From 37a92b86d13e89d0dcec92be6d23ceced29dbc36 Mon Sep 17 00:00:00 2001 From: scuri Date: Mon, 21 Jun 2010 22:55:10 +0000 Subject: *** empty log message *** --- src/ftgl/FTGlyphContainer.h | 155 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 155 insertions(+) create mode 100644 src/ftgl/FTGlyphContainer.h (limited to 'src/ftgl/FTGlyphContainer.h') diff --git a/src/ftgl/FTGlyphContainer.h b/src/ftgl/FTGlyphContainer.h new file mode 100644 index 0000000..d4bbb74 --- /dev/null +++ b/src/ftgl/FTGlyphContainer.h @@ -0,0 +1,155 @@ +/* + * FTGL - OpenGL font library + * + * Copyright (c) 2001-2004 Henry Maddocks + * + * 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 __FTGlyphContainer__ +#define __FTGlyphContainer__ + +#include +#include FT_FREETYPE_H +#include FT_GLYPH_H + +#include "FTGL/ftgl.h" + +#include "FTVector.h" + +class FTFace; +class FTGlyph; +class FTCharmap; + +/** + * FTGlyphContainer holds the post processed FTGlyph objects. + * + * @see FTGlyph + */ +class FTGlyphContainer +{ + typedef FTVector GlyphVector; + public: + /** + * Constructor + * + * @param face The Freetype face + */ + FTGlyphContainer(FTFace* face); + + /** + * Destructor + */ + ~FTGlyphContainer(); + + /** + * Sets the character map for the face. + * + * @param encoding the Freetype encoding symbol. See above. + * @return true if charmap was valid + * and set correctly + */ + bool CharMap(FT_Encoding encoding); + + /** + * Get the font index of the input character. + * + * @param characterCode The character code of the requested glyph in the + * current encoding eg apple roman. + * @return The font index for the character. + */ + unsigned int FontIndex(const unsigned int characterCode) const; + + /** + * Adds a glyph to this glyph list. + * + * @param glyph The FTGlyph to be inserted into the container + * @param characterCode The char code of the glyph NOT the glyph index. + */ + void Add(FTGlyph* glyph, const unsigned int characterCode); + + /** + * Get a glyph from the glyph list + * + * @param characterCode The char code of the glyph NOT the glyph index + * @return An FTGlyph or null is it hasn't been + * loaded. + */ + const FTGlyph* const Glyph(const unsigned int characterCode) const; + + /** + * Get the bounding box for a character. + * @param characterCode The char code of the glyph NOT the glyph index + */ + FTBBox BBox(const unsigned int characterCode) const; + + /** + * Returns the kerned advance width for a glyph. + * + * @param characterCode glyph index of the character + * @param nextCharacterCode the next glyph in a string + * @return advance width + */ + float Advance(const unsigned int characterCode, + const unsigned int nextCharacterCode); + + /** + * Renders a character + * @param characterCode the glyph to be Rendered + * @param nextCharacterCode the next glyph in the string. Used for kerning. + * @param penPosition the position to Render the glyph + * @param renderMode Render mode to display + * @return The distance to advance the pen position after Rendering + */ + FTPoint Render(const unsigned int characterCode, + const unsigned int nextCharacterCode, + FTPoint penPosition, int renderMode); + + /** + * Queries the Font for errors. + * + * @return The current error code. + */ + FT_Error Error() const { return err; } + + private: + /** + * The FTGL face + */ + FTFace* face; + + /** + * The Character Map object associated with the current face + */ + FTCharmap* charMap; + + /** + * A structure to hold the glyphs + */ + GlyphVector glyphs; + + /** + * Current error code. Zero means no error. + */ + FT_Error err; +}; + + +#endif // __FTGlyphContainer__ -- cgit v1.2.3