summaryrefslogtreecommitdiff
path: root/src/resources/loaders/rescaledloader.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/resources/loaders/rescaledloader.cpp')
-rw-r--r--src/resources/loaders/rescaledloader.cpp77
1 files changed, 77 insertions, 0 deletions
diff --git a/src/resources/loaders/rescaledloader.cpp b/src/resources/loaders/rescaledloader.cpp
new file mode 100644
index 000000000..95ef6dff7
--- /dev/null
+++ b/src/resources/loaders/rescaledloader.cpp
@@ -0,0 +1,77 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2004-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ * Copyright (C) 2011-2016 The ManaPlus Developers
+ *
+ * This file is part of The ManaPlus Client.
+ *
+ * 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
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "logger.h"
+
+#include "resources/image.h"
+
+#include "resources/loaders/rescaledloader.h"
+
+#include "resources/resourcemanager/resourcemanager.h"
+
+#include "utils/checkutils.h"
+#include "utils/stringutils.h"
+
+#include "debug.h"
+
+namespace
+{
+ struct RescaledLoader final
+ {
+ const Image *image;
+ int width;
+ int height;
+ static Resource *load(const void *const v)
+ {
+ if (!v)
+ return nullptr;
+ const RescaledLoader *const rl
+ = static_cast<const RescaledLoader *const>(v);
+ if (!rl->image)
+ return nullptr;
+ Image *const rescaled = rl->image->SDLgetScaledImage(
+ rl->width, rl->height);
+ if (!rescaled)
+ {
+ reportAlways("Rescale image failed: %s",
+ rl->image->getIdPath().c_str());
+ return nullptr;
+ }
+ return rescaled;
+ }
+ };
+} // namespace
+
+Image *Loader::getRescaled(const Image *const image,
+ const int width,
+ const int height)
+{
+ if (!image)
+ return nullptr;
+
+ const std::string idPath = image->getIdPath() + strprintf(
+ "_rescaled%dx%d", width, height);
+ const RescaledLoader rl = { image, width, height };
+ Image *const img = static_cast<Image *const>(
+ resourceManager->get(idPath, RescaledLoader::load, &rl));
+ return img;
+}