|
DCMTK Version 3.6.9
OFFIS DICOM Toolkit
|
Template class to scale images (on pixel data level). More...
Inheritance diagram for DiScaleTemplate< T >:Public Member Functions | |
| DiScaleTemplate (const int planes, const Uint16 columns, const Uint16 rows, 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 Uint32 frames, const int bits=0) | |
| constructor, scale clipping area. | |
| DiScaleTemplate (const int planes, const Uint16 src_cols, const Uint16 src_rows, const Uint16 dest_cols, const Uint16 dest_rows, const Uint32 frames, const int bits=0) | |
| constructor, scale whole image. | |
| virtual | ~DiScaleTemplate () |
| destructor | |
| int | isSigned () const |
| check whether template type T is signed or not | |
| void | scaleData (const T *src[], T *dest[], const int interpolate, const T value=0) |
| choose scaling/clipping algorithm depending on specified parameters. | |
Protected Attributes | |
| const signed long | Left |
| left coordinate of clipping area | |
| const signed long | Top |
| top coordinate of clipping area | |
| const Uint16 | Columns |
| width of source image | |
| const Uint16 | Rows |
| height of source image | |
Protected Attributes inherited from DiTransTemplate< T > | |
| int | Planes |
| number of planes | |
| Uint16 | Src_X |
| width of source image | |
| Uint16 | Src_Y |
| height of source image | |
| const Uint16 | Dest_X |
| width of destination image | |
| const Uint16 | Dest_Y |
| height of destination image | |
| const Uint32 | Frames |
| number of frames | |
| const int | Bits |
| number of bits per plane/pixel | |
Private Member Functions | |
| void | clipPixel (const T *src[], T *dest[]) |
| clip image to specified area (only inside image boundaries). | |
| void | clipBorderPixel (const T *src[], T *dest[], const T value) |
| clip image to specified area and add a border if necessary | |
| void | replicatePixel (const T *src[], T *dest[]) |
| enlarge image by an integer factor. | |
| void | suppressPixel (const T *src[], T *dest[]) |
| shrink image by an integer divisor. | |
| void | scalePixel (const T *src[], T *dest[]) |
| free scaling method without interpolation. | |
| void | interpolatePixel (const T *src[], T *dest[]) |
| free scaling method with interpolation | |
| void | expandPixel (const T *src[], T *dest[]) |
| free scaling method with interpolation (only for magnification) | |
| void | reducePixel (const T *src[], T *dest[]) |
| free scaling method with interpolation (only for reduction) | |
| void | bilinearPixel (const T *src[], T *dest[]) |
| bilinear interpolation method (only for magnification) | |
| void | bicubicPixel (const T *src[], T *dest[]) |
| bicubic interpolation method (only for magnification) | |
Additional Inherited Members | |
Protected Member Functions inherited from DiTransTemplate< T > | |
| DiTransTemplate (const int planes, const Uint16 src_x, const Uint16 src_y, const Uint16 dest_x, const Uint16 dest_y, const Uint32 frames, const int bits=0) | |
| constructor | |
| virtual | ~DiTransTemplate () |
| destructor | |
| void | copyPixel (const T *src[], T *dest[]) |
| copy pixel data | |
| void | fillPixel (T *dest[], const T value) |
| fill pixel data with specified value | |
| void | clearPixel (T *dest[]) |
| clear pixel data (set values to 0) | |
Template class to scale images (on pixel data level).
with and without interpolation
|
inline |
constructor, scale clipping area.
| planes | number of planes (1 or 3) |
| columns | width of source image |
| rows | height of source image |
| left_pos | left coordinate of clipping area |
| top_pos | top coordinate of clipping area |
| src_cols | width of clipping area |
| src_rows | height of clipping area |
| dest_cols | width of destination image (scaled image) |
| dest_rows | height of destination image |
| frames | number of frames |
| bits | number of bits per plane/pixel |
References DiTransTemplate< T >::DiTransTemplate(), Columns, Left, Rows, and Top.
Referenced by DiColorScaleTemplate< T >::DiColorScaleTemplate(), and DiMonoScaleTemplate< T >::DiMonoScaleTemplate().
|
inline |
constructor, scale whole image.
| planes | number of planes (1 or 3) |
| src_cols | width of source image |
| src_rows | height of source image |
| dest_cols | width of destination image (scaled image) |
| dest_rows | height of destination image |
| frames | number of frames |
| bits | number of bits per plane/pixel |
References DiTransTemplate< T >::DiTransTemplate(), Columns, Left, Rows, and Top.
|
inlineprivate |
bicubic interpolation method (only for magnification)
| src | array of pointers to source image pixels |
| dest | array of pointers to destination image pixels |
References DiTransTemplate< T >::Bits, DiTransTemplate< T >::clearPixel(), Columns, DiTransTemplate< T >::Dest_X, DiTransTemplate< T >::Dest_Y, DiTransTemplate< T >::Frames, isSigned(), Left, DicomImageClass::maxval(), DiTransTemplate< T >::Planes, Rows, DiTransTemplate< T >::Src_X, DiTransTemplate< T >::Src_Y, and Top.
Referenced by scaleData().
|
inlineprivate |
bilinear interpolation method (only for magnification)
| src | array of pointers to source image pixels |
| dest | array of pointers to destination image pixels |
References DiTransTemplate< T >::clearPixel(), Columns, DiTransTemplate< T >::Dest_X, DiTransTemplate< T >::Dest_Y, DiTransTemplate< T >::Frames, Left, DiTransTemplate< T >::Planes, Rows, DiTransTemplate< T >::Src_X, DiTransTemplate< T >::Src_Y, and Top.
Referenced by scaleData().
|
inlineprivate |
clip image to specified area and add a border if necessary
| src | array of pointers to source image pixels |
| dest | array of pointers to destination image pixels |
| value | value to be set outside the image boundaries |
References Columns, DiTransTemplate< T >::Frames, Left, DiTransTemplate< T >::Planes, Rows, DiTransTemplate< T >::Src_X, DiTransTemplate< T >::Src_Y, and Top.
Referenced by scaleData().
|
inlineprivate |
clip image to specified area (only inside image boundaries).
This is an optimization of the more general method clipBorderPixel().
| src | array of pointers to source image pixels |
| dest | array of pointers to destination image pixels |
References Columns, DiTransTemplate< T >::Dest_X, DiTransTemplate< T >::Dest_Y, DiTransTemplate< T >::Frames, Left, DiTransTemplate< T >::Planes, Rows, DiTransTemplate< T >::Src_X, DiTransTemplate< T >::Src_Y, and Top.
Referenced by scaleData().
|
inlineprivate |
free scaling method with interpolation (only for magnification)
| src | array of pointers to source image pixels |
| dest | array of pointers to destination image pixels |
References Columns, DiTransTemplate< T >::Dest_X, DiTransTemplate< T >::Dest_Y, DiTransTemplate< T >::Frames, Left, DiTransTemplate< T >::Planes, Rows, DiTransTemplate< T >::Src_X, DiTransTemplate< T >::Src_Y, and Top.
Referenced by scaleData().
|
inlineprivate |
free scaling method with interpolation
| src | array of pointers to source image pixels |
| dest | array of pointers to destination image pixels |
References DiTransTemplate< T >::Bits, DiTransTemplate< T >::clearPixel(), Columns, DiTransTemplate< T >::Dest_X, DiTransTemplate< T >::Dest_Y, DiTransTemplate< T >::Frames, isSigned(), DicomImageClass::maxval(), DiTransTemplate< T >::Planes, Rows, DiTransTemplate< T >::Src_X, and DiTransTemplate< T >::Src_Y.
Referenced by scaleData().
|
inline |
check whether template type T is signed or not
References DiPixelRepresentationTemplate< T >::isSigned().
Referenced by bicubicPixel(), and interpolatePixel().
|
inlineprivate |
free scaling method with interpolation (only for reduction)
| src | array of pointers to source image pixels |
| dest | array of pointers to destination image pixels |
References Columns, DiTransTemplate< T >::Dest_X, DiTransTemplate< T >::Dest_Y, DiTransTemplate< T >::Frames, Left, DiTransTemplate< T >::Planes, Rows, DiTransTemplate< T >::Src_X, DiTransTemplate< T >::Src_Y, and Top.
Referenced by scaleData().
|
inlineprivate |
enlarge image by an integer factor.
Pixels are replicated independently in both directions.
| src | array of pointers to source image pixels |
| dest | array of pointers to destination image pixels |
References Columns, DiTransTemplate< T >::Dest_X, DiTransTemplate< T >::Dest_Y, DiTransTemplate< T >::Frames, Left, DiTransTemplate< T >::Planes, Rows, DiTransTemplate< T >::Src_X, DiTransTemplate< T >::Src_Y, and Top.
Referenced by scaleData().
|
inline |
choose scaling/clipping algorithm depending on specified parameters.
| src | array of pointers to source image pixels |
| dest | array of pointers to destination image pixels |
| interpolate | preferred interpolation algorithm (0 = no interpolation, 1 = pbmplus algorithm, 2 = c't algorithm, 3 = bilinear magnification, 4 = bicubic magnification) |
| value | value to be set outside the image boundaries (used for clipping, default: 0) |
References bicubicPixel(), bilinearPixel(), DiTransTemplate< T >::Bits, clipBorderPixel(), clipPixel(), Columns, DiTransTemplate< T >::copyPixel(), DiTransTemplate< T >::Dest_X, DiTransTemplate< T >::Dest_Y, expandPixel(), DiTransTemplate< T >::fillPixel(), interpolatePixel(), Left, reducePixel(), replicatePixel(), Rows, scalePixel(), DiTransTemplate< T >::Src_X, DiTransTemplate< T >::Src_Y, suppressPixel(), and Top.
Referenced by DiColorScaleTemplate< T >::scale(), and DiMonoScaleTemplate< T >::scale().
|
inlineprivate |
free scaling method without interpolation.
This algorithm is necessary for overlays (1 bpp).
| src | array of pointers to source image pixels |
| dest | array of pointers to destination image pixels |
References Columns, DiTransTemplate< T >::Dest_X, DiTransTemplate< T >::Dest_Y, DiTransTemplate< T >::Frames, Left, DiTransTemplate< T >::Planes, Rows, OFBitmanipTemplate< T >::setMem(), DiTransTemplate< T >::Src_X, DiTransTemplate< T >::Src_Y, and Top.
Referenced by scaleData().
|
inlineprivate |
shrink image by an integer divisor.
Pixels are suppressed independently in both directions.
| src | array of pointers to source image pixels |
| dest | array of pointers to destination image pixels |
References Columns, DiTransTemplate< T >::Dest_X, DiTransTemplate< T >::Dest_Y, DiTransTemplate< T >::Frames, Left, DiTransTemplate< T >::Planes, Rows, DiTransTemplate< T >::Src_X, DiTransTemplate< T >::Src_Y, and Top.
Referenced by scaleData().