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+/*
+ * 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__
+