Usermode/AxWin3 - Added window invalidation, sub-windows render now

[tpg/acess2.git] / Usermode / Applications / axwin3_src / WM / video.c

diff --git a/Usermode/Applications/axwin3_src/WM/video.c b/Usermode/Applications/axwin3_src/WM/video.c
index 6a400a8..10bd198 100644 (file)
--- a/Usermode/Applications/axwin3_src/WM/video.c
+++ b/Usermode/Applications/axwin3_src/WM/video.c
@@ -136,11 +136,14 @@ void Video_Blit(uint32_t *Source, short DstX, short DstY, short W, short H)
 
        _SysDebug("Video_Blit: (%p (%i, %i) %ix%i)", Source, DstX, DstY, W, H);
        
+       if( DstX >= giScreenWidth)      return ;
+       if( DstY >= giScreenHeight)     return ;
        // TODO: Handle -ve X/Y by clipping
        if( DstX < 0 || DstY < 0 )      return ;
        // TODO: Handle out of bounds by clipping too
        if( DstX + W > giScreenWidth )  return;
-       if( DstY + H > giScreenHeight ) return;
+       if( DstY + H > giScreenHeight )
+               H = giScreenWidth - DstY;
 
        if( W <= 0 || H <= 0 )  return;