2 * Copyright (C) 2021 - The Geeqie Team
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 #include "image-load-external.h"
26 #include "image-load.h"
29 #include "ui-fileops.h"
31 struct ImageLoaderExternal {
32 ImageLoaderBackendCbAreaUpdated area_updated_cb;
33 ImageLoaderBackendCbSize size_cb;
34 ImageLoaderBackendCbAreaPrepared area_prepared_cb;
37 guint requested_width;
38 guint requested_height;
42 static gboolean image_loader_external_load(gpointer loader, const guchar *, gsize, GError **)
44 auto ld = static_cast<ImageLoaderExternal *>(loader);
45 auto il = static_cast<ImageLoader *>(ld->data);
48 gchar *tilde_filename;
50 tilde_filename = expand_tilde(options->external_preview.extract);
52 randname = g_strdup("/tmp/geeqie_external_preview_XXXXXX");
55 cmd_line = g_strdup_printf("\"%s\" \"%s\" \"%s\"" , tilde_filename, il->fd->path, randname);
59 ld->pixbuf = gdk_pixbuf_new_from_file(randname, nullptr);
61 ld->area_updated_cb(loader, 0, 0, gdk_pixbuf_get_width(ld->pixbuf), gdk_pixbuf_get_height(ld->pixbuf), ld->data);
64 unlink_file(randname);
66 g_free(tilde_filename);
71 static gpointer image_loader_external_new(ImageLoaderBackendCbAreaUpdated area_updated_cb, ImageLoaderBackendCbSize size_cb, ImageLoaderBackendCbAreaPrepared area_prepared_cb, gpointer data)
73 auto loader = g_new0(ImageLoaderExternal, 1);
74 loader->area_updated_cb = area_updated_cb;
75 loader->size_cb = size_cb;
76 loader->area_prepared_cb = area_prepared_cb;
81 static void image_loader_external_set_size(gpointer loader, int width, int height)
83 auto ld = static_cast<ImageLoaderExternal *>(loader);
84 ld->requested_width = width;
85 ld->requested_height = height;
88 static GdkPixbuf* image_loader_external_get_pixbuf(gpointer loader)
90 auto ld = static_cast<ImageLoaderExternal *>(loader);
94 static gchar* image_loader_external_get_format_name(gpointer)
96 return g_strdup("external");
99 static gchar** image_loader_external_get_format_mime_types(gpointer)
101 static const gchar *mime[] = {"application/octet-stream", nullptr};
102 return g_strdupv(const_cast<gchar **>(mime));
105 static gboolean image_loader_external_close(gpointer, GError **)
110 static void image_loader_external_abort(gpointer loader)
112 auto ld = static_cast<ImageLoaderExternal *>(loader);
116 static void image_loader_external_free(gpointer loader)
118 auto ld = static_cast<ImageLoaderExternal *>(loader);
119 if (ld->pixbuf) g_object_unref(ld->pixbuf);
123 void image_loader_backend_set_external(ImageLoaderBackend *funcs)
125 funcs->loader_new = image_loader_external_new;
126 funcs->set_size = image_loader_external_set_size;
127 funcs->load = image_loader_external_load;
128 funcs->write = nullptr;
129 funcs->get_pixbuf = image_loader_external_get_pixbuf;
130 funcs->close = image_loader_external_close;
131 funcs->abort = image_loader_external_abort;
132 funcs->free = image_loader_external_free;
133 funcs->get_format_name = image_loader_external_get_format_name;
134 funcs->get_format_mime_types = image_loader_external_get_format_mime_types;
138 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */