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/*
* image-any.c
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <glib/gi18n-lib.h>
#include <e-util/e-util.h>
#include "e-mail-formatter-extension.h"
#include "e-mail-inline-filter.h"
#include "e-mail-parser-extension.h"
#include "e-mail-part-utils.h"
typedef EMailFormatterExtension EMailFormatterImage;
typedef EMailFormatterExtensionClass EMailFormatterImageClass;
GType e_mail_formatter_image_get_type (void);
G_DEFINE_TYPE (
EMailFormatterImage,
e_mail_formatter_image,
E_TYPE_MAIL_FORMATTER_EXTENSION)
static const gchar *formatter_mime_types[] = {
"image/gif",
"image/jpeg",
"image/png",
"image/x-png",
"image/x-bmp",
"image/bmp",
"image/svg",
"image/x-cmu-raster",
"image/x-ico",
"image/x-portable-anymap",
"image/x-portable-bitmap",
"image/x-portable-graymap",
"image/x-portable-pixmap",
"image/x-xpixmap",
"image/jpg",
"image/pjpeg",
"image/*",
NULL
};
static gboolean
emfe_image_format (EMailFormatterExtension *extension,
EMailFormatter *formatter,
EMailFormatterContext *context,
EMailPart *part,
GOutputStream *stream,
GCancellable *cancellable)
{
gchar *content;
CamelMimePart *mime_part;
CamelDataWrapper *dw;
GBytes *bytes;
GOutputStream *raw_content;
if (g_cancellable_is_cancelled (cancellable))
return FALSE;
mime_part = e_mail_part_ref_mime_part (part);
dw = camel_medium_get_content (CAMEL_MEDIUM (mime_part));
g_return_val_if_fail (dw, FALSE);
raw_content = g_memory_output_stream_new_resizable ();
camel_data_wrapper_decode_to_output_stream_sync (
dw, raw_content, cancellable, NULL);
g_output_stream_close (raw_content, NULL, NULL);
bytes = g_memory_output_stream_steal_as_bytes (
G_MEMORY_OUTPUT_STREAM (raw_content));
if (context->mode == E_MAIL_FORMATTER_MODE_RAW) {
if (!e_mail_formatter_get_animate_images (formatter)) {
gchar *buff;
gsize len;
e_mail_part_animation_extract_frame (
bytes, &buff, &len);
g_output_stream_write_all (
stream, buff, len, NULL, cancellable, NULL);
g_free (buff);
} else {
gconstpointer data;
gsize size;
data = g_bytes_get_data (bytes, &size);
g_output_stream_write_all (
stream, data, size, NULL, cancellable, NULL);
}
} else {
gchar *buffer;
const gchar *mime_type;
if (!e_mail_formatter_get_animate_images (formatter)) {
gchar *buff;
gsize len;
e_mail_part_animation_extract_frame (
bytes, &buff, &len);
content = g_base64_encode ((guchar *) buff, len);
g_free (buff);
} else {
gconstpointer data;
gsize size;
data = g_bytes_get_data (bytes, &size);
content = g_base64_encode (data, size);
}
mime_type = e_mail_part_get_mime_type (part);
if (mime_type == NULL)
mime_type = "image/*";
/* The image is already base64-encrypted so we can directly
* paste it to the output */
buffer = g_strdup_printf (
"<img src=\"data:%s;base64,%s\" "
" style=\"max-width: 100%%;\" />",
mime_type, content);
g_output_stream_write_all (
stream, buffer, strlen (buffer),
NULL, cancellable, NULL);
g_free (buffer);
g_free (content);
}
g_bytes_unref (bytes);
g_object_unref (raw_content);
g_object_unref (mime_part);
return TRUE;
}
static void
e_mail_formatter_image_class_init (EMailFormatterExtensionClass *class)
{
class->display_name = _("Regular Image");
class->description = _("Display part as an image");
class->mime_types = formatter_mime_types;
class->priority = G_PRIORITY_LOW;
class->format = emfe_image_format;
}
static void
e_mail_formatter_image_init (EMailFormatterExtension *extension)
{
}
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