diff options
Diffstat (limited to 'libs/cairo-1.16.0/test/map-to-image.c')
| -rw-r--r-- | libs/cairo-1.16.0/test/map-to-image.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/map-to-image.c b/libs/cairo-1.16.0/test/map-to-image.c new file mode 100644 index 0000000..0262245 --- /dev/null +++ b/libs/cairo-1.16.0/test/map-to-image.c @@ -0,0 +1,156 @@ +/* + * 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; + break; + 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; +} + +static cairo_test_status_t +bit (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + cairo_rectangle_int_t extents; + cairo_format_t format; + uint8_t *data; + + extents.x = extents.y = extents.width = extents.height = 1; + + /* Fill background white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + surface = cairo_surface_map_to_image (cairo_get_target (cr), &extents); + cairo_surface_flush (surface); + data = cairo_image_surface_get_data (surface); + format = cairo_image_surface_get_format (surface); + if (data) { + if (! set_pixel_black (data, 0, format, 0, 0)) + return CAIRO_TEST_FAILURE; + } + cairo_surface_mark_dirty (surface); + cairo_surface_unmap_image (cairo_get_target (cr), surface); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +fill (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + cairo_rectangle_int_t extents; + cairo_t *cr2; + + extents.x = extents.y = extents.width = extents.height = 1; + + /* Fill background white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + surface = cairo_surface_map_to_image (cairo_get_target (cr), &extents); + cr2 = cairo_create (surface); + cairo_set_source_rgb (cr2, 1, 0, 0); + cairo_paint (cr2); + cairo_destroy (cr2); + cairo_surface_unmap_image (cairo_get_target (cr), surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (map_all_to_image, + "Test maping a surface to an image and modifying it externally", + "image", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, all) +CAIRO_TEST (map_bit_to_image, + "Test maping a surface to an image and modifying it externally", + "image", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, bit) +CAIRO_TEST (map_to_image_fill, + "Test maping a surface to an image and modifying it externally", + "image", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, fill) |