#include <math.h>
#include "cairo-test.h"
#include <stdio.h>
#define SIZE 100
#define BORDER 10
#define LINE_WIDTH 20
static void
_propagate_status (cairo_t *dst, cairo_t *src)
{
cairo_path_t path;
path.status = cairo_status (src);
if (path.status) {
path.num_data = 0;
path.data = NULL;
cairo_append_path (dst, &path);
}
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_surface_t *target_surface;
cairo_t *cr2, *cr3;
target_surface = cairo_get_group_target (cr);
cr2 = cairo_create (target_surface);
cairo_move_to (cr2, BORDER, BORDER);
cairo_line_to (cr2, BORDER + LINE_WIDTH, BORDER);
cairo_line_to (cr2, SIZE - BORDER, SIZE - BORDER);
cairo_line_to (cr2, SIZE - BORDER - LINE_WIDTH, SIZE - BORDER);
cairo_clip (cr2);
cairo_set_source_rgb (cr2, 0, 0, 1);
cairo_paint (cr2);
cairo_set_source_rgb (cr2, 1, 1, 1);
cairo_rectangle (cr2,
SIZE / 2 - LINE_WIDTH / 2, BORDER,
LINE_WIDTH, SIZE - 2 * BORDER);
cairo_fill (cr2);
cr3 = cairo_create (target_surface);
cairo_set_source_rgb (cr3, 1, 1, 1);
cairo_rectangle (cr3,
SIZE - BORDER - LINE_WIDTH, BORDER,
LINE_WIDTH, SIZE - 2 * BORDER);
cairo_fill (cr3);
_propagate_status (cr, cr3);
cairo_destroy (cr3);
_propagate_status (cr, cr2);
cairo_destroy (cr2);
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_rectangle (cr,
BORDER, BORDER,
LINE_WIDTH, SIZE - 2 * BORDER);
cairo_fill (cr);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (clip_nesting,
"Test clipping with multiple contexts for the same surface",
"clip",
NULL,
SIZE, SIZE,
NULL, draw)