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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/FTGlyph/FTGlyphGlue.cpp
parenta124216ee05a5d63ea8fcdafcd050ad1fadf0b09 (diff)
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Diffstat (limited to 'src/ftgl/FTGlyph/FTGlyphGlue.cpp')
-rw-r--r--src/ftgl/FTGlyph/FTGlyphGlue.cpp198
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diff --git a/src/ftgl/FTGlyph/FTGlyphGlue.cpp b/src/ftgl/FTGlyph/FTGlyphGlue.cpp
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+++ b/src/ftgl/FTGlyph/FTGlyphGlue.cpp
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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.
+ */
+
+#include "config.h"
+
+#include "FTGL/ftgl.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) \
+ FTGLglyph* cname cargs \
+ { \
+ cxxname *g = new cxxname cxxarg; \
+ if(g->Error()) \
+ { \
+ delete g; \
+ return NULL; \
+ } \
+ FTGLglyph *ftgl = (FTGLglyph *)malloc(sizeof(FTGLglyph)); \
+ ftgl->ptr = g; \
+ ftgl->type = cxxtype; \
+ return ftgl; \
+ }
+
+// FTBitmapGlyph::FTBitmapGlyph();
+C_TOR(ftglCreateBitmapGlyph, (FT_GlyphSlot glyph),
+ FTBitmapGlyph, (glyph), GLYPH_BITMAP);
+
+// FTBufferGlyph::FTBufferGlyph();
+// FIXME: not implemented
+
+// FTExtrudeGlyph::FTExtrudeGlyph();
+C_TOR(ftglCreateExtrudeGlyph, (FT_GlyphSlot glyph, float depth,
+ float frontOutset, float backOutset, int useDisplayList),
+ FTExtrudeGlyph, (glyph, depth, frontOutset, backOutset, (useDisplayList != 0)),
+ GLYPH_EXTRUDE);
+
+// FTOutlineGlyph::FTOutlineGlyph();
+C_TOR(ftglCreateOutlineGlyph, (FT_GlyphSlot glyph, float outset,
+ int useDisplayList),
+ FTOutlineGlyph, (glyph, outset, (useDisplayList != 0)), GLYPH_OUTLINE);
+
+// FTPixmapGlyph::FTPixmapGlyph();
+C_TOR(ftglCreatePixmapGlyph, (FT_GlyphSlot glyph),
+ FTPixmapGlyph, (glyph), GLYPH_PIXMAP);
+
+// FTPolygonGlyph::FTPolygonGlyph();
+C_TOR(ftglCreatePolygonGlyph, (FT_GlyphSlot glyph, float outset,
+ int useDisplayList),
+ FTPolygonGlyph, (glyph, outset, (useDisplayList != 0)), GLYPH_POLYGON);
+
+// FTTextureGlyph::FTTextureGlyph();
+C_TOR(ftglCreateTextureGlyph, (FT_GlyphSlot glyph, int id, int xOffset,
+ int yOffset, int width, int height),
+ FTTextureGlyph, (glyph, id, xOffset, yOffset, width, height),
+ GLYPH_TEXTURE);
+
+// FTCustomGlyph::FTCustomGlyph();
+class FTCustomGlyph : public FTGlyph
+{
+public:
+ FTCustomGlyph(FTGLglyph *base, void *p,
+ void (*render) (FTGLglyph *, void *, FTGL_DOUBLE, FTGL_DOUBLE,
+ int, FTGL_DOUBLE *, FTGL_DOUBLE *),
+ void (*destroy) (FTGLglyph *, void *))
+ : FTGlyph((FT_GlyphSlot)0),
+ baseGlyph(base),
+ data(p),
+ renderCallback(render),
+ destroyCallback(destroy)
+ {}
+
+ ~FTCustomGlyph()
+ {
+ destroyCallback(baseGlyph, data);
+ }
+
+ float Advance() const { return baseGlyph->ptr->Advance(); }
+
+ const FTPoint& Render(const FTPoint& pen, int renderMode)
+ {
+ FTGL_DOUBLE advancex, advancey;
+ renderCallback(baseGlyph, data, pen.X(), pen.Y(), renderMode,
+ &advancex, &advancey);
+ advance = FTPoint(advancex, advancey);
+ return advance;
+ }
+
+ const FTBBox& BBox() const { return baseGlyph->ptr->BBox(); }
+
+ FT_Error Error() const { return baseGlyph->ptr->Error(); }
+
+private:
+ FTPoint advance;
+ FTGLglyph *baseGlyph;
+ void *data;
+ void (*renderCallback) (FTGLglyph *, void *, FTGL_DOUBLE, FTGL_DOUBLE,
+ int, FTGL_DOUBLE *, FTGL_DOUBLE *);
+ void (*destroyCallback) (FTGLglyph *, void *);
+};
+
+C_TOR(ftglCreateCustomGlyph, (FTGLglyph *base, void *data,
+ void (*renderCallback) (FTGLglyph *, void *, FTGL_DOUBLE, FTGL_DOUBLE,
+ int, FTGL_DOUBLE *, FTGL_DOUBLE *),
+ void (*destroyCallback) (FTGLglyph *, void *)),
+ FTCustomGlyph, (base, data, renderCallback, destroyCallback),
+ GLYPH_CUSTOM);
+
+#define C_FUN(cret, cname, cargs, cxxerr, cxxname, cxxarg) \
+ cret cname cargs \
+ { \
+ if(!g || !g->ptr) \
+ { \
+ fprintf(stderr, "FTGL warning: NULL pointer in %s\n", #cname); \
+ cxxerr; \
+ } \
+ return g->ptr->cxxname cxxarg; \
+ }
+
+// FTGlyph::~FTGlyph();
+void ftglDestroyGlyph(FTGLglyph *g)
+{
+ if(!g || !g->ptr)
+ {
+ fprintf(stderr, "FTGL warning: NULL pointer in %s\n", __FUNCTION__);
+ return;
+ }
+ delete g->ptr;
+ free(g);
+}
+
+// const FTPoint& FTGlyph::Render(const FTPoint& pen, int renderMode);
+extern "C++" {
+C_FUN(static const FTPoint&, _ftglRenderGlyph, (FTGLglyph *g,
+ const FTPoint& pen, int renderMode),
+ return static_ftpoint, Render, (pen, renderMode));
+}
+
+void ftglRenderGlyph(FTGLglyph *g, FTGL_DOUBLE penx, FTGL_DOUBLE peny,
+ int renderMode, FTGL_DOUBLE *advancex,
+ FTGL_DOUBLE *advancey)
+{
+ FTPoint pen(penx, peny);
+ FTPoint ret = _ftglRenderGlyph(g, pen, renderMode);
+ *advancex = ret.X();
+ *advancey = ret.Y();
+}
+
+// float FTGlyph::Advance() const;
+C_FUN(float, ftglGetGlyphAdvance, (FTGLglyph *g), return 0.0, Advance, ());
+
+// const FTBBox& FTGlyph::BBox() const;
+extern "C++" {
+C_FUN(static const FTBBox&, _ftglGetGlyphBBox, (FTGLglyph *g),
+ return static_ftbbox, BBox, ());
+}
+
+void ftglGetGlyphBBox(FTGLglyph *g, float bounds[6])
+{
+ FTBBox ret = _ftglGetGlyphBBox(g);
+ FTPoint lower = ret.Lower(), upper = ret.Upper();
+ bounds[0] = lower.Xf(); bounds[1] = lower.Yf(); bounds[2] = lower.Zf();
+ bounds[3] = upper.Xf(); bounds[4] = upper.Yf(); bounds[5] = upper.Zf();
+}
+
+// FT_Error FTGlyph::Error() const;
+C_FUN(FT_Error, ftglGetGlyphError, (FTGLglyph *g), return -1, Error, ());
+
+FTGL_END_C_DECLS
+