#include <iostream>
#include <stdio.h>
const int NUMBER = 100;
const int DELAY = 5;
const int window_width = 900;
const int window_height = 600;
int x_1 = -window_width/2;
int x_2 = window_width*3/2;
int y_1 = -window_width/2;
int y_2 = window_width*3/2;
int Drawing_Random_Lines(
Mat image,
char* window_name,
RNG rng );
int Drawing_Random_Rectangles(
Mat image,
char* window_name,
RNG rng );
int Drawing_Random_Ellipses(
Mat image,
char* window_name,
RNG rng );
int Drawing_Random_Polylines(
Mat image,
char* window_name,
RNG rng );
int Drawing_Random_Filled_Polygons(
Mat image,
char* window_name,
RNG rng );
int Drawing_Random_Circles(
Mat image,
char* window_name,
RNG rng );
int Displaying_Random_Text(
Mat image,
char* window_name,
RNG rng );
int Displaying_Big_End(
Mat image,
char* window_name,
RNG rng );
int main( void )
{
int c;
char window_name[] = "Drawing_2 Tutorial";
c = Drawing_Random_Lines(image, window_name, rng);
if( c != 0 ) return 0;
c = Drawing_Random_Rectangles(image, window_name, rng);
if( c != 0 ) return 0;
c = Drawing_Random_Ellipses( image, window_name, rng );
if( c != 0 ) return 0;
c = Drawing_Random_Polylines( image, window_name, rng );
if( c != 0 ) return 0;
c = Drawing_Random_Filled_Polygons( image, window_name, rng );
if( c != 0 ) return 0;
c = Drawing_Random_Circles( image, window_name, rng );
if( c != 0 ) return 0;
c = Displaying_Random_Text( image, window_name, rng );
if( c != 0 ) return 0;
c = Displaying_Big_End( image, window_name, rng );
if( c != 0 ) return 0;
return 0;
}
{
int icolor = (unsigned) rng;
return Scalar( icolor&255, (icolor>>8)&255, (icolor>>16)&255 );
}
int Drawing_Random_Lines(
Mat image,
char* window_name,
RNG rng )
{
for( int i = 0; i < NUMBER; i++ )
{
line( image, pt1, pt2, randomColor(rng), rng.
uniform(1, 10), 8 );
{ return -1; }
}
return 0;
}
int Drawing_Random_Rectangles(
Mat image,
char* window_name,
RNG rng )
{
int lineType = 8;
int thickness = rng.
uniform( -3, 10 );
for( int i = 0; i < NUMBER; i++ )
{
rectangle( image, pt1, pt2, randomColor(rng),
MAX( thickness, -1 ), lineType );
{ return -1; }
}
return 0;
}
int Drawing_Random_Ellipses(
Mat image,
char* window_name,
RNG rng )
{
int lineType = 8;
for ( int i = 0; i < NUMBER; i++ )
{
double angle = rng.
uniform(0, 180);
ellipse( image, center, axes, angle, angle - 100, angle + 200,
randomColor(rng), rng.
uniform(-1,9), lineType );
{ return -1; }
}
return 0;
}
int Drawing_Random_Polylines(
Mat image,
char* window_name,
RNG rng )
{
int lineType = 8;
for( int i = 0; i< NUMBER; i++ )
{
const Point* ppt[2] = {pt[0], pt[1]};
int npt[] = {3, 3};
polylines(image, ppt, npt, 2,
true, randomColor(rng), rng.
uniform(1,10), lineType);
{ return -1; }
}
return 0;
}
int Drawing_Random_Filled_Polygons(
Mat image,
char* window_name,
RNG rng )
{
int lineType = 8;
for ( int i = 0; i < NUMBER; i++ )
{
const Point* ppt[2] = {pt[0], pt[1]};
int npt[] = {3, 3};
fillPoly( image, ppt, npt, 2, randomColor(rng), lineType );
{ return -1; }
}
return 0;
}
int Drawing_Random_Circles(
Mat image,
char* window_name,
RNG rng )
{
int lineType = 8;
for (int i = 0; i < NUMBER; i++)
{
{ return -1; }
}
return 0;
}
int Displaying_Random_Text(
Mat image,
char* window_name,
RNG rng )
{
int lineType = 8;
for ( int i = 1; i < NUMBER; i++ )
{
rng.
uniform(0,100)*0.05+0.1, randomColor(rng), rng.
uniform(1, 10), lineType);
{ return -1; }
}
return 0;
}
int Displaying_Big_End(
Mat image,
char* window_name,
RNG )
{
Point org((window_width - textsize.
width)/2, (window_height - textsize.
height)/2);
int lineType = 8;
for( int i = 0; i < 255; i += 2 )
{
Scalar(i, i, 255), 5, lineType );
imshow( window_name, image2 );
{ return -1; }
}
return 0;
}