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// ULIPaintShapeTool.m
// ULIPaintView
// Created by Uli Kusterer on Sat Nov 01 2003.
// Copyright (c) 2003 M. Uli Kusterer. All rights reserved.
#import "ULIPaintShapeTool.h"
#import "ULIPaintView.h"
#import "NSBezierPath+ULIRegularPolygon.h"
#import "UKHelperMacros.h"
@implementation ULIPaintShapeTool
@synthesize shape = mShape;
-(id) initWithPaintView:(ULIPaintView *)pv
if(( self = [super initWithPaintView: pv] ))
mShape = [[NSBezierPath alloc] init];
[mShape appendRegularPolygonAroundPoint: NSZeroPoint startPoint: NSMakePoint(100, 0) cornerCount: 3];
return self;
-(void) dealloc
[super dealloc];
/* Override this to draw a shape during tracking:
The drawings you do in here will be undone before you're called again.
This is also called when tracking has finished by drawFinalToolShapeFrom:to: by default. */
-(void) drawTemporaryTrackingToolShapeFrom: (NSPoint*)prevPos to: (NSPoint)currPos
NSBezierPath * currShape = [[mShape copy] autorelease];
NSRect box = [self rectFrom: [owner initialPos] to: currPos];
NSRect oldBox = [self rectWithLineSizeFrom: [owner initialPos] to: *prevPos];
NSRect shapeBounds = [currShape bounds];
NSAffineTransform* scaleTransform = [NSAffineTransform transform];
NSAffineTransform* moveToZeroTransform = [NSAffineTransform transform];
NSAffineTransform* moveToMouseTransform = [NSAffineTransform transform];
[moveToZeroTransform translateXBy: -shapeBounds.origin.x
yBy: -shapeBounds.origin.y];
[scaleTransform scaleXBy: box.size.width / shapeBounds.size.width
yBy: box.size.height / shapeBounds.size.height];
[moveToMouseTransform translateXBy: box.origin.x
yBy: box.origin.y];
[currShape transformUsingAffineTransform: moveToZeroTransform];
[currShape transformUsingAffineTransform: scaleTransform];
[currShape transformUsingAffineTransform: moveToMouseTransform];
[[owner lineColor] set];
[currShape setLineWidth: [owner lineSize].width];
[currShape stroke];
[owner setNeedsDisplayInRect: oldBox];
NSRect newBox = [self rectWithLineSizeFrom: [owner initialPos] to: currPos];
[owner setNeedsDisplayInRect: newBox];
*prevPos = currPos;
-(NSString*) toolIconName
return @"UKPaintShapeTool";
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