reactos/win32ss/core/gdi/dib/dib32bppc.c

   1 /*
   2  * PROJECT:         Win32 subsystem
   3  * LICENSE:         See COPYING in the top level directory
   4  * FILE:            subsystems/win32/win32k/dib/dib32bppc.c
   5  * PURPOSE:         C language equivalents of asm optimised 32bpp functions
   6  * PROGRAMMERS:     Jason Filby
   7  *                  Magnus Olsen
   8  */
   9
  10 #include <win32k.h>
  11
  12 #define NDEBUG
  13 #include <debug.h>
  14
  15 VOID
  16 DIB_32BPP_HLine(SURFOBJ *SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
  17 {
  18   PBYTE byteaddr = (PBYTE)((ULONG_PTR)SurfObj->pvScan0 + y * SurfObj->lDelta);
  19   PDWORD addr = (PDWORD)byteaddr + x1;
  20   LONG cx = x1;
  21
  22   while(cx < x2)
  23   {
  24     *addr = (DWORD)c;
  25     ++addr;
  26     ++cx;
  27   }
  28 }
  29
  30 BOOLEAN
  31 DIB_32BPP_ColorFill(SURFOBJ* DestSurface, RECTL* DestRect, ULONG color)
  32 {
  33   ULONG DestY;
  34
  35   for (DestY = DestRect->top; DestY< DestRect->bottom; DestY++)
  36   {
  37     DIB_32BPP_HLine (DestSurface, DestRect->left, DestRect->right, DestY, color);
  38   }
  39
  40   return TRUE;
  41 }