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/*
* Copyright 2009 Chris Wilson
*
* 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
* Chris Wilson not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Chris Wilson makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL CHRIS WILSON 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.
*
* Author: Chris Wilson <chris@chris-wilson.co.uk>
*/
#include "cairo-test.h"
static cairo_scaled_font_t *
create_twin (cairo_t *cr, cairo_antialias_t antialias)
{
cairo_font_options_t *options;
cairo_select_font_face (cr,
"@cairo:",
CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
options = cairo_font_options_create ();
cairo_font_options_set_antialias (options, antialias);
cairo_set_font_options (cr, options);
cairo_font_options_destroy (options);
return cairo_scaled_font_reference (cairo_get_scaled_font (cr));
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_scaled_font_t *subpixel, *gray, *none;
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_set_font_size (cr, 16);
subpixel = create_twin (cr, CAIRO_ANTIALIAS_SUBPIXEL);
gray = create_twin (cr, CAIRO_ANTIALIAS_GRAY);
none = create_twin (cr, CAIRO_ANTIALIAS_NONE);
cairo_move_to (cr, 4, 14);
cairo_set_scaled_font (cr, subpixel);
cairo_show_text (cr, "Is cairo's");
cairo_set_scaled_font (cr, gray);
cairo_show_text (cr, " twin");
cairo_set_scaled_font (cr, none);
cairo_show_text (cr, " giza?");
cairo_move_to (cr, 4, 34);
cairo_set_scaled_font (cr, gray);
cairo_show_text (cr, "Is cairo's");
cairo_set_scaled_font (cr, none);
cairo_show_text (cr, " twin");
cairo_set_scaled_font (cr, subpixel);
cairo_show_text (cr, " giza?");
cairo_move_to (cr, 4, 54);
cairo_set_scaled_font (cr, none);
cairo_show_text (cr, "Is cairo's");
cairo_set_scaled_font (cr, gray);
cairo_show_text (cr, " twin");
cairo_set_scaled_font (cr, subpixel);
cairo_show_text (cr, " giza?");
cairo_scaled_font_destroy (none);
cairo_scaled_font_destroy (gray);
cairo_scaled_font_destroy (subpixel);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (twin_antialias_mixed,
"Tests the internal font (with intermixed antialiasing)",
"twin, font", /* keywords */
NULL, /* requirements */
140, 60,
NULL, draw)
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