summaryrefslogtreecommitdiff
path: root/libs/cairo-1.16.0/test/ps-eps.c
diff options
context:
space:
mode:
Diffstat (limited to 'libs/cairo-1.16.0/test/ps-eps.c')
-rw-r--r--libs/cairo-1.16.0/test/ps-eps.c354
1 files changed, 354 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/ps-eps.c b/libs/cairo-1.16.0/test/ps-eps.c
new file mode 100644
index 0000000..de1248d
--- /dev/null
+++ b/libs/cairo-1.16.0/test/ps-eps.c
@@ -0,0 +1,354 @@
+/*
+ * Copyright © 2006 Red Hat, Inc.
+ * Copyright © 2009 Adrian Johnson
+ * Copyright © 2008 Chris Wilson
+ *
+ * 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>
+ * Adrian Johnson <ajohnson@redneon.com>
+ * Chris Wilson <chris@chris-wilson.co.uk>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <cairo.h>
+#include <cairo-ps.h>
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#include <errno.h>
+#endif
+#if HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+
+#include "cairo-test.h"
+#include "buffer-diff.h"
+
+/* Test EPS output.
+ */
+
+#define WIDTH 595
+#define HEIGHT 842
+
+/* Reference Bounding Box */
+#define LLX 95
+#define LLY 687
+#define URX 155
+#define URY 747
+
+static void
+_xunlink (const cairo_test_context_t *ctx, const char *pathname)
+{
+ if (unlink (pathname) < 0 && errno != ENOENT) {
+ cairo_test_log (ctx, "Error: Cannot remove %s: %s\n",
+ pathname, strerror (errno));
+ exit (1);
+ }
+}
+
+static cairo_bool_t
+check_result (cairo_test_context_t *ctx,
+ const cairo_boilerplate_target_t *target,
+ const char *test_name,
+ const char *base_name,
+ cairo_surface_t *surface)
+{
+ const char *format;
+ char *ref_name;
+ char *png_name;
+ char *diff_name;
+ cairo_surface_t *test_image, *ref_image, *diff_image;
+ buffer_diff_result_t result;
+ cairo_status_t status;
+ cairo_bool_t ret;
+
+ /* XXX log target, OUTPUT, REFERENCE, DIFFERENCE for index.html */
+
+ if (target->finish_surface != NULL) {
+ status = target->finish_surface (surface);
+ if (status) {
+ cairo_test_log (ctx, "Error: Failed to finish surface: %s\n",
+ cairo_status_to_string (status));
+ cairo_surface_destroy (surface);
+ return FALSE;
+ }
+ }
+
+ xasprintf (&png_name, "%s.out.png", base_name);
+ xasprintf (&diff_name, "%s.diff.png", base_name);
+
+ test_image = target->get_image_surface (surface, 0, WIDTH, HEIGHT);
+ if (cairo_surface_status (test_image)) {
+ cairo_test_log (ctx, "Error: Failed to extract page: %s\n",
+ cairo_status_to_string (cairo_surface_status (test_image)));
+ cairo_surface_destroy (test_image);
+ free (png_name);
+ free (diff_name);
+ return FALSE;
+ }
+
+ _xunlink (ctx, png_name);
+ status = cairo_surface_write_to_png (test_image, png_name);
+ if (status) {
+ cairo_test_log (ctx, "Error: Failed to write output image: %s\n",
+ cairo_status_to_string (status));
+ cairo_surface_destroy (test_image);
+ free (png_name);
+ free (diff_name);
+ return FALSE;
+ }
+
+ format = cairo_boilerplate_content_name (target->content);
+ ref_name = cairo_test_reference_filename (ctx,
+ base_name,
+ test_name,
+ target->name,
+ target->basename,
+ format,
+ CAIRO_TEST_REF_SUFFIX,
+ CAIRO_TEST_PNG_EXTENSION);
+ if (ref_name == NULL) {
+ cairo_test_log (ctx, "Error: Cannot find reference image for %s\n",
+ base_name);
+ cairo_surface_destroy (test_image);
+ free (png_name);
+ free (diff_name);
+ return FALSE;
+ }
+
+ ref_image = cairo_test_get_reference_image (ctx, ref_name,
+ target->content == CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED);
+ if (cairo_surface_status (ref_image)) {
+ cairo_test_log (ctx, "Error: Cannot open reference image for %s: %s\n",
+ ref_name,
+ cairo_status_to_string (cairo_surface_status (ref_image)));
+ cairo_surface_destroy (ref_image);
+ cairo_surface_destroy (test_image);
+ free (png_name);
+ free (diff_name);
+ free (ref_name);
+ return FALSE;
+ }
+
+ diff_image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
+ WIDTH, HEIGHT);
+
+ ret = TRUE;
+ status = image_diff (ctx,
+ test_image, ref_image, diff_image,
+ &result);
+ _xunlink (ctx, diff_name);
+ if (status) {
+ cairo_test_log (ctx, "Error: Failed to compare images: %s\n",
+ cairo_status_to_string (status));
+ ret = FALSE;
+ } else if (image_diff_is_failure (&result, target->error_tolerance))
+ {
+ ret = FALSE;
+
+ status = cairo_surface_write_to_png (diff_image, diff_name);
+ if (status) {
+ cairo_test_log (ctx, "Error: Failed to write differences image: %s\n",
+ cairo_status_to_string (status));
+ }
+ }
+
+ cairo_surface_destroy (test_image);
+ cairo_surface_destroy (diff_image);
+ free (png_name);
+ free (diff_name);
+ free (ref_name);
+
+ return ret;
+}
+
+
+#define DOCUMENT_BBOX "%%BoundingBox:"
+#define PAGE_BBOX "%%PageBoundingBox:"
+
+static cairo_bool_t
+check_bbox (cairo_test_context_t *ctx,
+ const char *base_name)
+{
+ char *filename;
+ FILE *f;
+ char buf[256];
+ cairo_bool_t bbox_pass, page_bbox_pass;
+ int llx, lly, urx, ury;
+ int ret;
+
+ xasprintf (&filename, "%s.out.ps", base_name);
+ f = fopen (filename, "r");
+ if (!f) {
+ cairo_test_log (ctx, "Error: Cannot open EPS output: %s\n",
+ base_name);
+ free (filename);
+ return FALSE;
+ }
+
+ bbox_pass = FALSE;
+ page_bbox_pass = FALSE;
+ while (!feof(f)) {
+ if (fgets (buf, sizeof(buf), f) == (char *)EOF) {
+ cairo_test_log (ctx, "Error: Unexpected EOF in %s\n",
+ filename);
+ break;
+ }
+
+ if (strncmp (buf, DOCUMENT_BBOX, strlen (DOCUMENT_BBOX)) == 0) {
+ ret = sscanf (buf+strlen (DOCUMENT_BBOX), "%d %d %d %d", &llx, &lly, &urx, &ury);
+ if (ret == 4 && llx == LLX && lly == LLY && urx == URX && ury == URY)
+ bbox_pass = TRUE;
+ }
+
+ if (strncmp (buf, PAGE_BBOX, strlen (PAGE_BBOX)) == 0) {
+ ret = sscanf (buf+strlen (PAGE_BBOX), "%d %d %d %d", &llx, &lly, &urx, &ury);
+ if (ret == 4 && llx == LLX && lly == LLY && urx == URX && ury == URY)
+ page_bbox_pass = TRUE;
+ }
+ }
+ fclose (f);
+
+ if (!bbox_pass || !page_bbox_pass) {
+ cairo_test_log (ctx, "Error: EPS Bounding Box does not match reference Bounding Box\n");
+ return FALSE;
+ }
+
+ free (filename);
+
+ return TRUE;
+}
+
+static cairo_test_status_t
+preamble (cairo_test_context_t *ctx)
+{
+ cairo_t *cr;
+ cairo_test_status_t ret = CAIRO_TEST_UNTESTED;
+ unsigned int i;
+ const char *path = cairo_test_mkdir (CAIRO_TEST_OUTPUT_DIR) ? CAIRO_TEST_OUTPUT_DIR : ".";
+
+ for (i = 0; i < ctx->num_targets; i++) {
+ const cairo_boilerplate_target_t *target = ctx->targets_to_test[i];
+ cairo_surface_t *surface = NULL;
+ char *base_name;
+ void *closure;
+ const char *format;
+ cairo_status_t status;
+ cairo_bool_t pass;
+ char *test_name;
+
+ if (! cairo_test_is_target_enabled (ctx, target->name))
+ continue;
+
+ format = cairo_boilerplate_content_name (target->content);
+ xasprintf (&test_name, "ps-eps");
+ xasprintf (&base_name, "%s/ps-eps.%s.%s",
+ path, target->name, format);
+
+ surface = (target->create_surface) (base_name,
+ target->content,
+ WIDTH, HEIGHT,
+ WIDTH, HEIGHT,
+ CAIRO_BOILERPLATE_MODE_TEST,
+ &closure);
+
+ if (surface == NULL) {
+ free (base_name);
+ free (test_name);
+ continue;
+ }
+
+ cairo_ps_surface_set_eps (surface, TRUE);
+ if (!cairo_ps_surface_get_eps (surface)) {
+ cairo_surface_destroy (surface);
+ if (target->cleanup)
+ target->cleanup (closure);
+
+ free (base_name);
+ free (test_name);
+ continue;
+ }
+
+ cairo_test_log (ctx,
+ "Testing ps-eps with %s target\n",
+ target->name);
+ printf ("%s:\t", base_name);
+ fflush (stdout);
+
+ cairo_surface_set_device_offset (surface, 25, 25);
+ cr = cairo_create (surface);
+
+ cairo_new_sub_path (cr);
+ cairo_arc (cr, 100, 100, 25, 0, 2*M_PI);
+ cairo_set_line_width (cr, 10);
+ cairo_stroke (cr);
+
+ cairo_show_page (cr);
+
+ status = cairo_status (cr);
+ cairo_destroy (cr);
+
+ if (status) {
+ cairo_test_log (ctx, "Error: Failed to create target surface: %s\n",
+ cairo_status_to_string (status));
+ pass = FALSE;
+ } else {
+ pass = TRUE;
+ /* extract the image and compare it to our reference */
+ if (! check_result (ctx, target, test_name, base_name, surface))
+ pass = FALSE;
+
+ /* check the bounding box of the EPS file and compare it to our reference */
+ if (! check_bbox (ctx, base_name))
+ pass = FALSE;
+ }
+ cairo_surface_destroy (surface);
+ if (target->cleanup)
+ target->cleanup (closure);
+
+ free (base_name);
+ free (test_name);
+
+ if (pass) {
+ printf ("PASS\n");
+ ret = CAIRO_TEST_SUCCESS;
+ } else {
+ printf ("FAIL\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+ fflush (stdout);
+ }
+
+ return ret;
+}
+
+CAIRO_TEST (ps_eps,
+ "Check EPS output from PS surface",
+ "ps, api", /* keywords */
+ NULL, /* requirements */
+ 0, 0,
+ preamble, NULL)
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 07:25:08 +0000