1 /*
2
3 Copyright 1986, 1998 The Open Group
4
5 Permission to use, copy, modify, distribute, and sell this software and its
6 documentation for any purpose is hereby granted without fee, provided that
7 the above copyright notice appear in all copies and that both that
8 copyright notice and this permission notice appear in supporting
9 documentation.
10
11 The above copyright notice and this permission notice shall be included in
12 all copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21 Except as contained in this notice, the name of The Open Group shall not be
22 used in advertising or otherwise to promote the sale, use or other dealings
23 in this Software without prior written authorization from The Open Group.
24
25 */
26
27 #ifdef HAVE_CONFIG_H
28 #include <config.h>
29 #endif
30 #include "Xlibint.h"
31
32 int
XCopyGC(register Display * dpy,GC srcGC,unsigned long mask,GC destGC)33 XCopyGC (
34 register Display *dpy,
35 GC srcGC,
36 unsigned long mask, /* which ones to set initially */
37 GC destGC)
38 {
39 register XGCValues *destgv = &destGC->values,
40 *srcgv = &srcGC->values;
41 register xCopyGCReq *req;
42 register _XExtension *ext;
43
44 LockDisplay(dpy);
45
46 mask &= (1L << (GCLastBit + 1)) - 1;
47 /* if some of the source values to be copied are "dirty", flush them
48 out before sending the CopyGC request. */
49 if (srcGC->dirty & mask)
50 _XFlushGCCache(dpy, srcGC);
51
52 /* mark the copied values "not dirty" in the destination. */
53 destGC->dirty &= ~mask;
54
55 GetReq(CopyGC, req);
56 req->srcGC = srcGC->gid;
57 req->dstGC = destGC->gid;
58 req->mask = mask;
59
60 if (mask & GCFunction)
61 destgv->function = srcgv->function;
62
63 if (mask & GCPlaneMask)
64 destgv->plane_mask = srcgv->plane_mask;
65
66 if (mask & GCForeground)
67 destgv->foreground = srcgv->foreground;
68
69 if (mask & GCBackground)
70 destgv->background = srcgv->background;
71
72 if (mask & GCLineWidth)
73 destgv->line_width = srcgv->line_width;
74
75 if (mask & GCLineStyle)
76 destgv->line_style = srcgv->line_style;
77
78 if (mask & GCCapStyle)
79 destgv->cap_style = srcgv->cap_style;
80
81 if (mask & GCJoinStyle)
82 destgv->join_style = srcgv->join_style;
83
84 if (mask & GCFillStyle)
85 destgv->fill_style = srcgv->fill_style;
86
87 if (mask & GCFillRule)
88 destgv->fill_rule = srcgv->fill_rule;
89
90 if (mask & GCArcMode)
91 destgv->arc_mode = srcgv->arc_mode;
92
93 if (mask & GCTile)
94 destgv->tile = srcgv->tile;
95
96 if (mask & GCStipple)
97 destgv->stipple = srcgv->stipple;
98
99 if (mask & GCTileStipXOrigin)
100 destgv->ts_x_origin = srcgv->ts_x_origin;
101
102 if (mask & GCTileStipYOrigin)
103 destgv->ts_y_origin = srcgv->ts_y_origin;
104
105 if (mask & GCFont)
106 destgv->font = srcgv->font;
107
108 if (mask & GCSubwindowMode)
109 destgv->subwindow_mode = srcgv->subwindow_mode;
110
111 if (mask & GCGraphicsExposures)
112 destgv->graphics_exposures = srcgv->graphics_exposures;
113
114 if (mask & GCClipXOrigin)
115 destgv->clip_x_origin = srcgv->clip_x_origin;
116
117 if (mask & GCClipYOrigin)
118 destgv->clip_y_origin = srcgv->clip_y_origin;
119
120 if (mask & GCClipMask) {
121 destGC->rects = srcGC->rects;
122 destgv->clip_mask = srcgv->clip_mask;
123 }
124
125 if (mask & GCDashOffset)
126 destgv->dash_offset = srcgv->dash_offset;
127
128 if (mask & GCDashList) {
129 destGC->dashes = srcGC->dashes;
130 destgv->dashes = srcgv->dashes;
131 }
132 /* call out to any extensions interested */
133 for (ext = dpy->ext_procs; ext; ext = ext->next)
134 if (ext->copy_GC) (*ext->copy_GC)(dpy, destGC, &ext->codes);
135 UnlockDisplay(dpy);
136 SyncHandle();
137 return 1;
138 }
139