/* * 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 * Adrian Johnson * Chris Wilson */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include #ifdef HAVE_UNISTD_H #include #include #endif #if HAVE_SYS_STAT_H #include #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)