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-rw-r--r--test/surface-pattern-big-scale-down.c125
1 files changed, 0 insertions, 125 deletions
diff --git a/test/surface-pattern-big-scale-down.c b/test/surface-pattern-big-scale-down.c
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--- a/test/surface-pattern-big-scale-down.c
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@@ -1,125 +0,0 @@
-/*
- * Copyright © 2006 Mozilla Corporation
- *
- * 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
- * Mozilla Corporation not be used in advertising or publicity pertaining to
- * distribution of the software without specific, written prior
- * permission. Mozilla Corporation makes no representations about the
- * suitability of this software for any purpose. It is provided "as
- * is" without express or implied warranty.
- *
- * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
- * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL MOZILLA CORPORATION 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: Vladimir Vukicevic <vladimir@pobox.com>
- */
-
-#include "cairo-test.h"
-
-#define SRC_WIDTH 2048
-#define SRC_HEIGHT 32
-
-static cairo_surface_t *
-create_source_surface (int w, int h)
-{
- cairo_surface_t *surface;
- cairo_t *cr;
-
- surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, SRC_WIDTH, SRC_HEIGHT);
- cr = cairo_create (surface);
- cairo_surface_destroy (surface);
-
- cairo_set_source_rgb (cr, 1.0, 0.0, 0.0);
- cairo_rectangle (cr, 0, 0, w/2, h/2);
- cairo_fill (cr);
-
- cairo_set_source_rgb (cr, 0.0, 1.0, 0.0);
- cairo_rectangle (cr, w/2, 0, w/2, h/2);
- cairo_fill (cr);
-
- cairo_set_source_rgb (cr, 0.0, 0.0, 1.0);
- cairo_rectangle (cr, 0, h/2, w/2, h/2);
- cairo_fill (cr);
-
- cairo_set_source_rgb (cr, 1.0, 1.0, 0.0);
- cairo_rectangle (cr, w/2, h/2, w/2, h/2);
- cairo_fill (cr);
-
- surface = cairo_surface_reference (cairo_get_target (cr));
- cairo_destroy (cr);
-
- return surface;
-}
-
-static void
-draw_n (cairo_t *cr, cairo_pattern_t *pat, double dest_size, int n)
-{
- cairo_matrix_t mat;
-
- cairo_matrix_init_scale (&mat, SRC_WIDTH / dest_size, SRC_HEIGHT / dest_size);
- cairo_matrix_translate (&mat, n * -dest_size, 0.0);
- cairo_pattern_set_matrix (pat, &mat);
-
- cairo_set_source (cr, pat);
- cairo_new_path (cr);
- cairo_rectangle (cr, n * dest_size, 0.0, dest_size, dest_size);
- cairo_fill (cr);
-}
-
-static cairo_test_status_t
-draw (cairo_t *cr, int width, int height)
-{
- cairo_surface_t *surface;
- cairo_pattern_t *pat;
-
- cairo_set_source_rgb (cr, 0, 0, 0);
- cairo_paint (cr);
-
- surface = create_source_surface (SRC_WIDTH, SRC_HEIGHT);
-
- pat = cairo_pattern_create_for_surface (surface);
- cairo_surface_destroy (surface);
-
- /* We want to draw at a position such that n * SRC_WIDTH * (SRC_WIDTH/16.0) > 32768.
- * x = n * 16.
- *
- * To show the bug, we want to draw on either side of the boundary;
- * in our case here, n = 16 results in 32768, and n = 17 results in > 32768.
- *
- * Drawing at 16 and 17 is sufficient to show the problem.
- */
-
-#if 1
- /* n = 16 */
- draw_n (cr, pat, 16.0, 16);
-
- /* n = 17 */
- draw_n (cr, pat, 16.0, 17);
-#else
- {
- int n;
- for (n = 0; n < 32; n++)
- draw_n (cr, pat, 16.0, n);
- }
-#endif
-
- cairo_pattern_destroy (pat);
-
- return CAIRO_TEST_SUCCESS;
-}
-
-CAIRO_TEST (surface_pattern_big_scale_down,
- "Test scaled-down transformed not-repeated surface patterns with large images and offsets",
- "transform", /* keywords */
- NULL, /* requirements */
- 512, 16,
- NULL, draw)