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https://github.com/love2d/love-android.git
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fysx
100 lines
2.5 KiB
C++
100 lines
2.5 KiB
C++
/**
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* Copyright (c) 2006-2014 LOVE Development Team
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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 damages
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* 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 purpose,
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* including commercial applications, and to alter it and redistribute it
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* 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 must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#include "CompressedData.h"
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#include "ddsHandler.h"
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namespace love
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{
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namespace image
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{
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namespace magpie
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{
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CompressedData::CompressedData(std::list<CompressedFormatHandler *> formats, love::filesystem::FileData *filedata)
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: formatHandlers(formats)
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{
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for (CompressedFormatHandler *handler : formatHandlers)
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handler->retain();
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load(filedata);
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}
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CompressedData::~CompressedData()
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{
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delete[] data;
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for (CompressedFormatHandler *handler : formatHandlers)
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handler->release();
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}
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void CompressedData::load(love::filesystem::FileData *filedata)
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{
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CompressedFormatHandler *parser = nullptr;
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for (CompressedFormatHandler *handler : formatHandlers)
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{
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if (handler->canParse(filedata))
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{
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parser = handler;
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break;
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}
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}
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if (parser == nullptr)
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throw love::Exception("Could not parse compressed data: Unknown format.");
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// SubImage vector will be populated by a parser.
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std::vector<SubImage> parsedimages;
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Format texformat = FORMAT_UNKNOWN;
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size_t newdata_size = 0;
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uint8 *newdata = parser->parse(filedata, parsedimages, newdata_size, texformat);
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if (newdata == nullptr)
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throw love::Exception("Could not parse compressed data.");
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if (texformat == FORMAT_UNKNOWN)
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{
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delete[] newdata;
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throw love::Exception("Could not parse compressed data: Unknown format.");
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}
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if (parsedimages.size() == 0 || newdata_size == 0)
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{
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delete[] newdata;
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throw love::Exception("Could not parse compressed data: No valid data?");
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}
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// Make sure to clean up any previously loaded data.
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delete[] data;
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data = newdata;
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dataSize = newdata_size;
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dataImages = parsedimages;
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format = texformat;
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}
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} // magpie
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} // image
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} // love
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