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43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
#include "ftref.h"
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#define InterlockedIncrementInt(x) InterlockedIncrement((volatile LONG *)&(x))
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#define InterlockedDecrementInt(x) InterlockedDecrement((volatile LONG *)&(x))
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#define InterlockedExchangeInt(x, y) InterlockedExchange((volatile LONG *)&(x), LONG(y))
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FT_Error FT_Glyph_Ref_Copy( FT_Referenced_Glyph source, FT_Referenced_Glyph *target )
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{
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if (source->refcount<0)
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return 1;
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if (source->ft_glyph->format == FT_GLYPH_FORMAT_NONE)
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return 2;
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InterlockedIncrementInt(source->refcount);
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*target = source;
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return 0;
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}
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void FT_Done_Ref_Glyph( FT_Referenced_Glyph *glyph )
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{
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if (InterlockedDecrementInt((*glyph)->refcount) == 0)
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{
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if ((*glyph)->ft_glyph && (*glyph)->ft_glyph->library)
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FT_Done_Glyph((*glyph)->ft_glyph);
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free(*glyph);
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}
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*glyph = NULL;
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}
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void FT_Glyph_To_Ref_Glyph( FT_Glyph source, FT_Referenced_Glyph *target)
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{
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*target = (FT_Referenced_Glyph)malloc(sizeof(FT_Referenced_GlyphRec));
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(*target)->ft_glyph = source;
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(*target)->refcount = 1;
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}
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FT_Referenced_Glyph New_FT_Ref_Glyph()
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{
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FT_Referenced_Glyph copy = (FT_Referenced_Glyph)malloc(sizeof(FT_Referenced_GlyphRec));
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copy->ft_glyph = NULL;
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copy->refcount = 1;
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return copy;
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}
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