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