+/* 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>
+#include <string.h> /* for memcpy() */
-static void gdk_x11_drawable_destroy (GdkDrawable *drawable);
+#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"
+#include "gdkscreen-x11.h"
+#include "gdkdisplay-x11.h"
static void gdk_x11_draw_rectangle (GdkDrawable *drawable,
GdkGC *gc,
- gint filled,
+ gboolean filled,
gint x,
gint y,
gint width,
gint height);
static void gdk_x11_draw_arc (GdkDrawable *drawable,
GdkGC *gc,
- gint filled,
+ gboolean filled,
gint x,
gint y,
gint width,
gint angle2);
static void gdk_x11_draw_polygon (GdkDrawable *drawable,
GdkGC *gc,
- gint filled,
+ gboolean filled,
GdkPoint *points,
gint npoints);
static void gdk_x11_draw_text (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);
+#ifdef HAVE_XFT
+static void gdk_x11_draw_pixbuf (GdkDrawable *drawable,
+ GdkGC *gc,
+ GdkPixbuf *pixbuf,
+ gint src_x,
+ gint src_y,
+ gint dest_x,
+ gint dest_y,
+ gint width,
+ gint height,
+ GdkRgbDither dither,
+ gint x_dither,
+ gint y_dither);
+#endif /* HAVE_XFT */
+static void gdk_x11_set_colormap (GdkDrawable *drawable,
+ GdkColormap *colormap);
-GdkDrawableClass _gdk_x11_drawable_class = {
- gdk_x11_drawable_destroy,
- _gdk_x11_gc_new,
- gdk_x11_draw_rectangle,
- gdk_x11_draw_arc,
- gdk_x11_draw_polygon,
- gdk_x11_draw_text,
- gdk_x11_draw_text_wc,
- gdk_x11_draw_drawable,
- gdk_x11_draw_points,
- gdk_x11_draw_segments,
- gdk_x11_draw_lines
-};
+static GdkColormap* gdk_x11_get_colormap (GdkDrawable *drawable);
+static gint gdk_x11_get_depth (GdkDrawable *drawable);
+static GdkScreen * gdk_x11_get_screen (GdkDrawable *drawable);
+static GdkVisual* gdk_x11_get_visual (GdkDrawable *drawable);
-/*****************************************************
- * X11 specific implementations of generic functions *
- *****************************************************/
+static void gdk_drawable_impl_x11_class_init (GdkDrawableImplX11Class *klass);
+
+static void gdk_drawable_impl_x11_finalize (GObject *object);
+
+static gpointer parent_class = NULL;
-GdkColormap*
-gdk_drawable_get_colormap (GdkDrawable *drawable)
+GType
+_gdk_drawable_impl_x11_get_type (void)
{
- GdkDrawablePrivate *drawable_private;
- XWindowAttributes window_attributes;
-
- g_return_val_if_fail (drawable != NULL, NULL);
- drawable_private = (GdkDrawablePrivate*) drawable;
-
- if (!GDK_DRAWABLE_DESTROYED (drawable))
- {
- if (drawable_private->colormap == NULL &&
- GDK_IS_WINDOW (drawable))
- {
- XGetWindowAttributes (GDK_DRAWABLE_XDISPLAY (drawable),
- GDK_DRAWABLE_XID (drawable),
- &window_attributes);
- drawable_private->colormap = gdk_colormap_lookup (window_attributes.colormap);
- }
+ static GType object_type = 0;
- return drawable_private->colormap;
+ 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 NULL;
+ return object_type;
}
-void
-gdk_drawable_set_colormap (GdkDrawable *drawable,
- GdkColormap *colormap)
+static void
+gdk_drawable_impl_x11_class_init (GdkDrawableImplX11Class *klass)
{
- GdkDrawablePrivate *drawable_private;
- GdkColormapPrivateX *colormap_private;
+ GdkDrawableClass *drawable_class = GDK_DRAWABLE_CLASS (klass);
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
- g_return_if_fail (drawable != NULL);
- g_return_if_fail (colormap != NULL);
+ 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;
+#ifdef HAVE_XFT
+ drawable_class->draw_pixbuf = gdk_x11_draw_pixbuf;
+#endif /* HAVE_XFT */
- drawable_private = (GdkDrawablePrivate *)drawable;
- colormap_private = (GdkColormapPrivateX *)colormap;
+ 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_screen = gdk_x11_get_screen;
+ drawable_class->get_visual = gdk_x11_get_visual;
- if (!GDK_DRAWABLE_DESTROYED (drawable))
+ drawable_class->_copy_to_image = _gdk_x11_copy_to_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
+gboolean
+_gdk_x11_have_render (GdkDisplay *display)
+{
+ Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
+ GdkDisplayX11 *x11display = GDK_DISPLAY_X11 (display);
+
+ if (x11display->have_render == GDK_UNKNOWN)
{
- if (GDK_IS_WINDOW (drawable))
+ int event_base, error_base;
+ x11display->have_render =
+ XRenderQueryExtension (xdisplay, &event_base, &error_base)
+ ? GDK_YES : GDK_NO;
+
+ if (x11display->have_render == GDK_YES)
{
- g_return_if_fail (colormap_private->base.visual !=
- ((GdkColormapPrivate *)(drawable_private->colormap))->visual);
+ /*
+ * Sun advertises RENDER, but fails to support 32-bit pixmaps.
+ * That is just no good. Therefore, we check all screens
+ * for proper support.
+ */
+
+ int screen;
+ for (screen = 0; screen < ScreenCount (xdisplay); screen++)
+ {
+ int count;
+ int *depths = XListDepths (xdisplay, screen, &count);
+ gboolean has_8 = FALSE, has_32 = FALSE;
+
+ if (depths)
+ {
+ int i;
- XSetWindowColormap (GDK_DRAWABLE_XDISPLAY (drawable),
- GDK_DRAWABLE_XID (drawable),
- colormap_private->xcolormap);
+ for (i = 0; i < count; i++)
+ {
+ if (depths[i] == 8)
+ has_8 = TRUE;
+ else if (depths[i] == 32)
+ has_32 = TRUE;
+ }
+ XFree (depths);
+ }
+
+ if (!(has_8 && has_32))
+ {
+ g_warning ("The X server advertises that RENDER support is present,\n"
+ "but fails to supply the necessary pixmap support. In\n"
+ "other words, it is buggy.");
+ x11display->have_render = GDK_NO;
+ break;
+ }
+ }
}
+ }
+
+ return x11display->have_render == GDK_YES;
+}
+
+#ifdef HAVE_XFT2
+static XftDraw *
+gdk_x11_drawable_get_xft_draw (GdkDrawable *drawable)
+{
+ GdkDrawableImplX11 *impl = GDK_DRAWABLE_IMPL_X11 (drawable);
+
+ if (impl->xft_draw == NULL)
+ {
+ GdkColormap *colormap = gdk_drawable_get_colormap (drawable);
+ GdkVisual *visual;
- if (drawable_private->colormap)
- gdk_colormap_unref (drawable_private->colormap);
- drawable_private->colormap = colormap;
- gdk_colormap_ref (drawable_private->colormap);
+ if (!colormap)
+ {
+ 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 NULL;
+ }
- if (GDK_IS_WINDOW (drawable) &&
- drawable_private->window_type != GDK_WINDOW_TOPLEVEL)
- gdk_window_add_colormap_windows (drawable);
+ visual = gdk_colormap_get_visual (colormap);
+
+ impl->xft_draw = XftDrawCreate (GDK_SCREEN_XDISPLAY (impl->screen), impl->xid,
+ GDK_VISUAL_XVISUAL (visual), GDK_COLORMAP_XCOLORMAP (colormap));
}
+
+ return impl->xft_draw;
}
-/* Drawing
- */
-static void
-gdk_x11_drawable_destroy (GdkDrawable *drawable)
+static Picture
+gdk_x11_drawable_get_picture (GdkDrawable *drawable)
+{
+ XftDraw *draw = gdk_x11_drawable_get_xft_draw (drawable);
+
+ return draw ? XftDrawPicture (draw) : None;
+}
+
+static void
+gdk_x11_drawable_update_xft_clip (GdkDrawable *drawable,
+ GdkGC *gc)
+{
+ GdkGCX11 *gc_private = gc ? GDK_GC_X11 (gc) : NULL;
+ XftDraw *xft_draw = gdk_x11_drawable_get_xft_draw (drawable);
+
+ if (gc && 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;
+ }
+ XftDrawSetClipRectangles (xft_draw, 0, 0, rects, n_boxes);
+
+ g_free (rects);
+ }
+ else
+ {
+ XftDrawSetClip (xft_draw, NULL);
+ }
+}
+
+#else /* !HAVE_XFT2 */
+
+static Picture
+gdk_x11_drawable_get_picture (GdkDrawable *drawable)
{
+ GdkDrawableImplX11 *impl = GDK_DRAWABLE_IMPL_X11 (drawable);
+
+ if (!_gdk_x11_have_render (gdk_drawable_get_display (drawable)))
+ return None;
+ 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 (GDK_SCREEN_XDISPLAY (impl->screen),
+ gdk_x11_visual_get_xvisual(visual));
+ if (format)
+ impl->picture = XRenderCreatePicture (GDK_SCREEN_XDISPLAY (impl->screen),
+ impl->xid, format, 0, NULL);
+ }
+
+ return impl->picture;
}
+
+static void
+gdk_x11_drawable_update_xft_clip (GdkDrawable *drawable,
+ GdkGC *gc)
+{
+ GdkGCX11 *gc_private = gc ? GDK_GC_X11 (gc) : NULL;
+ GdkDrawableImplX11 *impl = GDK_DRAWABLE_IMPL_X11 (drawable);
+ Picture picture = gdk_x11_drawable_get_picture (drawable);
+
+ if (gc && 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 (GDK_SCREEN_XDISPLAY (impl->screen),
+ picture, 0, 0, rects, n_boxes);
+
+ g_free (rects);
+ }
+ else
+ {
+ XRenderPictureAttributes pa;
+ pa.clip_mask = None;
+ XRenderChangePicture (GDK_SCREEN_XDISPLAY (impl->screen),
+ picture, CPClipMask, &pa);
+ }
+}
+#endif /* HAVE_XFT2 */
+
+#endif /* HAVE_XFT */
+
+/*****************************************************
+ * 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)
+ g_object_unref (impl->colormap);
+ impl->colormap = colormap;
+ if (impl->colormap)
+ g_object_ref (impl->colormap);
+}
+
+/* Drawing
+ */
static void
gdk_x11_draw_rectangle (GdkDrawable *drawable,
GdkGC *gc,
- gint filled,
+ gboolean filled,
gint x,
gint y,
gint width,
gint height)
{
+ GdkDrawableImplX11 *impl;
+
+ impl = GDK_DRAWABLE_IMPL_X11 (drawable);
+
if (filled)
- XFillRectangle (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
- GDK_GC_XGC (gc), x, y, width, height);
+ XFillRectangle (GDK_SCREEN_XDISPLAY (impl->screen), impl->xid,
+ GDK_GC_GET_XGC (gc), x, y, width, height);
else
- XDrawRectangle (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
- GDK_GC_XGC (gc), x, y, width, height);
+ XDrawRectangle (GDK_SCREEN_XDISPLAY (impl->screen), impl->xid,
+ GDK_GC_GET_XGC (gc), x, y, width, height);
}
static void
gdk_x11_draw_arc (GdkDrawable *drawable,
GdkGC *gc,
- gint filled,
+ gboolean filled,
gint x,
gint y,
gint width,
gint angle1,
gint angle2)
{
+ GdkDrawableImplX11 *impl;
+
+ impl = GDK_DRAWABLE_IMPL_X11 (drawable);
+
+
if (filled)
- XFillArc (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
- GDK_GC_XGC (gc), x, y, width, height, angle1, angle2);
+ XFillArc (GDK_SCREEN_XDISPLAY (impl->screen), impl->xid,
+ GDK_GC_GET_XGC (gc), x, y, width, height, angle1, angle2);
else
- XDrawArc (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
- GDK_GC_XGC (gc), x, y, width, height, angle1, angle2);
+ XDrawArc (GDK_SCREEN_XDISPLAY (impl->screen), 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,
+ gboolean filled,
GdkPoint *points,
gint npoints)
{
- if (filled)
+ 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))
{
- XFillPolygon (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
- GDK_GC_XGC (gc), (XPoint*) points, npoints, Complex, CoordModeOrigin);
+ 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
{
- GdkPoint *local_points = points;
- gint local_npoints = npoints;
- gint local_alloc = 0;
-
- if ((points[0].x != points[npoints-1].x) ||
- (points[0].y != points[npoints-1].y))
- {
- local_alloc = 1;
- ++local_npoints;
- local_points = (GdkPoint*) g_malloc (local_npoints * sizeof(GdkPoint));
- memcpy (local_points, points, npoints * sizeof(GdkPoint));
- local_points[npoints].x = points[0].x;
- local_points[npoints].y = points[0].y;
- }
+ tmp_npoints = npoints;
+ tmp_points = g_new (XPoint, tmp_npoints);
+ }
- XDrawLines (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
- GDK_GC_XGC (gc),
- (XPoint*) local_points, local_npoints,
- CoordModeOrigin);
-
- if (local_alloc)
- g_free (local_points);
+ for (i=0; i<npoints; i++)
+ {
+ tmp_points[i].x = points[i].x;
+ tmp_points[i].y = points[i].y;
}
+
+ if (filled)
+ XFillPolygon (GDK_SCREEN_XDISPLAY (impl->screen), impl->xid,
+ GDK_GC_GET_XGC (gc), tmp_points, tmp_npoints, Complex, CoordModeOrigin);
+ else
+ XDrawLines (GDK_SCREEN_XDISPLAY (impl->screen), impl->xid,
+ GDK_GC_GET_XGC (gc), tmp_points, tmp_npoints, CoordModeOrigin);
+
+ g_free (tmp_points);
}
/* gdk_x11_draw_text
const gchar *text,
gint text_length)
{
+ GdkDrawableImplX11 *impl;
+ Display *xdisplay;
+
+ impl = GDK_DRAWABLE_IMPL_X11 (drawable);
+ xdisplay = GDK_SCREEN_XDISPLAY (impl->screen);
+
if (font->type == GDK_FONT_FONT)
{
XFontStruct *xfont = (XFontStruct *) GDK_FONT_XFONT (font);
- XSetFont(GDK_DRAWABLE_XDISPLAY (drawable), GDK_GC_XGC (gc), xfont->fid);
+ XSetFont(xdisplay, GDK_GC_GET_XGC (gc), xfont->fid);
if ((xfont->min_byte1 == 0) && (xfont->max_byte1 == 0))
{
- XDrawString (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
- GDK_GC_XGC (gc), x, y, text, text_length);
+ XDrawString (xdisplay, impl->xid,
+ GDK_GC_GET_XGC (gc), x, y, text, text_length);
}
else
{
- XDrawString16 (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
- GDK_GC_XGC (gc), x, y, (XChar2b *) text, text_length / 2);
+ XDrawString16 (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 (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
- fontset, GDK_GC_XGC (gc), x, y, text, text_length);
+ XmbDrawString (xdisplay, impl->xid,
+ fontset, GDK_GC_GET_XGC (gc), x, y, text, text_length);
}
else
g_error("undefined font type\n");
const GdkWChar *text,
gint text_length)
{
+ GdkDrawableImplX11 *impl;
+ Display *xdisplay;
+
+ impl = GDK_DRAWABLE_IMPL_X11 (drawable);
+ xdisplay = GDK_SCREEN_XDISPLAY (impl->screen);
+
if (font->type == GDK_FONT_FONT)
{
XFontStruct *xfont = (XFontStruct *) GDK_FONT_XFONT (font);
gchar *text_8bit;
gint i;
- XSetFont(GDK_DRAWABLE_XDISPLAY (drawable), GDK_GC_XGC (gc), xfont->fid);
+ XSetFont(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 (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
- GDK_GC_XGC (gc), x, y, text_8bit, text_length);
+ XDrawString (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 (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
+ XwcDrawString (xdisplay, impl->xid,
(XFontSet) GDK_FONT_XFONT (font),
- GDK_GC_XGC (gc), x, y, (wchar_t *)text, text_length);
+ GDK_GC_GET_XGC (gc), x, y, (wchar_t *)text, text_length);
}
else
{
gint i;
text_wchar = g_new (wchar_t, text_length);
for (i=0; i<text_length; i++) text_wchar[i] = text[i];
- XwcDrawString (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
+ XwcDrawString (xdisplay, impl->xid,
(XFontSet) GDK_FONT_XFONT (font),
- GDK_GC_XGC (gc), x, y, text_wchar, text_length);
+ GDK_GC_GET_XGC (gc), x, y, text_wchar, text_length);
g_free (text_wchar);
}
}
gint width,
gint height)
{
- /* FIXME: this doesn't work because bitmaps don't have visuals */
- if (gdk_drawable_get_visual (src)->depth == 1)
+ 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 (GDK_DRAWABLE_XDISPLAY (drawable),
- GDK_DRAWABLE_XID (src),
- GDK_DRAWABLE_XID (drawable),
- GDK_GC_XGC (gc),
+ XCopyArea (GDK_SCREEN_XDISPLAY (impl->screen),
+ src_impl ? src_impl->xid : GDK_DRAWABLE_XID (src),
+ impl->xid,
+ GDK_GC_GET_XGC (gc),
xsrc, ysrc,
width, height,
xdest, ydest);
}
- else
+ else if (dest_depth != 0 && src_depth == dest_depth)
{
- XCopyArea (GDK_DRAWABLE_XDISPLAY (drawable),
- GDK_DRAWABLE_XID (src),
- GDK_DRAWABLE_XID (drawable),
- GDK_GC_XGC (gc),
+ XCopyArea (GDK_SCREEN_XDISPLAY (impl->screen),
+ 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
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 (GDK_DRAWABLE_XDISPLAY (drawable),
- GDK_DRAWABLE_XID (drawable),
- GDK_GC_XGC (gc),
+ XDrawPoint (GDK_SCREEN_XDISPLAY (impl->screen),
+ impl->xid,
+ GDK_GC_GET_XGC (gc),
points[0].x, points[0].y);
}
else
{
- XDrawPoints (GDK_DRAWABLE_XDISPLAY (drawable),
- GDK_DRAWABLE_XID (drawable),
- GDK_GC_XGC (gc),
- (XPoint *) points,
+ 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 (GDK_SCREEN_XDISPLAY (impl->screen),
+ impl->xid,
+ GDK_GC_GET_XGC (gc),
+ tmp_points,
npoints,
CoordModeOrigin);
+
+ g_free (tmp_points);
}
}
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 (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
- GDK_GC_XGC (gc), segs[0].x1, segs[0].y1,
+ XDrawLine (GDK_SCREEN_XDISPLAY (impl->screen), impl->xid,
+ GDK_GC_GET_XGC (gc), segs[0].x1, segs[0].y1,
segs[0].x2, segs[0].y2);
}
else
{
- XDrawSegments (GDK_DRAWABLE_XDISPLAY (drawable),
- GDK_DRAWABLE_XID (drawable),
- GDK_GC_XGC (gc),
- (XSegment *) segs,
- nsegs);
+ 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 (GDK_SCREEN_XDISPLAY (impl->screen),
+ impl->xid,
+ GDK_GC_GET_XGC (gc),
+ tmp_segs, nsegs);
+
+ g_free (tmp_segs);
}
}
GdkPoint *points,
gint npoints)
{
- XDrawLines (GDK_DRAWABLE_XDISPLAY (drawable),
- GDK_DRAWABLE_XID (drawable),
- GDK_GC_XGC (gc),
- (XPoint *) points,
- 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 (GDK_SCREEN_XDISPLAY (impl->screen),
+ 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))
+ {
+#ifdef HAVE_XFT2
+ XftColor color;
+ XftDraw *draw;
+
+ _gdk_gc_x11_get_fg_xft_color (gc, &color);
+
+ gdk_x11_drawable_update_xft_clip (drawable, gc);
+ draw = gdk_x11_drawable_get_xft_draw (drawable);
+
+ pango_xft_render (draw, &color, font, glyphs, x, y);
+#else /* !HAVE_XFT2 */
+ Picture src_picture;
+ Picture dest_picture;
+
+ src_picture = _gdk_x11_gc_get_fg_picture (gc);
+
+ gdk_x11_drawable_update_xft_clip (drawable, gc);
+ dest_picture = gdk_x11_drawable_get_picture (drawable);
+
+ pango_xft_picture_render (GDK_SCREEN_XDISPLAY (impl->screen),
+ src_picture, dest_picture,
+ font, glyphs, x, y);
+#endif /* HAVE_XFT2 */
+ }
+ else
+#endif /* HAVE_XFT */
+ pango_x_render (GDK_SCREEN_XDISPLAY (impl->screen),
+ 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 (GDK_SCREEN_XDISPLAY (impl->screen), impl->xid,
+ GDK_GC_GET_XGC (gc), GDK_IMAGE_XIMAGE (image),
+ xsrc, ysrc, xdest, ydest, width, height, False);
+ else
+ XPutImage (GDK_SCREEN_XDISPLAY (impl->screen), 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 GdkDrawable * get_impl_drawable (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 impl;
+}
+
+
+static GdkScreen*
+gdk_x11_get_screen (GdkDrawable *drawable)
+{
+ if (GDK_IS_DRAWABLE_IMPL_X11 (drawable))
+ return GDK_DRAWABLE_IMPL_X11 (drawable)->screen;
+ else
+ return GDK_DRAWABLE_IMPL_X11 (get_impl_drawable (drawable))->screen;
+}
+
+static GdkVisual*
+gdk_x11_get_visual (GdkDrawable *drawable)
+{
+ return gdk_drawable_get_visual (GDK_DRAWABLE_IMPL_X11 (drawable)->wrapper);
+}
+
+/**
+ * gdk_x11_drawable_get_xdisplay:
+ * @drawable: a #GdkDrawable.
+ *
+ * Returns the display of a #GdkDrawable.
+ *
+ * Return value: an Xlib <type>Display*</type>.
+ **/
+Display *
+gdk_x11_drawable_get_xdisplay (GdkDrawable *drawable)
+{
+ if (GDK_IS_DRAWABLE_IMPL_X11 (drawable))
+ return GDK_SCREEN_XDISPLAY (GDK_DRAWABLE_IMPL_X11 (drawable)->screen);
+ else
+ return GDK_SCREEN_XDISPLAY (GDK_DRAWABLE_IMPL_X11 (get_impl_drawable (drawable))->screen);
+}
+
+/**
+ * gdk_x11_drawable_get_xid:
+ * @drawable: a #GdkDrawable.
+ *
+ * Returns the X resource (window or pixmap) belonging to a #GdkDrawable.
+ *
+ * Return value: the ID of @drawable's X resource.
+ **/
+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;
+}
+
+/* Code for accelerated alpha compositing using the RENDER extension.
+ * It's a bit long because there are lots of possibilities for
+ * what's the fastest depending on the available picture formats,
+ * whether we can used shared pixmaps, etc.
+ */
+#ifdef HAVE_XFT
+typedef enum {
+ FORMAT_NONE,
+ FORMAT_EXACT_MASK,
+ FORMAT_ARGB_MASK,
+ FORMAT_ARGB
+} FormatType;
+
+static FormatType
+select_format (GdkDisplay *display,
+ XRenderPictFormat **format,
+ XRenderPictFormat **mask)
+{
+ Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
+ XRenderPictFormat pf;
+
+ if (!_gdk_x11_have_render (display))
+ return FORMAT_NONE;
+
+ /* Look for a 32-bit xRGB and Axxx formats that exactly match the
+ * in memory data format. We can use them as pixmap and mask
+ * to deal with non-premultiplied data.
+ */
+
+ pf.type = PictTypeDirect;
+ pf.depth = 32;
+ pf.direct.redMask = 0xff;
+ pf.direct.greenMask = 0xff;
+ pf.direct.blueMask = 0xff;
+
+ pf.direct.alphaMask = 0;
+ if (ImageByteOrder (xdisplay) == LSBFirst)
+ {
+ /* ABGR */
+ pf.direct.red = 0;
+ pf.direct.green = 8;
+ pf.direct.blue = 16;
+ }
+ else
+ {
+ /* RGBA */
+ pf.direct.red = 24;
+ pf.direct.green = 16;
+ pf.direct.blue = 8;
+ }
+
+ *format = XRenderFindFormat (xdisplay,
+ (PictFormatType | PictFormatDepth |
+ PictFormatRedMask | PictFormatRed |
+ PictFormatGreenMask | PictFormatGreen |
+ PictFormatBlueMask | PictFormatBlue |
+ PictFormatAlphaMask),
+ &pf,
+ 0);
+
+ pf.direct.alphaMask = 0xff;
+ if (ImageByteOrder (xdisplay) == LSBFirst)
+ {
+ /* ABGR */
+ pf.direct.alpha = 24;
+ }
+ else
+ {
+ pf.direct.alpha = 0;
+ }
+
+ *mask = XRenderFindFormat (xdisplay,
+ (PictFormatType | PictFormatDepth |
+ PictFormatAlphaMask | PictFormatAlpha),
+ &pf,
+ 0);
+
+ if (*format && *mask)
+ return FORMAT_EXACT_MASK;
+
+ /* OK, that failed, now look for xRGB and Axxx formats in
+ * RENDER's preferred order
+ */
+ pf.direct.alphaMask = 0;
+ /* ARGB */
+ pf.direct.red = 16;
+ pf.direct.green = 8;
+ pf.direct.blue = 0;
+
+ *format = XRenderFindFormat (xdisplay,
+ (PictFormatType | PictFormatDepth |
+ PictFormatRedMask | PictFormatRed |
+ PictFormatGreenMask | PictFormatGreen |
+ PictFormatBlueMask | PictFormatBlue |
+ PictFormatAlphaMask),
+ &pf,
+ 0);
+
+ pf.direct.alphaMask = 0xff;
+ pf.direct.alpha = 24;
+
+ *mask = XRenderFindFormat (xdisplay,
+ (PictFormatType | PictFormatDepth |
+ PictFormatAlphaMask | PictFormatAlpha),
+ &pf,
+ 0);
+
+ if (*format && *mask)
+ return FORMAT_ARGB_MASK;
+
+ /* Finally, if neither of the above worked, fall back to
+ * looking for combined ARGB -- we'll premultiply ourselves.
+ */
+
+ pf.type = PictTypeDirect;
+ pf.depth = 32;
+ pf.direct.red = 16;
+ pf.direct.green = 8;
+ pf.direct.blue = 0;
+ pf.direct.alphaMask = 0xff;
+ pf.direct.alpha = 24;
+
+ *format = XRenderFindFormat (xdisplay,
+ (PictFormatType | PictFormatDepth |
+ PictFormatRedMask | PictFormatRed |
+ PictFormatGreenMask | PictFormatGreen |
+ PictFormatBlueMask | PictFormatBlue |
+ PictFormatAlphaMask | PictFormatAlpha),
+ &pf,
+ 0);
+ *mask = NULL;
+
+ if (*format)
+ return FORMAT_ARGB;
+
+ return FORMAT_NONE;
+}
+
+#if 0
+static void
+list_formats (XRenderPictFormat *pf)
+{
+ gint i;
+
+ for (i=0 ;; i++)
+ {
+ XRenderPictFormat *pf = XRenderFindFormat (impl->xdisplay, 0, NULL, i);
+ if (pf)
+ {
+ g_print ("%2d R-%#06x/%#06x G-%#06x/%#06x B-%#06x/%#06x A-%#06x/%#06x\n",
+ pf->depth,
+ pf->direct.red,
+ pf->direct.redMask,
+ pf->direct.green,
+ pf->direct.greenMask,
+ pf->direct.blue,
+ pf->direct.blueMask,
+ pf->direct.alpha,
+ pf->direct.alphaMask);
+ }
+ else
+ break;
+ }
+}
+#endif
+
+static void
+convert_to_format (guchar *src_buf,
+ gint src_rowstride,
+ guchar *dest_buf,
+ gint dest_rowstride,
+ FormatType dest_format,
+ GdkByteOrder dest_byteorder,
+ gint width,
+ gint height)
+{
+ gint i;
+
+ if (dest_format == FORMAT_EXACT_MASK &&
+ src_rowstride == dest_rowstride)
+ {
+ memcpy (dest_buf, src_buf, height * src_rowstride);
+ return;
+ }
+
+ for (i=0; i < height; i++)
+ {
+ switch (dest_format)
+ {
+ case FORMAT_EXACT_MASK:
+ {
+ memcpy (dest_buf + i * dest_rowstride,
+ src_buf + i * src_rowstride,
+ width * 4);
+ break;
+ }
+ case FORMAT_ARGB_MASK:
+ {
+ guint *p = (guint *)(src_buf + i * src_rowstride);
+ guint *q = (guint *)(dest_buf + i * dest_rowstride);
+ guint *end = p + width;
+
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+ if (dest_byteorder == GDK_LSB_FIRST)
+ {
+ /* ABGR => ARGB */
+
+ while (p < end)
+ {
+ *q = ( (*p & 0xff00ff00) |
+ ((*p & 0x000000ff) << 16) |
+ ((*p & 0x00ff0000) >> 16));
+ q++;
+ p++;
+ }
+ }
+ else
+ {
+ /* ABGR => BGRA */
+
+ while (p < end)
+ {
+ *q = (((*p & 0xff000000) >> 24) |
+ ((*p & 0x00ffffff) << 8));
+ q++;
+ p++;
+ }
+ }
+#else /* G_BYTE_ORDER == G_BIG_ENDIAN */
+ if (dest_byteorder == GDK_LSB_FIRST)
+ {
+ /* RGBA => BGRA */
+
+ while (p < end)
+ {
+ *q = ( (*p & 0x00ff00ff) |
+ ((*p & 0x0000ff00) << 16) |
+ ((*p & 0xff000000) >> 16));
+ q++;
+ p++;
+ }
+ }
+ else
+ {
+ /* RGBA => ARGB */
+
+ while (p < end)
+ {
+ *q = (((*p & 0xffffff00) >> 8) |
+ ((*p & 0x000000ff) << 24));
+ q++;
+ p++;
+ }
+ }
+#endif /* G_BYTE_ORDER*/
+ break;
+ }
+ case FORMAT_ARGB:
+ {
+ guchar *p = (src_buf + i * src_rowstride);
+ guchar *q = (dest_buf + i * dest_rowstride);
+ guchar *end = p + 4 * width;
+ guint t1,t2,t3;
+
+#define MULT(d,c,a,t) G_STMT_START { t = c * a; d = ((t >> 8) + t) >> 8; } G_STMT_END
+
+ if (dest_byteorder == GDK_LSB_FIRST)
+ {
+ while (p < end)
+ {
+ MULT(q[0], p[2], p[3], t1);
+ MULT(q[1], p[1], p[3], t2);
+ MULT(q[2], p[0], p[3], t3);
+ q[3] = p[3];
+ p += 4;
+ q += 4;
+ }
+ }
+ else
+ {
+ while (p < end)
+ {
+ q[0] = p[3];
+ MULT(q[1], p[0], p[3], t1);
+ MULT(q[2], p[1], p[3], t2);
+ MULT(q[3], p[2], p[3], t3);
+ p += 4;
+ q += 4;
+ }
+ }
+#undef MULT
+ break;
+ }
+ case FORMAT_NONE:
+ g_assert_not_reached ();
+ break;
+ }
+ }
+}
+
+static void
+draw_with_images (GdkDrawable *drawable,
+ GdkGC *gc,
+ FormatType format_type,
+ XRenderPictFormat *format,
+ XRenderPictFormat *mask_format,
+ guchar *src_rgb,
+ gint src_rowstride,
+ gint dest_x,
+ gint dest_y,
+ gint width,
+ gint height)
+{
+ GdkScreen *screen = GDK_DRAWABLE_IMPL_X11 (drawable)->screen;
+ Display *xdisplay = GDK_SCREEN_XDISPLAY (screen);
+ GdkImage *image;
+ GdkPixmap *pix;
+ GdkGC *pix_gc;
+ Picture pict;
+ Picture dest_pict;
+ Picture mask = None;
+ gint x0, y0;
+
+ pix = gdk_pixmap_new (gdk_screen_get_root_window (screen), width, height, 32);
+
+ pict = XRenderCreatePicture (xdisplay,
+ GDK_PIXMAP_XID (pix),
+ format, 0, NULL);
+ if (mask_format)
+ mask = XRenderCreatePicture (xdisplay,
+ GDK_PIXMAP_XID (pix),
+ mask_format, 0, NULL);
+
+ dest_pict = gdk_x11_drawable_get_picture (drawable);
+
+ pix_gc = gdk_gc_new (pix);
+
+ for (y0 = 0; y0 < height; y0 += GDK_SCRATCH_IMAGE_HEIGHT)
+ {
+ gint height1 = MIN (height - y0, GDK_SCRATCH_IMAGE_HEIGHT);
+ for (x0 = 0; x0 < width; x0 += GDK_SCRATCH_IMAGE_WIDTH)
+ {
+ gint xs0, ys0;
+
+ gint width1 = MIN (width - x0, GDK_SCRATCH_IMAGE_WIDTH);
+
+ image = _gdk_image_get_scratch (screen, width1, height1, 32, &xs0, &ys0);
+
+ convert_to_format (src_rgb + y0 * src_rowstride + 4 * x0, src_rowstride,
+ (guchar *)image->mem + ys0 * image->bpl + xs0 * image->bpp, image->bpl,
+ format_type, image->byte_order,
+ width1, height1);
+
+ gdk_draw_image (pix, pix_gc,
+ image, xs0, ys0, x0, y0, width1, height1);
+ }
+ }
+
+ XRenderComposite (xdisplay, PictOpOver, pict, mask, dest_pict,
+ 0, 0, 0, 0, dest_x, dest_y, width, height);
+
+ XRenderFreePicture (xdisplay, pict);
+ if (mask)
+ XRenderFreePicture (xdisplay, mask);
+
+ g_object_unref (pix);
+ g_object_unref (pix_gc);
+}
+
+typedef struct _ShmPixmapInfo ShmPixmapInfo;
+
+struct _ShmPixmapInfo
+{
+ GdkImage *image;
+ Pixmap pix;
+ Picture pict;
+ Picture mask;
+};
+
+/* Returns FALSE if we can't get a shm pixmap */
+static gboolean
+get_shm_pixmap_for_image (Display *xdisplay,
+ GdkImage *image,
+ XRenderPictFormat *format,
+ XRenderPictFormat *mask_format,
+ Pixmap *pix,
+ Picture *pict,
+ Picture *mask)
+{
+ ShmPixmapInfo *info;
+
+ if (image->type != GDK_IMAGE_SHARED)
+ return FALSE;
+
+ info = g_object_get_data (G_OBJECT (image), "gdk-x11-shm-pixmap");
+ if (!info)
+ {
+ *pix = _gdk_x11_image_get_shm_pixmap (image);
+
+ if (!*pix)
+ return FALSE;
+
+ info = g_new (ShmPixmapInfo, 1);
+ info->pix = *pix;
+
+ info->pict = XRenderCreatePicture (xdisplay, info->pix,
+ format, 0, NULL);
+ if (mask_format)
+ info->mask = XRenderCreatePicture (xdisplay, info->pix,
+ mask_format, 0, NULL);
+ else
+ info->mask = None;
+
+ g_object_set_data (G_OBJECT (image), "gdk-x11-shm-pixmap", info);
+ }
+
+ *pix = info->pix;
+ *pict = info->pict;
+ *mask = info->mask;
+
+ return TRUE;
+}
+
+#ifdef USE_SHM
+/* Returns FALSE if drawing with ShmPixmaps is not possible */
+static gboolean
+draw_with_pixmaps (GdkDrawable *drawable,
+ GdkGC *gc,
+ FormatType format_type,
+ XRenderPictFormat *format,
+ XRenderPictFormat *mask_format,
+ guchar *src_rgb,
+ gint src_rowstride,
+ gint dest_x,
+ gint dest_y,
+ gint width,
+ gint height)
+{
+ Display *xdisplay = GDK_SCREEN_XDISPLAY (GDK_DRAWABLE_IMPL_X11 (drawable)->screen);
+ GdkImage *image;
+ Pixmap pix;
+ Picture pict;
+ Picture dest_pict;
+ Picture mask = None;
+ gint x0, y0;
+
+ dest_pict = gdk_x11_drawable_get_picture (drawable);
+
+ for (y0 = 0; y0 < height; y0 += GDK_SCRATCH_IMAGE_HEIGHT)
+ {
+ gint height1 = MIN (height - y0, GDK_SCRATCH_IMAGE_HEIGHT);
+ for (x0 = 0; x0 < width; x0 += GDK_SCRATCH_IMAGE_WIDTH)
+ {
+ gint xs0, ys0;
+
+ gint width1 = MIN (width - x0, GDK_SCRATCH_IMAGE_WIDTH);
+
+ image = _gdk_image_get_scratch (GDK_DRAWABLE_IMPL_X11 (drawable)->screen,
+ width1, height1, 32, &xs0, &ys0);
+ if (!get_shm_pixmap_for_image (xdisplay, image, format, mask_format, &pix, &pict, &mask))
+ return FALSE;
+
+ convert_to_format (src_rgb + y0 * src_rowstride + 4 * x0, src_rowstride,
+ (guchar *)image->mem + ys0 * image->bpl + xs0 * image->bpp, image->bpl,
+ format_type, image->byte_order,
+ width1, height1);
+
+ XRenderComposite (xdisplay, PictOpOver, pict, mask, dest_pict,
+ xs0, ys0, xs0, ys0, x0 + dest_x, y0 + dest_y,
+ width1, height1);
+ }
+ }
+
+ return TRUE;
+}
+#endif
+
+static void
+gdk_x11_draw_pixbuf (GdkDrawable *drawable,
+ GdkGC *gc,
+ GdkPixbuf *pixbuf,
+ gint src_x,
+ gint src_y,
+ gint dest_x,
+ gint dest_y,
+ gint width,
+ gint height,
+ GdkRgbDither dither,
+ gint x_dither,
+ gint y_dither)
+{
+ FormatType format_type;
+ XRenderPictFormat *format, *mask_format;
+ gint rowstride;
+#ifdef USE_SHM
+ gboolean use_pixmaps = TRUE;
+#endif /* USE_SHM */
+
+ format_type = select_format (gdk_drawable_get_display (drawable),
+ &format, &mask_format);
+
+ if (format_type == FORMAT_NONE ||
+ !gdk_pixbuf_get_has_alpha (pixbuf) ||
+ (dither == GDK_RGB_DITHER_MAX && gdk_drawable_get_depth (drawable) != 24) ||
+ gdk_x11_drawable_get_picture (drawable) == None)
+ {
+ GdkDrawable *wrapper = GDK_DRAWABLE_IMPL_X11 (drawable)->wrapper;
+ GDK_DRAWABLE_CLASS (parent_class)->draw_pixbuf (wrapper, gc, pixbuf,
+ src_x, src_y, dest_x, dest_y,
+ width, height,
+ dither, x_dither, y_dither);
+ return;
+ }
+
+ gdk_x11_drawable_update_xft_clip (drawable, gc);
+
+ rowstride = gdk_pixbuf_get_rowstride (pixbuf);
+
+#ifdef USE_SHM
+ if (use_pixmaps)
+ {
+ if (!draw_with_pixmaps (drawable, gc,
+ format_type, format, mask_format,
+ gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * 4,
+ rowstride,
+ dest_x, dest_y, width, height))
+ use_pixmaps = FALSE;
+ }
+
+ if (!use_pixmaps)
+#endif /* USE_SHM */
+ draw_with_images (drawable, gc,
+ format_type, format, mask_format,
+ gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * 4,
+ rowstride,
+ dest_x, dest_y, width, height);
}
+#endif /* HAVE_XFT */