1 // Copyright (c) 2019 OPEN CASCADE SAS 2 // 3 // This file is part of Open CASCADE Technology software library. 4 // 5 // This library is free software; you can redistribute it and/or modify it under 6 // the terms of the GNU Lesser General Public License version 2.1 as published 7 // by the Free Software Foundation, with special exception defined in the file 8 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT 9 // distribution for complete text of the license and disclaimer of any warranty. 10 // 11 // Alternatively, this file may be used under the terms of Open CASCADE 12 // commercial license or contractual agreement. 13 14 #ifndef _Image_PixMapTypedData_Header 15 #define _Image_PixMapTypedData_Header 16 17 #include <Image_PixMapData.hxx> 18 19 //! Structure to manage image buffer with predefined pixel type. 20 template<typename PixelType_t> 21 class Image_PixMapTypedData : public Image_PixMapData 22 { 23 public: 24 //! Empty constructor. Image_PixMapTypedData()25 Image_PixMapTypedData() {} 26 27 //! Initializer. Init(const Handle (NCollection_BaseAllocator)& theAlloc,Standard_Size theSizeX,Standard_Size theSizeY,Standard_Size theSizeRowBytes=0,Standard_Byte * theDataPtr=0)28 bool Init (const Handle(NCollection_BaseAllocator)& theAlloc, 29 Standard_Size theSizeX, 30 Standard_Size theSizeY, 31 Standard_Size theSizeRowBytes = 0, 32 Standard_Byte* theDataPtr = 0) 33 { 34 const Standard_Size aSizeBPP = sizeof(PixelType_t); 35 return Image_PixMapData::Init (theAlloc, aSizeBPP, theSizeX, theSizeY, theSizeRowBytes, theDataPtr); 36 } 37 38 //! Reset all values to specified one. Init(const PixelType_t & theValue)39 void Init (const PixelType_t& theValue) 40 { 41 for (Standard_Size aRowIter = 0; aRowIter < SizeY; ++aRowIter) 42 { 43 for (Standard_Size aColIter = 0; aColIter < SizeX; ++aColIter) 44 { 45 ChangeValue (aRowIter, aColIter) = theValue; 46 } 47 } 48 } 49 50 //! @return data pointer to requested row (first column). Row(Standard_Size theRow) const51 const PixelType_t* Row (Standard_Size theRow) const { return (const PixelType_t* )Image_PixMapData::Row (theRow); } 52 53 //! @return data pointer to requested row (first column). ChangeRow(Standard_Size theRow)54 PixelType_t* ChangeRow (Standard_Size theRow) { return (PixelType_t* )Image_PixMapData::ChangeRow (theRow); } 55 56 //! @return data pointer to requested position. Value(Standard_Size theRow,Standard_Size theCol) const57 const PixelType_t& Value (Standard_Size theRow, Standard_Size theCol) const { return *(const PixelType_t* )Image_PixMapData::Value (theRow, theCol); } 58 59 //! @return data pointer to requested position. ChangeValue(Standard_Size theRow,Standard_Size theCol)60 PixelType_t& ChangeValue (Standard_Size theRow, Standard_Size theCol) { return *(PixelType_t* )Image_PixMapData::ChangeValue (theRow, theCol); } 61 62 }; 63 64 #endif // _Image_PixMapTypedData_Header 65