42 lines
1.0 KiB
C++
42 lines
1.0 KiB
C++
#include<hgl/graph/font/TileFont.h>
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#include<hgl/graph/RenderFramework.h>
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#include<hgl/graph/module/TextureManager.h>
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#include<hgl/graph/module/SwapchainModule.h>
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VK_NAMESPACE_BEGIN
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/**
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* 创建只使用一种字符的Tile字符管理对象
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* @param f 字体需求信息
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* @param limit_count 缓冲字符数量上限
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*/
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TileFont *RenderFramework::CreateTileFont(FontSource *fs,int limit_count)
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{
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if(!fs)return(nullptr);
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const uint32_t height=hgl_align_pow2(fs->GetCharHeight()+2,4); //上下左右各空一个象素，并保证可以被4整除
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if(limit_count<=0)
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{
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VkExtent2D ext;
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if(!sc_module->GetSwapchainSize(&ext))
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{
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ext.width=1920;
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ext.height=1080;
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}
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limit_count=(ext.width/height)*(ext.height/height); //按全屏幕放满不一样的字符为上限
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}
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if(!fs)
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return(nullptr);
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TileData *td=tex_manager->CreateTileData(UPF_R8,height,height,limit_count);
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if(!td)
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return nullptr;
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return(new TileFont(td,fs));
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}
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VK_NAMESPACE_END
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