forked from AuroraMiddleware/gtk
6c7dc26935
This reverts commit 5616bdc3dc.
I always thought cairo_region_t was a Cairo 1.8 feature. Apparently it
isn't, so the 3 patches I just reverted made Gtk depend on an unreleased
Cairo version. This is obviously not a good thing.
Expect those patches to reland once there's a Cairo 1.10 out (probably
around Gtk 4...)
710 lines
17 KiB
C
710 lines
17 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 "config.h"
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#include "gdkgc.h"
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#include "gdkprivate-x11.h"
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#include "gdkregion-generic.h"
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#include "gdkx.h"
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#include "gdkalias.h"
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#include <string.h>
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typedef enum {
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GDK_GC_DIRTY_CLIP = 1 << 0,
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GDK_GC_DIRTY_TS = 1 << 1
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} GdkGCDirtyValues;
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static void gdk_x11_gc_values_to_xvalues (GdkGCValues *values,
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GdkGCValuesMask mask,
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XGCValues *xvalues,
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unsigned long *xvalues_mask);
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static void gdk_x11_gc_get_values (GdkGC *gc,
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GdkGCValues *values);
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static void gdk_x11_gc_set_values (GdkGC *gc,
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GdkGCValues *values,
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GdkGCValuesMask values_mask);
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static void gdk_x11_gc_set_dashes (GdkGC *gc,
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gint dash_offset,
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gint8 dash_list[],
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gint n);
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static void gdk_gc_x11_finalize (GObject *object);
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G_DEFINE_TYPE (GdkGCX11, _gdk_gc_x11, GDK_TYPE_GC)
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static void
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_gdk_gc_x11_class_init (GdkGCX11Class *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GdkGCClass *gc_class = GDK_GC_CLASS (klass);
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object_class->finalize = gdk_gc_x11_finalize;
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gc_class->get_values = gdk_x11_gc_get_values;
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gc_class->set_values = gdk_x11_gc_set_values;
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gc_class->set_dashes = gdk_x11_gc_set_dashes;
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}
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static void
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_gdk_gc_x11_init (GdkGCX11 *gc)
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{
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}
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static void
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gdk_gc_x11_finalize (GObject *object)
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{
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GdkGCX11 *x11_gc = GDK_GC_X11 (object);
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XFreeGC (GDK_GC_XDISPLAY (x11_gc), GDK_GC_XGC (x11_gc));
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G_OBJECT_CLASS (_gdk_gc_x11_parent_class)->finalize (object);
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}
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GdkGC *
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_gdk_x11_gc_new (GdkDrawable *drawable,
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GdkGCValues *values,
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GdkGCValuesMask values_mask)
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{
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GdkGC *gc;
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GdkGCX11 *private;
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XGCValues xvalues;
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unsigned long xvalues_mask;
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/* NOTICE that the drawable here has to be the impl drawable,
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* not the publically-visible drawables.
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*/
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g_return_val_if_fail (GDK_IS_DRAWABLE_IMPL_X11 (drawable), NULL);
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gc = g_object_new (_gdk_gc_x11_get_type (), NULL);
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private = GDK_GC_X11 (gc);
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_gdk_gc_init (gc, drawable, values, values_mask);
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private->dirty_mask = 0;
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private->have_clip_mask = FALSE;
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private->screen = GDK_DRAWABLE_IMPL_X11 (drawable)->screen;
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private->depth = gdk_drawable_get_depth (drawable);
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if (values_mask & (GDK_GC_CLIP_X_ORIGIN | GDK_GC_CLIP_Y_ORIGIN))
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{
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values_mask &= ~(GDK_GC_CLIP_X_ORIGIN | GDK_GC_CLIP_Y_ORIGIN);
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private->dirty_mask |= GDK_GC_DIRTY_CLIP;
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}
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if (values_mask & (GDK_GC_TS_X_ORIGIN | GDK_GC_TS_Y_ORIGIN))
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{
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values_mask &= ~(GDK_GC_TS_X_ORIGIN | GDK_GC_TS_Y_ORIGIN);
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private->dirty_mask |= GDK_GC_DIRTY_TS;
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}
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if ((values_mask & GDK_GC_CLIP_MASK) && values->clip_mask)
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private->have_clip_mask = TRUE;
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xvalues.function = GXcopy;
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xvalues.fill_style = FillSolid;
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xvalues.arc_mode = ArcPieSlice;
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xvalues.subwindow_mode = ClipByChildren;
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xvalues.graphics_exposures = False;
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xvalues_mask = GCFunction | GCFillStyle | GCArcMode | GCSubwindowMode | GCGraphicsExposures;
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gdk_x11_gc_values_to_xvalues (values, values_mask, &xvalues, &xvalues_mask);
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private->xgc = XCreateGC (GDK_GC_XDISPLAY (gc),
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GDK_DRAWABLE_IMPL_X11 (drawable)->xid,
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xvalues_mask, &xvalues);
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return gc;
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}
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GC
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_gdk_x11_gc_flush (GdkGC *gc)
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{
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Display *xdisplay = GDK_GC_XDISPLAY (gc);
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GdkGCX11 *private = GDK_GC_X11 (gc);
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GC xgc = private->xgc;
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if (private->dirty_mask & GDK_GC_DIRTY_CLIP)
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{
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GdkRegion *clip_region = _gdk_gc_get_clip_region (gc);
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if (!clip_region)
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XSetClipOrigin (xdisplay, xgc,
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gc->clip_x_origin, gc->clip_y_origin);
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else
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{
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XRectangle *rectangles;
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gint n_rects;
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_gdk_region_get_xrectangles (clip_region,
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gc->clip_x_origin,
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gc->clip_y_origin,
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&rectangles,
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&n_rects);
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XSetClipRectangles (xdisplay, xgc, 0, 0,
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rectangles,
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n_rects, YXBanded);
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g_free (rectangles);
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}
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}
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if (private->dirty_mask & GDK_GC_DIRTY_TS)
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{
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XSetTSOrigin (xdisplay, xgc,
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gc->ts_x_origin, gc->ts_y_origin);
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}
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private->dirty_mask = 0;
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return xgc;
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}
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static void
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gdk_x11_gc_get_values (GdkGC *gc,
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GdkGCValues *values)
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{
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XGCValues xvalues;
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if (XGetGCValues (GDK_GC_XDISPLAY (gc), GDK_GC_XGC (gc),
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GCForeground | GCBackground | GCFont |
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GCFunction | GCTile | GCStipple | /* GCClipMask | */
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GCSubwindowMode | GCGraphicsExposures |
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GCTileStipXOrigin | GCTileStipYOrigin |
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GCClipXOrigin | GCClipYOrigin |
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GCLineWidth | GCLineStyle | GCCapStyle |
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GCFillStyle | GCJoinStyle, &xvalues))
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{
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values->foreground.pixel = xvalues.foreground;
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values->background.pixel = xvalues.background;
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values->font = gdk_font_lookup_for_display (GDK_GC_DISPLAY (gc),
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xvalues.font);
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switch (xvalues.function)
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{
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case GXcopy:
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values->function = GDK_COPY;
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break;
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case GXinvert:
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values->function = GDK_INVERT;
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break;
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case GXxor:
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values->function = GDK_XOR;
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break;
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case GXclear:
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values->function = GDK_CLEAR;
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break;
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case GXand:
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values->function = GDK_AND;
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break;
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case GXandReverse:
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values->function = GDK_AND_REVERSE;
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break;
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case GXandInverted:
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values->function = GDK_AND_INVERT;
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break;
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case GXnoop:
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values->function = GDK_NOOP;
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break;
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case GXor:
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values->function = GDK_OR;
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break;
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case GXequiv:
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values->function = GDK_EQUIV;
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break;
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case GXorReverse:
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values->function = GDK_OR_REVERSE;
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break;
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case GXcopyInverted:
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values->function =GDK_COPY_INVERT;
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break;
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case GXorInverted:
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values->function = GDK_OR_INVERT;
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break;
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case GXnand:
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values->function = GDK_NAND;
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break;
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case GXset:
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values->function = GDK_SET;
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break;
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case GXnor:
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values->function = GDK_NOR;
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break;
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}
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switch (xvalues.fill_style)
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{
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case FillSolid:
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values->fill = GDK_SOLID;
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break;
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case FillTiled:
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values->fill = GDK_TILED;
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break;
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case FillStippled:
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values->fill = GDK_STIPPLED;
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break;
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case FillOpaqueStippled:
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values->fill = GDK_OPAQUE_STIPPLED;
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break;
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}
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values->tile = gdk_pixmap_lookup_for_display (GDK_GC_DISPLAY (gc),
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xvalues.tile);
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values->stipple = gdk_pixmap_lookup_for_display (GDK_GC_DISPLAY (gc),
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xvalues.stipple);
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values->clip_mask = NULL;
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values->subwindow_mode = xvalues.subwindow_mode;
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values->ts_x_origin = xvalues.ts_x_origin;
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values->ts_y_origin = xvalues.ts_y_origin;
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values->clip_x_origin = xvalues.clip_x_origin;
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values->clip_y_origin = xvalues.clip_y_origin;
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values->graphics_exposures = xvalues.graphics_exposures;
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values->line_width = xvalues.line_width;
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switch (xvalues.line_style)
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{
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case LineSolid:
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values->line_style = GDK_LINE_SOLID;
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break;
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case LineOnOffDash:
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values->line_style = GDK_LINE_ON_OFF_DASH;
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break;
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case LineDoubleDash:
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values->line_style = GDK_LINE_DOUBLE_DASH;
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break;
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}
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switch (xvalues.cap_style)
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{
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case CapNotLast:
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values->cap_style = GDK_CAP_NOT_LAST;
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break;
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case CapButt:
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values->cap_style = GDK_CAP_BUTT;
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break;
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case CapRound:
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values->cap_style = GDK_CAP_ROUND;
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break;
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case CapProjecting:
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values->cap_style = GDK_CAP_PROJECTING;
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break;
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}
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switch (xvalues.join_style)
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{
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case JoinMiter:
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values->join_style = GDK_JOIN_MITER;
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break;
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case JoinRound:
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values->join_style = GDK_JOIN_ROUND;
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break;
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case JoinBevel:
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values->join_style = GDK_JOIN_BEVEL;
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break;
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}
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}
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else
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{
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memset (values, 0, sizeof (GdkGCValues));
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}
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}
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static void
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gdk_x11_gc_set_values (GdkGC *gc,
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GdkGCValues *values,
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GdkGCValuesMask values_mask)
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{
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GdkGCX11 *x11_gc;
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XGCValues xvalues;
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unsigned long xvalues_mask = 0;
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x11_gc = GDK_GC_X11 (gc);
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if (values_mask & (GDK_GC_CLIP_X_ORIGIN | GDK_GC_CLIP_Y_ORIGIN))
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{
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values_mask &= ~(GDK_GC_CLIP_X_ORIGIN | GDK_GC_CLIP_Y_ORIGIN);
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x11_gc->dirty_mask |= GDK_GC_DIRTY_CLIP;
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}
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if (values_mask & (GDK_GC_TS_X_ORIGIN | GDK_GC_TS_Y_ORIGIN))
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{
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values_mask &= ~(GDK_GC_TS_X_ORIGIN | GDK_GC_TS_Y_ORIGIN);
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x11_gc->dirty_mask |= GDK_GC_DIRTY_TS;
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}
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if (values_mask & GDK_GC_CLIP_MASK)
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{
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x11_gc->have_clip_region = FALSE;
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x11_gc->have_clip_mask = values->clip_mask != NULL;
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}
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gdk_x11_gc_values_to_xvalues (values, values_mask, &xvalues, &xvalues_mask);
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XChangeGC (GDK_GC_XDISPLAY (gc),
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GDK_GC_XGC (gc),
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xvalues_mask,
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&xvalues);
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}
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static void
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gdk_x11_gc_set_dashes (GdkGC *gc,
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gint dash_offset,
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gint8 dash_list[],
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gint n)
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{
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g_return_if_fail (GDK_IS_GC (gc));
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g_return_if_fail (dash_list != NULL);
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XSetDashes (GDK_GC_XDISPLAY (gc), GDK_GC_XGC (gc),
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dash_offset, (char *)dash_list, n);
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}
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static void
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gdk_x11_gc_values_to_xvalues (GdkGCValues *values,
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GdkGCValuesMask mask,
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XGCValues *xvalues,
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unsigned long *xvalues_mask)
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{
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/* Optimization for the common case (gdk_gc_new()) */
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if (values == NULL || mask == 0)
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return;
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if (mask & GDK_GC_FOREGROUND)
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{
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xvalues->foreground = values->foreground.pixel;
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*xvalues_mask |= GCForeground;
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}
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if (mask & GDK_GC_BACKGROUND)
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{
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xvalues->background = values->background.pixel;
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*xvalues_mask |= GCBackground;
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}
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if ((mask & GDK_GC_FONT) && (values->font->type == GDK_FONT_FONT))
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{
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xvalues->font = ((XFontStruct *) (GDK_FONT_XFONT (values->font)))->fid;
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*xvalues_mask |= GCFont;
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}
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if (mask & GDK_GC_FUNCTION)
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{
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switch (values->function)
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{
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case GDK_COPY:
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xvalues->function = GXcopy;
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break;
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case GDK_INVERT:
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xvalues->function = GXinvert;
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break;
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case GDK_XOR:
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xvalues->function = GXxor;
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break;
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case GDK_CLEAR:
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xvalues->function = GXclear;
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break;
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case GDK_AND:
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xvalues->function = GXand;
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break;
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case GDK_AND_REVERSE:
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xvalues->function = GXandReverse;
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break;
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case GDK_AND_INVERT:
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xvalues->function = GXandInverted;
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break;
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case GDK_NOOP:
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xvalues->function = GXnoop;
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break;
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case GDK_OR:
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xvalues->function = GXor;
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break;
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case GDK_EQUIV:
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xvalues->function = GXequiv;
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break;
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case GDK_OR_REVERSE:
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xvalues->function = GXorReverse;
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break;
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case GDK_COPY_INVERT:
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xvalues->function = GXcopyInverted;
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break;
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case GDK_OR_INVERT:
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xvalues->function = GXorInverted;
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break;
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case GDK_NAND:
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xvalues->function = GXnand;
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break;
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case GDK_SET:
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xvalues->function = GXset;
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break;
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case GDK_NOR:
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xvalues->function = GXnor;
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break;
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}
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*xvalues_mask |= GCFunction;
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}
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if (mask & GDK_GC_FILL)
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{
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switch (values->fill)
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{
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case GDK_SOLID:
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xvalues->fill_style = FillSolid;
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break;
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case GDK_TILED:
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xvalues->fill_style = FillTiled;
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break;
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case GDK_STIPPLED:
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xvalues->fill_style = FillStippled;
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break;
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case GDK_OPAQUE_STIPPLED:
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xvalues->fill_style = FillOpaqueStippled;
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break;
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}
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*xvalues_mask |= GCFillStyle;
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}
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if (mask & GDK_GC_TILE)
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{
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if (values->tile)
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xvalues->tile = GDK_DRAWABLE_XID (values->tile);
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else
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xvalues->tile = None;
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*xvalues_mask |= GCTile;
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}
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if (mask & GDK_GC_STIPPLE)
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{
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if (values->stipple)
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xvalues->stipple = GDK_DRAWABLE_XID (values->stipple);
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else
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xvalues->stipple = None;
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*xvalues_mask |= GCStipple;
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}
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if (mask & GDK_GC_CLIP_MASK)
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{
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if (values->clip_mask)
|
|
xvalues->clip_mask = GDK_DRAWABLE_XID (values->clip_mask);
|
|
else
|
|
xvalues->clip_mask = None;
|
|
|
|
*xvalues_mask |= GCClipMask;
|
|
|
|
}
|
|
if (mask & GDK_GC_SUBWINDOW)
|
|
{
|
|
xvalues->subwindow_mode = values->subwindow_mode;
|
|
*xvalues_mask |= GCSubwindowMode;
|
|
}
|
|
if (mask & GDK_GC_TS_X_ORIGIN)
|
|
{
|
|
xvalues->ts_x_origin = values->ts_x_origin;
|
|
*xvalues_mask |= GCTileStipXOrigin;
|
|
}
|
|
if (mask & GDK_GC_TS_Y_ORIGIN)
|
|
{
|
|
xvalues->ts_y_origin = values->ts_y_origin;
|
|
*xvalues_mask |= GCTileStipYOrigin;
|
|
}
|
|
if (mask & GDK_GC_CLIP_X_ORIGIN)
|
|
{
|
|
xvalues->clip_x_origin = values->clip_x_origin;
|
|
*xvalues_mask |= GCClipXOrigin;
|
|
}
|
|
if (mask & GDK_GC_CLIP_Y_ORIGIN)
|
|
{
|
|
xvalues->clip_y_origin = values->clip_y_origin;
|
|
*xvalues_mask |= GCClipYOrigin;
|
|
}
|
|
|
|
if (mask & GDK_GC_EXPOSURES)
|
|
{
|
|
xvalues->graphics_exposures = values->graphics_exposures;
|
|
*xvalues_mask |= GCGraphicsExposures;
|
|
}
|
|
|
|
if (mask & GDK_GC_LINE_WIDTH)
|
|
{
|
|
xvalues->line_width = values->line_width;
|
|
*xvalues_mask |= GCLineWidth;
|
|
}
|
|
if (mask & GDK_GC_LINE_STYLE)
|
|
{
|
|
switch (values->line_style)
|
|
{
|
|
case GDK_LINE_SOLID:
|
|
xvalues->line_style = LineSolid;
|
|
break;
|
|
case GDK_LINE_ON_OFF_DASH:
|
|
xvalues->line_style = LineOnOffDash;
|
|
break;
|
|
case GDK_LINE_DOUBLE_DASH:
|
|
xvalues->line_style = LineDoubleDash;
|
|
break;
|
|
}
|
|
*xvalues_mask |= GCLineStyle;
|
|
}
|
|
if (mask & GDK_GC_CAP_STYLE)
|
|
{
|
|
switch (values->cap_style)
|
|
{
|
|
case GDK_CAP_NOT_LAST:
|
|
xvalues->cap_style = CapNotLast;
|
|
break;
|
|
case GDK_CAP_BUTT:
|
|
xvalues->cap_style = CapButt;
|
|
break;
|
|
case GDK_CAP_ROUND:
|
|
xvalues->cap_style = CapRound;
|
|
break;
|
|
case GDK_CAP_PROJECTING:
|
|
xvalues->cap_style = CapProjecting;
|
|
break;
|
|
}
|
|
*xvalues_mask |= GCCapStyle;
|
|
}
|
|
if (mask & GDK_GC_JOIN_STYLE)
|
|
{
|
|
switch (values->join_style)
|
|
{
|
|
case GDK_JOIN_MITER:
|
|
xvalues->join_style = JoinMiter;
|
|
break;
|
|
case GDK_JOIN_ROUND:
|
|
xvalues->join_style = JoinRound;
|
|
break;
|
|
case GDK_JOIN_BEVEL:
|
|
xvalues->join_style = JoinBevel;
|
|
break;
|
|
}
|
|
*xvalues_mask |= GCJoinStyle;
|
|
}
|
|
|
|
}
|
|
|
|
void
|
|
_gdk_windowing_gc_set_clip_region (GdkGC *gc,
|
|
const GdkRegion *region,
|
|
gboolean reset_origin)
|
|
{
|
|
GdkGCX11 *x11_gc = GDK_GC_X11 (gc);
|
|
|
|
/* Unset immediately, to make sure Xlib doesn't keep the
|
|
* XID of an old clip mask cached
|
|
*/
|
|
if ((x11_gc->have_clip_region && !region) || x11_gc->have_clip_mask)
|
|
{
|
|
XSetClipMask (GDK_GC_XDISPLAY (gc), GDK_GC_XGC (gc), None);
|
|
x11_gc->have_clip_mask = FALSE;
|
|
}
|
|
|
|
x11_gc->have_clip_region = region != NULL;
|
|
|
|
if (reset_origin)
|
|
{
|
|
gc->clip_x_origin = 0;
|
|
gc->clip_y_origin = 0;
|
|
}
|
|
|
|
x11_gc->dirty_mask |= GDK_GC_DIRTY_CLIP;
|
|
}
|
|
|
|
void
|
|
_gdk_windowing_gc_copy (GdkGC *dst_gc,
|
|
GdkGC *src_gc)
|
|
{
|
|
GdkGCX11 *x11_src_gc = GDK_GC_X11 (src_gc);
|
|
GdkGCX11 *x11_dst_gc = GDK_GC_X11 (dst_gc);
|
|
|
|
XCopyGC (GDK_GC_XDISPLAY (src_gc), GDK_GC_XGC (src_gc), ~((~1) << GCLastBit),
|
|
GDK_GC_XGC (dst_gc));
|
|
|
|
x11_dst_gc->dirty_mask = x11_src_gc->dirty_mask;
|
|
x11_dst_gc->have_clip_region = x11_src_gc->have_clip_region;
|
|
x11_dst_gc->have_clip_mask = x11_src_gc->have_clip_mask;
|
|
}
|
|
|
|
/**
|
|
* gdk_gc_get_screen:
|
|
* @gc: a #GdkGC.
|
|
*
|
|
* Gets the #GdkScreen for which @gc was created
|
|
*
|
|
* Returns: the #GdkScreen for @gc.
|
|
*
|
|
* Since: 2.2
|
|
*/
|
|
GdkScreen *
|
|
gdk_gc_get_screen (GdkGC *gc)
|
|
{
|
|
g_return_val_if_fail (GDK_IS_GC_X11 (gc), NULL);
|
|
|
|
return GDK_GC_X11 (gc)->screen;
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_gc_get_xdisplay:
|
|
* @gc: a #GdkGC.
|
|
*
|
|
* Returns the display of a #GdkGC.
|
|
*
|
|
* Return value: an Xlib <type>Display*</type>.
|
|
**/
|
|
Display *
|
|
gdk_x11_gc_get_xdisplay (GdkGC *gc)
|
|
{
|
|
g_return_val_if_fail (GDK_IS_GC_X11 (gc), NULL);
|
|
|
|
return GDK_SCREEN_XDISPLAY (gdk_gc_get_screen (gc));
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_gc_get_xgc:
|
|
* @gc: a #GdkGC.
|
|
*
|
|
* Returns the X GC of a #GdkGC.
|
|
*
|
|
* Return value: an Xlib <type>GC</type>.
|
|
**/
|
|
GC
|
|
gdk_x11_gc_get_xgc (GdkGC *gc)
|
|
{
|
|
GdkGCX11 *gc_x11;
|
|
|
|
g_return_val_if_fail (GDK_IS_GC_X11 (gc), NULL);
|
|
|
|
gc_x11 = GDK_GC_X11 (gc);
|
|
|
|
if (gc_x11->dirty_mask)
|
|
_gdk_x11_gc_flush (gc);
|
|
|
|
return gc_x11->xgc;
|
|
}
|
|
|
|
#define __GDK_GC_X11_C__
|
|
#include "gdkaliasdef.c"
|