diff options
Diffstat (limited to 'test/a8-mask.c')
| -rw-r--r-- | test/a8-mask.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/test/a8-mask.c b/test/a8-mask.c deleted file mode 100644 index ec708121e..000000000 --- a/test/a8-mask.c +++ /dev/null @@ -1,201 +0,0 @@ -/* - * Copyright © Jeff Muizelaar - * - * 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 - * Red Hat, Inc. not be used in advertising or publicity pertaining to - * distribution of the software without specific, written prior - * permission. Red Hat, Inc. makes no representations about the - * suitability of this software for any purpose. It is provided "as - * is" without express or implied warranty. - * - * JEFF MUIZELAAR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL RED HAT, INC. 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. - * - * Authors: Jeff Muizelaar <jeff@infidigm.net> - * Carl Worth <cworth@cworth.org> - */ - -#include "cairo-test.h" - -#define MASK_WIDTH 8 -#define MASK_HEIGHT 8 - -static unsigned char mask[MASK_WIDTH * MASK_HEIGHT] = { - 0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0, 0x0, - 0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0, 0x0, - 0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0, 0x0, - 0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0, 0x0, - 0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0, 0x0, - 0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0, 0x0, - 0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0, 0x0, - 0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0, 0x0, -}; - -static cairo_test_status_t -check_status (const cairo_test_context_t *ctx, - cairo_status_t status, - cairo_status_t expected) -{ - if (status == expected) - return CAIRO_TEST_SUCCESS; - - cairo_test_log (ctx, - "Error: Expected status value %d (%s), received %d (%s)\n", - expected, - cairo_status_to_string (expected), - status, - cairo_status_to_string (status)); - return CAIRO_TEST_FAILURE; -} - -static cairo_test_status_t -test_surface_with_width_and_stride (const cairo_test_context_t *ctx, - int width, int stride, - cairo_status_t expected) -{ - cairo_test_status_t status; - cairo_surface_t *surface; - cairo_t *cr; - int len; - unsigned char *data; - - cairo_test_log (ctx, - "Creating surface with width %d and stride %d\n", - width, stride); - - len = stride; - if (len < 0) - len = -len; - data = xmalloc (len); - - surface = cairo_image_surface_create_for_data (data, CAIRO_FORMAT_A8, - width, 1, stride); - cr = cairo_create (surface); - - cairo_paint (cr); - - status = check_status (ctx, cairo_surface_status (surface), expected); - if (status) - goto BAIL; - - status = check_status (ctx, cairo_status (cr), expected); - if (status) - goto BAIL; - - BAIL: - cairo_destroy (cr); - cairo_surface_destroy (surface); - free (data); - return status; -} - -static cairo_test_status_t -draw (cairo_t *cr, int dst_width, int dst_height) -{ - int stride, row; - unsigned char *src, *dst, *mask_aligned; - cairo_surface_t *surface; - - /* Now test actually drawing through our mask data, allocating and - * copying with the proper stride. */ - stride = cairo_format_stride_for_width (CAIRO_FORMAT_A8, - MASK_WIDTH); - - mask_aligned = xmalloc (stride * MASK_HEIGHT); - - src = mask; - dst = mask_aligned; - for (row = 0; row < MASK_HEIGHT; row++) { - memcpy (dst, src, MASK_WIDTH); - src += MASK_WIDTH; - dst += stride; - } - - surface = cairo_image_surface_create_for_data (mask_aligned, - CAIRO_FORMAT_A8, - MASK_WIDTH, - MASK_HEIGHT, - stride); - - /* Paint background blue */ - cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ - cairo_paint (cr); - - /* Then paint red through our mask */ - cairo_set_source_rgb (cr, 1, 0, 0); /* red */ - cairo_mask_surface (cr, surface, 0, 0); - cairo_surface_destroy (surface); - - free (mask_aligned); - - return CAIRO_TEST_SUCCESS; -} - -static cairo_test_status_t -preamble (cairo_test_context_t *ctx) -{ - cairo_test_status_t status = CAIRO_TEST_SUCCESS; - int test_width; - - for (test_width = 0; test_width < 40; test_width++) { - int stride = cairo_format_stride_for_width (CAIRO_FORMAT_A8, - test_width); - cairo_status_t expected; - - /* First create a surface using the width as the stride, - * (most of these should fail). - */ - expected = (stride == test_width) ? - CAIRO_STATUS_SUCCESS : CAIRO_STATUS_INVALID_STRIDE; - - status = test_surface_with_width_and_stride (ctx, - test_width, - test_width, - expected); - if (status) - return status; - - status = test_surface_with_width_and_stride (ctx, - test_width, - -test_width, - expected); - if (status) - return status; - - - /* Then create a surface using the correct stride, - * (should always succeed). - */ - status = test_surface_with_width_and_stride (ctx, - test_width, - stride, - CAIRO_STATUS_SUCCESS); - if (status) - return status; - - status = test_surface_with_width_and_stride (ctx, - test_width, - -stride, - CAIRO_STATUS_SUCCESS); - if (status) - return status; - } - - return status; -} - -CAIRO_TEST (a8_mask, - "test masks of CAIRO_FORMAT_A8", - "alpha, mask", /* keywords */ - NULL, /* requirements */ - 8, 8, - preamble, draw) |