static void sSetXRRegion()
{
if(UpdateRegionXR)
{
XRenderSetPictureClipRegion(sXDisplay(),XPict,ClipStack[ClipIndex]);
UpdateRegionXR = sFALSE;
}
}
Bool
apc_gp_set_region( Handle self, Handle rgn)
{
DEFXX;
Region region;
PRegionSysData r;
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
if (rgn == nilHandle) {
Rect r;
r. left = 0;
r. bottom = 0;
r. right = XX-> size. x - 1;
r. top = XX-> size. y - 1;
return apc_gp_set_clip_rect( self, r);
}
r = GET_REGION(rgn);
XClipBox( r-> region, &XX-> clip_rect);
XX-> clip_rect. y += XX-> size. y - r-> height;
XX-> clip_mask_extent. x = XX-> clip_rect. width;
XX-> clip_mask_extent. y = XX-> clip_rect. height;
if ( XX-> clip_rect. width == 0 || XX-> clip_rect. height == 0) {
Rect r;
r. left = -1;
r. bottom = -1;
r. right = -1;
r. top = -1;
return apc_gp_set_clip_rect( self, r);
}
region = XCreateRegion();
XUnionRegion( region, r-> region, region);
/* offset region if drawable is buffered */
XOffsetRegion( region, XX-> btransform. x, XX-> size.y - r-> height - XX-> btransform. y);
/* otherwise ( and only otherwise ), and if there's a
X11 clipping, intersect the region with it. X11 clipping
must not mix with the buffer clipping */
if (( !XX-> udrawable || XX-> udrawable == XX-> gdrawable) &&
XX-> paint_region)
XIntersectRegion( region, XX-> paint_region, region);
XSetRegion( DISP, XX-> gc, region);
if ( XX-> flags. kill_current_region)
XDestroyRegion( XX-> current_region);
XX-> flags. kill_current_region = 1;
XX-> current_region = region;
XX-> flags. xft_clip = 0;
#ifdef USE_XFT
if ( XX-> xft_drawable) prima_xft_update_region( self);
#endif
#ifdef HAVE_X11_EXTENSIONS_XRENDER_H
if ( XX-> argb_picture ) XRenderSetPictureClipRegion(DISP, XX->argb_picture, region);
#endif
return true;
}
Bool
XftDrawSetClip (XftDraw *draw,
Region r)
{
Region n = 0;
if (!r && !draw->clip)
return True;
if (r)
{
n = XCreateRegion ();
if (n)
{
if (!XUnionRegion (n, r, n))
{
XDestroyRegion (n);
return False;
}
}
}
if (draw->clip)
{
XDestroyRegion (draw->clip);
}
draw->clip = n;
if (draw->render_able)
{
XRenderPictureAttributes pa;
if (n)
{
XRenderSetPictureClipRegion (draw->dpy, draw->render.pict, n);
}
else
{
pa.clip_mask = None;
XRenderChangePicture (draw->dpy, draw->render.pict,
CPClipMask, &pa);
}
}
if (draw->core_set)
{
XGCValues gv;
if (n)
XSetRegion (draw->dpy, draw->core.draw_gc, n);
else
{
gv.clip_mask = None;
XChangeGC (draw->dpy, draw->core.draw_gc,
GCClipMask, &gv);
}
}
return True;
}
Bool
apc_gp_set_clip_rect( Handle self, Rect clipRect)
{
DEFXX;
Region region;
XRectangle r;
if ( !XF_IN_PAINT(XX))
return false;
SORT( clipRect. left, clipRect. right);
SORT( clipRect. bottom, clipRect. top);
r. x = clipRect. left;
r. y = REVERT( clipRect. top);
r. width = clipRect. right - clipRect. left+1;
r. height = clipRect. top - clipRect. bottom+1;
XX-> clip_rect = r;
XX-> clip_mask_extent. x = r. width;
XX-> clip_mask_extent. y = r. height;
region = XCreateRegion();
XUnionRectWithRegion( &r, region, region);
if ( XX-> paint_region)
XIntersectRegion( region, XX-> paint_region, region);
if ( XX-> btransform. x != 0 || XX-> btransform. y != 0) {
XOffsetRegion( region, XX-> btransform. x, -XX-> btransform. y);
}
XSetRegion( DISP, XX-> gc, region);
if ( XX-> flags. kill_current_region)
XDestroyRegion( XX-> current_region);
XX-> flags. kill_current_region = 1;
XX-> current_region = region;
XX-> flags. xft_clip = 0;
#ifdef USE_XFT
if ( XX-> xft_drawable) prima_xft_update_region( self);
#endif
#ifdef HAVE_X11_EXTENSIONS_XRENDER_H
if ( XX-> argb_picture ) XRenderSetPictureClipRegion(DISP, XX->argb_picture, region);
#endif
return true;
}
Bool
XftDrawRenderPrepare (XftDraw *draw,
XftColor *color,
XftFont *font,
int src)
{
if (!draw->render_set)
{
XRenderPictFormat *format;
XRenderPictFormat *pix_format;
XRenderPictureAttributes pa;
int n;
Pixmap pix;
draw->render_set = True;
draw->render_able = False;
format = _XftDrawFormat (draw);
pix_format = _XftDrawFgFormat (draw);
if (format && pix_format)
{
draw->render_able = True;
draw->render.pict = XRenderCreatePicture (draw->dpy, draw->drawable,
format, 0, 0);
for (n = 0; n < XFT_DRAW_N_SRC; n++)
{
pix = XCreatePixmap (draw->dpy, draw->drawable,
1, 1, pix_format->depth);
pa.repeat = True;
draw->render.src[n].pict = XRenderCreatePicture (draw->dpy,
pix,
pix_format,
CPRepeat, &pa);
XFreePixmap (draw->dpy, pix);
draw->render.src[n].color = color->color;
XRenderFillRectangle (draw->dpy, PictOpSrc,
draw->render.src[n].pict,
&color->color, 0, 0, 1, 1);
}
if (draw->clip)
XRenderSetPictureClipRegion (draw->dpy, draw->render.pict,
draw->clip);
}
}
if (!draw->render_able)
return False;
if (memcmp (&color->color, &draw->render.src[src].color,
sizeof (XRenderColor)))
{
if (_XftFontDebug () & XFT_DBG_DRAW)
{
printf ("Switching to color %04x,%04x,%04x,%04x\n",
color->color.alpha,
color->color.red,
color->color.green,
color->color.blue);
}
XRenderFillRectangle (draw->dpy, PictOpSrc,
draw->render.src[src].pict,
&color->color, 0, 0, 1, 1);
draw->render.src[src].color = color->color;
}
return True;
}
