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winex11: Move the code that checks for a colortable based dib to a separate function.

This commit is contained in:
Huw Davies 2011-06-06 12:58:42 +01:00 committed by Alexandre Julliard
parent fd2d6f3928
commit 129021a0ab
1 changed files with 18 additions and 6 deletions
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24
dlls/winex11.drv/xrender.c
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@ -1788,6 +1788,22 @@ static int XRenderErrorHandler(Display *dpy, XErrorEvent *event, void *arg)
return 1;
}
/********************************************************************
* is_dib_with_colortable
*
* Return TRUE if physdev is backed by a dibsection with <= 8 bits per pixel
*/
static inline BOOL is_dib_with_colortable( X11DRV_PDEVICE *physDev )
{
DIBSECTION dib;
if( physDev->bitmap && GetObjectW( physDev->bitmap->hbitmap, sizeof(dib), &dib ) == sizeof(dib) &&
dib.dsBmih.biBitCount <= 8 )
return TRUE;
return FALSE;
}
/***********************************************************************
* X11DRV_XRender_ExtTextOut
*/
@ -1803,16 +1819,12 @@ BOOL X11DRV_XRender_ExtTextOut( X11DRV_PDEVICE *physDev, INT x, INT y, UINT flag
HRGN saved_region = 0;
BOOL disable_antialias = FALSE;
AA_Type aa_type = AA_None;
DIBSECTION bmp;
unsigned int idx;
const WineXRenderFormat *dst_format = get_xrender_format_from_color_shifts(physDev->depth, physDev->color_shifts);
Picture tile_pict = 0;
/* Do we need to disable antialiasing because of palette mode? */
if( !physDev->bitmap || GetObjectW( physDev->bitmap->hbitmap, sizeof(bmp), &bmp ) != sizeof(bmp) ) {
TRACE("bitmap is not a DIB\n");
}
else if (bmp.dsBmih.biBitCount <= 8) {
if(is_dib_with_colortable( physDev ))
{
TRACE("Disabling antialiasing\n");
disable_antialias = TRUE;
}