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/*
* Copyright 2015 The Etc2Comp Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "EtcColorFloatRGBA.h"
#include "EtcImage.h"
#include "Etc.h"
namespace Etc
{
class FileHeader;
class SourceImage;
class File
{
public:
enum class Format
{
INFER_FROM_FILE_EXTENSION,
PKM,
KTX,
};
File(const char *a_pstrFilename, Format a_fileformat, Image::Format a_imageformat,
unsigned char *a_paucEncodingBits, unsigned int a_uiEncodingBitsBytes,
unsigned int a_uiSourceWidth, unsigned int a_uiSourceHeight,
unsigned int a_uiExtendedWidth, unsigned int a_uiExtendedHeight);
File(const char *a_pstrFilename, Format a_fileformat, Image::Format a_imageformat,
unsigned int a_uiNumMipmaps, RawImage *pMipmapImages,
unsigned int a_uiSourceWidth, unsigned int a_uiSourceHeight );
File(const char *a_pstrFilename, Format a_fileformat);
~File();
const char *GetFilename(void) { return m_pstrFilename; }
void Read(const char *a_pstrFilename);
void Write(void);
inline unsigned int GetSourceWidth(void)
{
return m_uiSourceWidth;
}
inline unsigned int GetSourceHeight(void)
{
return m_uiSourceHeight;
}
inline unsigned int GetExtendedWidth(unsigned int mipmapIndex = 0)
{
if (mipmapIndex < m_uiNumMipmaps)
{
return m_pMipmapImages[mipmapIndex].uiExtendedWidth;
}
else
{
return 0;
}
}
inline unsigned int GetExtendedHeight(unsigned int mipmapIndex = 0)
{
if (mipmapIndex < m_uiNumMipmaps)
{
return m_pMipmapImages[mipmapIndex].uiExtendedHeight;
}
else
{
return 0;
}
}
inline Image::Format GetImageFormat()
{
return m_imageformat;
}
inline unsigned int GetEncodingBitsBytes(unsigned int mipmapIndex = 0)
{
if (mipmapIndex < m_uiNumMipmaps)
{
return m_pMipmapImages[mipmapIndex].uiEncodingBitsBytes;
}
else
{
return 0;
}
}
inline unsigned char* GetEncodingBits(unsigned int mipmapIndex = 0)
{
if( mipmapIndex < m_uiNumMipmaps)
{
return m_pMipmapImages[mipmapIndex].paucEncodingBits.get();
}
else
{
return nullptr;
}
}
inline unsigned int GetNumMipmaps()
{
return m_uiNumMipmaps;
}
void UseSingleBlock(int a_iPixelX = -1, int a_iPixelY = -1);
private:
char *m_pstrFilename; // includes directory path and file extension
Format m_fileformat;
Image::Format m_imageformat;
FileHeader *m_pheader;
unsigned int m_uiNumMipmaps;
RawImage* m_pMipmapImages;
unsigned int m_uiSourceWidth;
unsigned int m_uiSourceHeight;
};
}
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