/* * 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 "normalopenglgraphics.h" #include "safeopenglgraphics.h" #endif #include "client.h" #include "debug.h" SubImage::SubImage(Image *const parent, SDL_Surface *const image, const int x, const int y, const int width, const int height) : Image(image), mParent(parent) { if (mParent) { mParent->incRef(); mParent->SDLTerminateAlphaCache(); mHasAlphaChannel = mParent->hasAlphaChannel(); mIsAlphaVisible = mHasAlphaChannel; mAlphaChannel = mParent->SDLgetAlphaChannel(); mSource = parent->getIdPath(); #ifdef DEBUG_BIND_TEXTURE mIdPath = parent->getIdPath(); #endif } 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_t>(width); mBounds.h = static_cast<uint16_t>(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 *const parent, const GLuint image, const int x, const int y, const int width, const int height, const int texWidth, const 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_t>(width); mBounds.h = static_cast<uint16_t>(height); if (mParent) { mInternalBounds.x = mParent->mBounds.x; mInternalBounds.y = mParent->mBounds.y; mInternalBounds.w = mParent->mBounds.w; mInternalBounds.h = mParent->mBounds.h; mSource = parent->getIdPath(); #ifdef DEBUG_BIND_TEXTURE mIdPath = parent->getIdPath(); #endif } 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(const int x, const int y, const int w, const int h) { if (mParent) return mParent->getSubImage(mBounds.x + x, mBounds.y + y, w, h); else return nullptr; }