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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@29615 72102866-910b-0410-8b05-ffd578937521
72 lines
2.3 KiB
Objective-C
72 lines
2.3 KiB
Objective-C
/*
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NSAffineTransform.h
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Copyright (C) 1996 Free Software Foundation, Inc.
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Author: Ovidiu Predescu <ovidiu@net-community.com>
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Date: August 1997
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Rewrite for MacOS-X compatibility: Richard Frith-Macdonald, 1999
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02111 USA.
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*/
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#ifndef __NSAffineTransform_h_GNUSTEP_BASE_INCLUDE
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#define __NSAffineTransform_h_GNUSTEP_BASE_INCLUDE
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#import <GNUstepBase/GSVersionMacros.h>
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#import <Foundation/NSObject.h>
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#import <Foundation/NSGeometry.h>
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typedef struct {
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CGFloat m11;
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CGFloat m12;
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CGFloat m21;
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CGFloat m22;
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CGFloat tX;
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CGFloat tY;
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} NSAffineTransformStruct;
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@interface NSAffineTransform : NSObject <NSCopying, NSCoding>
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{
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#if GS_EXPOSE(NSAffineTransform)
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@private
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NSAffineTransformStruct _matrix;
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BOOL _isIdentity; // special case: A=D=1 and B=C=0
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BOOL _isFlipY; // special case: A=1 D=-1 and B=C=0
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BOOL _pad1;
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BOOL _pad2;
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#endif
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}
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+ (NSAffineTransform*) transform;
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- (void) appendTransform: (NSAffineTransform*)aTransform;
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- (id) initWithTransform: (NSAffineTransform*)aTransform;
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- (void) invert;
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- (void) prependTransform: (NSAffineTransform*)aTransform;
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- (void) rotateByDegrees: (CGFloat)angle;
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- (void) rotateByRadians: (CGFloat)angleRad;
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- (void) scaleBy: (CGFloat)scale;
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- (void) scaleXBy: (CGFloat)scaleX yBy: (CGFloat)scaleY;
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- (void) setTransformStruct: (NSAffineTransformStruct)val;
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- (NSPoint) transformPoint: (NSPoint)aPoint;
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- (NSSize) transformSize: (NSSize)aSize;
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- (NSAffineTransformStruct) transformStruct;
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- (void) translateXBy: (CGFloat)tranX yBy: (CGFloat)tranY;
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@end
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#endif /* __NSAffineTransform_h_GNUSTEP_BASE_INCLUDE */
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