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author | scuri <scuri> | 2010-06-21 22:55:10 +0000 |
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committer | scuri <scuri> | 2010-06-21 22:55:10 +0000 |
commit | 37a92b86d13e89d0dcec92be6d23ceced29dbc36 (patch) | |
tree | faff61ef668379212b4ed948934533c3f2fe308b /src/ftgl/FTGlyph/FTTextureGlyphImpl.h | |
parent | a124216ee05a5d63ea8fcdafcd050ad1fadf0b09 (diff) |
*** empty log message ***
Diffstat (limited to 'src/ftgl/FTGlyph/FTTextureGlyphImpl.h')
-rw-r--r-- | src/ftgl/FTGlyph/FTTextureGlyphImpl.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/ftgl/FTGlyph/FTTextureGlyphImpl.h b/src/ftgl/FTGlyph/FTTextureGlyphImpl.h new file mode 100644 index 0000000..793af04 --- /dev/null +++ b/src/ftgl/FTGlyph/FTTextureGlyphImpl.h @@ -0,0 +1,88 @@ +/* + * FTGL - OpenGL font library + * + * Copyright (c) 2001-2004 Henry Maddocks <ftgl@opengl.geek.nz> + * Copyright (c) 2008 Sam Hocevar <sam@zoy.org> + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef __FTTextureGlyphImpl__ +#define __FTTextureGlyphImpl__ + +#include "FTGlyphImpl.h" + +class FTTextureGlyphImpl : public FTGlyphImpl +{ + friend class FTTextureGlyph; + friend class FTTextureFontImpl; + + protected: + FTTextureGlyphImpl(FT_GlyphSlot glyph, int id, int xOffset, + int yOffset, int width, int height); + + virtual ~FTTextureGlyphImpl(); + + virtual const FTPoint& RenderImpl(const FTPoint& pen, int renderMode); + + private: + /** + * Reset the currently active texture to zero to get into a known + * state before drawing a string. This is to get round possible + * threading issues. + */ + static void ResetActiveTexture() { activeTextureID = 0; } + + /** + * The width of the glyph 'image' + */ + int destWidth; + + /** + * The height of the glyph 'image' + */ + int destHeight; + + /** + * Vector from the pen position to the topleft corner of the pixmap + */ + FTPoint corner; + + /** + * The texture co-ords of this glyph within the texture. + */ + FTPoint uv[2]; + + /** + * The texture index that this glyph is contained in. + */ + int glTextureID; + + /** + * The texture index of the currently active texture + * + * We keep track of the currently active texture to try to reduce the + * number of texture bind operations. + */ + static GLint activeTextureID; +}; + +#endif // __FTTextureGlyphImpl__ + |