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1237eedff3
The text perf-case tries to fill the region with a single text string, but fails to detect when the current point does not advance due to an error. This causes the perf-case to enter an infinite loop, so we break out when the cairo_status() has been set.
61 lines
2 KiB
C
61 lines
2 KiB
C
/*
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* Copyright © 2006 Red Hat, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of
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* Red Hat, Inc. not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. Red Hat, Inc. makes no representations about the
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* suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
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* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
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* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Carl D. Worth <cworth@cworth.org>
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*/
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#include "cairo-perf.h"
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static cairo_perf_ticks_t
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do_text (cairo_t *cr, int width, int height)
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{
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const char text[] = "the jay, pig, fox, zebra and my wolves quack";
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int len = strlen (text);
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double x, y;
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int i = 0;
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cairo_perf_timer_start ();
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cairo_set_font_size (cr, 9);
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do {
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cairo_move_to (cr, 0, i * 10);
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cairo_show_text (cr, text + i);
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cairo_get_current_point (cr, &x, &y);
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while (x < width && cairo_status (cr) == CAIRO_STATUS_SUCCESS) {
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cairo_show_text (cr, text);
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cairo_get_current_point (cr, &x, &y);
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}
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i++;
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if (i >= len)
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i = 0;
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} while (y < height && cairo_status (cr) == CAIRO_STATUS_SUCCESS);
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cairo_perf_timer_stop ();
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return cairo_perf_timer_elapsed ();
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}
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void
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text (cairo_perf_t *perf, cairo_t *cr, int width, int height)
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{
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cairo_perf_cover_sources_and_operators (perf, "text", do_text);
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}
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