| /* |
| * Copyright © 2005 Red Hat, Inc. |
| * |
| * 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 |
| * Red Hat, Inc. not be used in advertising or publicity pertaining to |
| * distribution of the software without specific, written prior |
| * permission. Red Hat, Inc. makes no representations about the |
| * suitability of this software for any purpose. It is provided "as |
| * is" without express or implied warranty. |
| * |
| * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS |
| * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| * FITNESS, IN NO EVENT SHALL RED HAT, INC. 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: Carl D. Worth <cworth@cworth.org> |
| */ |
| |
| #include "cairo-test.h" |
| |
| #define WIDTH 31 |
| #define HEIGHT 22 |
| #define TEXT_SIZE 12 |
| |
| static cairo_test_status_t |
| draw (cairo_t *cr, int width, int height) |
| { |
| cairo_text_extents_t extents; |
| cairo_font_options_t *font_options; |
| const char black[] = "black", blue[] = "blue"; |
| |
| /* We draw in the default black, so paint white first. */ |
| cairo_save (cr); |
| cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ |
| cairo_paint (cr); |
| cairo_restore (cr); |
| |
| cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", |
| CAIRO_FONT_SLANT_NORMAL, |
| CAIRO_FONT_WEIGHT_NORMAL); |
| cairo_set_font_size (cr, TEXT_SIZE); |
| |
| font_options = cairo_font_options_create (); |
| cairo_get_font_options (cr, font_options); |
| cairo_font_options_set_antialias (font_options, CAIRO_ANTIALIAS_GRAY); |
| cairo_set_font_options (cr, font_options); |
| |
| cairo_font_options_destroy (font_options); |
| |
| cairo_set_source_rgb (cr, 0, 0, 0); /* black */ |
| cairo_text_extents (cr, black, &extents); |
| cairo_move_to (cr, -extents.x_bearing, -extents.y_bearing); |
| cairo_show_text (cr, black); |
| cairo_translate (cr, 0, -extents.y_bearing + 1); |
| |
| cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ |
| cairo_text_extents (cr, blue, &extents); |
| cairo_move_to (cr, -extents.x_bearing, -extents.y_bearing); |
| cairo_show_text (cr, blue); |
| |
| return CAIRO_TEST_SUCCESS; |
| } |
| |
| CAIRO_TEST (text_antialias_gray, |
| "Tests text rendering with grayscale antialiasing", |
| "text", /* keywords */ |
| "target=raster", /* requirements */ |
| WIDTH, HEIGHT, |
| NULL, draw) |