+++ /dev/null
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-// If you do not agree to this license, do not download, install,
-// copy or use the software.
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-// Intel License Agreement
-// For Open Source Computer Vision Library
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-// Third party copyrights are property of their respective owners.
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-
-#ifndef _CV_HPP_
-#define _CV_HPP_
-
-#ifdef __cplusplus
-
-/****************************************************************************************\
-* CvBaseImageFilter: Base class for filtering operations *
-\****************************************************************************************/
-
-#define CV_WHOLE 0
-#define CV_START 1
-#define CV_END 2
-#define CV_MIDDLE 4
-#define CV_ISOLATED_ROI 8
-
-typedef void (*CvRowFilterFunc)( const uchar* src, uchar* dst, void* params );
-typedef void (*CvColumnFilterFunc)( uchar** src, uchar* dst, int dst_step, int count, void* params );
-
-class CV_EXPORTS CvBaseImageFilter
-{
-public:
- CvBaseImageFilter();
- /* calls init() */
- CvBaseImageFilter( int _max_width, int _src_type, int _dst_type,
- bool _is_separable, CvSize _ksize,
- CvPoint _anchor=cvPoint(-1,-1),
- int _border_mode=IPL_BORDER_REPLICATE,
- CvScalar _border_value=cvScalarAll(0) );
- virtual ~CvBaseImageFilter();
-
- /* initializes the class for processing an image of maximal width _max_width,
- input image has data type _src_type, the output will have _dst_type.
- _is_separable != 0 if the filter is separable
- (specific behaviour is defined in a derived class), 0 otherwise.
- _ksize and _anchor specify the kernel size and the anchor point. _anchor=(-1,-1) means
- that the anchor is at the center.
- to get interpolate pixel values outside the image _border_mode=IPL_BORDER_*** is used,
- _border_value specify the pixel value in case of IPL_BORDER_CONSTANT border mode.
- before initialization clear() is called if necessary.
- */
- virtual void init( int _max_width, int _src_type, int _dst_type,
- bool _is_separable, CvSize _ksize,
- CvPoint _anchor=cvPoint(-1,-1),
- int _border_mode=IPL_BORDER_REPLICATE,
- CvScalar _border_value=cvScalarAll(0) );
- /* releases all the internal buffers.
- for the further use of the object, init() needs to be called. */
- virtual void clear();
- /* processes input image or a part of it.
- input is represented either as matrix (CvMat* src)
- or a list of row pointers (uchar** src2).
- in the later case width, _src_y1 and _src_y2 are used to specify the size.
- _dst is the output image/matrix.
- _src_roi specifies the roi inside the input image to process,
- (0,0,-1,-1) denotes the whole image.
- _dst_origin is the upper-left corner of the filtered roi within the output image.
- _phase is either CV_START, or CV_END, or CV_MIDDLE, or CV_START|CV_END, or CV_WHOLE,
- which is the same as CV_START|CV_END.
- CV_START means that the input is the first (top) stripe of the processed image [roi],
- CV_END - the input is the last (bottom) stripe of the processed image [roi],
- CV_MIDDLE - the input is neither first nor last stripe.
- CV_WHOLE - the input is the whole processed image [roi].
- */
- virtual int process( const CvMat* _src, CvMat* _dst,
- CvRect _src_roi=cvRect(0,0,-1,-1),
- CvPoint _dst_origin=cvPoint(0,0), int _flags=0 );
- /* retrieve various parameters of the filtering object */
- int get_src_type() const { return src_type; }
- int get_dst_type() const { return dst_type; }
- int get_work_type() const { return work_type; }
- CvSize get_kernel_size() const { return ksize; }
- CvPoint get_anchor() const { return anchor; }
- int get_width() const { return prev_x_range.end_index - prev_x_range.start_index; }
- CvRowFilterFunc get_x_filter_func() const { return x_func; }
- CvColumnFilterFunc get_y_filter_func() const { return y_func; }
-
-protected:
- /* initializes work_type, buf_size and max_rows */
- virtual void get_work_params();
- /* it is called (not always) from process when _phase=CV_START or CV_WHOLE.
- the method initializes ring buffer (buf_end, buf_head, buf_tail, buf_count, rows),
- prev_width, prev_x_range, const_row, border_tab, border_tab_sz* */
- virtual void start_process( CvSlice x_range, int width );
- /* forms pointers to "virtual rows" above or below the processed roi using the specified
- border mode */
- virtual void make_y_border( int row_count, int top_rows, int bottom_rows );
-
- virtual int fill_cyclic_buffer( const uchar* src, int src_step,
- int y, int y1, int y2 );
-
- enum { ALIGN=32 };
-
- int max_width;
- /* currently, work_type must be the same as src_type in case of non-separable filters */
- int min_depth, src_type, dst_type, work_type;
-
- /* pointers to convolution functions, initialized by init method.
- for non-separable filters only y_conv should be set */
- CvRowFilterFunc x_func;
- CvColumnFilterFunc y_func;
-
- uchar* buffer;
- uchar** rows;
- int top_rows, bottom_rows, max_rows;
- uchar *buf_start, *buf_end, *buf_head, *buf_tail;
- int buf_size, buf_step, buf_count, buf_max_count;
-
- bool is_separable;
- CvSize ksize;
- CvPoint anchor;
- int max_ky, border_mode;
- CvScalar border_value;
- uchar* const_row;
- int* border_tab;
- int border_tab_sz1, border_tab_sz;
-
- CvSlice prev_x_range;
- int prev_width;
-};
-
-
-/* Derived class, for linear separable filtering. */
-class CV_EXPORTS CvSepFilter : public CvBaseImageFilter
-{
-public:
- CvSepFilter();
- CvSepFilter( int _max_width, int _src_type, int _dst_type,
- const CvMat* _kx, const CvMat* _ky,
- CvPoint _anchor=cvPoint(-1,-1),
- int _border_mode=IPL_BORDER_REPLICATE,
- CvScalar _border_value=cvScalarAll(0) );
- virtual ~CvSepFilter();
-
- virtual void init( int _max_width, int _src_type, int _dst_type,
- const CvMat* _kx, const CvMat* _ky,
- CvPoint _anchor=cvPoint(-1,-1),
- int _border_mode=IPL_BORDER_REPLICATE,
- CvScalar _border_value=cvScalarAll(0) );
- virtual void init_deriv( int _max_width, int _src_type, int _dst_type,
- int dx, int dy, int aperture_size, int flags=0 );
- virtual void init_gaussian( int _max_width, int _src_type, int _dst_type,
- int gaussian_size, double sigma );
-
- /* dummy method to avoid compiler warnings */
- virtual void init( int _max_width, int _src_type, int _dst_type,
- bool _is_separable, CvSize _ksize,
- CvPoint _anchor=cvPoint(-1,-1),
- int _border_mode=IPL_BORDER_REPLICATE,
- CvScalar _border_value=cvScalarAll(0) );
-
- virtual void clear();
- const CvMat* get_x_kernel() const { return kx; }
- const CvMat* get_y_kernel() const { return ky; }
- int get_x_kernel_flags() const { return kx_flags; }
- int get_y_kernel_flags() const { return ky_flags; }
-
- enum { GENERIC=0, ASYMMETRICAL=1, SYMMETRICAL=2, POSITIVE=4, SUM_TO_1=8, INTEGER=16 };
- enum { NORMALIZE_KERNEL=1, FLIP_KERNEL=2 };
-
- static void init_gaussian_kernel( CvMat* kernel, double sigma=-1 );
- static void init_sobel_kernel( CvMat* _kx, CvMat* _ky, int dx, int dy, int flags=0 );
- static void init_scharr_kernel( CvMat* _kx, CvMat* _ky, int dx, int dy, int flags=0 );
-
-protected:
- CvMat *kx, *ky;
- int kx_flags, ky_flags;
-};
-
-
-/* Derived class, for linear non-separable filtering. */
-class CV_EXPORTS CvLinearFilter : public CvBaseImageFilter
-{
-public:
- CvLinearFilter();
- CvLinearFilter( int _max_width, int _src_type, int _dst_type,
- const CvMat* _kernel,
- CvPoint _anchor=cvPoint(-1,-1),
- int _border_mode=IPL_BORDER_REPLICATE,
- CvScalar _border_value=cvScalarAll(0) );
- virtual ~CvLinearFilter();
-
- virtual void init( int _max_width, int _src_type, int _dst_type,
- const CvMat* _kernel,
- CvPoint _anchor=cvPoint(-1,-1),
- int _border_mode=IPL_BORDER_REPLICATE,
- CvScalar _border_value=cvScalarAll(0) );
-
- /* dummy method to avoid compiler warnings */
- virtual void init( int _max_width, int _src_type, int _dst_type,
- bool _is_separable, CvSize _ksize,
- CvPoint _anchor=cvPoint(-1,-1),
- int _border_mode=IPL_BORDER_REPLICATE,
- CvScalar _border_value=cvScalarAll(0) );
-
- virtual void clear();
- const CvMat* get_kernel() const { return kernel; }
- uchar* get_kernel_sparse_buf() { return k_sparse; }
- int get_kernel_sparse_count() const { return k_sparse_count; }
-
-protected:
- CvMat *kernel;
- uchar* k_sparse;
- int k_sparse_count;
-};
-
-
-/* Box filter ("all 1's", optionally normalized) filter. */
-class CV_EXPORTS CvBoxFilter : public CvBaseImageFilter
-{
-public:
- CvBoxFilter();
- CvBoxFilter( int _max_width, int _src_type, int _dst_type,
- bool _normalized, CvSize _ksize,
- CvPoint _anchor=cvPoint(-1,-1),
- int _border_mode=IPL_BORDER_REPLICATE,
- CvScalar _border_value=cvScalarAll(0) );
- virtual void init( int _max_width, int _src_type, int _dst_type,
- bool _normalized, CvSize _ksize,
- CvPoint _anchor=cvPoint(-1,-1),
- int _border_mode=IPL_BORDER_REPLICATE,
- CvScalar _border_value=cvScalarAll(0) );
-
- virtual ~CvBoxFilter();
- bool is_normalized() const { return normalized; }
- double get_scale() const { return scale; }
- uchar* get_sum_buf() { return sum; }
- int* get_sum_count_ptr() { return &sum_count; }
-
-protected:
- virtual void start_process( CvSlice x_range, int width );
-
- uchar* sum;
- int sum_count;
- bool normalized;
- double scale;
-};
-
-
-/* Laplacian operator: (d2/dx + d2/dy)I. */
-class CV_EXPORTS CvLaplaceFilter : public CvSepFilter
-{
-public:
- CvLaplaceFilter();
- CvLaplaceFilter( int _max_width, int _src_type, int _dst_type,
- bool _normalized, int _ksize,
- int _border_mode=IPL_BORDER_REPLICATE,
- CvScalar _border_value=cvScalarAll(0) );
- virtual ~CvLaplaceFilter();
- virtual void init( int _max_width, int _src_type, int _dst_type,
- bool _normalized, int _ksize,
- int _border_mode=IPL_BORDER_REPLICATE,
- CvScalar _border_value=cvScalarAll(0) );
-
- /* dummy methods to avoid compiler warnings */
- virtual void init( int _max_width, int _src_type, int _dst_type,
- bool _is_separable, CvSize _ksize,
- CvPoint _anchor=cvPoint(-1,-1),
- int _border_mode=IPL_BORDER_REPLICATE,
- CvScalar _border_value=cvScalarAll(0) );
-
- virtual void init( int _max_width, int _src_type, int _dst_type,
- const CvMat* _kx, const CvMat* _ky,
- CvPoint _anchor=cvPoint(-1,-1),
- int _border_mode=IPL_BORDER_REPLICATE,
- CvScalar _border_value=cvScalarAll(0) );
-
- bool is_normalized() const { return normalized; }
- bool is_basic_laplacian() const { return basic_laplacian; }
-protected:
- void get_work_params();
-
- bool basic_laplacian;
- bool normalized;
-};
-
-
-/* basic morphological operations: erosion & dilation */
-class CV_EXPORTS CvMorphology : public CvBaseImageFilter
-{
-public:
- CvMorphology();
- CvMorphology( int _operation, int _max_width, int _src_dst_type,
- int _element_shape, CvMat* _element,
- CvSize _ksize=cvSize(0,0), CvPoint _anchor=cvPoint(-1,-1),
- int _border_mode=IPL_BORDER_REPLICATE,
- CvScalar _border_value=cvScalarAll(0) );
- virtual ~CvMorphology();
- virtual void init( int _operation, int _max_width, int _src_dst_type,
- int _element_shape, CvMat* _element,
- CvSize _ksize=cvSize(0,0), CvPoint _anchor=cvPoint(-1,-1),
- int _border_mode=IPL_BORDER_REPLICATE,
- CvScalar _border_value=cvScalarAll(0) );
-
- /* dummy method to avoid compiler warnings */
- virtual void init( int _max_width, int _src_type, int _dst_type,
- bool _is_separable, CvSize _ksize,
- CvPoint _anchor=cvPoint(-1,-1),
- int _border_mode=IPL_BORDER_REPLICATE,
- CvScalar _border_value=cvScalarAll(0) );
-
- virtual void clear();
- const CvMat* get_element() const { return element; }
- int get_element_shape() const { return el_shape; }
- int get_operation() const { return operation; }
- uchar* get_element_sparse_buf() { return el_sparse; }
- int get_element_sparse_count() const { return el_sparse_count; }
-
- enum { RECT=0, CROSS=1, ELLIPSE=2, CUSTOM=100, BINARY = 0, GRAYSCALE=256 };
- enum { ERODE=0, DILATE=1 };
-
- static void init_binary_element( CvMat* _element, int _element_shape,
- CvPoint _anchor=cvPoint(-1,-1) );
-protected:
-
- void start_process( CvSlice x_range, int width );
- int fill_cyclic_buffer( const uchar* src, int src_step,
- int y0, int y1, int y2 );
- uchar* el_sparse;
- int el_sparse_count;
-
- CvMat *element;
- int el_shape;
- int operation;
-};
-
-
-#endif /* __cplusplus */
-
-#endif /* _CV_HPP_ */
-
-/* End of file. */
projects / opencv / blobdiff