main.m

CGFloat width = 300;
CGFloat height = 400;

AIPNGController *pngController = [[AIPNGController alloc] init];
[pngController createBitmapContextWithWidth:width andHeight:height];

[pngController drawLineFrom:CGPointMake(10, 10)
			 to:CGPointMake(width - 10, 10)];
[pngController drawLineFrom:CGPointMake(width - 10, 10)
			 to:CGPointMake(width - 10, height * 2 / 3)];
[pngController drawLineFrom:CGPointMake(width - 10, height * 2 / 3)
			 to:CGPointMake(10, height * 2 / 3)];
[pngController drawLineFrom:CGPointMake(10, height * 2 / 3)
			 to:CGPointMake(width / 2, height - 10)];
[pngController drawLineFrom:CGPointMake(width / 2, height - 10)
			 to:CGPointMake(width - 10, height * 2 / 3)];
[pngController drawLineFrom:CGPointMake(width - 10, height * 2 / 3)
			 to:CGPointMake(10, 10)];
[pngController drawLineFrom:CGPointMake(10, 10)
			 to:CGPointMake(10, height * 2 / 3)];
[pngController drawLineFrom:CGPointMake(10, height * 2 / 3)
			 to:CGPointMake(width - 10, 10)];

[pngController
 saveImageToPNGWithPath:@"/Users/x/Desktop/Das-Ist-Das-Haus-Vom-Ni-ko-laus.png"];