diff options
Diffstat (limited to 'libappstream-builder/plugins/asb-plugin-icon.c')
| -rw-r--r-- | libappstream-builder/plugins/asb-plugin-icon.c | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/libappstream-builder/plugins/asb-plugin-icon.c b/libappstream-builder/plugins/asb-plugin-icon.c new file mode 100644 index 0000000..1cf9ad3 --- /dev/null +++ b/libappstream-builder/plugins/asb-plugin-icon.c @@ -0,0 +1,205 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- + * + * Copyright (C) 2014-2018 Richard Hughes <richard@hughsie.com> + * + * Licensed under the GNU Lesser General Public License Version 2.1 + * + * This library 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; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <config.h> +#include <string.h> +#include <fnmatch.h> +#include <gdk-pixbuf/gdk-pixbuf.h> + +#include <asb-plugin.h> + +#define __APPSTREAM_GLIB_PRIVATE_H +#include <as-utils-private.h> +#include <as-app-private.h> + +const gchar * +asb_plugin_get_name (void) +{ + return "icon"; +} + +void +asb_plugin_add_globs (AsbPlugin *plugin, GPtrArray *globs) +{ + asb_plugin_add_glob (globs, "/usr/share/pixmaps/*"); + asb_plugin_add_glob (globs, "/usr/share/icons/*"); + asb_plugin_add_glob (globs, "/usr/share/*/icons/*"); +} + +static GdkPixbuf * +asb_app_load_icon (AsbPlugin *plugin, + const gchar *filename, + const gchar *logfn, + guint icon_size, + guint min_icon_size, + GError **error) +{ + g_autoptr(AsImage) im = NULL; + g_autoptr(GError) error_local = NULL; + AsImageLoadFlags load_flags = AS_IMAGE_LOAD_FLAG_ALWAYS_RESIZE; + + /* is icon in a unsupported format */ + if (!asb_context_get_flag (plugin->ctx, ASB_CONTEXT_FLAG_IGNORE_LEGACY_ICONS)) + load_flags |= AS_IMAGE_LOAD_FLAG_ONLY_SUPPORTED; + + im = as_image_new (); + if (!as_image_load_filename_full (im, + filename, + icon_size, + min_icon_size, + load_flags, + &error_local)) { + g_set_error (error, + ASB_PLUGIN_ERROR, + ASB_PLUGIN_ERROR_FAILED, + "%s: %s", + error_local->message, logfn); + return NULL; + } + return g_object_ref (as_image_get_pixbuf (im)); +} + +static gboolean +asb_plugin_icon_convert_cached (AsbPlugin *plugin, + AsbApp *app, + const gchar *tmpdir, + const gchar *key, + GError **error) +{ + guint min_icon_size; + g_autofree gchar *fn_hidpi = NULL; + g_autofree gchar *fn = NULL; + g_autofree gchar *name_hidpi = NULL; + g_autofree gchar *name = NULL; + g_autoptr(AsIcon) icon_hidpi = NULL; + g_autoptr(AsIcon) icon = NULL; + g_autoptr(GdkPixbuf) pixbuf_hidpi = NULL; + g_autoptr(GdkPixbuf) pixbuf = NULL; + + /* find 64x64 icon */ + fn = as_utils_find_icon_filename_full (tmpdir, key, + AS_UTILS_FIND_ICON_NONE, + error); + if (fn == NULL) { + g_prefix_error (error, "Failed to find icon: "); + return FALSE; + } + + /* load the icon */ + min_icon_size = asb_context_get_min_icon_size (plugin->ctx); + pixbuf = asb_app_load_icon (plugin, fn, fn + strlen (tmpdir), + 64, min_icon_size, error); + if (pixbuf == NULL) { + g_prefix_error (error, "Failed to load icon: "); + return FALSE; + } + + /* save in target directory */ + if (asb_context_get_flag (plugin->ctx, ASB_CONTEXT_FLAG_HIDPI_ICONS)) { + name = g_strdup_printf ("%ix%i/%s.png", + 64, 64, + as_app_get_id_filename (AS_APP (app))); + } else { + name = g_strdup_printf ("%s.png", + as_app_get_id_filename (AS_APP (app))); + } + icon = as_icon_new (); + as_icon_set_pixbuf (icon, pixbuf); + as_icon_set_name (icon, name); + as_icon_set_kind (icon, AS_ICON_KIND_CACHED); + as_icon_set_prefix (icon, as_app_get_icon_path (AS_APP (app))); + as_app_add_icon (AS_APP (app), icon); + + /* is HiDPI disabled */ + if (!asb_context_get_flag (plugin->ctx, ASB_CONTEXT_FLAG_HIDPI_ICONS)) + return TRUE; + + /* try to get a HiDPI icon */ + fn_hidpi = as_utils_find_icon_filename_full (tmpdir, key, + AS_UTILS_FIND_ICON_HI_DPI, + NULL); + if (fn_hidpi == NULL) + return TRUE; + + /* load the HiDPI icon */ + pixbuf_hidpi = asb_app_load_icon (plugin, fn_hidpi, + fn_hidpi + strlen (tmpdir), + 128, 128, NULL); + if (pixbuf_hidpi == NULL) + return TRUE; + if (gdk_pixbuf_get_width (pixbuf_hidpi) <= gdk_pixbuf_get_width (pixbuf) || + gdk_pixbuf_get_height (pixbuf_hidpi) <= gdk_pixbuf_get_height (pixbuf)) + return TRUE; + as_app_add_kudo_kind (AS_APP (app), AS_KUDO_KIND_HI_DPI_ICON); + + /* save icon */ + name_hidpi = g_strdup_printf ("%ix%i/%s.png", + 128, 128, + as_app_get_id_filename (AS_APP (app))); + icon_hidpi = as_icon_new (); + as_icon_set_pixbuf (icon_hidpi, pixbuf_hidpi); + as_icon_set_name (icon_hidpi, name_hidpi); + as_icon_set_kind (icon_hidpi, AS_ICON_KIND_CACHED); + as_icon_set_prefix (icon_hidpi, as_app_get_icon_path (AS_APP (app))); + as_app_add_icon (AS_APP (app), icon_hidpi); + return TRUE; +} + +gboolean +asb_plugin_process_app (AsbPlugin *plugin, + AsbPackage *pkg, + AsbApp *app, + const gchar *tmpdir, + GError **error) +{ + AsIcon *icon; + g_autofree gchar *key = NULL; + g_autoptr(GError) error_local = NULL; + + /* no icon defined */ + icon = as_app_get_icon_default (AS_APP (app)); + if (icon == NULL) + return TRUE; + + /* is the icon a stock-icon-name? */ + if (as_icon_get_kind (icon) == AS_ICON_KIND_STOCK) { + asb_package_log (pkg, + ASB_PACKAGE_LOG_LEVEL_DEBUG, + "using stock icon %s", + as_icon_get_name (icon)); + return TRUE; + } + + /* convert to cached */ + switch (as_icon_get_kind (icon)) { + case AS_ICON_KIND_LOCAL: + key = g_strdup (as_icon_get_filename (icon)); + break; + default: + key = g_strdup (as_icon_get_name (icon)); + break; + } + g_ptr_array_set_size (as_app_get_icons (AS_APP (app)), 0); + if (!asb_plugin_icon_convert_cached (plugin, app, tmpdir, key, &error_local)) + as_app_add_veto (AS_APP (app), "%s", error_local->message); + + return TRUE; +} |