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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"
#define WIDTH 3
#define HEIGHT 3
/* A single, black pixel */
static const uint32_t black_pixel_argb = 0xff000000;
static const uint32_t black_pixel = 0x00000000;
static cairo_bool_t
set_pixel_black(uint8_t *data, int stride,
cairo_format_t format, int x, int y)
{
switch (format) {
case CAIRO_FORMAT_ARGB32:
case CAIRO_FORMAT_RGB24:
*(uint32_t *)(data + y * stride + 4*x) = black_pixel_argb;
break;
case CAIRO_FORMAT_RGB16_565:
*(uint16_t *)(data + y * stride + 2*x) = black_pixel;
case CAIRO_FORMAT_RGBA128F:
case CAIRO_FORMAT_RGB96F:
case CAIRO_FORMAT_RGB30:
case CAIRO_FORMAT_A8:
case CAIRO_FORMAT_A1:
case CAIRO_FORMAT_INVALID:
default:
return FALSE;
}
return TRUE;
static cairo_test_status_t
all (cairo_t *cr, int width, int height)
cairo_surface_t *surface;
uint8_t *data;
int stride;
cairo_format_t format;
int i, j;
/* Fill background white */
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
surface = cairo_surface_map_to_image (cairo_get_target (cr), NULL);
cairo_surface_flush (surface);
format = cairo_image_surface_get_format (surface);
stride = cairo_image_surface_get_stride (surface);
data = cairo_image_surface_get_data (surface);
if (data) {
for (j = 0; j < HEIGHT; j++)
for (i = 0; i < WIDTH; i++)
if (! set_pixel_black (data, stride, format, i, j))
return CAIRO_TEST_FAILURE;
cairo_surface_mark_dirty (surface);
cairo_surface_unmap_image (cairo_get_target (cr), surface);
return CAIRO_TEST_SUCCESS;
bit (cairo_t *cr, int width, int height)
cairo_rectangle_int_t extents;
extents.x = extents.y = extents.width = extents.height = 1;
surface = cairo_surface_map_to_image (cairo_get_target (cr), &extents);
if (! set_pixel_black (data, 0, format, 0, 0))
fill (cairo_t *cr, int width, int height)
cairo_t *cr2;
cr2 = cairo_create (surface);
cairo_set_source_rgb (cr2, 1, 0, 0);
cairo_paint (cr2);
cairo_destroy (cr2);
CAIRO_TEST (map_all_to_image,
"Test mapping a surface to an image and modifying it externally",
"image", /* keywords */
"target=raster", /* requirements */
WIDTH, HEIGHT,
NULL, all)
CAIRO_TEST (map_bit_to_image,
NULL, bit)
CAIRO_TEST (map_to_image_fill,
NULL, fill)