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Diffstat (limited to 'libs/cairo-1.16.0/test/ft-text-antialias-none.c')
| -rw-r--r-- | libs/cairo-1.16.0/test/ft-text-antialias-none.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/ft-text-antialias-none.c b/libs/cairo-1.16.0/test/ft-text-antialias-none.c new file mode 100644 index 0000000..64eea64 --- /dev/null +++ b/libs/cairo-1.16.0/test/ft-text-antialias-none.c @@ -0,0 +1,146 @@ +/* + * Copyright © 2006 Jinghua Luo + * + * 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. + * + * JINGHUA LUO 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: Jinghua Luo <sunmoon1997@gmail.com> + * Derived from: + * text-antialias-none.c, + * ft-font-create-for-ft-face.c. + * Original Author: Carl D. Worth <cworth@cworth.org> + */ +#include "cairo-test.h" +#include <cairo-ft.h> + +#define WIDTH 40 +#define HEIGHT 30 +#define TEXT_SIZE 12 + +static cairo_status_t +create_scaled_font (cairo_t * cr, + cairo_scaled_font_t **out) +{ + FcPattern *pattern, *resolved; + FcResult result; + cairo_font_face_t *font_face; + cairo_scaled_font_t *scaled_font; + cairo_font_options_t *font_options; + cairo_matrix_t font_matrix, ctm; + cairo_status_t status; + double pixel_size; + + font_options = cairo_font_options_create (); + + cairo_get_font_options (cr, font_options); + + pattern = FcPatternCreate (); + if (pattern == NULL) + return CAIRO_STATUS_NO_MEMORY; + + FcPatternAddString (pattern, FC_FAMILY, (FcChar8 *) CAIRO_TEST_FONT_FAMILY " Sans"); + FcPatternAddDouble (pattern, FC_SIZE, TEXT_SIZE); + FcConfigSubstitute (NULL, pattern, FcMatchPattern); + + cairo_ft_font_options_substitute (font_options, pattern); + + FcDefaultSubstitute (pattern); + resolved = FcFontMatch (NULL, pattern, &result); + if (resolved == NULL) { + FcPatternDestroy (pattern); + return CAIRO_STATUS_NO_MEMORY; + } + + /* turn antialiasing off */ + FcPatternDel (resolved, FC_ANTIALIAS); + FcPatternAddBool (resolved, FC_ANTIALIAS, FcFalse); + + FcPatternGetDouble (resolved, FC_PIXEL_SIZE, 0, &pixel_size); + + font_face = cairo_ft_font_face_create_for_pattern (resolved); + + cairo_matrix_init_identity (&font_matrix); + cairo_matrix_scale (&font_matrix, pixel_size, pixel_size); + + cairo_get_matrix (cr, &ctm); + + scaled_font = cairo_scaled_font_create (font_face, + &font_matrix, + &ctm, + font_options); + + cairo_font_options_destroy (font_options); + cairo_font_face_destroy (font_face); + FcPatternDestroy (pattern); + FcPatternDestroy (resolved); + + status = cairo_scaled_font_status (scaled_font); + if (status) { + cairo_scaled_font_destroy (scaled_font); + return status; + } + + *out = scaled_font; + return CAIRO_STATUS_SUCCESS; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_text_extents_t extents; + cairo_scaled_font_t *scaled_font; + cairo_status_t status; + 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); + + status = create_scaled_font (cr, &scaled_font); + if (status) { + return cairo_test_status_from_status (cairo_test_get_context (cr), + status); + } + + cairo_set_scaled_font (cr, scaled_font); + + 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); + + cairo_scaled_font_destroy (scaled_font); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (ft_text_antialias_none, + "Tests text rendering with no antialiasing", + "ft, text", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, draw) |