ImageView.m

This is ImageView.m in view mode; [Download] [Up]
//----------------------------------------------------------------------------------------------------
//
//	ImageView
//
//	Inherits From:		View
//
//	Declared In:		ImageView.h
//
//	Disclaimer
//
//		You may freely copy, distribute and reuse this software and its
//		associated documentation. I disclaim any warranty of any kind, 
//		expressed or implied, as to its fitness for any particular use.
//
//----------------------------------------------------------------------------------------------------
#import "ImageView.h"


@implementation ImageView

//----------------------------------------------------------------------------------------------------
//  Private Methods
//----------------------------------------------------------------------------------------------------
- (NXPoint) _calculateCompositePoint
{
	//  Centers image in frame rect.  (No longer used as frame becomes
	//  image size when image is set).
	
	NXSize	imageSize;
	NXPoint	centerPoint = { 0.0, 0.0 };

	[image getSize: &imageSize];
	
	if  ( imageSize.width < NX_WIDTH(&frame)) 
		centerPoint.x += (NX_WIDTH(&frame) - imageSize.width ) / 2.0;
	
	if  ( imageSize.height < NX_HEIGHT(&frame)) 
		centerPoint.y += (NX_HEIGHT(&frame) - imageSize.height ) / 2.0;
		
	return centerPoint;
}


//----------------------------------------------------------------------------------------------------
//  Initialization and Free Methods
//----------------------------------------------------------------------------------------------------
- free
{
	if (image) [image free];
	return [super free];
}


//----------------------------------------------------------------------------------------------------
//  Accessing the Image
//----------------------------------------------------------------------------------------------------
- image
{
	return image;
}

- image: anImage
{
	NXSize	imageSize;
	NXRect	frameRect;
	
	if (image) [image free];
	image = [anImage copy];
	[image getSize: &imageSize];
	NXSetRect (&frameRect, NX_X(&frame), NX_Y(&frame), imageSize.width, imageSize.height);
	[self setFrame: &frameRect];
	return self;
}

//----------------------------------------------------------------------------------------------------
//  Drawing
//----------------------------------------------------------------------------------------------------
- drawSelf: (const NXRect*) frameRect: (int) rects
{
	NXPoint	toPoint = { 0.0, 0.0 };
	NXSetColor([[self window] backgroundColor]);
	NXRectFill(&frame);
	[image composite: NX_SOVER toPoint: &toPoint];
	return self;
}


@end
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.