diff options
Diffstat (limited to 'libs/cairo-1.16.0/test/rotate-image-surface-paint.c')
| -rw-r--r-- | libs/cairo-1.16.0/test/rotate-image-surface-paint.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/rotate-image-surface-paint.c b/libs/cairo-1.16.0/test/rotate-image-surface-paint.c new file mode 100644 index 0000000..42fda6e --- /dev/null +++ b/libs/cairo-1.16.0/test/rotate-image-surface-paint.c @@ -0,0 +1,172 @@ +/* + * Copyright © 2005, 2007 Red Hat, Inc. + * + * 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: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define SIZE 20 +#define PAD 2 + +static cairo_pattern_t * +create_image_source (int size) +{ + cairo_surface_t *surface; + cairo_pattern_t *pattern; + cairo_t *cr; + + /* Create an image surface with my favorite four colors in each + * quadrant. */ + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, size, size); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_rectangle (cr, 0, 0, size / 2, size / 2); + cairo_fill (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_rectangle (cr, size / 2, 0, size - size / 2, size / 2); + cairo_fill (cr); + + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_rectangle (cr, 0, size / 2, size / 2, size - size / 2); + cairo_fill (cr); + + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_rectangle (cr, size / 2, size / 2, size - size / 2, size - size / 2); + cairo_fill (cr); + + pattern = cairo_pattern_create_for_surface (cairo_get_target (cr)); + cairo_destroy (cr); + + return pattern; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *source; + int surface_size = sqrt ((SIZE - 2*PAD)*(SIZE - 2*PAD)/2); + + /* Use a gray (neutral) background, so we can spot if the backend pads + * with any other colour. + */ + cairo_set_source_rgb (cr, .5, .5, .5); + cairo_paint (cr); + + cairo_translate(cr, SIZE/2, SIZE/2); + cairo_rotate (cr, M_PI / 4.0); + cairo_translate (cr, -surface_size/2, -surface_size/2); + + source = create_image_source (surface_size); + cairo_pattern_set_filter (source, CAIRO_FILTER_NEAREST); + cairo_set_source(cr, source); + cairo_pattern_destroy (source); + + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +clip_draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *source; + int surface_size = sqrt ((SIZE - 2*PAD)*(SIZE - 2*PAD)/2); + + /* Use a gray (neutral) background, so we can spot if the backend pads + * with any other colour. + */ + cairo_set_source_rgb (cr, .5, .5, .5); + cairo_paint (cr); + + cairo_rectangle (cr, 2*PAD, 2*PAD, SIZE-4*PAD, SIZE-4*PAD); + cairo_clip (cr); + + cairo_translate(cr, SIZE/2, SIZE/2); + cairo_rotate (cr, M_PI / 4.0); + cairo_translate (cr, -surface_size/2, -surface_size/2); + + source = create_image_source (surface_size); + cairo_pattern_set_filter (source, CAIRO_FILTER_NEAREST); + cairo_set_source(cr, source); + cairo_pattern_destroy (source); + + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_clip (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *source; + int surface_size = sqrt ((SIZE - 2*PAD)*(SIZE - 2*PAD)/2); + + /* Use a gray (neutral) background, so we can spot if the backend pads + * with any other colour. + */ + cairo_set_source_rgb (cr, .5, .5, .5); + cairo_paint (cr); + + cairo_translate(cr, SIZE/2, SIZE/2); + cairo_rotate (cr, M_PI / 4.0); + cairo_translate (cr, -surface_size/2, -surface_size/2); + + cairo_rectangle (cr, PAD, PAD, surface_size-2*PAD, surface_size-2*PAD); + cairo_clip (cr); + + source = create_image_source (surface_size); + cairo_pattern_set_filter (source, CAIRO_FILTER_NEAREST); + cairo_set_source(cr, source); + cairo_pattern_destroy (source); + + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (rotate_image_surface_paint, + "Test call sequence: image_surface_create; rotate; set_source_surface; paint" + "\nThis test is known to fail on the ps backend currently", + "image, transform, paint", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) + +CAIRO_TEST (clip_rotate_image_surface_paint, + "Test call sequence: image_surface_create; rotate; set_source_surface; paint" + "\nThis test is known to fail on the ps backend currently", + "image, transform, paint", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, clip_draw) +CAIRO_TEST (rotate_clip_image_surface_paint, + "Test call sequence: image_surface_create; rotate; set_source_surface; paint" + "\nThis test is known to fail on the ps backend currently", + "image, transform, paint", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw_clip) |