leaky-dashed-rectangle.c [plain text]
#include "cairo-test.h"
#define WIDTH 60
#define HEIGHT 60
static cairo_test_draw_function_t draw;
static const cairo_test_t test = {
"leaky-dashed-rectangle",
"Exercises bug in which a dashed stroke leaks in from outside the surface",
WIDTH, HEIGHT,
draw
};
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
const double dash[2] = {4, 2};
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
cairo_set_source_rgb (cr, 0., 0., 0);
cairo_translate (cr, 0.5, .5);
cairo_set_line_width (cr, 1);
cairo_set_source_rgb (cr, 0., 0., 0);
cairo_rectangle (cr, -WIDTH/4, -HEIGHT/4, WIDTH, HEIGHT);
cairo_stroke (cr);
cairo_rectangle (cr, WIDTH+WIDTH/4, -HEIGHT/4, -WIDTH, HEIGHT);
cairo_stroke (cr);
cairo_rectangle (cr, -WIDTH/4, HEIGHT+HEIGHT/4, WIDTH, -HEIGHT);
cairo_stroke (cr);
cairo_rectangle (cr, WIDTH+WIDTH/4, HEIGHT+HEIGHT/4, -WIDTH, -HEIGHT);
cairo_stroke (cr);
cairo_set_dash (cr, dash, 2, 0);
cairo_set_source_rgb (cr, 1., 0., 0);
cairo_rectangle (cr, -WIDTH/4, -HEIGHT/4, WIDTH, HEIGHT);
cairo_stroke (cr);
cairo_set_source_rgb (cr, 0., 1., 0);
cairo_rectangle (cr, WIDTH+WIDTH/4, -HEIGHT/4, -WIDTH, HEIGHT);
cairo_stroke (cr);
cairo_set_source_rgb (cr, 0., 0., 1);
cairo_rectangle (cr, -WIDTH/4, HEIGHT+HEIGHT/4, WIDTH, -HEIGHT);
cairo_stroke (cr);
cairo_set_source_rgb (cr, 1., 1., 0);
cairo_rectangle (cr, WIDTH+WIDTH/4, HEIGHT+HEIGHT/4, -WIDTH, -HEIGHT);
cairo_stroke (cr);
return CAIRO_TEST_SUCCESS;
}
int
main (void)
{
return cairo_test (&test);
}