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https://gitlab.freedesktop.org/cairo/cairo.git
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97 lines
3.2 KiB
C
97 lines
3.2 KiB
C
/*
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* Copyright 2009 Chris Wilson
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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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* Chris Wilson 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. Chris Wilson 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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* CHRIS WILSON 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 CHRIS WILSON 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: 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_scaled_font_t *
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create_twin (cairo_t *cr, cairo_antialias_t antialias)
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{
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cairo_font_options_t *options;
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cairo_select_font_face (cr,
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"@cairo:",
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CAIRO_FONT_SLANT_NORMAL,
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CAIRO_FONT_WEIGHT_NORMAL);
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options = cairo_font_options_create ();
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cairo_font_options_set_antialias (options, antialias);
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cairo_set_font_options (cr, options);
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cairo_font_options_destroy (options);
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return cairo_scaled_font_reference (cairo_get_scaled_font (cr));
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}
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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_scaled_font_t *subpixel, *gray, *none;
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cairo_set_source_rgb (cr, 1, 1, 1);
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cairo_paint (cr);
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cairo_set_source_rgb (cr, 0, 0, 0);
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cairo_set_font_size (cr, 16);
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subpixel = create_twin (cr, CAIRO_ANTIALIAS_SUBPIXEL);
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gray = create_twin (cr, CAIRO_ANTIALIAS_GRAY);
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none = create_twin (cr, CAIRO_ANTIALIAS_NONE);
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cairo_move_to (cr, 4, 14);
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cairo_set_scaled_font (cr, subpixel);
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cairo_show_text (cr, "Is cairo's");
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cairo_set_scaled_font (cr, gray);
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cairo_show_text (cr, " twin");
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cairo_set_scaled_font (cr, none);
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cairo_show_text (cr, " giza?");
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cairo_move_to (cr, 4, 34);
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cairo_set_scaled_font (cr, gray);
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cairo_show_text (cr, "Is cairo's");
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cairo_set_scaled_font (cr, none);
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cairo_show_text (cr, " twin");
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cairo_set_scaled_font (cr, subpixel);
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cairo_show_text (cr, " giza?");
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cairo_move_to (cr, 4, 54);
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cairo_set_scaled_font (cr, none);
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cairo_show_text (cr, "Is cairo's");
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cairo_set_scaled_font (cr, gray);
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cairo_show_text (cr, " twin");
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cairo_set_scaled_font (cr, subpixel);
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cairo_show_text (cr, " giza?");
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cairo_scaled_font_destroy (none);
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cairo_scaled_font_destroy (gray);
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cairo_scaled_font_destroy (subpixel);
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return CAIRO_TEST_SUCCESS;
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}
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CAIRO_TEST (twin_antialias_mixed,
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"Tests the internal font (with intermixed antialiasing)",
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"twin, font", /* keywords */
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"target=raster", /* requirements */
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140, 60,
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NULL, draw)
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