diff options
Diffstat (limited to 'libs/cairo-1.16.0/test/glyph-cache-pressure.c')
| -rw-r--r-- | libs/cairo-1.16.0/test/glyph-cache-pressure.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/libs/cairo-1.16.0/test/glyph-cache-pressure.c b/libs/cairo-1.16.0/test/glyph-cache-pressure.c deleted file mode 100644 index eb4f7c5..0000000 --- a/libs/cairo-1.16.0/test/glyph-cache-pressure.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Copyright © 2005 Red Hat, Inc. - * - * 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. - * - * RED HAT, INC. 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: Carl D. Worth <cworth@cworth.org> - */ - -#include "cairo-test.h" -#include "cairo-boilerplate-scaled-font.h" - -#define TEXT_SIZE 12 - -/* Bug history - * - * 2006-06-22 Carl Worth <cworth@cworth.org> - * - * This is a test case to demonstrate the following bug in the xlib backend: - * - * Some characters aren't displayed when using xlib (cache usage missing freeze/thaw) - * https://bugs.freedesktop.org/show_bug.cgi?id=6955 - * - * We replicate this bug by using the cairo_scaled_font_set_max_glyphs_per_font - * function to artificially induce cache pressure. (This function was added - * for this very purpose.) - * - * 2006-06-22 Carl Worth <cworth@cworth.org> - * - * Bug was simple enough to solve by just adding a freeze/thaw pair - * around the scaled_font's glyph cache in - * _cairo_xlib_surface_show_glyphs, (I went ahead and added - * _cairo_sacled_font_freeze/thaw_cache functions for this). - */ - -static cairo_test_status_t -draw (cairo_t *cr, int width, int height) -{ - /* 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, TEXT_SIZE); - - cairo_set_source_rgb (cr, 0, 0, 0); /* black */ - - cairo_boilerplate_scaled_font_set_max_glyphs_cached (cairo_get_scaled_font (cr), 1); - - cairo_move_to (cr, 1, TEXT_SIZE); - cairo_show_text (cr, "the five boxing wizards jump quickly"); - - return CAIRO_TEST_SUCCESS; -} - -CAIRO_TEST (glyph_cache_pressure, - "Ensure that all backends behave well under artificial glyph cache pressure", - "stress", /* keywords */ - NULL, /* requirements */ - 223, TEXT_SIZE + 4, - NULL, draw) |