diff --git a/test/.gitignore b/test/.gitignore index 65f9a77da..8fddf6022 100644 --- a/test/.gitignore +++ b/test/.gitignore @@ -92,6 +92,7 @@ infinite-join in-fill-empty-trapezoid in-fill-trapezoid invalid-matrix +large-font large-source leaky-dash leaky-dashed-rectangle diff --git a/test/Makefile.am b/test/Makefile.am index 2b8e1567a..f444ff38f 100644 --- a/test/Makefile.am +++ b/test/Makefile.am @@ -71,6 +71,7 @@ infinite-join$(EXEEXT) \ in-fill-empty-trapezoid$(EXEEXT) \ in-fill-trapezoid$(EXEEXT) \ invalid-matrix$(EXEEXT) \ +large-font$(EXEEXT) \ large-source$(EXEEXT) \ leaky-dash$(EXEEXT) \ leaky-dashed-rectangle$(EXEEXT) \ @@ -441,6 +442,8 @@ REFERENCE_IMAGES = \ image-surface-source-ref.png \ infinite-join-ref.png \ infinite-join-ps-ref.png \ + large-font-ref.png \ + large-font-ps-ref.png \ large-source-ref.png \ leaky-dash-ps-argb32-ref.png \ leaky-dash-ps-rgb24-ref.png \ diff --git a/test/large-font-ps-ref.png b/test/large-font-ps-ref.png new file mode 100644 index 000000000..1dbd7cd62 Binary files /dev/null and b/test/large-font-ps-ref.png differ diff --git a/test/large-font-ref.png b/test/large-font-ref.png new file mode 100644 index 000000000..8a555f140 Binary files /dev/null and b/test/large-font-ref.png differ diff --git a/test/large-font.c b/test/large-font.c new file mode 100644 index 000000000..7554a3ee5 --- /dev/null +++ b/test/large-font.c @@ -0,0 +1,93 @@ +/* + * Copyright © 2008 Red Hat, Inc. + * + * 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: Carl D. Worth + */ + +/* Bug history: + * + * 2008-05-23: Caolan McNamara noticed a bug in OpenOffice.org where, + * when using a very large font, space would be left for a + * glyph but it would actually be rendered in the wrong + * place. He wrote a minimal test case and posted the bug + * here: + * + * corrupt glyph positions with large font + * https://bugzilla.redhat.com/show_bug.cgi?id=448104 + * + * 2008-05-23: Carl Worth wrote this test for the cairo test suite to + * exercise the bug.k + */ + +#include "cairo-test.h" + +#define WIDTH 400 +#define HEIGHT 200 +#define TEXT_SIZE 160 + +static cairo_test_draw_function_t draw; + +cairo_test_t test = { + "large-font", + "Draws a very large font to exercise a glyph-positioning bug", + WIDTH, HEIGHT, + draw +}; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_font_options_t *font_options; + + /* paint white so we don't need separate ref images for + * RGB24 and ARGB32 */ + cairo_set_source_rgb (cr, 1., 1., 1.); + cairo_paint (cr); + + cairo_select_font_face (cr, "Bitstream Vera Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, TEXT_SIZE); + + font_options = cairo_font_options_create (); + + cairo_get_font_options (cr, font_options); + cairo_font_options_set_hint_metrics (font_options, CAIRO_HINT_METRICS_OFF); + + cairo_set_font_options (cr, font_options); + cairo_font_options_destroy (font_options); + + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_set_font_size (cr, 160); + cairo_move_to (cr, 5, 160); + cairo_show_text (cr, "MoW"); + + return CAIRO_TEST_SUCCESS; +} + +int +main (void) +{ + return cairo_test (&test); +}