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Diffstat (limited to 'src/resources/image/subimage.cpp')
| -rw-r--r-- | src/resources/image/subimage.cpp | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/src/resources/image/subimage.cpp b/src/resources/image/subimage.cpp new file mode 100644 index 000000000..615474334 --- /dev/null +++ b/src/resources/image/subimage.cpp @@ -0,0 +1,232 @@ +/* + * 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 "resources/image/subimage.h" + +#ifdef DEBUG_IMAGES +#include "logger.h" +#endif + +#include "debug.h" + +#ifdef USE_SDL2 +SubImage::SubImage(Image *const parent, + SDL_Texture *const image, + const int x, const int y, + const int width, const int height) : + Image(image, width, height), + mInternalBounds(), + mParent(parent) +{ + if (mParent) + { + mParent->incRef(); + mParent->SDLTerminateAlphaCache(); + mHasAlphaChannel = mParent->hasAlphaChannel(); + mIsAlphaVisible = mHasAlphaChannel; + mAlphaChannel = mParent->SDLgetAlphaChannel(); + mSource = parent->getIdPath(); +#ifdef DEBUG_IMAGES + logger->log("set name2 %p, %s", this, mSource.c_str()); +#endif +#ifdef DEBUG_BIND_TEXTURE + mIdPath = parent->getIdPath(); +#endif + } + else + { + mHasAlphaChannel = false; + mIsAlphaVisible = false; + mAlphaChannel = nullptr; + } + + // Set up the rectangle. + mBounds.x = CAST_S16(x); + mBounds.y = CAST_S16(y); + mBounds.w = CAST_U16(width); + mBounds.h = CAST_U16(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; +} +#endif + +SubImage::SubImage(Image *const parent, + SDL_Surface *const image, + const int x, const int y, + const int width, const int height) : + Image(image, false), + mInternalBounds(), + mParent(parent) +{ + if (mParent) + { + mParent->incRef(); + mParent->SDLTerminateAlphaCache(); + mHasAlphaChannel = mParent->hasAlphaChannel(); + mIsAlphaVisible = mHasAlphaChannel; + mAlphaChannel = mParent->SDLgetAlphaChannel(); + mSource = parent->getIdPath(); +#ifdef DEBUG_IMAGES + logger->log("set name2 %p, %s", static_cast<void*>(this), + mSource.c_str()); +#endif +#ifdef DEBUG_BIND_TEXTURE + mIdPath = parent->getIdPath(); +#endif + } + else + { + mHasAlphaChannel = false; + mIsAlphaVisible = false; + mAlphaChannel = nullptr; + } + + // Set up the rectangle. + mBounds.x = CAST_S16(x); + mBounds.y = CAST_S16(y); + mBounds.w = CAST_U16(width); + mBounds.h = CAST_U16(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), + mInternalBounds(), + mParent(parent) +{ + if (mParent) + mParent->incRef(); + + // Set up the rectangle. + mBounds.x = CAST_S16(x); + mBounds.y = CAST_S16(y); + mBounds.w = CAST_U16(width); + mBounds.h = CAST_U16(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_IMAGES + logger->log("set name2 %p, %s", static_cast<void*>(this), + mSource.c_str()); +#endif +#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() +{ +#ifdef DEBUG_IMAGES + logger->log("delete subimage: %p", static_cast<void*>(this)); + logger->log(" %s, %s", mIdPath.c_str(), mSource.c_str()); +#endif + // Avoid destruction of the image + mSDLSurface = nullptr; + // Avoid possible destruction of its alpha channel + mAlphaChannel = nullptr; +#ifdef USE_SDL2 + // Avoid destruction of texture + mTexture = nullptr; +#endif +#ifdef USE_OPENGL + mGLImage = 0; +#endif + if (mParent) + { +#ifdef DEBUG_IMAGES + logger->log("decref from subminage: %p, parent: %p", + static_cast<void*>(this), static_cast<void*>(mParent)); +#endif + 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; +} + +#ifdef USE_OPENGL +void SubImage::decRef() +{ + Resource::decRef(); +} +#endif + +int SubImage::calcMemoryLocal() const +{ + int sz = static_cast<int>(sizeof(SubImage) + + sizeof(std::map<float, SDL_Surface*>)) + + Resource::calcMemoryLocal(); + return sz; +} |