CHAPTER 16: Drawing with Quartz and OpenGL

601

Updating BIDViewController

We need to make a few minor changes in BIDViewController.m. One is to change all references to BIDQuartzFunView to BIDGLFunView. First, replace the line

#import "BIDQuartzFunView.h"

with

#import "BIDGLFunView.h"

Next, replace the changeColor: method with the following version:

- (IBAction)changeColor:(id)sender { UISegmentedControl *control = sender;

NSInteger index = [control selectedSegmentIndex];

BIDGLFunView *glView = (BIDGLFunView *)self.view;

switch (index) {
case kRedColorTab:
glView.currentColor =	[UIColor redColor];
glView.useRandomColor	= NO;
break;
case kBlueColorTab:
glView.currentColor =	[UIColor blueColor];
glView.useRandomColor	= NO;
break;
case kYellowColorTab:
glView.currentColor =	[UIColor yellowColor];
glView.useRandomColor	= NO;
break;
case kGreenColorTab:
glView.currentColor =	[UIColor greenColor];
glView.useRandomColor	= NO;
break;
case kRandomColorTab:
glView.useRandomColor	= YES;
break;
default:
break;
}

}

And, finally, in the changeShape: method, change this line:

[(BIDQuartzFunView *)self.view setShapeType:[control selectedSegmentIndex]];

to this:

[(BIDGLFunView *)self.view setShapeType:[control selectedSegmentIndex]];

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