/*********************************************

   aNGELjUCER - taste graphic operations

*********************************************/

#pragma extension "core"

Random rand;
ImagePreview preview;
int w = 300;
int h = 300;
int draws = 50;

// let us test paths
void drawPath(Graphics@ gfx)
{
	Path p;
	AffineTransform t;
	t.scaled(0.8f,0.6f);

	for (int i=0; i<4; i++)
	{
		p.addLineSegment(rand.nextFloat()*w,
						rand.nextFloat()*h,
						rand.nextFloat()*w,
						rand.nextFloat()*h,
						2+rand.nextFloat()*20);

		p.quadraticTo(rand.nextFloat()*w,
						rand.nextFloat()*h,
						rand.nextFloat()*w,
						rand.nextFloat()*h);
	}

	gfx.setColour(Colour(1.0f,1.0f,0.0f,0.7f));
	gfx.fillPath(p,t);

	gfx.setColour(Colour(0.0f,0.0f,0.0f,0.99f));
	gfx.strokePath(p,t);
}

// let us test some line drawing
void drawLines(Graphics@ gfx)
{
	for (int i=0; i<draws/2; i++)
	{
		Colour col(rand.nextFloat(),
					rand.nextFloat(),
					rand.nextFloat(),
					rand.nextFloat()*0.8f);

		gfx.setColour(col);
		gfx.drawLine(rand.nextFloat()*w,
					rand.nextFloat()*h,
					rand.nextFloat()*w,
					rand.nextFloat()*h,
					2+rand.nextFloat()*20);

		gfx.drawEllipse(rand.nextFloat()*w,
						rand.nextFloat()*h,
						rand.nextFloat()*w,
						rand.nextFloat()*h,
						2+rand.nextFloat()*20);
	}
}

// let us test some images
void drawImages(Graphics@ gfx)
{
	Image@ loaded = loadImage("e:\\infinil.jpg");

	gfx.setOpacity(0.4f);
	gfx.drawImage(loaded,0,0,w,h,0,0,loaded.getWidth(),loaded.getHeight(),false);

	AffineTransform t;
	t.scaled(2.0f,2.0f).translated(200,100);

	gfx.setColour(Colour(255,255,255,0));
	gfx.setOpacity(0.5f);
	gfx.drawImageTransformed(loaded,0,0,loaded.getWidth(),loaded.getHeight(),t,false);
}

// application main entry point
void main()
{
	Image img(w,h);
	Graphics gfx(img);

	drawLines(gfx);
	drawPath(gfx);
//	drawImages(gfx);

	preview.setImage (img);

//	saveImage(img,"e:\\test.png");
}