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/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// Intel License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000, Intel Corporation, all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of Intel Corporation may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#include "precomp.hpp"
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namespace cv
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{
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enum { XY_SHIFT = 16, XY_ONE = 1 << XY_SHIFT, DRAWING_STORAGE_BLOCK = (1<<12) - 256 };
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struct PolyEdge
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{
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PolyEdge() : y0(0), y1(0), x(0), dx(0), next(0) {}
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//PolyEdge(int _y0, int _y1, int _x, int _dx) : y0(_y0), y1(_y1), x(_x), dx(_dx) {}
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int y0, y1;
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int x, dx;
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PolyEdge *next;
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};
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static void
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CollectPolyEdges( Mat& img, const Point* v, int npts,
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vector<PolyEdge>& edges, const void* color, int line_type,
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int shift, Point offset=Point() );
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static void
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FillEdgeCollection( Mat& img, vector<PolyEdge>& edges, const void* color );
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static void
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PolyLine( Mat& img, const Point* v, int npts, bool closed,
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const void* color, int thickness, int line_type, int shift );
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static void
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FillConvexPoly( Mat& img, const Point* v, int npts,
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const void* color, int line_type, int shift );
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/****************************************************************************************\
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* Lines *
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\****************************************************************************************/
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bool clipLine( Size img_size, Point& pt1, Point& pt2 )
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{
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int64 x1, y1, x2, y2;
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int c1, c2;
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int64 right = img_size.width-1, bottom = img_size.height-1;
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if( img_size.width <= 0 || img_size.height <= 0 )
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return false;
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x1 = pt1.x; y1 = pt1.y; x2 = pt2.x; y2 = pt2.y;
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c1 = (x1 < 0) + (x1 > right) * 2 + (y1 < 0) * 4 + (y1 > bottom) * 8;
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c2 = (x2 < 0) + (x2 > right) * 2 + (y2 < 0) * 4 + (y2 > bottom) * 8;
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if( (c1 & c2) == 0 && (c1 | c2) != 0 )
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{
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int64 a;
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if( c1 & 12 )
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{
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a = c1 < 8 ? 0 : bottom;
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x1 += (int64) (((int64) (a - y1)) * (x2 - x1) / (y2 - y1));
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y1 = a;
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c1 = (x1 < 0) + (x1 > right) * 2;
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}
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if( c2 & 12 )
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{
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a = c2 < 8 ? 0 : bottom;
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x2 += (int64) (((int64) (a - y2)) * (x2 - x1) / (y2 - y1));
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y2 = a;
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c2 = (x2 < 0) + (x2 > right) * 2;
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}
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if( (c1 & c2) == 0 && (c1 | c2) != 0 )
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{
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if( c1 )
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{
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a = c1 == 1 ? 0 : right;
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y1 += (int64) (((int64) (a - x1)) * (y2 - y1) / (x2 - x1));
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x1 = a;
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c1 = 0;
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}
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if( c2 )
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{
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a = c2 == 1 ? 0 : right;
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y2 += (int64) (((int64) (a - x2)) * (y2 - y1) / (x2 - x1));
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x2 = a;
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c2 = 0;
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}
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}
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assert( (c1 & c2) != 0 || (x1 | y1 | x2 | y2) >= 0 );
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pt1.x = (int)x1;
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pt1.y = (int)y1;
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pt2.x = (int)x2;
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pt2.y = (int)y2;
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}
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return (c1 | c2) == 0;
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}
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bool clipLine( Rect img_rect, Point& pt1, Point& pt2 )
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{
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Point tl = img_rect.tl();
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pt1 -= tl; pt2 -= tl;
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bool inside = clipLine(img_rect.size(), pt1, pt2);
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pt1 += tl; pt2 += tl;
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return inside;
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}
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/*
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Initializes line iterator.
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Returns number of points on the line or negative number if error.
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*/
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LineIterator::LineIterator(const Mat& img, Point pt1, Point pt2,
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int connectivity, bool left_to_right)
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{
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count = -1;
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CV_Assert( connectivity == 8 || connectivity == 4 );
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if( (unsigned)pt1.x >= (unsigned)(img.cols) ||
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(unsigned)pt2.x >= (unsigned)(img.cols) ||
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(unsigned)pt1.y >= (unsigned)(img.rows) ||
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(unsigned)pt2.y >= (unsigned)(img.rows) )
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{
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if( !clipLine( img.size(), pt1, pt2 ) )
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{
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ptr = img.data;
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err = plusDelta = minusDelta = plusStep = minusStep = count = 0;
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return;
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}
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}
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int bt_pix0 = (int)img.elemSize(), bt_pix = bt_pix0;
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size_t step = img.step;
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int dx = pt2.x - pt1.x;
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int dy = pt2.y - pt1.y;
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int s = dx < 0 ? -1 : 0;
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if( left_to_right )
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{
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dx = (dx ^ s) - s;
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dy = (dy ^ s) - s;
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pt1.x ^= (pt1.x ^ pt2.x) & s;
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pt1.y ^= (pt1.y ^ pt2.y) & s;
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}
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else
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{
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dx = (dx ^ s) - s;
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bt_pix = (bt_pix ^ s) - s;
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}
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ptr = (uchar*)(img.data + pt1.y * step + pt1.x * bt_pix0);
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s = dy < 0 ? -1 : 0;
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dy = (dy ^ s) - s;
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step = (step ^ s) - s;
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s = dy > dx ? -1 : 0;
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/* conditional swaps */
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dx ^= dy & s;
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dy ^= dx & s;
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dx ^= dy & s;
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bt_pix ^= step & s;
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step ^= bt_pix & s;
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bt_pix ^= step & s;
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if( connectivity == 8 )
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{
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assert( dx >= 0 && dy >= 0 );
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err = dx - (dy + dy);
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plusDelta = dx + dx;
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minusDelta = -(dy + dy);
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plusStep = (int)step;
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minusStep = bt_pix;
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count = dx + 1;
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}
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else /* connectivity == 4 */
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{
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assert( dx >= 0 && dy >= 0 );
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err = 0;
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plusDelta = (dx + dx) + (dy + dy);
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minusDelta = -(dy + dy);
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plusStep = (int)step - bt_pix;
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minusStep = bt_pix;
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count = dx + dy + 1;
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}
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this->ptr0 = img.data;
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this->step = (int)img.step;
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this->elemSize = bt_pix0;
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}
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static void
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Line( Mat& img, Point pt1, Point pt2,
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const void* _color, int connectivity = 8 )
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{
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if( connectivity == 0 )
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connectivity = 8;
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if( connectivity == 1 )
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connectivity = 4;
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LineIterator iterator(img, pt1, pt2, connectivity, true);
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int i, count = iterator.count;
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int pix_size = (int)img.elemSize();
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const uchar* color = (const uchar*)_color;
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for( i = 0; i < count; i++, ++iterator )
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{
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uchar* ptr = *iterator;
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if( pix_size == 1 )
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ptr[0] = color[0];
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else if( pix_size == 3 )
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{
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ptr[0] = color[0];
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ptr[1] = color[1];
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ptr[2] = color[2];
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}
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else
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memcpy( *iterator, color, pix_size );
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}
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}
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/* Correction table depent on the slope */
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static const uchar SlopeCorrTable[] = {
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181, 181, 181, 182, 182, 183, 184, 185, 187, 188, 190, 192, 194, 196, 198, 201,
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203, 206, 209, 211, 214, 218, 221, 224, 227, 231, 235, 238, 242, 246, 250, 254
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};
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/* Gaussian for antialiasing filter */
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static const int FilterTable[] = {
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168, 177, 185, 194, 202, 210, 218, 224, 231, 236, 241, 246, 249, 252, 254, 254,
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254, 254, 252, 249, 246, 241, 236, 231, 224, 218, 210, 202, 194, 185, 177, 168,
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158, 149, 140, 131, 122, 114, 105, 97, 89, 82, 75, 68, 62, 56, 50, 45,
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40, 36, 32, 28, 25, 22, 19, 16, 14, 12, 11, 9, 8, 7, 5, 5
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};
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static void
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LineAA( Mat& img, Point pt1, Point pt2, const void* color )
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{
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int dx, dy;
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int ecount, scount = 0;
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int slope;
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int ax, ay;
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int x_step, y_step;
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int i, j;
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int ep_table[9];
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int cb = ((uchar*)color)[0], cg = ((uchar*)color)[1], cr = ((uchar*)color)[2];
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int _cb, _cg, _cr;
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int nch = img.channels();
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uchar* ptr = img.data;
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size_t step = img.step;
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Size size = img.size();
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if( !((nch == 1 || nch == 3) && img.depth() == CV_8U) )
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{
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Line(img, pt1, pt2, color);
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return;
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}
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pt1.x -= XY_ONE*2;
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pt1.y -= XY_ONE*2;
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pt2.x -= XY_ONE*2;
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pt2.y -= XY_ONE*2;
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ptr += img.step*2 + 2*nch;
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size.width = ((size.width - 5) << XY_SHIFT) + 1;
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size.height = ((size.height - 5) << XY_SHIFT) + 1;
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if( !clipLine( size, pt1, pt2 ))
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return;
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dx = pt2.x - pt1.x;
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dy = pt2.y - pt1.y;
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j = dx < 0 ? -1 : 0;
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ax = (dx ^ j) - j;
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i = dy < 0 ? -1 : 0;
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ay = (dy ^ i) - i;
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if( ax > ay )
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{
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dx = ax;
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dy = (dy ^ j) - j;
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pt1.x ^= pt2.x & j;
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pt2.x ^= pt1.x & j;
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pt1.x ^= pt2.x & j;
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pt1.y ^= pt2.y & j;
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pt2.y ^= pt1.y & j;
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pt1.y ^= pt2.y & j;
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x_step = XY_ONE;
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y_step = (int) (((int64) dy << XY_SHIFT) / (ax | 1));
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pt2.x += XY_ONE;
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ecount = (pt2.x >> XY_SHIFT) - (pt1.x >> XY_SHIFT);
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j = -(pt1.x & (XY_ONE - 1));
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pt1.y += (int) ((((int64) y_step) * j) >> XY_SHIFT) + (XY_ONE >> 1);
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slope = (y_step >> (XY_SHIFT - 5)) & 0x3f;
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slope ^= (y_step < 0 ? 0x3f : 0);
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/* Get 4-bit fractions for end-point adjustments */
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i = (pt1.x >> (XY_SHIFT - 7)) & 0x78;
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j = (pt2.x >> (XY_SHIFT - 7)) & 0x78;
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}
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else
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{
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dy = ay;
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dx = (dx ^ i) - i;
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pt1.x ^= pt2.x & i;
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pt2.x ^= pt1.x & i;
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pt1.x ^= pt2.x & i;
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pt1.y ^= pt2.y & i;
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pt2.y ^= pt1.y & i;
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pt1.y ^= pt2.y & i;
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x_step = (int) (((int64) dx << XY_SHIFT) / (ay | 1));
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y_step = XY_ONE;
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pt2.y += XY_ONE;
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|
|
ecount = (pt2.y >> XY_SHIFT) - (pt1.y >> XY_SHIFT);
|
|
|
|
j = -(pt1.y & (XY_ONE - 1));
|
|
|
|
pt1.x += (int) ((((int64) x_step) * j) >> XY_SHIFT) + (XY_ONE >> 1);
|
|
|
|
slope = (x_step >> (XY_SHIFT - 5)) & 0x3f;
|
|
|
|
slope ^= (x_step < 0 ? 0x3f : 0);
|
|
|
|
|
|
|
|
/* Get 4-bit fractions for end-point adjustments */
|
|
|
|
i = (pt1.y >> (XY_SHIFT - 7)) & 0x78;
|
|
|
|
j = (pt2.y >> (XY_SHIFT - 7)) & 0x78;
|
|
|
|
}
|
|
|
|
|
|
|
|
slope = (slope & 0x20) ? 0x100 : SlopeCorrTable[slope];
|
|
|
|
|
|
|
|
/* Calc end point correction table */
|
|
|
|
{
|
|
|
|
int t0 = slope << 7;
|
|
|
|
int t1 = ((0x78 - i) | 4) * slope;
|
|
|
|
int t2 = (j | 4) * slope;
|
|
|
|
|
|
|
|
ep_table[0] = 0;
|
|
|
|
ep_table[8] = slope;
|
|
|
|
ep_table[1] = ep_table[3] = ((((j - i) & 0x78) | 4) * slope >> 8) & 0x1ff;
|
|
|
|
ep_table[2] = (t1 >> 8) & 0x1ff;
|
|
|
|
ep_table[4] = ((((j - i) + 0x80) | 4) * slope >> 8) & 0x1ff;
|
|
|
|
ep_table[5] = ((t1 + t0) >> 8) & 0x1ff;
|
|
|
|
ep_table[6] = (t2 >> 8) & 0x1ff;
|
|
|
|
ep_table[7] = ((t2 + t0) >> 8) & 0x1ff;
|
|
|
|
}
|
|
|
|
|
|
|
|
if( nch == 3 )
|
|
|
|
{
|
|
|
|
#define ICV_PUT_POINT() \
|
|
|
|
{ \
|
|
|
|
_cb = tptr[0]; \
|
|
|
|
_cb += ((cb - _cb)*a + 127)>> 8;\
|
|
|
|
_cg = tptr[1]; \
|
|
|
|
_cg += ((cg - _cg)*a + 127)>> 8;\
|
|
|
|
_cr = tptr[2]; \
|
|
|
|
_cr += ((cr - _cr)*a + 127)>> 8;\
|
|
|
|
tptr[0] = (uchar)_cb; \
|
|
|
|
tptr[1] = (uchar)_cg; \
|
|
|
|
tptr[2] = (uchar)_cr; \
|
|
|
|
}
|
|
|
|
if( ax > ay )
|
|
|
|
{
|
|
|
|
ptr += (pt1.x >> XY_SHIFT) * 3;
|
|
|
|
|
|
|
|
while( ecount >= 0 )
|
|
|
|
{
|
|
|
|
uchar *tptr = ptr + ((pt1.y >> XY_SHIFT) - 1) * step;
|
|
|
|
|
|
|
|
int ep_corr = ep_table[(((scount >= 2) + 1) & (scount | 2)) * 3 +
|
|
|
|
(((ecount >= 2) + 1) & (ecount | 2))];
|
|
|
|
int a, dist = (pt1.y >> (XY_SHIFT - 5)) & 31;
|
|
|
|
|
|
|
|
a = (ep_corr * FilterTable[dist + 32] >> 8) & 0xff;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
|
|
|
|
tptr += step;
|
|
|
|
a = (ep_corr * FilterTable[dist] >> 8) & 0xff;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
|
|
|
|
tptr += step;
|
|
|
|
a = (ep_corr * FilterTable[63 - dist] >> 8) & 0xff;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
|
|
|
|
pt1.y += y_step;
|
|
|
|
ptr += 3;
|
|
|
|
scount++;
|
|
|
|
ecount--;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ptr += (pt1.y >> XY_SHIFT) * step;
|
|
|
|
|
|
|
|
while( ecount >= 0 )
|
|
|
|
{
|
|
|
|
uchar *tptr = ptr + ((pt1.x >> XY_SHIFT) - 1) * 3;
|
|
|
|
|
|
|
|
int ep_corr = ep_table[(((scount >= 2) + 1) & (scount | 2)) * 3 +
|
|
|
|
(((ecount >= 2) + 1) & (ecount | 2))];
|
|
|
|
int a, dist = (pt1.x >> (XY_SHIFT - 5)) & 31;
|
|
|
|
|
|
|
|
a = (ep_corr * FilterTable[dist + 32] >> 8) & 0xff;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
|
|
|
|
tptr += 3;
|
|
|
|
a = (ep_corr * FilterTable[dist] >> 8) & 0xff;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
|
|
|
|
tptr += 3;
|
|
|
|
a = (ep_corr * FilterTable[63 - dist] >> 8) & 0xff;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
|
|
|
|
pt1.x += x_step;
|
|
|
|
ptr += step;
|
|
|
|
scount++;
|
|
|
|
ecount--;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#undef ICV_PUT_POINT
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
#define ICV_PUT_POINT() \
|
|
|
|
{ \
|
|
|
|
_cb = tptr[0]; \
|
|
|
|
_cb += ((cb - _cb)*a + 127)>> 8;\
|
|
|
|
tptr[0] = (uchar)_cb; \
|
|
|
|
}
|
|
|
|
|
|
|
|
if( ax > ay )
|
|
|
|
{
|
|
|
|
ptr += (pt1.x >> XY_SHIFT);
|
|
|
|
|
|
|
|
while( ecount >= 0 )
|
|
|
|
{
|
|
|
|
uchar *tptr = ptr + ((pt1.y >> XY_SHIFT) - 1) * step;
|
|
|
|
|
|
|
|
int ep_corr = ep_table[(((scount >= 2) + 1) & (scount | 2)) * 3 +
|
|
|
|
(((ecount >= 2) + 1) & (ecount | 2))];
|
|
|
|
int a, dist = (pt1.y >> (XY_SHIFT - 5)) & 31;
|
|
|
|
|
|
|
|
a = (ep_corr * FilterTable[dist + 32] >> 8) & 0xff;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
|
|
|
|
tptr += step;
|
|
|
|
a = (ep_corr * FilterTable[dist] >> 8) & 0xff;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
|
|
|
|
tptr += step;
|
|
|
|
a = (ep_corr * FilterTable[63 - dist] >> 8) & 0xff;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
|
|
|
|
pt1.y += y_step;
|
|
|
|
ptr++;
|
|
|
|
scount++;
|
|
|
|
ecount--;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ptr += (pt1.y >> XY_SHIFT) * step;
|
|
|
|
|
|
|
|
while( ecount >= 0 )
|
|
|
|
{
|
|
|
|
uchar *tptr = ptr + ((pt1.x >> XY_SHIFT) - 1);
|
|
|
|
|
|
|
|
int ep_corr = ep_table[(((scount >= 2) + 1) & (scount | 2)) * 3 +
|
|
|
|
(((ecount >= 2) + 1) & (ecount | 2))];
|
|
|
|
int a, dist = (pt1.x >> (XY_SHIFT - 5)) & 31;
|
|
|
|
|
|
|
|
a = (ep_corr * FilterTable[dist + 32] >> 8) & 0xff;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
|
|
|
|
tptr++;
|
|
|
|
a = (ep_corr * FilterTable[dist] >> 8) & 0xff;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
|
|
|
|
tptr++;
|
|
|
|
a = (ep_corr * FilterTable[63 - dist] >> 8) & 0xff;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
|
|
|
|
pt1.x += x_step;
|
|
|
|
ptr += step;
|
|
|
|
scount++;
|
|
|
|
ecount--;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#undef ICV_PUT_POINT
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
Line2( Mat& img, Point pt1, Point pt2, const void* color )
|
|
|
|
{
|
|
|
|
int dx, dy;
|
|
|
|
int ecount;
|
|
|
|
int ax, ay;
|
|
|
|
int i, j;
|
|
|
|
int x_step, y_step;
|
|
|
|
int cb = ((uchar*)color)[0];
|
|
|
|
int cg = ((uchar*)color)[1];
|
|
|
|
int cr = ((uchar*)color)[2];
|
|
|
|
int pix_size = (int)img.elemSize();
|
|
|
|
uchar *ptr = img.data, *tptr;
|
|
|
|
size_t step = img.step;
|
|
|
|
Size size = img.size();
|
|
|
|
|
|
|
|
//assert( img && (nch == 1 || nch == 3) && img.depth() == CV_8U );
|
|
|
|
|
|
|
|
pt1.x -= XY_ONE*2;
|
|
|
|
pt1.y -= XY_ONE*2;
|
|
|
|
pt2.x -= XY_ONE*2;
|
|
|
|
pt2.y -= XY_ONE*2;
|
|
|
|
ptr += img.step*2 + 2*pix_size;
|
|
|
|
|
|
|
|
size.width = ((size.width - 5) << XY_SHIFT) + 1;
|
|
|
|
size.height = ((size.height - 5) << XY_SHIFT) + 1;
|
|
|
|
|
|
|
|
if( !clipLine( size, pt1, pt2 ))
|
|
|
|
return;
|
|
|
|
|
|
|
|
dx = pt2.x - pt1.x;
|
|
|
|
dy = pt2.y - pt1.y;
|
|
|
|
|
|
|
|
j = dx < 0 ? -1 : 0;
|
|
|
|
ax = (dx ^ j) - j;
|
|
|
|
i = dy < 0 ? -1 : 0;
|
|
|
|
ay = (dy ^ i) - i;
|
|
|
|
|
|
|
|
if( ax > ay )
|
|
|
|
{
|
|
|
|
dx = ax;
|
|
|
|
dy = (dy ^ j) - j;
|
|
|
|
pt1.x ^= pt2.x & j;
|
|
|
|
pt2.x ^= pt1.x & j;
|
|
|
|
pt1.x ^= pt2.x & j;
|
|
|
|
pt1.y ^= pt2.y & j;
|
|
|
|
pt2.y ^= pt1.y & j;
|
|
|
|
pt1.y ^= pt2.y & j;
|
|
|
|
|
|
|
|
x_step = XY_ONE;
|
|
|
|
y_step = (int) (((int64) dy << XY_SHIFT) / (ax | 1));
|
|
|
|
ecount = (pt2.x - pt1.x) >> XY_SHIFT;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
dy = ay;
|
|
|
|
dx = (dx ^ i) - i;
|
|
|
|
pt1.x ^= pt2.x & i;
|
|
|
|
pt2.x ^= pt1.x & i;
|
|
|
|
pt1.x ^= pt2.x & i;
|
|
|
|
pt1.y ^= pt2.y & i;
|
|
|
|
pt2.y ^= pt1.y & i;
|
|
|
|
pt1.y ^= pt2.y & i;
|
|
|
|
|
|
|
|
x_step = (int) (((int64) dx << XY_SHIFT) / (ay | 1));
|
|
|
|
y_step = XY_ONE;
|
|
|
|
ecount = (pt2.y - pt1.y) >> XY_SHIFT;
|
|
|
|
}
|
|
|
|
|
|
|
|
pt1.x += (XY_ONE >> 1);
|
|
|
|
pt1.y += (XY_ONE >> 1);
|
|
|
|
|
|
|
|
if( pix_size == 3 )
|
|
|
|
{
|
|
|
|
#define ICV_PUT_POINT() \
|
|
|
|
{ \
|
|
|
|
tptr[0] = (uchar)cb; \
|
|
|
|
tptr[1] = (uchar)cg; \
|
|
|
|
tptr[2] = (uchar)cr; \
|
|
|
|
}
|
|
|
|
|
|
|
|
tptr = ptr + ((pt2.x + (XY_ONE >> 1))>> XY_SHIFT)*3 +
|
|
|
|
((pt2.y + (XY_ONE >> 1)) >> XY_SHIFT)*step;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
|
|
|
|
if( ax > ay )
|
|
|
|
{
|
|
|
|
ptr += (pt1.x >> XY_SHIFT) * 3;
|
|
|
|
|
|
|
|
while( ecount >= 0 )
|
|
|
|
{
|
|
|
|
tptr = ptr + (pt1.y >> XY_SHIFT) * step;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
pt1.y += y_step;
|
|
|
|
ptr += 3;
|
|
|
|
ecount--;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ptr += (pt1.y >> XY_SHIFT) * step;
|
|
|
|
|
|
|
|
while( ecount >= 0 )
|
|
|
|
{
|
|
|
|
tptr = ptr + (pt1.x >> XY_SHIFT) * 3;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
pt1.x += x_step;
|
|
|
|
ptr += step;
|
|
|
|
ecount--;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#undef ICV_PUT_POINT
|
|
|
|
}
|
|
|
|
else if( pix_size == 1 )
|
|
|
|
{
|
|
|
|
#define ICV_PUT_POINT() \
|
|
|
|
{ \
|
|
|
|
tptr[0] = (uchar)cb; \
|
|
|
|
}
|
|
|
|
|
|
|
|
tptr = ptr + ((pt2.x + (XY_ONE >> 1))>> XY_SHIFT) +
|
|
|
|
((pt2.y + (XY_ONE >> 1)) >> XY_SHIFT)*step;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
|
|
|
|
if( ax > ay )
|
|
|
|
{
|
|
|
|
ptr += (pt1.x >> XY_SHIFT);
|
|
|
|
|
|
|
|
while( ecount >= 0 )
|
|
|
|
{
|
|
|
|
tptr = ptr + (pt1.y >> XY_SHIFT) * step;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
pt1.y += y_step;
|
|
|
|
ptr++;
|
|
|
|
ecount--;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ptr += (pt1.y >> XY_SHIFT) * step;
|
|
|
|
|
|
|
|
while( ecount >= 0 )
|
|
|
|
{
|
|
|
|
tptr = ptr + (pt1.x >> XY_SHIFT);
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
pt1.x += x_step;
|
|
|
|
ptr += step;
|
|
|
|
ecount--;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#undef ICV_PUT_POINT
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
#define ICV_PUT_POINT() \
|
|
|
|
for( j = 0; j < pix_size; j++ ) \
|
|
|
|
tptr[j] = ((uchar*)color)[j];
|
|
|
|
|
|
|
|
tptr = ptr + ((pt2.x + (XY_ONE >> 1))>> XY_SHIFT)*pix_size +
|
|
|
|
((pt2.y + (XY_ONE >> 1)) >> XY_SHIFT)*step;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
|
|
|
|
if( ax > ay )
|
|
|
|
{
|
|
|
|
ptr += (pt1.x >> XY_SHIFT) * pix_size;
|
|
|
|
|
|
|
|
while( ecount >= 0 )
|
|
|
|
{
|
|
|
|
tptr = ptr + (pt1.y >> XY_SHIFT) * step;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
pt1.y += y_step;
|
|
|
|
ptr += pix_size;
|
|
|
|
ecount--;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ptr += (pt1.y >> XY_SHIFT) * step;
|
|
|
|
|
|
|
|
while( ecount >= 0 )
|
|
|
|
{
|
|
|
|
tptr = ptr + (pt1.x >> XY_SHIFT) * pix_size;
|
|
|
|
ICV_PUT_POINT();
|
|
|
|
pt1.x += x_step;
|
|
|
|
ptr += step;
|
|
|
|
ecount--;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#undef ICV_PUT_POINT
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/****************************************************************************************\
|
|
|
|
* Antialiazed Elliptic Arcs via Antialiazed Lines *
|
|
|
|
\****************************************************************************************/
|
|
|
|
|
|
|
|
static const float SinTable[] =
|
|
|
|
{ 0.0000000f, 0.0174524f, 0.0348995f, 0.0523360f, 0.0697565f, 0.0871557f,
|
|
|
|
0.1045285f, 0.1218693f, 0.1391731f, 0.1564345f, 0.1736482f, 0.1908090f,
|
|
|
|
0.2079117f, 0.2249511f, 0.2419219f, 0.2588190f, 0.2756374f, 0.2923717f,
|
|
|
|
0.3090170f, 0.3255682f, 0.3420201f, 0.3583679f, 0.3746066f, 0.3907311f,
|
|
|
|
0.4067366f, 0.4226183f, 0.4383711f, 0.4539905f, 0.4694716f, 0.4848096f,
|
|
|
|
0.5000000f, 0.5150381f, 0.5299193f, 0.5446390f, 0.5591929f, 0.5735764f,
|
|
|
|
0.5877853f, 0.6018150f, 0.6156615f, 0.6293204f, 0.6427876f, 0.6560590f,
|
|
|
|
0.6691306f, 0.6819984f, 0.6946584f, 0.7071068f, 0.7193398f, 0.7313537f,
|
|
|
|
0.7431448f, 0.7547096f, 0.7660444f, 0.7771460f, 0.7880108f, 0.7986355f,
|
|
|
|
0.8090170f, 0.8191520f, 0.8290376f, 0.8386706f, 0.8480481f, 0.8571673f,
|
|
|
|
0.8660254f, 0.8746197f, 0.8829476f, 0.8910065f, 0.8987940f, 0.9063078f,
|
|
|
|
0.9135455f, 0.9205049f, 0.9271839f, 0.9335804f, 0.9396926f, 0.9455186f,
|
|
|
|
0.9510565f, 0.9563048f, 0.9612617f, 0.9659258f, 0.9702957f, 0.9743701f,
|
|
|
|
0.9781476f, 0.9816272f, 0.9848078f, 0.9876883f, 0.9902681f, 0.9925462f,
|
|
|
|
0.9945219f, 0.9961947f, 0.9975641f, 0.9986295f, 0.9993908f, 0.9998477f,
|
|
|
|
1.0000000f, 0.9998477f, 0.9993908f, 0.9986295f, 0.9975641f, 0.9961947f,
|
|
|
|
0.9945219f, 0.9925462f, 0.9902681f, 0.9876883f, 0.9848078f, 0.9816272f,
|
|
|
|
0.9781476f, 0.9743701f, 0.9702957f, 0.9659258f, 0.9612617f, 0.9563048f,
|
|
|
|
0.9510565f, 0.9455186f, 0.9396926f, 0.9335804f, 0.9271839f, 0.9205049f,
|
|
|
|
0.9135455f, 0.9063078f, 0.8987940f, 0.8910065f, 0.8829476f, 0.8746197f,
|
|
|
|
0.8660254f, 0.8571673f, 0.8480481f, 0.8386706f, 0.8290376f, 0.8191520f,
|
|
|
|
0.8090170f, 0.7986355f, 0.7880108f, 0.7771460f, 0.7660444f, 0.7547096f,
|
|
|
|
0.7431448f, 0.7313537f, 0.7193398f, 0.7071068f, 0.6946584f, 0.6819984f,
|
|
|
|
0.6691306f, 0.6560590f, 0.6427876f, 0.6293204f, 0.6156615f, 0.6018150f,
|
|
|
|
0.5877853f, 0.5735764f, 0.5591929f, 0.5446390f, 0.5299193f, 0.5150381f,
|
|
|
|
0.5000000f, 0.4848096f, 0.4694716f, 0.4539905f, 0.4383711f, 0.4226183f,
|
|
|
|
0.4067366f, 0.3907311f, 0.3746066f, 0.3583679f, 0.3420201f, 0.3255682f,
|
|
|
|
0.3090170f, 0.2923717f, 0.2756374f, 0.2588190f, 0.2419219f, 0.2249511f,
|
|
|
|
0.2079117f, 0.1908090f, 0.1736482f, 0.1564345f, 0.1391731f, 0.1218693f,
|
|
|
|
0.1045285f, 0.0871557f, 0.0697565f, 0.0523360f, 0.0348995f, 0.0174524f,
|
|
|
|
0.0000000f, -0.0174524f, -0.0348995f, -0.0523360f, -0.0697565f, -0.0871557f,
|
|
|
|
-0.1045285f, -0.1218693f, -0.1391731f, -0.1564345f, -0.1736482f, -0.1908090f,
|
|
|
|
-0.2079117f, -0.2249511f, -0.2419219f, -0.2588190f, -0.2756374f, -0.2923717f,
|
|
|
|
-0.3090170f, -0.3255682f, -0.3420201f, -0.3583679f, -0.3746066f, -0.3907311f,
|
|
|
|
-0.4067366f, -0.4226183f, -0.4383711f, -0.4539905f, -0.4694716f, -0.4848096f,
|
|
|
|
-0.5000000f, -0.5150381f, -0.5299193f, -0.5446390f, -0.5591929f, -0.5735764f,
|
|
|
|
-0.5877853f, -0.6018150f, -0.6156615f, -0.6293204f, -0.6427876f, -0.6560590f,
|
|
|
|
-0.6691306f, -0.6819984f, -0.6946584f, -0.7071068f, -0.7193398f, -0.7313537f,
|
|
|
|
-0.7431448f, -0.7547096f, -0.7660444f, -0.7771460f, -0.7880108f, -0.7986355f,
|
|
|
|
-0.8090170f, -0.8191520f, -0.8290376f, -0.8386706f, -0.8480481f, -0.8571673f,
|
|
|
|
-0.8660254f, -0.8746197f, -0.8829476f, -0.8910065f, -0.8987940f, -0.9063078f,
|
|
|
|
-0.9135455f, -0.9205049f, -0.9271839f, -0.9335804f, -0.9396926f, -0.9455186f,
|
|
|
|
-0.9510565f, -0.9563048f, -0.9612617f, -0.9659258f, -0.9702957f, -0.9743701f,
|
|
|
|
-0.9781476f, -0.9816272f, -0.9848078f, -0.9876883f, -0.9902681f, -0.9925462f,
|
|
|
|
-0.9945219f, -0.9961947f, -0.9975641f, -0.9986295f, -0.9993908f, -0.9998477f,
|
|
|
|
-1.0000000f, -0.9998477f, -0.9993908f, -0.9986295f, -0.9975641f, -0.9961947f,
|
|
|
|
-0.9945219f, -0.9925462f, -0.9902681f, -0.9876883f, -0.9848078f, -0.9816272f,
|
|
|
|
-0.9781476f, -0.9743701f, -0.9702957f, -0.9659258f, -0.9612617f, -0.9563048f,
|
|
|
|
-0.9510565f, -0.9455186f, -0.9396926f, -0.9335804f, -0.9271839f, -0.9205049f,
|
|
|
|
-0.9135455f, -0.9063078f, -0.8987940f, -0.8910065f, -0.8829476f, -0.8746197f,
|
|
|
|
-0.8660254f, -0.8571673f, -0.8480481f, -0.8386706f, -0.8290376f, -0.8191520f,
|
|
|
|
-0.8090170f, -0.7986355f, -0.7880108f, -0.7771460f, -0.7660444f, -0.7547096f,
|
|
|
|
-0.7431448f, -0.7313537f, -0.7193398f, -0.7071068f, -0.6946584f, -0.6819984f,
|
|
|
|
-0.6691306f, -0.6560590f, -0.6427876f, -0.6293204f, -0.6156615f, -0.6018150f,
|
|
|
|
-0.5877853f, -0.5735764f, -0.5591929f, -0.5446390f, -0.5299193f, -0.5150381f,
|
|
|
|
-0.5000000f, -0.4848096f, -0.4694716f, -0.4539905f, -0.4383711f, -0.4226183f,
|
|
|
|
-0.4067366f, -0.3907311f, -0.3746066f, -0.3583679f, -0.3420201f, -0.3255682f,
|
|
|
|
-0.3090170f, -0.2923717f, -0.2756374f, -0.2588190f, -0.2419219f, -0.2249511f,
|
|
|
|
-0.2079117f, -0.1908090f, -0.1736482f, -0.1564345f, -0.1391731f, -0.1218693f,
|
|
|
|
-0.1045285f, -0.0871557f, -0.0697565f, -0.0523360f, -0.0348995f, -0.0174524f,
|
|
|
|
-0.0000000f, 0.0174524f, 0.0348995f, 0.0523360f, 0.0697565f, 0.0871557f,
|
|
|
|
0.1045285f, 0.1218693f, 0.1391731f, 0.1564345f, 0.1736482f, 0.1908090f,
|
|
|
|
0.2079117f, 0.2249511f, 0.2419219f, 0.2588190f, 0.2756374f, 0.2923717f,
|
|
|
|
0.3090170f, 0.3255682f, 0.3420201f, 0.3583679f, 0.3746066f, 0.3907311f,
|
|
|
|
0.4067366f, 0.4226183f, 0.4383711f, 0.4539905f, 0.4694716f, 0.4848096f,
|
|
|
|
0.5000000f, 0.5150381f, 0.5299193f, 0.5446390f, 0.5591929f, 0.5735764f,
|
|
|
|
0.5877853f, 0.6018150f, 0.6156615f, 0.6293204f, 0.6427876f, 0.6560590f,
|
|
|
|
0.6691306f, 0.6819984f, 0.6946584f, 0.7071068f, 0.7193398f, 0.7313537f,
|
|
|
|
0.7431448f, 0.7547096f, 0.7660444f, 0.7771460f, 0.7880108f, 0.7986355f,
|
|
|
|
0.8090170f, 0.8191520f, 0.8290376f, 0.8386706f, 0.8480481f, 0.8571673f,
|
|
|
|
0.8660254f, 0.8746197f, 0.8829476f, 0.8910065f, 0.8987940f, 0.9063078f,
|
|
|
|
0.9135455f, 0.9205049f, 0.9271839f, 0.9335804f, 0.9396926f, 0.9455186f,
|
|
|
|
0.9510565f, 0.9563048f, 0.9612617f, 0.9659258f, 0.9702957f, 0.9743701f,
|
|
|
|
0.9781476f, 0.9816272f, 0.9848078f, 0.9876883f, 0.9902681f, 0.9925462f,
|
|
|
|
0.9945219f, 0.9961947f, 0.9975641f, 0.9986295f, 0.9993908f, 0.9998477f,
|
|
|
|
1.0000000f
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
sincos( int angle, float& cosval, float& sinval )
|
|
|
|
{
|
|
|
|
angle += (angle < 0 ? 360 : 0);
|
|
|
|
sinval = SinTable[angle];
|
|
|
|
cosval = SinTable[450 - angle];
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
constructs polygon that represents elliptic arc.
|
|
|
|
*/
|
|
|
|
void ellipse2Poly( Point center, Size axes, int angle,
|
|
|
|
int arc_start, int arc_end,
|
|
|
|
int delta, vector<Point>& pts )
|
|
|
|
{
|
|
|
|
float alpha, beta;
|
|
|
|
double size_a = axes.width, size_b = axes.height;
|
|
|
|
double cx = center.x, cy = center.y;
|
|
|
|
Point prevPt(INT_MIN,INT_MIN);
|
|
|
|
int i;
|
|
|
|
|
|
|
|
while( angle < 0 )
|
|
|
|
angle += 360;
|
|
|
|
while( angle > 360 )
|
|
|
|
angle -= 360;
|
|
|
|
|
|
|
|
if( arc_start > arc_end )
|
|
|
|
{
|
|
|
|
i = arc_start;
|
|
|
|
arc_start = arc_end;
|
|
|
|
arc_end = i;
|
|
|
|
}
|
|
|
|
while( arc_start < 0 )
|
|
|
|
{
|
|
|
|
arc_start += 360;
|
|
|
|
arc_end += 360;
|
|
|
|
}
|
|
|
|
while( arc_end > 360 )
|
|
|
|
{
|
|
|
|
arc_end -= 360;
|
|
|
|
arc_start -= 360;
|
|
|
|
}
|
|
|
|
if( arc_end - arc_start > 360 )
|
|
|
|
{
|
|
|
|
arc_start = 0;
|
|
|
|
arc_end = 360;
|
|
|
|
}
|
|
|
|
sincos( angle, alpha, beta );
|
|
|
|
pts.resize(0);
|
|
|
|
|
|
|
|
for( i = arc_start; i < arc_end + delta; i += delta )
|
|
|
|
{
|
|
|
|
double x, y;
|
|
|
|
angle = i;
|
|
|
|
if( angle > arc_end )
|
|
|
|
angle = arc_end;
|
|
|
|
if( angle < 0 )
|
|
|
|
angle += 360;
|
|
|
|
|
|
|
|
x = size_a * SinTable[450-angle];
|
|
|
|
y = size_b * SinTable[angle];
|
|
|
|
Point pt;
|
|
|
|
pt.x = cvRound( cx + x * alpha - y * beta );
|
|
|
|
pt.y = cvRound( cy + x * beta + y * alpha );
|
|
|
|
if( pt != prevPt )
|
|
|
|
pts.push_back(pt);
|
|
|
|
}
|
|
|
|
|
|
|
|
if( pts.size() < 2 )
|
|
|
|
pts.push_back(pts[0]);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
EllipseEx( Mat& img, Point center, Size axes,
|
|
|
|
int angle, int arc_start, int arc_end,
|
|
|
|
const void* color, int thickness, int line_type )
|
|
|
|
{
|
|
|
|
axes.width = std::abs(axes.width), axes.height = std::abs(axes.height);
|
|
|
|
int delta = (std::max(axes.width,axes.height)+(XY_ONE>>1))>>XY_SHIFT;
|
|
|
|
delta = delta < 3 ? 90 : delta < 10 ? 30 : delta < 15 ? 18 : 5;
|
|
|
|
|
|
|
|
vector<Point> v;
|
|
|
|
ellipse2Poly( center, axes, angle, arc_start, arc_end, delta, v );
|
|
|
|
|
|
|
|
if( thickness >= 0 )
|
|
|
|
PolyLine( img, &v[0], (int)v.size(), false, color, thickness, line_type, XY_SHIFT );
|
|
|
|
else if( arc_end - arc_start >= 360 )
|
|
|
|
FillConvexPoly( img, &v[0], (int)v.size(), color, line_type, XY_SHIFT );
|
|
|
|
else
|
|
|
|
{
|
|
|
|
v.push_back(center);
|
|
|
|
vector<PolyEdge> edges;
|
|
|
|
CollectPolyEdges( img, &v[0], (int)v.size(), edges, color, line_type, XY_SHIFT );
|
|
|
|
FillEdgeCollection( img, edges, color );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/****************************************************************************************\
|
|
|
|
* Polygons filling *
|
|
|
|
\****************************************************************************************/
|
|
|
|
|
|
|
|
/* helper macros: filling horizontal row */
|
|
|
|
#define ICV_HLINE( ptr, xl, xr, color, pix_size ) \
|
|
|
|
{ \
|
|
|
|
uchar* hline_ptr = (uchar*)(ptr) + (xl)*(pix_size); \
|
|
|
|
uchar* hline_max_ptr = (uchar*)(ptr) + (xr)*(pix_size); \
|
|
|
|
\
|
|
|
|
for( ; hline_ptr <= hline_max_ptr; hline_ptr += (pix_size))\
|
|
|
|
{ \
|
|
|
|
int hline_j; \
|
|
|
|
for( hline_j = 0; hline_j < (pix_size); hline_j++ ) \
|
|
|
|
{ \
|
|
|
|
hline_ptr[hline_j] = ((uchar*)color)[hline_j]; \
|
|
|
|
} \
|
|
|
|
} \
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* filling convex polygon. v - array of vertices, ntps - number of points */
|
|
|
|
static void
|
|
|
|
FillConvexPoly( Mat& img, const Point* v, int npts, const void* color, int line_type, int shift )
|
|
|
|
{
|
|
|
|
struct
|
|
|
|
{
|
|
|
|
int idx, di;
|
|
|
|
int x, dx, ye;
|
|
|
|
}
|
|
|
|
edge[2];
|
|
|
|
|
|
|
|
int delta = shift ? 1 << (shift - 1) : 0;
|
|
|
|
int i, y, imin = 0, left = 0, right = 1, x1, x2;
|
|
|
|
int edges = npts;
|
|
|
|
int xmin, xmax, ymin, ymax;
|
|
|
|
uchar* ptr = img.data;
|
|
|
|
Size size = img.size();
|
|
|
|
int pix_size = (int)img.elemSize();
|
|
|
|
Point p0;
|
|
|
|
int delta1, delta2;
|
|
|
|
|
|
|
|
if( line_type < CV_AA )
|
|
|
|
delta1 = delta2 = XY_ONE >> 1;
|
|
|
|
else
|
|
|
|
delta1 = XY_ONE - 1, delta2 = 0;
|
|
|
|
|
|
|
|
p0 = v[npts - 1];
|
|
|
|
p0.x <<= XY_SHIFT - shift;
|
|
|
|
p0.y <<= XY_SHIFT - shift;
|
|
|
|
|
|
|
|
assert( 0 <= shift && shift <= XY_SHIFT );
|
|
|
|
xmin = xmax = v[0].x;
|
|
|
|
ymin = ymax = v[0].y;
|
|
|
|
|
|
|
|
for( i = 0; i < npts; i++ )
|
|
|
|
{
|
|
|
|
Point p = v[i];
|
|
|
|
if( p.y < ymin )
|
|
|
|
{
|
|
|
|
ymin = p.y;
|
|
|
|
imin = i;
|
|
|
|
}
|
|
|
|
|
|
|
|
ymax = std::max( ymax, p.y );
|
|
|
|
xmax = std::max( xmax, p.x );
|
|
|
|
xmin = MIN( xmin, p.x );
|
|
|
|
|
|
|
|
p.x <<= XY_SHIFT - shift;
|
|
|
|
p.y <<= XY_SHIFT - shift;
|
|
|
|
|
|
|
|
if( line_type <= 8 )
|
|
|
|
{
|
|
|
|
if( shift == 0 )
|
|
|
|
{
|
|
|
|
Point pt0, pt1;
|
|
|
|
pt0.x = p0.x >> XY_SHIFT;
|
|
|
|
pt0.y = p0.y >> XY_SHIFT;
|
|
|
|
pt1.x = p.x >> XY_SHIFT;
|
|
|
|
pt1.y = p.y >> XY_SHIFT;
|
|
|
|
Line( img, pt0, pt1, color, line_type );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
Line2( img, p0, p, color );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
LineAA( img, p0, p, color );
|
|
|
|
p0 = p;
|
|
|
|
}
|
|
|
|
|
|
|
|
xmin = (xmin + delta) >> shift;
|
|
|
|
xmax = (xmax + delta) >> shift;
|
|
|
|
ymin = (ymin + delta) >> shift;
|
|
|
|
ymax = (ymax + delta) >> shift;
|
|
|
|
|
|
|
|
if( npts < 3 || xmax < 0 || ymax < 0 || xmin >= size.width || ymin >= size.height )
|
|
|
|
return;
|
|
|
|
|
|
|
|
ymax = MIN( ymax, size.height - 1 );
|
|
|
|
edge[0].idx = edge[1].idx = imin;
|
|
|
|
|
|
|
|
edge[0].ye = edge[1].ye = y = ymin;
|
|
|
|
edge[0].di = 1;
|
|
|
|
edge[1].di = npts - 1;
|
|
|
|
|
|
|
|
ptr += img.step*y;
|
|
|
|
|
|
|
|
do
|
|
|
|
{
|
|
|
|
if( line_type < CV_AA || y < ymax || y == ymin )
|
|
|
|
{
|
|
|
|
for( i = 0; i < 2; i++ )
|
|
|
|
{
|
|
|
|
if( y >= edge[i].ye )
|
|
|
|
{
|
|
|
|
int idx = edge[i].idx, di = edge[i].di;
|
|
|
|
int xs = 0, xe, ye, ty = 0;
|
|
|
|
|
|
|
|
for(;;)
|
|
|
|
{
|
|
|
|
ty = (v[idx].y + delta) >> shift;
|
|
|
|
if( ty > y || edges == 0 )
|
|
|
|
break;
|
|
|
|
xs = v[idx].x;
|
|
|
|
idx += di;
|
|
|
|
idx -= ((idx < npts) - 1) & npts; /* idx -= idx >= npts ? npts : 0 */
|
|
|
|
edges--;
|
|
|
|
}
|
|
|
|
|
|
|
|
ye = ty;
|
|
|
|
xs <<= XY_SHIFT - shift;
|
|
|
|
xe = v[idx].x << (XY_SHIFT - shift);
|
|
|
|
|
|
|
|
/* no more edges */
|
|
|
|
if( y >= ye )
|
|
|
|
return;
|
|
|
|
|
|
|
|
edge[i].ye = ye;
|
|
|
|
edge[i].dx = ((xe - xs)*2 + (ye - y)) / (2 * (ye - y));
|
|
|
|
edge[i].x = xs;
|
|
|
|
edge[i].idx = idx;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if( edge[left].x > edge[right].x )
|
|
|
|
{
|
|
|
|
left ^= 1;
|
|
|
|
right ^= 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
x1 = edge[left].x;
|
|
|
|
x2 = edge[right].x;
|
|
|
|
|
|
|
|
if( y >= 0 )
|
|
|
|
{
|
|
|
|
int xx1 = (x1 + delta1) >> XY_SHIFT;
|
|
|
|
int xx2 = (x2 + delta2) >> XY_SHIFT;
|
|
|
|
|
|
|
|
if( xx2 >= 0 && xx1 < size.width )
|
|
|
|
{
|
|
|
|
if( xx1 < 0 )
|
|
|
|
xx1 = 0;
|
|
|
|
if( xx2 >= size.width )
|
|
|
|
xx2 = size.width - 1;
|
|
|
|
ICV_HLINE( ptr, xx1, xx2, color, pix_size );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
x1 += edge[left].dx;
|
|
|
|
x2 += edge[right].dx;
|
|
|
|
|
|
|
|
edge[left].x = x1;
|
|
|
|
edge[right].x = x2;
|
|
|
|
ptr += img.step;
|
|
|
|
}
|
|
|
|
while( ++y <= ymax );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/******** Arbitrary polygon **********/
|
|
|
|
|
|
|
|
static void
|
|
|
|
CollectPolyEdges( Mat& img, const Point* v, int count, vector<PolyEdge>& edges,
|
|
|
|
const void* color, int line_type, int shift, Point offset )
|
|
|
|
{
|
|
|
|
int i, delta = offset.y + (shift ? 1 << (shift - 1) : 0);
|
|
|
|
Point pt0 = v[count-1], pt1;
|
|
|
|
pt0.x = (pt0.x + offset.x) << (XY_SHIFT - shift);
|
|
|
|
pt0.y = (pt0.y + delta) >> shift;
|
|
|
|
|
|
|
|
edges.reserve( edges.size() + count );
|
|
|
|
|
|
|
|
for( i = 0; i < count; i++, pt0 = pt1 )
|
|
|
|
{
|
|
|
|
Point t0, t1;
|
|
|
|
PolyEdge edge;
|
|
|
|
|
|
|
|
pt1 = v[i];
|
|
|
|
pt1.x = (pt1.x + offset.x) << (XY_SHIFT - shift);
|
|
|
|
pt1.y = (pt1.y + delta) >> shift;
|
|
|
|
|
|
|
|
if( line_type < CV_AA )
|
|
|
|
{
|
|
|
|
t0.y = pt0.y; t1.y = pt1.y;
|
|
|
|
t0.x = (pt0.x + (XY_ONE >> 1)) >> XY_SHIFT;
|
|
|
|
t1.x = (pt1.x + (XY_ONE >> 1)) >> XY_SHIFT;
|
|
|
|
Line( img, t0, t1, color, line_type );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
t0.x = pt0.x; t1.x = pt1.x;
|
|
|
|
t0.y = pt0.y << XY_SHIFT;
|
|
|
|
t1.y = pt1.y << XY_SHIFT;
|
|
|
|
LineAA( img, t0, t1, color );
|
|
|
|
}
|
|
|
|
|
|
|
|
if( pt0.y == pt1.y )
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if( pt0.y < pt1.y )
|
|
|
|
{
|
|
|
|
edge.y0 = pt0.y;
|
|
|
|
edge.y1 = pt1.y;
|
|
|
|
edge.x = pt0.x;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
edge.y0 = pt1.y;
|
|
|
|
edge.y1 = pt0.y;
|
|
|
|
edge.x = pt1.x;
|
|
|
|
}
|
|
|
|
edge.dx = (pt1.x - pt0.x) / (pt1.y - pt0.y);
|
|
|
|
edges.push_back(edge);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
struct CmpEdges
|
|
|
|
{
|
|
|
|
bool operator ()(const PolyEdge& e1, const PolyEdge& e2)
|
|
|
|
{
|
|
|
|
return e1.y0 - e2.y0 ? e1.y0 < e2.y0 :
|
|
|
|
e1.x - e2.x ? e1.x < e2.x : e1.dx < e2.dx;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
/**************** helper macros and functions for sequence/contour processing ***********/
|
|
|
|
|
|
|
|
static void
|
|
|
|
FillEdgeCollection( Mat& img, vector<PolyEdge>& edges, const void* color )
|
|
|
|
{
|
|
|
|
PolyEdge tmp;
|
|
|
|
int i, y, total = (int)edges.size();
|
|
|
|
Size size = img.size();
|
|
|
|
PolyEdge* e;
|
|
|
|
int y_max = INT_MIN, x_max = INT_MIN, y_min = INT_MAX, x_min = INT_MAX;
|
|
|
|
int pix_size = (int)img.elemSize();
|
|
|
|
|
|
|
|
if( total < 2 )
|
|
|
|
return;
|
|
|
|
|
|
|
|
for( i = 0; i < total; i++ )
|
|
|
|
{
|
|
|
|
PolyEdge& e1 = edges[i];
|
|
|
|
assert( e1.y0 < e1.y1 );
|
|
|
|
y_min = std::min( y_min, e1.y0 );
|
|
|
|
y_max = std::max( y_max, e1.y1 );
|
|
|
|
x_min = std::min( x_min, e1.x );
|
|
|
|
x_max = std::max( x_max, e1.x );
|
|
|
|
}
|
|
|
|
|
|
|
|
if( y_max < 0 || y_min >= size.height || x_max < 0 || x_min >= (size.width<<XY_SHIFT) )
|
|
|
|
return;
|
|
|
|
|
|
|
|
std::sort( edges.begin(), edges.end(), CmpEdges() );
|
|
|
|
|
|
|
|
// start drawing
|
|
|
|
tmp.y0 = INT_MAX;
|
|
|
|
edges.push_back(tmp); // after this point we do not add
|
|
|
|
// any elements to edges, thus we can use pointers
|
|
|
|
i = 0;
|
|
|
|
tmp.next = 0;
|
|
|
|
e = &edges[i];
|
|
|
|
y_max = MIN( y_max, size.height );
|
|
|
|
|
|
|
|
for( y = e->y0; y < y_max; y++ )
|
|
|
|
{
|
|
|
|
PolyEdge *last, *prelast, *keep_prelast;
|
|
|
|
int sort_flag = 0;
|
|
|
|
int draw = 0;
|
|
|
|
int clipline = y < 0;
|
|
|
|
|
|
|
|
prelast = &tmp;
|
|
|
|
last = tmp.next;
|
|
|
|
while( last || e->y0 == y )
|
|
|
|
{
|
|
|
|
if( last && last->y1 == y )
|
|
|
|
{
|
|
|
|
// exclude edge if y reachs its lower point
|
|
|
|
prelast->next = last->next;
|
|
|
|
last = last->next;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
keep_prelast = prelast;
|
|
|
|
if( last && (e->y0 > y || last->x < e->x) )
|
|
|
|
{
|
|
|
|
// go to the next edge in active list
|
|
|
|
prelast = last;
|
|
|
|
last = last->next;
|
|
|
|
}
|
|
|
|
else if( i < total )
|
|
|
|
{
|
|
|
|
// insert new edge into active list if y reachs its upper point
|
|
|
|
prelast->next = e;
|
|
|
|
e->next = last;
|
|
|
|
prelast = e;
|
|
|
|
e = &edges[++i];
|
|
|
|
}
|
|
|
|
else
|
|
|
|
break;
|
|
|
|
|
|
|
|
if( draw )
|
|
|
|
{
|
|
|
|
if( !clipline )
|
|
|
|
{
|
|
|
|
// convert x's from fixed-point to image coordinates
|
|
|
|
uchar *timg = img.data + y * img.step;
|
|
|
|
int x1 = keep_prelast->x;
|
|
|
|
int x2 = prelast->x;
|
|
|
|
|
|
|
|
if( x1 > x2 )
|
|
|
|
{
|
|
|
|
int t = x1;
|
|
|
|
|
|
|
|
x1 = x2;
|
|
|
|
x2 = t;
|
|
|
|
}
|
|
|
|
|
|
|
|
x1 = (x1 + XY_ONE - 1) >> XY_SHIFT;
|
|
|
|
x2 = x2 >> XY_SHIFT;
|
|
|
|
|
|
|
|
// clip and draw the line
|
|
|
|
if( x1 < size.width && x2 >= 0 )
|
|
|
|
{
|
|
|
|
if( x1 < 0 )
|
|
|
|
x1 = 0;
|
|
|
|
if( x2 >= size.width )
|
|
|
|
x2 = size.width - 1;
|
|
|
|
ICV_HLINE( timg, x1, x2, color, pix_size );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
keep_prelast->x += keep_prelast->dx;
|
|
|
|
prelast->x += prelast->dx;
|
|
|
|
}
|
|
|
|
draw ^= 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
// sort edges (using bubble sort)
|
|
|
|
keep_prelast = 0;
|
|
|
|
|
|
|
|
do
|
|
|
|
{
|
|
|
|
prelast = &tmp;
|
|
|
|
last = tmp.next;
|
|
|
|
|
|
|
|
while( last != keep_prelast && last->next != 0 )
|
|
|
|
{
|
|
|
|
PolyEdge *te = last->next;
|
|
|
|
|
|
|
|
// swap edges
|
|
|
|
if( last->x > te->x )
|
|
|
|
{
|
|
|
|
prelast->next = te;
|
|
|
|
last->next = te->next;
|
|
|
|
te->next = last;
|
|
|
|
prelast = te;
|
|
|
|
sort_flag = 1;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
prelast = last;
|
|
|
|
last = te;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
keep_prelast = prelast;
|
|
|
|
}
|
|
|
|
while( sort_flag && keep_prelast != tmp.next && keep_prelast != &tmp );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* draws simple or filled circle */
|
|
|
|
static void
|
|
|
|
Circle( Mat& img, Point center, int radius, const void* color, int fill )
|
|
|
|
{
|
|
|
|
Size size = img.size();
|
|
|
|
size_t step = img.step;
|
|
|
|
int pix_size = (int)img.elemSize();
|
|
|
|
uchar* ptr = img.data;
|
|
|
|
int err = 0, dx = radius, dy = 0, plus = 1, minus = (radius << 1) - 1;
|
|
|
|
int inside = center.x >= radius && center.x < size.width - radius &&
|
|
|
|
center.y >= radius && center.y < size.height - radius;
|
|
|
|
|
|
|
|
#define ICV_PUT_POINT( ptr, x ) \
|
|
|
|
memcpy( ptr + (x)*pix_size, color, pix_size );
|
|
|
|
|
|
|
|
while( dx >= dy )
|
|
|
|
{
|
|
|
|
int mask;
|
|
|
|
int y11 = center.y - dy, y12 = center.y + dy, y21 = center.y - dx, y22 = center.y + dx;
|
|
|
|
int x11 = center.x - dx, x12 = center.x + dx, x21 = center.x - dy, x22 = center.x + dy;
|
|
|
|
|
|
|
|
if( inside )
|
|
|
|
{
|
|
|
|
uchar *tptr0 = ptr + y11 * step;
|
|
|
|
uchar *tptr1 = ptr + y12 * step;
|
|
|
|
|
|
|
|
if( !fill )
|
|
|
|
{
|
|
|
|
ICV_PUT_POINT( tptr0, x11 );
|
|
|
|
ICV_PUT_POINT( tptr1, x11 );
|
|
|
|
ICV_PUT_POINT( tptr0, x12 );
|
|
|
|
ICV_PUT_POINT( tptr1, x12 );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ICV_HLINE( tptr0, x11, x12, color, pix_size );
|
|
|
|
ICV_HLINE( tptr1, x11, x12, color, pix_size );
|
|
|
|
}
|
|
|
|
|
|
|
|
tptr0 = ptr + y21 * step;
|
|
|
|
tptr1 = ptr + y22 * step;
|
|
|
|
|
|
|
|
if( !fill )
|
|
|
|
{
|
|
|
|
ICV_PUT_POINT( tptr0, x21 );
|
|
|
|
ICV_PUT_POINT( tptr1, x21 );
|
|
|
|
ICV_PUT_POINT( tptr0, x22 );
|
|
|
|
ICV_PUT_POINT( tptr1, x22 );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ICV_HLINE( tptr0, x21, x22, color, pix_size );
|
|
|
|
ICV_HLINE( tptr1, x21, x22, color, pix_size );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if( x11 < size.width && x12 >= 0 && y21 < size.height && y22 >= 0 )
|
|
|
|
{
|
|
|
|
if( fill )
|
|
|
|
{
|
|
|
|
x11 = std::max( x11, 0 );
|
|
|
|
x12 = MIN( x12, size.width - 1 );
|
|
|
|
}
|
|
|
|
|
|
|
|
if( (unsigned)y11 < (unsigned)size.height )
|
|
|
|
{
|
|
|
|
uchar *tptr = ptr + y11 * step;
|
|
|
|
|
|
|
|
if( !fill )
|
|
|
|
{
|
|
|
|
if( x11 >= 0 )
|
|
|
|
ICV_PUT_POINT( tptr, x11 );
|
|
|
|
if( x12 < size.width )
|
|
|
|
ICV_PUT_POINT( tptr, x12 );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
ICV_HLINE( tptr, x11, x12, color, pix_size );
|
|
|
|
}
|
|
|
|
|
|
|
|
if( (unsigned)y12 < (unsigned)size.height )
|
|
|
|
{
|
|
|
|
uchar *tptr = ptr + y12 * step;
|
|
|
|
|
|
|
|
if( !fill )
|
|
|
|
{
|
|
|
|
if( x11 >= 0 )
|
|
|
|
ICV_PUT_POINT( tptr, x11 );
|
|
|
|
if( x12 < size.width )
|
|
|
|
ICV_PUT_POINT( tptr, x12 );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
ICV_HLINE( tptr, x11, x12, color, pix_size );
|
|
|
|
}
|
|
|
|
|
|
|
|
if( x21 < size.width && x22 >= 0 )
|
|
|
|
{
|
|
|
|
if( fill )
|
|
|
|
{
|
|
|
|
x21 = std::max( x21, 0 );
|
|
|
|
x22 = MIN( x22, size.width - 1 );
|
|
|
|
}
|
|
|
|
|
|
|
|
if( (unsigned)y21 < (unsigned)size.height )
|
|
|
|
{
|
|
|
|
uchar *tptr = ptr + y21 * step;
|
|
|
|
|
|
|
|
if( !fill )
|
|
|
|
{
|
|
|
|
if( x21 >= 0 )
|
|
|
|
ICV_PUT_POINT( tptr, x21 );
|
|
|
|
if( x22 < size.width )
|
|
|
|
ICV_PUT_POINT( tptr, x22 );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
ICV_HLINE( tptr, x21, x22, color, pix_size );
|
|
|
|
}
|
|
|
|
|
|
|
|
if( (unsigned)y22 < (unsigned)size.height )
|
|
|
|
{
|
|
|
|
uchar *tptr = ptr + y22 * step;
|
|
|
|
|
|
|
|
if( !fill )
|
|
|
|
{
|
|
|
|
if( x21 >= 0 )
|
|
|
|
ICV_PUT_POINT( tptr, x21 );
|
|
|
|
if( x22 < size.width )
|
|
|
|
ICV_PUT_POINT( tptr, x22 );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
ICV_HLINE( tptr, x21, x22, color, pix_size );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
dy++;
|
|
|
|
err += plus;
|
|
|
|
plus += 2;
|
|
|
|
|
|
|
|
mask = (err <= 0) - 1;
|
|
|
|
|
|
|
|
err -= minus & mask;
|
|
|
|
dx += mask;
|
|
|
|
minus -= mask & 2;
|
|
|
|
}
|
|
|
|
|
|
|
|
#undef ICV_PUT_POINT
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
ThickLine( Mat& img, Point p0, Point p1, const void* color,
|
|
|
|
int thickness, int line_type, int flags, int shift )
|
|
|
|
{
|
|
|
|
static const double INV_XY_ONE = 1./XY_ONE;
|
|
|
|
|
|
|
|
p0.x <<= XY_SHIFT - shift;
|
|
|
|
p0.y <<= XY_SHIFT - shift;
|
|
|
|
p1.x <<= XY_SHIFT - shift;
|
|
|
|
p1.y <<= XY_SHIFT - shift;
|
|
|
|
|
|
|
|
if( thickness <= 1 )
|
|
|
|
{
|
|
|
|
if( line_type < CV_AA )
|
|
|
|
{
|
|
|
|
if( line_type == 1 || line_type == 4 || shift == 0 )
|
|
|
|
{
|
|
|
|
p0.x = (p0.x + (XY_ONE>>1)) >> XY_SHIFT;
|
|
|
|
p0.y = (p0.y + (XY_ONE>>1)) >> XY_SHIFT;
|
|
|
|
p1.x = (p1.x + (XY_ONE>>1)) >> XY_SHIFT;
|
|
|
|
p1.y = (p1.y + (XY_ONE>>1)) >> XY_SHIFT;
|
|
|
|
Line( img, p0, p1, color, line_type );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
Line2( img, p0, p1, color );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
LineAA( img, p0, p1, color );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
Point pt[4], dp = Point(0,0);
|
|
|
|
double dx = (p0.x - p1.x)*INV_XY_ONE, dy = (p1.y - p0.y)*INV_XY_ONE;
|
|
|
|
double r = dx * dx + dy * dy;
|
|
|
|
int i, oddThickness = thickness & 1;
|
|
|
|
thickness <<= XY_SHIFT - 1;
|
|
|
|
|
|
|
|
if( fabs(r) > DBL_EPSILON )
|
|
|
|
{
|
|
|
|
r = (thickness + oddThickness*XY_ONE*0.5)/std::sqrt(r);
|
|
|
|
dp.x = cvRound( dy * r );
|
|
|
|
dp.y = cvRound( dx * r );
|
|
|
|
|
|
|
|
pt[0].x = p0.x + dp.x;
|
|
|
|
pt[0].y = p0.y + dp.y;
|
|
|
|
pt[1].x = p0.x - dp.x;
|
|
|
|
pt[1].y = p0.y - dp.y;
|
|
|
|
pt[2].x = p1.x - dp.x;
|
|
|
|
pt[2].y = p1.y - dp.y;
|
|
|
|
pt[3].x = p1.x + dp.x;
|
|
|
|
pt[3].y = p1.y + dp.y;
|
|
|
|
|
|
|
|
FillConvexPoly( img, pt, 4, color, line_type, XY_SHIFT );
|
|
|
|
}
|
|
|
|
|
|
|
|
for( i = 0; i < 2; i++ )
|
|
|
|
{
|
|
|
|
if( flags & (i+1) )
|
|
|
|
{
|
|
|
|
if( line_type < CV_AA )
|
|
|
|
{
|
|
|
|
Point center;
|
|
|
|
center.x = (p0.x + (XY_ONE>>1)) >> XY_SHIFT;
|
|
|
|
center.y = (p0.y + (XY_ONE>>1)) >> XY_SHIFT;
|
|
|
|
Circle( img, center, (thickness + (XY_ONE>>1)) >> XY_SHIFT, color, 1 );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
EllipseEx( img, p0, cvSize(thickness, thickness),
|
|
|
|
0, 0, 360, color, -1, line_type );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
p0 = p1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
PolyLine( Mat& img, const Point* v, int count, bool is_closed,
|
|
|
|
const void* color, int thickness,
|
|
|
|
int line_type, int shift )
|
|
|
|
{
|
|
|
|
if( !v || count <= 0 )
|
|
|
|
return;
|
|
|
|
|
|
|
|
int i = is_closed ? count - 1 : 0;
|
|
|
|
int flags = 2 + !is_closed;
|
|
|
|
Point p0;
|
|
|
|
CV_Assert( 0 <= shift && shift <= XY_SHIFT && thickness >= 0 );
|
|
|
|
|
|
|
|
p0 = v[i];
|
|
|
|
for( i = !is_closed; i < count; i++ )
|
|
|
|
{
|
|
|
|
Point p = v[i];
|
|
|
|
ThickLine( img, p0, p, color, thickness, line_type, flags, shift );
|
|
|
|
p0 = p;
|
|
|
|
flags = 2;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/****************************************************************************************\
|
|
|
|
* External functions *
|
|
|
|
\****************************************************************************************/
|
|
|
|
|
|
|
|
void line( Mat& img, Point pt1, Point pt2, const Scalar& color,
|
|
|
|
int thickness, int line_type, int shift )
|
|
|
|
{
|
|
|
|
if( line_type == CV_AA && img.depth() != CV_8U )
|
|
|
|
line_type = 8;
|
|
|
|
|
|
|
|
CV_Assert( 0 <= thickness && thickness <= 255 );
|
|
|
|
CV_Assert( 0 <= shift && shift <= XY_SHIFT );
|
|
|
|
|
|
|
|
double buf[4];
|
|
|
|
scalarToRawData( color, buf, img.type(), 0 );
|
|
|
|
ThickLine( img, pt1, pt2, buf, thickness, line_type, 3, shift );
|
|
|
|
}
|
|
|
|
|
|
|
|
void rectangle( Mat& img, Point pt1, Point pt2,
|
|
|
|
const Scalar& color, int thickness,
|
|
|
|
int lineType, int shift )
|
|
|
|
{
|
|
|
|
if( lineType == CV_AA && img.depth() != CV_8U )
|
|
|
|
lineType = 8;
|
|
|
|
|
|
|
|
CV_Assert( thickness <= 255 );
|
|
|
|
CV_Assert( 0 <= shift && shift <= XY_SHIFT );
|
|
|
|
|
|
|
|
double buf[4];
|
|
|
|
scalarToRawData(color, buf, img.type(), 0);
|
|
|
|
|
|
|
|
Point pt[4];
|
|
|
|
|
|
|
|
pt[0] = pt1;
|
|
|
|
pt[1].x = pt2.x;
|
|
|
|
pt[1].y = pt1.y;
|
|
|
|
pt[2] = pt2;
|
|
|
|
pt[3].x = pt1.x;
|
|
|
|
pt[3].y = pt2.y;
|
|
|
|
|
|
|
|
if( thickness >= 0 )
|
|
|
|
PolyLine( img, pt, 4, true, buf, thickness, lineType, shift );
|
|
|
|
else
|
|
|
|
FillConvexPoly( img, pt, 4, buf, lineType, shift );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void rectangle( Mat& img, Rect rec,
|
|
|
|
const Scalar& color, int thickness,
|
|
|
|
int lineType, int shift )
|
|
|
|
{
|
|
|
|
CV_Assert( 0 <= shift && shift <= XY_SHIFT );
|
|
|
|
if( rec.area() > 0 )
|
|
|
|
rectangle( img, rec.tl(), rec.br() - Point(1<<shift,1<<shift),
|
|
|
|
color, thickness, lineType, shift );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void circle( Mat& img, Point center, int radius,
|
|
|
|
const Scalar& color, int thickness, int line_type, int shift )
|
|
|
|
{
|
|
|
|
if( line_type == CV_AA && img.depth() != CV_8U )
|
|
|
|
line_type = 8;
|
|
|
|
|
|
|
|
CV_Assert( radius >= 0 && thickness <= 255 &&
|
|
|
|
0 <= shift && shift <= XY_SHIFT );
|
|
|
|
|
|
|
|
double buf[4];
|
|
|
|
scalarToRawData(color, buf, img.type(), 0);
|
|
|
|
|
|
|
|
if( thickness > 1 || line_type >= CV_AA )
|
|
|
|
{
|
|
|
|
center.x <<= XY_SHIFT - shift;
|
|
|
|
center.y <<= XY_SHIFT - shift;
|
|
|
|
radius <<= XY_SHIFT - shift;
|
|
|
|
EllipseEx( img, center, Size(radius, radius),
|
|
|
|
0, 0, 360, buf, thickness, line_type );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
Circle( img, center, radius, buf, thickness < 0 );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void ellipse( Mat& img, Point center, Size axes,
|
|
|
|
double angle, double start_angle, double end_angle,
|
|
|
|
const Scalar& color, int thickness, int line_type, int shift )
|
|
|
|
{
|
|
|
|
if( line_type == CV_AA && img.depth() != CV_8U )
|
|
|
|
line_type = 8;
|
|
|
|
|
|
|
|
CV_Assert( axes.width >= 0 && axes.height >= 0 &&
|
|
|
|
thickness <= 255 && 0 <= shift && shift <= XY_SHIFT );
|
|
|
|
|
|
|
|
double buf[4];
|
|
|
|
scalarToRawData(color, buf, img.type(), 0);
|
|
|
|
|
|
|
|
int _angle = cvRound(angle);
|
|
|
|
int _start_angle = cvRound(start_angle);
|
|
|
|
int _end_angle = cvRound(end_angle);
|
|
|
|
center.x <<= XY_SHIFT - shift;
|
|
|
|
center.y <<= XY_SHIFT - shift;
|
|
|
|
axes.width <<= XY_SHIFT - shift;
|
|
|
|
axes.height <<= XY_SHIFT - shift;
|
|
|
|
|
|
|
|
EllipseEx( img, center, axes, _angle, _start_angle,
|
|
|
|
_end_angle, buf, thickness, line_type );
|
|
|
|
}
|
|
|
|
|
|
|
|
void ellipse(Mat& img, const RotatedRect& box, const Scalar& color,
|
|
|
|
int thickness, int lineType)
|
|
|
|
{
|
|
|
|
if( lineType == CV_AA && img.depth() != CV_8U )
|
|
|
|
lineType = 8;
|
|
|
|
|
|
|
|
CV_Assert( box.size.width >= 0 && box.size.height >= 0 &&
|
|
|
|
thickness <= 255 );
|
|
|
|
|
|
|
|
double buf[4];
|
|
|
|
scalarToRawData(color, buf, img.type(), 0);
|
|
|
|
|
|
|
|
int _angle = cvRound(box.angle);
|
|
|
|
Point center(cvRound(box.center.x*(1 << XY_SHIFT)),
|
|
|
|
cvRound(box.center.y*(1 << XY_SHIFT)));
|
|
|
|
Size axes(cvRound(box.size.width*(1 << (XY_SHIFT - 1))),
|
|
|
|
cvRound(box.size.height*(1 << (XY_SHIFT - 1))));
|
|
|
|
EllipseEx( img, center, axes, _angle, 0, 360, buf, thickness, lineType );
|
|
|
|
}
|
|
|
|
|
|
|
|
void fillConvexPoly( Mat& img, const Point* pts, int npts,
|
|
|
|
const Scalar& color, int line_type, int shift )
|
|
|
|
{
|
|
|
|
if( !pts || npts <= 0 )
|
|
|
|
return;
|
|
|
|
|
|
|
|
if( line_type == CV_AA && img.depth() != CV_8U )
|
|
|
|
line_type = 8;
|
|
|
|
|
|
|
|
double buf[4];
|
|
|
|
CV_Assert( 0 <= shift && shift <= XY_SHIFT );
|
|
|
|
scalarToRawData(color, buf, img.type(), 0);
|
|
|
|
FillConvexPoly( img, pts, npts, buf, line_type, shift );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void fillPoly( Mat& img, const Point** pts, const int* npts, int ncontours,
|
|
|
|
const Scalar& color, int line_type,
|
|
|
|
int shift, Point offset )
|
|
|
|
{
|
|
|
|
if( line_type == CV_AA && img.depth() != CV_8U )
|
|
|
|
line_type = 8;
|
|
|
|
|
|
|
|
CV_Assert( pts && npts && ncontours >= 0 && 0 <= shift && shift <= XY_SHIFT );
|
|
|
|
|
|
|
|
double buf[4];
|
|
|
|
scalarToRawData(color, buf, img.type(), 0);
|
|
|
|
|
|
|
|
vector<PolyEdge> edges;
|
|
|
|
|
|
|
|
int i, total = 0;
|
|
|
|
for( i = 0; i < ncontours; i++ )
|
|
|
|
total += npts[i];
|
|
|
|
|
|
|
|
edges.reserve( total + 1 );
|
|
|
|
for( i = 0; i < ncontours; i++ )
|
|
|
|
CollectPolyEdges( img, pts[i], npts[i], edges, buf, line_type, shift, offset );
|
|
|
|
|
|
|
|
FillEdgeCollection(img, edges, buf);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void polylines( Mat& img, const Point** pts, const int* npts, int ncontours, bool isClosed,
|
|
|
|
const Scalar& color, int thickness, int line_type, int shift )
|
|
|
|
{
|
|
|
|
if( line_type == CV_AA && img.depth() != CV_8U )
|
|
|
|
line_type = 8;
|
|
|
|
|
|
|
|
CV_Assert( pts && npts && ncontours >= 0 &&
|
|
|
|
0 <= thickness && thickness <= 255 &&
|
|
|
|
0 <= shift && shift <= XY_SHIFT );
|
|
|
|
|
|
|
|
double buf[4];
|
|
|
|
scalarToRawData( color, buf, img.type(), 0 );
|
|
|
|
|
|
|
|
for( int i = 0; i < ncontours; i++ )
|
|
|
|
PolyLine( img, pts[i], npts[i], isClosed, buf, thickness, line_type, shift );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
enum { FONT_SIZE_SHIFT=8, FONT_ITALIC_ALPHA=(1 << 8),
|
|
|
|
FONT_ITALIC_DIGIT=(2 << 8), FONT_ITALIC_PUNCT=(4 << 8),
|
|
|
|
FONT_ITALIC_BRACES=(8 << 8), FONT_HAVE_GREEK=(16 << 8),
|
|
|
|
FONT_HAVE_CYRILLIC=(32 << 8) };
|
|
|
|
|
|
|
|
static const int HersheyPlain[] = {
|
|
|
|
(5 + 4*16) + FONT_HAVE_GREEK,
|
|
|
|
199, 214, 217, 233, 219, 197, 234, 216, 221, 222, 228, 225, 211, 224, 210, 220,
|
|
|
|
200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 212, 213, 191, 226, 192,
|
|
|
|
215, 190, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
|
|
|
|
14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 193, 84,
|
|
|
|
194, 85, 86, 87, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
|
|
|
|
112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126,
|
|
|
|
195, 223, 196, 88 };
|
|
|
|
|
|
|
|
static const int HersheyPlainItalic[] = {
|
|
|
|
(5 + 4*16) + FONT_ITALIC_ALPHA + FONT_HAVE_GREEK,
|
|
|
|
199, 214, 217, 233, 219, 197, 234, 216, 221, 222, 228, 225, 211, 224, 210, 220,
|
|
|
|
200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 212, 213, 191, 226, 192,
|
|
|
|
215, 190, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
|
|
|
|
64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 193, 84,
|
|
|
|
194, 85, 86, 87, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161,
|
|
|
|
162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176,
|
|
|
|
195, 223, 196, 88 };
|
|
|
|
|
|
|
|
static const int HersheyComplexSmall[] = {
|
|
|
|
(6 + 7*16) + FONT_HAVE_GREEK,
|
|
|
|
1199, 1214, 1217, 1275, 1274, 1271, 1272, 1216, 1221, 1222, 1219, 1232, 1211, 1231, 1210, 1220,
|
|
|
|
1200, 1201, 1202, 1203, 1204, 1205, 1206, 1207, 1208, 1209, 1212, 2213, 1241, 1238, 1242,
|
|
|
|
1215, 1273, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013,
|
|
|
|
1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1223, 1084,
|
|
|
|
1224, 1247, 586, 1249, 1101, 1102, 1103, 1104, 1105, 1106, 1107, 1108, 1109, 1110, 1111,
|
|
|
|
1112, 1113, 1114, 1115, 1116, 1117, 1118, 1119, 1120, 1121, 1122, 1123, 1124, 1125, 1126,
|
|
|
|
1225, 1229, 1226, 1246 };
|
|
|
|
|
|
|
|
static const int HersheyComplexSmallItalic[] = {
|
|
|
|
(6 + 7*16) + FONT_ITALIC_ALPHA + FONT_HAVE_GREEK,
|
|
|
|
1199, 1214, 1217, 1275, 1274, 1271, 1272, 1216, 1221, 1222, 1219, 1232, 1211, 1231, 1210, 1220,
|
|
|
|
1200, 1201, 1202, 1203, 1204, 1205, 1206, 1207, 1208, 1209, 1212, 1213, 1241, 1238, 1242,
|
|
|
|
1215, 1273, 1051, 1052, 1053, 1054, 1055, 1056, 1057, 1058, 1059, 1060, 1061, 1062, 1063,
|
|
|
|
1064, 1065, 1066, 1067, 1068, 1069, 1070, 1071, 1072, 1073, 1074, 1075, 1076, 1223, 1084,
|
|
|
|
1224, 1247, 586, 1249, 1151, 1152, 1153, 1154, 1155, 1156, 1157, 1158, 1159, 1160, 1161,
|
|
|
|
1162, 1163, 1164, 1165, 1166, 1167, 1168, 1169, 1170, 1171, 1172, 1173, 1174, 1175, 1176,
|
|
|
|
1225, 1229, 1226, 1246 };
|
|
|
|
|
|
|
|
static const int HersheySimplex[] = {
|
|
|
|
(9 + 12*16) + FONT_HAVE_GREEK,
|
|
|
|
2199, 714, 717, 733, 719, 697, 734, 716, 721, 722, 728, 725, 711, 724, 710, 720,
|
|
|
|
700, 701, 702, 703, 704, 705, 706, 707, 708, 709, 712, 713, 691, 726, 692,
|
|
|
|
715, 690, 501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512, 513,
|
|
|
|
514, 515, 516, 517, 518, 519, 520, 521, 522, 523, 524, 525, 526, 693, 584,
|
|
|
|
694, 2247, 586, 2249, 601, 602, 603, 604, 605, 606, 607, 608, 609, 610, 611,
|
|
|
|
612, 613, 614, 615, 616, 617, 618, 619, 620, 621, 622, 623, 624, 625, 626,
|
|
|
|
695, 723, 696, 2246 };
|
|
|
|
|
|
|
|
static const int HersheyDuplex[] = {
|
|
|
|
(9 + 12*16) + FONT_HAVE_GREEK,
|
|
|
|
2199, 2714, 2728, 2732, 2719, 2733, 2718, 2727, 2721, 2722, 2723, 2725, 2711, 2724, 2710, 2720,
|
|
|
|
2700, 2701, 2702, 2703, 2704, 2705, 2706, 2707, 2708, 2709, 2712, 2713, 2730, 2726, 2731,
|
|
|
|
2715, 2734, 2501, 2502, 2503, 2504, 2505, 2506, 2507, 2508, 2509, 2510, 2511, 2512, 2513,
|
|
|
|
2514, 2515, 2516, 2517, 2518, 2519, 2520, 2521, 2522, 2523, 2524, 2525, 2526, 2223, 2084,
|
|
|
|
2224, 2247, 587, 2249, 2601, 2602, 2603, 2604, 2605, 2606, 2607, 2608, 2609, 2610, 2611,
|
|
|
|
2612, 2613, 2614, 2615, 2616, 2617, 2618, 2619, 2620, 2621, 2622, 2623, 2624, 2625, 2626,
|
|
|
|
2225, 2229, 2226, 2246 };
|
|
|
|
|
|
|
|
static const int HersheyComplex[] = {
|
|
|
|
(9 + 12*16) + FONT_HAVE_GREEK + FONT_HAVE_CYRILLIC,
|
|
|
|
2199, 2214, 2217, 2275, 2274, 2271, 2272, 2216, 2221, 2222, 2219, 2232, 2211, 2231, 2210, 2220,
|
|
|
|
2200, 2201, 2202, 2203, 2204, 2205, 2206, 2207, 2208, 2209, 2212, 2213, 2241, 2238, 2242,
|
|
|
|
2215, 2273, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013,
|
|
|
|
2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026, 2223, 2084,
|
|
|
|
2224, 2247, 587, 2249, 2101, 2102, 2103, 2104, 2105, 2106, 2107, 2108, 2109, 2110, 2111,
|
|
|
|
2112, 2113, 2114, 2115, 2116, 2117, 2118, 2119, 2120, 2121, 2122, 2123, 2124, 2125, 2126,
|
|
|
|
2225, 2229, 2226, 2246 };
|
|
|
|
|
|
|
|
static const int HersheyComplexItalic[] = {
|
|
|
|
(9 + 12*16) + FONT_ITALIC_ALPHA + FONT_ITALIC_DIGIT + FONT_ITALIC_PUNCT +
|
|
|
|
FONT_HAVE_GREEK + FONT_HAVE_CYRILLIC,
|
|
|
|
2199, 2764, 2778, 2782, 2769, 2783, 2768, 2777, 2771, 2772, 2219, 2232, 2211, 2231, 2210, 2220,
|
|
|
|
2750, 2751, 2752, 2753, 2754, 2755, 2756, 2757, 2758, 2759, 2212, 2213, 2241, 2238, 2242,
|
|
|
|
2765, 2273, 2051, 2052, 2053, 2054, 2055, 2056, 2057, 2058, 2059, 2060, 2061, 2062, 2063,
|
|
|
|
2064, 2065, 2066, 2067, 2068, 2069, 2070, 2071, 2072, 2073, 2074, 2075, 2076, 2223, 2084,
|
|
|
|
2224, 2247, 587, 2249, 2151, 2152, 2153, 2154, 2155, 2156, 2157, 2158, 2159, 2160, 2161,
|
|
|
|
2162, 2163, 2164, 2165, 2166, 2167, 2168, 2169, 2170, 2171, 2172, 2173, 2174, 2175, 2176,
|
|
|
|
2225, 2229, 2226, 2246 };
|
|
|
|
|
|
|
|
static const int HersheyTriplex[] = {
|
|
|
|
(9 + 12*16) + FONT_HAVE_GREEK,
|
|
|
|
2199, 3214, 3228, 3232, 3219, 3233, 3218, 3227, 3221, 3222, 3223, 3225, 3211, 3224, 3210, 3220,
|
|
|
|
3200, 3201, 3202, 3203, 3204, 3205, 3206, 3207, 3208, 3209, 3212, 3213, 3230, 3226, 3231,
|
|
|
|
3215, 3234, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010, 3011, 3012, 3013,
|
|
|
|
2014, 3015, 3016, 3017, 3018, 3019, 3020, 3021, 3022, 3023, 3024, 3025, 3026, 2223, 2084,
|
|
|
|
2224, 2247, 587, 2249, 3101, 3102, 3103, 3104, 3105, 3106, 3107, 3108, 3109, 3110, 3111,
|
|
|
|
3112, 3113, 3114, 3115, 3116, 3117, 3118, 3119, 3120, 3121, 3122, 3123, 3124, 3125, 3126,
|
|
|
|
2225, 2229, 2226, 2246 };
|
|
|
|
|
|
|
|
static const int HersheyTriplexItalic[] = {
|
|
|
|
(9 + 12*16) + FONT_ITALIC_ALPHA + FONT_ITALIC_DIGIT +
|
|
|
|
FONT_ITALIC_PUNCT + FONT_HAVE_GREEK,
|
|
|
|
2199, 3264, 3278, 3282, 3269, 3233, 3268, 3277, 3271, 3272, 3223, 3225, 3261, 3224, 3260, 3270,
|
|
|
|
3250, 3251, 3252, 3253, 3254, 3255, 3256, 3257, 3258, 3259, 3262, 3263, 3230, 3226, 3231,
|
|
|
|
3265, 3234, 3051, 3052, 3053, 3054, 3055, 3056, 3057, 3058, 3059, 3060, 3061, 3062, 3063,
|
|
|
|
2064, 3065, 3066, 3067, 3068, 3069, 3070, 3071, 3072, 3073, 3074, 3075, 3076, 2223, 2084,
|
|
|
|
2224, 2247, 587, 2249, 3151, 3152, 3153, 3154, 3155, 3156, 3157, 3158, 3159, 3160, 3161,
|
|
|
|
3162, 3163, 3164, 3165, 3166, 3167, 3168, 3169, 3170, 3171, 3172, 3173, 3174, 3175, 3176,
|
|
|
|
2225, 2229, 2226, 2246 };
|
|
|
|
|
|
|
|
static const int HersheyScriptSimplex[] = {
|
|
|
|
(9 + 12*16) + FONT_ITALIC_ALPHA + FONT_HAVE_GREEK,
|
|
|
|
2199, 714, 717, 733, 719, 697, 734, 716, 721, 722, 728, 725, 711, 724, 710, 720,
|
|
|
|
700, 701, 702, 703, 704, 705, 706, 707, 708, 709, 712, 713, 691, 726, 692,
|
|
|
|
715, 690, 551, 552, 553, 554, 555, 556, 557, 558, 559, 560, 561, 562, 563,
|
|
|
|
564, 565, 566, 567, 568, 569, 570, 571, 572, 573, 574, 575, 576, 693, 584,
|
|
|
|
694, 2247, 586, 2249, 651, 652, 653, 654, 655, 656, 657, 658, 659, 660, 661,
|
|
|
|
662, 663, 664, 665, 666, 667, 668, 669, 670, 671, 672, 673, 674, 675, 676,
|
|
|
|
695, 723, 696, 2246 };
|
|
|
|
|
|
|
|
static const int HersheyScriptComplex[] = {
|
|
|
|
(9 + 12*16) + FONT_ITALIC_ALPHA + FONT_ITALIC_DIGIT + FONT_ITALIC_PUNCT + FONT_HAVE_GREEK,
|
|
|
|
2199, 2764, 2778, 2782, 2769, 2783, 2768, 2777, 2771, 2772, 2219, 2232, 2211, 2231, 2210, 2220,
|
|
|
|
2750, 2751, 2752, 2753, 2754, 2755, 2756, 2757, 2758, 2759, 2212, 2213, 2241, 2238, 2242,
|
|
|
|
2215, 2273, 2551, 2552, 2553, 2554, 2555, 2556, 2557, 2558, 2559, 2560, 2561, 2562, 2563,
|
|
|
|
2564, 2565, 2566, 2567, 2568, 2569, 2570, 2571, 2572, 2573, 2574, 2575, 2576, 2223, 2084,
|
|
|
|
2224, 2247, 586, 2249, 2651, 2652, 2653, 2654, 2655, 2656, 2657, 2658, 2659, 2660, 2661,
|
|
|
|
2662, 2663, 2664, 2665, 2666, 2667, 2668, 2669, 2670, 2671, 2672, 2673, 2674, 2675, 2676,
|
|
|
|
2225, 2229, 2226, 2246 };
|
|
|
|
|
|
|
|
|
|
|
|
static const int* getFontData(int fontFace)
|
|
|
|
{
|
|
|
|
bool isItalic = (fontFace & FONT_ITALIC) != 0;
|
|
|
|
const int* ascii = 0;
|
|
|
|
|
|
|
|
switch( fontFace & 15 )
|
|
|
|
{
|
|
|
|
case FONT_HERSHEY_SIMPLEX:
|
|
|
|
ascii = HersheySimplex;
|
|
|
|
break;
|
|
|
|
case FONT_HERSHEY_PLAIN:
|
|
|
|
ascii = !isItalic ? HersheyPlain : HersheyPlainItalic;
|
|
|
|
break;
|
|
|
|
case FONT_HERSHEY_DUPLEX:
|
|
|
|
ascii = HersheyDuplex;
|
|
|
|
break;
|
|
|
|
case FONT_HERSHEY_COMPLEX:
|
|
|
|
ascii = !isItalic ? HersheyComplex : HersheyComplexItalic;
|
|
|
|
break;
|
|
|
|
case FONT_HERSHEY_TRIPLEX:
|
|
|
|
ascii = !isItalic ? HersheyTriplex : HersheyTriplexItalic;
|
|
|
|
break;
|
|
|
|
case FONT_HERSHEY_COMPLEX_SMALL:
|
|
|
|
ascii = !isItalic ? HersheyComplexSmall : HersheyComplexSmallItalic;
|
|
|
|
break;
|
|
|
|
case FONT_HERSHEY_SCRIPT_SIMPLEX:
|
|
|
|
ascii = HersheyScriptSimplex;
|
|
|
|
break;
|
|
|
|
case FONT_HERSHEY_SCRIPT_COMPLEX:
|
|
|
|
ascii = HersheyScriptComplex;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
CV_Error( CV_StsOutOfRange, "Unknown font type" );
|
|
|
|
}
|
|
|
|
return ascii;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void putText( Mat& img, const string& text, Point org,
|
|
|
|
int fontFace, double fontScale, Scalar color,
|
|
|
|
int thickness, int line_type, bool bottomLeftOrigin )
|
|
|
|
|
|
|
|
{
|
|
|
|
const int* ascii = getFontData(fontFace);
|
|
|
|
|
|
|
|
double buf[4];
|
|
|
|
scalarToRawData(color, buf, img.type(), 0);
|
|
|
|
|
|
|
|
int base_line = -(ascii[0] & 15);
|
|
|
|
int hscale = cvRound(fontScale*XY_ONE), vscale = hscale;
|
|
|
|
|
|
|
|
if( line_type == CV_AA && img.depth() != CV_8U )
|
|
|
|
line_type = 8;
|
|
|
|
|
|
|
|
if( bottomLeftOrigin )
|
|
|
|
vscale = -vscale;
|
|
|
|
|
|
|
|
int view_x = org.x << XY_SHIFT;
|
|
|
|
int view_y = (org.y << XY_SHIFT) + base_line*vscale;
|
|
|
|
vector<Point> pts;
|
|
|
|
pts.reserve(1 << 10);
|
|
|
|
const char **faces = cv::g_HersheyGlyphs;
|
|
|
|
|
|
|
|
for( int i = 0; text[i] != '\0'; i++ )
|
|
|
|
{
|
|
|
|
int c = (uchar)text[i];
|
|
|
|
Point p;
|
|
|
|
|
|
|
|
if( c >= 127 || c < ' ' )
|
|
|
|
c = '?';
|
|
|
|
|
|
|
|
const char* ptr = faces[ascii[(c-' ')+1]];
|
|
|
|
p.x = (uchar)ptr[0] - 'R';
|
|
|
|
p.y = (uchar)ptr[1] - 'R';
|
|
|
|
int dx = p.y*hscale;
|
|
|
|
view_x -= p.x*hscale;
|
|
|
|
pts.resize(0);
|
|
|
|
|
|
|
|
for( ptr += 2;; )
|
|
|
|
{
|
|
|
|
if( *ptr == ' ' || !*ptr )
|
|
|
|
{
|
|
|
|
if( pts.size() > 1 )
|
|
|
|
PolyLine( img, &pts[0], (int)pts.size(), false, buf, thickness, line_type, XY_SHIFT );
|
|
|
|
if( !*ptr++ )
|
|
|
|
break;
|
|
|
|
pts.resize(0);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
p.x = (uchar)ptr[0] - 'R';
|
|
|
|
p.y = (uchar)ptr[1] - 'R';
|
|
|
|
ptr += 2;
|
|
|
|
pts.push_back(Point(p.x*hscale + view_x, p.y*vscale + view_y));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
view_x += dx;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
Size getTextSize( const string& text, int fontFace, double fontScale, int thickness, int* _base_line)
|
|
|
|
{
|
|
|
|
Size size;
|
|
|
|
double view_x = 0;
|
|
|
|
const char **faces = cv::g_HersheyGlyphs;
|
|
|
|
const int* ascii = getFontData(fontFace);
|
|
|
|
|
|
|
|
int base_line = (ascii[0] & 15);
|
|
|
|
int cap_line = (ascii[0] >> 4) & 15;
|
|
|
|
size.height = cvRound((cap_line + base_line)*fontScale + (thickness+1)/2);
|
|
|
|
|
|
|
|
for( int i = 0; text[i] != '\0'; i++ )
|
|
|
|
{
|
|
|
|
int c = (uchar)text[i];
|
|
|
|
Point p;
|
|
|
|
|
|
|
|
if( c >= 127 || c < ' ' )
|
|
|
|
c = '?';
|
|
|
|
|
|
|
|
const char* ptr = faces[ascii[(c-' ')+1]];
|
|
|
|
p.x = (uchar)ptr[0] - 'R';
|
|
|
|
p.y = (uchar)ptr[1] - 'R';
|
|
|
|
view_x += (p.y - p.x)*fontScale;
|
|
|
|
}
|
|
|
|
|
|
|
|
size.width = cvRound(view_x + thickness);
|
|
|
|
if( _base_line )
|
|
|
|
*_base_line = cvRound(base_line*fontScale + thickness*0.5);
|
|
|
|
return size;
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cv::fillConvexPoly(InputOutputArray _img, InputArray _points,
|
|
|
|
const Scalar& color, int lineType, int shift)
|
|
|
|
{
|
|
|
|
Mat img = _img.getMat(), points = _points.getMat();
|
|
|
|
CV_Assert(points.checkVector(2, CV_32S) >= 0);
|
|
|
|
fillConvexPoly(img, (const Point*)points.data, points.rows*points.cols*points.channels()/2, color, lineType, shift);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cv::fillPoly(InputOutputArray _img, InputArrayOfArrays pts,
|
|
|
|
const Scalar& color, int lineType, int shift, Point offset)
|
|
|
|
{
|
|
|
|
Mat img = _img.getMat();
|
|
|
|
int i, ncontours = (int)pts.total();
|
|
|
|
if( ncontours == 0 )
|
|
|
|
return;
|
|
|
|
AutoBuffer<Point*> _ptsptr(ncontours);
|
|
|
|
AutoBuffer<int> _npts(ncontours);
|
|
|
|
Point** ptsptr = _ptsptr;
|
|
|
|
int* npts = _npts;
|
|
|
|
|
|
|
|
for( i = 0; i < ncontours; i++ )
|
|
|
|
{
|
|
|
|
Mat p = pts.getMat(i);
|
|
|
|
CV_Assert(p.checkVector(2, CV_32S) >= 0);
|
|
|
|
ptsptr[i] = (Point*)p.data;
|
|
|
|
npts[i] = p.rows*p.cols*p.channels()/2;
|
|
|
|
}
|
|
|
|
fillPoly(img, (const Point**)ptsptr, npts, (int)ncontours, color, lineType, shift, offset);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cv::polylines(InputOutputArray _img, InputArrayOfArrays pts,
|
|
|
|
bool isClosed, const Scalar& color,
|
|
|
|
int thickness, int lineType, int shift )
|
|
|
|
{
|
|
|
|
Mat img = _img.getMat();
|
|
|
|
bool manyContours = pts.kind() == _InputArray::STD_VECTOR_VECTOR ||
|
|
|
|
pts.kind() == _InputArray::STD_VECTOR_MAT;
|
|
|
|
int i, ncontours = manyContours ? (int)pts.total() : 1;
|
|
|
|
if( ncontours == 0 )
|
|
|
|
return;
|
|
|
|
AutoBuffer<Point*> _ptsptr(ncontours);
|
|
|
|
AutoBuffer<int> _npts(ncontours);
|
|
|
|
Point** ptsptr = _ptsptr;
|
|
|
|
int* npts = _npts;
|
|
|
|
|
|
|
|
for( i = 0; i < ncontours; i++ )
|
|
|
|
{
|
|
|
|
Mat p = pts.getMat(manyContours ? i : -1);
|
|
|
|
if( p.total() == 0 )
|
|
|
|
continue;
|
|
|
|
CV_Assert(p.checkVector(2, CV_32S) >= 0);
|
|
|
|
ptsptr[i] = (Point*)p.data;
|
|
|
|
npts[i] = p.rows*p.cols*p.channels()/2;
|
|
|
|
}
|
|
|
|
polylines(img, (const Point**)ptsptr, npts, (int)ncontours, isClosed, color, thickness, lineType, shift);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static const int CodeDeltas[8][2] =
|
|
|
|
{ {1, 0}, {1, -1}, {0, -1}, {-1, -1}, {-1, 0}, {-1, 1}, {0, 1}, {1, 1} };
|
|
|
|
|
|
|
|
#define CV_ADJUST_EDGE_COUNT( count, seq ) \
|
|
|
|
((count) -= ((count) == (seq)->total && !CV_IS_SEQ_CLOSED(seq)))
|
|
|
|
|
|
|
|
CV_IMPL void
|
|
|
|
cvDrawContours( void* _img, CvSeq* contour,
|
|
|
|
CvScalar _externalColor, CvScalar _holeColor,
|
|
|
|
int maxLevel, int thickness,
|
|
|
|
int line_type, CvPoint _offset )
|
|
|
|
{
|
|
|
|
CvSeq *contour0 = contour, *h_next = 0;
|
|
|
|
CvTreeNodeIterator iterator;
|
|
|
|
cv::vector<cv::PolyEdge> edges;
|
|
|
|
cv::vector<cv::Point> pts;
|
|
|
|
cv::Scalar externalColor = _externalColor, holeColor = _holeColor;
|
|
|
|
cv::Mat img = cv::cvarrToMat(_img);
|
|
|
|
cv::Point offset = _offset;
|
|
|
|
double ext_buf[4], hole_buf[4];
|
|
|
|
|
|
|
|
if( line_type == CV_AA && img.depth() != CV_8U )
|
|
|
|
line_type = 8;
|
|
|
|
|
|
|
|
if( !contour )
|
|
|
|
return;
|
|
|
|
|
|
|
|
CV_Assert( thickness <= 255 );
|
|
|
|
|
|
|
|
scalarToRawData( externalColor, ext_buf, img.type(), 0 );
|
|
|
|
scalarToRawData( holeColor, hole_buf, img.type(), 0 );
|
|
|
|
|
|
|
|
maxLevel = MAX(maxLevel, INT_MIN+2);
|
|
|
|
maxLevel = MIN(maxLevel, INT_MAX-1);
|
|
|
|
|
|
|
|
if( maxLevel < 0 )
|
|
|
|
{
|
|
|
|
h_next = contour->h_next;
|
|
|
|
contour->h_next = 0;
|
|
|
|
maxLevel = -maxLevel+1;
|
|
|
|
}
|
|
|
|
|
|
|
|
cvInitTreeNodeIterator( &iterator, contour, maxLevel );
|
|
|
|
while( (contour = (CvSeq*)cvNextTreeNode( &iterator )) != 0 )
|
|
|
|
{
|
|
|
|
CvSeqReader reader;
|
|
|
|
int i, count = contour->total;
|
|
|
|
int elem_type = CV_MAT_TYPE(contour->flags);
|
|
|
|
void* clr = (contour->flags & CV_SEQ_FLAG_HOLE) == 0 ? ext_buf : hole_buf;
|
|
|
|
|
|
|
|
cvStartReadSeq( contour, &reader, 0 );
|
|
|
|
if( thickness < 0 )
|
|
|
|
pts.resize(0);
|
|
|
|
|
|
|
|
if( CV_IS_SEQ_CHAIN_CONTOUR( contour ))
|
|
|
|
{
|
|
|
|
cv::Point pt = ((CvChain*)contour)->origin;
|
|
|
|
cv::Point prev_pt = pt;
|
|
|
|
char prev_code = reader.ptr ? reader.ptr[0] : '\0';
|
|
|
|
|
|
|
|
prev_pt += offset;
|
|
|
|
|
|
|
|
for( i = 0; i < count; i++ )
|
|
|
|
{
|
|
|
|
char code;
|
|
|
|
CV_READ_SEQ_ELEM( code, reader );
|
|
|
|
|
|
|
|
assert( (code & ~7) == 0 );
|
|
|
|
|
|
|
|
if( code != prev_code )
|
|
|
|
{
|
|
|
|
prev_code = code;
|
|
|
|
if( thickness >= 0 )
|
|
|
|
cv::ThickLine( img, prev_pt, pt, clr, thickness, line_type, 2, 0 );
|
|
|
|
else
|
|
|
|
pts.push_back(pt);
|
|
|
|
prev_pt = pt;
|
|
|
|
}
|
|
|
|
|
|
|
|
pt.x += CodeDeltas[(int)code][0];
|
|
|
|
pt.y += CodeDeltas[(int)code][1];
|
|
|
|
}
|
|
|
|
|
|
|
|
if( thickness >= 0 )
|
|
|
|
cv::ThickLine( img, prev_pt,
|
|
|
|
cv::Point(((CvChain*)contour)->origin) + offset,
|
|
|
|
clr, thickness, line_type, 2, 0 );
|
|
|
|
else
|
|
|
|
cv::CollectPolyEdges(img, &pts[0], (int)pts.size(),
|
|
|
|
edges, ext_buf, line_type, 0, offset);
|
|
|
|
}
|
|
|
|
else if( CV_IS_SEQ_POLYLINE( contour ))
|
|
|
|
{
|
|
|
|
CV_Assert( elem_type == CV_32SC2 );
|
|
|
|
cv::Point pt1, pt2;
|
|
|
|
int shift = 0;
|
|
|
|
|
|
|
|
count -= !CV_IS_SEQ_CLOSED(contour);
|
|
|
|
CV_READ_SEQ_ELEM( pt1, reader );
|
|
|
|
pt1 += offset;
|
|
|
|
if( thickness < 0 )
|
|
|
|
pts.push_back(pt1);
|
|
|
|
|
|
|
|
for( i = 0; i < count; i++ )
|
|
|
|
{
|
|
|
|
CV_READ_SEQ_ELEM( pt2, reader );
|
|
|
|
pt2 += offset;
|
|
|
|
if( thickness >= 0 )
|
|
|
|
cv::ThickLine( img, pt1, pt2, clr, thickness, line_type, 2, shift );
|
|
|
|
else
|
|
|
|
pts.push_back(pt2);
|
|
|
|
pt1 = pt2;
|
|
|
|
}
|
|
|
|
if( thickness < 0 )
|
|
|
|
cv::CollectPolyEdges( img, &pts[0], (int)pts.size(),
|
|
|
|
edges, ext_buf, line_type, 0, cv::Point() );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if( thickness < 0 )
|
|
|
|
cv::FillEdgeCollection( img, edges, ext_buf );
|
|
|
|
|
|
|
|
if( h_next && contour0 )
|
|
|
|
contour0->h_next = h_next;
|
|
|
|
}
|
|
|
|
|
|
|
|
CV_IMPL int
|
|
|
|
cvClipLine( CvSize size, CvPoint* pt1, CvPoint* pt2 )
|
|
|
|
{
|
|
|
|
CV_Assert( pt1 && pt2 );
|
|
|
|
return cv::clipLine( size, *(cv::Point*)pt1, *(cv::Point*)pt2 );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
CV_IMPL int
|
|
|
|
cvEllipse2Poly( CvPoint center, CvSize axes, int angle,
|
|
|
|
int arc_start, int arc_end, CvPoint* _pts, int delta )
|
|
|
|
{
|
|
|
|
cv::vector<cv::Point> pts;
|
|
|
|
cv::ellipse2Poly( center, axes, angle, arc_start, arc_end, delta, pts );
|
|
|
|
memcpy( _pts, &pts[0], pts.size()*sizeof(_pts[0]) );
|
|
|
|
return (int)pts.size();
|
|
|
|
}
|
|
|
|
|
|
|
|
CV_IMPL CvScalar
|
|
|
|
cvColorToScalar( double packed_color, int type )
|
|
|
|
{
|
|
|
|
CvScalar scalar;
|
|
|
|
|
|
|
|
if( CV_MAT_DEPTH( type ) == CV_8U )
|
|
|
|
{
|
|
|
|
int icolor = cvRound( packed_color );
|
|
|
|
if( CV_MAT_CN( type ) > 1 )
|
|
|
|
{
|
|
|
|
scalar.val[0] = icolor & 255;
|
|
|
|
scalar.val[1] = (icolor >> 8) & 255;
|
|
|
|
scalar.val[2] = (icolor >> 16) & 255;
|
|
|
|
scalar.val[3] = (icolor >> 24) & 255;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
scalar.val[0] = CV_CAST_8U( icolor );
|
|
|
|
scalar.val[1] = scalar.val[2] = scalar.val[3] = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if( CV_MAT_DEPTH( type ) == CV_8S )
|
|
|
|
{
|
|
|
|
int icolor = cvRound( packed_color );
|
|
|
|
if( CV_MAT_CN( type ) > 1 )
|
|
|
|
{
|
|
|
|
scalar.val[0] = (char)icolor;
|
|
|
|
scalar.val[1] = (char)(icolor >> 8);
|
|
|
|
scalar.val[2] = (char)(icolor >> 16);
|
|
|
|
scalar.val[3] = (char)(icolor >> 24);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
scalar.val[0] = CV_CAST_8S( icolor );
|
|
|
|
scalar.val[1] = scalar.val[2] = scalar.val[3] = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
int cn = CV_MAT_CN( type );
|
|
|
|
switch( cn )
|
|
|
|
{
|
|
|
|
case 1:
|
|
|
|
scalar.val[0] = packed_color;
|
|
|
|
scalar.val[1] = scalar.val[2] = scalar.val[3] = 0;
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
scalar.val[0] = scalar.val[1] = packed_color;
|
|
|
|
scalar.val[2] = scalar.val[3] = 0;
|
|
|
|
break;
|
|
|
|
case 3:
|
|
|
|
scalar.val[0] = scalar.val[1] = scalar.val[2] = packed_color;
|
|
|
|
scalar.val[3] = 0;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
scalar.val[0] = scalar.val[1] =
|
|
|
|
scalar.val[2] = scalar.val[3] = packed_color;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return scalar;
|
|
|
|
}
|
|
|
|
|
|
|
|
CV_IMPL int
|
|
|
|
cvInitLineIterator( const CvArr* img, CvPoint pt1, CvPoint pt2,
|
|
|
|
CvLineIterator* iterator, int connectivity,
|
|
|
|
int left_to_right )
|
|
|
|
{
|
|
|
|
CV_Assert( iterator != 0 );
|
|
|
|
cv::LineIterator li(cv::cvarrToMat(img), pt1, pt2, connectivity, left_to_right!=0);
|
|
|
|
|
|
|
|
iterator->err = li.err;
|
|
|
|
iterator->minus_delta = li.minusDelta;
|
|
|
|
iterator->plus_delta = li.plusDelta;
|
|
|
|
iterator->minus_step = li.minusStep;
|
|
|
|
iterator->plus_step = li.plusStep;
|
|
|
|
iterator->ptr = li.ptr;
|
|
|
|
|
|
|
|
return li.count;
|
|
|
|
}
|
|
|
|
|
|
|
|
CV_IMPL void
|
|
|
|
cvLine( CvArr* _img, CvPoint pt1, CvPoint pt2, CvScalar color,
|
|
|
|
int thickness, int line_type, int shift )
|
|
|
|
{
|
|
|
|
cv::Mat img = cv::cvarrToMat(_img);
|
|
|
|
cv::line( img, pt1, pt2, color, thickness, line_type, shift );
|
|
|
|
}
|
|
|
|
|
|
|
|
CV_IMPL void
|
|
|
|
cvRectangle( CvArr* _img, CvPoint pt1, CvPoint pt2,
|
|
|
|
CvScalar color, int thickness,
|
|
|
|
int line_type, int shift )
|
|
|
|
{
|
|
|
|
cv::Mat img = cv::cvarrToMat(_img);
|
|
|
|
cv::rectangle( img, pt1, pt2, color, thickness, line_type, shift );
|
|
|
|
}
|
|
|
|
|
|
|
|
CV_IMPL void
|
|
|
|
cvRectangleR( CvArr* _img, CvRect rec,
|
|
|
|
CvScalar color, int thickness,
|
|
|
|
int line_type, int shift )
|
|
|
|
{
|
|
|
|
cv::Mat img = cv::cvarrToMat(_img);
|
|
|
|
cv::rectangle( img, rec, color, thickness, line_type, shift );
|
|
|
|
}
|
|
|
|
|
|
|
|
CV_IMPL void
|
|
|
|
cvCircle( CvArr* _img, CvPoint center, int radius,
|
|
|
|
CvScalar color, int thickness, int line_type, int shift )
|
|
|
|
{
|
|
|
|
cv::Mat img = cv::cvarrToMat(_img);
|
|
|
|
cv::circle( img, center, radius, color, thickness, line_type, shift );
|
|
|
|
}
|
|
|
|
|
|
|
|
CV_IMPL void
|
|
|
|
cvEllipse( CvArr* _img, CvPoint center, CvSize axes,
|
|
|
|
double angle, double start_angle, double end_angle,
|
|
|
|
CvScalar color, int thickness, int line_type, int shift )
|
|
|
|
{
|
|
|
|
cv::Mat img = cv::cvarrToMat(_img);
|
|
|
|
cv::ellipse( img, center, axes, angle, start_angle, end_angle,
|
|
|
|
color, thickness, line_type, shift );
|
|
|
|
}
|
|
|
|
|
|
|
|
CV_IMPL void
|
|
|
|
cvFillConvexPoly( CvArr* _img, const CvPoint *pts, int npts,
|
|
|
|
CvScalar color, int line_type, int shift )
|
|
|
|
{
|
|
|
|
cv::Mat img = cv::cvarrToMat(_img);
|
|
|
|
cv::fillConvexPoly( img, (const cv::Point*)pts, npts,
|
|
|
|
color, line_type, shift );
|
|
|
|
}
|
|
|
|
|
|
|
|
CV_IMPL void
|
|
|
|
cvFillPoly( CvArr* _img, CvPoint **pts, const int *npts, int ncontours,
|
|
|
|
CvScalar color, int line_type, int shift )
|
|
|
|
{
|
|
|
|
cv::Mat img = cv::cvarrToMat(_img);
|
|
|
|
|
|
|
|
cv::fillPoly( img, (const cv::Point**)pts, npts, ncontours, color, line_type, shift );
|
|
|
|
}
|
|
|
|
|
|
|
|
CV_IMPL void
|
|
|
|
cvPolyLine( CvArr* _img, CvPoint **pts, const int *npts,
|
|
|
|
int ncontours, int closed, CvScalar color,
|
|
|
|
int thickness, int line_type, int shift )
|
|
|
|
{
|
|
|
|
cv::Mat img = cv::cvarrToMat(_img);
|
|
|
|
|
|
|
|
cv::polylines( img, (const cv::Point**)pts, npts, ncontours,
|
|
|
|
closed != 0, color, thickness, line_type, shift );
|
|
|
|
}
|
|
|
|
|
|
|
|
CV_IMPL void
|
|
|
|
cvPutText( CvArr* _img, const char *text, CvPoint org, const CvFont *_font, CvScalar color )
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{
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cv::Mat img = cv::cvarrToMat(_img);
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CV_Assert( text != 0 && _font != 0);
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cv::putText( img, text, org, _font->font_face, (_font->hscale+_font->vscale)*0.5,
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color, _font->thickness, _font->line_type,
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CV_IS_IMAGE(_img) && ((IplImage*)_img)->origin != 0 );
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}
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CV_IMPL void
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cvInitFont( CvFont *font, int font_face, double hscale, double vscale,
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double shear, int thickness, int line_type )
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{
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CV_Assert( font != 0 && hscale > 0 && vscale > 0 && thickness >= 0 );
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font->ascii = cv::getFontData(font_face);
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font->font_face = font_face;
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font->hscale = (float)hscale;
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font->vscale = (float)vscale;
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font->thickness = thickness;
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font->shear = (float)shear;
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font->greek = font->cyrillic = 0;
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font->line_type = line_type;
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}
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CV_IMPL void
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cvGetTextSize( const char *text, const CvFont *_font, CvSize *_size, int *_base_line )
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{
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CV_Assert(text != 0 && _font != 0);
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cv::Size size = cv::getTextSize( text, _font->font_face, (_font->hscale + _font->vscale)*0.5,
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_font->thickness, _base_line );
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if( _size )
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*_size = size;
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}
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/* End of file. */
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