-/*
- * Copyright (C) 20019 - The Geeqie Team
- *
- * Author: Colin Clark
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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 General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "main.h"
-
-#include "image-load.h"
-#include "image-load-webp.h"
-
-#ifdef HAVE_WEBP
-#include <webp/decode.h>
-
-typedef struct _ImageLoaderWEBP ImageLoaderWEBP;
-struct _ImageLoaderWEBP {
- ImageLoaderBackendCbAreaUpdated area_updated_cb;
- ImageLoaderBackendCbSize size_cb;
- ImageLoaderBackendCbAreaPrepared area_prepared_cb;
- gpointer data;
- GdkPixbuf *pixbuf;
- guint requested_width;
- guint requested_height;
- gboolean abort;
-};
-
-static void free_buffer(guchar *pixels, gpointer)
-{
- g_free(pixels);
-}
-
-static gboolean image_loader_webp_load(gpointer loader, const guchar *buf, gsize count, GError **)
-{
- auto ld = static_cast<ImageLoaderWEBP *>(loader);
- gboolean res_info;
- gint width, height;
- guint8* data;
- VP8StatusCode status_code;
- WebPBitstreamFeatures features;
-
- res_info = WebPGetInfo(buf, count, &width, &height);
- if (!res_info)
- {
- log_printf("warning: webp reader error\n");
- return FALSE;
- }
-
- status_code = WebPGetFeatures(buf, count, &features);
- if (status_code != VP8_STATUS_OK)
- {
- log_printf("warning: webp reader error\n");
- return FALSE;
- }
-
- if (features.has_alpha)
- {
- data = WebPDecodeRGBA(buf, count, &width, &height);
- }
- else
- {
- data = WebPDecodeRGB(buf, count, &width, &height);
- }
-
- ld->pixbuf = gdk_pixbuf_new_from_data(data, GDK_COLORSPACE_RGB, features.has_alpha, 8, width, height, width * (features.has_alpha ? 4 : 3), free_buffer, NULL);
-
- ld->area_updated_cb(loader, 0, 0, width, height, ld->data);
-
- return TRUE;
-}
-
-static gpointer image_loader_webp_new(ImageLoaderBackendCbAreaUpdated area_updated_cb, ImageLoaderBackendCbSize size_cb, ImageLoaderBackendCbAreaPrepared area_prepared_cb, gpointer data)
-{
- auto loader = g_new0(ImageLoaderWEBP, 1);
- loader->area_updated_cb = area_updated_cb;
- loader->size_cb = size_cb;
- loader->area_prepared_cb = area_prepared_cb;
- loader->data = data;
- return (gpointer) loader;
-}
-
-static void image_loader_webp_set_size(gpointer loader, int width, int height)
-{
- auto ld = static_cast<ImageLoaderWEBP *>(loader);
- ld->requested_width = width;
- ld->requested_height = height;
-}
-
-static GdkPixbuf* image_loader_webp_get_pixbuf(gpointer loader)
-{
- auto ld = static_cast<ImageLoaderWEBP *>(loader);
- return ld->pixbuf;
-}
-
-static gchar* image_loader_webp_get_format_name(gpointer)
-{
- return g_strdup("webp");
-}
-
-static gchar** image_loader_webp_get_format_mime_types(gpointer)
-{
- static const gchar *mime[] = {"image/webp", nullptr};
- return g_strdupv(const_cast<gchar **>(mime));
-}
-
-static gboolean image_loader_webp_close(gpointer, GError **)
-{
- return TRUE;
-}
-
-static void image_loader_webp_abort(gpointer loader)
-{
- auto ld = static_cast<ImageLoaderWEBP *>(loader);
- ld->abort = TRUE;
-}
-
-static void image_loader_webp_free(gpointer loader)
-{
- auto ld = static_cast<ImageLoaderWEBP *>(loader);
- if (ld->pixbuf) g_object_unref(ld->pixbuf);
- g_free(ld);
-}
-
-void image_loader_backend_set_webp(ImageLoaderBackend *funcs)
-{
- funcs->loader_new = image_loader_webp_new;
- funcs->set_size = image_loader_webp_set_size;
- funcs->load = image_loader_webp_load;
- funcs->write = NULL;
- funcs->get_pixbuf = image_loader_webp_get_pixbuf;
- funcs->close = image_loader_webp_close;
- funcs->abort = image_loader_webp_abort;
- funcs->free = image_loader_webp_free;
- funcs->get_format_name = image_loader_webp_get_format_name;
- funcs->get_format_mime_types = image_loader_webp_get_format_mime_types;
-}
-
-#endif
-/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */