289f6a38fe
Sat Feb 7 11:33:08 1998 Owen Taylor <owt1@cornell.edu> * gdk/gdkgc.c (gdk_gc_copy): use a mask of 0xffffffff instead of 0xffff, since there are 22 flags currently defined. (From: Jon Trowbridge <trow@emccta.com>) Changed to something better. ~((~1) << GCLastBit) (From: from Daniel Stephens <daniel@cheeseplant.org>)
694 lines
15 KiB
C
694 lines
15 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 Library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <string.h>
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#include <X11/Xlib.h>
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#include "gdk.h"
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#include "gdkprivate.h"
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GdkGC*
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gdk_gc_new (GdkWindow *window)
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{
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return gdk_gc_new_with_values (window, NULL, 0);
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}
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GdkGC*
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gdk_gc_new_with_values (GdkWindow *window,
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GdkGCValues *values,
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GdkGCValuesMask values_mask)
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{
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GdkWindowPrivate *window_private;
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GdkGC *gc;
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GdkGCPrivate *private;
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Window xwindow;
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XGCValues xvalues;
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unsigned long xvalues_mask;
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g_return_val_if_fail (window != NULL, NULL);
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window_private = (GdkWindowPrivate*) window;
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if (window_private->destroyed)
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return NULL;
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private = g_new (GdkGCPrivate, 1);
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gc = (GdkGC*) private;
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xwindow = window_private->xwindow;
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private->xdisplay = window_private->xdisplay;
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private->ref_count = 1;
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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 = True;
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xvalues_mask = GCFunction | GCFillStyle | GCArcMode | GCSubwindowMode | GCGraphicsExposures;
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if (values_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 (values_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 ((values_mask & GDK_GC_FONT) && (values->font->type == GDK_FONT_FONT))
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{
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xvalues.font = ((XFontStruct *) ((GdkFontPrivate*) values->font)->xfont)->fid;
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xvalues_mask |= GCFont;
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}
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if (values_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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}
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xvalues_mask |= GCFunction;
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}
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if (values_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 (values_mask & GDK_GC_TILE)
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{
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xvalues.tile = ((GdkPixmapPrivate*) values->tile)->xwindow;
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xvalues_mask |= GCTile;
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}
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if (values_mask & GDK_GC_STIPPLE)
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{
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xvalues.stipple = ((GdkPixmapPrivate*) values->stipple)->xwindow;
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xvalues_mask |= GCStipple;
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}
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if (values_mask & GDK_GC_CLIP_MASK)
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{
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xvalues.clip_mask = ((GdkPixmapPrivate*) values->clip_mask)->xwindow;
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xvalues_mask |= GCClipMask;
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}
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if (values_mask & GDK_GC_SUBWINDOW)
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{
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xvalues.subwindow_mode = values->subwindow_mode;
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xvalues_mask |= GCSubwindowMode;
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}
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if (values_mask & GDK_GC_TS_X_ORIGIN)
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{
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xvalues.ts_x_origin = values->ts_x_origin;
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xvalues_mask |= GCTileStipXOrigin;
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}
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if (values_mask & GDK_GC_TS_Y_ORIGIN)
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{
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xvalues.ts_y_origin = values->ts_y_origin;
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xvalues_mask |= GCTileStipYOrigin;
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}
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if (values_mask & GDK_GC_CLIP_X_ORIGIN)
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{
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xvalues.clip_x_origin = values->clip_x_origin;
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xvalues_mask |= GCClipXOrigin;
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}
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if (values_mask & GDK_GC_CLIP_Y_ORIGIN)
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{
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xvalues.clip_y_origin = values->clip_y_origin;
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xvalues_mask |= GCClipYOrigin;
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}
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if (values_mask & GDK_GC_EXPOSURES)
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xvalues.graphics_exposures = values->graphics_exposures;
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else
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xvalues.graphics_exposures = False;
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xvalues_mask |= GCGraphicsExposures;
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if (values_mask & GDK_GC_LINE_WIDTH)
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{
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xvalues.line_width = values->line_width;
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xvalues_mask |= GCLineWidth;
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}
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if (values_mask & GDK_GC_LINE_STYLE)
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{
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switch (values->line_style)
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{
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case GDK_LINE_SOLID:
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xvalues.line_style = LineSolid;
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break;
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case GDK_LINE_ON_OFF_DASH:
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xvalues.line_style = LineOnOffDash;
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break;
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case GDK_LINE_DOUBLE_DASH:
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xvalues.line_style = LineDoubleDash;
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break;
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}
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xvalues_mask |= GCLineStyle;
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}
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if (values_mask & GDK_GC_CAP_STYLE)
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{
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switch (values->cap_style)
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{
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case GDK_CAP_NOT_LAST:
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xvalues.cap_style = CapNotLast;
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break;
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case GDK_CAP_BUTT:
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xvalues.cap_style = CapButt;
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break;
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case GDK_CAP_ROUND:
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xvalues.cap_style = CapRound;
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break;
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case GDK_CAP_PROJECTING:
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xvalues.cap_style = CapProjecting;
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break;
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}
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xvalues_mask |= GCCapStyle;
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}
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if (values_mask & GDK_GC_JOIN_STYLE)
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{
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switch (values->join_style)
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{
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case GDK_JOIN_MITER:
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xvalues.join_style = JoinMiter;
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break;
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case GDK_JOIN_ROUND:
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xvalues.join_style = JoinRound;
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break;
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case GDK_JOIN_BEVEL:
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xvalues.join_style = JoinBevel;
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break;
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}
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xvalues_mask |= GCJoinStyle;
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}
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private->xgc = XCreateGC (private->xdisplay, xwindow, xvalues_mask, &xvalues);
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return gc;
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}
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void
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gdk_gc_destroy (GdkGC *gc)
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{
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gdk_gc_unref (gc);
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}
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GdkGC *
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gdk_gc_ref (GdkGC *gc)
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{
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GdkGCPrivate *private = (GdkGCPrivate*) gc;
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g_return_val_if_fail (gc != NULL, NULL);
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private->ref_count += 1;
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return gc;
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}
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void
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gdk_gc_unref (GdkGC *gc)
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{
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GdkGCPrivate *private = (GdkGCPrivate*) gc;
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g_return_if_fail (gc != NULL);
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if (private->ref_count > 1)
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private->ref_count -= 1;
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else
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{
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XFreeGC (private->xdisplay, private->xgc);
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memset (gc, 0, sizeof (GdkGCPrivate));
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g_free (gc);
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}
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}
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void
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gdk_gc_get_values (GdkGC *gc,
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GdkGCValues *values)
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{
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GdkGCPrivate *private;
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XGCValues xvalues;
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g_return_if_fail (gc != NULL);
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g_return_if_fail (values != NULL);
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private = (GdkGCPrivate*) gc;
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if (XGetGCValues (private->xdisplay, private->xgc,
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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 (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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}
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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 (xvalues.tile);
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values->stipple = gdk_pixmap_lookup (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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void
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gdk_gc_set_foreground (GdkGC *gc,
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GdkColor *color)
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{
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GdkGCPrivate *private;
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g_return_if_fail (gc != NULL);
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g_return_if_fail (color != NULL);
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private = (GdkGCPrivate*) gc;
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XSetForeground (private->xdisplay, private->xgc, color->pixel);
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}
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void
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gdk_gc_set_background (GdkGC *gc,
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GdkColor *color)
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{
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GdkGCPrivate *private;
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g_return_if_fail (gc != NULL);
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g_return_if_fail (color != NULL);
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private = (GdkGCPrivate*) gc;
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XSetBackground (private->xdisplay, private->xgc, color->pixel);
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}
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void
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gdk_gc_set_font (GdkGC *gc,
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GdkFont *font)
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{
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GdkGCPrivate *gc_private;
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GdkFontPrivate *font_private;
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g_return_if_fail (gc != NULL);
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g_return_if_fail (font != NULL);
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if (font->type == GDK_FONT_FONT)
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{
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gc_private = (GdkGCPrivate*) gc;
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font_private = (GdkFontPrivate*) font;
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XSetFont (gc_private->xdisplay, gc_private->xgc,
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((XFontStruct *) font_private->xfont)->fid);
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}
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}
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void
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gdk_gc_set_function (GdkGC *gc,
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GdkFunction function)
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{
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GdkGCPrivate *private;
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g_return_if_fail (gc != NULL);
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private = (GdkGCPrivate*) gc;
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switch (function)
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{
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case GDK_COPY:
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XSetFunction (private->xdisplay, private->xgc, GXcopy);
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break;
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case GDK_INVERT:
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XSetFunction (private->xdisplay, private->xgc, GXinvert);
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break;
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case GDK_XOR:
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XSetFunction (private->xdisplay, private->xgc, GXor);
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break;
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}
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}
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void
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gdk_gc_set_fill (GdkGC *gc,
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GdkFill fill)
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{
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GdkGCPrivate *private;
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g_return_if_fail (gc != NULL);
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private = (GdkGCPrivate*) gc;
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switch (fill)
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{
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case GDK_SOLID:
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XSetFillStyle (private->xdisplay, private->xgc, FillSolid);
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break;
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case GDK_TILED:
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XSetFillStyle (private->xdisplay, private->xgc, FillTiled);
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break;
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case GDK_STIPPLED:
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XSetFillStyle (private->xdisplay, private->xgc, FillStippled);
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break;
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case GDK_OPAQUE_STIPPLED:
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XSetFillStyle (private->xdisplay, private->xgc, FillOpaqueStippled);
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break;
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}
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}
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void
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gdk_gc_set_tile (GdkGC *gc,
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GdkPixmap *tile)
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{
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GdkGCPrivate *private;
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GdkPixmapPrivate *pixmap_private;
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Pixmap pixmap;
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g_return_if_fail (gc != NULL);
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private = (GdkGCPrivate*) gc;
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pixmap = None;
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if (tile)
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{
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pixmap_private = (GdkPixmapPrivate*) tile;
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pixmap = pixmap_private->xwindow;
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}
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XSetTile (private->xdisplay, private->xgc, pixmap);
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}
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void
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gdk_gc_set_stipple (GdkGC *gc,
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GdkPixmap *stipple)
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{
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GdkGCPrivate *private;
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GdkPixmapPrivate *pixmap_private;
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Pixmap pixmap;
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g_return_if_fail (gc != NULL);
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private = (GdkGCPrivate*) gc;
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pixmap = None;
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if (stipple)
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{
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pixmap_private = (GdkPixmapPrivate*) stipple;
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pixmap = pixmap_private->xwindow;
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}
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XSetStipple (private->xdisplay, private->xgc, pixmap);
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}
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void
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gdk_gc_set_ts_origin (GdkGC *gc,
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gint x,
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gint y)
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{
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GdkGCPrivate *private;
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g_return_if_fail (gc != NULL);
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private = (GdkGCPrivate*) gc;
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XSetTSOrigin (private->xdisplay, private->xgc, x, y);
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}
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void
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gdk_gc_set_clip_origin (GdkGC *gc,
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gint x,
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gint y)
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{
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GdkGCPrivate *private;
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g_return_if_fail (gc != NULL);
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private = (GdkGCPrivate*) gc;
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XSetClipOrigin (private->xdisplay, private->xgc, x, y);
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}
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void
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gdk_gc_set_clip_mask (GdkGC *gc,
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GdkBitmap *mask)
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{
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GdkGCPrivate *private;
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Pixmap xmask;
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g_return_if_fail (gc != NULL);
|
|
|
|
if (mask)
|
|
{
|
|
GdkWindowPrivate *mask_private;
|
|
|
|
mask_private = (GdkWindowPrivate*) mask;
|
|
if (mask_private->destroyed)
|
|
return;
|
|
xmask = mask_private->xwindow;
|
|
}
|
|
else
|
|
xmask = None;
|
|
|
|
private = (GdkGCPrivate*) gc;
|
|
|
|
XSetClipMask (private->xdisplay, private->xgc, xmask);
|
|
}
|
|
|
|
|
|
void
|
|
gdk_gc_set_clip_rectangle (GdkGC *gc,
|
|
GdkRectangle *rectangle)
|
|
{
|
|
GdkGCPrivate *private;
|
|
XRectangle xrectangle;
|
|
|
|
g_return_if_fail (gc != NULL);
|
|
|
|
private = (GdkGCPrivate*) gc;
|
|
|
|
if (rectangle)
|
|
{
|
|
xrectangle.x = rectangle->x;
|
|
xrectangle.y = rectangle->y;
|
|
xrectangle.width = rectangle->width;
|
|
xrectangle.height = rectangle->height;
|
|
|
|
XSetClipRectangles (private->xdisplay, private->xgc, 0, 0,
|
|
&xrectangle, 1, Unsorted);
|
|
}
|
|
else
|
|
XSetClipMask (private->xdisplay, private->xgc, None);
|
|
}
|
|
|
|
void
|
|
gdk_gc_set_subwindow (GdkGC *gc,
|
|
GdkSubwindowMode mode)
|
|
{
|
|
GdkGCPrivate *private;
|
|
|
|
g_return_if_fail (gc != NULL);
|
|
|
|
private = (GdkGCPrivate*) gc;
|
|
|
|
XSetSubwindowMode (private->xdisplay, private->xgc, mode);
|
|
}
|
|
|
|
void
|
|
gdk_gc_set_exposures (GdkGC *gc,
|
|
gint exposures)
|
|
{
|
|
GdkGCPrivate *private;
|
|
|
|
g_return_if_fail (gc != NULL);
|
|
|
|
private = (GdkGCPrivate*) gc;
|
|
|
|
XSetGraphicsExposures (private->xdisplay, private->xgc, exposures);
|
|
}
|
|
|
|
void
|
|
gdk_gc_set_line_attributes (GdkGC *gc,
|
|
gint line_width,
|
|
GdkLineStyle line_style,
|
|
GdkCapStyle cap_style,
|
|
GdkJoinStyle join_style)
|
|
{
|
|
GdkGCPrivate *private;
|
|
int xline_style;
|
|
int xcap_style;
|
|
int xjoin_style;
|
|
|
|
g_return_if_fail (gc != NULL);
|
|
|
|
private = (GdkGCPrivate*) gc;
|
|
|
|
switch (line_style)
|
|
{
|
|
case GDK_LINE_SOLID:
|
|
xline_style = LineSolid;
|
|
break;
|
|
case GDK_LINE_ON_OFF_DASH:
|
|
xline_style = LineOnOffDash;
|
|
break;
|
|
case GDK_LINE_DOUBLE_DASH:
|
|
xline_style = LineDoubleDash;
|
|
break;
|
|
default:
|
|
xline_style = None;
|
|
}
|
|
|
|
switch (cap_style)
|
|
{
|
|
case GDK_CAP_NOT_LAST:
|
|
xcap_style = CapNotLast;
|
|
break;
|
|
case GDK_CAP_BUTT:
|
|
xcap_style = CapButt;
|
|
break;
|
|
case GDK_CAP_ROUND:
|
|
xcap_style = CapRound;
|
|
break;
|
|
case GDK_CAP_PROJECTING:
|
|
xcap_style = CapProjecting;
|
|
break;
|
|
default:
|
|
xcap_style = None;
|
|
}
|
|
|
|
switch (join_style)
|
|
{
|
|
case GDK_JOIN_MITER:
|
|
xjoin_style = JoinMiter;
|
|
break;
|
|
case GDK_JOIN_ROUND:
|
|
xjoin_style = JoinRound;
|
|
break;
|
|
case GDK_JOIN_BEVEL:
|
|
xjoin_style = JoinBevel;
|
|
break;
|
|
default:
|
|
xjoin_style = None;
|
|
}
|
|
|
|
XSetLineAttributes (private->xdisplay, private->xgc, line_width,
|
|
xline_style, xcap_style, xjoin_style);
|
|
}
|
|
|
|
void
|
|
gdk_gc_copy (GdkGC *dst_gc, GdkGC *src_gc)
|
|
{
|
|
GdkGCPrivate *dst_private, *src_private;
|
|
|
|
src_private = (GdkGCPrivate *) src_gc;
|
|
dst_private = (GdkGCPrivate *) dst_gc;
|
|
|
|
XCopyGC (src_private->xdisplay, src_private->xgc, ~((~1) << GCLastBit),
|
|
dst_private->xgc);
|
|
}
|