GetGCVals.c revision b4ee4795 
1
2/*
3
4Copyright 1989, 1998  The Open Group
5
6Permission to use, copy, modify, distribute, and sell this software and its
7documentation for any purpose is hereby granted without fee, provided that
8the above copyright notice appear in all copies and that both that
9copyright notice and this permission notice appear in supporting
10documentation.
11
12The above copyright notice and this permission notice shall be included in
13all copies or substantial portions of the Software.
14
15THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
18OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
19AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22Except as contained in this notice, the name of The Open Group shall not be
23used in advertising or otherwise to promote the sale, use or other dealings
24in this Software without prior written authorization from The Open Group.
25
26*/
27
28#ifdef HAVE_CONFIG_H
29#include <config.h>
30#endif
31#include "Xlibint.h"
32
33/*
34 * All gc fields except GCClipMask and GCDashList
35 */
36#define ValidGCValuesBits (GCFunction | GCPlaneMask | GCForeground | \
37			   GCBackground | GCLineWidth | GCLineStyle | \
38			   GCCapStyle | GCJoinStyle | GCFillStyle | \
39			   GCFillRule | GCTile | GCStipple | \
40			   GCTileStipXOrigin | GCTileStipYOrigin | \
41			   GCFont | GCSubwindowMode | GCGraphicsExposures | \
42			   GCClipXOrigin | GCClipYOrigin | GCDashOffset | \
43			   GCArcMode)
44
45/*ARGSUSED*/
46Status XGetGCValues (
47    Display *dpy,
48    GC gc,
49    unsigned long valuemask,
50    XGCValues *values)
51{
52    if (valuemask == ValidGCValuesBits) {
53	char dashes = values->dashes;
54	Pixmap clip_mask = values->clip_mask;
55	*values = gc->values;
56	values->dashes = dashes;
57	values->clip_mask = clip_mask;
58	return True;
59    }
60
61    if (valuemask & ~ValidGCValuesBits) return False;
62
63    if (valuemask & GCFunction)
64      values->function = gc->values.function;
65
66    if (valuemask & GCPlaneMask)
67      values->plane_mask = gc->values.plane_mask;
68
69    if (valuemask & GCForeground)
70      values->foreground = gc->values.foreground;
71
72    if (valuemask & GCBackground)
73      values->background = gc->values.background;
74
75    if (valuemask & GCLineWidth)
76      values->line_width = gc->values.line_width;
77
78    if (valuemask & GCLineStyle)
79      values->line_style = gc->values.line_style;
80
81    if (valuemask & GCCapStyle)
82      values->cap_style = gc->values.cap_style;
83
84    if (valuemask & GCJoinStyle)
85      values->join_style = gc->values.join_style;
86
87    if (valuemask & GCFillStyle)
88      values->fill_style = gc->values.fill_style;
89
90    if (valuemask & GCFillRule)
91      values->fill_rule = gc->values.fill_rule;
92
93    if (valuemask & GCTile)
94      values->tile = gc->values.tile;
95
96    if (valuemask & GCStipple)
97      values->stipple = gc->values.stipple;
98
99    if (valuemask & GCTileStipXOrigin)
100      values->ts_x_origin = gc->values.ts_x_origin;
101
102    if (valuemask & GCTileStipYOrigin)
103      values->ts_y_origin = gc->values.ts_y_origin;
104
105    if (valuemask & GCFont)
106      values->font = gc->values.font;
107
108    if (valuemask & GCSubwindowMode)
109      values->subwindow_mode = gc->values.subwindow_mode;
110
111    if (valuemask & GCGraphicsExposures)
112      values->graphics_exposures = gc->values.graphics_exposures;
113
114    if (valuemask & GCClipXOrigin)
115      values->clip_x_origin = gc->values.clip_x_origin;
116
117    if (valuemask & GCClipYOrigin)
118      values->clip_y_origin = gc->values.clip_y_origin;
119
120    if (valuemask & GCDashOffset)
121
122      values->dash_offset = gc->values.dash_offset;
123
124    if (valuemask & GCArcMode)
125      values->arc_mode = gc->values.arc_mode;
126
127    return True;
128}
129