37 lines
674 B
C++
37 lines
674 B
C++
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#include<hgl/graph/font/FontBitmapCache.h>
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namespace hgl
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{
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namespace graph
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{
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FontBitmapCache::Bitmap *FontBitmapCache::GetCharBitmap(const u32char &ch)
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{
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if(!this)
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return(nullptr);
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if(hgl::isspace(ch))return(nullptr); //不能显示的数据或是空格
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FontBitmapCache::Bitmap *bmp;
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if(chars_bitmap.Get(ch,bmp))
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return bmp;
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bmp=new FontBitmapCache::Bitmap;
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memset(bmp,0,sizeof(FontBitmapCache::Bitmap));
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if(!MakeCharBitmap(bmp,ch))
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{
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delete bmp;
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chars_bitmap.Add(ch,nullptr);
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return(nullptr);
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}
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else
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{
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chars_bitmap.Add(ch,bmp);
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return bmp;
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}
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}
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}//namespace graph
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}//namespace hgl
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