Template class to scale images (on pixel data level). More...
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 | |
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 | |
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 Pixels are suppressed independently in both directions. | |
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 expansion). | |
void | reducePixel (const T *src[], T *dest[]) |
free scaling method with interpolation (only for reduction). |
Template class to scale images (on pixel data level).
with and without interpolation
Definition at line 100 of file discalet.h.
DiScaleTemplate< T >::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 | |||
) | [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 |
Definition at line 120 of file discalet.h.
DiScaleTemplate< T >::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 | |||
) | [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 |
Definition at line 149 of file discalet.h.
void DiScaleTemplate< T >::clipBorderPixel | ( | const T * | src[], | |
T * | dest[], | |||
const T | value | |||
) | [inline, private] |
clip image to specified area and add a border if necessary.
NOT fully tested - UNTESTED for multi-frame and multi-plane images !!
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 |
Definition at line 284 of file discalet.h.
References DiScaleTemplate< T >::Columns, DiTransTemplate< T >::Frames, DiScaleTemplate< T >::Left, DiTransTemplate< T >::Planes, DiScaleTemplate< T >::Rows, DiTransTemplate< T >::Src_X, DiTransTemplate< T >::Src_Y, and DiScaleTemplate< T >::Top.
Referenced by DiScaleTemplate< T >::scaleData().
void DiScaleTemplate< T >::clipPixel | ( | const T * | src[], | |
T * | dest[] | |||
) | [inline, private] |
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 |
Definition at line 251 of file discalet.h.
References DiScaleTemplate< T >::Columns, DiTransTemplate< T >::Dest_X, DiTransTemplate< T >::Dest_Y, DiTransTemplate< T >::Frames, DiScaleTemplate< T >::Left, DiTransTemplate< T >::Planes, DiScaleTemplate< T >::Rows, DiTransTemplate< T >::Src_X, DiTransTemplate< T >::Src_Y, and DiScaleTemplate< T >::Top.
Referenced by DiScaleTemplate< T >::scaleData().
void DiScaleTemplate< T >::expandPixel | ( | const T * | src[], | |
T * | dest[] | |||
) | [inline, private] |
free scaling method with interpolation (only for expansion).
src | array of pointers to source image pixels | |
dest | array of pointers to destination image pixels |
Definition at line 692 of file discalet.h.
References DicomImageClass::checkDebugLevel(), DiScaleTemplate< T >::Columns, DiTransTemplate< T >::Dest_X, DiTransTemplate< T >::Dest_Y, DicomImageClass::DL_Informationals, DiTransTemplate< T >::Frames, DiScaleTemplate< T >::Left, DiTransTemplate< T >::Planes, DiScaleTemplate< T >::Rows, DiTransTemplate< T >::Src_X, DiTransTemplate< T >::Src_Y, and DiScaleTemplate< T >::Top.
Referenced by DiScaleTemplate< T >::scaleData().
void DiScaleTemplate< T >::interpolatePixel | ( | const T * | src[], | |
T * | dest[] | |||
) | [inline, private] |
free scaling method with interpolation.
src | array of pointers to source image pixels | |
dest | array of pointers to destination image pixels |
Definition at line 518 of file discalet.h.
References DiTransTemplate< T >::Bits, DicomImageClass::checkDebugLevel(), DiScaleTemplate< T >::Columns, DiTransTemplate< T >::Dest_X, DiTransTemplate< T >::Dest_Y, DicomImageClass::DL_Errors, DiTransTemplate< T >::Frames, DiPixelRepresentationTemplate< T >::isSigned(), DicomImageClass::maxval(), DiTransTemplate< T >::Planes, DiScaleTemplate< T >::Rows, DiTransTemplate< T >::Src_X, and DiTransTemplate< T >::Src_Y.
Referenced by DiScaleTemplate< T >::scaleData().
void DiScaleTemplate< T >::reducePixel | ( | const T * | src[], | |
T * | dest[] | |||
) | [inline, private] |
free scaling method with interpolation (only for reduction).
src | array of pointers to source image pixels | |
dest | array of pointers to destination image pixels |
Definition at line 795 of file discalet.h.
References DicomImageClass::checkDebugLevel(), DiScaleTemplate< T >::Columns, DiTransTemplate< T >::Dest_X, DiTransTemplate< T >::Dest_Y, DicomImageClass::DL_Informationals, DicomImageClass::DL_Warnings, DiTransTemplate< T >::Frames, DiScaleTemplate< T >::Left, DiTransTemplate< T >::Planes, DiScaleTemplate< T >::Rows, DiTransTemplate< T >::Src_X, DiTransTemplate< T >::Src_Y, and DiScaleTemplate< T >::Top.
Referenced by DiScaleTemplate< T >::scaleData().
void DiScaleTemplate< T >::replicatePixel | ( | const T * | src[], | |
T * | dest[] | |||
) | [inline, private] |
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 |
Definition at line 359 of file discalet.h.
References DiScaleTemplate< T >::Columns, DiTransTemplate< T >::Dest_X, DiTransTemplate< T >::Dest_Y, DiTransTemplate< T >::Frames, DiScaleTemplate< T >::Left, DiTransTemplate< T >::Planes, DiScaleTemplate< T >::Rows, DiTransTemplate< T >::Src_X, DiTransTemplate< T >::Src_Y, and DiScaleTemplate< T >::Top.
Referenced by DiScaleTemplate< T >::scaleData().
void DiScaleTemplate< T >::scaleData | ( | const T * | src[], | |
T * | dest[], | |||
const int | interpolate, | |||
const T | value = 0 | |||
) | [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 | interpolation algorithm (0 = no interpolation, 1 = pbmplus algorithm, 2 = c't algorithm) | |
value | value to be set outside the image boundaries (used for clipping, default: 0) |
Definition at line 177 of file discalet.h.
References DiTransTemplate< T >::Bits, DicomImageClass::checkDebugLevel(), DiScaleTemplate< T >::clipBorderPixel(), DiScaleTemplate< T >::clipPixel(), DiScaleTemplate< T >::Columns, DiTransTemplate< T >::copyPixel(), DiTransTemplate< T >::Dest_X, DiTransTemplate< T >::Dest_Y, DicomImageClass::DL_DebugMessages, DicomImageClass::DL_Informationals, DiScaleTemplate< T >::expandPixel(), DiTransTemplate< T >::fillPixel(), DiScaleTemplate< T >::interpolatePixel(), DiScaleTemplate< T >::Left, DiScaleTemplate< T >::reducePixel(), DiScaleTemplate< T >::replicatePixel(), DiScaleTemplate< T >::Rows, DiScaleTemplate< T >::scalePixel(), DiTransTemplate< T >::Src_X, DiTransTemplate< T >::Src_Y, DiScaleTemplate< T >::suppressPixel(), and DiScaleTemplate< T >::Top.
Referenced by DiMonoScaleTemplate< T >::scale(), and DiColorScaleTemplate< T >::scale().
void DiScaleTemplate< T >::scalePixel | ( | const T * | src[], | |
T * | dest[] | |||
) | [inline, private] |
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 |
Definition at line 440 of file discalet.h.
References DiScaleTemplate< T >::Columns, DiTransTemplate< T >::Dest_X, DiTransTemplate< T >::Dest_Y, DiTransTemplate< T >::Frames, DiScaleTemplate< T >::Left, DiTransTemplate< T >::Planes, DiScaleTemplate< T >::Rows, DiTransTemplate< T >::Src_X, DiTransTemplate< T >::Src_Y, and DiScaleTemplate< T >::Top.
Referenced by DiScaleTemplate< T >::scaleData().
void DiScaleTemplate< T >::suppressPixel | ( | const T * | src[], | |
T * | dest[] | |||
) | [inline, private] |
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 |
Definition at line 404 of file discalet.h.
References DiScaleTemplate< T >::Columns, DiTransTemplate< T >::Dest_X, DiTransTemplate< T >::Dest_Y, DiTransTemplate< T >::Frames, DiScaleTemplate< T >::Left, DiTransTemplate< T >::Planes, DiScaleTemplate< T >::Rows, DiTransTemplate< T >::Src_X, DiTransTemplate< T >::Src_Y, and DiScaleTemplate< T >::Top.
Referenced by DiScaleTemplate< T >::scaleData().