| /* |
| * Copyright © 2007 Chris Wilson. |
| * |
| * Permission to use, copy, modify, distribute, and sell this software |
| * and its documentation for any purpose is hereby granted without |
| * fee, provided that the above copyright notice appear in all copies |
| * and that both that copyright notice and this permission notice |
| * appear in supporting documentation, and that the name of |
| * Chris Wilson. Not be used in advertising or publicity pertaining to |
| * distribution of the software without specific, written prior |
| * permission. Chris Wilson makes no representations about the |
| * suitability of this software for any purpose. It is provided "as |
| * is" without express or implied warranty. |
| * |
| * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS |
| * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, |
| * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
| * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR |
| * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| * |
| * Author: Chris Wilson <chris at chris-wilson.co.uk> |
| */ |
| |
| #if HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #include "cairo-test.h" |
| #include <stdlib.h> /* drand48() */ |
| |
| #define LOOPS 10 |
| #define NRAND 100 |
| |
| #ifndef HAVE_DRAND48 |
| #define drand48() (rand () / (double) RAND_MAX) |
| #endif |
| |
| static cairo_scaled_font_t *scaled_font; |
| |
| static cairo_t * |
| _cairo_create_similar (cairo_t *cr, int width, int height) |
| { |
| cairo_surface_t *similar; |
| |
| similar = cairo_surface_create_similar (cairo_get_target (cr), |
| cairo_surface_get_content (cairo_get_target (cr)), |
| width, height); |
| cr = cairo_create (similar); |
| cairo_surface_destroy (similar); |
| |
| return cr; |
| } |
| |
| static cairo_t * |
| _cairo_create_image (cairo_t *cr, cairo_format_t format, int width, int height) |
| { |
| cairo_surface_t *image; |
| |
| image = cairo_image_surface_create (format, width, height); |
| cr = cairo_create (image); |
| cairo_surface_destroy (image); |
| |
| return cr; |
| } |
| |
| 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 void |
| _draw (cairo_t *cr, |
| double red, |
| double green, |
| double blue) |
| { |
| cairo_text_extents_t extents; |
| |
| cairo_set_source_rgb (cr, red, green, blue); |
| cairo_paint (cr); |
| |
| cairo_move_to (cr, 0, 0); |
| cairo_line_to (cr, 1, 1); |
| cairo_stroke (cr); |
| |
| cairo_mask (cr, cairo_get_source (cr)); |
| |
| cairo_set_scaled_font (cr, scaled_font); |
| cairo_text_extents (cr, "cairo", &extents); |
| cairo_move_to (cr, |
| -extents.x_bearing - .5 * extents.width, |
| -extents.y_bearing - .5 * extents.height); |
| cairo_show_text (cr, "cairo"); |
| } |
| |
| static void |
| use_similar (cairo_t *cr, |
| double red, |
| double green, |
| double blue) |
| { |
| cairo_t *cr2; |
| |
| if (cairo_status (cr)) |
| return; |
| |
| cr2 = _cairo_create_similar (cr, 1, 1); |
| |
| _draw (cr2, red, green, blue); |
| |
| _propagate_status (cr, cr2); |
| cairo_destroy (cr2); |
| } |
| |
| static void |
| use_image (cairo_t *cr, |
| cairo_format_t format, |
| double red, |
| double green, |
| double blue) |
| { |
| cairo_t *cr2; |
| |
| if (cairo_status (cr)) |
| return; |
| |
| cr2 = _cairo_create_image (cr, format, 1, 1); |
| |
| _draw (cr2, red, green, blue); |
| |
| _propagate_status (cr, cr2); |
| cairo_destroy (cr2); |
| } |
| |
| static void |
| use_solid (cairo_t *cr, |
| double red, |
| double green, |
| double blue) |
| { |
| /* mix in dissimilar solids */ |
| use_image (cr, CAIRO_FORMAT_A1, red, green, blue); |
| use_image (cr, CAIRO_FORMAT_A8, red, green, blue); |
| use_image (cr, CAIRO_FORMAT_RGB24, red, green, blue); |
| use_image (cr, CAIRO_FORMAT_ARGB32, red, green, blue); |
| |
| use_similar (cr, red, green, blue); |
| |
| _draw (cr, red, green, blue); |
| } |
| |
| static cairo_test_status_t |
| draw (cairo_t *cr, int width, int height) |
| { |
| const cairo_test_context_t *ctx = cairo_test_get_context (cr); |
| cairo_status_t status; |
| const double colors[8][3] = { |
| { 1.0, 0.0, 0.0 }, /* red */ |
| { 0.0, 1.0, 0.0 }, /* green */ |
| { 1.0, 1.0, 0.0 }, /* yellow */ |
| { 0.0, 0.0, 1.0 }, /* blue */ |
| { 1.0, 0.0, 1.0 }, /* magenta */ |
| { 0.0, 1.0, 1.0 }, /* cyan */ |
| { 1.0, 1.0, 1.0 }, /* white */ |
| { 0.0, 0.0, 0.0 }, /* black */ |
| }; |
| int i, j, loop; |
| |
| /* cache a resolved scaled-font */ |
| scaled_font = cairo_get_scaled_font (cr); |
| |
| for (loop = 0; loop < LOOPS; loop++) { |
| for (i = 0; i < LOOPS; i++) { |
| for (j = 0; j < 8; j++) { |
| use_solid (cr, colors[j][0], colors[j][1], colors[j][2]); |
| status = cairo_status (cr); |
| if (status) |
| return cairo_test_status_from_status (ctx, status); |
| } |
| } |
| |
| for (i = 0; i < NRAND; i++) { |
| use_solid (cr, drand48 (), drand48 (), drand48 ()); |
| status = cairo_status (cr); |
| if (status) |
| return cairo_test_status_from_status (ctx, status); |
| } |
| } |
| |
| /* stress test only, so clear the surface before comparing */ |
| cairo_set_source_rgb (cr, 0, 0, 1); |
| cairo_paint (cr); |
| |
| return CAIRO_TEST_SUCCESS; |
| } |
| |
| CAIRO_TEST (solid_pattern_cache_stress, |
| "Stress the solid pattern cache and ensure it behaves", |
| "stress", /* keywords */ |
| NULL, /* requirements */ |
| 1, 1, |
| NULL, draw) |