Mercurial > octave
annotate libinterp/corefcn/text-renderer.cc @ 22003:2d3972b802ff
use consistent style for including config.h in source files
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Thu, 30 Jun 2016 11:41:49 -0400 |
| parents | aba2e6293dd8 |
| children | bac0d6f07a3e |
| rev | line source |
|---|---|
| 21209 | 1 /* |
| 2 | |
| 3 Copyright (C) 2016 John W. Eaton | |
| 4 Copyright (C) 2009-2015 Michael Goffioul | |
| 5 | |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 10 Free Software Foundation; either version 3 of the License, or (at your | |
| 11 option) any later version. | |
| 12 | |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 19 along with Octave; see the file COPYING. If not, see | |
| 20 <http://www.gnu.org/licenses/>. | |
| 21 | |
| 22 */ | |
| 23 | |
|
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
24 #if defined (HAVE_CONFIG_H) |
|
22003
2d3972b802ff
use consistent style for including config.h in source files
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
25 # include "config.h" |
| 21209 | 26 #endif |
| 27 | |
| 28 #include "base-text-renderer.h" | |
| 29 #include "errwarn.h" | |
| 30 #include "ft-text-renderer.h" | |
| 31 #include "text-renderer.h" | |
| 32 | |
| 33 static base_text_renderer * | |
| 34 make_text_renderer (void) | |
| 35 { | |
| 36 // Allow the possibility of choosing different text rendering | |
| 37 // implementations. | |
| 38 | |
| 39 return make_ft_text_renderer (); | |
| 40 } | |
| 41 | |
| 42 text_renderer::text_renderer (void) | |
| 43 : rep (make_text_renderer ()) | |
| 44 { } | |
| 45 | |
| 46 text_renderer::~text_renderer (void) | |
| 47 { | |
| 48 delete rep; | |
| 49 } | |
| 50 | |
| 51 bool | |
| 52 text_renderer::ok (void) const | |
| 53 { | |
| 54 static bool warned = false; | |
| 55 | |
| 56 if (! rep) | |
| 57 { | |
| 58 if (! warned) | |
| 59 { | |
| 60 warn_disabled_feature ("opengl_renderer::render_text", | |
| 61 "rendering text (FreeType)"); | |
| 62 | |
| 63 warned = true; | |
| 64 } | |
| 65 } | |
| 66 | |
| 67 return rep != 0; | |
| 68 } | |
| 69 | |
| 70 Matrix | |
| 71 text_renderer::get_extent (text_element *elt, double rotation) | |
| 72 { | |
| 73 static Matrix empty_extent (1, 4, 0.0); | |
| 74 | |
| 75 return ok () ? rep->get_extent (elt, rotation) : empty_extent; | |
| 76 } | |
| 77 | |
| 78 Matrix | |
| 79 text_renderer::get_extent (const std::string& txt, double rotation, | |
| 80 const caseless_str& interpreter) | |
| 81 { | |
| 82 static Matrix empty_extent (1, 4, 0.0); | |
| 83 | |
| 84 return ok () ? rep->get_extent (txt, rotation, interpreter) : empty_extent; | |
| 85 } | |
| 86 | |
| 87 void | |
| 88 text_renderer::set_font (const std::string& name, const std::string& weight, | |
| 89 const std::string& angle, double size) | |
| 90 { | |
| 91 if (ok ()) | |
| 92 rep->set_font (name, weight, angle, size); | |
| 93 } | |
| 94 | |
| 95 void | |
| 96 text_renderer::set_color (const Matrix& c) | |
| 97 { | |
| 98 if (ok ()) | |
| 99 rep->set_color (c); | |
| 100 } | |
| 101 | |
| 102 void | |
| 103 text_renderer::text_to_pixels (const std::string& txt, | |
| 104 uint8NDArray& pxls, Matrix& bbox, | |
| 105 int halign, int valign, double rotation, | |
| 106 const caseless_str& interpreter, | |
| 107 bool handle_rotation) | |
| 108 { | |
| 109 static Matrix empty_bbox (1, 4, 0.0); | |
| 110 static uint8NDArray empty_pxls; | |
| 111 | |
| 112 if (ok ()) | |
| 113 rep->text_to_pixels (txt, pxls, bbox, halign, valign, rotation, | |
| 114 interpreter, handle_rotation); | |
| 115 else | |
| 116 { | |
| 117 bbox = empty_bbox; | |
| 118 pxls = empty_pxls; | |
| 119 } | |
| 120 } | |
| 121 | |
| 122 void | |
| 123 text_renderer::text_to_strlist (const std::string& txt, | |
| 124 std::list<text_renderer::string>& lst, | |
| 125 Matrix& bbox, int halign, int valign, | |
| 126 double rotation, | |
| 127 const caseless_str& interpreter) | |
| 128 { | |
| 129 static Matrix empty_bbox (1, 4, 0.0); | |
| 130 static std::list<text_renderer::string> empty_lst; | |
| 131 | |
| 132 if (ok ()) | |
| 133 rep->text_to_strlist (txt, lst, bbox, halign, valign, rotation, | |
| 134 interpreter); | |
| 135 else | |
| 136 { | |
| 137 bbox = empty_bbox; | |
| 138 lst = empty_lst; | |
| 139 } | |
| 140 } |