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Diffstat (limited to 'src/ftgl/FTFont/FTFontImpl.h')
-rw-r--r-- | src/ftgl/FTFont/FTFontImpl.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/src/ftgl/FTFont/FTFontImpl.h b/src/ftgl/FTFont/FTFontImpl.h new file mode 100644 index 0000000..36c3bf8 --- /dev/null +++ b/src/ftgl/FTFont/FTFontImpl.h @@ -0,0 +1,162 @@ +/* + * 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 __FTFontImpl__ +#define __FTFontImpl__ + +#include "FTGL/ftgl.h" + +#include "FTFace.h" + +class FTGlyphContainer; +class FTGlyph; + +class FTFontImpl +{ + friend class FTFont; + + protected: + FTFontImpl(FTFont *ftFont, char const *fontFilePath); + + FTFontImpl(FTFont *ftFont, const unsigned char *pBufferBytes, + size_t bufferSizeInBytes); + + virtual ~FTFontImpl(); + + virtual bool Attach(const char* fontFilePath); + + virtual bool Attach(const unsigned char *pBufferBytes, + size_t bufferSizeInBytes); + + virtual void GlyphLoadFlags(FT_Int flags); + + virtual bool CharMap(FT_Encoding encoding); + + virtual unsigned int CharMapCount() const; + + virtual FT_Encoding* CharMapList(); + + virtual void UseDisplayList(bool useList); + + virtual float Ascender() const; + + virtual float Descender() const; + + virtual float LineHeight() const; + + virtual bool FaceSize(const unsigned int size, + const unsigned int res); + + virtual unsigned int FaceSize() const; + + virtual void Depth(float depth); + + virtual void Outset(float outset); + + virtual void Outset(float front, float back); + + virtual FTBBox BBox(const char *s, const int len, FTPoint, FTPoint); + + virtual FTBBox BBox(const wchar_t *s, const int len, FTPoint, FTPoint); + + virtual float Advance(const char *s, const int len, FTPoint); + + virtual float Advance(const wchar_t *s, const int len, FTPoint); + + virtual FTPoint Render(const char *s, const int len, + FTPoint, FTPoint, int); + + virtual FTPoint Render(const wchar_t *s, const int len, + FTPoint, FTPoint, int); + + /** + * Current face object + */ + FTFace face; + + /** + * Current size object + */ + FTSize charSize; + + /** + * Flag to enable or disable the use of Display Lists inside FTGL + * <code>true</code> turns ON display lists. + * <code>false</code> turns OFF display lists. + */ + bool useDisplayLists; + + /** + * The default glyph loading flags. + */ + FT_Int load_flags; + + /** + * Current error code. Zero means no error. + */ + FT_Error err; + + private: + /** + * A link back to the interface of which we are the implementation. + */ + FTFont *intf; + + /** + * Check that the glyph at <code>chr</code> exist. If not load it. + * + * @param chr character index + * @return <code>true</code> if the glyph can be created. + */ + bool CheckGlyph(const unsigned int chr); + + /** + * An object that holds a list of glyphs + */ + FTGlyphContainer* glyphList; + + /** + * Current pen or cursor position; + */ + FTPoint pen; + + /* Internal generic BBox() implementation */ + template <typename T> + inline FTBBox BBoxI(const T *s, const int len, + FTPoint position, FTPoint spacing); + + /* Internal generic Advance() implementation */ + template <typename T> + inline float AdvanceI(const T *s, const int len, FTPoint spacing); + + /* Internal generic Render() implementation */ + template <typename T> + inline FTPoint RenderI(const T *s, const int len, + FTPoint position, FTPoint spacing, int mode); +}; + +#endif // __FTFontImpl__ + |