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comparison src/graphics.cc @ 8599:b4fb0a52b15e

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Improve default property compatibility.
author Ben Abbott <bpabbott@mac.com>
date Tue, 27 Jan 2009 07:20:58 -0500
parents 5cc594679cdc
children ee70d438a5b4
comparison
equal deleted inserted replaced
8598:11cf7bc4a871 8599:b4fb0a52b15e
186 m(2) = m(3) = 1.0; 186 m(2) = m(3) = 1.0;
187 return m; 187 return m;
188 } 188 }
189 189
190 static Matrix 190 static Matrix
191 default_axes_tick (void)
192 {
193 Matrix m (1, 6, 0.0);
194 m(0) = 0.0;
195 m(1) = 0.2;
196 m(2) = 0.4;
197 m(3) = 0.6;
198 m(4) = 0.8;
199 m(5) = 1.0;
200 return m;
201 }
202
203 static Matrix
191 default_figure_position (void) 204 default_figure_position (void)
192 { 205 {
193 Matrix m (1, 4, 0.0); 206 Matrix m (1, 4, 0.0);
194 m(0) = 300; 207 m(0) = 300;
195 m(1) = 200; 208 m(1) = 200;
197 m(3) = 420; 210 m(3) = 420;
198 return m; 211 return m;
199 } 212 }
200 213
201 static Matrix 214 static Matrix
215 default_figure_papersize (void)
216 {
217 Matrix m (1, 2, 0.0);
218 m(0) = 8.5;
219 m(1) = 11.5;
220 return m;
221 }
222
223 static Matrix
224 default_figure_paperposition (void)
225 {
226 Matrix m (1, 4, 0.0);
227 m(0) = 0.25;
228 m(1) = 2.50;
229 m(2) = 8.00;
230 m(3) = 6.00;
231 return m;
232 }
233
234 static Matrix
202 convert_position (const Matrix& pos, const caseless_str& from_units, 235 convert_position (const Matrix& pos, const caseless_str& from_units,
203 const caseless_str& to_units, 236 const caseless_str& to_units,
204 const Matrix& parent_dim = Matrix (1, 2, 0.0), 237 const Matrix& parent_dim = Matrix (1, 2, 0.0),
205 const graphics_backend& backend = graphics_backend ()) 238 const graphics_backend& backend = graphics_backend ())
206 { 239 {
216 retval(2) = pos(2) * parent_dim(0); 249 retval(2) = pos(2) * parent_dim(0);
217 retval(3) = pos(3) * parent_dim(1); 250 retval(3) = pos(3) * parent_dim(1);
218 } 251 }
219 else if (from_units.compare ("characters")) 252 else if (from_units.compare ("characters"))
220 { 253 {
221 // FIXME -- implement this. 254 res = backend.get_screen_resolution ();
255
256 double f = 0.0;
257
258 // FIXME -- this assumes the system font is Helvetica 10pt
259 // (for which "x" requires 6x12 pixels at 74.951 pixels/inch)
260 f = 12.0 * res / 74.951;
261
262 if (f > 0)
263 {
264 retval(0) = 0.5 * pos(0) * f;
265 retval(1) = pos(1) * f;
266 retval(2) = 0.5 * pos(2) * f;
267 retval(3) = pos(3) * f;
268 }
222 } 269 }
223 else 270 else
224 { 271 {
225 res = backend.get_screen_resolution (); 272 res = backend.get_screen_resolution ();
226 273
251 retval(2) /= parent_dim(0); 298 retval(2) /= parent_dim(0);
252 retval(3) /= parent_dim(1); 299 retval(3) /= parent_dim(1);
253 } 300 }
254 else if (to_units.compare ("characters")) 301 else if (to_units.compare ("characters"))
255 { 302 {
256 // FIXME -- implement this. 303 res = backend.get_screen_resolution ();
304
305 double f = 0.0;
306
307 f = 12.0 * res / 74.951;
308
309 if (f > 0)
310 {
311 retval(0) = 2 * retval(0) / f;
312 retval(1) = retval(1) / f;
313 retval(2) = 2 * retval(2) / f;
314 retval(3) = retval(3) / f;
315 }
257 } 316 }
258 else 317 else
259 { 318 {
260 if (res <= 0) 319 if (res <= 0)
261 res = backend.get_screen_resolution (); 320 res = backend.get_screen_resolution ();