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/*
* The ManaPlus Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2020 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"
#include "utils/cast.h"
#ifdef DEBUG_IMAGES
#include "logger.h"
#endif // DEBUG_IMAGES
#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->mIdPath;
#ifdef DEBUG_IMAGES
logger->log("set name2 %p, %s",
static_cast<void*>(this),
mSource.c_str());
#endif // DEBUG_IMAGES
#ifdef DEBUG_BIND_TEXTURE
mIdPath = parent->mIdPath;
#endif // DEBUG_BIND_TEXTURE
}
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 // USE_SDL2
SubImage::SubImage(Image *const parent,
SDL_Surface *const image,
const int x, const int y,
const int width, const int height) :
Image(image, false, nullptr),
mInternalBounds(),
mParent(parent)
{
if (mParent != nullptr)
{
mParent->incRef();
mParent->SDLTerminateAlphaCache();
mHasAlphaChannel = mParent->hasAlphaChannel();
mIsAlphaVisible = mHasAlphaChannel;
mAlphaChannel = mParent->SDLgetAlphaChannel();
mSource = parent->mIdPath;
#ifdef DEBUG_IMAGES
logger->log("set name2 %p, %s", static_cast<void*>(this),
mSource.c_str());
#endif // DEBUG_IMAGES
#ifdef DEBUG_BIND_TEXTURE
mIdPath = parent->mIdPath;
#endif // DEBUG_BIND_TEXTURE
}
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 != nullptr)
{
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 != nullptr)
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 != nullptr)
{
mInternalBounds.x = mParent->mBounds.x;
mInternalBounds.y = mParent->mBounds.y;
mInternalBounds.w = mParent->mBounds.w;
mInternalBounds.h = mParent->mBounds.h;
mSource = parent->mIdPath;
#ifdef DEBUG_IMAGES
logger->log("set name2 %p, %s", static_cast<void*>(this),
mSource.c_str());
#endif // DEBUG_IMAGES
#ifdef DEBUG_BIND_TEXTURE
mIdPath = parent->mIdPath;
#endif // DEBUG_BIND_TEXTURE
}
else
{
mInternalBounds.x = 0;
mInternalBounds.y = 0;
mInternalBounds.w = 1;
mInternalBounds.h = 1;
}
mIsAlphaVisible = mHasAlphaChannel;
}
#endif // USE_OPENGL
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 // DEBUG_IMAGES
// 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 // USE_SDL2
#ifdef USE_OPENGL
mGLImage = 0;
#endif // USE_OPENGL
if (mParent != nullptr)
{
#ifdef DEBUG_IMAGES
logger->log("decref from subminage: %p, parent: %p",
static_cast<void*>(this), static_cast<void*>(mParent));
#endif // DEBUG_IMAGES
mParent->decRef();
mParent = nullptr;
}
}
Image *SubImage::getSubImage(const int x, const int y,
const int w, const int h)
{
if (mParent != nullptr)
return mParent->getSubImage(mBounds.x + x, mBounds.y + y, w, h);
return nullptr;
}
#ifdef USE_OPENGL
void SubImage::decRef()
{
Resource::decRef();
}
#endif // USE_OPENGL
int SubImage::calcMemoryLocal() const
{
return static_cast<int>(sizeof(SubImage) +
sizeof(std::map<float, SDL_Surface*>)) +
Image::calcMemoryLocal();
}
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