From c61480a319bad55b0b4cf3f2be609bde9f2c5948 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Wed, 9 Sep 2009 11:08:17 +0100 Subject: [test] An oversized twin test case. A larger variant of the twin mixed antialiasing test. --- test/large-twin-antialias-mixed.c | 97 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 test/large-twin-antialias-mixed.c (limited to 'test/large-twin-antialias-mixed.c') diff --git a/test/large-twin-antialias-mixed.c b/test/large-twin-antialias-mixed.c new file mode 100644 index 00000000..57aa5d77 --- /dev/null +++ b/test/large-twin-antialias-mixed.c @@ -0,0 +1,97 @@ +/* + * 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 + */ + +#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, 64); + 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, 64); + 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, 128+16); + 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, 192+32); + 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 (large_twin_antialias_mixed, + "Tests the internal font (with intermixed antialiasing)", + "twin, font", /* keywords */ + NULL, /* requirements */ + 524, 240, + NULL, draw) -- cgit v1.2.3