From 45d9659665fbce3484228ce5d4d94ac483f894e6 Mon Sep 17 00:00:00 2001 From: Andrea Canciani Date: Fri, 6 Jan 2012 16:41:41 +0100 Subject: test: Add negative-stride-image Add a test to check that all the backends can handle images with negative stride. --- test/Makefile.sources | 1 + test/negative-stride-image.c | 71 +++++++++++++++++++++ .../negative-stride-image.image16.ref.png | Bin 0 -> 61197 bytes test/reference/negative-stride-image.ps.ref.png | Bin 0 -> 77159 bytes test/reference/negative-stride-image.ref.png | Bin 0 -> 81121 bytes 5 files changed, 72 insertions(+) create mode 100644 test/negative-stride-image.c create mode 100644 test/reference/negative-stride-image.image16.ref.png create mode 100644 test/reference/negative-stride-image.ps.ref.png create mode 100644 test/reference/negative-stride-image.ref.png diff --git a/test/Makefile.sources b/test/Makefile.sources index 54a2dae1..a76f37f6 100644 --- a/test/Makefile.sources +++ b/test/Makefile.sources @@ -210,6 +210,7 @@ test_sources = \ mime-surface-api.c \ miter-precision.c \ move-to-show-surface.c \ + negative-stride-image.c \ new-sub-path.c \ nil-surface.c \ operator.c \ diff --git a/test/negative-stride-image.c b/test/negative-stride-image.c new file mode 100644 index 00000000..a407b8cf --- /dev/null +++ b/test/negative-stride-image.c @@ -0,0 +1,71 @@ +/* + * Copyright 2012 Andrea Canciani + * + * 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: Andrea Canciani + */ + +#include "cairo-test.h" + +static const char *png_filename = "romedalen.png"; + +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_format_t format = CAIRO_FORMAT_ARGB32; + cairo_t *cr_inv; + cairo_surface_t *png, *inv; + uint8_t *data; + int stride; + + png = cairo_test_create_surface_from_png (ctx, png_filename); + + stride = cairo_format_stride_for_width (format, width); + data = calloc (stride, height); + inv = cairo_image_surface_create_for_data (data + stride * (height - 1), + format, width, height, -stride); + + cr_inv = cairo_create (inv); + cairo_set_source_surface (cr_inv, png, 0, 0); + cairo_paint (cr_inv); + cairo_destroy (cr_inv); + + cairo_set_source_surface (cr, inv, 0, 0); + cairo_paint (cr); + + cairo_surface_destroy (png); + + cairo_surface_finish (inv); + cairo_surface_destroy (inv); + + free (data); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (negative_stride_image, + "Test that images with a negative stride are handled correctly.", + "stride, image", /* keywords */ + NULL, /* requirements */ + 256, 192, + NULL, draw) diff --git a/test/reference/negative-stride-image.image16.ref.png b/test/reference/negative-stride-image.image16.ref.png new file mode 100644 index 00000000..4b15914f Binary files /dev/null and b/test/reference/negative-stride-image.image16.ref.png differ diff --git a/test/reference/negative-stride-image.ps.ref.png b/test/reference/negative-stride-image.ps.ref.png new file mode 100644 index 00000000..953c9a18 Binary files /dev/null and b/test/reference/negative-stride-image.ps.ref.png differ diff --git a/test/reference/negative-stride-image.ref.png b/test/reference/negative-stride-image.ref.png new file mode 100644 index 00000000..44284566 Binary files /dev/null and b/test/reference/negative-stride-image.ref.png differ -- cgit v1.2.3