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WIN32K: little work on Set/GetPixel (I don't know how to actually get/set a pixel value).

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svn path=/trunk/; revision=5713
This commit is contained in:
Emanuele Aliberti 2003-08-20 20:45:28 +00:00
parent bbb8de1530
commit 92f4c1b15d
1 changed files with 43 additions and 4 deletions
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47
reactos/subsys/win32k/objects/bitmaps.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ */
/* $Id: bitmaps.c,v 1.34 2003/08/20 07:45:02 gvg Exp $ */ /* $Id: bitmaps.c,v 1.35 2003/08/20 20:45:28 ea Exp $ */
#undef WIN32_LEAN_AND_MEAN #undef WIN32_LEAN_AND_MEAN
#include <windows.h> #include <windows.h>
#include <stdlib.h> #include <stdlib.h>
@ -31,6 +31,9 @@
#define NDEBUG #define NDEBUG
#include <win32k/debug1.h> #include <win32k/debug1.h>
//FIXME: where should CLR_INVALID be defined?
#define CLR_INVALID 0xffffffff
BOOL STDCALL NtGdiBitBlt(HDC hDCDest, BOOL STDCALL NtGdiBitBlt(HDC hDCDest,
INT XDest, INT XDest,
INT YDest, INT YDest,
@ -323,7 +326,17 @@ COLORREF STDCALL NtGdiGetPixel(HDC hDC,
INT XPos, INT XPos,
INT YPos) INT YPos)
{ {
UNIMPLEMENTED; PDC dc = NULL;
COLORREF cr = (COLORREF) 0;
dc = DC_LockDc (hDC);
if (NULL == dc)
{
return (COLORREF) CLR_INVALID;
}
//FIXME: get actual pixel RGB value
DC_UnlockDc (hDC);
return cr;
} }
BOOL STDCALL NtGdiMaskBlt(HDC hDCDest, BOOL STDCALL NtGdiMaskBlt(HDC hDCDest,
@ -449,6 +462,8 @@ BOOL STDCALL NtGdiSetBitmapDimensionEx(HBITMAP hBitmap,
bmp->size.cx = Width; bmp->size.cx = Width;
bmp->size.cy = Height; bmp->size.cy = Height;
BITMAPOBJ_UnlockBitmap (hBitmap);
return TRUE; return TRUE;
} }
@ -457,7 +472,12 @@ COLORREF STDCALL NtGdiSetPixel(HDC hDC,
INT Y, INT Y,
COLORREF Color) COLORREF Color)
{ {
UNIMPLEMENTED; if(NtGdiSetPixelV(hDC,X,Y,Color))
{
COLORREF cr = NtGdiGetPixel(hDC,X,Y);
if(CLR_INVALID != cr) return(cr);
}
return ((COLORREF) -1);
} }
BOOL STDCALL NtGdiSetPixelV(HDC hDC, BOOL STDCALL NtGdiSetPixelV(HDC hDC,
@ -465,7 +485,26 @@ BOOL STDCALL NtGdiSetPixelV(HDC hDC,
INT Y, INT Y,
COLORREF Color) COLORREF Color)
{ {
UNIMPLEMENTED; PDC dc = NULL;
PBITMAPOBJ bmp = NULL;
BITMAP bm;
dc = DC_LockDc (hDC);
if(NULL == dc)
{
return(FALSE);
}
bmp = BITMAPOBJ_LockBitmap (dc->w.hBitmap);
if(NULL == bmp)
{
DC_UnlockDc (hDC);
return(FALSE);
}
bm = bmp->bitmap;
//FIXME: set the actual pixel value
BITMAPOBJ_UnlockBitmap (bmp);
DC_UnlockDc (hDC);
return(TRUE);
} }
BOOL STDCALL NtGdiStretchBlt(HDC hDCDest, BOOL STDCALL NtGdiStretchBlt(HDC hDCDest,