/usr/include/dcmtk/dcmimage/dicoimg.h is in libdcmtk-dev 3.6.2-3build3.
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*
* Copyright (C) 1996-2016, OFFIS e.V.
* All rights reserved. See COPYRIGHT file for details.
*
* This software and supporting documentation were developed by
*
* OFFIS e.V.
* R&D Division Health
* Escherweg 2
* D-26121 Oldenburg, Germany
*
*
* Module: dcmimage
*
* Author: Joerg Riesmeier
*
* Purpose: DicomColorImage (Header)
*
*/
#ifndef DICOIMG_H
#define DICOIMG_H
#include "dcmtk/config/osconfig.h"
#include "dcmtk/dcmimgle/diimage.h"
#include "dcmtk/dcmimage/dicopx.h"
/*------------------------*
* forward declarations *
*------------------------*/
class DiColorOutputPixel;
/*---------------------*
* class declaration *
*---------------------*/
/** Base class for color images
*/
class DCMTK_DCMIMAGE_EXPORT DiColorImage
: public DiImage
{
public:
/** constructor
*
** @param docu pointer to the DICOM document
* @param status status of the image object
* @param spp sample per pixel (1, 3 or 4 depending on the color model)
* @param rgb specifies whether internal image representation is in RGB format
*/
DiColorImage(const DiDocument *docu,
const EI_Status status,
const int spp,
const OFBool rgb = OFTrue);
/** destructor
*/
virtual ~DiColorImage();
/** get color model of internal pixel representation.
*
** @return returns EPI_RGB or EPI_YBR_Full depending on the 'rgb' flag in the constructor
*/
virtual EP_Interpretation getInternalColorModel() const
{
return (RGBColorModel) ? EPI_RGB : EPI_YBR_Full;
}
/** get number of bytes required for the rendered output of a single frame
*
* @param bits number of bits for the output pixel data (depth)
*
** @return number of bytes if successful, 0 otherwise
*/
virtual unsigned long getOutputDataSize(const int bits = 0) const;
/** get pixel data with specified format.
* (memory is handled internally)
* The standard color model of the pixel data is RGB, but if the flag "rgb" is OFFalse
* and the original color model was YCbCr_Full or YCbCr_Full_422 YCbCr_Full is used instead.
*
** @param frame number of frame to be rendered
* @param bits number of bits per sample for the output pixel data (depth)
* @param planar 0 = color-by-pixel (R1G1B1...R2G2B2...R3G3B3...),
* 1 = color-by-plane (R1R2R3...G1G2G3...B1B2B3...)
*
** @return untyped pointer to the pixel data if successful, NULL otherwise
*/
const void *getOutputData(const unsigned long frame,
const int bits,
const int planar = 0);
/** get pixel data with specified format.
* (memory is handled externally)
* The standard color model of the pixel data is RGB, but if the flag "rgb" is OFFalse
* and the original color model was YCbCr_Full or YCbCr_Full_422 YCbCr_Full is used instead.
*
** @param buffer untyped pointer to the externally allocated memory buffer
* @param size size of the memory buffer in bytes (will be checked)
* @param frame number of frame to be rendered
* @param bits number of bits per sample for the output pixel data (depth)
* @param planar 0 = color-by-pixel (R1G1B1...R2G2B2...R3G3B3...)
* 1 = color-by-plane (R1R2R3...G1G2G3...B1B2B3...)
*
** @return status, true if successful, false otherwise
*/
int getOutputData(void *buffer,
const unsigned long size,
const unsigned long frame,
const int bits,
const int planar = 0);
/** get pixel data of specified plane.
* (memory is handled internally)
*
** @param plane index of color plane
*
** @return untyped pointer to the pixel data if successful, NULL otherwise
*/
const void *getOutputPlane(const int plane) const;
/** delete internally handled output memory buffer
* Save memory if data is no longer needed.
*/
void deleteOutputData();
/** create copy of current image object
*
** @param fstart first frame to be processed
* @param fcount number of frames
*
** @return pointer to new DicomImage object (NULL if an error occurred)
*/
DiImage *createImage(const unsigned long fstart,
const unsigned long fcount) const;
/** create scaled copy of specified (clipping) area of the current image object.
*
** @param left_pos x coordinate of top left corner of area to be scaled
* (referring to image origin, negative values create a border around the image)
* @param top_pos y coordinate of top left corner of area to be scaled
* @param src_cols width of area to be scaled
* @param src_rows height of area to be scaled
* @param dest_cols width of scaled image (in pixels)
* @param dest_rows height of scaled image (in pixels)
* @param interpolate specifies whether scaling algorithm should use interpolation (if necessary).
* default: no interpolation (0), preferred interpolation algorithm (if applicable):
* 1 = pbmplus algorithm, 2 = c't algorithm, 3 = bilinear magnification,
* 4 = bicubic magnification
* @param aspect specifies whether pixel aspect ratio should be taken into consideration
* (if true, width OR height should be 0, i.e. this component will be calculated
* automatically)
* @param pvalue dummy parameter (only used for monochrome images)
*
** @return pointer to new DiImage object (NULL if an error occurred)
*/
DiImage *createScale(const signed long left_pos,
const signed long top_pos,
const unsigned long src_cols,
const unsigned long src_rows,
const unsigned long dest_cols,
const unsigned long dest_rows,
const int interpolate,
const int aspect,
const Uint16 pvalue) const;
/** flip current image (horizontally and/or vertically)
*
** @param horz flip horizontally if true
* @param vert flip vertically if true
*
** @return true if successful (1 = flipped at least direction,
* 2 = not flipped, because of image resolution - width and/or height equal to 1),
* false otherwise
*/
int flip(const int horz,
const int vert);
/** create a flipped copy of the current image
*
** @param horz flip horizontally if true
* @param vert flip vertically if true
*
** @return pointer to new DiImage object (NULL if an error occurred)
*/
DiImage *createFlip(const int horz,
const int vert) const;
/** rotate current image (by steps of 90 degrees)
*
** @param degree angle by which the image shall be rotated (-360, -270, -180, -90, 0, 90, 180, 270, 360)
*
** @return true if successful (1 = rotated by at least 90 degrees,
* 2 = not rotated, because of image resolution or angle),
* false otherwise
*/
int rotate(const int degree);
/** create a rotated copy of the current image.
*
** @param degree angle by which the image shall be rotated
*
** @return pointer to new DiImage object (NULL if an error occurred)
*/
DiImage *createRotate(const int degree) const;
/** create monochrome copy of the current image
*
** @param red coefficient by which the red component is weighted
* @param green coefficient by which the green component is weighted
* @param blue coefficient by which the blue component is weighted
*
** @return pointer to new DiImage object (NULL if an error occurred)
*/
DiImage *createMono(const double red,
const double green,
const double blue) const;
/** get pointer to intermediate pixel data representation
*
** @return pointer to intermediate pixel data
*/
const DiPixel *getInterData() const
{
return InterData;
}
/** get pointer to intermediate pixel data representation
*
** @return pointer to intermediate pixel data
*/
const DiColorPixel *getColorInterData() const
{
return InterData;
}
/** create true color (24/32 bit) bitmap for MS Windows.
* memory is not handled internally - must be deleted from calling program.
*
** @param data untyped pointer memory buffer (set to NULL if not allocated externally)
* @param size size of the memory buffer in bytes (if 0 'data' is set to NULL)
* @param frame index of frame to be converted (starting from 0)
* @param bits number of bits per pixel used for the output bitmap (24 or 32)
* @param upsideDown specifies the order of lines in the images (0 = top-down, bottom-up otherwise)
* @param padding align each line to a 32-bit address if true (default)
*
** @return number of bytes allocated by the bitmap, or 0 if an error occurred
*/
unsigned long createDIB(void *&data,
const unsigned long size,
const unsigned long frame,
const int bits,
const int upsideDown,
const int padding = 1);
/** create true color (32 bit) bitmap for Java (AWT default format).
* Memory is not handled internally - must be deleted from calling program.
*
** @param data resulting pointer to bitmap data (set to NULL if an error occurred)
* @param frame index of frame to be converted (default: first frame)
* @param bits number of bits per pixel used for the output bitmap (32)
*
** @return number of bytes allocated by the bitmap, or 0 if an error occurred
*/
unsigned long createAWTBitmap(void *&data,
const unsigned long frame,
const int bits);
/** write current image and related attributes to DICOM dataset.
*
** @param dataset reference to DICOM dataset where the image attributes are stored
* @param mode dummy parameter (only used for monochrome images)
* @param planar flag, whether the output data (for multi-planar images) should be planar or not
*
** @return true if successful, false otherwise
*/
int writeImageToDataset(DcmItem &dataset,
const int mode,
const int planar);
/** write pixel data to PPM file.
* pixel data is written in ASCII format.
*
** @param stream open C++ output stream
* @param frame index of frame used for output
* @param bits number of bits used for output of pixel data
*
** @return true if successful, false otherwise
*/
int writePPM(STD_NAMESPACE ostream& stream,
const unsigned long frame,
const int bits);
/** write pixel data to PPM file.
* pixel data is written in ASCII format.
*
** @param stream open C output stream
* @param frame index of frame used for output
* @param bits number of bits used for output of pixel data
*
** @return true if successful, false otherwise
*/
int writePPM(FILE *stream,
const unsigned long frame,
const int bits);
/** write pixel data to raw PPM file
*
** @param stream open C output stream
* @param frame index of frame used for output
* @param bits number of bits used for output of pixel data
*
** @return true if successful, false otherwise
*/
int writeRawPPM(FILE *stream,
const unsigned long frame,
const int bits);
/** write pixel data to BMP file
*
** @param stream open C output stream
* @param frame index of frame used for output (default: first frame = 0)
* @param bits number of bits used for output of pixel data (24 or 32, default (0) = 24)
*
** @return true if successful, false otherwise
*/
int writeBMP(FILE *stream,
const unsigned long frame,
const int bits);
protected:
/** constructor, copy
*
** @param image pointer to reference image
* @param fstart first frame to be processed
* @param fcount number of frames
*/
DiColorImage(const DiColorImage *image,
const unsigned long fstart,
const unsigned long fcount);
/** constructor, scale/clip
*
** @param image pointer to reference image
* @param left_pos x coordinate of top left corner of area to be scaled
* (referring to image origin, negative values create a border around the image)
* @param top_pos y coordinate of top left corner of area to be scaled
* @param src_cols width of area to be scaled
* @param src_rows height of area to be scaled
* @param dest_cols width of scaled image (in pixels)
* @param dest_rows height of scaled image (in pixels)
* @param interpolate specifies whether scaling algorithm should use interpolation (if necessary).
* default: no interpolation (0), preferred interpolation algorithm (if applicable):
* 1 = pbmplus algorithm, 2 = c't algorithm, 3 = bilinear magnification,
* 4 = bicubic magnification
* @param aspect specifies whether pixel aspect ratio should be taken into consideration
* (if true, width OR height should be 0, i.e. this component will be calculated
* automatically)
*/
DiColorImage(const DiColorImage *image,
const signed long left_pos,
const signed long top_pos,
const Uint16 src_cols,
const Uint16 src_rows,
const Uint16 dest_cols,
const Uint16 dest_rows,
const int interpolate = 0,
const int aspect = 0);
/** constructor, flip
*
** @param image pointer to reference image
** @param horz flip horizontally if true
* @param vert flip vertically if true
*/
DiColorImage(const DiColorImage *image,
const int horz,
const int vert);
/** constructor, rotate
*
** @param image pointer to reference image
* @param degree angle by which the image shall be rotated
*/
DiColorImage(const DiColorImage *image,
const int degree);
/** check intermediate pixel representation for consistency
*
** @param mode check number of pixels stored in the dataset if true
*
** @return status, true if successful, false otherwise
*/
int checkInterData(const int mode = 1);
/** get pixel data with specified format.
* (memory is handled externally)
*
** @param buffer untyped pointer to the externally allocated memory buffer
* @param size size of the memory buffer in bytes (will be checked)
* @param frame number of frame to be rendered
* @param bits number of bits for the output pixel data (depth)
* @param planar flag, 0 = color-by-pixel and 1 = color-by-plane
*
** @return untyped pointer to the pixel data if successful, NULL otherwise
*/
const void *getData(void *buffer,
const unsigned long size,
const unsigned long frame,
const int bits,
const int planar);
/** update Image Pixel Module attributes in the given dataset.
* Removes color palette lookup tables. Used in writeXXXToDataset() routines.
*
** @param dataset reference to DICOM image dataset
*/
virtual void updateImagePixelModuleAttributes(DcmItem &dataset);
/// flag, indicating whether the intermediate representation uses the RGB color model
const OFBool RGBColorModel;
/// points to intermediate pixel data representation (object)
DiColorPixel *InterData;
private:
/// points to current output data (object)
DiColorOutputPixel *OutputData;
// --- declarations to avoid compiler warnings
DiColorImage(const DiColorImage &);
DiColorImage &operator=(const DiColorImage &);
};
#endif
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