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3cb882d01b
In order to make it easier to change the test font family, add it as a define in the global header and always reference the macro in the tests.
109 lines
3.8 KiB
C
109 lines
3.8 KiB
C
/*
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* Copyright © 2008 Red Hat, Inc.
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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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* Authors: Eugeniy Meshcheryakov <eugen@debian.org>
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* Adrian Johnson <ajohnson@redneon.com>
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* Carl Worth <cworth@cworth.org>
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*/
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#include "cairo-test.h"
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#include <cairo-ft.h>
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#define TEXT_SIZE 20
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#define PAD 10
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#define GRID_SIZE 30
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#define GRID_ROWS 10
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#define GRID_COLS 4
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#define NUM_GLYPHS (GRID_ROWS * GRID_COLS)
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#define WIDTH (PAD + GRID_COLS * GRID_SIZE + PAD)
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#define HEIGHT (PAD + GRID_ROWS * GRID_SIZE + PAD)
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/* This test was originally inspired by this bug report:
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*
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* Error when creating pdf charts for new FreeSerifItalic.ttf
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* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=%23474136
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*
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* The original assertion failure was fairly boring, but the later
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* glyph mispositiing was quite interesting. And it turns out that the
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* _cairo_pdf_operators_show_glyphs code is fairly convoluted with a
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* code path that wasn't being exercised at all by the test suite.
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*
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* So this is an attempt to exercise that code path. Apparently laying
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* glyphs out vertically in a table like this, (so that there's a
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* large change in Y position from one glyph to the next), exercises
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* the code well.
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*/
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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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cairo_font_options_t *font_options;
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cairo_scaled_font_t *scaled_font;
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FT_Face face;
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FT_ULong charcode;
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FT_UInt idx;
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int i = 0;
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cairo_glyph_t glyphs[NUM_GLYPHS];
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/* paint white so we don't need separate ref images for
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* RGB24 and ARGB32 */
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cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
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cairo_paint (cr);
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cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans",
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CAIRO_FONT_SLANT_NORMAL,
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CAIRO_FONT_WEIGHT_NORMAL);
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cairo_set_font_size (cr, TEXT_SIZE);
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font_options = cairo_font_options_create ();
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cairo_get_font_options (cr, font_options);
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cairo_font_options_set_hint_metrics (font_options, CAIRO_HINT_METRICS_OFF);
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cairo_set_font_options (cr, font_options);
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cairo_font_options_destroy (font_options);
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cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
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scaled_font = cairo_get_scaled_font (cr);
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face = cairo_ft_scaled_font_lock_face (scaled_font);
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{
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charcode = FT_Get_First_Char(face, &idx);
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while (idx && (i < NUM_GLYPHS)) {
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glyphs[i] = (cairo_glyph_t) {idx, PAD + GRID_SIZE * (i/GRID_ROWS), PAD + TEXT_SIZE + GRID_SIZE * (i%GRID_ROWS)};
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i++;
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charcode = FT_Get_Next_Char(face, charcode, &idx);
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}
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}
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cairo_ft_scaled_font_unlock_face (scaled_font);
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cairo_show_glyphs(cr, glyphs, i);
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return CAIRO_TEST_SUCCESS;
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}
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CAIRO_TEST (ft_show_glyphs_table,
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"Test cairo_show_glyphs with cairo-ft backend and glyphs laid out in a table",
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"ft, text", /* keywords */
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NULL, /* requirements */
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WIDTH, HEIGHT,
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NULL, draw)
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