Grcov report - subsurface-scale.c

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/*

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 * Copyright 2009 Intel Corporation

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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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 * Intel 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. Intel 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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 * INTEL CORPORATION 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 INTEL CORPORATION 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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 * Author: Chris Wilson <chris@chris-wilson.co.uk>

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*/

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#include "cairo-test.h"

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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 *region[5];

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3

    const char *text = "Cairo";

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    int i;

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3

    cairo_set_source_rgb (cr, 1, 1, 1);

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3

    cairo_paint (cr);

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    cairo_rectangle (cr, 0, 20, 200, 60);

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    cairo_set_source_rgb (cr, 1, 0, 0);

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    cairo_fill (cr);

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    cairo_set_source_rgb (cr, 0, 0, 0);

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    for (i = 0; i < 5; i++) {

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	cairo_t *cr_region;

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	cairo_text_extents_t extents;

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	char buf[2] = { text[i], '\0' };

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        region[i] = cairo_surface_create_for_rectangle (cairo_get_target (cr),

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                                                        20 * i, 0, 20, 20);

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	cr_region = cairo_create (region[i]);

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	cairo_surface_destroy (region[i]);

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	cairo_select_font_face (cr_region, "@cairo:",

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				CAIRO_FONT_WEIGHT_NORMAL,

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				CAIRO_FONT_SLANT_NORMAL);

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	cairo_set_font_size (cr_region, 20);

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	cairo_text_extents (cr_region, buf, &extents);

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	cairo_move_to (cr_region,

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		       10 - (extents.width/2 + extents.x_bearing),

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		       10 - (extents.height/2 + extents.y_bearing));

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	cairo_show_text (cr_region, buf);

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	region[i] = cairo_surface_reference (cairo_get_target (cr_region));

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	cairo_destroy (cr_region);

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    cairo_scale (cr, 2, 2);

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    for (i = 0; i < 5; i++) {

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	cairo_set_source_surface (cr, region[5-i-1], 20 * i, 20);

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	cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_PAD);

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	cairo_rectangle (cr, 20*i, 20, 20, 20);

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	cairo_fill (cr);

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    for (i = 0; i < 5; i++) {

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	cairo_set_source_surface (cr, region[5-i-1], 20 * i, 40);

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	cairo_paint_with_alpha (cr, .5);

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    for (i = 0; i < 5; i++)

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	cairo_surface_destroy (region[i]);

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3

    return CAIRO_TEST_SUCCESS;

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CAIRO_TEST (subsurface_scale,

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	    "Tests clipping of both source and destination using subsurfaces",

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	    "subsurface", /* keywords */

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	    "target=raster", /* FIXME! recursion bug in subsurface/snapshot (with pdf backend) */ /* requirements */

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	    200, 120,

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	    NULL, draw)