ApfelTeeSaft/reactos
1
0
Fork 0
mirror of https://github.com/ApfelTeeSaft/reactos.git synced 2026-09-02 19:26:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

Translate pixel value from internal pixel format to RGB. Fixes bug #251.

Browse Source 
svn path=/trunk/; revision=8697
This commit is contained in:
Gé van Geldorp
2004-03-14 00:11:28 +00:00
parent e8cf99cda9
commit cd7fbb8e5c
1 changed files with 32 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
reactos/subsys/win32k/objects/bitmaps.c
+32 -1
View File
@@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: bitmaps.c,v 1.60 2004/03/10 16:55:03 navaraf Exp $ */
/* $Id: bitmaps.c,v 1.61 2004/03/14 00:11:28 gvg Exp $ */
#undef WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <stdlib.h>
@@ -458,6 +458,10 @@ COLORREF STDCALL NtGdiGetPixel(HDC hDC, INT XPos, INT YPos)
COLORREF Result = (COLORREF) 0;
PSURFGDI Surface;
PSURFOBJ SurfaceObject;
HPALETTE Pal;
PPALGDI PalGDI;
USHORT PalMode;
PXLATEOBJ XlateObj = NULL;
dc = DC_LockDc (hDC);
if (dc == NULL)
@@ -480,6 +484,33 @@ COLORREF STDCALL NtGdiGetPixel(HDC hDC, INT XPos, INT YPos)
return (COLORREF)CLR_INVALID;
}
Result = Surface->DIB_GetPixel(SurfaceObject, XPos, YPos);
if (dc->w.hPalette != 0)
{
Pal = dc->w.hPalette;
}
else
{
Pal = NtGdiGetStockObject(DEFAULT_PALETTE);
}
PalGDI = PALETTE_LockPalette(Pal);
if (NULL == PalGDI)
{
DC_UnlockDc(hDC);
return (COLORREF)CLR_INVALID;
}
PalMode = PalGDI->Mode;
PALETTE_UnlockPalette(Pal);
XlateObj = (PXLATEOBJ) IntEngCreateXlate(PAL_RGB, PalMode, NULL, Pal);
if (NULL == XlateObj)
{
DC_UnlockDc(hDC);
return (COLORREF)CLR_INVALID;
}
Result = XLATEOBJ_iXlate(XlateObj, Result);
EngDeleteXlate(XlateObj);
DC_UnlockDc(hDC);
return Result;
}