BalsaMimeWidget *
balsa_mime_widget_new_image(BalsaMessage * bm,
LibBalsaMessageBody * mime_body,
const gchar * content_type, gpointer data)
{
GdkPixbuf *pixbuf;
GtkWidget *image;
GError * load_err = NULL;
BalsaMimeWidgetImage *mwi;
BalsaMimeWidget *mw;
g_return_val_if_fail(mime_body != NULL, NULL);
g_return_val_if_fail(content_type != NULL, NULL);
pixbuf = libbalsa_message_body_get_pixbuf(mime_body, &load_err);
if (!pixbuf) {
if (load_err) {
balsa_information(LIBBALSA_INFORMATION_ERROR,
_("Error loading attached image: %s\n"),
load_err->message);
g_error_free(load_err);
}
return NULL;
}
mwi = g_object_new(BALSA_TYPE_MIME_WIDGET_IMAGE, NULL);
mw = (BalsaMimeWidget *) mwi;
mw->widget = gtk_event_box_new();
g_signal_connect(G_OBJECT(mw->widget), "button-press-event",
G_CALLBACK(balsa_image_button_press_cb), data);
#if !GTK_CHECK_VERSION(3, 15, 0)
mwi->context =
gtk_widget_get_style_context(GTK_WIDGET(bm->scroll));
bmwi_context_changed_cb(mwi->context, mw);
mwi->context_changed_handler_id =
g_signal_connect(mwi->context, "changed",
G_CALLBACK(bmwi_context_changed_cb), mw);
#endif
image = gtk_image_new_from_icon_name("image-missing",
GTK_ICON_SIZE_BUTTON);
g_object_set_data(G_OBJECT(image), "orig-width",
GINT_TO_POINTER(gdk_pixbuf_get_width(pixbuf)));
g_object_set_data(G_OBJECT(image), "mime-body", mime_body);
g_object_unref(pixbuf);
gtk_container_add(GTK_CONTAINER(mw->widget), image);
return mw;
}
GList *
balsa_print_object_image(GList * list, GtkPrintContext *context,
LibBalsaMessageBody *body, BalsaPrintSetup * psetup)
{
BalsaPrintObjectImage *poi;
BalsaPrintObject *po;
GdkPixbuf *pixbuf;
GError *err = NULL;
gdouble c_use_width;
gdouble c_img_width;
gdouble c_img_height;
/* check if we can handle the image */
pixbuf = libbalsa_message_body_get_pixbuf(body, &err);
if (err) {
g_message("Error loading image from file: %s", err->message);
g_error_free(err);
}
/* fall back to default if the pixbuf could no be loaded */
if (!pixbuf)
return balsa_print_object_default(list, context, body, psetup);
/* create the part */
poi = g_object_new(BALSA_TYPE_PRINT_OBJECT_IMAGE, NULL);
g_assert(poi != NULL);
po = BALSA_PRINT_OBJECT(poi);
po->depth = psetup->curr_depth;
poi->pixbuf = pixbuf;
c_use_width = psetup->c_width - 2 * psetup->curr_depth * C_LABEL_SEP;
c_img_width = gdk_pixbuf_get_width(pixbuf);
c_img_height = gdk_pixbuf_get_height(pixbuf);
poi->scale = 1.0;
/* check if we should scale the width */
if (c_img_width > c_use_width) {
poi->scale = c_use_width / c_img_width;
c_img_height *= poi->scale;
c_img_width = c_use_width;
}
/* check if the image is too high for one full page */
if (c_img_height > psetup->c_height) {
gdouble hscale = psetup->c_height / c_img_height;
poi->scale *= hscale;
c_img_width *= hscale;
c_img_height = psetup->c_height;
}
/* check if we should move to the next page */
if (psetup->c_y_pos + c_img_height > psetup->c_height) {
psetup->c_y_pos = 0;
psetup->page_count++;
}
/* remember the extent */
po->on_page = psetup->page_count - 1;
po->c_at_x = psetup->c_x0 + psetup->curr_depth * C_LABEL_SEP;
po->c_at_y = psetup->c_y0 + psetup->c_y_pos;
po->c_width = c_img_width;
poi->c_img_offs = 0.5 * (c_use_width - c_img_width);
po->c_height = c_img_height;
/* adjust the y position */
psetup->c_y_pos += c_img_height;
return g_list_append(list, po);
}
