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/**
* @file llblockdata.h
* @brief Image block structure
*
* $LicenseInfo:firstyear=2010&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLBLOCKDATA_H
#define LL_LLBLOCKDATA_H
#include "stdtypes.h"
//////////////////////////////////////////////////
//
// This class stores all of the information about
// a single channel of raw data, either integer
// or floating point.
//
class LLBlockData
{
protected:
U32 mType;
U32 mWidth;
U32 mHeight;
U32 mRowStride;
U8 *mData;
public:
enum
{
BLOCK_TYPE_U32 = 1,
BLOCK_TYPE_F32 = 2
};
LLBlockData(const U32 type);
virtual ~LLBlockData() {}
void setData(U8 *data, const U32 width, const U32 height, const U32 row_stride = 0);
U32 getType() const;
U8 *getData() const;
virtual U32 getSize() const;
U32 getWidth() const;
U32 getHeight() const;
U32 getRowStride() const;
};
class LLBlockDataU32 : public LLBlockData
{
protected:
U32 mPrecision;
public:
LLBlockDataU32();
void setData(U32 *data, const U32 width, const U32 height, const U32 row_stride = 0);
void setPrecision(const U32 bits);
/*virtual*/ U32 getSize() const;
U32 getPrecision() const;
};
class LLBlockDataF32 : public LLBlockData
{
protected:
U32 mPrecision;
F32 mMin;
F32 mMax;
public:
LLBlockDataF32()
: LLBlockData(LLBlockData::BLOCK_TYPE_F32),
mPrecision(0),
mMin(0.f),
mMax(0.f)
{};
void setData(F32 *data, const U32 width, const U32 height, const U32 row_stride = 0);
void setPrecision(const U32 bits);
void setMin(const F32 min);
void setMax(const F32 max);
void calcMinMax();
U32 getPrecision() const;
F32 getMin() const;
F32 getMax() const;
};
#endif // LL_LLBLOCKDATA_H
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