84 lines
1.9 KiB
C++
84 lines
1.9 KiB
C++
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#include "FTGLPixmapFont.h"
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#include "FTPixmapGlyph.h"
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FTGLPixmapFont::FTGLPixmapFont( const char* fontFilePath)
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: FTFont( fontFilePath)
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{}
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FTGLPixmapFont::FTGLPixmapFont( const unsigned char *pBufferBytes, size_t bufferSizeInBytes)
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: FTFont( pBufferBytes, bufferSizeInBytes)
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{}
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FTGLPixmapFont::~FTGLPixmapFont()
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{}
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FTGlyph* FTGLPixmapFont::MakeGlyph( unsigned int g)
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{
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FT_GlyphSlot ftGlyph = face.Glyph( g, FT_LOAD_NO_HINTING);
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if( ftGlyph)
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{
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FTPixmapGlyph* tempGlyph = new FTPixmapGlyph( ftGlyph);
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return tempGlyph;
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}
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err = face.Error();
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return NULL;
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}
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void FTGLPixmapFont::Render( const char* string)
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{
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glPushAttrib( GL_ENABLE_BIT | GL_PIXEL_MODE_BIT | GL_COLOR_BUFFER_BIT);
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glPushClientAttrib( GL_CLIENT_PIXEL_STORE_BIT);
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glEnable(GL_BLEND);
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glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glDisable( GL_TEXTURE_2D);
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GLfloat ftglColour[4];
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glGetFloatv( GL_CURRENT_RASTER_COLOR, ftglColour);
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glPixelTransferf(GL_RED_SCALE, ftglColour[0]);
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glPixelTransferf(GL_GREEN_SCALE, ftglColour[1]);
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glPixelTransferf(GL_BLUE_SCALE, ftglColour[2]);
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glPixelTransferf(GL_ALPHA_SCALE, ftglColour[3]);
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FTFont::Render( string);
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glPopClientAttrib();
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glPopAttrib();
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}
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void FTGLPixmapFont::Render( const wchar_t* string)
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{
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glPushAttrib( GL_ENABLE_BIT | GL_PIXEL_MODE_BIT | GL_COLOR_BUFFER_BIT);
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glPushClientAttrib( GL_CLIENT_PIXEL_STORE_BIT);
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glEnable(GL_BLEND);
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glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glDisable( GL_TEXTURE_2D);
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GLfloat ftglColour[4];
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glGetFloatv( GL_CURRENT_RASTER_COLOR, ftglColour);
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glPixelTransferf(GL_RED_SCALE, ftglColour[0]);
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glPixelTransferf(GL_GREEN_SCALE, ftglColour[1]);
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glPixelTransferf(GL_BLUE_SCALE, ftglColour[2]);
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glPixelTransferf(GL_ALPHA_SCALE, ftglColour[3]);
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FTFont::Render( string);
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glPopClientAttrib();
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glPopAttrib();
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}
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