diff options
Diffstat (limited to 'libs/cairo-1.16.0/test/xlib-expose-event.c')
| -rw-r--r-- | libs/cairo-1.16.0/test/xlib-expose-event.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/libs/cairo-1.16.0/test/xlib-expose-event.c b/libs/cairo-1.16.0/test/xlib-expose-event.c deleted file mode 100644 index 1de23e0..0000000 --- a/libs/cairo-1.16.0/test/xlib-expose-event.c +++ /dev/null @@ -1,196 +0,0 @@ -/* - * Copyright © 2008 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@chris-wilson.co.uk> - */ - -/* This test tries to emulate the behaviour of most toolkits; it tries - * to simulate typical usage of a single surface with multiple exposures. - * - * The first goal of the test is to reproduce the XSetClipMask(NULL) bug - * reintroduced in 1.6.2 (but was originally fixed in 40558cb15). As I've - * made the same mistake again, it is worth adding a regression test... - */ - -#include "cairo-test.h" - -#include <stdio.h> -#include <stdlib.h> - -#include "cairo.h" - -#include "buffer-diff.h" - -#define SIZE 160 -#define NLOOPS 10 - -static const char *png_filename = "romedalen.png"; - -static void -draw_mask (cairo_t *cr) -{ - cairo_surface_t *surface; - cairo_t *cr2; - - surface = cairo_surface_create_similar (cairo_get_group_target (cr), - CAIRO_CONTENT_ALPHA, - 50, 50); - cr2 = cairo_create (surface); - cairo_surface_destroy (surface); - - cairo_rectangle (cr2, - 0, 0, - 40, 40); - cairo_rectangle (cr2, - 10, 10, - 40, 40); - cairo_clip (cr2); - - cairo_move_to (cr2, 0, 25); - cairo_line_to (cr2, 50, 25); - cairo_move_to (cr2, 25, 0); - cairo_line_to (cr2, 25, 50); - cairo_set_source_rgb (cr2, 1, 1, 1); - cairo_stroke (cr2); - - cairo_set_source_rgb (cr, 1, 0, 0); - cairo_mask_surface (cr, cairo_get_target (cr2), 50, 50); - cairo_destroy (cr2); -} - -static cairo_surface_t * -clone_similar_surface (cairo_surface_t * target, cairo_surface_t *surface) -{ - cairo_t *cr; - cairo_surface_t *similar; - - similar = cairo_surface_create_similar (target, - cairo_surface_get_content (surface), - cairo_image_surface_get_width (surface), - cairo_image_surface_get_height (surface)); - - cr = cairo_create (similar); - cairo_surface_destroy (similar); - - cairo_set_source_surface (cr, surface, 0, 0); - cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); - cairo_paint (cr); - - similar = cairo_surface_reference (cairo_get_target (cr)); - cairo_destroy (cr); - - return similar; -} - -static void -draw_image (const cairo_test_context_t *ctx, - cairo_t *cr, - cairo_surface_t *image) -{ - cairo_set_source_surface (cr, image, 0, 0); - cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); - cairo_paint (cr); -} - -static void -draw (const cairo_test_context_t *ctx, - cairo_t *cr, - cairo_surface_t *image, - cairo_rectangle_t *region, - int n_regions) -{ - cairo_save (cr); - if (region != NULL) { - int i; - for (i = 0; i < n_regions; i++) { - cairo_rectangle (cr, - region[i].x, region[i].y, - region[i].width, region[i].height); - } - cairo_clip (cr); - } - cairo_push_group (cr); - draw_image (ctx, cr, image); - draw_mask (cr); - cairo_pop_group_to_source (cr); - cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); - cairo_paint (cr); - cairo_restore (cr); -} - -static cairo_test_status_t -draw_func (cairo_t *cr, int width, int height) -{ - cairo_rectangle_t region[4]; - const cairo_test_context_t *ctx; - cairo_surface_t *source, *image; - int i, j; - - ctx = cairo_test_get_context (cr); - - source = cairo_test_create_surface_from_png (ctx, png_filename); - image = clone_similar_surface (cairo_get_group_target (cr), source); - cairo_surface_destroy (source); - - cairo_push_group_with_content (cr, CAIRO_CONTENT_COLOR); - draw (ctx, cr, image, NULL, 0); - for (i = 0; i < NLOOPS; i++) { - for (j = 0; j < NLOOPS; j++) { - region[0].x = i * SIZE / NLOOPS; - region[0].y = i * SIZE / NLOOPS; - region[0].width = SIZE / 4; - region[0].height = SIZE / 4; - - region[1].x = j * SIZE / NLOOPS; - region[1].y = j * SIZE / NLOOPS; - region[1].width = SIZE / 4; - region[1].height = SIZE / 4; - - region[2].x = i * SIZE / NLOOPS; - region[2].y = j * SIZE / NLOOPS; - region[2].width = SIZE / 4; - region[2].height = SIZE / 4; - - region[3].x = j * SIZE / NLOOPS; - region[3].y = i * SIZE / NLOOPS; - region[3].width = SIZE / 4; - region[3].height = SIZE / 4; - - draw (ctx, cr, image, region, 4); - } - } - - cairo_pop_group_to_source (cr); - cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); - cairo_paint (cr); - - cairo_surface_destroy (image); - - return CAIRO_TEST_SUCCESS; -} - -CAIRO_TEST (xlib_expose_event, - "Emulate a typical expose event", - "xlib", /* keywords */ - NULL, /* requirements */ - SIZE, SIZE, - NULL, draw_func) |