Grcov report - surface-pattern-scale-up.c

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/*

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 * Copyright © 2007 Red Hat, Inc.

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 * Permission is hereby granted, free of charge, to any person

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 * obtaining a copy of this software and associated documentation

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 * files (the "Software"), to deal in the Software without

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 * restriction, including without limitation the rights to use, copy,

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 * modify, merge, publish, distribute, sublicense, and/or sell copies

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 * of the Software, and to permit persons to whom the Software is

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 * furnished to do so, subject to the following conditions:

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 * The above copyright notice and this permission notice shall be

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 * included in all copies or substantial portions of the Software.

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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

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 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS

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 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

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 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

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 * SOFTWARE.

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 * Author: Behdad Esfahbod <behdad@behdad.org>

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*/

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/* Exhibits nasty behaviour with GS due as their /Interpolate implementation

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 * does not function for rotated images. */

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#include "cairo-test.h"

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#include <math.h>

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#include <stdio.h>

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#define SIZE 100

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static cairo_test_status_t

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3

draw (cairo_t *cr, int width, int height)

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    cairo_surface_t *surface;

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    cairo_t * cr_surface;

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3

    int surface_size = 6;

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    /* Fill the background with grey, so that it's easily visible when

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     * things get overdrawn */

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3

    cairo_set_source_rgb (cr, 0.5, 0.5, 0.5);

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3

    cairo_paint (cr);

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    /* Create an image surface with my favorite four colors in each

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     * quadrant. */

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3

    surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,

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					  surface_size, surface_size);

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3

    cr_surface = cairo_create (surface);

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3

    cairo_surface_destroy (surface);

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3

    cairo_set_source_rgb (cr_surface, 1, 1, 1);

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3

    cairo_rectangle (cr_surface,

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		     0, 0,

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3

		     surface_size / 2, surface_size / 2);

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3

    cairo_fill (cr_surface);

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3

    cairo_set_source_rgb (cr_surface, 1, 0, 0);

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3

    cairo_rectangle (cr_surface,

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3

		     surface_size / 2, 0,

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3

		     surface_size / 2, surface_size / 2);

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3

    cairo_fill (cr_surface);

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3

    cairo_set_source_rgb (cr_surface, 0, 1, 0);

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3

    cairo_rectangle (cr_surface,

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3

		     0, surface_size / 2,

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3

		     surface_size / 2, surface_size / 2);

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3

    cairo_fill (cr_surface);

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3

    cairo_set_source_rgb (cr_surface, 0, 0, 1);

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3

    cairo_rectangle (cr_surface,

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		     surface_size / 2, surface_size / 2,

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		     surface_size / 2, surface_size / 2);

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3

    cairo_fill (cr_surface);

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3

    cairo_scale (cr, 10, 10);

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3

    cairo_rotate (cr, 1.);

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3

    cairo_set_source_surface (cr, cairo_get_target (cr_surface), 4, -4.5);

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3

    cairo_destroy (cr_surface);

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3

    cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_NONE);

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3

    cairo_paint (cr);

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3

    return CAIRO_TEST_SUCCESS;

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1

CAIRO_TEST (surface_pattern_scale_up,

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	    "Test scaled-up transformed not-repeated surface patterns"

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	    "\nFails xlib backend (with argb32) with inexplicable alpha in result",

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	    "transform", /* keywords */

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	    NULL, /* requirements */

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	    SIZE, SIZE,

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	    NULL, draw)