Mercurial > octave
annotate libinterp/dldfcn/__magick_read__.cc @ 16989:7a69ab84b8c9
__magick_write__: confirm file exists before reading to append.
* __magick_read__.cc (__magick_write__): when WriteMode is set to
append, file needs to be read first. If file does not exist, act
normally. Confirm existence to file and skip reading if false.
author | Carnë Draug <carandraug@octave.org> |
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date | Tue, 16 Jul 2013 19:39:22 +0100 |
parents | 54b75bed4bc7 |
children | a1d091243d11 |
rev | line source |
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1 /* |
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2 |
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3 Copyright (C) 2013 Carnë Draug |
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4 Copyright (C) 2002-2012 Andy Adler |
7932 | 5 Copyright (C) 2008 Thomas L. Scofield |
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6 Copyright (C) 2010 David Grundberg |
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7 |
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8 This file is part of Octave. |
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9 |
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10 Octave is free software; you can redistribute it and/or modify it |
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11 under the terms of the GNU General Public License as published by the |
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12 Free Software Foundation; either version 3 of the License, or (at your |
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13 option) any later version. |
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14 |
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15 Octave is distributed in the hope that it will be useful, but WITHOUT |
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16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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18 for more details. |
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19 |
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20 You should have received a copy of the GNU General Public License |
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21 along with Octave; see the file COPYING. If not, see |
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22 <http://www.gnu.org/licenses/>. |
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23 |
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24 */ |
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25 |
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26 #ifdef HAVE_CONFIG_H |
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27 #include <config.h> |
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28 #endif |
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29 |
8054 | 30 #include <cmath> |
31 | |
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32 #include "file-stat.h" |
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33 #include "oct-env.h" |
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34 #include "oct-time.h" |
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35 |
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36 #include "defun-dld.h" |
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37 #include "error.h" |
8054 | 38 #include "ov-struct.h" |
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39 |
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40 #include "gripes.h" |
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41 |
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42 #ifdef HAVE_MAGICK |
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43 |
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44 #include <Magick++.h> |
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45 #include <clocale> |
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46 |
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47 octave_value_list |
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48 read_indexed_images (std::vector<Magick::Image>& imvec, |
8053 | 49 const Array<int>& frameidx, bool wantalpha) |
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50 { |
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51 octave_value_list output; |
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52 |
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53 const int rows = imvec[0].baseRows (); |
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54 const int columns = imvec[0].baseColumns (); |
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55 const int nframes = frameidx.length (); |
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56 |
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57 const dim_vector idim = dim_vector (rows, columns, 1, nframes); |
8054 | 58 |
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59 Array<int> idx (dim_vector (4, 1)); |
8054 | 60 |
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61 Magick::ImageType type = imvec[0].type (); |
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62 |
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63 unsigned int mapsize = imvec[0].colorMapSize (); |
8054 | 64 unsigned int i = mapsize; |
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65 unsigned int depth = 0; |
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66 while (i >>= 1) |
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67 depth++; |
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68 i = 0; |
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69 depth--; |
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70 while (depth >>= 1) |
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71 i++; |
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72 depth = 1 << i; |
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73 |
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74 switch (depth) |
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75 { |
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76 case 1: |
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77 case 2: |
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78 case 4: |
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79 case 8: |
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80 { |
8054 | 81 uint8NDArray im = uint8NDArray (idim); |
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82 |
8054 | 83 idx(2) = 0; |
8053 | 84 for (int frame = 0; frame < nframes; frame++) |
85 { | |
86 imvec[frameidx(frame)].getConstPixels (0, 0, columns, rows); | |
7933 | 87 |
8053 | 88 const Magick::IndexPacket *pix |
89 = imvec[frameidx(frame)].getConstIndexes (); | |
7933 | 90 |
8053 | 91 i = 0; |
8054 | 92 idx(3) = frame; |
7933 | 93 |
8053 | 94 for (int y = 0; y < rows; y++) |
8054 | 95 { |
96 idx(0) = y; | |
97 for (int x = 0; x < columns; x++) | |
98 { | |
99 idx(1) = x; | |
100 im(idx) = static_cast<octave_uint8> (pix[i++]); | |
101 } | |
102 } | |
8053 | 103 } |
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104 |
8053 | 105 output(0) = octave_value (im); |
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106 } |
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107 break; |
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108 |
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109 case 16: |
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110 { |
8054 | 111 uint16NDArray im = uint16NDArray (idim); |
7933 | 112 |
8054 | 113 idx(2) = 0; |
8053 | 114 for (int frame = 0; frame < nframes; frame++) |
115 { | |
116 imvec[frameidx(frame)].getConstPixels (0, 0, columns, rows); | |
7933 | 117 |
8053 | 118 const Magick::IndexPacket *pix |
119 = imvec[frameidx(frame)].getConstIndexes (); | |
7933 | 120 |
8053 | 121 i = 0; |
8054 | 122 idx(3) = frame; |
7933 | 123 |
8053 | 124 for (int y = 0; y < rows; y++) |
8054 | 125 { |
126 idx(0) = y; | |
127 for (int x = 0; x < columns; x++) | |
128 { | |
129 idx(1) = x; | |
130 im(idx) = static_cast<octave_uint16> (pix[i++]); | |
131 } | |
132 } | |
8053 | 133 } |
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134 |
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135 output(0) = octave_value (im); |
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136 } |
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137 break; |
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138 |
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139 default: |
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140 error ("__magic_read__: index depths greater than 16-bit are not supported"); |
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141 return octave_value_list (); |
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142 } |
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143 |
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144 Matrix map = Matrix (mapsize, 3); |
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145 Matrix alpha; |
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146 |
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147 switch (type) |
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148 { |
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149 case Magick::PaletteMatteType: |
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150 // warning ("palettematte"); |
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151 // Matrix map (mapsize, 3); |
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152 // Matrix alpha (mapsize, 1); |
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153 // for (i = 0; i < mapsize; i++) |
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154 // { |
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155 // warning ("%d", i); |
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156 // Magick::ColorRGB c = imvec[0].colorMap (i); |
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157 // map(i,0) = c.red (); |
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158 // map(i,1) = c.green (); |
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159 // map(i,2) = c.blue (); |
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160 // alpha(i,1) = c.alpha (); |
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161 // } |
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162 // break; |
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163 |
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164 case Magick::PaletteType: |
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165 alpha = Matrix (0, 0); |
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166 for (i = 0; i < mapsize; i++) |
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167 { |
8053 | 168 Magick::ColorRGB c = imvec[0].colorMap (i); |
169 map(i,0) = c.red (); | |
170 map(i,1) = c.green (); | |
171 map(i,2) = c.blue (); | |
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172 } |
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173 break; |
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174 |
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175 default: |
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176 error ("__magick_read__: unsupported indexed image type"); |
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177 return octave_value_list (); |
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178 } |
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179 |
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180 if (wantalpha) |
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181 output(2) = alpha; |
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182 |
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183 output(1) = map; |
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184 |
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185 return output; |
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186 } |
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187 |
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188 template <class T> |
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189 octave_value_list |
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190 read_images (const std::vector<Magick::Image>& imvec, |
8053 | 191 const Array<int>& frameidx, unsigned int depth) |
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192 { |
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193 typedef typename T::element_type P; |
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194 |
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195 octave_value_list retval (3, Matrix ()); |
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196 |
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197 T im; |
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198 |
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199 const int rows = imvec[0].baseRows (); |
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200 const int columns = imvec[0].baseColumns (); |
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201 const int nframes = frameidx.length (); |
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202 |
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203 dim_vector idim = dim_vector (rows, columns, 1, nframes); |
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204 |
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205 Magick::ImageType type = imvec[0].type (); |
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206 const int divisor = ((uint64_t (1) << QuantumDepth) - 1) / |
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207 ((uint64_t (1) << depth) - 1); |
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208 |
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209 switch (type) |
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210 { |
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211 case Magick::BilevelType: // Monochrome bi-level image |
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212 case Magick::GrayscaleType: // Grayscale image |
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213 { |
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214 im = T (idim); |
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215 P *vec = im.fortran_vec (); |
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216 |
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217 for (int frame = 0; frame < nframes; frame++) |
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218 { |
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219 const Magick::PixelPacket *pix |
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220 = imvec[frameidx(frame)].getConstPixels (0, 0, columns, rows); |
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221 |
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222 P *rbuf = vec; |
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223 for (int y = 0; y < rows; y++) |
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224 { |
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225 for (int x = 0; x < columns; x++) |
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226 { |
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227 *rbuf = pix->red / divisor; |
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228 pix++; |
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229 rbuf += rows; |
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230 } |
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231 rbuf -= rows * columns - 1; |
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232 } |
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233 |
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234 // Next frame. |
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235 vec += rows * columns * idim(2); |
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236 } |
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237 } |
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238 break; |
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239 |
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240 case Magick::GrayscaleMatteType: // Grayscale image with opacity |
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241 { |
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242 idim(2) = 2; |
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243 im = T (idim); |
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244 P *vec = im.fortran_vec (); |
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245 |
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246 for (int frame = 0; frame < nframes; frame++) |
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247 { |
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248 const Magick::PixelPacket *pix |
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249 = imvec[frameidx(frame)].getConstPixels (0, 0, columns, rows); |
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250 |
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251 P *rbuf = vec; |
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252 P *obuf = vec + rows * columns; |
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253 for (int y = 0; y < rows; y++) |
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254 { |
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255 for (int x = 0; x < columns; x++) |
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256 { |
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257 *rbuf = pix->red / divisor; |
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258 *obuf = pix->opacity / divisor; |
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259 pix++; |
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260 rbuf += rows; |
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261 obuf += rows; |
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262 } |
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263 rbuf -= rows * columns - 1; |
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264 obuf -= rows * columns - 1; |
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265 } |
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266 |
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267 // Next frame. |
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268 vec += rows * columns * idim(2); |
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269 } |
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270 } |
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271 break; |
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272 |
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273 case Magick::PaletteType: // Indexed color (palette) image |
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274 case Magick::TrueColorType: // Truecolor image |
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275 { |
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276 idim(2) = 3; |
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277 im = T (idim); |
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278 P *vec = im.fortran_vec (); |
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279 |
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280 for (int frame = 0; frame < nframes; frame++) |
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281 { |
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282 const Magick::PixelPacket *pix |
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283 = imvec[frameidx(frame)].getConstPixels (0, 0, columns, rows); |
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284 |
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285 P *rbuf = vec; |
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286 P *gbuf = vec + rows * columns; |
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287 P *bbuf = vec + rows * columns * 2; |
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288 for (int y = 0; y < rows; y++) |
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289 { |
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290 for (int x = 0; x < columns; x++) |
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291 { |
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292 *rbuf = pix->red / divisor; |
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293 *gbuf = pix->green / divisor; |
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294 *bbuf = pix->blue / divisor; |
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295 pix++; |
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296 rbuf += rows; |
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297 gbuf += rows; |
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298 bbuf += rows; |
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299 } |
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300 rbuf -= rows * columns - 1; |
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301 gbuf -= rows * columns - 1; |
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302 bbuf -= rows * columns - 1; |
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303 } |
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304 |
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305 // Next frame. |
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306 vec += rows * columns * idim(2); |
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307 } |
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308 } |
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309 break; |
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310 |
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311 case Magick::PaletteMatteType: // Indexed color (palette) image with opacity |
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312 case Magick::TrueColorMatteType: // Truecolor image with opacity |
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313 case Magick::ColorSeparationType: // Cyan/Yellow/Magenta/Black (CYMK) image |
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314 { |
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315 idim(2) = 4; |
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316 im = T (idim); |
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317 P *vec = im.fortran_vec (); |
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318 |
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319 for (int frame = 0; frame < nframes; frame++) |
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320 { |
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321 const Magick::PixelPacket *pix |
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322 = imvec[frameidx(frame)].getConstPixels (0, 0, columns, rows); |
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323 |
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324 P *rbuf = vec; |
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325 P *gbuf = vec + rows * columns; |
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326 P *bbuf = vec + rows * columns * 2; |
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327 P *obuf = vec + rows * columns * 3; |
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328 for (int y = 0; y < rows; y++) |
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329 { |
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330 for (int x = 0; x < columns; x++) |
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331 { |
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332 *rbuf = pix->red / divisor; |
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333 *gbuf = pix->green / divisor; |
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334 *bbuf = pix->blue / divisor; |
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335 *obuf = pix->opacity / divisor; |
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336 pix++; |
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337 rbuf += rows; |
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338 gbuf += rows; |
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339 bbuf += rows; |
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340 obuf += rows; |
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341 } |
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342 rbuf -= rows * columns - 1; |
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343 gbuf -= rows * columns - 1; |
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344 bbuf -= rows * columns - 1; |
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345 obuf -= rows * columns - 1; |
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346 } |
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347 |
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348 // Next frame. |
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349 vec += rows * columns * idim(2); |
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350 } |
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351 } |
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352 break; |
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353 |
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354 default: |
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355 error ("__magick_read__: undefined Magick++ image type"); |
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356 return retval; |
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357 } |
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358 |
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359 retval(0) = im; |
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360 |
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361 return retval; |
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362 } |
7974 | 363 |
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364 void static |
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365 read_file (const std::string filename, std::vector<Magick::Image>& imvec) |
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366 { |
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367 try |
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368 { |
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369 // Read a file into vector of image objects |
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370 Magick::readImages (&imvec, filename); |
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371 } |
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372 catch (Magick::Warning& w) |
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373 { |
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374 warning ("Magick++ warning: %s", w.what ()); |
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375 } |
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376 catch (Magick::ErrorCoder& e) |
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377 { |
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378 // FIXME: there's a WarningCoder and ErrorCoder. Shouldn't this |
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379 // exception cause an error? |
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380 warning ("Magick++ coder error: %s", e.what ()); |
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381 } |
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382 catch (Magick::Exception& e) |
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383 { |
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384 error ("Magick++ exception: %s", e.what ()); |
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385 error_state = 1; |
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386 } |
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387 } |
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388 |
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389 |
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390 static void |
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391 maybe_initialize_magick (void) |
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392 { |
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393 static bool initialized = false; |
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394 |
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395 if (! initialized) |
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396 { |
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397 // Save locale as GraphicsMagick might change this (fixed in |
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|
398 // GraphicsMagick since version 1.3.13 released on December 24, 2011) |
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parents:
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|
399 const char *static_locale = setlocale (LC_ALL, NULL); |
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|
400 const std::string locale (static_locale); |
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|
401 |
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changeset
|
402 const std::string program_name = octave_env::get_program_invocation_name (); |
10390
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__magick_read__ (F__magick_read__): call Magick::InitializeMagick
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parents:
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changeset
|
403 |
ad0b54ae206a
__magick_read__ (F__magick_read__): call Magick::InitializeMagick
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diff
changeset
|
404 Magick::InitializeMagick (program_name.c_str ()); |
ad0b54ae206a
__magick_read__ (F__magick_read__): call Magick::InitializeMagick
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parents:
10350
diff
changeset
|
405 |
10739
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src/DLD_FUNCTIONS/__magick_read__.cc: restore locale after GraphicsMagick initialisation
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changeset
|
406 // Restore locale from before GraphicsMagick initialisation |
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changeset
|
407 setlocale (LC_ALL, locale.c_str ()); |
d27bd2f74137
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parents:
10390
diff
changeset
|
408 |
11036
169f59f626d3
Add check for QuantumDepth at initialization of *Magick and an associated warning
John Swensen <jpswensen@gmail.com>
parents:
11035
diff
changeset
|
409 if (QuantumDepth < 32) |
169f59f626d3
Add check for QuantumDepth at initialization of *Magick and an associated warning
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parents:
11035
diff
changeset
|
410 warning ("your version of %s limits images to %d bits per pixel", |
169f59f626d3
Add check for QuantumDepth at initialization of *Magick and an associated warning
John Swensen <jpswensen@gmail.com>
parents:
11035
diff
changeset
|
411 MagickPackageName, QuantumDepth); |
169f59f626d3
Add check for QuantumDepth at initialization of *Magick and an associated warning
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parents:
11035
diff
changeset
|
412 |
10390
ad0b54ae206a
__magick_read__ (F__magick_read__): call Magick::InitializeMagick
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parents:
10350
diff
changeset
|
413 initialized = true; |
ad0b54ae206a
__magick_read__ (F__magick_read__): call Magick::InitializeMagick
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parents:
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|
414 } |
16983
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Make use of gripe_disabled_feature() for image IO functions.
Carnë Draug <carandraug+dev@gmail.com>
parents:
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diff
changeset
|
415 } |
10947
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initialize GraphicsMagick in all __magick_* functions
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parents:
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|
416 #endif |
dc74ce93cfc4
initialize GraphicsMagick in all __magick_* functions
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parents:
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changeset
|
417 |
dc74ce93cfc4
initialize GraphicsMagick in all __magick_* functions
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changeset
|
418 DEFUN_DLD (__magick_read__, args, nargout, |
dc74ce93cfc4
initialize GraphicsMagick in all __magick_* functions
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changeset
|
419 "-*- texinfo -*-\n\ |
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420 @deftypefn {Loadable Function} {[@var{img}, @var{map}, @var{alpha}] =} __magick_read__ (@var{fname}, @var{options})\n\ |
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parents:
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421 Read image with GraphicsMagick or ImageMagick.\n\ |
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parents:
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422 \n\ |
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imread: implement options Index, Frames, and Info.
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423 This is a private internal function not intended for direct use. Instead\n\ |
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424 use @code{imread}.\n\ |
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425 \n\ |
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426 @seealso{imfinfo, imformats, imread, imwrite}\n\ |
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initialize GraphicsMagick in all __magick_* functions
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changeset
|
427 @end deftypefn") |
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initialize GraphicsMagick in all __magick_* functions
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changeset
|
428 { |
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initialize GraphicsMagick in all __magick_* functions
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parents:
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diff
changeset
|
429 octave_value_list output; |
dc74ce93cfc4
initialize GraphicsMagick in all __magick_* functions
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parents:
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changeset
|
430 |
16983
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Make use of gripe_disabled_feature() for image IO functions.
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diff
changeset
|
431 #ifndef HAVE_MAGICK |
4660d047955e
Make use of gripe_disabled_feature() for image IO functions.
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|
432 gripe_disabled_feature ("imread", "Image IO"); |
4660d047955e
Make use of gripe_disabled_feature() for image IO functions.
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parents:
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diff
changeset
|
433 #else |
10947
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diff
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|
434 |
dc74ce93cfc4
initialize GraphicsMagick in all __magick_* functions
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parents:
10840
diff
changeset
|
435 maybe_initialize_magick (); |
10390
ad0b54ae206a
__magick_read__ (F__magick_read__): call Magick::InitializeMagick
John W. Eaton <jwe@octave.org>
parents:
10350
diff
changeset
|
436 |
16984
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imread: implement options Index, Frames, and Info.
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parents:
16983
diff
changeset
|
437 if (args.length () != 2 || ! args(0).is_string ()) |
7925
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Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff
changeset
|
438 { |
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Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff
changeset
|
439 print_usage (); |
7926
d74f996e005d
__magick_read__.cc: configuration and style fixes
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parents:
7925
diff
changeset
|
440 return output; |
7925
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Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff
changeset
|
441 } |
7926
d74f996e005d
__magick_read__.cc: configuration and style fixes
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parents:
7925
diff
changeset
|
442 |
16988
54b75bed4bc7
imwrite: implement WriteMode option.
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parents:
16984
diff
changeset
|
443 const octave_map options = args(1).map_value (); |
16984
997efb8d0b19
imread: implement options Index, Frames, and Info.
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parents:
16983
diff
changeset
|
444 if (error_state) |
10778
6035bf68a755
Support imread('file', 'frames', 'all') (Feature Request #30365)
David Bateman <dbateman@free.fr>
parents:
10739
diff
changeset
|
445 { |
16984
997efb8d0b19
imread: implement options Index, Frames, and Info.
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parents:
16983
diff
changeset
|
446 error ("__magick_read__: OPTIONS must be a struct"); |
7925
9316b59903c9
Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff
changeset
|
447 } |
9316b59903c9
Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff
changeset
|
448 |
7926
d74f996e005d
__magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents:
7925
diff
changeset
|
449 std::vector<Magick::Image> imvec; |
16988
54b75bed4bc7
imwrite: implement WriteMode option.
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parents:
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diff
changeset
|
450 read_file (args(0).string_value (), imvec); |
54b75bed4bc7
imwrite: implement WriteMode option.
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parents:
16984
diff
changeset
|
451 if (error_state) |
7926
d74f996e005d
__magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents:
7925
diff
changeset
|
452 { |
d74f996e005d
__magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents:
7925
diff
changeset
|
453 return output; |
7925
9316b59903c9
Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff
changeset
|
454 } |
9316b59903c9
Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff
changeset
|
455 |
16984
997efb8d0b19
imread: implement options Index, Frames, and Info.
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parents:
16983
diff
changeset
|
456 const int nframes = imvec.size (); |
997efb8d0b19
imread: implement options Index, Frames, and Info.
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parents:
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diff
changeset
|
457 Array<int> frameidx; |
997efb8d0b19
imread: implement options Index, Frames, and Info.
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parents:
16983
diff
changeset
|
458 |
16988
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents:
16984
diff
changeset
|
459 const octave_value indexes = options.getfield ("index")(0); |
16984
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
460 if (indexes.is_string () && indexes.string_value () == "all") |
7925
9316b59903c9
Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff
changeset
|
461 { |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
462 frameidx = Array<int> (dim_vector (1, nframes)); |
16984
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
463 for (int i = 0; i < nframes; i++) |
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
464 { |
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
465 frameidx(i) = i; |
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
466 } |
10778
6035bf68a755
Support imread('file', 'frames', 'all') (Feature Request #30365)
David Bateman <dbateman@free.fr>
parents:
10739
diff
changeset
|
467 } |
6035bf68a755
Support imread('file', 'frames', 'all') (Feature Request #30365)
David Bateman <dbateman@free.fr>
parents:
10739
diff
changeset
|
468 else |
6035bf68a755
Support imread('file', 'frames', 'all') (Feature Request #30365)
David Bateman <dbateman@free.fr>
parents:
10739
diff
changeset
|
469 { |
16984
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
470 frameidx = indexes.int_vector_value (); |
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
471 if (error_state) |
10778
6035bf68a755
Support imread('file', 'frames', 'all') (Feature Request #30365)
David Bateman <dbateman@free.fr>
parents:
10739
diff
changeset
|
472 { |
16984
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
473 error ("__magick_read__: invalid value for Index/Frame"); |
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
474 } |
16989
7a69ab84b8c9
__magick_write__: confirm file exists before reading to append.
Carnë Draug <carandraug@octave.org>
parents:
16988
diff
changeset
|
475 // Fix indexes from base 1 to base 0, and at the same time, make |
16984
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
476 // sure none of the indexes is outside the range of image number. |
16988
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents:
16984
diff
changeset
|
477 const int n = frameidx.nelem (); |
16984
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
478 for (int i = 0; i < n; i++) |
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
479 { |
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
480 frameidx(i)--; |
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
481 if (frameidx(i) < 0 || frameidx(i) > nframes - 1) |
10778
6035bf68a755
Support imread('file', 'frames', 'all') (Feature Request #30365)
David Bateman <dbateman@free.fr>
parents:
10739
diff
changeset
|
482 { |
16984
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
483 error ("imread: index/frames specified are outside the number of images"); |
10778
6035bf68a755
Support imread('file', 'frames', 'all') (Feature Request #30365)
David Bateman <dbateman@free.fr>
parents:
10739
diff
changeset
|
484 return output; |
6035bf68a755
Support imread('file', 'frames', 'all') (Feature Request #30365)
David Bateman <dbateman@free.fr>
parents:
10739
diff
changeset
|
485 } |
8053 | 486 } |
7925
9316b59903c9
Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff
changeset
|
487 } |
7926
d74f996e005d
__magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents:
7925
diff
changeset
|
488 |
16988
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents:
16984
diff
changeset
|
489 const Magick::ClassType klass = imvec[0].classType (); |
7926
d74f996e005d
__magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents:
7925
diff
changeset
|
490 |
16984
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
491 // PseudoClass: |
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
492 // Image is composed of pixels which specify an index in a color palette. |
7926
d74f996e005d
__magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents:
7925
diff
changeset
|
493 if (klass == Magick::PseudoClass && nargout > 1) |
16984
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
494 { |
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
495 output = read_indexed_images (imvec, frameidx, (nargout == 3)); |
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
496 } |
997efb8d0b19
imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
497 // If not PseudoClass then it must be DirectClass: Image is composed of |
997efb8d0b19
imread: implement options Index, Frames, and Info.
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parents:
16983
diff
changeset
|
498 // pixels which represent literal color values. |
7925
9316b59903c9
Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff
changeset
|
499 else |
9316b59903c9
Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff
changeset
|
500 { |
7926
d74f996e005d
__magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents:
7925
diff
changeset
|
501 unsigned int depth = imvec[0].modulusDepth (); |
9439
0a696f8aa434
determine correct image bitwidth in __magick_read__.cc
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
9436
diff
changeset
|
502 if (depth > 1) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10100
diff
changeset
|
503 { |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10100
diff
changeset
|
504 --depth; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10100
diff
changeset
|
505 int i = 1; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10100
diff
changeset
|
506 while (depth >>= 1) |
9439
0a696f8aa434
determine correct image bitwidth in __magick_read__.cc
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
9436
diff
changeset
|
507 i++; |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10100
diff
changeset
|
508 depth = 1 << i; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10100
diff
changeset
|
509 } |
11586
12df7854fa7c
strip trailing whitespace from source files
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|
510 |
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diff
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|
511 switch (depth) |
8053 | 512 { |
513 case 1: | |
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diff
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|
514 output = read_images<boolNDArray> (imvec, frameidx, depth); |
8053 | 515 break; |
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|
516 |
8053 | 517 case 2: |
518 case 4: | |
519 case 8: | |
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|
520 output = read_images<uint8NDArray> (imvec, frameidx, depth) ; |
8053 | 521 break; |
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|
522 |
8053 | 523 case 16: |
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diff
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|
524 output = read_images<uint16NDArray> (imvec, frameidx, depth); |
8053 | 525 break; |
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__magick_read__.cc: configuration and style fixes
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|
526 |
8053 | 527 case 32: |
528 case 64: | |
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9316b59903c9
Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
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changeset
|
529 default: |
11553
01f703952eff
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Rik <octave@nomad.inbox5.com>
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11523
diff
changeset
|
530 error ("__magick_read__: image depths greater than 16-bit are not supported"); |
8053 | 531 } |
7925
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Thomas L. Scofield <scofield AT calvin DOT edu>
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|
532 } |
7937
6661387827d6
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7933
diff
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|
533 |
6661387827d6
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diff
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|
534 #endif |
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Thomas L. Scofield <scofield AT calvin DOT edu>
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|
535 return output; |
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|
536 } |
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|
537 |
12805
3641167e5b75
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|
538 /* |
3641167e5b75
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|
539 ## No test needed for internal helper function. |
3641167e5b75
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diff
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|
540 %!assert (1) |
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|
541 */ |
3641167e5b75
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11590
diff
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|
542 |
7974 | 543 #ifdef HAVE_MAGICK |
544 | |
8054 | 545 static void |
546 encode_bool_image (std::vector<Magick::Image>& imvec, const octave_value& img) | |
7974 | 547 { |
8054 | 548 unsigned int nframes = 1; |
549 boolNDArray m = img.bool_array_value (); | |
550 | |
551 dim_vector dsizes = m.dims (); | |
552 if (dsizes.length () == 4) | |
553 nframes = dsizes(3); | |
554 | |
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diff
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|
555 Array<octave_idx_type> idx (dim_vector (dsizes.length (), 1)); |
8054 | 556 |
557 octave_idx_type rows = m.rows (); | |
558 octave_idx_type columns = m.columns (); | |
559 | |
560 for (unsigned int ii = 0; ii < nframes; ii++) | |
561 { | |
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5ae9f0f77635
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diff
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|
562 Magick::Image im (Magick::Geometry (columns, rows), "black"); |
8054 | 563 im.classType (Magick::DirectClass); |
564 im.depth (1); | |
565 | |
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__magick_read__.cc: style fixes
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|
566 for (int y = 0; y < columns; y++) |
8054 | 567 { |
568 idx(1) = y; | |
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|
569 |
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|
570 for (int x = 0; x < rows; x++) |
8054 | 571 { |
572 if (nframes > 1) | |
573 { | |
574 idx(2) = 0; | |
575 idx(3) = ii; | |
576 } | |
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__magick_read__.cc: style fixes
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|
577 |
8054 | 578 idx(0) = x; |
10979
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diff
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|
579 |
8054 | 580 if (m(idx)) |
581 im.pixelColor (y, x, "white"); | |
582 } | |
583 } | |
10979
7f49dc864f32
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|
584 |
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|
585 im.quantizeColorSpace (Magick::GRAYColorspace); |
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diff
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|
586 im.quantizeColors (2); |
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diff
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|
587 im.quantize (); |
6589aaf769f6
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10988
diff
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|
588 |
8054 | 589 imvec.push_back (im); |
590 } | |
591 } | |
592 | |
593 template <class T> | |
594 static void | |
595 encode_uint_image (std::vector<Magick::Image>& imvec, | |
596 const octave_value& img, | |
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diff
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|
597 const bool has_map) |
8054 | 598 { |
8520
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__magick_read__.cc (encode_uint_image): initialize bitdepth
Soren Hauberg <hauberg@gmail.com>
parents:
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diff
changeset
|
599 unsigned int bitdepth = 0; |
8054 | 600 T m; |
601 | |
602 if (img.is_uint8_type ()) | |
603 { | |
604 bitdepth = 8; | |
605 m = img.uint8_array_value (); | |
606 } | |
607 else if (img.is_uint16_type ()) | |
608 { | |
609 bitdepth = 16; | |
610 m = img.uint16_array_value (); | |
611 } | |
612 else | |
613 error ("__magick_write__: invalid image class"); | |
614 | |
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54b75bed4bc7
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diff
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|
615 const dim_vector dsizes = m.dims (); |
8054 | 616 unsigned int nframes = 1; |
617 if (dsizes.length () == 4) | |
618 nframes = dsizes(3); | |
10979
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|
619 |
16988
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|
620 const bool is_color = ((dsizes.length () > 2) && (dsizes(2) > 2)); |
54b75bed4bc7
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|
621 const bool has_alpha = (dsizes.length () > 2 && (dsizes(2) == 2 || dsizes(2) == 4)); |
8054 | 622 |
11570
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attempt better backward compatibility for Array constructors
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parents:
11553
diff
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|
623 Array<octave_idx_type> idx (dim_vector (dsizes.length (), 1)); |
8054 | 624 octave_idx_type rows = m.rows (); |
625 octave_idx_type columns = m.columns (); | |
8090 | 626 |
13020
58d704d3283c
Fix ambigous call to int pow (int, unsigned int&)
Carlo de Falco <kingcrimson@tiscali.it>
parents:
11590
diff
changeset
|
627 unsigned int div_factor = (1 << bitdepth) - 1; |
8054 | 628 |
629 for (unsigned int ii = 0; ii < nframes; ii++) | |
630 { | |
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diff
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|
631 Magick::Image im (Magick::Geometry (columns, rows), "black"); |
7f49dc864f32
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diff
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|
632 |
8054 | 633 im.depth (bitdepth); |
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|
634 |
8054 | 635 if (has_map) |
636 im.classType (Magick::PseudoClass); | |
637 else | |
638 im.classType (Magick::DirectClass); | |
639 | |
640 if (is_color) | |
641 { | |
642 if (has_alpha) | |
643 im.type (Magick::TrueColorMatteType); | |
644 else | |
645 im.type (Magick::TrueColorType); | |
7974 | 646 |
8054 | 647 Magick::ColorRGB c; |
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7f49dc864f32
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diff
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|
648 |
7f49dc864f32
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diff
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|
649 for (int y = 0; y < columns; y++) |
8054 | 650 { |
651 idx(1) = y; | |
10979
7f49dc864f32
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diff
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|
652 |
7f49dc864f32
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diff
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|
653 for (int x = 0; x < rows; x++) |
8054 | 654 { |
655 idx(0) = x; | |
10979
7f49dc864f32
__magick_read__.cc: style fixes
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parents:
10978
diff
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|
656 |
8054 | 657 if (nframes > 1) |
658 idx(3) = ii; | |
659 | |
660 idx(2) = 0; | |
661 c.red (static_cast<double>(m(idx)) / div_factor); | |
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7f49dc864f32
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John W. Eaton <jwe@octave.org>
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10978
diff
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|
662 |
8054 | 663 idx(2) = 1; |
664 c.green (static_cast<double>(m(idx)) / div_factor); | |
10979
7f49dc864f32
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10978
diff
changeset
|
665 |
8054 | 666 idx(2) = 2; |
667 c.blue (static_cast<double>(m(idx)) / div_factor); | |
668 | |
669 if (has_alpha) | |
670 { | |
671 idx(2) = 3; | |
672 c.alpha (static_cast<double>(m(idx)) / div_factor); | |
673 } | |
10979
7f49dc864f32
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John W. Eaton <jwe@octave.org>
parents:
10978
diff
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|
674 |
8054 | 675 im.pixelColor (y, x, c); |
676 } | |
677 } | |
678 } | |
679 else | |
680 { | |
681 if (has_alpha) | |
682 im.type (Magick::GrayscaleMatteType); | |
683 else | |
684 im.type (Magick::GrayscaleType); | |
685 | |
686 Magick::ColorGray c; | |
687 | |
10979
7f49dc864f32
__magick_read__.cc: style fixes
John W. Eaton <jwe@octave.org>
parents:
10978
diff
changeset
|
688 for (int y = 0; y < columns; y++) |
8054 | 689 { |
690 idx(1) = y; | |
10979
7f49dc864f32
__magick_read__.cc: style fixes
John W. Eaton <jwe@octave.org>
parents:
10978
diff
changeset
|
691 |
8054 | 692 for (int x=0; x < rows; x++) |
693 { | |
694 idx(0) = x; | |
10979
7f49dc864f32
__magick_read__.cc: style fixes
John W. Eaton <jwe@octave.org>
parents:
10978
diff
changeset
|
695 |
8054 | 696 if (nframes > 1) |
697 { | |
698 idx(2) = 0; | |
699 idx(3) = ii; | |
700 } | |
10979
7f49dc864f32
__magick_read__.cc: style fixes
John W. Eaton <jwe@octave.org>
parents:
10978
diff
changeset
|
701 |
8054 | 702 if (has_alpha) |
703 { | |
704 idx(2) = 1; | |
705 c.alpha (static_cast<double>(m(idx)) / div_factor); | |
706 idx(2) = 0; | |
707 } | |
708 | |
709 c.shade (static_cast<double>(m(idx)) / div_factor); | |
10979
7f49dc864f32
__magick_read__.cc: style fixes
John W. Eaton <jwe@octave.org>
parents:
10978
diff
changeset
|
710 |
8054 | 711 im.pixelColor (y, x, c); |
712 } | |
713 } | |
11034
6589aaf769f6
Correctly handle logical and integer bit depths
John Swensen <jpswensen@gmail.com>
parents:
10988
diff
changeset
|
714 |
6589aaf769f6
Correctly handle logical and integer bit depths
John Swensen <jpswensen@gmail.com>
parents:
10988
diff
changeset
|
715 im.quantizeColorSpace (Magick::GRAYColorspace); |
13020
58d704d3283c
Fix ambigous call to int pow (int, unsigned int&)
Carlo de Falco <kingcrimson@tiscali.it>
parents:
11590
diff
changeset
|
716 im.quantizeColors (1 << bitdepth); |
11034
6589aaf769f6
Correctly handle logical and integer bit depths
John Swensen <jpswensen@gmail.com>
parents:
10988
diff
changeset
|
717 im.quantize (); |
8054 | 718 } |
10979
7f49dc864f32
__magick_read__.cc: style fixes
John W. Eaton <jwe@octave.org>
parents:
10978
diff
changeset
|
719 |
8054 | 720 imvec.push_back (im); |
721 } | |
722 } | |
723 | |
16988
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents:
16984
diff
changeset
|
724 // FIXME: this will be needed to write indexed images |
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents:
16984
diff
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|
725 //static void |
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents:
16984
diff
changeset
|
726 //encode_map (std::vector<Magick::Image>& imvec, const NDArray& cmap) |
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents:
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diff
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|
727 //{ |
54b75bed4bc7
imwrite: implement WriteMode option.
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parents:
16984
diff
changeset
|
728 // unsigned int mapsize = cmap.dim1 (); |
8054 | 729 |
16988
54b75bed4bc7
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parents:
16984
diff
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|
730 // for (size_t fnum = 0; fnum < imvec.size (); fnum++) |
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents:
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diff
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|
731 // { |
54b75bed4bc7
imwrite: implement WriteMode option.
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parents:
16984
diff
changeset
|
732 // imvec[fnum].colorMapSize (mapsize); |
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents:
16984
diff
changeset
|
733 // imvec[fnum].type (Magick::PaletteType); |
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents:
16984
diff
changeset
|
734 // } |
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents:
16984
diff
changeset
|
735 |
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents:
16984
diff
changeset
|
736 // for (unsigned int ii = 0; ii < mapsize; ii++) |
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents:
16984
diff
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|
737 // { |
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
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diff
changeset
|
738 // Magick::ColorRGB c (cmap(ii,0), cmap(ii,1), cmap(ii,2)); |
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents:
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diff
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|
739 |
54b75bed4bc7
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Carnë Draug <carandraug@octave.org>
parents:
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diff
changeset
|
740 // // FIXME -- is this case needed? |
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents:
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changeset
|
741 // if (cmap.dim2 () == 4) |
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents:
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diff
changeset
|
742 // c.alpha (cmap(ii,3)); |
8054 | 743 |
16988
54b75bed4bc7
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Carnë Draug <carandraug@octave.org>
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diff
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|
744 // try |
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents:
16984
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|
745 // { |
54b75bed4bc7
imwrite: implement WriteMode option.
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parents:
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diff
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|
746 // for_each (imvec.begin (), imvec.end (), |
54b75bed4bc7
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Carnë Draug <carandraug@octave.org>
parents:
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diff
changeset
|
747 // Magick::colorMapImage (ii, c)); |
54b75bed4bc7
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Carnë Draug <carandraug@octave.org>
parents:
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diff
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|
748 // } |
54b75bed4bc7
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Carnë Draug <carandraug@octave.org>
parents:
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diff
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|
749 // catch (Magick::Warning& w) |
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
parents:
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|
750 // { |
54b75bed4bc7
imwrite: implement WriteMode option.
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parents:
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|
751 // warning ("Magick++ warning: %s", w.what ()); |
54b75bed4bc7
imwrite: implement WriteMode option.
Carnë Draug <carandraug@octave.org>
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diff
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|
752 // } |
54b75bed4bc7
imwrite: implement WriteMode option.
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parents:
16984
diff
changeset
|
753 // catch (Magick::ErrorCoder& e) |
54b75bed4bc7
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Carnë Draug <carandraug@octave.org>
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diff
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|
754 // { |
54b75bed4bc7
imwrite: implement WriteMode option.
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16984
diff
changeset
|
755 // warning ("Magick++ coder error: %s", e.what ()); |
54b75bed4bc7
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Carnë Draug <carandraug@octave.org>
parents:
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diff
changeset
|
756 // } |
54b75bed4bc7
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757 // catch (Magick::Exception& e) |
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758 // { |
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759 // error ("Magick++ exception: %s", e.what ()); |
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760 // } |
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761 // } |
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762 //} |
9275
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763 |
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764 void static |
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765 write_file (const std::string filename, |
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766 const std::string ext, |
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767 std::vector<Magick::Image>& imvec) |
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768 { |
7974 | 769 try |
770 { | |
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771 Magick::writeImages (imvec.begin (), imvec.end (), ext + ":" + filename); |
7974 | 772 } |
773 catch (Magick::Warning& w) | |
774 { | |
775 warning ("Magick++ warning: %s", w.what ()); | |
776 } | |
777 catch (Magick::ErrorCoder& e) | |
778 { | |
779 warning ("Magick++ coder error: %s", e.what ()); | |
780 } | |
781 catch (Magick::Exception& e) | |
782 { | |
783 error ("Magick++ exception: %s", e.what ()); | |
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784 error_state = 1; |
7974 | 785 } |
786 } | |
787 | |
788 #endif | |
789 | |
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790 DEFUN_DLD (__magick_write__, args, , |
7974 | 791 "-*- texinfo -*-\n\ |
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792 @deftypefn {Loadable Function} {} __magick_write__ (@var{fname}, @var{fmt}, @var{img}, @var{map}, @var{options})\n\ |
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793 Write image with GraphicsMagick or ImageMagick.\n\ |
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794 \n\ |
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795 This is a private internal function not intended for direct use. Instead\n\ |
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796 use @code{imwrite}.\n\ |
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797 \n\ |
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798 @seealso{imfinfo, imformats, imread, imwrite}\n\ |
7974 | 799 @end deftypefn") |
800 { | |
801 octave_value_list retval; | |
802 | |
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803 #ifndef HAVE_MAGICK |
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804 gripe_disabled_feature ("imwrite", "Image IO"); |
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805 #else |
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806 |
10947
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807 maybe_initialize_magick (); |
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808 |
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809 if (args.length () != 5 || ! args(0).is_string () || ! args(1).is_string ()) |
7974 | 810 { |
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811 print_usage (); |
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812 return retval; |
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813 } |
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814 const std::string filename = args(0).string_value (); |
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815 const std::string ext = args(1).string_value (); |
7974 | 816 |
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817 const octave_map options = args(4).map_value (); |
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818 if (error_state) |
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819 { |
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820 error ("__magick_write__: OPTIONS must be a struct"); |
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821 } |
7974 | 822 |
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823 const octave_value img = args(2); |
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824 const Matrix cmap = args(3).matrix_value (); |
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825 if (error_state) |
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826 { |
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827 error ("__magick_write__: invalid IMG or MAP"); |
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828 } |
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829 const bool is_indexed = ! cmap.is_empty (); |
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830 |
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831 // Create vector with the images to write |
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832 std::vector<Magick::Image> imvec; |
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833 if (img.is_bool_type ()) |
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834 { |
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835 encode_bool_image (imvec, img); |
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836 } |
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837 else if (img.is_uint8_type ()) |
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|
838 { |
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839 encode_uint_image<uint8NDArray> (imvec, img, is_indexed); |
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840 } |
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841 else if (img.is_uint16_type ()) |
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842 { |
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843 encode_uint_image<uint16NDArray> (imvec, img, is_indexed); |
7974 | 844 } |
845 else | |
16988
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846 { |
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847 error ("__magick_write__: image type not supported"); |
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848 return retval; |
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849 } |
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850 const int nframes = imvec.size (); |
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|
851 |
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852 // Add colormap to image |
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853 if (is_indexed) |
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|
854 { |
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855 // FIXME: this should be implemented. At the moment, imwrite is doing the |
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856 // conversion in case of indexed images. |
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857 error ("__magick_write__: direct saving of indexed images not currently supported; use ind2rgb and save converted image"); |
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858 // encode_map (imvec, cmap); |
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859 return retval; |
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|
860 } |
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|
861 |
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862 // Set quality. |
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863 // FIXME What happens when we try to set with formats that do not support it? |
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864 const unsigned int quality = options.getfield ("quality")(0).int_value (); |
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865 for (int i = 0; i < nframes; i++) |
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|
866 { |
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867 imvec[i].quality (quality); |
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868 } |
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869 |
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870 // Finally, save the file. |
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871 // If writemode is set to append, read the image first, append to it, |
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872 // and then save it. But even if set to append, make sure anything was |
54b75bed4bc7
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873 // read at all. |
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874 const std::string writemode = options.getfield ("writemode")(0).string_value (); |
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875 std::vector<Magick::Image> ini_imvec; |
16989
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876 if (writemode == "append" && file_stat (filename).exists ()) |
16988
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|
877 { |
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878 read_file (filename, ini_imvec); |
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|
879 if (error_state) |
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|
880 { |
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881 return retval; |
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882 } |
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883 } |
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884 |
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885 if (ini_imvec.size () > 0) |
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886 { |
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887 ini_imvec.insert (ini_imvec.end (), imvec.begin (), imvec.end ()); |
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888 write_file (filename, ext, ini_imvec); |
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diff
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|
889 if (error_state) |
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890 { |
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891 return retval; |
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892 } |
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893 } |
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894 else |
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895 { |
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896 write_file (filename, ext, imvec); |
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|
897 if (error_state) |
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898 { |
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899 return retval; |
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900 } |
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|
901 } |
7974 | 902 |
903 #endif | |
16983
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904 return retval; |
7974 | 905 } |
906 | |
12805
3641167e5b75
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|
907 /* |
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|
908 ## No test needed for internal helper function. |
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|
909 %!assert (1) |
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|
910 */ |
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|
911 |
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912 #ifdef HAVE_MAGICK |
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|
913 |
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|
914 template<class T> |
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|
915 static octave_value |
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|
916 magick_to_octave_value (const T magick) |
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|
917 { |
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|
918 return octave_value (magick); |
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|
919 } |
01fac748b680
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|
920 |
01fac748b680
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|
921 static octave_value |
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|
922 magick_to_octave_value (const Magick::EndianType magick) |
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|
923 { |
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|
924 switch (magick) |
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|
925 { |
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|
926 case Magick::LSBEndian: |
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|
927 return octave_value ("little-endian"); |
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|
928 |
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|
929 case Magick::MSBEndian: |
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|
930 return octave_value ("big-endian"); |
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|
931 |
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|
932 default: |
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|
933 return octave_value ("undefined"); |
01fac748b680
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|
934 } |
01fac748b680
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|
935 } |
01fac748b680
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|
936 |
01fac748b680
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|
937 static octave_value |
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|
938 magick_to_octave_value (const Magick::ResolutionType magick) |
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|
939 { |
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|
940 switch (magick) |
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|
941 { |
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|
942 case Magick::PixelsPerInchResolution: |
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943 return octave_value ("pixels per inch"); |
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|
944 |
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|
945 case Magick::PixelsPerCentimeterResolution: |
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946 return octave_value ("pixels per centimeter"); |
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|
947 |
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|
948 default: |
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|
949 return octave_value ("undefined"); |
01fac748b680
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|
950 } |
01fac748b680
Add the 'imfinfo' function for reading image file information.
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|
951 } |
01fac748b680
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|
952 |
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|
953 static octave_value |
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|
954 magick_to_octave_value (const Magick::ImageType magick) |
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|
955 { |
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|
956 switch (magick) |
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|
957 { |
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|
958 case Magick::BilevelType: |
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|
959 case Magick::GrayscaleType: |
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|
960 case Magick::GrayscaleMatteType: |
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|
961 return octave_value ("grayscale"); |
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|
962 |
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|
963 case Magick::PaletteType: |
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|
964 case Magick::PaletteMatteType: |
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|
965 return octave_value ("indexed"); |
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|
966 |
01fac748b680
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|
967 case Magick::TrueColorType: |
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|
968 case Magick::TrueColorMatteType: |
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|
969 case Magick::ColorSeparationType: |
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|
970 return octave_value ("truecolor"); |
01fac748b680
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|
971 |
01fac748b680
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|
972 default: |
01fac748b680
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|
973 return octave_value ("undefined"); |
01fac748b680
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|
974 } |
01fac748b680
Add the 'imfinfo' function for reading image file information.
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|
975 } |
01fac748b680
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|
976 |
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|
977 // We put this in a try-block because GraphicsMagick will throw |
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978 // exceptions if a parameter isn't present in the current image. |
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979 #define GET_PARAM(NAME, OUTNAME) \ |
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980 try \ |
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981 { \ |
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982 info.contents (OUTNAME)(frame,0) = magick_to_octave_value (im.NAME ()); \ |
8144
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|
983 } \ |
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|
984 catch (Magick::Warning& w) \ |
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|
985 { \ |
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|
986 } |
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|
987 |
8165
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988 #endif |
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|
989 |
9436
5302df15ad76
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diff
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|
990 DEFUN_DLD (__magick_finfo__, args, , |
8144
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991 "-*- texinfo -*-\n\ |
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992 @deftypefn {Loadable Function} {} __magick_finfo__ (@var{fname})\n\ |
16984
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|
993 Read image information with GraphicsMagick or ImageMagick.\n\ |
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994 \n\ |
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995 This is a private internal function not intended for direct use. Instead\n\ |
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|
996 use @code{imfinfo}.\n\ |
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|
997 \n\ |
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|
998 @seealso{imfinfo, imformats, imread, imwrite}\n\ |
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999 @end deftypefn") |
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1000 { |
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1001 octave_value retval; |
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1002 |
16983
4660d047955e
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changeset
|
1003 #ifndef HAVE_MAGICK |
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1004 gripe_disabled_feature ("imfinfo", "Image IO"); |
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1005 #else |
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1006 |
10947
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1007 maybe_initialize_magick (); |
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1008 |
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1009 if (args.length () < 1 || ! args (0).is_string ()) |
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1010 { |
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1011 print_usage (); |
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1012 return retval; |
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1013 } |
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1014 |
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1015 const std::string filename = args (0).string_value (); |
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1016 |
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1017 try |
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1018 { |
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|
1019 // Read the file. |
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1020 std::vector<Magick::Image> imvec; |
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1021 Magick::readImages (&imvec, args(0).string_value ()); |
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1022 int nframes = imvec.size (); |
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1023 |
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|
1024 // Create the right size for the output. |
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1025 |
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1026 static const char *fields[] = |
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1027 { |
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1028 "Filename", |
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1029 "FileModDate", |
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1030 "FileSize", |
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|
1031 "Height", |
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|
1032 "Width", |
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diff
changeset
|
1033 "BitDepth", |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1034 "Format", |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
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diff
changeset
|
1035 "LongFormat", |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1036 "XResolution", |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
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diff
changeset
|
1037 "YResolution", |
0c42b6b7da24
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diff
changeset
|
1038 "TotalColors", |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1039 "TileName", |
0c42b6b7da24
imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1040 "AnimationDelay", |
0c42b6b7da24
imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1041 "AnimationIterations", |
0c42b6b7da24
imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1042 "ByteOrder", |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
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10298
diff
changeset
|
1043 "Gamma", |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1044 "Matte", |
0c42b6b7da24
imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1045 "ModulusDepth", |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1046 "Quality", |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1047 "QuantizeColors", |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1048 "ResolutionUnits", |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1049 "ColorType", |
0c42b6b7da24
imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1050 "View", |
0c42b6b7da24
imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1051 0 |
0c42b6b7da24
imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1052 }; |
0c42b6b7da24
imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1053 |
16871
5e30b1c950b8
Replace uses of Octave_map with octave_map or octave_scalar_map.
Rik <rik@octave.org>
parents:
16543
diff
changeset
|
1054 octave_map info (dim_vector (nframes, 1), string_vector (fields)); |
10333
0c42b6b7da24
imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1055 |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1056 file_stat fs (filename); |
0c42b6b7da24
imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1057 |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1058 std::string filetime; |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1059 |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1060 if (fs) |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1061 { |
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Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1062 octave_localtime mtime = fs.mtime (); |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1063 |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1064 filetime = mtime.strftime ("%e-%b-%Y %H:%M:%S"); |
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1065 } |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1066 else |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1067 { |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1068 std::string msg = fs.error (); |
0c42b6b7da24
imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1069 |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14173
diff
changeset
|
1070 error ("imfinfo: error reading '%s': %s", |
10333
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1071 filename.c_str (), msg.c_str ()); |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1072 |
0c42b6b7da24
imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1073 return retval; |
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diff
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|
1074 } |
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parents:
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diff
changeset
|
1075 |
0c42b6b7da24
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parents:
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diff
changeset
|
1076 // For each frame in the image (some images contain multiple |
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parents:
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diff
changeset
|
1077 // layers, each to be treated like a separate image). |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1078 for (int frame = 0; frame < nframes; frame++) |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1079 { |
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1080 Magick::Image im = imvec[frame]; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11585
diff
changeset
|
1081 |
10333
0c42b6b7da24
imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1082 // Add file name and timestamp. |
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1083 info.contents ("Filename")(frame,0) = filename; |
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1084 info.contents ("FileModDate")(frame,0) = filetime; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11585
diff
changeset
|
1085 |
10333
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1086 // Annoying CamelCase naming is for Matlab compatibility. |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1087 GET_PARAM (fileSize, "FileSize") |
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1088 GET_PARAM (rows, "Height") |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1089 GET_PARAM (columns, "Width") |
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1090 GET_PARAM (depth, "BitDepth") |
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1091 GET_PARAM (magick, "Format") |
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1092 GET_PARAM (format, "LongFormat") |
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1093 GET_PARAM (xResolution, "XResolution") |
0c42b6b7da24
imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1094 GET_PARAM (yResolution, "YResolution") |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1095 GET_PARAM (totalColors, "TotalColors") |
0c42b6b7da24
imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents:
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changeset
|
1096 GET_PARAM (tileName, "TileName") |
0c42b6b7da24
imfinfo: support image files with multiple frames
Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1097 GET_PARAM (animationDelay, "AnimationDelay") |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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changeset
|
1098 GET_PARAM (animationIterations, "AnimationIterations") |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
10298
diff
changeset
|
1099 GET_PARAM (endian, "ByteOrder") |
0c42b6b7da24
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parents:
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diff
changeset
|
1100 GET_PARAM (gamma, "Gamma") |
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parents:
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diff
changeset
|
1101 GET_PARAM (matte, "Matte") |
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Søren Hauberg <soren@hauberg.org>
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changeset
|
1102 GET_PARAM (modulusDepth, "ModulusDepth") |
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parents:
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|
1103 GET_PARAM (quality, "Quality") |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
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10298
diff
changeset
|
1104 GET_PARAM (quantizeColors, "QuantizeColors") |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
10298
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changeset
|
1105 GET_PARAM (resolutionUnits, "ResolutionUnits") |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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changeset
|
1106 GET_PARAM (type, "ColorType") |
0c42b6b7da24
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Søren Hauberg <soren@hauberg.org>
parents:
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diff
changeset
|
1107 GET_PARAM (view, "View") |
0c42b6b7da24
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|
1108 } |
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diff
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|
1109 |
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diff
changeset
|
1110 retval = octave_value (info); |
8144
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Add the 'imfinfo' function for reading image file information.
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diff
changeset
|
1111 } |
01fac748b680
Add the 'imfinfo' function for reading image file information.
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diff
changeset
|
1112 catch (Magick::Warning& w) |
01fac748b680
Add the 'imfinfo' function for reading image file information.
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diff
changeset
|
1113 { |
01fac748b680
Add the 'imfinfo' function for reading image file information.
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diff
changeset
|
1114 warning ("Magick++ warning: %s", w.what ()); |
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Add the 'imfinfo' function for reading image file information.
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parents:
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diff
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|
1115 } |
01fac748b680
Add the 'imfinfo' function for reading image file information.
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diff
changeset
|
1116 catch (Magick::ErrorCoder& e) |
01fac748b680
Add the 'imfinfo' function for reading image file information.
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diff
changeset
|
1117 { |
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Add the 'imfinfo' function for reading image file information.
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changeset
|
1118 warning ("Magick++ coder error: %s", e.what ()); |
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Add the 'imfinfo' function for reading image file information.
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|
1119 } |
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Add the 'imfinfo' function for reading image file information.
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parents:
8090
diff
changeset
|
1120 catch (Magick::Exception& e) |
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Add the 'imfinfo' function for reading image file information.
sh@sh-laptop
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|
1121 { |
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Add the 'imfinfo' function for reading image file information.
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|
1122 error ("Magick++ exception: %s", e.what ()); |
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|
1123 return retval; |
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|
1124 } |
01fac748b680
Add the 'imfinfo' function for reading image file information.
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changeset
|
1125 #endif |
10333
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|
1126 return retval; |
8144
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|
1127 } |
01fac748b680
Add the 'imfinfo' function for reading image file information.
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changeset
|
1128 |
12805
3641167e5b75
codesprint: *.cc helper functions do not need tests
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1129 /* |
3641167e5b75
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parents:
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diff
changeset
|
1130 ## No test needed for internal helper function. |
3641167e5b75
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parents:
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diff
changeset
|
1131 %!assert (1) |
3641167e5b75
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diff
changeset
|
1132 */ |
3641167e5b75
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parents:
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diff
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|
1133 |
8144
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|
1134 #undef GET_PARAM |
11035
8a6b7947f618
Added support for checking supported image types at runtime.
John Swensen <jpswensen@gmail.com>
parents:
11034
diff
changeset
|
1135 |
16901
861516dcad19
New function imformats.
Carnë Draug <carandraug@octave.org>
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diff
changeset
|
1136 DEFUN_DLD (__magick_formats__, args, , |
861516dcad19
New function imformats.
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changeset
|
1137 "-*- texinfo -*-\n\ |
861516dcad19
New function imformats.
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changeset
|
1138 @deftypefn {Loadable Function} {} __magick_imformats__ (@var{formats})\n\ |
861516dcad19
New function imformats.
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diff
changeset
|
1139 Fill formats info with GraphicsMagick CoderInfo.\n\ |
16984
997efb8d0b19
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Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
1140 \n\ |
997efb8d0b19
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Carnë Draug <carandraug@octave.org>
parents:
16983
diff
changeset
|
1141 @seealso{imfinfo, imformats, imread, imwrite}\n\ |
16901
861516dcad19
New function imformats.
Carnë Draug <carandraug@octave.org>
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diff
changeset
|
1142 @end deftypefn") |
861516dcad19
New function imformats.
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diff
changeset
|
1143 { |
861516dcad19
New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
16871
diff
changeset
|
1144 octave_value retval; |
861516dcad19
New function imformats.
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16871
diff
changeset
|
1145 #ifndef HAVE_MAGICK |
861516dcad19
New function imformats.
Carnë Draug <carandraug@octave.org>
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16871
diff
changeset
|
1146 gripe_disabled_feature ("imformats", "Image IO"); |
861516dcad19
New function imformats.
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diff
changeset
|
1147 #else |
861516dcad19
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diff
changeset
|
1148 if (args.length () != 1 || ! args (0).is_map ()) |
861516dcad19
New function imformats.
Carnë Draug <carandraug@octave.org>
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16871
diff
changeset
|
1149 { |
861516dcad19
New function imformats.
Carnë Draug <carandraug@octave.org>
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16871
diff
changeset
|
1150 print_usage (); |
861516dcad19
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1151 return retval; |
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1152 } |
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1153 octave_map formats = args(0).map_value (); |
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1154 |
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1155 maybe_initialize_magick (); |
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1156 for (octave_idx_type idx = 0; idx < formats.numel (); idx++) |
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1157 { |
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1158 try |
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1159 { |
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1160 octave_scalar_map fmt = formats.checkelem (idx); |
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1161 Magick::CoderInfo coder (fmt.getfield ("coder").string_value ()); |
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1162 |
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1163 fmt.setfield ("description", octave_value (coder.description ())); |
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1164 fmt.setfield ("multipage", coder.isMultiFrame () ? true : false); |
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1165 // default for read and write is a function handle. If we can't |
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1166 // read or write them, them set it to an empty value |
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1167 if (! coder.isReadable ()) |
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1168 fmt.setfield ("read", Matrix ()); |
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1169 if (! coder.isWritable ()) |
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1170 fmt.setfield ("write", Matrix ()); |
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1171 formats.fast_elem_insert (idx, fmt); |
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1172 } |
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1173 catch (Magick::Exception& e) |
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1174 { |
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1175 // Exception here are missing formats. So we remove the format |
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1176 // from the structure and reduce idx. |
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1177 formats.delete_elements (idx); |
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1178 idx--; |
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1179 } |
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1180 } |
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1181 retval = formats; |
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1182 #endif |
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1183 return retval; |
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1184 } |
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1185 |
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1186 /* |
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1187 ## No test needed for internal helper function. |
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1188 %!assert (1) |
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1189 */ |