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initial commit. This is icculus version 5542b94cae02a6333845854bbbd1abe0a259f1a4

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fgenesis 2011-08-03 22:05:33 +02:00
commit 3096eaf5e2
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66
ExternalLibs/FTGL/src/FTBitmapGlyph.cpp Normal file
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#include <string>
#include "FTBitmapGlyph.h"
FTBitmapGlyph::FTBitmapGlyph( FT_GlyphSlot glyph)
: FTGlyph( 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);
}
FTBitmapGlyph::~FTBitmapGlyph()
{
delete [] data;
}
const FTPoint& FTBitmapGlyph::Render( const FTPoint& pen)
{
glBitmap( 0, 0, 0.0f, 0.0f, pen.X() + pos.X(), pen.Y() - pos.Y(), (const GLubyte*)0 );
if( data)
{
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, -pos.X(), pos.Y(), (const GLubyte*)0 );
return advance;
}