45 lines
1020 B
C++
45 lines
1020 B
C++
|
#include<hgl/graph/font/TileFont.h>
|
||
|
|
#include<hgl/graph/vulkan/VKDevice.h>
|
||
|
|
|
||
|
|
namespace hgl
|
||
|
|
{
|
||
|
|
namespace graph
|
||
|
|
{
|
||
|
|
FontSource *AcquireFontSource(const Font &f);
|
||
|
|
}//namespace graph
|
||
|
|
}//namespace hgl
|
||
|
|
|
||
|
|
VK_NAMESPACE_BEGIN
|
||
|
|
/**
|
||
|
|
* 创建只使用一种字符的Tile字符管理对象
|
||
|
|
* @param f 字体需求信息
|
||
|
|
* @param limit_count 缓冲字符数量上限
|
||
|
|
*/
|
||
|
|
TileFont *Device::CreateTileFont(const Font &f,int limit_count)
|
||
|
|
{
|
||
|
|
int height=(f.height+3)>>2;
|
||
|
|
|
||
|
|
height<<=2; //保证可以被4整除
|
||
|
|
height+=2; //上下左右各空一个象素
|
||
|
|
|
||
|
|
if(limit_count<=0)
|
||
|
|
{
|
||
|
|
const VkExtent2D &ext=GetSwapchainSize();
|
||
|
|
|
||
|
|
limit_count=(ext.width/height)*(ext.height/height); //按全屏幕放满不一样的字符为上限
|
||
|
|
}
|
||
|
|
|
||
|
|
FontSource *fs=AcquireFontSource(f);
|
||
|
|
|
||
|
|
if(!fs)
|
||
|
|
return(nullptr);
|
||
|
|
|
||
|
|
TileData *td=CreateTileData(UFMT_R8,height,height,limit_count);
|
||
|
|
|
||
|
|
if(!td)
|
||
|
|
return nullptr;
|
||
|
|
|
||
|
|
return(new TileFont(td,fs));
|
||
|
|
}
|
||
|
|
VK_NAMESPACE_END
|