static void
save_as_response_cb (GtkDialog *file_sel,
int response,
SaveData *save_data)
{
GFile *file;
const char *mime_type;
GFile *folder;
char *folder_uri;
GthTask *task;
if (response != GTK_RESPONSE_OK) {
GthMediaViewerPage *page = save_data->page;
if (save_data->playing_before_screenshot)
gst_element_set_state (gth_media_viewer_page_get_playbin (page), GST_STATE_PLAYING);
save_date_free (save_data);
gtk_widget_destroy (GTK_WIDGET (file_sel));
return;
}
if (! gth_file_chooser_dialog_get_file (GTH_FILE_CHOOSER_DIALOG (file_sel), &file, &mime_type))
return;
folder = g_file_get_parent (file);
folder_uri = g_file_get_uri (folder);
g_settings_set_string (save_data->settings, PREF_GSTREAMER_TOOLS_SCREESHOT_LOCATION, folder_uri);
save_data->file_data = gth_file_data_new (file, NULL);
gth_file_data_set_mime_type (save_data->file_data, mime_type);
task = gth_save_image_task_new (save_data->image,
mime_type,
save_data->file_data,
GTH_OVERWRITE_RESPONSE_YES);
g_signal_connect (task,
"completed",
G_CALLBACK (save_screenshot_task_completed_cb),
save_data);
gth_browser_exec_task (GTH_BROWSER (save_data->browser), task, FALSE);
gtk_widget_destroy (GTK_WIDGET (file_sel));
g_free (folder_uri);
g_object_unref (folder);
g_object_unref (file);
}
static void
set_current_destination_file (GthPixbufListTask *self)
{
GthFileData *file_data;
char *display_name;
GFile *parent;
GFile *destination;
file_data = self->priv->current->data;
if (self->priv->mime_type != NULL) {
char *no_ext;
GthPixbufSaver *saver;
no_ext = _g_uri_remove_extension (g_file_info_get_display_name (file_data->info));
saver = gth_main_get_pixbuf_saver (self->priv->mime_type);
g_return_if_fail (saver != NULL);
display_name = g_strconcat (no_ext, ".", gth_pixbuf_saver_get_default_ext (saver), NULL);
gth_file_data_set_mime_type (file_data, self->priv->mime_type);
g_object_unref (saver);
g_free (no_ext);
}
else
display_name = g_strdup (g_file_info_get_display_name (file_data->info));
if (self->priv->destination_folder != NULL)
parent = g_object_ref (self->priv->destination_folder);
else
parent = g_file_get_parent (file_data->file);
destination = g_file_get_child_for_display_name (parent, display_name, NULL);
gth_file_data_set_file (file_data, destination);
g_object_unref (destination);
g_object_unref (parent);
g_free (display_name);
}
static void
gth_metadata_provider_image_read (GthMetadataProvider *self,
GthFileData *file_data,
const char *attributes,
GCancellable *cancellable)
{
gboolean format_recognized;
GFileInputStream *stream;
char *description = NULL;
int width;
int height;
const char *mime_type = NULL;
format_recognized = FALSE;
stream = g_file_read (file_data->file, cancellable, NULL);
if (stream != NULL) {
int buffer_size;
guchar *buffer;
gssize size;
buffer_size = BUFFER_SIZE;
buffer = g_new (guchar, buffer_size);
size = g_input_stream_read (G_INPUT_STREAM (stream),
buffer,
buffer_size,
cancellable,
NULL);
if (size >= 0) {
if ((size >= 24)
/* PNG signature */
&& (buffer[0] == 0x89)
&& (buffer[1] == 0x50)
&& (buffer[2] == 0x4E)
&& (buffer[3] == 0x47)
&& (buffer[4] == 0x0D)
&& (buffer[5] == 0x0A)
&& (buffer[6] == 0x1A)
&& (buffer[7] == 0x0A)
/* IHDR Image header */
&& (buffer[12] == 0x49)
&& (buffer[13] == 0x48)
&& (buffer[14] == 0x44)
&& (buffer[15] == 0x52))
{
/* PNG */
width = (buffer[16] << 24) + (buffer[17] << 16) + (buffer[18] << 8) + buffer[19];
height = (buffer[20] << 24) + (buffer[21] << 16) + (buffer[22] << 8) + buffer[23];
description = _("PNG");
mime_type = "image/png";
format_recognized = TRUE;
}
#if HAVE_LIBJPEG
else if ((size >= 4)
&& (buffer[0] == 0xff)
&& (buffer[1] == 0xd8)
&& (buffer[2] == 0xff))
{
/* JPEG */
GthTransform orientation;
if (g_seekable_can_seek (G_SEEKABLE (stream))) {
g_seekable_seek (G_SEEKABLE (stream), 0, G_SEEK_SET, cancellable, NULL);
}
else {
g_object_unref (stream);
stream = g_file_read (file_data->file, cancellable, NULL);
}
if (_jpeg_get_image_info (G_INPUT_STREAM (stream),
&width,
&height,
&orientation,
cancellable,
NULL))
{
description = _("JPEG");
mime_type = "image/jpeg";
format_recognized = TRUE;
if ((orientation == GTH_TRANSFORM_ROTATE_90)
|| (orientation == GTH_TRANSFORM_ROTATE_270)
|| (orientation == GTH_TRANSFORM_TRANSPOSE)
|| (orientation == GTH_TRANSFORM_TRANSVERSE))
{
int tmp = width;
width = height;
height = tmp;
}
}
}
#endif /* HAVE_LIBJPEG */
#if HAVE_LIBWEBP
else if ((size > 15) && (memcmp (buffer + 8, "WEBPVP8", 7) == 0)) {
WebPDecoderConfig config;
if (WebPInitDecoderConfig (&config)) {
if (WebPGetFeatures (buffer, buffer_size, &config.input) == VP8_STATUS_OK) {
width = config.input.width;
height = config.input.height;
description = _("WebP");
mime_type = "image/webp";
format_recognized = TRUE;
}
WebPFreeDecBuffer (&config.output);
}
}
#endif /* HAVE_LIBWEBP */
else if ((size >= 26)
&& (strncmp ((char *) buffer, "gimp xcf ", 9) == 0))
{
/* XCF */
GInputStream *mem_stream;
GDataInputStream *data_stream;
mem_stream = g_memory_input_stream_new_from_data (buffer, BUFFER_SIZE, NULL);
data_stream = g_data_input_stream_new (mem_stream);
g_data_input_stream_set_byte_order (data_stream, G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN);
if (g_seekable_seek (G_SEEKABLE (data_stream), 14, G_SEEK_SET, NULL, NULL)) {
int base_type;
width = g_data_input_stream_read_uint32 (data_stream, NULL, NULL);
height = g_data_input_stream_read_uint32 (data_stream, NULL, NULL);
base_type = g_data_input_stream_read_uint32 (data_stream, NULL, NULL);
if (base_type == 0)
description = "XCF RGB";
else if (base_type == 1)
description = "XCF grayscale";
else if (base_type == 2)
description = "XCF indexed";
else
description = "XCF";
mime_type = "image/x-xcf";
format_recognized = TRUE;
}
g_object_unref (data_stream);
g_object_unref (mem_stream);
}
}
g_free (buffer);
g_object_unref (stream);
}
if (! format_recognized) { /* use gdk_pixbuf_get_file_info */
char *filename;
filename = g_file_get_path (file_data->file);
if (filename != NULL) {
GdkPixbufFormat *format;
format = gdk_pixbuf_get_file_info (filename, &width, &height);
if (format != NULL) {
format_recognized = TRUE;
description = gdk_pixbuf_format_get_description (format);
}
g_free (filename);
}
}
if (format_recognized) {
char *size;
g_file_info_set_attribute_string (file_data->info, "general::format", description);
g_file_info_set_attribute_int32 (file_data->info, "image::width", width);
g_file_info_set_attribute_int32 (file_data->info, "image::height", height);
g_file_info_set_attribute_int32 (file_data->info, "frame::width", width);
g_file_info_set_attribute_int32 (file_data->info, "frame::height", height);
if (mime_type != NULL)
gth_file_data_set_mime_type (file_data, mime_type);
size = g_strdup_printf (_("%d × %d"), width, height);
g_file_info_set_attribute_string (file_data->info, "general::dimensions", size);
g_free (size);
}
}
