Grcov report - xcb-huge-subimage.c

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/*

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 * Copyright © 2012 Uli Schlachter

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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: Uli Schlachter <psychon@znc.in>

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*/

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#include "cairo-test.h"

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#define WIDTH 6000

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#define HEIGHT 6000

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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_surface_t *image;

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    cairo_surface_t *subimage;

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    cairo_rectangle_int_t extents;

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    cairo_t *cr2;

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3

    extents.x = extents.y = 10;

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3

    extents.width = WIDTH - 20;

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3

    extents.height = HEIGHT - 20;

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    /* We use a similar surface to have way smaller ref images */

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3

    surface = cairo_surface_create_similar (cairo_get_target (cr),

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					    CAIRO_CONTENT_COLOR_ALPHA,

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					    WIDTH, HEIGHT);

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    /* First we have to defeat xcb's deferred clear */

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3

    cr2 = cairo_create (surface);

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3

    cairo_test_paint_checkered (cr2);

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3

    cairo_destroy (cr2);

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    /* Get us an image surface with a non-natural stride */

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3

    image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,

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					WIDTH, HEIGHT);

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3

    subimage = cairo_surface_map_to_image (image, &extents);

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    /* Paint the subimage to the similar surface and trigger the big upload */

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3

    cr2 = cairo_create (surface);

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3

    cairo_set_source_surface (cr2, subimage, 0, 0);

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3

    cairo_paint (cr2);

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3

    cairo_destroy (cr2);

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    /* Finally we make sure that errors aren't lost. */

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3

    cairo_surface_unmap_image (image, subimage);

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3

    cairo_set_source_surface (cr, surface, 0, 0);

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3

    cairo_paint (cr);

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3

    cairo_surface_destroy (image);

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3

    cairo_surface_destroy (surface);

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3

    return CAIRO_TEST_SUCCESS;

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1

CAIRO_TEST (xcb_huge_subimage,

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	    "Test if the maximum request size is honored",

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	    "xcb", /* keywords */

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	    NULL, /* requirements */

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	    2, 2,

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	    NULL, draw)