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e90073f7dd
Avoid calling libtool to link every single test case, by building just one binary from all the sources. This binary is then given the task of choosing tests to run (based on user selection and individual test requirement), forking each test into its own process and accumulating the results.
85 lines
3.1 KiB
C
85 lines
3.1 KiB
C
/*
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* Copyright © 2006 Red Hat, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of
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* Red Hat, Inc. not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. Red Hat, Inc. makes no representations about the
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* suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
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* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
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* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Carl D. Worth <cworth@cworth.org>
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*/
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#include "cairo-test.h"
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#define SIZE 8
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#define PAD 2
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static cairo_test_status_t
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draw (cairo_t *cr, int width, int height)
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{
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cairo_surface_t *group;
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double x, y;
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/* First paint background in blue. */
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cairo_set_source_rgb (cr, 0.0, 0.0, 1.0);
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cairo_paint (cr);
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/* Then clip so that the group surface ends up smaller than the
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* original surface. */
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cairo_rectangle (cr, PAD, PAD, width - 2 * PAD, height - 2 * PAD);
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cairo_clip (cr);
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/* Paint the clipped region in red (which should all be overwritten later). */
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cairo_set_source_rgb (cr, 1.0, 0.0, 0.0);
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cairo_paint (cr);
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/* Redirect to a new group and get that surface. */
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cairo_push_group (cr);
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group = cairo_get_group_target (cr);
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/* Then paint in green what we query the group surface size to be. */
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cairo_set_source_rgb (cr, 0.0, 1.0, 0.0);
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cairo_surface_get_device_offset (group, &x, &y);
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/* Or rather, we calculate the group surface size based on the
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* only thing we can query which is the device offset. Ideally,
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* the size would always be the minimal (width - 2 * PAD, height -
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* 2 * PAD) based on the clip. But currently, group targets are
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* created oversized for paginated surfaces, so we only subtract
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* anything from the size if there is a non-zero device offfset.
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*
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* The calculation below might also be less confusing if the sign
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* convention on the device offset were reversed, but it is what
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* it is. Oh well. */
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cairo_rectangle (cr,
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-x, -y,
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width + 2 * x,
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height + 2 * y);
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cairo_fill (cr);
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/* Finish up the group painting. */
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cairo_pop_group_to_source (cr);
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cairo_paint (cr);
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return CAIRO_TEST_SUCCESS;
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}
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CAIRO_TEST (get_group_target,
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"Test of both cairo_get_group_target and cairo_surface_get_device_offset",
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"api", /* keywords */
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NULL, /* requirements */
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SIZE, SIZE,
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NULL, draw)
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