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/*
* 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 <stdio.h>
#include <cairo.h>
#if CAIRO_HAS_PS_SURFACE
#include <cairo-ps.h>
#endif
#if CAIRO_HAS_PDF_SURFACE
#include <cairo-pdf.h>
#endif
/* The PostScript and PDF backends are now integrated into the main
* test suite, so we are getting good verification of most things
* there.
*
* One thing that isn't supported there yet is multi-page output. So,
* for now we have this one-off test. There's no automatic
* verififcation here yet, but you can manually view the output to
* make sure it looks happy.
*/
#define WIDTH_IN_INCHES 3
#define HEIGHT_IN_INCHES 3
#define WIDTH_IN_POINTS (WIDTH_IN_INCHES * 72.0)
#define HEIGHT_IN_POINTS (HEIGHT_IN_INCHES * 72.0)
#define BASENAME "multi-page.out"
static void
draw_smiley (cairo_t *cr, double width, double height, double smile_ratio)
{
#define STROKE_WIDTH .04
double size;
double theta = M_PI / 4 * smile_ratio;
double dx = sqrt (0.005) * cos (theta);
double dy = sqrt (0.005) * sin (theta);
cairo_save (cr);
if (width > height)
size = height;
else
size = width;
cairo_translate (cr, (width - size) / 2.0, (height - size) / 2.0);
cairo_scale (cr, size, size);
/* Fill face */
cairo_arc (cr, 0.5, 0.5, 0.5 - STROKE_WIDTH, 0, 2 * M_PI);
cairo_set_source_rgb (cr, 1, 1, 0);
cairo_fill_preserve (cr);
cairo_set_source_rgb (cr, 0, 0, 0);
/* Stroke face */
cairo_set_line_width (cr, STROKE_WIDTH / 2.0);
cairo_stroke (cr);
/* Eyes */
cairo_set_line_width (cr, STROKE_WIDTH);
cairo_arc (cr, 0.3, 0.4, STROKE_WIDTH, 0, 2 * M_PI);
cairo_fill (cr);
cairo_arc (cr, 0.7, 0.4, STROKE_WIDTH, 0, 2 * M_PI);
cairo_fill (cr);
/* Mouth */
cairo_move_to (cr,
0.35 - dx, 0.75 - dy);
cairo_curve_to (cr,
0.35 + dx, 0.75 + dy,
0.65 - dx, 0.75 + dy,
0.65 + dx, 0.75 - dy);
cairo_stroke (cr);
cairo_restore (cr);
}
static void
draw_some_pages (cairo_surface_t *surface)
{
cairo_t *cr;
int i;
cr = cairo_create (surface);
#define NUM_FRAMES 5
for (i=0; i < NUM_FRAMES; i++) {
draw_smiley (cr, WIDTH_IN_POINTS, HEIGHT_IN_POINTS,
(double) i / (NUM_FRAMES - 1));
/* Duplicate the last frame onto another page. (This is just a
* way to sneak cairo_copy_page into the test).
*/
if (i == (NUM_FRAMES - 1))
cairo_copy_page (cr);
cairo_show_page (cr);
}
cairo_destroy (cr);
}
static cairo_test_status_t
preamble (cairo_test_context_t *ctx)
{
cairo_surface_t *surface;
cairo_status_t status;
char *filename;
cairo_test_status_t result = CAIRO_TEST_UNTESTED;
const char *path = cairo_test_mkdir (CAIRO_TEST_OUTPUT_DIR) ? CAIRO_TEST_OUTPUT_DIR : ".";
#if CAIRO_HAS_PS_SURFACE
if (cairo_test_is_target_enabled (ctx, "ps2") ||
cairo_test_is_target_enabled (ctx, "ps3"))
{
if (result == CAIRO_TEST_UNTESTED)
result = CAIRO_TEST_SUCCESS;
xasprintf (&filename, "%s/%s", path, BASENAME ".ps");
surface = cairo_ps_surface_create (filename,
WIDTH_IN_POINTS, HEIGHT_IN_POINTS);
status = cairo_surface_status (surface);
if (status) {
cairo_test_log (ctx, "Failed to create ps surface for file %s: %s\n",
filename, cairo_status_to_string (status));
result = CAIRO_TEST_FAILURE;
}
draw_some_pages (surface);
cairo_surface_destroy (surface);
printf ("multi-page: Please check %s to ensure it looks happy.\n", filename);
free (filename);
}
#endif
#if CAIRO_HAS_PDF_SURFACE
if (cairo_test_is_target_enabled (ctx, "pdf")) {
if (result == CAIRO_TEST_UNTESTED)
result = CAIRO_TEST_SUCCESS;
xasprintf (&filename, "%s/%s", path, BASENAME ".pdf");
surface = cairo_pdf_surface_create (filename,
WIDTH_IN_POINTS, HEIGHT_IN_POINTS);
status = cairo_surface_status (surface);
if (status) {
cairo_test_log (ctx, "Failed to create pdf surface for file %s: %s\n",
filename, cairo_status_to_string (status));
result = CAIRO_TEST_FAILURE;
}
draw_some_pages (surface);
cairo_surface_destroy (surface);
printf ("multi-page: Please check %s to ensure it looks happy.\n", filename);
free (filename);
}
#endif
return result;
}
CAIRO_TEST (multi_page,
"Check the paginated surfaces handle multiple pages.",
"paginated", /* keywords */
"target=vector", /* requirements */
0, 0,
preamble, NULL)
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