60760b8b3d
- Combined MPExpression and MPMutableExpression - Abstracted children of MPExpression into MPExpressionElement protocol - Abstracted most of MPExpressionLayout and MPFunctionLayout into common superclass MPLayout
56 lines
1.6 KiB
Objective-C
56 lines
1.6 KiB
Objective-C
//
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// MPDrawable.h
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// MathPad
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//
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// Created by Kim Wittenburg on 07.08.14.
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// Copyright (c) 2014 Kim Wittenburg. All rights reserved.
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//
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@import Cocoa;
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#import "MPExpressionStorage.h"
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#define MPNull [NSNull null]
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@interface MPLayout : NSObject
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#pragma mark Creation Methods
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- (instancetype)init;
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- (instancetype)initWithPath:(NSIndexPath *)path
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parent:(MPLayout *)parent;
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#pragma mark Text System Objects
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@property (readonly, nonatomic, weak) MPExpressionStorage *expressionStorage;
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@property (readonly, nonatomic, weak) NSLayoutManager *layoutManager;
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@property (readonly, nonatomic, weak) NSTextContainer *textContainer;
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@property (readonly, nonatomic, weak) NSTextStorage *textStorage;
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#pragma mark Cache Tree
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@property (readonly, nonatomic, weak) MPLayout *parent;
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@property (readonly, nonatomic, strong) NSIndexPath *path;
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#pragma mark Cache Methods
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// Querying Caches
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- (id)cachableObjectForIndex:(NSUInteger)index
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generator:(id(^)())generator;
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// Clearing Caches
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- (void)clearCacheInRange:(NSRange)range
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replacementLength:(NSUInteger)replacementLength;
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- (void)invalidate;
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#pragma mark Calculation and Drawing Methods
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// @property (nonatomic) BOOL usesSmallSize;
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- (NSSize)size;
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- (NSBezierPath *)bezierPath;
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- (NSBezierPath *)bezierPathAtOrigin:(NSPoint)point;
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- (void)drawAtPoint:(NSPoint)point;
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@end
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@interface MPLayout (MPSubclassImplement)
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- (MPLayout *)childLayoutAtIndex:(NSUInteger)index; // To be implemented
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- (NSSize)sizeForChildAtIndex:(NSUInteger)index; // To be implemented
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- (NSBezierPath *)generateBezierPath; // To be implemented
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@end |