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Diffstat (limited to 'test/text-glyph-range.c')
| -rw-r--r-- | test/text-glyph-range.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/test/text-glyph-range.c b/test/text-glyph-range.c deleted file mode 100644 index 75b87d63a..000000000 --- a/test/text-glyph-range.c +++ /dev/null @@ -1,125 +0,0 @@ -/* -*- Mode: c; c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t; -*- */ -/* cairo - a vector graphics library with display and print output - * - * Copyright © 2006 Brian Ewins. - * - * 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 - * Brian Ewins not be used in advertising or publicity pertaining to - * distribution of the software without specific, written prior - * permission. Brian Ewins makes no representations about the - * suitability of this software for any purpose. It is provided "as - * is" without express or implied warranty. - * - * BRIAN EWINS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL BRIAN EWINS 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: Brian Ewins <Brian.Ewins@gmail.com> - */ - -/* Related to bug 9530 - * - * cairo_glyph_t can contain any unsigned long in its 'index', the intention - * being that it is large enough to hold a pointer. However, this means that - * it can specify many glyph indexes which don't exist in the font, and may - * exceed the range of legal glyph indexes for the font backend. It may - * also contain special values that are not usable as indexes - e.g. 0xffff is - * kATSDeletedGlyphcode in ATSUI, a glyph that should not be drawn. - * The font backends should handle all legal and out-of-range values - * consistently. - * - * This test expects that operations on out-of-range and missing glyphs should - * act as if they were zero-width. - */ - -#include "cairo-test.h" - -#define WIDTH 100 -#define HEIGHT 75 -#define NUM_TEXT 20 -#define TEXT_SIZE 12 - -static cairo_test_status_t -draw (cairo_t *cr, int width, int height) -{ - cairo_text_extents_t extents; - int i; - /* Glyphs with no paths followed by 'cairo', the additional - * text is to make the space obvious. - */ - long int index[] = { - 0, /* 'no matching glyph' */ - 0xffff, /* kATSDeletedGlyphCode */ - 0x1ffff, /* out of range */ - -1L, /* out of range */ - 70, 68, 76, 85, 82 /* 'cairo' */ - }; - - /* 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, 16); - - for (i = 0; i < 9; i++) { - /* since we're just drawing glyphs directly we need to position them. */ - cairo_glyph_t glyph = { - index[i], 10 * i, 25 - }; - - /* test cairo_glyph_extents. Every glyph index should - * have extents, invalid glyphs should be zero-width. - */ - cairo_move_to (cr, glyph.x, glyph.y); - cairo_set_line_width (cr, 1.0); - cairo_glyph_extents (cr, &glyph, 1, &extents); - cairo_rectangle (cr, - glyph.x + extents.x_bearing - 0.5, - glyph.y + extents.y_bearing - 0.5, - extents.width + 1, - extents.height + 1); - cairo_set_source_rgb (cr, 1, 0, 0); /* red */ - cairo_stroke (cr); - - /* test cairo_show_glyphs. Every glyph index should be - * drawable, invalid glyph indexes should draw nothing. - */ - cairo_set_source_rgb (cr, 0, 0, 0); /* black */ - cairo_show_glyphs (cr, &glyph, 1); - cairo_move_to (cr, glyph.x, glyph.y); - - /* test cairo_glyph_path. Every glyph index should produce - * a path, invalid glyph indexes should have empty paths. - */ - /* Change the glyph position - * so that the paths are visible. - */ - glyph.y = 55; - cairo_move_to (cr, glyph.x, glyph.y); - cairo_glyph_path (cr, &glyph, 1); - cairo_fill (cr); - } - - return CAIRO_TEST_SUCCESS; -} - -CAIRO_TEST (text_glyph_range, - "Tests show_glyphs, glyph_path, glyph_extents with out of range glyph ids." - "\nft and atsui font backends fail, misreporting errors from FT_Load_Glyph and ATSUGlyphGetCubicPaths", - "text, stress", /* keywords */ - NULL, /* requirements */ - WIDTH, HEIGHT, - NULL, draw) |