fdo-mirrors/cairo
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/cairo/cairo.git synced 2026-05-04 23:28:07 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Modify degenerate-path test case to test dashed degenerate paths.

Browse source
This commit is contained in:
Jeff Muizelaar 2006-06-25 15:48:48 +02:00 • committed by Jeff Muizelaar
parent b607cdff98
commit fdebc369d2
4 changed files with 44 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

BIN
test/degenerate-path-ps-argb32-ref.png
View file

Binary file not shown.
Side by side Swipe Overlay

Before

Width:  |  Height:  |  Size: 197 B

After

Width:  |  Height:  |  Size: 220 B

BIN
test/degenerate-path-ref.png
View file

Binary file not shown.
Side by side Swipe Overlay

Before

Width:  |  Height:  |  Size: 193 B

After

Width:  |  Height:  |  Size: 216 B

BIN
test/degenerate-path-rgb24-ref.png
View file

Binary file not shown.
Side by side Swipe Overlay

Before

Width:  |  Height:  |  Size: 174 B

After

Width:  |  Height:  |  Size: 189 B

54
test/degenerate-path.c
View file

@ -25,41 +25,75 @@
#include "cairo-test.h"
#define IMAGE_WIDTH 40
#define IMAGE_HEIGHT 22
#define PAD 3.0
#define LINE_WIDTH 6.0
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
static cairo_test_draw_function_t draw;
cairo_test_t test = {
"degenerate-path",
"Tests the behaviour of degenerate paths with different cap types",
IMAGE_WIDTH, IMAGE_HEIGHT,
3*(PAD+LINE_WIDTH+PAD), 6*(LINE_WIDTH+PAD) + PAD,
draw
};
#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 };
int i;
double dash[] = {2, 2};
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, 6);
cairo_move_to (cr, 6, 6);
cairo_line_to (cr, 6, 6);
/* simple degenerate paths */
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_move_to (cr, 6, 15);
cairo_translate (cr, 0, 3*PAD);
cairo_move_to (cr, LINE_WIDTH, LINE_WIDTH);
cairo_close_path (cr);
cairo_stroke (cr);
cairo_translate (cr, 12, 0);
/* degenerate paths starting with dash on */
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);
/* degenerate paths starting with dash off */
/* these should not draw anything */
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_restore (cr);
cairo_translate (cr, PAD+LINE_WIDTH+PAD, 0);
}
return CAIRO_TEST_SUCCESS;
}