mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-14 04:31:09 +00:00
e2a5219220
history of the evolution of the changes involved. Most of this is actually minor painting tweaks.
840 lines
18 KiB
C
840 lines
18 KiB
C
/* GDK - The GIMP Drawing Kit
|
|
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
#include <string.h>
|
|
#include <X11/Xlib.h>
|
|
#include "gdk.h"
|
|
#include "gdkprivate.h"
|
|
|
|
|
|
GdkGC*
|
|
gdk_gc_new (GdkWindow *window)
|
|
{
|
|
return gdk_gc_new_with_values (window, NULL, 0);
|
|
}
|
|
|
|
GdkGC*
|
|
gdk_gc_new_with_values (GdkWindow *window,
|
|
GdkGCValues *values,
|
|
GdkGCValuesMask values_mask)
|
|
{
|
|
GdkWindowPrivate *window_private;
|
|
GdkGC *gc;
|
|
GdkGCPrivate *private;
|
|
Window xwindow;
|
|
XGCValues xvalues;
|
|
unsigned long xvalues_mask;
|
|
|
|
g_return_val_if_fail (window != NULL, NULL);
|
|
|
|
window_private = (GdkWindowPrivate*) window;
|
|
if (window_private->destroyed)
|
|
return NULL;
|
|
|
|
private = g_new (GdkGCPrivate, 1);
|
|
gc = (GdkGC*) private;
|
|
|
|
xwindow = window_private->xwindow;
|
|
private->xdisplay = window_private->xdisplay;
|
|
private->ref_count = 1;
|
|
|
|
xvalues.function = GXcopy;
|
|
xvalues.fill_style = FillSolid;
|
|
xvalues.arc_mode = ArcPieSlice;
|
|
xvalues.subwindow_mode = ClipByChildren;
|
|
xvalues.graphics_exposures = True;
|
|
xvalues_mask = GCFunction | GCFillStyle | GCArcMode | GCSubwindowMode | GCGraphicsExposures;
|
|
|
|
if (values_mask & GDK_GC_FOREGROUND)
|
|
{
|
|
xvalues.foreground = values->foreground.pixel;
|
|
xvalues_mask |= GCForeground;
|
|
}
|
|
if (values_mask & GDK_GC_BACKGROUND)
|
|
{
|
|
xvalues.background = values->background.pixel;
|
|
xvalues_mask |= GCBackground;
|
|
}
|
|
if ((values_mask & GDK_GC_FONT) && (values->font->type == GDK_FONT_FONT))
|
|
{
|
|
xvalues.font = ((XFontStruct *) ((GdkFontPrivate*) values->font)->xfont)->fid;
|
|
xvalues_mask |= GCFont;
|
|
}
|
|
if (values_mask & GDK_GC_FUNCTION)
|
|
{
|
|
switch (values->function)
|
|
{
|
|
case GDK_COPY:
|
|
xvalues.function = GXcopy;
|
|
break;
|
|
case GDK_INVERT:
|
|
xvalues.function = GXinvert;
|
|
break;
|
|
case GDK_XOR:
|
|
xvalues.function = GXxor;
|
|
break;
|
|
case GDK_CLEAR:
|
|
xvalues.function = GXclear;
|
|
break;
|
|
case GDK_AND:
|
|
xvalues.function = GXand;
|
|
break;
|
|
case GDK_AND_REVERSE:
|
|
xvalues.function = GXandReverse;
|
|
break;
|
|
case GDK_AND_INVERT:
|
|
xvalues.function = GXandInverted;
|
|
break;
|
|
case GDK_NOOP:
|
|
xvalues.function = GXnoop;
|
|
break;
|
|
case GDK_OR:
|
|
xvalues.function = GXor;
|
|
break;
|
|
case GDK_EQUIV:
|
|
xvalues.function = GXequiv;
|
|
break;
|
|
case GDK_OR_REVERSE:
|
|
xvalues.function = GXorReverse;
|
|
break;
|
|
case GDK_COPY_INVERT:
|
|
xvalues.function = GXcopyInverted;
|
|
break;
|
|
case GDK_OR_INVERT:
|
|
xvalues.function = GXorInverted;
|
|
break;
|
|
case GDK_NAND:
|
|
xvalues.function = GXnand;
|
|
break;
|
|
case GDK_SET:
|
|
xvalues.function = GXset;
|
|
break;
|
|
}
|
|
xvalues_mask |= GCFunction;
|
|
}
|
|
if (values_mask & GDK_GC_FILL)
|
|
{
|
|
switch (values->fill)
|
|
{
|
|
case GDK_SOLID:
|
|
xvalues.fill_style = FillSolid;
|
|
break;
|
|
case GDK_TILED:
|
|
xvalues.fill_style = FillTiled;
|
|
break;
|
|
case GDK_STIPPLED:
|
|
xvalues.fill_style = FillStippled;
|
|
break;
|
|
case GDK_OPAQUE_STIPPLED:
|
|
xvalues.fill_style = FillOpaqueStippled;
|
|
break;
|
|
}
|
|
xvalues_mask |= GCFillStyle;
|
|
}
|
|
if (values_mask & GDK_GC_TILE)
|
|
{
|
|
xvalues.tile = ((GdkPixmapPrivate*) values->tile)->xwindow;
|
|
xvalues_mask |= GCTile;
|
|
}
|
|
if (values_mask & GDK_GC_STIPPLE)
|
|
{
|
|
xvalues.stipple = ((GdkPixmapPrivate*) values->stipple)->xwindow;
|
|
xvalues_mask |= GCStipple;
|
|
}
|
|
if (values_mask & GDK_GC_CLIP_MASK)
|
|
{
|
|
xvalues.clip_mask = ((GdkPixmapPrivate*) values->clip_mask)->xwindow;
|
|
xvalues_mask |= GCClipMask;
|
|
}
|
|
if (values_mask & GDK_GC_SUBWINDOW)
|
|
{
|
|
xvalues.subwindow_mode = values->subwindow_mode;
|
|
xvalues_mask |= GCSubwindowMode;
|
|
}
|
|
if (values_mask & GDK_GC_TS_X_ORIGIN)
|
|
{
|
|
xvalues.ts_x_origin = values->ts_x_origin;
|
|
xvalues_mask |= GCTileStipXOrigin;
|
|
}
|
|
if (values_mask & GDK_GC_TS_Y_ORIGIN)
|
|
{
|
|
xvalues.ts_y_origin = values->ts_y_origin;
|
|
xvalues_mask |= GCTileStipYOrigin;
|
|
}
|
|
if (values_mask & GDK_GC_CLIP_X_ORIGIN)
|
|
{
|
|
xvalues.clip_x_origin = values->clip_x_origin;
|
|
xvalues_mask |= GCClipXOrigin;
|
|
}
|
|
if (values_mask & GDK_GC_CLIP_Y_ORIGIN)
|
|
{
|
|
xvalues.clip_y_origin = values->clip_y_origin;
|
|
xvalues_mask |= GCClipYOrigin;
|
|
}
|
|
|
|
if (values_mask & GDK_GC_EXPOSURES)
|
|
xvalues.graphics_exposures = values->graphics_exposures;
|
|
else
|
|
xvalues.graphics_exposures = False;
|
|
xvalues_mask |= GCGraphicsExposures;
|
|
|
|
if (values_mask & GDK_GC_LINE_WIDTH)
|
|
{
|
|
xvalues.line_width = values->line_width;
|
|
xvalues_mask |= GCLineWidth;
|
|
}
|
|
if (values_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 (values_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 (values_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;
|
|
}
|
|
|
|
private->xgc = XCreateGC (private->xdisplay, xwindow, xvalues_mask, &xvalues);
|
|
|
|
return gc;
|
|
}
|
|
|
|
void
|
|
gdk_gc_destroy (GdkGC *gc)
|
|
{
|
|
gdk_gc_unref (gc);
|
|
}
|
|
|
|
GdkGC *
|
|
gdk_gc_ref (GdkGC *gc)
|
|
{
|
|
GdkGCPrivate *private = (GdkGCPrivate*) gc;
|
|
|
|
g_return_val_if_fail (gc != NULL, NULL);
|
|
private->ref_count += 1;
|
|
|
|
return gc;
|
|
}
|
|
|
|
void
|
|
gdk_gc_unref (GdkGC *gc)
|
|
{
|
|
GdkGCPrivate *private = (GdkGCPrivate*) gc;
|
|
|
|
g_return_if_fail (gc != NULL);
|
|
|
|
if (private->ref_count > 1)
|
|
private->ref_count -= 1;
|
|
else
|
|
{
|
|
XFreeGC (private->xdisplay, private->xgc);
|
|
memset (gc, 0, sizeof (GdkGCPrivate));
|
|
g_free (gc);
|
|
}
|
|
}
|
|
|
|
void
|
|
gdk_gc_get_values (GdkGC *gc,
|
|
GdkGCValues *values)
|
|
{
|
|
GdkGCPrivate *private;
|
|
XGCValues xvalues;
|
|
|
|
g_return_if_fail (gc != NULL);
|
|
g_return_if_fail (values != NULL);
|
|
|
|
private = (GdkGCPrivate*) gc;
|
|
|
|
if (XGetGCValues (private->xdisplay, private->xgc,
|
|
GCForeground | GCBackground | GCFont |
|
|
GCFunction | GCTile | GCStipple | /* GCClipMask | */
|
|
GCSubwindowMode | GCGraphicsExposures |
|
|
GCTileStipXOrigin | GCTileStipYOrigin |
|
|
GCClipXOrigin | GCClipYOrigin |
|
|
GCLineWidth | GCLineStyle | GCCapStyle |
|
|
GCFillStyle | GCJoinStyle, &xvalues))
|
|
{
|
|
values->foreground.pixel = xvalues.foreground;
|
|
values->background.pixel = xvalues.background;
|
|
values->font = gdk_font_lookup (xvalues.font);
|
|
|
|
switch (xvalues.function)
|
|
{
|
|
case GXcopy:
|
|
values->function = GDK_COPY;
|
|
break;
|
|
case GXinvert:
|
|
values->function = GDK_INVERT;
|
|
break;
|
|
case GXxor:
|
|
values->function = GDK_XOR;
|
|
break;
|
|
case GXclear:
|
|
values->function = GDK_CLEAR;
|
|
break;
|
|
case GXand:
|
|
values->function = GDK_AND;
|
|
break;
|
|
case GXandReverse:
|
|
values->function = GDK_AND_REVERSE;
|
|
break;
|
|
case GXandInverted:
|
|
values->function = GDK_AND_INVERT;
|
|
break;
|
|
case GXnoop:
|
|
values->function = GDK_NOOP;
|
|
break;
|
|
case GXor:
|
|
values->function = GDK_OR;
|
|
break;
|
|
case GXequiv:
|
|
values->function = GDK_EQUIV;
|
|
break;
|
|
case GXorReverse:
|
|
values->function = GDK_OR_REVERSE;
|
|
break;
|
|
case GXcopyInverted:
|
|
values->function =GDK_COPY_INVERT;
|
|
break;
|
|
case GXorInverted:
|
|
values->function = GDK_OR_INVERT;
|
|
break;
|
|
case GXnand:
|
|
values->function = GDK_NAND;
|
|
break;
|
|
case GXset:
|
|
values->function = GDK_SET;
|
|
break;
|
|
}
|
|
|
|
switch (xvalues.fill_style)
|
|
{
|
|
case FillSolid:
|
|
values->fill = GDK_SOLID;
|
|
break;
|
|
case FillTiled:
|
|
values->fill = GDK_TILED;
|
|
break;
|
|
case FillStippled:
|
|
values->fill = GDK_STIPPLED;
|
|
break;
|
|
case FillOpaqueStippled:
|
|
values->fill = GDK_OPAQUE_STIPPLED;
|
|
break;
|
|
}
|
|
|
|
values->tile = gdk_pixmap_lookup (xvalues.tile);
|
|
values->stipple = gdk_pixmap_lookup (xvalues.stipple);
|
|
values->clip_mask = NULL;
|
|
values->subwindow_mode = xvalues.subwindow_mode;
|
|
values->ts_x_origin = xvalues.ts_x_origin;
|
|
values->ts_y_origin = xvalues.ts_y_origin;
|
|
values->clip_x_origin = xvalues.clip_x_origin;
|
|
values->clip_y_origin = xvalues.clip_y_origin;
|
|
values->graphics_exposures = xvalues.graphics_exposures;
|
|
values->line_width = xvalues.line_width;
|
|
|
|
switch (xvalues.line_style)
|
|
{
|
|
case LineSolid:
|
|
values->line_style = GDK_LINE_SOLID;
|
|
break;
|
|
case LineOnOffDash:
|
|
values->line_style = GDK_LINE_ON_OFF_DASH;
|
|
break;
|
|
case LineDoubleDash:
|
|
values->line_style = GDK_LINE_DOUBLE_DASH;
|
|
break;
|
|
}
|
|
|
|
switch (xvalues.cap_style)
|
|
{
|
|
case CapNotLast:
|
|
values->cap_style = GDK_CAP_NOT_LAST;
|
|
break;
|
|
case CapButt:
|
|
values->cap_style = GDK_CAP_BUTT;
|
|
break;
|
|
case CapRound:
|
|
values->cap_style = GDK_CAP_ROUND;
|
|
break;
|
|
case CapProjecting:
|
|
values->cap_style = GDK_CAP_PROJECTING;
|
|
break;
|
|
}
|
|
|
|
switch (xvalues.join_style)
|
|
{
|
|
case JoinMiter:
|
|
values->join_style = GDK_JOIN_MITER;
|
|
break;
|
|
case JoinRound:
|
|
values->join_style = GDK_JOIN_ROUND;
|
|
break;
|
|
case JoinBevel:
|
|
values->join_style = GDK_JOIN_BEVEL;
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
memset (values, 0, sizeof (GdkGCValues));
|
|
}
|
|
}
|
|
|
|
void
|
|
gdk_gc_set_foreground (GdkGC *gc,
|
|
GdkColor *color)
|
|
{
|
|
GdkGCPrivate *private;
|
|
|
|
g_return_if_fail (gc != NULL);
|
|
g_return_if_fail (color != NULL);
|
|
|
|
private = (GdkGCPrivate*) gc;
|
|
XSetForeground (private->xdisplay, private->xgc, color->pixel);
|
|
}
|
|
|
|
void
|
|
gdk_gc_set_background (GdkGC *gc,
|
|
GdkColor *color)
|
|
{
|
|
GdkGCPrivate *private;
|
|
|
|
g_return_if_fail (gc != NULL);
|
|
g_return_if_fail (color != NULL);
|
|
|
|
private = (GdkGCPrivate*) gc;
|
|
XSetBackground (private->xdisplay, private->xgc, color->pixel);
|
|
}
|
|
|
|
void
|
|
gdk_gc_set_font (GdkGC *gc,
|
|
GdkFont *font)
|
|
{
|
|
GdkGCPrivate *gc_private;
|
|
GdkFontPrivate *font_private;
|
|
|
|
g_return_if_fail (gc != NULL);
|
|
g_return_if_fail (font != NULL);
|
|
|
|
if (font->type == GDK_FONT_FONT)
|
|
{
|
|
gc_private = (GdkGCPrivate*) gc;
|
|
font_private = (GdkFontPrivate*) font;
|
|
|
|
XSetFont (gc_private->xdisplay, gc_private->xgc,
|
|
((XFontStruct *) font_private->xfont)->fid);
|
|
}
|
|
}
|
|
|
|
void
|
|
gdk_gc_set_function (GdkGC *gc,
|
|
GdkFunction function)
|
|
{
|
|
GdkGCPrivate *private;
|
|
|
|
g_return_if_fail (gc != NULL);
|
|
|
|
private = (GdkGCPrivate*) gc;
|
|
|
|
switch (function)
|
|
{
|
|
case GDK_COPY:
|
|
XSetFunction (private->xdisplay, private->xgc, GXcopy);
|
|
break;
|
|
case GDK_INVERT:
|
|
XSetFunction (private->xdisplay, private->xgc, GXinvert);
|
|
break;
|
|
case GDK_XOR:
|
|
XSetFunction (private->xdisplay, private->xgc, GXxor);
|
|
break;
|
|
case GDK_CLEAR:
|
|
XSetFunction (private->xdisplay, private->xgc, GXclear);
|
|
break;
|
|
case GDK_AND:
|
|
XSetFunction (private->xdisplay, private->xgc, GXand);
|
|
break;
|
|
case GDK_AND_REVERSE:
|
|
XSetFunction (private->xdisplay, private->xgc, GXandReverse);
|
|
break;
|
|
case GDK_AND_INVERT:
|
|
XSetFunction (private->xdisplay, private->xgc, GXandInverted);
|
|
break;
|
|
case GDK_NOOP:
|
|
XSetFunction (private->xdisplay, private->xgc, GXnoop);
|
|
break;
|
|
case GDK_OR:
|
|
XSetFunction (private->xdisplay, private->xgc, GXor);
|
|
break;
|
|
case GDK_EQUIV:
|
|
XSetFunction (private->xdisplay, private->xgc, GXequiv);
|
|
break;
|
|
case GDK_OR_REVERSE:
|
|
XSetFunction (private->xdisplay, private->xgc, GXorReverse);
|
|
break;
|
|
case GDK_COPY_INVERT:
|
|
XSetFunction (private->xdisplay, private->xgc, GXcopyInverted);
|
|
break;
|
|
case GDK_OR_INVERT:
|
|
XSetFunction (private->xdisplay, private->xgc, GXorInverted);
|
|
break;
|
|
case GDK_NAND:
|
|
XSetFunction (private->xdisplay, private->xgc, GXnand);
|
|
break;
|
|
case GDK_SET:
|
|
XSetFunction (private->xdisplay, private->xgc, GXset);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
gdk_gc_set_fill (GdkGC *gc,
|
|
GdkFill fill)
|
|
{
|
|
GdkGCPrivate *private;
|
|
|
|
g_return_if_fail (gc != NULL);
|
|
|
|
private = (GdkGCPrivate*) gc;
|
|
|
|
switch (fill)
|
|
{
|
|
case GDK_SOLID:
|
|
XSetFillStyle (private->xdisplay, private->xgc, FillSolid);
|
|
break;
|
|
case GDK_TILED:
|
|
XSetFillStyle (private->xdisplay, private->xgc, FillTiled);
|
|
break;
|
|
case GDK_STIPPLED:
|
|
XSetFillStyle (private->xdisplay, private->xgc, FillStippled);
|
|
break;
|
|
case GDK_OPAQUE_STIPPLED:
|
|
XSetFillStyle (private->xdisplay, private->xgc, FillOpaqueStippled);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
gdk_gc_set_tile (GdkGC *gc,
|
|
GdkPixmap *tile)
|
|
{
|
|
GdkGCPrivate *private;
|
|
GdkPixmapPrivate *pixmap_private;
|
|
Pixmap pixmap;
|
|
|
|
g_return_if_fail (gc != NULL);
|
|
|
|
private = (GdkGCPrivate*) gc;
|
|
|
|
pixmap = None;
|
|
if (tile)
|
|
{
|
|
pixmap_private = (GdkPixmapPrivate*) tile;
|
|
pixmap = pixmap_private->xwindow;
|
|
}
|
|
|
|
XSetTile (private->xdisplay, private->xgc, pixmap);
|
|
}
|
|
|
|
void
|
|
gdk_gc_set_stipple (GdkGC *gc,
|
|
GdkPixmap *stipple)
|
|
{
|
|
GdkGCPrivate *private;
|
|
GdkPixmapPrivate *pixmap_private;
|
|
Pixmap pixmap;
|
|
|
|
g_return_if_fail (gc != NULL);
|
|
|
|
private = (GdkGCPrivate*) gc;
|
|
|
|
pixmap = None;
|
|
if (stipple)
|
|
{
|
|
pixmap_private = (GdkPixmapPrivate*) stipple;
|
|
pixmap = pixmap_private->xwindow;
|
|
}
|
|
|
|
XSetStipple (private->xdisplay, private->xgc, pixmap);
|
|
}
|
|
|
|
void
|
|
gdk_gc_set_ts_origin (GdkGC *gc,
|
|
gint x,
|
|
gint y)
|
|
{
|
|
GdkGCPrivate *private;
|
|
|
|
g_return_if_fail (gc != NULL);
|
|
|
|
private = (GdkGCPrivate*) gc;
|
|
|
|
XSetTSOrigin (private->xdisplay, private->xgc, x, y);
|
|
}
|
|
|
|
void
|
|
gdk_gc_set_clip_origin (GdkGC *gc,
|
|
gint x,
|
|
gint y)
|
|
{
|
|
GdkGCPrivate *private;
|
|
|
|
g_return_if_fail (gc != NULL);
|
|
|
|
private = (GdkGCPrivate*) gc;
|
|
|
|
XSetClipOrigin (private->xdisplay, private->xgc, x, y);
|
|
}
|
|
|
|
void
|
|
gdk_gc_set_clip_mask (GdkGC *gc,
|
|
GdkBitmap *mask)
|
|
{
|
|
GdkGCPrivate *private;
|
|
Pixmap xmask;
|
|
|
|
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_clip_region (GdkGC *gc,
|
|
GdkRegion *region)
|
|
{
|
|
GdkGCPrivate *private;
|
|
|
|
g_return_if_fail (gc != NULL);
|
|
|
|
private = (GdkGCPrivate*) gc;
|
|
|
|
if (region)
|
|
{
|
|
GdkRegionPrivate *region_private;
|
|
|
|
region_private = (GdkRegionPrivate*) region;
|
|
XSetRegion (private->xdisplay, private->xgc, region_private->xregion);
|
|
}
|
|
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_set_dashes (GdkGC *gc,
|
|
gint dash_offset,
|
|
gchar dash_list[],
|
|
gint n)
|
|
{
|
|
GdkGCPrivate *private;
|
|
|
|
g_return_if_fail (gc != NULL);
|
|
g_return_if_fail (dash_list != NULL);
|
|
|
|
private = (GdkGCPrivate*) gc;
|
|
|
|
XSetDashes (private->xdisplay, private->xgc, dash_offset, dash_list, n);
|
|
}
|
|
|
|
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);
|
|
}
|