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mirror of https://github.com/opencv/opencv.git synced 2026-07-31 08:13:04 +04:00

Merge pull request #7812 from alalek:fix_putText

This commit is contained in:
Maksim Shabunin
2016-12-15 13:33:56 +00:00
3 changed files with 113 additions and 81 deletions
+34 -28
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@@ -1099,7 +1099,7 @@ FillConvexPoly( Mat& img, const Point2l* v, int npts, const void* color, int lin
edge[2];
int delta = 1 << shift >> 1;
int i, y, imin = 0, left = 0, right = 1;
int i, y, imin = 0;
int edges = npts;
int64 xmin, xmax, ymin, ymax;
uchar* ptr = img.ptr();
@@ -1181,44 +1181,46 @@ FillConvexPoly( Mat& img, const Point2l* v, int npts, const void* color, int lin
{
if( y >= edge[i].ye )
{
int idx = edge[i].idx, di = edge[i].di;
int64 xs = 0, xe;
int idx0 = edge[i].idx, di = edge[i].di;
int idx = idx0 + di;
if (idx >= npts) idx -= npts;
int ty = 0;
for(;;)
for (; edges-- > 0; )
{
ty = (int)((v[idx].y + delta) >> shift);
if( ty > y || edges == 0 )
if (ty > y)
{
int64 xs = v[idx0].x;
int64 xe = v[idx].x;
if (shift != XY_SHIFT)
{
xs <<= XY_SHIFT - shift;
xe <<= XY_SHIFT - shift;
}
edge[i].ye = ty;
edge[i].dx = ((xe - xs)*2 + (ty - y)) / (2 * (ty - y));
edge[i].x = xs;
edge[i].idx = idx;
break;
xs = v[idx].x;
}
idx0 = idx;
idx += di;
idx -= ((idx < npts) - 1) & npts; /* idx -= idx >= npts ? npts : 0 */
edges--;
if (idx >= npts) idx -= npts;
}
xs <<= XY_SHIFT - shift;
xe = v[idx].x << (XY_SHIFT - shift);
/* no more edges */
if( y >= ty)
return;
edge[i].ye = ty;
edge[i].dx = ((xe - xs)*2 + (ty - y)) / (2 * (ty - y));
edge[i].x = xs;
edge[i].idx = idx;
}
}
}
if( edge[left].x > edge[right].x )
if (y >= 0)
{
left ^= 1;
right ^= 1;
}
int left = 0, right = 1;
if (edge[0].x > edge[1].x)
{
left = 1, right = 0;
}
if( y >= 0 )
{
int xx1 = (int)((edge[left].x + delta1) >> XY_SHIFT);
int xx2 = (int)((edge[right].x + delta2) >> XY_SHIFT);
@@ -1231,9 +1233,13 @@ FillConvexPoly( Mat& img, const Point2l* v, int npts, const void* color, int lin
ICV_HLINE( ptr, xx1, xx2, color, pix_size );
}
}
else
{
// TODO optimize scan for negative y
}
edge[left].x += edge[left].dx;
edge[right].x += edge[right].dx;
edge[0].x += edge[0].dx;
edge[1].x += edge[1].dx;
ptr += img.step;
}
while( ++y <= (int)ymax );
-41
View File
@@ -410,47 +410,6 @@ _exit_:
TEST(Imgproc_FindContours, accuracy) { CV_FindContourTest test; test.safe_run(); }
TEST(Core_Drawing, _914)
{
const int rows = 256;
const int cols = 256;
Mat img(rows, cols, CV_8UC1, Scalar(255));
line(img, Point(0, 10), Point(255, 10), Scalar(0), 2, 4);
line(img, Point(-5, 20), Point(260, 20), Scalar(0), 2, 4);
line(img, Point(10, 0), Point(10, 255), Scalar(0), 2, 4);
double x0 = 0.0/pow(2.0, -2.0);
double x1 = 255.0/pow(2.0, -2.0);
double y = 30.5/pow(2.0, -2.0);
line(img, Point(int(x0), int(y)), Point(int(x1), int(y)), Scalar(0), 2, 4, 2);
int pixelsDrawn = rows*cols - countNonZero(img);
ASSERT_EQ( (3*rows + cols)*3 - 3*9, pixelsDrawn);
}
TEST(Core_Drawing, polylines_empty)
{
Mat img(100, 100, CV_8UC1, Scalar(0));
vector<Point> pts; // empty
polylines(img, pts, false, Scalar(255));
int cnt = countNonZero(img);
ASSERT_EQ(cnt, 0);
}
TEST(Core_Drawing, polylines)
{
Mat img(100, 100, CV_8UC1, Scalar(0));
vector<Point> pts;
pts.push_back(Point(0, 0));
pts.push_back(Point(20, 0));
polylines(img, pts, false, Scalar(255));
int cnt = countNonZero(img);
ASSERT_EQ(cnt, 21);
}
//rotate/flip a quadrant appropriately
static void rot(int n, int *x, int *y, int rx, int ry)
{
+729
View File
@@ -0,0 +1,729 @@
/*M///////////////////////////////////////////////////////////////////////////////////////
//
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
// By downloading, copying, installing or using the software you agree to this license.
// If you do not agree to this license, do not download, install,
// copy or use the software.
//
//
// License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistribution's of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistribution's in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// * The name of the copyright holders may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors "as is" and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the Intel Corporation or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
//M*/
#include "test_precomp.hpp"
namespace {
using namespace std;
using namespace cv;
//#define DRAW_TEST_IMAGE
class CV_DrawingTest : public cvtest::BaseTest
{
public:
CV_DrawingTest(){}
protected:
void run( int );
virtual void draw( Mat& img ) = 0;
virtual int checkLineIterator( Mat& img) = 0;
};
void CV_DrawingTest::run( int )
{
Mat testImg, valImg;
const string fname = "../highgui/drawing/image.png";
string path = ts->get_data_path(), filename;
filename = path + fname;
draw( testImg );
valImg = imread( filename );
if( valImg.empty() )
{
//imwrite( filename, testImg );
ts->printf( ts->LOG, "test image can not be read");
#ifdef HAVE_PNG
ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_TEST_DATA);
#else
ts->printf( ts->LOG, "PNG image support is not available");
ts->set_failed_test_info(cvtest::TS::OK);
#endif
return;
}
else
{
// image should match exactly
float err = (float)cvtest::norm( testImg, valImg, NORM_L1 );
float Eps = 1;
if( err > Eps)
{
ts->printf( ts->LOG, "NORM_L1 between testImg and valImg is equal %f (larger than %f)\n", err, Eps );
ts->set_failed_test_info(cvtest::TS::FAIL_BAD_ACCURACY);
}
else
{
ts->set_failed_test_info(checkLineIterator( testImg ));
}
}
ts->set_failed_test_info(cvtest::TS::OK);
}
class CV_DrawingTest_CPP : public CV_DrawingTest
{
public:
CV_DrawingTest_CPP() {}
protected:
virtual void draw( Mat& img );
virtual int checkLineIterator( Mat& img);
};
void CV_DrawingTest_CPP::draw( Mat& img )
{
Size imgSize( 600, 400 );
img.create( imgSize, CV_8UC3 );
vector<Point> polyline(4);
polyline[0] = Point(0, 0);
polyline[1] = Point(imgSize.width, 0);
polyline[2] = Point(imgSize.width, imgSize.height);
polyline[3] = Point(0, imgSize.height);
const Point* pts = &polyline[0];
int n = (int)polyline.size();
fillPoly( img, &pts, &n, 1, Scalar::all(255) );
Point p1(1,1), p2(3,3);
if( clipLine(Rect(0,0,imgSize.width,imgSize.height), p1, p2) && clipLine(imgSize, p1, p2) )
circle( img, Point(300,100), 40, Scalar(0,0,255), 3 ); // draw
p2 = Point(3,imgSize.height+1000);
if( clipLine(Rect(0,0,imgSize.width,imgSize.height), p1, p2) && clipLine(imgSize, p1, p2) )
circle( img, Point(500,300), 50, cvColorToScalar(255,CV_8UC3), 5, 8, 1 ); // draw
p1 = Point(imgSize.width,1), p2 = Point(imgSize.width,3);
if( clipLine(Rect(0,0,imgSize.width,imgSize.height), p1, p2) && clipLine(imgSize, p1, p2) )
circle( img, Point(390,100), 10, Scalar(0,0,255), 3 ); // not draw
p1 = Point(imgSize.width-1,1), p2 = Point(imgSize.width,3);
if( clipLine(Rect(0,0,imgSize.width,imgSize.height), p1, p2) && clipLine(imgSize, p1, p2) )
ellipse( img, Point(390,100), Size(20,30), 60, 0, 220.0, Scalar(0,200,0), 4 ); //draw
ellipse( img, RotatedRect(Point(100,200),Size(200,100),160), Scalar(200,200,255), 5 );
polyline.clear();
ellipse2Poly( Point(430,180), Size(100,150), 30, 0, 150, 20, polyline );
pts = &polyline[0];
n = (int)polyline.size();
polylines( img, &pts, &n, 1, false, Scalar(0,0,150), 4, CV_AA );
n = 0;
for( vector<Point>::const_iterator it = polyline.begin(); n < (int)polyline.size()-1; ++it, n++ )
{
line( img, *it, *(it+1), Scalar(50,250,100));
}
polyline.clear();
ellipse2Poly( Point(500,300), Size(50,80), 0, 0, 180, 10, polyline );
pts = &polyline[0];
n = (int)polyline.size();
polylines( img, &pts, &n, 1, true, Scalar(100,200,100), 20 );
fillConvexPoly( img, pts, n, Scalar(0, 80, 0) );
polyline.resize(8);
// external rectengular
polyline[0] = Point(0, 0);
polyline[1] = Point(80, 0);
polyline[2] = Point(80, 80);
polyline[3] = Point(0, 80);
// internal rectangular
polyline[4] = Point(20, 20);
polyline[5] = Point(60, 20);
polyline[6] = Point(60, 60);
polyline[7] = Point(20, 60);
const Point* ppts[] = {&polyline[0], &polyline[0]+4};
int pn[] = {4, 4};
fillPoly( img, ppts, pn, 2, Scalar(100, 100, 0), 8, 0, Point(500, 20) );
rectangle( img, Point(0, 300), Point(50, 398), Scalar(0,0,255) );
string text1 = "OpenCV";
int baseline = 0, thickness = 3, fontFace = FONT_HERSHEY_SCRIPT_SIMPLEX;
float fontScale = 2;
Size textSize = getTextSize( text1, fontFace, fontScale, thickness, &baseline);
baseline += thickness;
Point textOrg((img.cols - textSize.width)/2, (img.rows + textSize.height)/2);
rectangle(img, textOrg + Point(0, baseline), textOrg + Point(textSize.width, -textSize.height), Scalar(0,0,255));
line(img, textOrg + Point(0, thickness), textOrg + Point(textSize.width, thickness), Scalar(0, 0, 255));
putText(img, text1, textOrg, fontFace, fontScale, Scalar(150,0,150), thickness, 8);
string text2 = "abcdefghijklmnopqrstuvwxyz1234567890";
Scalar color(200,0,0);
fontScale = 0.5, thickness = 1;
int dist = 5;
textSize = getTextSize( text2, FONT_HERSHEY_SIMPLEX, fontScale, thickness, &baseline);
textOrg = Point(5,5)+Point(0,textSize.height+dist);
putText(img, text2, textOrg, FONT_HERSHEY_SIMPLEX, fontScale, color, thickness, CV_AA);
fontScale = 1;
textSize = getTextSize( text2, FONT_HERSHEY_PLAIN, fontScale, thickness, &baseline);
textOrg += Point(0,textSize.height+dist);
putText(img, text2, textOrg, FONT_HERSHEY_PLAIN, fontScale, color, thickness, CV_AA);
fontScale = 0.5;
textSize = getTextSize( text2, FONT_HERSHEY_DUPLEX, fontScale, thickness, &baseline);
textOrg += Point(0,textSize.height+dist);
putText(img, text2, textOrg, FONT_HERSHEY_DUPLEX, fontScale, color, thickness, CV_AA);
textSize = getTextSize( text2, FONT_HERSHEY_COMPLEX, fontScale, thickness, &baseline);
textOrg += Point(0,textSize.height+dist);
putText(img, text2, textOrg, FONT_HERSHEY_COMPLEX, fontScale, color, thickness, CV_AA);
textSize = getTextSize( text2, FONT_HERSHEY_TRIPLEX, fontScale, thickness, &baseline);
textOrg += Point(0,textSize.height+dist);
putText(img, text2, textOrg, FONT_HERSHEY_TRIPLEX, fontScale, color, thickness, CV_AA);
fontScale = 1;
textSize = getTextSize( text2, FONT_HERSHEY_COMPLEX_SMALL, fontScale, thickness, &baseline);
textOrg += Point(0,180) + Point(0,textSize.height+dist);
putText(img, text2, textOrg, FONT_HERSHEY_COMPLEX_SMALL, fontScale, color, thickness, CV_AA);
textSize = getTextSize( text2, FONT_HERSHEY_SCRIPT_SIMPLEX, fontScale, thickness, &baseline);
textOrg += Point(0,textSize.height+dist);
putText(img, text2, textOrg, FONT_HERSHEY_SCRIPT_SIMPLEX, fontScale, color, thickness, CV_AA);
textSize = getTextSize( text2, FONT_HERSHEY_SCRIPT_COMPLEX, fontScale, thickness, &baseline);
textOrg += Point(0,textSize.height+dist);
putText(img, text2, textOrg, FONT_HERSHEY_SCRIPT_COMPLEX, fontScale, color, thickness, CV_AA);
dist = 15, fontScale = 0.5;
textSize = getTextSize( text2, FONT_ITALIC, fontScale, thickness, &baseline);
textOrg += Point(0,textSize.height+dist);
putText(img, text2, textOrg, FONT_ITALIC, fontScale, color, thickness, CV_AA);
}
int CV_DrawingTest_CPP::checkLineIterator( Mat& img )
{
LineIterator it( img, Point(0,300), Point(1000, 300) );
for(int i = 0; i < it.count; ++it, i++ )
{
Vec3b v = (Vec3b)(*(*it)) - img.at<Vec3b>(300,i);
float err = (float)cvtest::norm( v, NORM_L2 );
if( err != 0 )
{
ts->printf( ts->LOG, "LineIterator works incorrect" );
ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_OUTPUT);
}
}
ts->set_failed_test_info(cvtest::TS::OK);
return 0;
}
class CV_DrawingTest_C : public CV_DrawingTest
{
public:
CV_DrawingTest_C() {}
protected:
virtual void draw( Mat& img );
virtual int checkLineIterator( Mat& img);
};
void CV_DrawingTest_C::draw( Mat& _img )
{
CvSize imgSize = cvSize(600, 400);
_img.create( imgSize, CV_8UC3 );
CvMat img = _img;
vector<CvPoint> polyline(4);
polyline[0] = cvPoint(0, 0);
polyline[1] = cvPoint(imgSize.width, 0);
polyline[2] = cvPoint(imgSize.width, imgSize.height);
polyline[3] = cvPoint(0, imgSize.height);
CvPoint* pts = &polyline[0];
int n = (int)polyline.size();
int actualSize = 0;
cvFillPoly( &img, &pts, &n, 1, cvScalar(255,255,255) );
CvPoint p1 = cvPoint(1,1), p2 = cvPoint(3,3);
if( cvClipLine(imgSize, &p1, &p2) )
cvCircle( &img, cvPoint(300,100), 40, cvScalar(0,0,255), 3 ); // draw
p1 = cvPoint(1,1), p2 = cvPoint(3,imgSize.height+1000);
if( cvClipLine(imgSize, &p1, &p2) )
cvCircle( &img, cvPoint(500,300), 50, cvScalar(255,0,0), 5, 8, 1 ); // draw
p1 = cvPoint(imgSize.width,1), p2 = cvPoint(imgSize.width,3);
if( cvClipLine(imgSize, &p1, &p2) )
cvCircle( &img, cvPoint(390,100), 10, cvScalar(0,0,255), 3 ); // not draw
p1 = Point(imgSize.width-1,1), p2 = Point(imgSize.width,3);
if( cvClipLine(imgSize, &p1, &p2) )
cvEllipse( &img, cvPoint(390,100), cvSize(20,30), 60, 0, 220.0, cvScalar(0,200,0), 4 ); //draw
CvBox2D box;
box.center.x = 100;
box.center.y = 200;
box.size.width = 200;
box.size.height = 100;
box.angle = 160;
cvEllipseBox( &img, box, Scalar(200,200,255), 5 );
polyline.resize(9);
pts = &polyline[0];
n = (int)polyline.size();
actualSize = cvEllipse2Poly( cvPoint(430,180), cvSize(100,150), 30, 0, 150, &polyline[0], 20 );
CV_Assert(actualSize == n);
cvPolyLine( &img, &pts, &n, 1, false, cvScalar(0,0,150), 4, CV_AA );
n = 0;
for( vector<CvPoint>::const_iterator it = polyline.begin(); n < (int)polyline.size()-1; ++it, n++ )
{
cvLine( &img, *it, *(it+1), cvScalar(50,250,100) );
}
polyline.resize(19);
pts = &polyline[0];
n = (int)polyline.size();
actualSize = cvEllipse2Poly( cvPoint(500,300), cvSize(50,80), 0, 0, 180, &polyline[0], 10 );
CV_Assert(actualSize == n);
cvPolyLine( &img, &pts, &n, 1, true, Scalar(100,200,100), 20 );
cvFillConvexPoly( &img, pts, n, cvScalar(0, 80, 0) );
polyline.resize(8);
// external rectengular
polyline[0] = cvPoint(500, 20);
polyline[1] = cvPoint(580, 20);
polyline[2] = cvPoint(580, 100);
polyline[3] = cvPoint(500, 100);
// internal rectangular
polyline[4] = cvPoint(520, 40);
polyline[5] = cvPoint(560, 40);
polyline[6] = cvPoint(560, 80);
polyline[7] = cvPoint(520, 80);
CvPoint* ppts[] = {&polyline[0], &polyline[0]+4};
int pn[] = {4, 4};
cvFillPoly( &img, ppts, pn, 2, cvScalar(100, 100, 0), 8, 0 );
cvRectangle( &img, cvPoint(0, 300), cvPoint(50, 398), cvScalar(0,0,255) );
string text1 = "OpenCV";
CvFont font;
cvInitFont( &font, FONT_HERSHEY_SCRIPT_SIMPLEX, 2, 2, 0, 3 );
int baseline = 0;
CvSize textSize;
cvGetTextSize( text1.c_str(), &font, &textSize, &baseline );
baseline += font.thickness;
CvPoint textOrg = cvPoint((imgSize.width - textSize.width)/2, (imgSize.height + textSize.height)/2);
cvRectangle( &img, cvPoint( textOrg.x, textOrg.y + baseline),
cvPoint(textOrg.x + textSize.width, textOrg.y - textSize.height), cvScalar(0,0,255));
cvLine( &img, cvPoint(textOrg.x, textOrg.y + font.thickness),
cvPoint(textOrg.x + textSize.width, textOrg.y + font.thickness), cvScalar(0, 0, 255));
cvPutText( &img, text1.c_str(), textOrg, &font, cvScalar(150,0,150) );
int dist = 5;
string text2 = "abcdefghijklmnopqrstuvwxyz1234567890";
CvScalar color = cvScalar(200,0,0);
cvInitFont( &font, FONT_HERSHEY_SIMPLEX, 0.5, 0.5, 0, 1, CV_AA );
cvGetTextSize( text2.c_str(), &font, &textSize, &baseline );
textOrg = cvPoint(5, 5+textSize.height+dist);
cvPutText(&img, text2.c_str(), textOrg, &font, color );
cvInitFont( &font, FONT_HERSHEY_PLAIN, 1, 1, 0, 1, CV_AA );
cvGetTextSize( text2.c_str(), &font, &textSize, &baseline );
textOrg = cvPoint(textOrg.x,textOrg.y+textSize.height+dist);
cvPutText(&img, text2.c_str(), textOrg, &font, color );
cvInitFont( &font, FONT_HERSHEY_DUPLEX, 0.5, 0.5, 0, 1, CV_AA );
cvGetTextSize( text2.c_str(), &font, &textSize, &baseline );
textOrg = cvPoint(textOrg.x,textOrg.y+textSize.height+dist);
cvPutText(&img, text2.c_str(), textOrg, &font, color );
cvInitFont( &font, FONT_HERSHEY_COMPLEX, 0.5, 0.5, 0, 1, CV_AA );
cvGetTextSize( text2.c_str(), &font, &textSize, &baseline );
textOrg = cvPoint(textOrg.x,textOrg.y+textSize.height+dist);
cvPutText(&img, text2.c_str(), textOrg, &font, color );
cvInitFont( &font, FONT_HERSHEY_TRIPLEX, 0.5, 0.5, 0, 1, CV_AA );
cvGetTextSize( text2.c_str(), &font, &textSize, &baseline );
textOrg = cvPoint(textOrg.x,textOrg.y+textSize.height+dist);
cvPutText(&img, text2.c_str(), textOrg, &font, color );
cvInitFont( &font, FONT_HERSHEY_COMPLEX_SMALL, 1, 1, 0, 1, CV_AA );
cvGetTextSize( text2.c_str(), &font, &textSize, &baseline );
textOrg = cvPoint(textOrg.x,textOrg.y+textSize.height+dist + 180);
cvPutText(&img, text2.c_str(), textOrg, &font, color );
cvInitFont( &font, FONT_HERSHEY_SCRIPT_SIMPLEX, 1, 1, 0, 1, CV_AA );
cvGetTextSize( text2.c_str(), &font, &textSize, &baseline );
textOrg = cvPoint(textOrg.x,textOrg.y+textSize.height+dist);
cvPutText(&img, text2.c_str(), textOrg, &font, color );
cvInitFont( &font, FONT_HERSHEY_SCRIPT_COMPLEX, 1, 1, 0, 1, CV_AA );
cvGetTextSize( text2.c_str(), &font, &textSize, &baseline );
textOrg = cvPoint(textOrg.x,textOrg.y+textSize.height+dist);
cvPutText(&img, text2.c_str(), textOrg, &font, color );
dist = 15;
cvInitFont( &font, FONT_ITALIC, 0.5, 0.5, 0, 1, CV_AA );
cvGetTextSize( text2.c_str(), &font, &textSize, &baseline );
textOrg = cvPoint(textOrg.x,textOrg.y+textSize.height+dist);
cvPutText(&img, text2.c_str(), textOrg, &font, color );
}
int CV_DrawingTest_C::checkLineIterator( Mat& _img )
{
CvLineIterator it;
CvMat img = _img;
int count = cvInitLineIterator( &img, cvPoint(0,300), cvPoint(1000, 300), &it );
for(int i = 0; i < count; i++ )
{
Vec3b v = (Vec3b)(*(it.ptr)) - _img.at<Vec3b>(300,i);
float err = (float)cvtest::norm( v, NORM_L2 );
if( err != 0 )
{
ts->printf( ts->LOG, "CvLineIterator works incorrect" );
ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_OUTPUT);
}
CV_NEXT_LINE_POINT(it);
}
ts->set_failed_test_info(cvtest::TS::OK);
return 0;
}
class CV_DrawingTest_Far : public CV_DrawingTest_CPP
{
public:
CV_DrawingTest_Far() {}
protected:
virtual void draw(Mat& img);
};
void CV_DrawingTest_Far::draw(Mat& img)
{
Size imgSize(32768 + 600, 400);
img.create(imgSize, CV_8UC3);
vector<Point> polyline(4);
polyline[0] = Point(32768 + 0, 0);
polyline[1] = Point(imgSize.width, 0);
polyline[2] = Point(imgSize.width, imgSize.height);
polyline[3] = Point(32768 + 0, imgSize.height);
const Point* pts = &polyline[0];
int n = (int)polyline.size();
fillPoly(img, &pts, &n, 1, Scalar::all(255));
Point p1(32768 + 1, 1), p2(32768 + 3, 3);
if (clipLine(Rect(32768 + 0, 0, imgSize.width, imgSize.height), p1, p2) && clipLine(imgSize, p1, p2))
circle(img, Point(32768 + 300, 100), 40, Scalar(0, 0, 255), 3); // draw
p2 = Point(32768 + 3, imgSize.height + 1000);
if (clipLine(Rect(32768 + 0, 0, imgSize.width, imgSize.height), p1, p2) && clipLine(imgSize, p1, p2))
circle(img, Point(65536 + 500, 300), 50, cvColorToScalar(255, CV_8UC3), 5, 8, 1); // draw
p1 = Point(imgSize.width, 1), p2 = Point(imgSize.width, 3);
if (clipLine(Rect(32768 + 0, 0, imgSize.width, imgSize.height), p1, p2) && clipLine(imgSize, p1, p2))
circle(img, Point(32768 + 390, 100), 10, Scalar(0, 0, 255), 3); // not draw
p1 = Point(imgSize.width - 1, 1), p2 = Point(imgSize.width, 3);
if (clipLine(Rect(32768 + 0, 0, imgSize.width, imgSize.height), p1, p2) && clipLine(imgSize, p1, p2))
ellipse(img, Point(32768 + 390, 100), Size(20, 30), 60, 0, 220.0, Scalar(0, 200, 0), 4); //draw
ellipse(img, RotatedRect(Point(32768 + 100, 200), Size(200, 100), 160), Scalar(200, 200, 255), 5);
polyline.clear();
ellipse2Poly(Point(32768 + 430, 180), Size(100, 150), 30, 0, 150, 20, polyline);
pts = &polyline[0];
n = (int)polyline.size();
polylines(img, &pts, &n, 1, false, Scalar(0, 0, 150), 4, CV_AA);
n = 0;
for (vector<Point>::const_iterator it = polyline.begin(); n < (int)polyline.size() - 1; ++it, n++)
{
line(img, *it, *(it + 1), Scalar(50, 250, 100));
}
polyline.clear();
ellipse2Poly(Point(32768 + 500, 300), Size(50, 80), 0, 0, 180, 10, polyline);
pts = &polyline[0];
n = (int)polyline.size();
polylines(img, &pts, &n, 1, true, Scalar(100, 200, 100), 20);
fillConvexPoly(img, pts, n, Scalar(0, 80, 0));
polyline.resize(8);
// external rectengular
polyline[0] = Point(32768 + 0, 0);
polyline[1] = Point(32768 + 80, 0);
polyline[2] = Point(32768 + 80, 80);
polyline[3] = Point(32768 + 0, 80);
// internal rectangular
polyline[4] = Point(32768 + 20, 20);
polyline[5] = Point(32768 + 60, 20);
polyline[6] = Point(32768 + 60, 60);
polyline[7] = Point(32768 + 20, 60);
const Point* ppts[] = { &polyline[0], &polyline[0] + 4 };
int pn[] = { 4, 4 };
fillPoly(img, ppts, pn, 2, Scalar(100, 100, 0), 8, 0, Point(500, 20));
rectangle(img, Point(32768 + 0, 300), Point(32768 + 50, 398), Scalar(0, 0, 255));
string text1 = "OpenCV";
int baseline = 0, thickness = 3, fontFace = FONT_HERSHEY_SCRIPT_SIMPLEX;
float fontScale = 2;
Size textSize = getTextSize(text1, fontFace, fontScale, thickness, &baseline);
baseline += thickness;
Point textOrg((32768 + img.cols - textSize.width) / 2, (img.rows + textSize.height) / 2);
rectangle(img, textOrg + Point(0, baseline), textOrg + Point(textSize.width, -textSize.height), Scalar(0, 0, 255));
line(img, textOrg + Point(0, thickness), textOrg + Point(textSize.width, thickness), Scalar(0, 0, 255));
putText(img, text1, textOrg, fontFace, fontScale, Scalar(150, 0, 150), thickness, 8);
string text2 = "abcdefghijklmnopqrstuvwxyz1234567890";
Scalar color(200, 0, 0);
fontScale = 0.5, thickness = 1;
int dist = 5;
textSize = getTextSize(text2, FONT_HERSHEY_SIMPLEX, fontScale, thickness, &baseline);
textOrg = Point(32768 + 5, 5) + Point(0, textSize.height + dist);
putText(img, text2, textOrg, FONT_HERSHEY_SIMPLEX, fontScale, color, thickness, CV_AA);
fontScale = 1;
textSize = getTextSize(text2, FONT_HERSHEY_PLAIN, fontScale, thickness, &baseline);
textOrg += Point(0, textSize.height + dist);
putText(img, text2, textOrg, FONT_HERSHEY_PLAIN, fontScale, color, thickness, CV_AA);
fontScale = 0.5;
textSize = getTextSize(text2, FONT_HERSHEY_DUPLEX, fontScale, thickness, &baseline);
textOrg += Point(0, textSize.height + dist);
putText(img, text2, textOrg, FONT_HERSHEY_DUPLEX, fontScale, color, thickness, CV_AA);
textSize = getTextSize(text2, FONT_HERSHEY_COMPLEX, fontScale, thickness, &baseline);
textOrg += Point(0, textSize.height + dist);
putText(img, text2, textOrg, FONT_HERSHEY_COMPLEX, fontScale, color, thickness, CV_AA);
textSize = getTextSize(text2, FONT_HERSHEY_TRIPLEX, fontScale, thickness, &baseline);
textOrg += Point(0, textSize.height + dist);
putText(img, text2, textOrg, FONT_HERSHEY_TRIPLEX, fontScale, color, thickness, CV_AA);
fontScale = 1;
textSize = getTextSize(text2, FONT_HERSHEY_COMPLEX_SMALL, fontScale, thickness, &baseline);
textOrg += Point(0, 180) + Point(0, textSize.height + dist);
putText(img, text2, textOrg, FONT_HERSHEY_COMPLEX_SMALL, fontScale, color, thickness, CV_AA);
textSize = getTextSize(text2, FONT_HERSHEY_SCRIPT_SIMPLEX, fontScale, thickness, &baseline);
textOrg += Point(0, textSize.height + dist);
putText(img, text2, textOrg, FONT_HERSHEY_SCRIPT_SIMPLEX, fontScale, color, thickness, CV_AA);
textSize = getTextSize(text2, FONT_HERSHEY_SCRIPT_COMPLEX, fontScale, thickness, &baseline);
textOrg += Point(0, textSize.height + dist);
putText(img, text2, textOrg, FONT_HERSHEY_SCRIPT_COMPLEX, fontScale, color, thickness, CV_AA);
dist = 15, fontScale = 0.5;
textSize = getTextSize(text2, FONT_ITALIC, fontScale, thickness, &baseline);
textOrg += Point(0, textSize.height + dist);
putText(img, text2, textOrg, FONT_ITALIC, fontScale, color, thickness, CV_AA);
img = img(Rect(32768, 0, 600, 400)).clone();
}
TEST(Drawing, cpp_regression) { CV_DrawingTest_CPP test; test.safe_run(); }
TEST(Drawing, c_regression) { CV_DrawingTest_C test; test.safe_run(); }
TEST(Drawing, far_regression) { CV_DrawingTest_Far test; test.safe_run(); }
class CV_FillConvexPolyTest : public cvtest::BaseTest
{
public:
CV_FillConvexPolyTest() {}
~CV_FillConvexPolyTest() {}
protected:
void run(int)
{
vector<Point> line1;
vector<Point> line2;
line1.push_back(Point(1, 1));
line1.push_back(Point(5, 1));
line1.push_back(Point(5, 8));
line1.push_back(Point(1, 8));
line2.push_back(Point(2, 2));
line2.push_back(Point(10, 2));
line2.push_back(Point(10, 16));
line2.push_back(Point(2, 16));
Mat gray0(10,10,CV_8U, Scalar(0));
fillConvexPoly(gray0, line1, Scalar(255), 8, 0);
int nz1 = countNonZero(gray0);
fillConvexPoly(gray0, line2, Scalar(0), 8, 1);
int nz2 = countNonZero(gray0)/255;
CV_Assert( nz1 == 40 && nz2 == 0 );
}
};
TEST(Drawing, fillconvexpoly_clipping) { CV_FillConvexPolyTest test; test.safe_run(); }
class CV_DrawingTest_UTF8 : public cvtest::BaseTest
{
public:
CV_DrawingTest_UTF8() {}
~CV_DrawingTest_UTF8() {}
protected:
void run(int)
{
vector<string> lines;
lines.push_back("abcdefghijklmnopqrstuvwxyz1234567890");
// cyrillic letters small
lines.push_back("\xD0\xB0\xD0\xB1\xD0\xB2\xD0\xB3\xD0\xB4\xD0\xB5\xD1\x91\xD0\xB6\xD0\xB7"
"\xD0\xB8\xD0\xB9\xD0\xBA\xD0\xBB\xD0\xBC\xD0\xBD\xD0\xBE\xD0\xBF\xD1\x80"
"\xD1\x81\xD1\x82\xD1\x83\xD1\x84\xD1\x85\xD1\x86\xD1\x87\xD1\x88\xD1\x89"
"\xD1\x8A\xD1\x8B\xD1\x8C\xD1\x8D\xD1\x8E\xD1\x8F");
// cyrillic letters capital
lines.push_back("\xD0\x90\xD0\x91\xD0\x92\xD0\x93\xD0\x94\xD0\x95\xD0\x81\xD0\x96\xD0\x97"
"\xD0\x98\xD0\x99\xD0\x9A\xD0\x9B\xD0\x9C\xD0\x9D\xD0\x9E\xD0\x9F\xD0\xA0"
"\xD0\xA1\xD0\xA2\xD0\xA3\xD0\xA4\xD0\xA5\xD0\xA6\xD0\xA7\xD0\xA8\xD0\xA9"
"\xD0\xAA\xD0\xAB\xD0\xAC\xD0\xAD\xD0\xAE\xD0\xAF");
// bounds
lines.push_back("-\xD0\x80-\xD0\x8E-\xD0\x8F-");
lines.push_back("-\xD1\x90-\xD1\x91-\xD1\xBF-");
// bad utf8
lines.push_back("-\x81-\x82-\x83-");
lines.push_back("--\xF0--");
lines.push_back("-\xF0");
vector<int> fonts;
fonts.push_back(FONT_HERSHEY_SIMPLEX);
fonts.push_back(FONT_HERSHEY_PLAIN);
fonts.push_back(FONT_HERSHEY_DUPLEX);
fonts.push_back(FONT_HERSHEY_COMPLEX);
fonts.push_back(FONT_HERSHEY_TRIPLEX);
fonts.push_back(FONT_HERSHEY_COMPLEX_SMALL);
fonts.push_back(FONT_HERSHEY_SCRIPT_SIMPLEX);
fonts.push_back(FONT_HERSHEY_SCRIPT_COMPLEX);
vector<Mat> results;
Size bigSize(0, 0);
for (vector<int>::const_iterator font = fonts.begin(); font != fonts.end(); ++font)
{
for (int italic = 0; italic <= FONT_ITALIC; italic += FONT_ITALIC)
{
for (vector<string>::const_iterator line = lines.begin(); line != lines.end(); ++line)
{
const float fontScale = 1;
const int thickness = 1;
const Scalar color(20,20,20);
int baseline = 0;
Size textSize = getTextSize(*line, *font | italic, fontScale, thickness, &baseline);
Point textOrg(0, textSize.height + 2);
Mat img(textSize + Size(0, baseline), CV_8UC3, Scalar(255, 255, 255));
putText(img, *line, textOrg, *font | italic, fontScale, color, thickness, CV_AA);
results.push_back(img);
bigSize.width = max(bigSize.width, img.size().width);
bigSize.height += img.size().height + 1;
}
}
}
int shift = 0;
Mat result(bigSize, CV_8UC3, Scalar(100, 100, 100));
for (vector<Mat>::const_iterator img = results.begin(); img != results.end(); ++img)
{
Rect roi(Point(0, shift), img->size());
Mat sub(result, roi);
img->copyTo(sub);
shift += img->size().height + 1;
}
//imwrite("/tmp/all_fonts.png", result);
}
};
TEST(Drawing, utf8_support) { CV_DrawingTest_UTF8 test; test.safe_run(); }
TEST(Drawing, _914)
{
const int rows = 256;
const int cols = 256;
Mat img(rows, cols, CV_8UC1, Scalar(255));
line(img, Point(0, 10), Point(255, 10), Scalar(0), 2, 4);
line(img, Point(-5, 20), Point(260, 20), Scalar(0), 2, 4);
line(img, Point(10, 0), Point(10, 255), Scalar(0), 2, 4);
double x0 = 0.0/pow(2.0, -2.0);
double x1 = 255.0/pow(2.0, -2.0);
double y = 30.5/pow(2.0, -2.0);
line(img, Point(int(x0), int(y)), Point(int(x1), int(y)), Scalar(0), 2, 4, 2);
int pixelsDrawn = rows*cols - countNonZero(img);
ASSERT_EQ( (3*rows + cols)*3 - 3*9, pixelsDrawn);
}
TEST(Drawing, polylines_empty)
{
Mat img(100, 100, CV_8UC1, Scalar(0));
vector<Point> pts; // empty
polylines(img, pts, false, Scalar(255));
int cnt = countNonZero(img);
ASSERT_EQ(cnt, 0);
}
TEST(Drawing, polylines)
{
Mat img(100, 100, CV_8UC1, Scalar(0));
vector<Point> pts;
pts.push_back(Point(0, 0));
pts.push_back(Point(20, 0));
polylines(img, pts, false, Scalar(255));
int cnt = countNonZero(img);
ASSERT_EQ(cnt, 21);
}
TEST(Drawing, putText_no_garbage)
{
Size sz(640, 480);
Mat mat = Mat::zeros(sz, CV_8UC1);
mat = Scalar::all(0);
putText(mat, "029", Point(10, 350), 0, 10, Scalar(128), 15);
EXPECT_EQ(0, cv::countNonZero(mat(Rect(0, 0, 10, sz.height))));
EXPECT_EQ(0, cv::countNonZero(mat(Rect(sz.width-10, 0, 10, sz.height))));
EXPECT_EQ(0, cv::countNonZero(mat(Rect(205, 0, 10, sz.height))));
EXPECT_EQ(0, cv::countNonZero(mat(Rect(405, 0, 10, sz.height))));
}
} // namespace