1#include <stdint.h>
2#include <stdio.h>
3#include <stdlib.h>
4
5#include <X11/Xutil.h> /* for XDestroyImage */
6#include <pixman.h> /* for pixman blt functions */
7
8#include "test.h"
9
10static const XPoint points[]= {
11	/* top */
12	{ 0, 0},
13	{ 1, 0},
14	{ 2, 0},
15	{ 3, 0},
16	{ 4, 0},
17	{ 5, 0},
18	{ 6, 0},
19	{ 7, 0},
20	{ 8, 0},
21	/* right */
22	{ 8, 1},
23	{ 8, 2},
24	{ 8, 3},
25	{ 8, 4},
26	{ 8, 5},
27	{ 8, 6},
28	{ 8, 7},
29	{ 8, 8},
30	/* bottom */
31	{ 7, 8},
32	{ 6, 8},
33	{ 5, 8},
34	{ 4, 8},
35	{ 3, 8},
36	{ 2, 8},
37	{ 1, 8},
38	{ 0, 8},
39	/* left */
40	{ 0, 7},
41	{ 0, 6},
42	{ 0, 5},
43	{ 0, 4},
44	{ 0, 3},
45	{ 0, 2},
46	{ 0, 1},
47	{ 0, 0} /* and origin again for luck */
48};
49#define NUM_POINTS (sizeof(points)/sizeof(points[0]))
50
51static void clear(struct test_display *dpy, struct test_target *tt)
52{
53	XRenderColor render_color = {0};
54	XRenderFillRectangle(dpy->dpy, PictOpClear, tt->picture, &render_color,
55			     0, 0, tt->width, tt->height);
56}
57
58static void draw(struct test_display *dpy, struct test_target *tt,
59		 int alu, int width, int style, int cap,
60		 XSegment *seg, int nseg)
61{
62	XGCValues val;
63	GC gc;
64
65	val.function = alu;
66	val.foreground = WhitePixel(dpy->dpy, 0);
67	val.line_width = width;
68	val.line_style = style;
69	val.cap_style = cap;
70
71	gc = XCreateGC(dpy->dpy, tt->draw,
72		       GCForeground |
73		       GCFunction |
74		       GCLineWidth |
75		       GCLineStyle |
76		       GCCapStyle,
77		       &val);
78	XDrawSegments(dpy->dpy, tt->draw, gc, seg, nseg);
79	XFreeGC(dpy->dpy, gc);
80}
81
82static void hv0(struct test *t, enum target target)
83{
84	char buf[1024];
85	struct test_target out, ref;
86	int a, alu, cap;
87	XSegment seg[(NUM_POINTS+1)*8];
88	int n, x, y, nseg;
89
90	printf("Testing drawing of zero-width line segments (%s): ",
91	       test_target_name(target));
92	fflush(stdout);
93
94	test_target_create_render(&t->out, target, &out);
95	test_target_create_render(&t->ref, target, &ref);
96
97	y = x = n = 0;
98	for (a = 0; a <= NUM_POINTS; a++) {
99		seg[n].x1 = a + 64;
100		seg[n].y1 = y + 64;
101		seg[n].x2 = NUM_POINTS + 64;
102		seg[n].y2 = y + 64;
103		n++; y++;
104
105		seg[n].x1 = NUM_POINTS - a + 64;
106		seg[n].y1 = y + 64;
107		seg[n].x2 = 0 + 64;
108		seg[n].y2 = y + 64;
109		n++; y++;
110
111		seg[n].x2 = a + 64;
112		seg[n].y2 = y + 64;
113		seg[n].x1 = NUM_POINTS + 64;
114		seg[n].y1 = y + 64;
115		n++; y++;
116
117		seg[n].x2 = NUM_POINTS - a + 64;
118		seg[n].y2 = y + 64;
119		seg[n].x1 = 0 + 64;
120		seg[n].y1 = y + 64;
121		n++; y++;
122
123
124		seg[n].y1 = a + 64;
125		seg[n].x1 = x + 64;
126		seg[n].y2 = NUM_POINTS + 64;
127		seg[n].x2 = x + 64;
128		n++; x++;
129
130		seg[n].y1 = NUM_POINTS - a + 64;
131		seg[n].x1 = x + 64;
132		seg[n].y2 = 0 + 64;
133		seg[n].x2 = x + 64;
134		n++; x++;
135
136		seg[n].y2 = a + 64;
137		seg[n].x2 = x + 64;
138		seg[n].y1 = NUM_POINTS + 64;
139		seg[n].x1 = x + 64;
140		n++; x++;
141
142		seg[n].y2 = NUM_POINTS - a + 64;
143		seg[n].x2 = x + 64;
144		seg[n].y1 = 0 + 64;
145		seg[n].x1 = x + 64;
146		n++; x++;
147	}
148
149	for (alu = 0; alu < 16; alu++) {
150		for (cap = CapNotLast; cap <= CapProjecting; cap++) {
151			for (nseg = 0; nseg < n; nseg++) {
152				sprintf(buf,
153					"cap=%d, alu=%d, nseg=%d",
154					cap, alu, nseg);
155
156				clear(&t->out, &out);
157				clear(&t->ref, &ref);
158
159				draw(&t->out, &out, alu, 0, LineSolid, cap,
160				     seg, nseg);
161				draw(&t->ref, &ref, alu, 0, LineSolid, cap,
162				     seg, nseg);
163
164				test_compare(t,
165					     out.draw, out.format,
166					     ref.draw, ref.format,
167					     0, 0, out.width, out.height,
168					     buf);
169			}
170		}
171	}
172
173	test_target_destroy_render(&t->out, &out);
174	test_target_destroy_render(&t->ref, &ref);
175
176	printf("\n");
177}
178
179static void general(struct test *t, enum target target)
180{
181	char buf[1024];
182	struct test_target out, ref;
183	int a, b, alu, lw, style, cap;
184	XSegment seg[NUM_POINTS*NUM_POINTS];
185	int n = 0;
186
187	printf("Testing drawing of general line segments (%s): ",
188	       test_target_name(target));
189	fflush(stdout);
190
191	test_target_create_render(&t->out, target, &out);
192	test_target_create_render(&t->ref, target, &ref);
193
194	style = LineSolid;
195
196	for (a = 0; a < NUM_POINTS; a++) {
197		for (b = 0; b < NUM_POINTS; b++) {
198			seg[n].x1 = points[a].x + 64;
199			seg[n].y1 = points[a].y + 64;
200			seg[n].x2 = points[b].x + 64;
201			seg[n].y2 = points[b].y + 64;
202			n++;
203		}
204	}
205
206	for (alu = 0; alu < 16; alu++) {
207		for (cap = CapNotLast; cap <= CapProjecting; cap++) {
208			for (lw = 0; lw <= 4; lw++) {
209				sprintf(buf,
210					"width=%d, cap=%d, alu=%d",
211					lw, cap, alu);
212
213				clear(&t->out, &out);
214				clear(&t->ref, &ref);
215
216				draw(&t->out, &out, alu, lw, style, cap,
217					  seg, n);
218				draw(&t->ref, &ref, alu, lw, style, cap,
219					  seg, n);
220
221				test_compare(t,
222					     out.draw, out.format,
223					     ref.draw, ref.format,
224					     0, 0, out.width, out.height,
225					     buf);
226			}
227		}
228	}
229
230	test_target_destroy_render(&t->out, &out);
231	test_target_destroy_render(&t->ref, &ref);
232
233	printf("\n");
234}
235
236int main(int argc, char **argv)
237{
238	struct test test;
239	enum target t;
240
241	test_init(&test, argc, argv);
242
243	for (t = TARGET_FIRST; t <= TARGET_LAST; t++) {
244		hv0(&test, t);
245		general(&test, t);
246	}
247
248	return 0;
249}
250