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Diffstat (limited to 'src/ftgl/FTGlyph/FTBitmapGlyph.cpp')
-rw-r--r--src/ftgl/FTGlyph/FTBitmapGlyph.cpp128
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diff --git a/src/ftgl/FTGlyph/FTBitmapGlyph.cpp b/src/ftgl/FTGlyph/FTBitmapGlyph.cpp
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+++ b/src/ftgl/FTGlyph/FTBitmapGlyph.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 <string>
+
+#include "FTGL/ftgl.h"
+
+#include "FTInternals.h"
+#include "FTBitmapGlyphImpl.h"
+
+
+//
+// FTGLBitmapGlyph
+//
+
+
+FTBitmapGlyph::FTBitmapGlyph(FT_GlyphSlot glyph) :
+ FTGlyph(new FTBitmapGlyphImpl(glyph))
+{}
+
+
+FTBitmapGlyph::~FTBitmapGlyph()
+{}
+
+
+const FTPoint& FTBitmapGlyph::Render(const FTPoint& pen, int renderMode)
+{
+ FTBitmapGlyphImpl *myimpl = dynamic_cast<FTBitmapGlyphImpl *>(impl);
+ return myimpl->RenderImpl(pen, renderMode);
+}
+
+
+//
+// FTGLBitmapGlyphImpl
+//
+
+
+FTBitmapGlyphImpl::FTBitmapGlyphImpl(FT_GlyphSlot glyph)
+: FTGlyphImpl(glyph),
+ destWidth(0),
+ destHeight(0),
+ data(0)
+{
+ err = FT_Render_Glyph(glyph, FT_RENDER_MODE_MONO);
+ if(err || ft_glyph_format_bitmap != glyph->format)
+ {
+ return;
+ }
+
+ FT_Bitmap bitmap = glyph->bitmap;
+
+ unsigned int srcWidth = bitmap.width;
+ unsigned int srcHeight = bitmap.rows;
+ unsigned int srcPitch = bitmap.pitch;
+
+ destWidth = srcWidth;
+ destHeight = srcHeight;
+ destPitch = srcPitch;
+
+ if(destWidth && destHeight)
+ {
+ data = new unsigned char[destPitch * destHeight];
+ unsigned char* dest = data + ((destHeight - 1) * destPitch);
+
+ unsigned char* src = bitmap.buffer;
+
+ for(unsigned int y = 0; y < srcHeight; ++y)
+ {
+ memcpy(dest, src, srcPitch);
+ dest -= destPitch;
+ src += srcPitch;
+ }
+ }
+
+ pos = FTPoint(glyph->bitmap_left, static_cast<int>(srcHeight) - glyph->bitmap_top, 0.0);
+}
+
+
+FTBitmapGlyphImpl::~FTBitmapGlyphImpl()
+{
+ delete [] data;
+}
+
+
+const FTPoint& FTBitmapGlyphImpl::RenderImpl(const FTPoint& pen, int renderMode)
+{
+ if(data)
+ {
+ float dx, dy;
+
+ dx = pen.Xf() + pos.Xf();
+ dy = pen.Yf() - pos.Yf();
+
+ glBitmap(0, 0, 0.0f, 0.0f, dx, dy, (const GLubyte*)0);
+ glPixelStorei(GL_UNPACK_ROW_LENGTH, destPitch * 8);
+ glBitmap(destWidth, destHeight, 0.0f, 0.0, 0.0, 0.0,
+ (const GLubyte*)data);
+ glBitmap(0, 0, 0.0f, 0.0f, -dx, -dy, (const GLubyte*)0);
+ }
+
+ return advance;
+}
+