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Added DIB/pixmap synchronization for {Get,Set}Pixel.

This commit is contained in:
François Gouget 2001-02-16 19:38:50 +00:00 committed by Alexandre Julliard
parent d9280fed84
commit 4e92e6533b
1 changed files with 14 additions and 4 deletions
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18
graphics/x11drv/graphics.c
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@ -864,15 +864,18 @@ X11DRV_SetPixel( DC *dc, INT x, INT y, COLORREF color )
x = dc->DCOrgX + INTERNAL_XWPTODP( dc, x, y );
y = dc->DCOrgY + INTERNAL_YWPTODP( dc, x, y );
pixel = X11DRV_PALETTE_ToPhysical( dc, color );
/* Update the pixmap from the DIB section */
X11DRV_LockDIBSection(dc, DIB_Status_GdiMod, FALSE);
/* inefficient but simple... */
TSXSetForeground( display, physDev->gc, pixel );
TSXSetFunction( display, physDev->gc, GXcopy );
TSXDrawPoint( display, physDev->drawable, physDev->gc, x, y );
/* inefficient but simple... */
/* Update the DIBSection from the pixmap */
X11DRV_UnlockDIBSection(dc, TRUE);
/* FIXME: the DIBSection pixel should be updated too */
return X11DRV_PALETTE_ToLogical(pixel);
}
@ -888,6 +891,9 @@ X11DRV_GetPixel( DC *dc, INT x, INT y )
int pixel;
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
/* Update the pixmap from the DIB section */
X11DRV_LockDIBSection(dc, DIB_Status_GdiMod, FALSE);
x = dc->DCOrgX + INTERNAL_XWPTODP( dc, x, y );
y = dc->DCOrgY + INTERNAL_YWPTODP( dc, x, y );
wine_tsx11_lock();
@ -909,6 +915,10 @@ X11DRV_GetPixel( DC *dc, INT x, INT y )
pixel = XGetPixel( image, 0, 0 );
XDestroyImage( image );
wine_tsx11_unlock();
/* Update the DIBSection from the pixmap */
X11DRV_UnlockDIBSection(dc, FALSE);
return X11DRV_PALETTE_ToLogical(pixel);
}