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/* This file is part of Owl.
*
* Copyright © 2019-2021 Sergey Bugaev <bugaevc@gmail.com>
*
* Owl is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* Owl is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* along with Owl. If not, see <http://www.gnu.org/licenses/>.
*/
#import "OwlSurfaceState.h"
#import "OwlBuffer.h"
@implementation OwlSurfaceState
- (id) init {
_callbacks = [NSMutableArray new];
_damage = [NSMutableArray new];
return self;
}
// Make a new state to succeed the given previous state.
//
// This copies over parts of the previous state that should
// be copied over, namely the attached buffer and geometry,
// and initializes other state to empty values.
- (id) initWithPreviousState: (OwlSurfaceState *) previousState {
self = [self init];
_buffer = [previousState->_buffer retain];
_geometry = previousState->_geometry;
return self;
}
- (void) dealloc {
[_buffer release];
[_callbacks release];
[_damage release];
[super dealloc];
}
- (OwlBuffer *) buffer {
return _buffer;
}
- (void) setBuffer: (OwlBuffer *) buffer {
[buffer retain];
[_buffer release];
_buffer = buffer;
}
- (NSArray *) callbacks {
return _callbacks;
}
- (void) addCallback: (OwlCallback *) callback {
[_callbacks addObject: callback];
}
- (NSArray *) damage {
return _damage;
}
- (void) addDamage: (NSRect) damageRect {
NSValue *value = [NSValue valueWithRect: damageRect];
[_damage addObject: value];
}
- (NSRect) geometry {
return _geometry;
}
- (void) setGeometry: (NSRect) geometry {
_geometry = geometry;
}
@end
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