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#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <X11/Xutil.h> /* for XDestroyImage */
#include <pixman.h> /* for pixman blt functions */
#include "test.h"
static const XPoint points[]= {
/* top */
{ 0, 0},
{ 1, 0},
{ 2, 0},
{ 3, 0},
{ 4, 0},
{ 5, 0},
{ 6, 0},
{ 7, 0},
{ 8, 0},
/* right */
{ 8, 1},
{ 8, 2},
{ 8, 3},
{ 8, 4},
{ 8, 5},
{ 8, 6},
{ 8, 7},
{ 8, 8},
/* bottom */
{ 7, 8},
{ 6, 8},
{ 5, 8},
{ 4, 8},
{ 3, 8},
{ 2, 8},
{ 1, 8},
{ 0, 8},
/* left */
{ 0, 7},
{ 0, 6},
{ 0, 5},
{ 0, 4},
{ 0, 3},
{ 0, 2},
{ 0, 1},
{ 0, 0} /* and origin again for luck */
};
#define NUM_POINTS (sizeof(points)/sizeof(points[0]))
static void clear(struct test_display *dpy, struct test_target *tt)
{
XRenderColor render_color = {0};
XRenderFillRectangle(dpy->dpy, PictOpClear, tt->picture, &render_color,
0, 0, tt->width, tt->height);
}
static void draw_line(struct test_display *dpy, struct test_target *tt,
int alu, int width, int style, int cap,
const XPoint *p1, const XPoint *p2,
int dx, int dy)
{
XGCValues val;
GC gc;
val.function = GXcopy;
val.foreground = WhitePixel(dpy->dpy, 0);
val.line_width = width;
val.line_style = style;
val.cap_style = cap;
gc = XCreateGC(dpy->dpy, tt->draw,
GCForeground |
GCFunction |
GCLineWidth |
GCLineStyle |
GCCapStyle,
&val);
XDrawLine(dpy->dpy, tt->draw, gc,
p1->x + dx, p1->y + dy,
p2->x + dx, p2->y + dy);
XFreeGC(dpy->dpy, gc);
}
static void line_tests(struct test *t, enum target target)
{
char buf[1024];
struct test_target real, ref;
int a, b, alu, lw, style, cap;
printf("Testing drawing of single line segments (%s): ",
test_target_name(target));
fflush(stdout);
test_target_create_render(&t->real, target, &real);
test_target_create_render(&t->ref, target, &ref);
style = LineSolid;
for (alu = 0; alu < 16; alu++) {
for (cap = CapNotLast; cap <= CapProjecting; cap++) {
for (lw = 0; lw <= 4; lw++) {
for (a = 0; a < NUM_POINTS; a++) {
for (b = 0; b < NUM_POINTS; b++) {
sprintf(buf,
"p1=(%d, %d), p2=(%d, %d), width=%d, cap=%d, alu=%d",
points[a].x, points[a].y,
points[b].x, points[b].y,
lw, cap, alu);
clear(&t->real, &real);
clear(&t->ref, &ref);
draw_line(&t->real, &real, alu, lw, style, cap,
&points[a], &points[b], 64, 64);
draw_line(&t->ref, &ref, alu, lw, style, cap,
&points[a], &points[b], 64, 64);
test_compare(t,
real.draw, real.format,
ref.draw, ref.format,
0, 0, real.width, real.height,
buf);
}
}
}
}
}
test_target_destroy_render(&t->real, &real);
test_target_destroy_render(&t->ref, &ref);
printf("\n");
}
int main(int argc, char **argv)
{
struct test test;
enum target t;
test_init(&test, argc, argv);
for (t = TARGET_FIRST; t <= TARGET_LAST; t++)
line_tests(&test, t);
return 0;
}
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