mirror of
https://github.com/love2d/love.git
synced 2026-08-15 07:41:11 +02:00
Alex Szpakowski
128 lines
3.3 KiB
C++
128 lines
3.3 KiB
C++
/**
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* Copyright (c) 2006-2013 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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namespace love
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{
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namespace image
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{
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CompressedData::CompressedData()
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: format(FORMAT_UNKNOWN)
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{
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}
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CompressedData::~CompressedData()
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{
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}
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int CompressedData::getSize() const
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{
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// Adding up the total size for all mipmap levels would make more sense, but
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// it's probably better for getSize() to match getData() so no bad memory
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// accesses happen...
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if (dataImages.size() > 0)
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return dataImages[0].size;
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else
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return 0;
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}
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void *CompressedData::getData() const
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{
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// Data for different mipmap levels is not stored contiguously in memory, so
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// getData() won't work properly for CompressedData.
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if (dataImages.size() > 0 && dataImages[0].size > 0)
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return (void *) dataImages[0].data;
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else
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return 0;
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}
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int CompressedData::getMipmapCount() const
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{
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return dataImages.size();
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}
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int CompressedData::getSize(int miplevel) const
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{
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checkMipmapLevelExists(miplevel);
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return dataImages[miplevel].size;
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}
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void *CompressedData::getData(int miplevel) const
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{
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checkMipmapLevelExists(miplevel);
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return (void *) &dataImages[miplevel].data[0];
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}
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int CompressedData::getWidth(int miplevel) const
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{
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checkMipmapLevelExists(miplevel);
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return dataImages[miplevel].width;
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}
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int CompressedData::getHeight(int miplevel) const
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{
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checkMipmapLevelExists(miplevel);
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return dataImages[miplevel].height;
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}
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CompressedData::Format CompressedData::getFormat() const
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{
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return format;
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}
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void CompressedData::checkMipmapLevelExists(int miplevel) const
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{
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if (miplevel < 0 || miplevel >= (int) dataImages.size())
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throw love::Exception("Mipmap level %d does not exist", miplevel);
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}
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bool CompressedData::getConstant(const char *in, CompressedData::Format &out)
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{
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return formats.find(in, out);
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}
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bool CompressedData::getConstant(CompressedData::Format in, const char *&out)
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{
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return formats.find(in, out);
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}
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StringMap<CompressedData::Format, CompressedData::FORMAT_MAX_ENUM>::Entry CompressedData::formatEntries[] =
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{
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{"unknown", CompressedData::FORMAT_UNKNOWN},
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{"dxt1", CompressedData::FORMAT_DXT1},
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{"dxt3", CompressedData::FORMAT_DXT3},
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{"dxt5", CompressedData::FORMAT_DXT5},
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{"bc4", CompressedData::FORMAT_BC4},
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{"bc4s", CompressedData::FORMAT_BC4s},
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{"bc5", CompressedData::FORMAT_BC5},
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{"bc5s", CompressedData::FORMAT_BC5s},
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};
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StringMap<CompressedData::Format, CompressedData::FORMAT_MAX_ENUM> CompressedData::formats(CompressedData::formatEntries, sizeof(CompressedData::formatEntries));
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} // image
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} // love
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