/* * Copyright (C) 2003 Apple Computer, Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #import "KWQRegion.h" #import "KWQFoundationExtras.h" // None of the NSBezierPath calls here can possibly throw an NSException. // Some path calls do this when the path is empty, but we always make // those when the path is guaranteed non-empty. QRegion::QRegion(const QRect &rect) : path(KWQRetain([NSBezierPath bezierPathWithRect:rect])) { } QRegion::QRegion(int x, int y, int w, int h, RegionType t) { if (t == Rectangle) { path = KWQRetain([NSBezierPath bezierPathWithRect:NSMakeRect(x, y, w, h)]); } else { // Ellipse path = KWQRetain([NSBezierPath bezierPathWithOvalInRect:NSMakeRect(x, y, w, h)]); } } QRegion::QRegion(const QPointArray &arr) { path = KWQRetainNSRelease([[NSBezierPath alloc] init]); [path moveToPoint:arr[0]]; // the moveToPoint: guarantees the path is not empty, which means lineToPoint: // can't throw. for (uint i = 1; i < arr.count(); ++i) { [path lineToPoint:arr[i]]; } } QRegion::~QRegion() { KWQRelease(path); } QRegion::QRegion(const QRegion &other) : path(KWQRetainNSRelease([other.path copy])) { } QRegion &QRegion::operator=(const QRegion &other) { if (path == other.path) { return *this; } KWQRelease(path); path = KWQRetainNSRelease([other.path copy]); return *this; } bool QRegion::contains(const QPoint &point) const { return [path containsPoint:point]; } void QRegion::translate(int deltaX, int deltaY) { NSAffineTransform *translation = [[NSAffineTransform alloc] init]; [translation translateXBy:deltaX yBy:deltaY]; [path transformUsingAffineTransform:translation]; [translation release]; } QRect QRegion::boundingRect() const { return path ? QRect([path bounds]) : QRect(); }