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annotate engine/core/video/fonts/subimagefont.cpp @ 629:e37469251b22

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* Removed some more unused files
author prock@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 04 Oct 2010 20:52:06 +0000
parents ad7969d9460b
children
rev   line source
0
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1 /***************************************************************************
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
46
90005975cdbb * Final LGPL switch step by adjusting the file headers
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
0
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
0
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
0
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 // Standard C++ library includes
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23 #include <string>
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24
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25 // Platform specific includes
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26 #include "util/base/fife_stdint.h"
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27
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28 // 3rd party library includes
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29 #include <SDL.h>
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30
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31 // FIFE includes
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32 // These includes are split up in two parts, separated by one empty line
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33 // First block: files included from the FIFE root src directory
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34 // Second block: files included from the same folder
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35 #include "util/base/exception.h"
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36 #include "util/log/logger.h"
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37 #include "util/structures/rect.h"
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756b895e1dab Merged unicode-support back into trunk.
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38 #include "util/utf8/utf8.h"
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39 #include "video/image.h"
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40 #include "video/renderbackend.h"
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41 #include "video/imagepool.h"
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42
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43 #include "subimagefont.h"
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44
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45 namespace FIFE {
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46 static Logger _log(LM_GUI);
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47
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48 SubImageFont::SubImageFont(const std::string& filename, const std::string& glyphs, ImagePool& pool)
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49 : ImageFontBase(), m_pool(pool) {
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50
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51 FL_LOG(_log, LMsg("guichan_image_font, loading ") << filename << " glyphs " << glyphs);
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52
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53 int image_id = m_pool.addResourceFromFile(filename);
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54 Image& img = dynamic_cast<Image&>(m_pool.get(image_id));
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55 SDL_Surface* surface = img.getSurface();
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56 m_colorkey = RenderBackend::instance()->getColorKey();
0
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57
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58 if( !surface ) {
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59 throw CannotOpenFile(filename);
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60 }
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61
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62 // Make sure we get 32bit RGB
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63 // and copy the Pixelbuffers surface
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64 SDL_Surface *tmp = SDL_CreateRGBSurface(SDL_SWSURFACE,
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65 surface->w,surface->h,32,
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66 RMASK, GMASK, BMASK ,NULLMASK);
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67
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68 SDL_BlitSurface(surface,0,tmp,0);
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69 surface = tmp;
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70
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71 // Prepare the data for extracting the glyphs.
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72 uint32_t *pixels = reinterpret_cast<uint32_t*>(surface->pixels);
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73
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74 int x, w;
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75 x = 0; w=0;
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76
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77 SDL_Rect src;
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78
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79 src.h = surface->h;
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80 src.y = 0;
425
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81
0
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82 uint32_t separator = pixels[0];
425
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83 uint32_t colorkey = SDL_MapRGB(surface->format, m_colorkey.r, m_colorkey.g, m_colorkey.b);
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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84
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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85 // if colorkey feature is not enabled then manually find the color key in the font
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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86 if (!RenderBackend::instance()->isColorKeyEnabled()) {
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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87 while(x < surface->w && pixels[x] == separator) {
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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88 ++x;
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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89 }
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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90
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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91 colorkey = pixels[x];
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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92 }
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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93
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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94 // Disable alpha blending, so that we use color keying
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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95 SDL_SetAlpha(surface,0,255);
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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96 SDL_SetColorKey(surface,SDL_SRCCOLORKEY,colorkey);
0
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97
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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98 FL_DBG(_log, LMsg("image_font")
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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99 << " glyph separator is "
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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100 << pprint(reinterpret_cast<void*>(separator))
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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101 << " transparent color is "
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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102 << pprint(reinterpret_cast<void*>(colorkey)));
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103
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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104 // Finally extract all glyphs
228
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 46
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105 std::string::const_iterator text_it = glyphs.begin();
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 46
diff changeset
106 while(text_it != glyphs.end()) {
0
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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107 w=0;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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108 while(x < surface->w && pixels[x] == separator)
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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109 ++x;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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110 if( x == surface->w )
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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111 break;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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112
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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113 while(x + w < surface->w && pixels[x + w] != separator)
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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114 ++w;
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115
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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116 src.x = x;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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117 src.w = w;
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118
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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119 tmp = SDL_CreateRGBSurface(SDL_SWSURFACE,
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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120 w,surface->h,32,
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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121 RMASK, GMASK, BMASK ,NULLMASK);
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122
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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123 SDL_FillRect(tmp,0,colorkey);
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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124 SDL_BlitSurface(surface,&src,tmp,0);
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125
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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126 // Disable alpha blending, so that we use colorkeying
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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127 SDL_SetAlpha(tmp,0,255);
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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128 SDL_SetColorKey(tmp,SDL_SRCCOLORKEY,colorkey);
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129
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130
228
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 46
diff changeset
131 uint32_t codepoint = utf8::next(text_it, glyphs.end());
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 46
diff changeset
132 m_glyphs[ codepoint ].surface = tmp;
0
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133
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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134 x += w;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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135 }
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136
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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137 // Set placeholder glyph
228
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 46
diff changeset
138 // This should actually work ith utf8.
0
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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139 if( m_glyphs.find('?') != m_glyphs.end() ) {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
140 m_placeholder = m_glyphs['?'];
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
141 } else {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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142 m_placeholder.surface = 0;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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143 }
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144
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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145 mHeight = surface->h;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
146 SDL_FreeSurface(surface);
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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147 }
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148
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149
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150 }
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
151