mirror of
https://github.com/wiidev/usbloadergx.git
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125 lines
3.0 KiB
C++
125 lines
3.0 KiB
C++
/***************************************************************************
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* Copyright (C) 2010
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* by Dimok
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any
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* damages arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any
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* purpose, including commercial applications, and to alter it and
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* redistribute it freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you
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* must not claim that you wrote the original software. If you use
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* this software in a product, an acknowledgment in the product
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* documentation would be appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and
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* must not be misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source
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* distribution.
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***************************************************************************/
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#include "ResourceManager.h"
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ResourceManager * ResourceManager::instance = NULL;
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ResourceManager * ResourceManager::Instance()
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{
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if (instance == NULL)
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{
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instance = new ResourceManager();
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}
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return instance;
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}
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void ResourceManager::DestroyInstance()
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{
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if (instance != NULL)
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{
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delete instance;
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instance = NULL;
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}
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}
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ResourceManager::~ResourceManager()
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{
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// Delete all images...
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std::map<const u8 *, ImageData>::iterator imgitr;
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for (imgitr = images.begin(); imgitr != images.end(); imgitr++)
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{
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if(imgitr->second.data)
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free(imgitr->second.data);
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}
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images.clear();
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imageCount.clear();
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}
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void ResourceManager::AddImageData(const u8 *img, ImageData & Data)
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{
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ResourceManager::Instance()->InternalAddImageData(img, Data);
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}
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ImageData * ResourceManager::GetImageData(const u8 *img)
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{
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return ResourceManager::Instance()->InternalGetImageData(img);
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}
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void ResourceManager::Remove(u8 * img)
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{
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ResourceManager::Instance()->InternalRemoveImageData(img);
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}
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void ResourceManager::InternalAddImageData(const u8 * img, ImageData & Data)
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{
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std::map<const u8 *, ImageData>::iterator itr = images.find(img);
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if (itr != images.end())
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return;
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images[img] = Data;
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imageCount[Data.data] = 1;
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}
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ImageData * ResourceManager::InternalGetImageData(const u8 *img)
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{
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std::map<const u8 *, ImageData>::iterator itr = images.find(img);
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if (itr == images.end())
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return NULL;
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imageCount[itr->second.data]++;
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return &itr->second;
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}
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void ResourceManager::InternalRemoveImageData(u8 * img)
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{
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std::map<u8 *, int>::iterator itr = imageCount.find(img);
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if (itr != imageCount.end())
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{
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itr->second--;
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if (itr->second == 0) // Remove the resource
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{
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imageCount.erase(itr);
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std::map<const u8 *, ImageData>::iterator iitr;
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for (iitr = images.begin(); iitr != images.end(); iitr++)
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{
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if (iitr->second.data == img)
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{
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if(iitr->second.data)
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free(iitr->second.data);
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images.erase(iitr);
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break;
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}
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}
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}
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}
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else if(img)
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{
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//! This case should actually never accur
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free(img);
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}
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}
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