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authorAndrei Karas <akaras@inbox.ru>2012-06-10 00:11:20 +0300
committerAndrei Karas <akaras@inbox.ru>2012-06-10 00:11:20 +0300
commitf199b9ba7da47cb6f9aa95f843c0628621899aa9 (patch)
tree9b1ff96b456f7d93d1a66f3471cd251908f3c227 /src/resources/subimage.cpp
parentff11053f5f638749c3564c464dc41ebc474b4897 (diff)
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Move SubImage class to separate file.
Diffstat (limited to 'src/resources/subimage.cpp')
-rw-r--r--src/resources/subimage.cpp134
1 files changed, 134 insertions, 0 deletions
diff --git a/src/resources/subimage.cpp b/src/resources/subimage.cpp
new file mode 100644
index 000000000..895bdc9a7
--- /dev/null
+++ b/src/resources/subimage.cpp
@@ -0,0 +1,134 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2004-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ * Copyright (C) 2011-2012 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 "resources/subimage.h"
+
+#ifdef USE_OPENGL
+#include "openglgraphics.h"
+#include "opengl1graphics.h"
+#endif
+
+#include "client.h"
+#include "main.h"
+
+#include "utils/stringutils.h"
+
+#include "debug.h"
+
+SubImage::SubImage(Image *parent, SDL_Surface *image,
+ int x, int y, int width, int height):
+ Image(image),
+ mParent(parent)
+{
+ if (mParent)
+ {
+ mParent->incRef();
+ mParent->SDLTerminateAlphaCache();
+ mHasAlphaChannel = mParent->hasAlphaChannel();
+ mIsAlphaVisible = mHasAlphaChannel;
+ mAlphaChannel = mParent->SDLgetAlphaChannel();
+ }
+ else
+ {
+ mHasAlphaChannel = false;
+ mIsAlphaVisible = false;
+ mAlphaChannel = nullptr;
+ }
+
+ // Set up the rectangle.
+ mBounds.x = static_cast<short>(x);
+ mBounds.y = static_cast<short>(y);
+ mBounds.w = static_cast<Uint16>(width);
+ mBounds.h = static_cast<Uint16>(height);
+ if (mParent)
+ {
+ mInternalBounds.x = mParent->mBounds.x;
+ mInternalBounds.y = mParent->mBounds.y;
+ mInternalBounds.w = mParent->mBounds.w;
+ mInternalBounds.h = mParent->mBounds.h;
+ }
+ else
+ {
+ mInternalBounds.x = 0;
+ mInternalBounds.y = 0;
+ mInternalBounds.w = 1;
+ mInternalBounds.h = 1;
+ }
+ mUseAlphaCache = false;
+}
+
+#ifdef USE_OPENGL
+SubImage::SubImage(Image *parent, GLuint image,
+ int x, int y, int width, int height,
+ int texWidth, int texHeight):
+ Image(image, width, height, texWidth, texHeight),
+ mParent(parent)
+{
+ if (mParent)
+ mParent->incRef();
+
+ // Set up the rectangle.
+ mBounds.x = static_cast<short>(x);
+ mBounds.y = static_cast<short>(y);
+ mBounds.w = static_cast<Uint16>(width);
+ mBounds.h = static_cast<Uint16>(height);
+ if (mParent)
+ {
+ mInternalBounds.x = mParent->mBounds.x;
+ mInternalBounds.y = mParent->mBounds.y;
+ mInternalBounds.w = mParent->mBounds.w;
+ mInternalBounds.h = mParent->mBounds.h;
+ }
+ else
+ {
+ mInternalBounds.x = 0;
+ mInternalBounds.y = 0;
+ mInternalBounds.w = 1;
+ mInternalBounds.h = 1;
+ }
+ mIsAlphaVisible = mHasAlphaChannel;
+}
+#endif
+
+SubImage::~SubImage()
+{
+ // Avoid destruction of the image
+ mSDLSurface = nullptr;
+ // Avoid possible destruction of its alpha channel
+ mAlphaChannel = nullptr;
+#ifdef USE_OPENGL
+ mGLImage = 0;
+#endif
+ if (mParent)
+ {
+ mParent->decRef();
+ mParent = nullptr;
+ }
+}
+
+Image *SubImage::getSubImage(int x, int y, int w, int h)
+{
+ if (mParent)
+ return mParent->getSubImage(mBounds.x + x, mBounds.y + y, w, h);
+ else
+ return nullptr;
+}