#include "cairo-test.h"
#define PAD 3.0
#define LINE_WIDTH 6.0
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
const cairo_line_cap_t cap[] = { CAIRO_LINE_CAP_ROUND, CAIRO_LINE_CAP_SQUARE, CAIRO_LINE_CAP_BUTT };
size_t i;
double dash[] = {2, 2};
double dash_long[] = {6, 6};
cairo_set_source_rgb (cr, 1, 0, 0);
for (i=0; i<ARRAY_SIZE(cap); i++) {
cairo_save (cr);
cairo_set_line_cap (cr, cap[i]);
cairo_set_line_width (cr, LINE_WIDTH);
cairo_move_to (cr, LINE_WIDTH, LINE_WIDTH);
cairo_line_to (cr, LINE_WIDTH, LINE_WIDTH);
cairo_stroke (cr);
cairo_translate (cr, 0, 3*PAD);
cairo_move_to (cr, LINE_WIDTH, LINE_WIDTH);
cairo_close_path (cr);
cairo_stroke (cr);
cairo_set_dash (cr, dash, 2, 0.);
cairo_translate (cr, 0, 3*PAD);
cairo_move_to (cr, LINE_WIDTH, LINE_WIDTH);
cairo_line_to (cr, LINE_WIDTH, LINE_WIDTH);
cairo_stroke (cr);
cairo_translate (cr, 0, 3*PAD);
cairo_move_to (cr, LINE_WIDTH, LINE_WIDTH);
cairo_close_path (cr);
cairo_stroke (cr);
cairo_set_dash (cr, dash, 2, 2.);
cairo_translate (cr, 0, 3*PAD);
cairo_move_to (cr, LINE_WIDTH, LINE_WIDTH);
cairo_line_to (cr, LINE_WIDTH, LINE_WIDTH);
cairo_stroke (cr);
cairo_translate (cr, 0, 3*PAD);
cairo_move_to (cr, LINE_WIDTH, LINE_WIDTH);
cairo_close_path (cr);
cairo_stroke (cr);
cairo_set_dash (cr, dash_long, 2, 6.);
cairo_translate (cr, 0, 3*PAD);
cairo_move_to (cr, LINE_WIDTH + 6.0, LINE_WIDTH);
cairo_line_to (cr, LINE_WIDTH, LINE_WIDTH);
cairo_stroke (cr);
cairo_set_dash (cr, dash_long, 2, 6.);
cairo_translate (cr, 0, 3*PAD);
cairo_move_to (cr, LINE_WIDTH + 6.0, LINE_WIDTH);
cairo_line_to (cr, LINE_WIDTH, LINE_WIDTH);
cairo_line_to (cr, LINE_WIDTH, LINE_WIDTH);
cairo_stroke (cr);
cairo_restore (cr);
cairo_translate (cr, PAD+LINE_WIDTH+PAD, 0);
}
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (degenerate_path,
"Tests the behaviour of degenerate paths with different cap types",
"degenerate",
NULL,
3*(PAD+LINE_WIDTH+PAD), 8*(LINE_WIDTH+PAD) + PAD,
NULL, draw)