reactos/win32ss/gdi/dib/dib32bppc.c

45 lines
1,003 B
C
Raw Normal View History

/*
* PROJECT: Win32 subsystem
* LICENSE: See COPYING in the top level directory
* FILE: win32ss/gdi/dib/dib32bppc.c
* PURPOSE: C language equivalents of asm optimised 32bpp functions
* PROGRAMMERS: Jason Filby
* Magnus Olsen
*/
#include <win32k.h>
#define NDEBUG
#include <debug.h>
VOID
DIB_32BPP_HLine(SURFOBJ *SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
{
PBYTE byteaddr = (PBYTE)((ULONG_PTR)SurfObj->pvScan0 + y * SurfObj->lDelta);
PDWORD addr = (PDWORD)byteaddr + x1;
LONG cx = x1;
while(cx < x2)
{
*addr = (DWORD)c;
++addr;
++cx;
}
}
BOOLEAN
DIB_32BPP_ColorFill(SURFOBJ* DestSurface, RECTL* DestRect, ULONG color)
{
ULONG DestY;
/* Make WellOrdered by making top < bottom and left < right */
RECTL_vMakeWellOrdered(DestRect);
for (DestY = DestRect->top; DestY< DestRect->bottom; DestY++)
{
DIB_32BPP_HLine (DestSurface, DestRect->left, DestRect->right, DestY, color);
}
return TRUE;
}