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