cairo/test/fallback-resolution.c

84 lines
2.5 KiB
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 <stdio.h>
#include <cairo.h>
#include <cairo-pdf.h>
#include <cairo-pdf-test.h>
#include "cairo-test.h"
/* This test exists to test cairo_surface_set_fallback_resolution
*/
#define INCHES_TO_POINTS(in) ((in) * 72.0)
#define SIZE INCHES_TO_POINTS(1)
int
main (void)
{
cairo_surface_t *surface;
cairo_t *cr;
cairo_status_t status;
char *filename;
double dpi[] = { 37.5, 75., 150., 300., 600. };
int i;
printf("\n");
filename = "fallback-resolution.pdf";
surface = cairo_pdf_surface_create (filename, SIZE, SIZE);
cr = cairo_create (surface);
/* Force image fallbacks before drawing anything. */
cairo_pdf_test_force_fallbacks ();
for (i = 0; i < sizeof(dpi) / sizeof (dpi[0]); i++) {
cairo_pdf_surface_set_dpi (surface, dpi[i], dpi[i]);
cairo_arc (cr, SIZE / 2.0, SIZE / 2.0,
0.75 * SIZE / 2.0,
0, 2.0 * M_PI);
cairo_fill (cr);
cairo_show_page (cr);
}
status = cairo_status (cr);
cairo_destroy (cr);
cairo_surface_destroy (surface);
if (status) {
cairo_test_log ("Failed to create pdf surface for file %s: %s\n",
filename, cairo_status_to_string (status));
return CAIRO_TEST_FAILURE;
}
printf ("fallback-resolution: Please check %s to ensure it looks correct.\n", filename);
return CAIRO_TEST_SUCCESS;
}