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added DrawMonoBitmap in Bitmap<>

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HuYingzhuo(hugo/hyzboy) 2023-07-11 19:51:24 +08:00
parent c41cd9283d
commit d7f93c7526
1 changed files with 40 additions and 2 deletions
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42
inc/hgl/2d/DrawGeometry.h
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@ -126,7 +126,7 @@ namespace hgl
for(int y=t;y<t+h;y++)
{
for(int i=0;i<length;i++)
*p++=(*blend)Blend(draw_color,*p,alpha);
*p++=(*blend)(draw_color,*p,alpha);
p+=width-w;
}
@ -153,7 +153,7 @@ namespace hgl
for(int i=0;i<length;i++)
{
*p=(*blend)Blend(draw_color,*p,alpha);
*p=(*blend)(draw_color,*p,alpha);
p+=line_bytes;
}
@ -440,6 +440,44 @@ namespace hgl
}
free(xy);
}
void DrawMonoBitmap(const int left,const int top,const uint8 *data,const int w,const int h)
{
if(!data)return;
if(left<0||left>=bitmap->GetWidth()-w)return;
if(top<0||top>=bitmap->GetHeight()-h)return;
const uint8 *sp=data;
uint8 bit;
T *tp=bitmap->GetData(left,top);
const uint line_wrap=bitmap->GetWidth()-w;
bit=1<<7;
for(int row=0;row<h;row++)
{
for(int col=0;col<w;col++)
{
if(*sp&bit)
{
*tp=(*blend)(draw_color,*tp,alpha);
}
++tp;
bit>>=1;
if(bit==0)
{
++sp;
bit=1<<7;
}
}
tp+=line_wrap;
}
}
};//template<typename T,uint CHANNELS> class DrawGeometry
}//namespace bitmap
}//namespace hgl