cairo/perf/text.c

/*
 * Copyright © 2006 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-perf.h"

static cairo_perf_ticks_t
do_text (cairo_t *cr, int width, int height)
{
    const char text[] = "the jay, pig, fox, zebra and my wolves quack";
    int len = strlen (text);
    double x, y;
    int i = 0;

    cairo_perf_timer_start ();

    cairo_set_font_size (cr, 9);
    do {
	cairo_move_to (cr, 0, i * 10);
	cairo_show_text (cr, text + i);
	cairo_get_current_point (cr, &x, &y);
	while (x < width) {
	    cairo_show_text (cr, text);
	    cairo_get_current_point (cr, &x, &y);
	}
	i++;
	if (i >= len)
	    i = 0;
    } while (y < height);

    cairo_perf_timer_stop ();

    return cairo_perf_timer_elapsed ();
}

void
text (cairo_perf_t *perf, cairo_t *cr, int width, int height)
{
    cairo_perf_cover_sources_and_operators (perf, "text", do_text);
}