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fixed clipping issue

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svn path=/trunk/; revision=8825
This commit is contained in:
Thomas Bluemel 2004-03-21 10:18:33 +00:00
parent a8f59cffef
commit de1f68d590
1 changed files with 5 additions and 2 deletions
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7
reactos/subsys/win32k/eng/gradient.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: gradient.c,v 1.5 2004/02/24 13:27:02 weiden Exp $ /* $Id: gradient.c,v 1.6 2004/03/21 10:18:33 weiden Exp $
* *
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
@ -274,7 +274,7 @@ IntEngGradientFillRect(
FINITCOL(linefrom, lineto, 2); \ FINITCOL(linefrom, lineto, 2); \
for(g = sx[linefrom]; g != sx[lineto]; g += gxi) \ for(g = sx[linefrom]; g != sx[lineto]; g += gxi) \
{ \ { \
if(g >= FillRect.left && g < FillRect.right) \ if(InY && g >= FillRect.left && g < FillRect.right) \
{ \ { \
Color = XLATEOBJ_iXlate(pxlo, RGB(gc[0], gc[1], gc[2])); \ Color = XLATEOBJ_iXlate(pxlo, RGB(gc[0], gc[1], gc[2])); \
OutputGDI->DIB_PutPixel(OutputObj, g, sy, Color); \ OutputGDI->DIB_PutPixel(OutputObj, g, sy, Color); \
@ -383,6 +383,8 @@ IntEngGradientFillTriangle(
{ {
if(NtGdiIntersectRect(&FillRect, &RectEnum.arcl[i], prclExtents)) if(NtGdiIntersectRect(&FillRect, &RectEnum.arcl[i], prclExtents))
{ {
BOOL InY;
DOINIT(v1, v3, 0); DOINIT(v1, v3, 0);
DOINIT(v1, v2, 1); DOINIT(v1, v2, 1);
DOINIT(v2, v3, 2); DOINIT(v2, v3, 2);
@ -393,6 +395,7 @@ IntEngGradientFillTriangle(
while(sy < bt) while(sy < bt)
{ {
InY = !(sy < FillRect.top || sy >= FillRect.bottom);
GOLINE(v1, v3, 0); GOLINE(v1, v3, 0);
DOLINE(v1, v3, 0); DOLINE(v1, v3, 0);
ENDLINE(v1, v3, 0); ENDLINE(v1, v3, 0);