50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
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/*
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* This confidential and proprietary software may be used only as
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* authorised by a licensing agreement from ARM Limited
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* (C) COPYRIGHT 2012 ARM Limited
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* ALL RIGHTS RESERVED
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* The entire notice above must be reproduced on all authorised
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* copies and copies may only be made to the extent permitted
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* by a licensing agreement from ARM Limited.
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*/
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#include "stdneb.h"
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#include "ETC_Header.h"
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ETCHeader::ETCHeader(unsigned char *data)
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{
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/*
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* Load from a ETC compressed pkm image file.
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* First 6 bytes are the name of the file format and version/packing type.
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* Bytes 7 and 8 are blank.
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*/
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/* Beware endianess issues with most/least significant bits of the height and width. */
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paddedWidthMSB = data[8];
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paddedWidthLSB = data[9];
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paddedHeightMSB = data[10];
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paddedHeightLSB = data[11];
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widthMSB = data[12];
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widthLSB = data[13];
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heightMSB = data[14];
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heightLSB = data[15];
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}
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unsigned short ETCHeader::getWidth(void)
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{
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return (widthMSB << 8) | widthLSB;
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}
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unsigned short ETCHeader::getHeight(void)
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{
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return (heightMSB << 8) | heightLSB;
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}
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unsigned short ETCHeader::getPaddedWidth(void)
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{
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return (paddedWidthMSB << 8) | paddedWidthLSB;
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}
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unsigned short ETCHeader::getPaddedHeight(void)
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{
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return (paddedHeightMSB << 8) | paddedHeightLSB;
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}
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