103 lines
3.5 KiB
C++
103 lines
3.5 KiB
C++
#include<hgl/graph/font/FontSource.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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void FontSource::RefAcquire(void *ptr)
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{
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if(!ptr)return;
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ref_object.Add(ptr);
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return;
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}
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void FontSource::RefRelease(void *ptr)
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{
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if(!ptr)return;
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ref_object.Delete(ptr);
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}
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namespace
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{
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constexpr u32char BeginSymbols []=U32_TEXT("!),❟.:;?]}¨·ˇˉ―‖’❜”„❞…∶、。〃々❯〉》」』】〕〗！＂＇），．：；？］｀｜｝～»›"); //行首禁用符号
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constexpr u32char EndSymbols []=U32_TEXT("([{·❛‘“‟❝❮〈《「『【〔〖（．［｛«‹"); //行尾禁用符号
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constexpr u32char CurrencySymbols []=U32_TEXT("₳฿₿￠₡¢₢₵₫€￡£₤₣ƒ₲₭Ł₥₦₽₱＄$₮ℳ₶₩￦¥￥₴₸¤₰៛₪₯₠₧﷼㍐원৳₹₨৲௹"); //货币符号
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constexpr u32char VRotateSymbols []=U32_TEXT("()[]{}〈〉《》「」『』【】〔〕〖〗（）［］｛｝―‖…∶｜～"); //竖排必须旋转的符号
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constexpr int BeginSymbolsCount =(sizeof(BeginSymbols) /sizeof(u32char))-1;
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constexpr int EndSymbolsCount =(sizeof(EndSymbols) /sizeof(u32char))-1;
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constexpr int CurrencySymbolsCount=(sizeof(CurrencySymbols)/sizeof(u32char))-1;
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constexpr int VRotateSymbolsCount =(sizeof(VRotateSymbols) /sizeof(u32char))-1;
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ObjectMap<u32char,CharAttributes> all_char_attrs;
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}//namespace
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const CLA *FontSource::GetCLA(const u32char &ch)
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{
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CLA *cla;
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if(cla_cache.Get(ch,cla))
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return cla;
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CharAttributes *attr;
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const int pos=all_char_attrs.GetValueAndSerial(ch,attr);
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if(pos<0)
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{
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attr=new CharAttributes;
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attr->ch=ch;
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attr->space=hgl::isspace(ch);
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if(!attr->space)
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{
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attr->begin_disable =hgl::strchr(BeginSymbols, ch,BeginSymbolsCount );
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attr->end_disable =hgl::strchr(EndSymbols, ch,EndSymbolsCount );
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attr->is_currency =hgl::strchr(CurrencySymbols, ch,CurrencySymbolsCount );
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if(!attr->end_disable)
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attr->end_disable =attr->is_currency; //货币符号同样行尾禁用
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attr->vrotate =hgl::strchr(VRotateSymbols, ch,VRotateSymbolsCount );
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attr->is_cjk =isCJK(ch);
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attr->is_emoji =isEmoji(ch);
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attr->is_punctuation=isPunctuation(ch);
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}
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all_char_attrs.Add(ch,attr);
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}
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cla=new CLA;
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cla->attr=attr;
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if(!attr->space)
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{
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if(!GetCharMetrics(cla->metrics,ch))
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{
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cla->visible=false;
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hgl_zero(cla->metrics);
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}
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else
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{
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cla->visible=(cla->metrics.w>0&&cla->metrics.h>0);
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}
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}
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else
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{
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cla->visible=false;
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}
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cla_cache.Add(ch,cla);
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return cla;
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}
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}//namespace graph
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}//namespace hgl
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