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Diffstat (limited to 'src/resources/loaders/subimageloader.cpp')
-rw-r--r--src/resources/loaders/subimageloader.cpp89
1 files changed, 89 insertions, 0 deletions
diff --git a/src/resources/loaders/subimageloader.cpp b/src/resources/loaders/subimageloader.cpp
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index 000000000..9d61a305d
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+++ b/src/resources/loaders/subimageloader.cpp
@@ -0,0 +1,89 @@
+/*
+ * 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/subimageloader.h"
+
+#include "resources/resourcemanager/resourcemanager.h"
+
+#include "utils/checkutils.h"
+#include "utils/physfsrwops.h"
+#include "utils/stringutils.h"
+
+#include "debug.h"
+
+namespace
+{
+ struct SubImageLoader final
+ {
+ Image *parent;
+ int x, y;
+ int width, height;
+ static Resource *load(const void *const v)
+ {
+ if (!v)
+ return nullptr;
+
+ const SubImageLoader *const
+ rl = static_cast<const SubImageLoader *const>(v);
+ if (!rl->parent)
+ return nullptr;
+
+ Image *const res = rl->parent->getSubImage(rl->x, rl->y,
+ rl->width, rl->height);
+ if (!res)
+ {
+ reportAlways("SubImage loading error: %s",
+ rl->parent->getSource().c_str());
+ }
+ return res;
+ }
+ };
+} // namespace
+
+Image *Loader::getSubImage(Image *const parent,
+ const int x,
+ const int y,
+ const int width,
+ const int height)
+{
+ if (!parent)
+ return nullptr;
+
+ const SubImageLoader rl = { parent, x, y, width, height};
+
+ const std::string str = std::string(parent->getIdPath()).append(
+ ",[").append(
+ toString(x)).append(
+ ",").append(
+ toString(y)).append(
+ ",").append(
+ toString(width)).append(
+ "x").append(
+ toString(height)).append(
+ "]");
+ return static_cast<Image*>(resourceManager->get(str,
+ SubImageLoader::load, &rl));
+}