Mercurial > fife-parpg
annotate engine/core/video/fonts/imagefontbase.cpp @ 583:47b49b9b0c0a
* Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
* Added a triangle function to backends and genericrenderer, also added the functions to set an alpha value for geometric figures.
author | helios2000@33b003aa-7bff-0310-803a-e67f0ece8222 |
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date | Sat, 07 Aug 2010 16:36:35 +0000 |
parents | 756b895e1dab |
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rev | line source |
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1 /*************************************************************************** |
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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 * * |
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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. * |
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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. * |
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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 * |
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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 <algorithm> |
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24 |
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25 // 3rd party library includes |
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26 #include <boost/filesystem/convenience.hpp> |
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27 #include <boost/scoped_array.hpp> |
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28 #include <SDL.h> |
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29 #include <SDL_image.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/structures/rect.h" |
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37 #include "util/utf8/utf8.h" |
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38 #include "video/image.h" |
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39 #include "video/renderbackend.h" |
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40 |
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41 #include "imagefontbase.h" |
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42 |
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43 namespace FIFE { |
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44 |
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45 ImageFontBase::ImageFontBase() : FontBase() { |
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46 } |
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47 |
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48 ImageFontBase::~ImageFontBase() { |
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49 type_glyphs::iterator i = m_glyphs.begin(); |
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50 for(; i != m_glyphs.end(); ++i) { |
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51 SDL_FreeSurface(i->second.surface); |
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52 } |
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53 |
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54 } |
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55 |
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56 int ImageFontBase::getWidth(const std::string& text) const { |
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57 int w = 0; |
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58 std::string::const_iterator text_it = text.begin(); |
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59 while(text_it != text.end()) { |
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60 uint32_t codepoint = utf8::next(text_it,text.end()); |
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61 type_glyphs::const_iterator it = m_glyphs.find( codepoint ); |
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62 |
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63 if( it != m_glyphs.end() ) { |
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64 w += it->second.surface->w + getGlyphSpacing(); |
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65 continue; |
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66 } |
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67 |
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68 if( m_placeholder.surface ) { |
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69 w += m_placeholder.surface->w + getGlyphSpacing(); |
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70 } |
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71 } |
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72 return w; |
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73 } |
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74 |
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75 int ImageFontBase::getHeight() const { |
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76 return mHeight; |
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77 } |
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78 |
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79 SDL_Surface *ImageFontBase::renderString(const std::string& text) { |
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80 SDL_Surface *surface = SDL_CreateRGBSurface(SDL_SWSURFACE, |
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81 getWidth(text),getHeight(),32, |
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82 RMASK, GMASK, BMASK ,AMASK); |
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83 |
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84 SDL_FillRect(surface,0,0x00000000); |
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85 |
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86 SDL_Rect dst; |
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87 dst.x = dst.y = 0; |
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88 s_glyph *glyph = 0; |
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89 |
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90 std::string::const_iterator text_it = text.begin(); |
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91 while(text_it != text.end()) { |
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92 uint32_t codepoint = utf8::next(text_it,text.end()); |
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93 type_glyphs::iterator it = m_glyphs.find( codepoint ); |
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94 |
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95 if( it == m_glyphs.end() ) { |
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96 if( !m_placeholder.surface ) { |
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97 continue; |
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
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98 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
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99 glyph = &m_placeholder; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
100 } else { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
101 glyph = &(it->second); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
102 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
103 dst.y = glyph->offset.y; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
104 dst.x += glyph->offset.x; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
105 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
106 SDL_BlitSurface(glyph->surface,0,surface,&dst); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
107 dst.x += glyph->surface->w + getGlyphSpacing(); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
108 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
109 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
110 return surface; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
111 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
112 |
583
47b49b9b0c0a
* Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
228
diff
changeset
|
113 void ImageFontBase::setColor(Uint8 r, Uint8 g, Uint8 b, Uint8 a) { |
0
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
114 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
115 } |