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Preprocessor directives were changed or created by function "check_headers" from script adm/upgrade.tcl (CR24816)
116 lines
4.9 KiB
C++
116 lines
4.9 KiB
C++
// Created on: 2012-07-18
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// Created by: Kirill GAVRILOV
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// Copyright (c) 2012-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef Image_AlienPixMap_HeaderFile
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#define Image_AlienPixMap_HeaderFile
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#include <Image_PixMap.hxx>
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class TCollection_AsciiString;
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struct FIBITMAP;
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//! Image class that support file reading/writing operations using auxiliary image library.
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//! Supported image formats:
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//! - *.bmp - bitmap image, lossless format without compression.
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//! - *.ppm - PPM (Portable Pixmap Format), lossless format without compression.
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//! - *.png - PNG (Portable Network Graphics) lossless format with compression.
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//! - *.jpg, *.jpe, *.jpeg - JPEG/JIFF (Joint Photographic Experts Group) lossy format (compressed with quality losses). YUV color space used (automatically converted from/to RGB).
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//! - *.tif, *.tiff - TIFF (Tagged Image File Format).
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//! - *.tga - TGA (Truevision Targa Graphic), lossless format.
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//! - *.gif - GIF (Graphical Interchange Format), lossy format. Color stored using palette (up to 256 distinct colors).
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//! - *.exr - OpenEXR high dynamic-range format (supports float pixel formats).
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class Image_AlienPixMap : public Image_PixMap
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{
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DEFINE_STANDARD_RTTIEXT(Image_AlienPixMap, Image_PixMap)
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public:
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//! Return default rows order used by underlying image library.
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Standard_EXPORT static bool IsTopDownDefault();
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public:
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//! Empty constructor.
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Standard_EXPORT Image_AlienPixMap();
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//! Destructor
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Standard_EXPORT virtual ~Image_AlienPixMap();
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//! Read image data from file.
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bool Load (const TCollection_AsciiString& theFileName)
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{
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return Load (NULL, 0, theFileName);
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}
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//! Read image data from stream.
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Standard_EXPORT bool Load (std::istream& theStream,
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const TCollection_AsciiString& theFileName);
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//! Read image data from memory buffer.
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//! @param theData memory pointer to read from;
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//! when NULL, function will attempt to open theFileName file
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//! @param theLength memory buffer length
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//! @param theFileName optional file name
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Standard_EXPORT bool Load (const Standard_Byte* theData,
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Standard_Size theLength,
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const TCollection_AsciiString& theFileName);
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//! Write image data to file using file extension to determine compression format.
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Standard_EXPORT bool Save (const TCollection_AsciiString& theFileName);
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//! Initialize image plane with required dimensions.
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//! thePixelFormat - if specified pixel format doesn't supported by image library
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//! than nearest supported will be used instead!
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//! theSizeRowBytes - may be ignored by this class and required alignment will be used instead!
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Standard_EXPORT virtual bool InitTrash (Image_Format thePixelFormat,
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const Standard_Size theSizeX,
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const Standard_Size theSizeY,
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const Standard_Size theSizeRowBytes = 0) Standard_OVERRIDE;
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//! Initialize by copying data.
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Standard_EXPORT virtual bool InitCopy (const Image_PixMap& theCopy) Standard_OVERRIDE;
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//! Method correctly deallocate internal buffer.
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Standard_EXPORT virtual void Clear() Standard_OVERRIDE;
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//! Performs gamma correction on image.
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//! theGamma - gamma value to use; a value of 1.0 leaves the image alone
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Standard_EXPORT bool AdjustGamma (const Standard_Real theGammaCorr);
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private:
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FIBITMAP* myLibImage;
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private:
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//! Copying allowed only within Handles
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Image_AlienPixMap (const Image_AlienPixMap& );
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Image_AlienPixMap& operator= (const Image_AlienPixMap& );
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//! Wrapper initialization is disallowed for this class (will return false in any case)!
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//! Use only copying and allocation initializers.
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Standard_EXPORT virtual bool InitWrapper (Image_Format thePixelFormat,
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Standard_Byte* theDataPtr,
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const Standard_Size theSizeX,
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const Standard_Size theSizeY,
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const Standard_Size theSizeRowBytes) Standard_OVERRIDE;
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//! Built-in PPM export
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Standard_EXPORT bool savePPM (const TCollection_AsciiString& theFileName) const;
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};
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DEFINE_STANDARD_HANDLE(Image_AlienPixMap, Image_PixMap)
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#endif // _Image_AlienPixMap_H__
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