diff options
Diffstat (limited to 'libs/cairo-1.16.0/test/halo.c')
| -rw-r--r-- | libs/cairo-1.16.0/test/halo.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/halo.c b/libs/cairo-1.16.0/test/halo.c new file mode 100644 index 0000000..30064e5 --- /dev/null +++ b/libs/cairo-1.16.0/test/halo.c @@ -0,0 +1,158 @@ +/* + * Copyright 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* Try to replicate the misbehaviour of show_glyphs() versus glyph_path() + * in the PDF backend reported by Ian Britten. + */ + +static void +halo_around_path (cairo_t *cr, const char *str) +{ + cairo_text_path (cr, str); + + cairo_set_source_rgb (cr, 0, .5, 1); + cairo_stroke_preserve (cr); + cairo_set_source_rgb (cr, 1, .5, 0); + cairo_fill (cr); +} + +static void +halo_around_text (cairo_t *cr, const char *str) +{ + double x, y; + + cairo_get_current_point (cr, &x, &y); + cairo_text_path (cr, str); + + cairo_set_source_rgb (cr, 0, .5, 1); + cairo_stroke(cr); + + cairo_set_source_rgb (cr, 1, .5, 0); + cairo_move_to (cr, x, y); + cairo_show_text (cr, str); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const char *string = "0123456789"; + cairo_text_extents_t extents; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_text_extents (cr, string, &extents); + + cairo_set_font_size (cr, 12); + cairo_set_line_width (cr, 3); + cairo_move_to (cr, 9, 4 + extents.height); + halo_around_path (cr, string); + + cairo_move_to (cr, 109, 4 + extents.height); + halo_around_text (cr, string); + + cairo_set_font_size (cr, 6); + cairo_set_line_width (cr, 3); + cairo_move_to (cr, 19 + extents.width, 20 + extents.height); + halo_around_path (cr, "0"); + + cairo_move_to (cr, 119 + extents.width, 20 + extents.height); + halo_around_text (cr, "0"); + + cairo_set_font_size (cr, 64); + cairo_set_line_width (cr, 10); + cairo_move_to (cr, 8, 70); + halo_around_path (cr, "6"); + cairo_move_to (cr, 32, 90); + halo_around_path (cr, "7"); + + cairo_move_to (cr, 108, 70); + halo_around_text (cr, "6"); + cairo_move_to (cr, 132, 90); + halo_around_text (cr, "7"); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_transform (cairo_t *cr, int width, int height) +{ + const char *string = "0123456789"; + cairo_text_extents_t extents; + + cairo_translate (cr, 50, 50); + cairo_scale (cr, M_SQRT2, M_SQRT2); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_text_extents (cr, string, &extents); + + cairo_set_line_width (cr, 3); + cairo_move_to (cr, 9, 4 + extents.height); + halo_around_path (cr, string); + + cairo_move_to (cr, 109, 4 + extents.height); + halo_around_text (cr, string); + + cairo_set_font_size (cr, 6); + cairo_set_line_width (cr, 3); + cairo_move_to (cr, 19 + extents.width, 20 + extents.height); + halo_around_path (cr, "0"); + + cairo_move_to (cr, 119 + extents.width, 20 + extents.height); + halo_around_text (cr, "0"); + + cairo_set_font_size (cr, 64); + cairo_set_line_width (cr, 10); + cairo_move_to (cr, 8, 70); + halo_around_path (cr, "6"); + cairo_move_to (cr, 32, 90); + halo_around_path (cr, "7"); + + cairo_move_to (cr, 108, 70); + halo_around_text (cr, "6"); + cairo_move_to (cr, 132, 90); + halo_around_text (cr, "7"); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (halo, + "Check the show_glyphs() vs glyph_path()", + "text", /* keywords */ + NULL, /* requirements */ + 200, 100, + NULL, draw) + +CAIRO_TEST (halo_transform, + "Check the show_glyphs() vs glyph_path()", + "text", /* keywords */ + NULL, /* requirements */ + 400, 200, + NULL, draw_transform) |