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/*
* Copyright © 2011 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Author: Chris Wilson <chris@chris-wilson.co.uk>
*/
#include "cairo-test.h"
#include <stdio.h>
#include <errno.h>
/* Basic test to exercise the new mime-surface callback. */
#define WIDTH 200
#define HEIGHT 80
static char *png_filename = NULL;
/* Lazy way of determining PNG dimensions... */
static void
png_dimensions (const char *filename,
cairo_content_t *content, int *width, int *height)
{
cairo_surface_t *surface;
surface = cairo_image_surface_create_from_png (filename);
*content = cairo_surface_get_content (surface);
*width = cairo_image_surface_get_width (surface);
*height = cairo_image_surface_get_height (surface);
cairo_surface_destroy (surface);
}
static cairo_surface_t *
png_acquire (cairo_pattern_t *pattern, void *closure,
cairo_surface_t *target,
const cairo_rectangle_int_t *extents)
{
return cairo_image_surface_create_from_png (closure);
}
static cairo_surface_t *
red_acquire (cairo_pattern_t *pattern, void *closure,
cairo_surface_t *target,
const cairo_rectangle_int_t *extents)
{
cairo_surface_t *image;
cairo_t *cr;
image = cairo_surface_create_similar_image (target,
CAIRO_FORMAT_RGB24,
extents->width,
extents->height);
cairo_surface_set_device_offset (image, extents->x, extents->y);
cr = cairo_create (image);
cairo_set_source_rgb (cr, 1, 0, 0);
cairo_paint (cr);
cairo_destroy (cr);
return image;
}
static void
release (cairo_pattern_t *pattern, void *closure, cairo_surface_t *image)
{
cairo_surface_destroy (image);
}
static void
free_filename(void)
{
free (png_filename);
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_pattern_t *png, *red;
cairo_content_t content;
int png_width, png_height;
int i, j;
if (png_filename == NULL) {
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
xasprintf (&png_filename, "%s/png.png", ctx->srcdir);
atexit (free_filename);
}
png_dimensions (png_filename, &content, &png_width, &png_height);
png = cairo_pattern_create_raster_source ((void*)png_filename,
content, png_width, png_height);
cairo_raster_source_pattern_set_acquire (png, png_acquire, release);
red = cairo_pattern_create_raster_source (NULL,
CAIRO_CONTENT_COLOR, WIDTH, HEIGHT);
cairo_raster_source_pattern_set_acquire (red, red_acquire, release);
cairo_set_source_rgb (cr, 0, 0, 1);
cairo_paint (cr);
cairo_translate (cr, 0, (HEIGHT-png_height)/2);
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) {
cairo_pattern_t *source;
if ((i ^ j) & 1)
source = red;
else
source = png;
cairo_set_source (cr, source);
cairo_rectangle (cr, i * WIDTH/4, j * png_height/4, WIDTH/4, png_height/4);
cairo_fill (cr);
}
}
cairo_pattern_destroy (red);
cairo_pattern_destroy (png);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (raster_source,
"Check that the mime-surface embedding works",
"api", /* keywords */
NULL, /* requirements */
WIDTH, HEIGHT,
NULL, draw)
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