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#include "test_precomp.hpp"
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 = "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");
//ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_TEST_DATA);
}
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;
}
#ifdef HAVE_JPEG
TEST(Imgcodecs_Drawing, cpp_regression) { CV_DrawingTest_CPP test; test.safe_run(); }
TEST(Imgcodecs_Drawing, c_regression) { CV_DrawingTest_C test; test.safe_run(); }
#endif
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(Imgcodecs_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(Highgui_Drawing, utf8_support) { CV_DrawingTest_UTF8 test; test.safe_run(); }