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authorscuri <scuri>2010-06-21 22:55:10 +0000
committerscuri <scuri>2010-06-21 22:55:10 +0000
commit37a92b86d13e89d0dcec92be6d23ceced29dbc36 (patch)
treefaff61ef668379212b4ed948934533c3f2fe308b /src/ftgl/FTFont/FTFontGlue.cpp
parenta124216ee05a5d63ea8fcdafcd050ad1fadf0b09 (diff)
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diff --git a/src/ftgl/FTFont/FTFontGlue.cpp b/src/ftgl/FTFont/FTFontGlue.cpp
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+++ b/src/ftgl/FTFont/FTFontGlue.cpp
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+/*
+ * FTGL - OpenGL font library
+ *
+ * Copyright (c) 2001-2004 Henry Maddocks <ftgl@opengl.geek.nz>
+ * Copyright (c) 2008 Éric Beets <ericbeets@free.fr>
+ * 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.
+ */
+
+#include "config.h"
+
+#include "FTInternals.h"
+
+static const FTPoint static_ftpoint;
+static const FTBBox static_ftbbox;
+
+FTGL_BEGIN_C_DECLS
+
+#define C_TOR(cname, cargs, cxxname, cxxarg, cxxtype) \
+ FTGLfont* cname cargs \
+ { \
+ cxxname *f = new cxxname cxxarg; \
+ if(f->Error()) \
+ { \
+ delete f; \
+ return NULL; \
+ } \
+ FTGLfont *ftgl = (FTGLfont *)malloc(sizeof(FTGLfont)); \
+ ftgl->ptr = f; \
+ ftgl->type = cxxtype; \
+ return ftgl; \
+ }
+
+// FTBitmapFont::FTBitmapFont();
+C_TOR(ftglCreateBitmapFont, (const char *fontname),
+ FTBitmapFont, (fontname), FONT_BITMAP);
+
+// FTBufferFont::FTBufferFont();
+C_TOR(ftglCreateBufferFont, (const char *fontname),
+ FTBufferFont, (fontname), FONT_BUFFER);
+
+// FTExtrudeFont::FTExtrudeFont();
+C_TOR(ftglCreateExtrudeFont, (const char *fontname),
+ FTExtrudeFont, (fontname), FONT_EXTRUDE);
+
+// FTOutlineFont::FTOutlineFont();
+C_TOR(ftglCreateOutlineFont, (const char *fontname),
+ FTOutlineFont, (fontname), FONT_OUTLINE);
+
+// FTPixmapFont::FTPixmapFont();
+C_TOR(ftglCreatePixmapFont, (const char *fontname),
+ FTPixmapFont, (fontname), FONT_PIXMAP);
+
+// FTPolygonFont::FTPolygonFont();
+C_TOR(ftglCreatePolygonFont, (const char *fontname),
+ FTPolygonFont, (fontname), FONT_POLYGON);
+
+// FTTextureFont::FTTextureFont();
+C_TOR(ftglCreateTextureFont, (const char *fontname),
+ FTTextureFont, (fontname), FONT_TEXTURE);
+
+// FTCustomFont::FTCustomFont();
+class FTCustomFont : public FTFont
+{
+public:
+ FTCustomFont(char const *fontFilePath, void *p,
+ FTGLglyph * (*makeglyph) (FT_GlyphSlot, void *))
+ : FTFont(fontFilePath),
+ data(p),
+ makeglyphCallback(makeglyph)
+ {}
+
+ ~FTCustomFont()
+ {}
+
+ FTGlyph* MakeGlyph(FT_GlyphSlot slot)
+ {
+ FTGLglyph *g = makeglyphCallback(slot, data);
+ FTGlyph *glyph = g->ptr;
+ // XXX: we no longer need g, and no one will free it for us. Not
+ // very elegant, and we need to make sure no one else will try to
+ // use it.
+ free(g);
+ return glyph;
+ }
+
+private:
+ void *data;
+ FTGLglyph *(*makeglyphCallback) (FT_GlyphSlot, void *);
+};
+
+C_TOR(ftglCreateCustomFont, (char const *fontFilePath, void *data,
+ FTGLglyph * (*makeglyphCallback) (FT_GlyphSlot, void *)),
+ FTCustomFont, (fontFilePath, data, makeglyphCallback), FONT_CUSTOM);
+
+#define C_FUN(cret, cname, cargs, cxxerr, cxxname, cxxarg) \
+ cret cname cargs \
+ { \
+ if(!f || !f->ptr) \
+ { \
+ fprintf(stderr, "FTGL warning: NULL pointer in %s\n", #cname); \
+ cxxerr; \
+ } \
+ return f->ptr->cxxname cxxarg; \
+ }
+
+// FTFont::~FTFont();
+void ftglDestroyFont(FTGLfont *f)
+{
+ if(!f || !f->ptr)
+ {
+ fprintf(stderr, "FTGL warning: NULL pointer in %s\n", __FUNCTION__);
+ return;
+ }
+ delete f->ptr;
+ free(f);
+}
+
+// bool FTFont::Attach(const char* fontFilePath);
+C_FUN(int, ftglAttachFile, (FTGLfont *f, const char* path),
+ return 0, Attach, (path));
+
+// bool FTFont::Attach(const unsigned char *pBufferBytes,
+// size_t bufferSizeInBytes);
+C_FUN(int, ftglAttachData, (FTGLfont *f, const unsigned char *p, size_t s),
+ return 0, Attach, (p, s));
+
+// void FTFont::GlyphLoadFlags(FT_Int flags);
+C_FUN(void, ftglSetFontGlyphLoadFlags, (FTGLfont *f, FT_Int flags),
+ return, GlyphLoadFlags, (flags));
+
+// bool FTFont::CharMap(FT_Encoding encoding);
+C_FUN(int, ftglSetFontCharMap, (FTGLfont *f, FT_Encoding enc),
+ return 0, CharMap, (enc));
+
+// unsigned int FTFont::CharMapCount();
+C_FUN(unsigned int, ftglGetFontCharMapCount, (FTGLfont *f),
+ return 0, CharMapCount, ());
+
+// FT_Encoding* FTFont::CharMapList();
+C_FUN(FT_Encoding *, ftglGetFontCharMapList, (FTGLfont* f),
+ return NULL, CharMapList, ());
+
+// virtual bool FTFont::FaceSize(const unsigned int size,
+// const unsigned int res = 72);
+C_FUN(int, ftglSetFontFaceSize, (FTGLfont *f, unsigned int s, unsigned int r),
+ return 0, FaceSize, (s, r > 0 ? r : 72));
+
+// unsigned int FTFont::FaceSize() const;
+// XXX: need to call FaceSize() as FTFont::FaceSize() because of FTGLTexture
+C_FUN(unsigned int, ftglGetFontFaceSize, (FTGLfont *f),
+ return 0, FTFont::FaceSize, ());
+
+// virtual void FTFont::Depth(float depth);
+C_FUN(void, ftglSetFontDepth, (FTGLfont *f, float d), return, Depth, (d));
+
+// virtual void FTFont::Outset(float front, float back);
+C_FUN(void, ftglSetFontOutset, (FTGLfont *f, float front, float back),
+ return, FTFont::Outset, (front, back));
+
+// void FTFont::UseDisplayList(bool useList);
+C_FUN(void, ftglSetFontDisplayList, (FTGLfont *f, int l),
+ return, UseDisplayList, (l != 0));
+
+// float FTFont::Ascender() const;
+C_FUN(float, ftglGetFontAscender, (FTGLfont *f), return 0.f, Ascender, ());
+
+// float FTFont::Descender() const;
+C_FUN(float, ftglGetFontDescender, (FTGLfont *f), return 0.f, Descender, ());
+
+// float FTFont::LineHeight() const;
+C_FUN(float, ftglGetFontLineHeight, (FTGLfont *f), return 0.f, LineHeight, ());
+
+// void FTFont::BBox(const char* string, float& llx, float& lly, float& llz,
+// float& urx, float& ury, float& urz);
+extern "C++" {
+C_FUN(static FTBBox, _ftglGetFontBBox, (FTGLfont *f, char const *s, int len),
+ return static_ftbbox, BBox, (s, len));
+}
+
+void ftglGetFontBBox(FTGLfont *f, const char* s, int len, float c[6])
+{
+ FTBBox ret = _ftglGetFontBBox(f, s, len);
+ FTPoint lower = ret.Lower(), upper = ret.Upper();
+ c[0] = lower.Xf(); c[1] = lower.Yf(); c[2] = lower.Zf();
+ c[3] = upper.Xf(); c[4] = upper.Yf(); c[5] = upper.Zf();
+}
+
+// float FTFont::Advance(const char* string);
+C_FUN(float, ftglGetFontAdvance, (FTGLfont *f, char const *s),
+ return 0.0, Advance, (s));
+
+// virtual void Render(const char* string, int renderMode);
+extern "C++" {
+C_FUN(static FTPoint, _ftglRenderFont, (FTGLfont *f, char const *s, int len,
+ FTPoint pos, FTPoint spacing, int mode),
+ return static_ftpoint, Render, (s, len, pos, spacing, mode));
+}
+
+void ftglRenderFont(FTGLfont *f, const char *s, int mode)
+{
+ _ftglRenderFont(f, s, -1, FTPoint(), FTPoint(), mode);
+}
+
+// FT_Error FTFont::Error() const;
+C_FUN(FT_Error, ftglGetFontError, (FTGLfont *f), return -1, Error, ());
+
+FTGL_END_C_DECLS
+