Program: gdcm
Module: $RCSfile: gdcmPixelReadConvert.h,v $
Language: C++
- Date: $Date: 2005/01/26 16:28:58 $
- Version: $Revision: 1.14 $
+ Date: $Date: 2007/08/22 16:14:04 $
+ Version: $Revision: 1.32 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
=========================================================================*/
-#ifndef GDCMPIXELREADCONVERT_H
-#define GDCMPIXELREADCONVERT_H
+#ifndef _GDCMPIXELREADCONVERT_H_
+#define _GDCMPIXELREADCONVERT_H_
-#include "gdcmCommon.h"
#include "gdcmBase.h"
+#include "gdcmFileHelper.h"
#include "gdcmException.h"
+#include "gdcmCommandManager.h"
-namespace gdcm
+#include <fstream>
+
+namespace GDCM_NAME_SPACE
{
class File;
class RLEFramesInfo;
class JPEGFragmentsInfo;
+typedef void (*VOID_FUNCTION_PUINT8_PFILE_POINTER)(uint8_t *, File *);
+
/**
* \brief Utility container for gathering the various forms the pixel data
* migth take during the user demanded processes.
+ * WARNING : *none* of these functions may be invoked by gdcm user
+ * (internal use only)
*/
class GDCM_EXPORT PixelReadConvert : public Base
{
-public:
+friend class FileHelper;
+
+private:
PixelReadConvert();
virtual ~PixelReadConvert();
- //// Getter accessors:
- uint8_t* GetRGB() { return RGB; }
- size_t GetRGBSize() { return RGBSize; }
- uint8_t* GetRaw() { return Raw; }
- size_t GetRawSize() { return RawSize; }
- uint8_t* GetLutRGBA() { return LutRGBA; }
-
- //// Predicates:
+ void Print( std::ostream &os = std::cout, std::string const &indent = "" );
+
+ // Getter accessors:
+ /// \brief returns pixel area holding RGB Pixels, made from Grey level + LUT
+ uint8_t *GetRGB() { return RGB; }
+ /// \brief returns pixel area length -RGB Pixels, (from Grey level + LUT)-
+ size_t GetRGBSize() { return RGBSize; }
+ /// \brief returns pixel area holding native RGB Pixels or Grey level
+ uint8_t *GetRaw() { return Raw; }
+ /// \brief returns pixel area size -native RGB Pixels or Grey level-
+ size_t GetRawSize() { return RawSize; }
+ /// \brief returns Red Green Blue Alpha LUT
+ uint8_t *GetLutRGBA() { return LutRGBA; }
+ /// \brief returns Lut Item Number
+ int GetLutItemNumber() { return LutItemNumber; }
+ /// \brief returns Lut Item Size
+ int GetLutItemSize() { return LutItemSize; }
+ // Predicates:
bool IsRawRGB();
- void Print( std::ostream &os = std::cout, std::string const & indent = "" );
-
// In progress
- void GrabInformationsFromFile( File *file );
+ void GrabInformationsFromFile( File *file, FileHelper *fileHelper );
bool ReadAndDecompressPixelData( std::ifstream *fp );
void Squeeze();
bool BuildRGBImage();
+ void BuildLUTRGBA();
+/// \brief Allow user to pass his own function to modify pixels
+/// (e.g; mirror, upsidedown, ...) just after reading
+ void SetUserFunction( VOID_FUNCTION_PUINT8_PFILE_POINTER userFunc )
+ { UserFunction = userFunc; }
-private:
// Use the fp:
- bool ReadAndDecompressRLEFragment(
- uint8_t *subDecompressed,
- long fragmentSize,
- long decompressedSegmentSize,
- std::ifstream *fp );
- void ReadAndDecompress12BitsTo16Bits( std::ifstream *fp ) throw ( FormatError );
- bool ReadAndDecompressRLEFile( std::ifstream *fp );
+ void ReadAndDecompress12BitsTo16Bits( std::ifstream *fp )
+ throw ( FormatError );
bool ReadAndDecompressJPEGFile( std::ifstream *fp );
- bool ReadAndDecompressJPEGFramesFromFile( std::ifstream *fp );
- bool ReadAndDecompressJPEGSingleFrameFragmentsFromFile( std::ifstream *fp );
- bool ReadAndDecompressJPEGFragmentedFramesFromFile( std::ifstream *fp );
-
-
- void BuildLUTRGBA( std::ifstream *fp );
// In place (within Decompressed and with no fp access) decompression
// or convertion:
- void BuildLUTRGBA();
- bool DecompressRLE16BitsFromRLE8Bits( int NumberOfFrames );
void ConvertSwapZone();
void ConvertReorderEndianity();
bool ConvertReArrangeBits() throw ( FormatError );
+ void ConvertFixGreyLevels();
void ConvertRGBPlanesToRGBPixels();
void ConvertYcBcRPlanesToRGBPixels();
void ConvertHandleColor();
void AllocateRGB();
void AllocateRaw();
+ void CallStartMethod();
+ void CallProgressMethod();
+ void CallEndMethod();
+
// Variables
- /// Pixel data represented as RGB after LUT color interpretation.
+/**
+ * \brief Pixel data represented as RGB after LUT color interpretation.
+ * 'uint8_t' is just to avoid warnings at compile time.
+ * feel free to cast it as uint16_t if you need
+ */
uint8_t *RGB;
/// Size of RGB image.
size_t RGBSize;
/// \brief Red/Green/Blue/Alpha LookUpTable build out of the
/// Red/Green/Blue LUT descriptors (see \ref BuildLUTRGBA ).
uint8_t *LutRGBA;
+ int LutItemNumber;
+ int LutItemSize;
+
+ // *ALL* the following info belong to the FileHelper
+ // One should think there is an analyze error in the model !
size_t PixelOffset;
size_t PixelDataLength;
int XSize;
int YSize;
int ZSize;
+ int TSize;
int BitsAllocated;
int BitsStored;
int HighBitPosition;
int SamplesPerPixel;
- int PixelSize;
+ //int PixelSize; // useless
bool PixelSign;
int SwapCode;
+ // cache whether this is a strange GE transfer syntax (which has
+ // one transfer syntax for the header and another for the pixel data).
+ bool IsPrivateGETransferSyntax;
+
bool IsRaw;
bool IsJPEG2000;
bool IsJPEGLS;
bool IsJPEGLossy;
bool IsJPEG;
bool IsRLELossless;
+ bool IsMPEG;
RLEFramesInfo *RLEInfo;
JPEGFragmentsInfo *JPEGInfo;
// For handling color stage
int PlanarConfiguration;
bool IsMonochrome;
+ bool IsMonochrome1;
bool IsPaletteColor;
bool IsYBRFull;
bool HasLUT;
uint8_t *LutRedData;
uint8_t *LutGreenData;
uint8_t *LutBlueData;
-
+
+ File *FileInternal; // must be passed to User Function
+ VOID_FUNCTION_PUINT8_PFILE_POINTER UserFunction;
+ /// Needed for the progression bar stuff
+ FileHelper *FH;
+ mutable bool Abort;
+ float Progress;
};
} // end namespace gdcm