gtk2/gdk/x11/gdkdrawable-x11.c
Owen Taylor 42634ee735 Redo Xft support to go directly to Picture objects instead of using
Mon Nov  5 12:46:44 2001  Owen Taylor  <otaylor@redhat.com>

	* gdk/x11/gdkdrawable-x11.[ch] gdk/x11/gdkgc-x11.c
	gdk/x11/gdkpixmap-x11.c gdk/x11/gdkprivate-x11.h
	gdk/x11/gdkwindow-x11.c: Redo Xft support to go
	directly to Picture objects instead of using XftDraw.
	This fixes the problem where we weren't able to
	properly destroy XftDraw objects before destroying
	the accompanying windows, and probably improves
	efficiency a bit too. (#50214)
2001-11-05 17:48:58 +00:00

755 lines
20 KiB
C

/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "gdkx.h"
#include "gdkregion-generic.h"
#include <pango/pangox.h>
#include <config.h>
#if HAVE_XFT
#include <pango/pangoxft.h>
#endif
#include <stdlib.h>
#if defined (HAVE_IPC_H) && defined (HAVE_SHM_H) && defined (HAVE_XSHM_H)
#define USE_SHM
#endif
#ifdef USE_SHM
#include <X11/extensions/XShm.h>
#endif /* USE_SHM */
#include "gdkprivate-x11.h"
#include "gdkdrawable-x11.h"
#include "gdkpixmap-x11.h"
static void gdk_x11_draw_rectangle (GdkDrawable *drawable,
GdkGC *gc,
gint filled,
gint x,
gint y,
gint width,
gint height);
static void gdk_x11_draw_arc (GdkDrawable *drawable,
GdkGC *gc,
gint filled,
gint x,
gint y,
gint width,
gint height,
gint angle1,
gint angle2);
static void gdk_x11_draw_polygon (GdkDrawable *drawable,
GdkGC *gc,
gint filled,
GdkPoint *points,
gint npoints);
static void gdk_x11_draw_text (GdkDrawable *drawable,
GdkFont *font,
GdkGC *gc,
gint x,
gint y,
const gchar *text,
gint text_length);
static void gdk_x11_draw_text_wc (GdkDrawable *drawable,
GdkFont *font,
GdkGC *gc,
gint x,
gint y,
const GdkWChar *text,
gint text_length);
static void gdk_x11_draw_drawable (GdkDrawable *drawable,
GdkGC *gc,
GdkPixmap *src,
gint xsrc,
gint ysrc,
gint xdest,
gint ydest,
gint width,
gint height);
static void gdk_x11_draw_points (GdkDrawable *drawable,
GdkGC *gc,
GdkPoint *points,
gint npoints);
static void gdk_x11_draw_segments (GdkDrawable *drawable,
GdkGC *gc,
GdkSegment *segs,
gint nsegs);
static void gdk_x11_draw_lines (GdkDrawable *drawable,
GdkGC *gc,
GdkPoint *points,
gint npoints);
static void gdk_x11_draw_glyphs (GdkDrawable *drawable,
GdkGC *gc,
PangoFont *font,
gint x,
gint y,
PangoGlyphString *glyphs);
static void gdk_x11_draw_image (GdkDrawable *drawable,
GdkGC *gc,
GdkImage *image,
gint xsrc,
gint ysrc,
gint xdest,
gint ydest,
gint width,
gint height);
static void gdk_x11_set_colormap (GdkDrawable *drawable,
GdkColormap *colormap);
static GdkColormap* gdk_x11_get_colormap (GdkDrawable *drawable);
static gint gdk_x11_get_depth (GdkDrawable *drawable);
static GdkVisual* gdk_x11_get_visual (GdkDrawable *drawable);
static void gdk_drawable_impl_x11_class_init (GdkDrawableImplX11Class *klass);
static void gdk_drawable_impl_x11_finalize (GObject *object);
static gpointer parent_class = NULL;
GType
_gdk_drawable_impl_x11_get_type (void)
{
static GType object_type = 0;
if (!object_type)
{
static const GTypeInfo object_info =
{
sizeof (GdkDrawableImplX11Class),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gdk_drawable_impl_x11_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GdkDrawableImplX11),
0, /* n_preallocs */
(GInstanceInitFunc) NULL,
};
object_type = g_type_register_static (GDK_TYPE_DRAWABLE,
"GdkDrawableImplX11",
&object_info, 0);
}
return object_type;
}
static void
gdk_drawable_impl_x11_class_init (GdkDrawableImplX11Class *klass)
{
GdkDrawableClass *drawable_class = GDK_DRAWABLE_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = gdk_drawable_impl_x11_finalize;
drawable_class->create_gc = _gdk_x11_gc_new;
drawable_class->draw_rectangle = gdk_x11_draw_rectangle;
drawable_class->draw_arc = gdk_x11_draw_arc;
drawable_class->draw_polygon = gdk_x11_draw_polygon;
drawable_class->draw_text = gdk_x11_draw_text;
drawable_class->draw_text_wc = gdk_x11_draw_text_wc;
drawable_class->draw_drawable = gdk_x11_draw_drawable;
drawable_class->draw_points = gdk_x11_draw_points;
drawable_class->draw_segments = gdk_x11_draw_segments;
drawable_class->draw_lines = gdk_x11_draw_lines;
drawable_class->draw_glyphs = gdk_x11_draw_glyphs;
drawable_class->draw_image = gdk_x11_draw_image;
drawable_class->set_colormap = gdk_x11_set_colormap;
drawable_class->get_colormap = gdk_x11_get_colormap;
drawable_class->get_depth = gdk_x11_get_depth;
drawable_class->get_visual = gdk_x11_get_visual;
drawable_class->get_image = _gdk_x11_get_image;
}
static void
gdk_drawable_impl_x11_finalize (GObject *object)
{
gdk_drawable_set_colormap (GDK_DRAWABLE (object), NULL);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
#ifdef HAVE_XFT
static Picture
gdk_x11_drawable_get_picture (GdkDrawable *drawable)
{
GdkDrawableImplX11 *impl = GDK_DRAWABLE_IMPL_X11 (drawable);
if (impl->picture == None)
{
GdkVisual *visual = gdk_drawable_get_visual (drawable);
XRenderPictFormat *format;
if (!visual)
{
g_warning ("Using Xft rendering requires the drawable argument to\n"
"have a specified colormap. All windows have a colormap,\n"
"however, pixmaps only have colormap by default if they\n"
"were created with a non-NULL window argument. Otherwise\n"
"a colormap must be set on them with gdk_drawable_set_colormap");
return None;
}
format = XRenderFindVisualFormat (impl->xdisplay, GDK_VISUAL_XVISUAL (visual));
impl->picture = XRenderCreatePicture (impl->xdisplay, impl->xid, format, 0, NULL);
}
return impl->picture;
}
static void
gdk_x11_drawable_update_picture_clip (GdkDrawable *drawable,
GdkGC *gc)
{
GdkGCX11 *gc_private = GDK_GC_X11 (gc);
GdkDrawableImplX11 *impl = GDK_DRAWABLE_IMPL_X11 (drawable);
Picture picture = gdk_x11_drawable_get_picture (drawable);
if (gc_private->clip_region)
{
GdkRegionBox *boxes = gc_private->clip_region->rects;
gint n_boxes = gc_private->clip_region->numRects;
XRectangle *rects = g_new (XRectangle, n_boxes);
int i;
for (i=0; i < n_boxes; i++)
{
rects[i].x = CLAMP (boxes[i].x1 + gc->clip_x_origin, G_MINSHORT, G_MAXSHORT);
rects[i].y = CLAMP (boxes[i].y1 + gc->clip_y_origin, G_MINSHORT, G_MAXSHORT);
rects[i].width = CLAMP (boxes[i].x2 + gc->clip_x_origin, G_MINSHORT, G_MAXSHORT) - rects[i].x;
rects[i].height = CLAMP (boxes[i].y2 + gc->clip_y_origin, G_MINSHORT, G_MAXSHORT) - rects[i].y;
}
XRenderSetPictureClipRectangles (impl->xdisplay, picture, 0, 0, rects, n_boxes);
g_free (rects);
}
else
{
XRenderPictureAttributes pa;
pa.clip_mask = None;
XRenderChangePicture (impl->xdisplay, picture, CPClipMask, &pa);
}
}
#endif
/*****************************************************
* X11 specific implementations of generic functions *
*****************************************************/
static GdkColormap*
gdk_x11_get_colormap (GdkDrawable *drawable)
{
GdkDrawableImplX11 *impl;
impl = GDK_DRAWABLE_IMPL_X11 (drawable);
return impl->colormap;
}
static void
gdk_x11_set_colormap (GdkDrawable *drawable,
GdkColormap *colormap)
{
GdkDrawableImplX11 *impl;
impl = GDK_DRAWABLE_IMPL_X11 (drawable);
if (impl->colormap == colormap)
return;
if (impl->colormap)
gdk_colormap_unref (impl->colormap);
impl->colormap = colormap;
if (impl->colormap)
gdk_colormap_ref (impl->colormap);
}
/* Drawing
*/
static void
gdk_x11_draw_rectangle (GdkDrawable *drawable,
GdkGC *gc,
gint filled,
gint x,
gint y,
gint width,
gint height)
{
GdkDrawableImplX11 *impl;
impl = GDK_DRAWABLE_IMPL_X11 (drawable);
if (filled)
XFillRectangle (impl->xdisplay, impl->xid,
GDK_GC_GET_XGC (gc), x, y, width, height);
else
XDrawRectangle (impl->xdisplay, impl->xid,
GDK_GC_GET_XGC (gc), x, y, width, height);
}
static void
gdk_x11_draw_arc (GdkDrawable *drawable,
GdkGC *gc,
gint filled,
gint x,
gint y,
gint width,
gint height,
gint angle1,
gint angle2)
{
GdkDrawableImplX11 *impl;
impl = GDK_DRAWABLE_IMPL_X11 (drawable);
if (filled)
XFillArc (impl->xdisplay, impl->xid,
GDK_GC_GET_XGC (gc), x, y, width, height, angle1, angle2);
else
XDrawArc (impl->xdisplay, impl->xid,
GDK_GC_GET_XGC (gc), x, y, width, height, angle1, angle2);
}
static void
gdk_x11_draw_polygon (GdkDrawable *drawable,
GdkGC *gc,
gint filled,
GdkPoint *points,
gint npoints)
{
XPoint *tmp_points;
gint tmp_npoints, i;
GdkDrawableImplX11 *impl;
impl = GDK_DRAWABLE_IMPL_X11 (drawable);
if (!filled &&
(points[0].x != points[npoints-1].x || points[0].y != points[npoints-1].y))
{
tmp_npoints = npoints + 1;
tmp_points = g_new (XPoint, tmp_npoints);
tmp_points[npoints].x = points[0].x;
tmp_points[npoints].y = points[0].y;
}
else
{
tmp_npoints = npoints;
tmp_points = g_new (XPoint, tmp_npoints);
}
for (i=0; i<npoints; i++)
{
tmp_points[i].x = points[i].x;
tmp_points[i].y = points[i].y;
}
if (filled)
XFillPolygon (impl->xdisplay, impl->xid,
GDK_GC_GET_XGC (gc), tmp_points, tmp_npoints, Complex, CoordModeOrigin);
else
XDrawLines (impl->xdisplay, impl->xid,
GDK_GC_GET_XGC (gc), tmp_points, tmp_npoints, CoordModeOrigin);
g_free (tmp_points);
}
/* gdk_x11_draw_text
*
* Modified by Li-Da Lho to draw 16 bits and Multibyte strings
*
* Interface changed: add "GdkFont *font" to specify font or fontset explicitely
*/
static void
gdk_x11_draw_text (GdkDrawable *drawable,
GdkFont *font,
GdkGC *gc,
gint x,
gint y,
const gchar *text,
gint text_length)
{
GdkDrawableImplX11 *impl;
impl = GDK_DRAWABLE_IMPL_X11 (drawable);
if (font->type == GDK_FONT_FONT)
{
XFontStruct *xfont = (XFontStruct *) GDK_FONT_XFONT (font);
XSetFont(impl->xdisplay, GDK_GC_GET_XGC (gc), xfont->fid);
if ((xfont->min_byte1 == 0) && (xfont->max_byte1 == 0))
{
XDrawString (impl->xdisplay, impl->xid,
GDK_GC_GET_XGC (gc), x, y, text, text_length);
}
else
{
XDrawString16 (impl->xdisplay, impl->xid,
GDK_GC_GET_XGC (gc), x, y, (XChar2b *) text, text_length / 2);
}
}
else if (font->type == GDK_FONT_FONTSET)
{
XFontSet fontset = (XFontSet) GDK_FONT_XFONT (font);
XmbDrawString (impl->xdisplay, impl->xid,
fontset, GDK_GC_GET_XGC (gc), x, y, text, text_length);
}
else
g_error("undefined font type\n");
}
static void
gdk_x11_draw_text_wc (GdkDrawable *drawable,
GdkFont *font,
GdkGC *gc,
gint x,
gint y,
const GdkWChar *text,
gint text_length)
{
GdkDrawableImplX11 *impl;
impl = GDK_DRAWABLE_IMPL_X11 (drawable);
if (font->type == GDK_FONT_FONT)
{
XFontStruct *xfont = (XFontStruct *) GDK_FONT_XFONT (font);
gchar *text_8bit;
gint i;
XSetFont(impl->xdisplay, GDK_GC_GET_XGC (gc), xfont->fid);
text_8bit = g_new (gchar, text_length);
for (i=0; i<text_length; i++) text_8bit[i] = text[i];
XDrawString (impl->xdisplay, impl->xid,
GDK_GC_GET_XGC (gc), x, y, text_8bit, text_length);
g_free (text_8bit);
}
else if (font->type == GDK_FONT_FONTSET)
{
if (sizeof(GdkWChar) == sizeof(wchar_t))
{
XwcDrawString (impl->xdisplay, impl->xid,
(XFontSet) GDK_FONT_XFONT (font),
GDK_GC_GET_XGC (gc), x, y, (wchar_t *)text, text_length);
}
else
{
wchar_t *text_wchar;
gint i;
text_wchar = g_new (wchar_t, text_length);
for (i=0; i<text_length; i++) text_wchar[i] = text[i];
XwcDrawString (impl->xdisplay, impl->xid,
(XFontSet) GDK_FONT_XFONT (font),
GDK_GC_GET_XGC (gc), x, y, text_wchar, text_length);
g_free (text_wchar);
}
}
else
g_error("undefined font type\n");
}
static void
gdk_x11_draw_drawable (GdkDrawable *drawable,
GdkGC *gc,
GdkPixmap *src,
gint xsrc,
gint ysrc,
gint xdest,
gint ydest,
gint width,
gint height)
{
int src_depth = gdk_drawable_get_depth (src);
int dest_depth = gdk_drawable_get_depth (drawable);
GdkDrawableImplX11 *impl;
GdkDrawableImplX11 *src_impl;
impl = GDK_DRAWABLE_IMPL_X11 (drawable);
if (GDK_IS_DRAWABLE_IMPL_X11 (src))
src_impl = GDK_DRAWABLE_IMPL_X11 (src);
else
src_impl = NULL;
if (src_depth == 1)
{
XCopyArea (impl->xdisplay,
src_impl ? src_impl->xid : GDK_DRAWABLE_XID (src),
impl->xid,
GDK_GC_GET_XGC (gc),
xsrc, ysrc,
width, height,
xdest, ydest);
}
else if (dest_depth != 0 && src_depth == dest_depth)
{
XCopyArea (impl->xdisplay,
src_impl ? src_impl->xid : GDK_DRAWABLE_XID (src),
impl->xid,
GDK_GC_GET_XGC (gc),
xsrc, ysrc,
width, height,
xdest, ydest);
}
else
g_warning ("Attempt to draw a drawable with depth %d to a drawable with depth %d",
src_depth, dest_depth);
}
static void
gdk_x11_draw_points (GdkDrawable *drawable,
GdkGC *gc,
GdkPoint *points,
gint npoints)
{
GdkDrawableImplX11 *impl;
impl = GDK_DRAWABLE_IMPL_X11 (drawable);
/* We special-case npoints == 1, because X will merge multiple
* consecutive XDrawPoint requests into a PolyPoint request
*/
if (npoints == 1)
{
XDrawPoint (impl->xdisplay,
impl->xid,
GDK_GC_GET_XGC (gc),
points[0].x, points[0].y);
}
else
{
gint i;
XPoint *tmp_points = g_new (XPoint, npoints);
for (i=0; i<npoints; i++)
{
tmp_points[i].x = points[i].x;
tmp_points[i].y = points[i].y;
}
XDrawPoints (impl->xdisplay,
impl->xid,
GDK_GC_GET_XGC (gc),
tmp_points,
npoints,
CoordModeOrigin);
g_free (tmp_points);
}
}
static void
gdk_x11_draw_segments (GdkDrawable *drawable,
GdkGC *gc,
GdkSegment *segs,
gint nsegs)
{
GdkDrawableImplX11 *impl;
impl = GDK_DRAWABLE_IMPL_X11 (drawable);
/* We special-case nsegs == 1, because X will merge multiple
* consecutive XDrawLine requests into a PolySegment request
*/
if (nsegs == 1)
{
XDrawLine (impl->xdisplay, impl->xid,
GDK_GC_GET_XGC (gc), segs[0].x1, segs[0].y1,
segs[0].x2, segs[0].y2);
}
else
{
gint i;
XSegment *tmp_segs = g_new (XSegment, nsegs);
for (i=0; i<nsegs; i++)
{
tmp_segs[i].x1 = segs[i].x1;
tmp_segs[i].x2 = segs[i].x2;
tmp_segs[i].y1 = segs[i].y1;
tmp_segs[i].y2 = segs[i].y2;
}
XDrawSegments (impl->xdisplay,
impl->xid,
GDK_GC_GET_XGC (gc),
tmp_segs, nsegs);
g_free (tmp_segs);
}
}
static void
gdk_x11_draw_lines (GdkDrawable *drawable,
GdkGC *gc,
GdkPoint *points,
gint npoints)
{
gint i;
XPoint *tmp_points = g_new (XPoint, npoints);
GdkDrawableImplX11 *impl;
impl = GDK_DRAWABLE_IMPL_X11 (drawable);
for (i=0; i<npoints; i++)
{
tmp_points[i].x = points[i].x;
tmp_points[i].y = points[i].y;
}
XDrawLines (impl->xdisplay,
impl->xid,
GDK_GC_GET_XGC (gc),
tmp_points, npoints,
CoordModeOrigin);
g_free (tmp_points);
}
static void
gdk_x11_draw_glyphs (GdkDrawable *drawable,
GdkGC *gc,
PangoFont *font,
gint x,
gint y,
PangoGlyphString *glyphs)
{
GdkDrawableImplX11 *impl;
impl = GDK_DRAWABLE_IMPL_X11 (drawable);
#if HAVE_XFT
if (PANGO_XFT_IS_FONT (font))
{
Picture src_picture;
Picture dest_picture;
src_picture = _gdk_x11_gc_get_fg_picture (gc);
gdk_x11_drawable_update_picture_clip (drawable, gc);
dest_picture = gdk_x11_drawable_get_picture (drawable);
pango_xft_picture_render (impl->xdisplay, src_picture, dest_picture, font, glyphs, x, y);
}
else
#endif /* !HAVE_XFT */
pango_x_render (impl->xdisplay,
impl->xid,
GDK_GC_GET_XGC (gc),
font, glyphs, x, y);
}
static void
gdk_x11_draw_image (GdkDrawable *drawable,
GdkGC *gc,
GdkImage *image,
gint xsrc,
gint ysrc,
gint xdest,
gint ydest,
gint width,
gint height)
{
GdkDrawableImplX11 *impl;
impl = GDK_DRAWABLE_IMPL_X11 (drawable);
if (image->type == GDK_IMAGE_SHARED)
XShmPutImage (impl->xdisplay, impl->xid,
GDK_GC_GET_XGC (gc), GDK_IMAGE_XIMAGE (image),
xsrc, ysrc, xdest, ydest, width, height, False);
else
XPutImage (impl->xdisplay, impl->xid,
GDK_GC_GET_XGC (gc), GDK_IMAGE_XIMAGE (image),
xsrc, ysrc, xdest, ydest, width, height);
}
static gint
gdk_x11_get_depth (GdkDrawable *drawable)
{
/* This is a bit bogus but I'm not sure the other way is better */
return gdk_drawable_get_depth (GDK_DRAWABLE_IMPL_X11 (drawable)->wrapper);
}
static GdkVisual*
gdk_x11_get_visual (GdkDrawable *drawable)
{
return gdk_drawable_get_visual (GDK_DRAWABLE_IMPL_X11 (drawable)->wrapper);
}
Display *
gdk_x11_drawable_get_xdisplay (GdkDrawable *drawable)
{
GdkDrawable *impl;
if (GDK_IS_WINDOW (drawable))
impl = ((GdkPixmapObject *)drawable)->impl;
else if (GDK_IS_PIXMAP (drawable))
impl = ((GdkPixmapObject *)drawable)->impl;
else
{
g_warning (G_STRLOC " drawable is not a pixmap or window");
return NULL;
}
return ((GdkDrawableImplX11 *)impl)->xdisplay;
}
XID
gdk_x11_drawable_get_xid (GdkDrawable *drawable)
{
GdkDrawable *impl;
if (GDK_IS_WINDOW (drawable))
impl = ((GdkPixmapObject *)drawable)->impl;
else if (GDK_IS_PIXMAP (drawable))
impl = ((GdkPixmapObject *)drawable)->impl;
else
{
g_warning (G_STRLOC " drawable is not a pixmap or window");
return None;
}
return ((GdkDrawableImplX11 *)impl)->xid;
}