/usr/include/oce/Image_PixMapData.hxx is in liboce-visualization-dev 0.15-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | // Created on: 2014-07-18
// Created by: Kirill GAVRILOV
// Copyright (c) 2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and / or modify it
// under the terms of the GNU Lesser General Public version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _Image_PixMapData_H__
#define _Image_PixMapData_H__
#include <Image_Color.hxx>
//! POD template structure to access image buffer
template<typename ColorType_t>
struct Image_PixMapData
{
//! @return data pointer for low-level operations (copying entire buffer, parsing with extra tools etc.).
inline const ColorType_t* Data() const
{
return (const ColorType_t* )myDataPtr;
}
//! @return data pointer for low-level operations (copying entire buffer, parsing with extra tools etc.).
inline ColorType_t* ChangeData()
{
return (ColorType_t* )myDataPtr;
}
//! @return data pointer to requested row (first column).
inline const ColorType_t* Row (const Standard_Size theRow) const
{
return (ColorType_t* )(myTopRowPtr + mySizeRowBytes * theRow * myTopToDown);
}
//! @return data pointer to requested row (first column).
inline ColorType_t* ChangeRow (const Standard_Size theRow)
{
return (ColorType_t* )(myTopRowPtr + mySizeRowBytes * theRow * myTopToDown);
}
//! @return data pointer to requested position.
inline const ColorType_t& Value (const Standard_Size theRow,
const Standard_Size theCol) const
{
return *(const ColorType_t* )(myTopRowPtr + mySizeRowBytes * theRow * myTopToDown + mySizeBPP * theCol);
}
//! @return data pointer to requested position.
inline ColorType_t& ChangeValue (const Standard_Size theRow,
const Standard_Size theCol)
{
return *(ColorType_t* )(myTopRowPtr + mySizeRowBytes * theRow * myTopToDown + mySizeBPP * theCol);
}
//! Compute the maximal row alignment for current row size.
//! @return maximal row alignment in bytes (up to 16 bytes).
inline Standard_Size MaxRowAligmentBytes() const
{
Standard_Size anAlignment = 2;
for (; anAlignment <= 16; anAlignment <<= 1)
{
if ((mySizeRowBytes % anAlignment) != 0 || (Standard_Size(myDataPtr) % anAlignment) != 0)
{
return (anAlignment >> 1);
}
}
return anAlignment;
}
//! @return bytes allocated for the whole image plane.
inline Standard_Size SizeBytes() const
{
return mySizeRowBytes * mySizeY;
}
//! @return image width in pixels
inline Standard_Size SizeX() const
{
return mySizeX;
}
//! @return image height in pixels
inline Standard_Size SizeY() const
{
return mySizeY;
}
public:
Standard_Byte* myDataPtr; //!< pointer to the data
Standard_Byte* myTopRowPtr; //!< pointer to the topmost row (depending on scanlines order in memory)
Standard_Size mySizeBPP; //!< bytes per pixel
Standard_Size mySizeX; //!< width in pixels
Standard_Size mySizeY; //!< height in pixels
Standard_Size mySizeRowBytes; //!< number of bytes per line (in most cases equal to 3 * sizeX)
Standard_Size myTopToDown; //!< image scanlines direction in memory from Top to the Down
};
#endif // _Image_PixMapData_H__
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