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db04ab8f63
This new test (based on show-glyphs-many) checks that the glyphs
advances are respected along both axes.
9c0d761bfc introduced a bug which
regresses this test in quartz.
Thanks to Jeff Muizelaar for the report!
107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
/*
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* Copyright © 2006 Red Hat, Inc.
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* Copyright © 2011 Andrea Canciani
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Author: Carl D. Worth <cworth@cworth.org>
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* Andrea Canciani <ranma42@gmail.com>
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*/
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#include "cairo-test.h"
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static cairo_test_status_t
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get_glyph (const cairo_test_context_t *ctx,
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cairo_scaled_font_t *scaled_font,
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const char *utf8,
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cairo_glyph_t *glyph)
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{
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cairo_glyph_t *text_to_glyphs;
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cairo_status_t status;
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int i;
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text_to_glyphs = glyph;
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i = 1;
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status = cairo_scaled_font_text_to_glyphs (scaled_font,
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0, 0,
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utf8, -1,
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&text_to_glyphs, &i,
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NULL, NULL,
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0);
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if (status != CAIRO_STATUS_SUCCESS)
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return cairo_test_status_from_status (ctx, status);
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if (text_to_glyphs != glyph) {
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*glyph = text_to_glyphs[0];
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cairo_glyph_free (text_to_glyphs);
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}
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return CAIRO_TEST_SUCCESS;
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}
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static const char *characters[] = { "A", "B", "C", "D" };
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#define NUM_CHARS ARRAY_LENGTH (characters)
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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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const cairo_test_context_t *ctx = cairo_test_get_context (cr);
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cairo_scaled_font_t *scaled_font;
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cairo_glyph_t *glyphs = xmalloc (NUM_CHARS * sizeof (cairo_glyph_t));
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int i;
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cairo_status_t status;
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/* Paint white background. */
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cairo_set_source_rgb (cr, 1, 1, 1);
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cairo_paint (cr);
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scaled_font = cairo_get_scaled_font (cr);
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for (i = 0; i < NUM_CHARS; i++) {
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status = get_glyph (ctx, scaled_font, characters[i], &glyphs[i]);
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if (status)
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goto BAIL;
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glyphs[i].x = 10.0 + 10.0 * (i % 2);
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glyphs[i].y = 20.0 + 10.0 * (i / 2);
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}
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cairo_set_source_rgb (cr, 0, 0, 0);
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cairo_show_glyphs (cr, glyphs, 4);
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cairo_translate (cr, 40., 20.);
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cairo_rotate (cr, M_PI / 4.);
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cairo_show_glyphs (cr, glyphs, NUM_CHARS);
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BAIL:
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free(glyphs);
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return status;
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}
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CAIRO_TEST (show_glyphs_advance,
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"Test that glyph advances work as expected along both axes",
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"text, matrix", /* keywords */
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NULL, /* requirements */
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64, 64,
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NULL, draw)
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