54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
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#ifndef HGL_GRAPH_FONT_BITMAP_CACHE_INCLUDE
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#define HGL_GRAPH_FONT_BITMAP_CACHE_INCLUDE
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#include<hgl/type/StrChar.h>
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#include<hgl/type/Map.h>
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#include<hgl/graph/font/Font.h>
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using namespace hgl;
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namespace hgl
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{
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namespace graph
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{
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/**
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* 文本位图缓冲
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*/
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class FontBitmapCache
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{
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/**
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* 字体位图数据
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*/
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struct Bitmap
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{
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int count; //使用次数
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int x,y; //图像显示偏移
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int w,h; //图像尺寸
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int adv_x,adv_y;//字符尺寸
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uint8 *data;
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};//struct Bitmap
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protected:
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Font fnt;
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MapObject<u32char,FontBitmapCache::Bitmap> chars_bitmap; ///<字符位图
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protected:
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virtual bool MakeCharBitmap(FontBitmapCache::Bitmap *,u32char)=0; ///<产生字体数据
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virtual int GetLineHeight()const=0; ///<取得行高
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public:
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FontBitmapCache(const Font &f){fnt=f;}
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virtual ~FontBitmapCache()=default;
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FontBitmapCache::Bitmap *GetCharBitmap(const u32char &); ///<取得字符位图数据
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};//class FontBitmapCache
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}//namespace graph
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}//namespace hgl
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#endif//HGL_GRAPH_FONT_BITMAP_CACHE_INCLUDE
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