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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
#include "config.h"
#include <stdio.h>
#include <string.h>
#include <gtk/gtk.h>
#define ICC_PROFILE "/usr/share/color/icc/bluish.icc"
#define ICC_PROFILE_SIZE 3966
static gboolean
save_image_png (const gchar *filename, GdkPixbuf *pixbuf, GError **error)
{
gchar *contents = NULL;
gchar *contents_encode = NULL;
gsize length;
gboolean ret;
gint len;
/* get icc file */
ret = g_file_get_contents (ICC_PROFILE, &contents, &length, error);
if (!ret)
goto out;
contents_encode = g_base64_encode ((const guchar *) contents, length);
ret = gdk_pixbuf_save (pixbuf, filename, "png", error,
"tEXt::Software", "Hello my name is dave",
"icc-profile", contents_encode,
NULL);
len = strlen (contents_encode);
g_debug ("ICC profile was %i bytes", len);
out:
g_free (contents);
g_free (contents_encode);
return ret;
}
static gboolean
save_image_tiff (const gchar *filename, GdkPixbuf *pixbuf, GError **error)
{
gchar *contents = NULL;
gchar *contents_encode = NULL;
gsize length;
gboolean ret;
gint len;
/* get icc file */
ret = g_file_get_contents (ICC_PROFILE, &contents, &length, error);
if (!ret)
goto out;
contents_encode = g_base64_encode ((const guchar *) contents, length);
ret = gdk_pixbuf_save (pixbuf, filename, "tiff", error,
"icc-profile", contents_encode,
NULL);
len = strlen (contents_encode);
g_debug ("ICC profile was %i bytes", len);
out:
g_free (contents);
g_free (contents_encode);
return ret;
}
static gboolean
save_image_verify (const gchar *filename, GError **error)
{
gboolean ret = FALSE;
GdkPixbuf *pixbuf = NULL;
const gchar *option;
gchar *icc_profile = NULL;
gsize len = 0;
/* load */
pixbuf = gdk_pixbuf_new_from_file (filename, error);
if (pixbuf == NULL)
goto out;
/* check values */
option = gdk_pixbuf_get_option (pixbuf, "icc-profile");
if (option == NULL) {
*error = g_error_new (1, 0, "no profile set");
goto out;
}
/* decode base64 */
icc_profile = (gchar *) g_base64_decode (option, &len);
if (len != ICC_PROFILE_SIZE) {
*error = g_error_new (1, 0,
"profile length invalid, got %" G_GSIZE_FORMAT,
len);
g_file_set_contents ("error.icc", icc_profile, len, NULL);
goto out;
}
/* success */
ret = TRUE;
out:
if (pixbuf != NULL)
g_object_unref (pixbuf);
g_free (icc_profile);
return ret;
}
int
main (int argc, char **argv)
{
GdkWindow *root;
GdkPixbuf *pixbuf;
gboolean ret;
gint retval = 1;
GError *error = NULL;
gtk_init (&argc, &argv);
root = gdk_get_default_root_window ();
pixbuf = gdk_pixbuf_get_from_window (root,
0, 0, 150, 160);
/* PASS */
g_debug ("try to save PNG with a profile");
ret = save_image_png ("icc-profile.png", pixbuf, &error);
if (!ret) {
g_warning ("FAILED: did not save image: %s", error->message);
g_error_free (error);
goto out;
}
/* PASS */
g_debug ("try to save TIFF with a profile");
ret = save_image_tiff ("icc-profile.tiff", pixbuf, &error);
if (!ret) {
g_warning ("FAILED: did not save image: %s", error->message);
g_error_free (error);
goto out;
}
/* PASS */
g_debug ("try to load PNG and get color attributes");
ret = save_image_verify ("icc-profile.png", &error);
if (!ret) {
g_warning ("FAILED: did not load image: %s", error->message);
g_error_free (error);
goto out;
}
/* PASS */
g_debug ("try to load TIFF and get color attributes");
ret = save_image_verify ("icc-profile.tiff", &error);
if (!ret) {
g_warning ("FAILED: did not load image: %s", error->message);
g_error_free (error);
goto out;
}
/* success */
retval = 0;
g_debug ("ALL OKAY!");
out:
return retval;
}
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