1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
|
/*
Copyright (c) 1990, 1991 X Consortium
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of the X Consortium shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from the X Consortium.
*
* Copyright 1990, 1991 by UniSoft Group Limited.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of UniSoft not be
* used in advertising or publicity pertaining to distribution of the
* software without specific, written prior permission. UniSoft
* makes no representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
* $XConsortium: backgroun.mc,v 1.15 92/06/11 18:02:10 rws Exp $
*/
>>ASSERTION Good A
The background component of the gc is used to determine the background
pixel value.
>>STRATEGY
Set GC component background to various values.
Pixmap verify the results.
>>EXTERN
#if !defined(T_XDrawImageString) && !defined(T_XCopyPlane) && !defined(T_XPutImage) && !defined(T_XCopyArea)
#define NEED_STIPPLE
#endif
#if defined(T_XCopyPlane)
#define CLEAR_TO_ZERO
#endif
>>CODE
static unsigned long bglist[] = {
0, 0x1, 0x2, 0x3, 0x4, 0x6, 0x7, 0x10, 0x33, 0x81,
0xa3, 0xff, 256, 300, 1000,
0x111111, 0x400200, 0x777777,
};
XVisualInfo *vp;
#ifdef NEED_STIPPLE
Pixmap stip;
char *stipbit = "\0";
#endif
long bgind;
unsigned long bg;
int nchecks = 0;
#ifdef NEED_STIPPLE
stip = XCreateBitmapFromData(A_DISPLAY, DRW(A_DISPLAY), stipbit, 1, 1);
#endif
for (resetvinf(VI_WIN_PIX); nextvinf(&vp); ) {
#ifdef A_DRAWABLE2
winpair(A_DISPLAY, vp, &A_DRAWABLE, &A_DRAWABLE2);
#ifdef CLEAR_TO_ZERO
dset(A_DISPLAY, A_DRAWABLE, 0L);
#else
dset(A_DISPLAY, A_DRAWABLE, W_FG);
#endif
#else
A_DRAW = makewin(A_DISPLAY, vp);
#endif
A_GC = makegc(A_DISPLAY, A_DRAW);
#ifdef A_IMAGE
/* Bitmap full of 0's will cause a bg fill */
A_IMAGE = makeimg(A_DISPLAY, vp, XYBitmap);
dsetimg(A_IMAGE, 0L);
#endif
for (bgind = 0; bgind < NELEM(bglist); bgind++) {
bg = bglist[bgind];
if (bg > DEPTHMASK(vp->depth))
break;
trace("Testing bg pixel of %d", bg);
nchecks++;
#ifdef NEED_STIPPLE
/*
* Set a stipple to all zero's and set the fill style
* to be FillOpaqueStippled. This will mean that everything
* should be drawn in the background colour.
* (different for XCopyPlane, which doesn't use fill style,
* nor does XPutImage or XCopyArea).
*/
XSetStipple(A_DISPLAY, A_GC, stip);
XSetFillStyle(A_DISPLAY, A_GC, FillOpaqueStippled);
#endif
/* now set the background to bg and do the call. If it's XCopyPlane/XPutImage then
* we have cleared the src drawable/image to zero so we will always find 0 in the
* selected plane so we will fill with bg. If we're XDrawImageString then
* we do the equivalent of the background fill anyway, if we're
* XCopyArea then we have to do a dset of src with bg otherwise we'll have
* used FillOpaqueStippled and a stipple of a lone zero, only, to get the
* same effect of a background fill.
*/
#if T_XCopyArea
dset(A_DISPLAY, A_DRAWABLE, bg);
#else
XSetBackground(A_DISPLAY, A_GC, bg);
#endif
XCALL;
PIXCHECK(A_DISPLAY, A_DRAW);
dclear(A_DISPLAY, A_DRAW);
}
}
#ifdef NEED_STIPPLE
XFreePixmap(A_DISPLAY, stip);
#endif
CHECKPASS(nchecks);
>>ASSERTION Good A
The value for
.M background
is truncated to the depth of the GC.
>>STRATEGY
Set GC component background to value with all bits set.
If not (XDrawImageString || XCopyPlane || XPutImage || XCopyArea)
Set GC component stipple to all zeros
Set GC component FillStyle to FillOpaqueStippled.
else if (XCopyPlane || XPutImage)
Fill source drawable/image-bitmap with 0's to ensure we draw with background
else if XCopyArea
Fill source drawable/image-bitmap with all 1's
Draw item.
Find a pixel with a value other than W_BG.
Check that this is truncated to the depth.
>>CODE
XVisualInfo *vp;
XImage *imp;
#ifdef NEED_STIPPLE
Pixmap stip;
char *stipbit = "\0\0\0\0";
#endif
unsigned long pix;
int found;
int i_x, i_y;
unsigned int i_width, i_height;
#ifdef NEED_STIPPLE
stip = XCreateBitmapFromData(A_DISPLAY, DRW(A_DISPLAY), stipbit, 1, 1);
#endif
for (resetvinf(VI_WIN_PIX); nextvinf(&vp); ) {
#ifdef A_DRAWABLE2
winpair(A_DISPLAY, vp, &A_DRAWABLE, &A_DRAWABLE2);
#ifdef CLEAR_TO_ZERO
dset(A_DISPLAY, A_DRAWABLE, 0L);
#else
dset(A_DISPLAY, A_DRAWABLE, W_FG);
#endif
#else
A_DRAW = makewin(A_DISPLAY, vp);
#endif
A_GC = makegc(A_DISPLAY, A_DRAW);
#ifdef A_IMAGE
/* bitmap of all 0's will cause bg "fill" */
A_IMAGE = makeimg(A_DISPLAY, vp, XYBitmap);
dsetimg(A_IMAGE, 0L);
#endif
#ifdef NEED_STIPPLE
/*
* Set a stipple to all zero's and set the fill style
* to be FillOpaqueStippled. This will mean that everything
* should be drawn in the background colour.
*/
XSetStipple(A_DISPLAY, A_GC, stip);
XSetFillStyle(A_DISPLAY, A_GC, FillOpaqueStippled);
#endif
/* now set the background to ~0 and do the call. If it's XCopyPlane/XPutImage then
* we have cleared the src drawable/image to zero so we will always find 0 in the
* selected plane so we will fill with ~0. If we're XDrawImageString then
* we do the equivalent of the background fill anyway, if we're XCopyArea
* then we need to fill the src will all 1's, otherwise we'll have
* used FillOpaqueStippled and a stipple of a lone zero, only, to get the
* same effect of a background fill.
*/
#if T_XCopyArea
dset(A_DISPLAY, A_DRAWABLE, ~0L);
#else
XSetBackground(A_DISPLAY, A_GC, ~0L);
#endif
XCALL;
imp = savimage(A_DISPLAY, A_DRAW);
getsize(A_DISPLAY, A_DRAW, &i_width, &i_height);
found = 0;
for (i_y = 0; i_y < i_height; i_y++) {
for (i_x = 0; i_x < i_width; i_x++) {
pix = XGetPixel(imp, i_x, i_y);
if (pix != W_BG) {
found = 1;
if (pix == DEPTHMASK(vp->depth)) {
CHECK;
} else {
report("Pixel was set to %d, expecting %d", pix, DEPTHMASK(vp->depth));
#ifdef NEED_STIPPLE
report("FillOpaqueStippled is also used in this test, and could affect the result");
#endif
FAIL;
}
i_y = i_height; /* So that we leave loop XXX */
break;
}
}
}
if (found == 0) {
report("Nothing was drawn");
#ifdef NEED_STIPPLE
report("FillOpaqueStippled is also used in this test, and could affect the result");
#endif
FAIL;
}
}
#ifdef NEED_STIPPLE
XFreePixmap(A_DISPLAY, stip);
#endif
CHECKPASS(nvinf());
|
