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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@30097 72102866-910b-0410-8b05-ffd578937521
111 lines
3.6 KiB
Objective-C
111 lines
3.6 KiB
Objective-C
/*
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GSAnimator.h
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Author: Xavier Glattard (xgl) <xavier.glattard@online.fr>
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Copyright (c) 2007 Free Software Foundation, Inc.
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This file is part of the GNUstep GUI 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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Lesser 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; see the file COPYING.LIB.
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If not, see <http://www.gnu.org/licenses/> or write to the
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Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef _GNUstep_H_GSAnimator_
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#define _GNUstep_H_GSAnimator_
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#import <Foundation/NSDate.h>
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#import <Foundation/NSObject.h>
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#import <Foundation/NSZone.h>
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@class NSArray;
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@class NSEvent;
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@class NSRunLoop;
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@class NSString;
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@class NSTimer;
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/**
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* Protocol that needs to be adopted by classes that want to
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* be animated by a GSAnimator.
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*/
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@protocol GSAnimation
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/** Call back method indicating that the GSAnimator did start the
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* animation loop. */
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- (void) animatorDidStart;
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/** Call back method indicating that the GSAnimator did stop the
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* animation loop. */
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- (void) animatorDidStop;
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/** Call back method called for each animation loop. */
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- (void) animatorStep: (NSTimeInterval)elapsedTime;
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@end
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/**
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* GSAnimator is the front of a class cluster. Instances of a subclass of
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* GSAnimator manage the timing of an animation.
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*/
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@interface GSAnimator : NSObject
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{
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id<GSAnimation> _animation; // The Object to be animated
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BOOL _running; // Indicates that the animator is looping
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NSTimeInterval _elapsed; // Elapsed time since the animator started
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NSTimeInterval _lastFrame; // The time of the last animation loop
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unsigned int _frameCount; // The number of loops since the start
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NSArray *_runLoopModes;
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NSTimer *_timer; // Timer used for looping
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NSTimeInterval _timerInterval;
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}
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/** Returns a GSAnimator object initialized with the specified object
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* to be animated as fast as possible. */
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+ (GSAnimator*) animatorWithAnimation: (id<GSAnimation>)anAnimation;
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/** Returns a GSAnimator object initialized with the specified object
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* to be animated. */
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+ (GSAnimator*) animatorWithAnimation: (id<GSAnimation>)anAnimation
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frameRate: (float)fps;
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/** Returns a GSAnimator object allocated in the given NSZone and
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* initialized with the specified object to be animated. */
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+ (GSAnimator*) animatorWithAnimation: (id<GSAnimation>)anAnimation
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frameRate: (float)fps
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zone: (NSZone*)aZone;
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/** Returns a GSAnimator object initialized with the specified object
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* to be animated. The given NSRunLoop is used in NSDefaultRunLoopMode.*/
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- (GSAnimator*) initWithAnimation: (id<GSAnimation>)anAnimation
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frameRate: (float)aFrameRate;
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- (GSAnimator*) initWithAnimation: (id<GSAnimation>)anAnimation;
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- (unsigned int) frameCount;
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- (void) resetCounters;
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- (float) frameRate;
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- (NSArray*) runLoopModesForAnimating;
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- (void) setRunLoopModesForAnimating: (NSArray*)modes;
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- (void) startAnimation;
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- (void) stopAnimation;
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- (BOOL) isAnimationRunning;
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- (void) startStopAnimation;
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- (void) stepAnimation;
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@end
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#endif /* _GNUstep_H_GSAnimator_ */
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