forked from AuroraMiddleware/gtk
6e5a269f38
Thu Dec 14 20:22:31 2000 Owen Taylor <otaylor@redhat.com>
* gdk/{gdkdrawable.[ch],gdkpixmap.c,gdkwindow.c,x11/gdkwindow.c}:
Add two virtualized functions gdk_drawable_get_clip_region - to
get the clip region when drawing.
* gdk/gdkwindow.c (gdk_window_invalidate_rect): Rewrite to simple
use invalidate_region.
* gdk/gdkwindow.c (gdk_window_invalidate_region): Clip to visible
region.
* acconfig.h configure.in: Check for Xft. For now, assume
that if Xft is found, Pango was compiled with Xft support
as well.
* gdk/gdkcolor.h gdk/x11/gdkcolor-x11.c: Add
gdk_colormap_query_color().
* gdk/x11/gdkdrawable-x11.c (gdk_x11_draw_glyphs): Draw
with Xft if appropriate.
* gdk/x11/gdkpango-x11.c (gdk_pango_context_get): Create
a pangoxft context if we have XFT and the environment
variable GD_USE_XFT is set.
* gdk/x11/gdkx.h (struct _GdkGCX11): Cache the fg_pixel
and also possibly an XftDraw structure.
* gtk/gtkfontsel.c: Handle the case where the font from the
style doesn't match any of the fonts a bit better.
* gtk/testgtk.c: Add tabs between directional segments for
hebrew/arabic test. (Not really necessary, just a little
prettier.)
702 lines
19 KiB
C
702 lines
19 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include "gdkprivate-x11.h"
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#include "gdkregion-generic.h"
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#include <pango/pangox.h>
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#include <config.h>
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#if HAVE_XFT
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#include <pango/pangoxft.h>
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#endif
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#include <stdlib.h>
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#if defined (HAVE_IPC_H) && defined (HAVE_SHM_H) && defined (HAVE_XSHM_H)
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#define USE_SHM
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#endif
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#ifdef USE_SHM
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#include <X11/extensions/XShm.h>
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#endif /* USE_SHM */
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#include "gdkprivate-x11.h"
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#include "gdkdrawable-x11.h"
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#include "gdkpixmap-x11.h"
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static void gdk_x11_draw_rectangle (GdkDrawable *drawable,
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GdkGC *gc,
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gint filled,
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gint x,
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gint y,
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gint width,
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gint height);
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static void gdk_x11_draw_arc (GdkDrawable *drawable,
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GdkGC *gc,
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gint filled,
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gint x,
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gint y,
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gint width,
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gint height,
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gint angle1,
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gint angle2);
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static void gdk_x11_draw_polygon (GdkDrawable *drawable,
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GdkGC *gc,
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gint filled,
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GdkPoint *points,
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gint npoints);
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static void gdk_x11_draw_text (GdkDrawable *drawable,
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GdkFont *font,
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GdkGC *gc,
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gint x,
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gint y,
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const gchar *text,
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gint text_length);
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static void gdk_x11_draw_text_wc (GdkDrawable *drawable,
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GdkFont *font,
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GdkGC *gc,
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gint x,
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gint y,
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const GdkWChar *text,
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gint text_length);
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static void gdk_x11_draw_drawable (GdkDrawable *drawable,
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GdkGC *gc,
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GdkPixmap *src,
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gint xsrc,
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gint ysrc,
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gint xdest,
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gint ydest,
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gint width,
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gint height);
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static void gdk_x11_draw_points (GdkDrawable *drawable,
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GdkGC *gc,
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GdkPoint *points,
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gint npoints);
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static void gdk_x11_draw_segments (GdkDrawable *drawable,
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GdkGC *gc,
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GdkSegment *segs,
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gint nsegs);
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static void gdk_x11_draw_lines (GdkDrawable *drawable,
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GdkGC *gc,
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GdkPoint *points,
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gint npoints);
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static void gdk_x11_draw_glyphs (GdkDrawable *drawable,
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GdkGC *gc,
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PangoFont *font,
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gint x,
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gint y,
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PangoGlyphString *glyphs);
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static void gdk_x11_draw_image (GdkDrawable *drawable,
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GdkGC *gc,
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GdkImage *image,
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gint xsrc,
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gint ysrc,
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gint xdest,
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gint ydest,
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gint width,
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gint height);
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static void gdk_x11_set_colormap (GdkDrawable *drawable,
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GdkColormap *colormap);
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static GdkColormap* gdk_x11_get_colormap (GdkDrawable *drawable);
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static gint gdk_x11_get_depth (GdkDrawable *drawable);
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static GdkVisual* gdk_x11_get_visual (GdkDrawable *drawable);
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static void gdk_drawable_impl_x11_class_init (GdkDrawableImplX11Class *klass);
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static gpointer parent_class = NULL;
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GType
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gdk_drawable_impl_x11_get_type (void)
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{
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static GType object_type = 0;
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if (!object_type)
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{
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static const GTypeInfo object_info =
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{
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sizeof (GdkDrawableImplX11Class),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) gdk_drawable_impl_x11_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GdkDrawableImplX11),
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0, /* n_preallocs */
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(GInstanceInitFunc) NULL,
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};
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object_type = g_type_register_static (GDK_TYPE_DRAWABLE,
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"GdkDrawableImplX11",
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&object_info, 0);
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}
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return object_type;
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}
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static void
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gdk_drawable_impl_x11_class_init (GdkDrawableImplX11Class *klass)
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{
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GdkDrawableClass *drawable_class = GDK_DRAWABLE_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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drawable_class->create_gc = _gdk_x11_gc_new;
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drawable_class->draw_rectangle = gdk_x11_draw_rectangle;
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drawable_class->draw_arc = gdk_x11_draw_arc;
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drawable_class->draw_polygon = gdk_x11_draw_polygon;
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drawable_class->draw_text = gdk_x11_draw_text;
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drawable_class->draw_text_wc = gdk_x11_draw_text_wc;
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drawable_class->draw_drawable = gdk_x11_draw_drawable;
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drawable_class->draw_points = gdk_x11_draw_points;
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drawable_class->draw_segments = gdk_x11_draw_segments;
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drawable_class->draw_lines = gdk_x11_draw_lines;
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drawable_class->draw_glyphs = gdk_x11_draw_glyphs;
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drawable_class->draw_image = gdk_x11_draw_image;
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drawable_class->set_colormap = gdk_x11_set_colormap;
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drawable_class->get_colormap = gdk_x11_get_colormap;
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drawable_class->get_depth = gdk_x11_get_depth;
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drawable_class->get_visual = gdk_x11_get_visual;
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drawable_class->get_image = _gdk_x11_get_image;
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}
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/*****************************************************
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* X11 specific implementations of generic functions *
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*****************************************************/
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static GdkColormap*
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gdk_x11_get_colormap (GdkDrawable *drawable)
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{
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GdkDrawableImplX11 *impl;
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impl = GDK_DRAWABLE_IMPL_X11 (drawable);
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return impl->colormap;
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}
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static void
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gdk_x11_set_colormap (GdkDrawable *drawable,
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GdkColormap *colormap)
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{
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GdkDrawableImplX11 *impl;
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g_return_if_fail (colormap != NULL);
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impl = GDK_DRAWABLE_IMPL_X11 (drawable);
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if (impl->colormap == colormap)
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return;
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if (impl->colormap)
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gdk_colormap_unref (impl->colormap);
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impl->colormap = colormap;
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if (impl->colormap)
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gdk_colormap_ref (impl->colormap);
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}
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/* Drawing
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*/
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static void
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gdk_x11_draw_rectangle (GdkDrawable *drawable,
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GdkGC *gc,
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gint filled,
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gint x,
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gint y,
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gint width,
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gint height)
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{
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GdkDrawableImplX11 *impl;
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impl = GDK_DRAWABLE_IMPL_X11 (drawable);
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if (filled)
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XFillRectangle (impl->xdisplay, impl->xid,
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GDK_GC_GET_XGC (gc), x, y, width, height);
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else
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XDrawRectangle (impl->xdisplay, impl->xid,
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GDK_GC_GET_XGC (gc), x, y, width, height);
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}
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static void
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gdk_x11_draw_arc (GdkDrawable *drawable,
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GdkGC *gc,
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gint filled,
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gint x,
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gint y,
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gint width,
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gint height,
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gint angle1,
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gint angle2)
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{
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GdkDrawableImplX11 *impl;
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impl = GDK_DRAWABLE_IMPL_X11 (drawable);
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if (filled)
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XFillArc (impl->xdisplay, impl->xid,
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GDK_GC_GET_XGC (gc), x, y, width, height, angle1, angle2);
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else
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XDrawArc (impl->xdisplay, impl->xid,
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GDK_GC_GET_XGC (gc), x, y, width, height, angle1, angle2);
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}
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static void
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gdk_x11_draw_polygon (GdkDrawable *drawable,
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GdkGC *gc,
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gint filled,
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GdkPoint *points,
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gint npoints)
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{
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XPoint *tmp_points;
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gint tmp_npoints, i;
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GdkDrawableImplX11 *impl;
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impl = GDK_DRAWABLE_IMPL_X11 (drawable);
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if (!filled &&
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(points[0].x != points[npoints-1].x || points[0].y != points[npoints-1].y))
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{
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tmp_npoints = npoints + 1;
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tmp_points = g_new (XPoint, tmp_npoints);
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tmp_points[npoints].x = points[0].x;
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tmp_points[npoints].y = points[0].y;
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}
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else
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{
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tmp_npoints = npoints;
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tmp_points = g_new (XPoint, tmp_npoints);
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}
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for (i=0; i<npoints; i++)
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{
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tmp_points[i].x = points[i].x;
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tmp_points[i].y = points[i].y;
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}
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if (filled)
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XFillPolygon (impl->xdisplay, impl->xid,
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GDK_GC_GET_XGC (gc), tmp_points, tmp_npoints, Complex, CoordModeOrigin);
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else
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XDrawLines (impl->xdisplay, impl->xid,
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GDK_GC_GET_XGC (gc), tmp_points, tmp_npoints, CoordModeOrigin);
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g_free (tmp_points);
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}
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/* gdk_x11_draw_text
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*
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* Modified by Li-Da Lho to draw 16 bits and Multibyte strings
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*
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* Interface changed: add "GdkFont *font" to specify font or fontset explicitely
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*/
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static void
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gdk_x11_draw_text (GdkDrawable *drawable,
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GdkFont *font,
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GdkGC *gc,
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gint x,
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gint y,
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const gchar *text,
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gint text_length)
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{
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GdkDrawableImplX11 *impl;
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impl = GDK_DRAWABLE_IMPL_X11 (drawable);
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if (font->type == GDK_FONT_FONT)
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{
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XFontStruct *xfont = (XFontStruct *) GDK_FONT_XFONT (font);
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XSetFont(impl->xdisplay, GDK_GC_GET_XGC (gc), xfont->fid);
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if ((xfont->min_byte1 == 0) && (xfont->max_byte1 == 0))
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{
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XDrawString (impl->xdisplay, impl->xid,
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GDK_GC_GET_XGC (gc), x, y, text, text_length);
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}
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else
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{
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XDrawString16 (impl->xdisplay, impl->xid,
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GDK_GC_GET_XGC (gc), x, y, (XChar2b *) text, text_length / 2);
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}
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}
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else if (font->type == GDK_FONT_FONTSET)
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{
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XFontSet fontset = (XFontSet) GDK_FONT_XFONT (font);
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XmbDrawString (impl->xdisplay, impl->xid,
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fontset, GDK_GC_GET_XGC (gc), x, y, text, text_length);
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}
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else
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g_error("undefined font type\n");
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}
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static void
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gdk_x11_draw_text_wc (GdkDrawable *drawable,
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GdkFont *font,
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GdkGC *gc,
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gint x,
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gint y,
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const GdkWChar *text,
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gint text_length)
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{
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GdkDrawableImplX11 *impl;
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impl = GDK_DRAWABLE_IMPL_X11 (drawable);
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if (font->type == GDK_FONT_FONT)
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{
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XFontStruct *xfont = (XFontStruct *) GDK_FONT_XFONT (font);
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gchar *text_8bit;
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gint i;
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XSetFont(impl->xdisplay, GDK_GC_GET_XGC (gc), xfont->fid);
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text_8bit = g_new (gchar, text_length);
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for (i=0; i<text_length; i++) text_8bit[i] = text[i];
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XDrawString (impl->xdisplay, impl->xid,
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GDK_GC_GET_XGC (gc), x, y, text_8bit, text_length);
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g_free (text_8bit);
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}
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else if (font->type == GDK_FONT_FONTSET)
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{
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if (sizeof(GdkWChar) == sizeof(wchar_t))
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{
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XwcDrawString (impl->xdisplay, impl->xid,
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(XFontSet) GDK_FONT_XFONT (font),
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GDK_GC_GET_XGC (gc), x, y, (wchar_t *)text, text_length);
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}
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else
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{
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wchar_t *text_wchar;
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gint i;
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text_wchar = g_new (wchar_t, text_length);
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for (i=0; i<text_length; i++) text_wchar[i] = text[i];
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XwcDrawString (impl->xdisplay, impl->xid,
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(XFontSet) GDK_FONT_XFONT (font),
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GDK_GC_GET_XGC (gc), x, y, text_wchar, text_length);
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g_free (text_wchar);
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}
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}
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else
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g_error("undefined font type\n");
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}
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static void
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gdk_x11_draw_drawable (GdkDrawable *drawable,
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GdkGC *gc,
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GdkPixmap *src,
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gint xsrc,
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gint ysrc,
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gint xdest,
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gint ydest,
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gint width,
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gint height)
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{
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int src_depth = gdk_drawable_get_depth (src);
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int dest_depth = gdk_drawable_get_depth (drawable);
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GdkDrawableImplX11 *impl;
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GdkDrawableImplX11 *src_impl;
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impl = GDK_DRAWABLE_IMPL_X11 (drawable);
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if (GDK_IS_DRAWABLE_IMPL_X11 (src))
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src_impl = GDK_DRAWABLE_IMPL_X11 (src);
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else
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src_impl = NULL;
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if (src_depth == 1)
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{
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XCopyArea (impl->xdisplay,
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src_impl ? src_impl->xid : GDK_DRAWABLE_XID (src),
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impl->xid,
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GDK_GC_GET_XGC (gc),
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xsrc, ysrc,
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width, height,
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xdest, ydest);
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}
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else if (dest_depth != 0 && src_depth == dest_depth)
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{
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XCopyArea (impl->xdisplay,
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src_impl ? src_impl->xid : GDK_DRAWABLE_XID (src),
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impl->xid,
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GDK_GC_GET_XGC (gc),
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xsrc, ysrc,
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width, height,
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xdest, ydest);
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}
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else
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g_warning ("Attempt to draw a drawable with depth %d to a drawable with depth %d",
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src_depth, dest_depth);
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}
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static void
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gdk_x11_draw_points (GdkDrawable *drawable,
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GdkGC *gc,
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GdkPoint *points,
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gint npoints)
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{
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GdkDrawableImplX11 *impl;
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impl = GDK_DRAWABLE_IMPL_X11 (drawable);
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/* We special-case npoints == 1, because X will merge multiple
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* consecutive XDrawPoint requests into a PolyPoint request
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*/
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if (npoints == 1)
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{
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XDrawPoint (impl->xdisplay,
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impl->xid,
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GDK_GC_GET_XGC (gc),
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points[0].x, points[0].y);
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}
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else
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{
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gint i;
|
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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);
|
|
}
|
|
|
|
#if HAVE_XFT
|
|
static void
|
|
update_xft_draw_clip (GdkGC *gc)
|
|
{
|
|
GdkGCX11 *private = GDK_GC_X11 (gc);
|
|
int i;
|
|
|
|
if (private->xft_draw)
|
|
{
|
|
if (private->clip_region)
|
|
{
|
|
GdkRegionBox *boxes = private->clip_region->rects;
|
|
Region region = XCreateRegion ();
|
|
|
|
for (i=0; i<private->clip_region->numRects; i++)
|
|
{
|
|
XRectangle rect;
|
|
|
|
rect.x = CLAMP (boxes[i].x1 + gc->clip_x_origin, G_MINSHORT, G_MAXSHORT);
|
|
rect.y = CLAMP (boxes[i].y1 + gc->clip_y_origin, G_MINSHORT, G_MAXSHORT);
|
|
rect.width = CLAMP (boxes[i].x2 + gc->clip_x_origin, G_MINSHORT, G_MAXSHORT) - rect.x;
|
|
rect.height = CLAMP (boxes[i].y2 + gc->clip_y_origin, G_MINSHORT, G_MAXSHORT) - rect.y;
|
|
XUnionRectWithRegion (&rect, region, region);
|
|
}
|
|
|
|
XftDrawSetClip (private->xft_draw, region);
|
|
XDestroyRegion (region);
|
|
}
|
|
else
|
|
XftDrawSetClip (private->xft_draw, NULL);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
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))
|
|
{
|
|
GdkGCX11 *gc_x11 = GDK_GC_X11 (gc);
|
|
XftColor xft_color;
|
|
GdkColormap *cmap;
|
|
GdkColor color;
|
|
|
|
cmap = gdk_gc_get_colormap (gc);
|
|
|
|
_gdk_x11_gc_flush (gc);
|
|
|
|
if (!gc_x11->xft_draw)
|
|
{
|
|
gc_x11->xft_draw = XftDrawCreate (impl->xdisplay,
|
|
impl->xid,
|
|
GDK_VISUAL_XVISUAL (gdk_colormap_get_visual (cmap)),
|
|
GDK_COLORMAP_XCOLORMAP (cmap));
|
|
update_xft_draw_clip (gc);
|
|
}
|
|
|
|
else
|
|
{
|
|
XftDrawChange (gc_x11->xft_draw, impl->xid);
|
|
update_xft_draw_clip (gc);
|
|
}
|
|
|
|
gdk_colormap_query_color (cmap, gc_x11->fg_pixel, &color);
|
|
|
|
xft_color.color.red = color.red;
|
|
xft_color.color.green = color.green;
|
|
xft_color.color.blue = color.blue;
|
|
xft_color.color.alpha = 0xffff;
|
|
|
|
pango_xft_render (gc_x11->xft_draw, &xft_color,
|
|
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);
|
|
}
|