Add pdf mime data test

To test that images in PDF files correctly embedded the mime data.

test/Makefile.am

@@ -217,6 +217,7 @@ endif
 
 if CAIRO_HAS_PDF_SURFACE
 test_sources += pdf-features.c
+test_sources += pdf-mime-data.c
 test_sources += pdf-surface-source.c
 endif
 
@@ -999,6 +1000,7 @@ REFERENCE_IMAGES = \
 EXTRA_DIST +=		\
 6x13.pcf		\
 make-html.pl		\
+romedalen.jpg		\
 romedalen.png		\
 romedalen.jpg		\
 surface-source.c	\

test/pdf-mime-data.c

@@ -0,0 +1,151 @@
+/*
+ * Copyright © 2008 Adrian Johnson
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Author: Adrian Johnson <ajohnson@redneon.com>
+ */
+
+#include <stdio.h>
+#include <cairo.h>
+#include <cairo-pdf.h>
+
+#include "cairo-test.h"
+
+/* This test checks that the mime data is correctly used by the PDF
+ * surface when embedding images..
+ */
+
+/* Both a *.png and *.jpg file with this name is required since we
+ * are not using a jpeg library */
+#define IMAGE_FILE "romedalen"
+
+
+static cairo_test_status_t
+read_file (const char *file, unsigned char **data, unsigned int *len)
+{
+    FILE *fp;
+
+    fp = fopen (file, "rb");
+    if (fp == NULL)
+	return CAIRO_TEST_FAILURE;
+
+    fseek (fp, 0, SEEK_END);
+    *len = ftell(fp);
+    fseek (fp, 0, SEEK_SET);
+    *data = malloc (*len);
+    if (*data == NULL)
+	return CAIRO_TEST_NO_MEMORY;
+
+    if (fread(*data, *len, 1, fp) != 1)
+	return CAIRO_TEST_FAILURE;
+
+    fclose(fp);
+    return CAIRO_TEST_SUCCESS;
+}
+
+static cairo_test_status_t
+preamble (cairo_test_context_t *ctx)
+{
+    const char *filename = "pdf-mime-data-out.pdf";
+    cairo_surface_t *image;
+    cairo_surface_t *surface;
+    cairo_t *cr;
+    cairo_status_t status, status2;
+    cairo_test_status_t test_status;
+    int width, height;
+    unsigned char *data;
+    unsigned char *out_data;
+    unsigned int len, out_len;
+    char command[4096];
+    int exit_status;
+
+    if (! cairo_test_is_target_enabled (ctx, "pdf"))
+	return CAIRO_TEST_UNTESTED;
+
+    image = cairo_image_surface_create_from_png (IMAGE_FILE ".png");
+    test_status = read_file (IMAGE_FILE ".jpg", &data, &len);
+    if (test_status) {
+	cairo_test_log (ctx, "Could not read input jpeg file %s\n", IMAGE_FILE ".jpg");
+	return test_status;
+    }
+
+    cairo_surface_set_mime_data (image, CAIRO_MIME_TYPE_JPEG, data, len, free);
+    width = cairo_image_surface_get_width (image);
+    height = cairo_image_surface_get_height (image);
+
+    surface = cairo_pdf_surface_create (filename, width + 20, height + 20);
+    cr = cairo_create (surface);
+    cairo_translate (cr, 10, 10);
+    cairo_set_source_surface (cr, image, 0, 0);
+    cairo_paint (cr);
+    status = cairo_status (cr);
+    cairo_destroy (cr);
+    cairo_surface_finish (surface);
+    status2 = cairo_surface_status (surface);
+    if (status != CAIRO_STATUS_SUCCESS)
+	status = status2;
+    cairo_surface_destroy (surface);
+    cairo_surface_destroy (image);
+
+    if (status) {
+	cairo_test_log (ctx, "Failed to create pdf surface for file %s: %s\n",
+			filename, cairo_status_to_string (status));
+	return CAIRO_TEST_FAILURE;
+    }
+
+    printf ("pdf-mime-data: Please check %s to ensure it looks/prints correctly.\n", filename);
+
+    sprintf (command, "pdfimages -j %s pdf-mime-data-out", filename);
+    exit_status = system (command);
+    if (exit_status) {
+	cairo_test_log (ctx, "pdfimages failed with exit status %d\n", exit_status);
+	return CAIRO_TEST_FAILURE;
+    }
+
+    test_status = read_file (IMAGE_FILE ".jpg", &data, &len);
+    if (test_status) {
+	cairo_test_log (ctx, "Could not read input jpeg file %s\n", IMAGE_FILE ".jpg");
+	return test_status;
+    }
+
+    test_status = read_file ("pdf-mime-data-out-000.jpg", &out_data, &out_len);
+    if (test_status) {
+	cairo_test_log (ctx, "Could not read input jpeg file %s\n", "pdf-mime-data-out-000.jpg");
+	return test_status;
+    }
+
+    if (len != out_len || memcmp(data, out_data, len) != 0) {
+	cairo_test_log (ctx, "output mime data does not match source mime data\n");
+	return CAIRO_TEST_FAILURE;
+    }
+    free (data);
+    free (out_data);
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (pdf_mime_data,
+	    "Check mime data correctly used by PDF surface",
+	    "pdf", /* keywords */
+	    NULL, /* requirements */
+	    0, 0,
+	    preamble, NULL)