iOS & macOS Charting Documentation - SciChart iOS & macOS Charts SDK v4.x

SCIDrawableText

@interface SCIDrawableText : NSObject <ISCIInvalidatableElement, ISCICleanable>

Provides a class whicih can draw NSAttributedString onto CGContextRef.

text
Defines the string with label value for this annotation.
Declaration
Objective-C

@property (nonatomic, copy, nullable) NSString *text;
attributedText
Defines the attributed string with label value for this annotation.

Warning
If set - Ignores the labelValue.
Declaration
Objective-C

@property (nonatomic, copy, nullable) NSAttributedString *attributedText;


                        
                        
                        fontStyle

Defines the font style for text.

Declaration

Objective-C

@property (nonatomic, strong, nonnull) SCIFontStyle *fontStyle;

rotationAngle
Gets or sets the rotation angle for this text in degrees.
Declaration
Objective-C

@property (nonatomic) float rotationAngle;
drawableSize
Returns TickLabel size in Pixels.
Declaration
Objective-C

@property (nonatomic, readonly) CGSize drawableSize;
padding
The default spacing used when laying out internal text.

Note
Sizes are in Points.
Declaration
Objective-C

@property (nonatomic) UIEdgeInsets padding;
sizeWithMargins
Returns DrawableText size including margins in Points.
Declaration
Objective-C

@property (nonatomic, readonly) CGSize sizeWithMargins;

Draw


                        
                        
                        -tryDrawToCGContext:

Tries to draw this DrawableText instance onto CGContextRef at specified CGPoint.

Declaration

Objective-C

- (void)tryDrawToCGContext:(nonnull CGContextRef)context;

Parameters


                                    context

The CGContextRef instance to draw text on.


                        
                        
                        -onDrawTextWithContext:assetManager:inFrame:

Draws this text instance inside passed in frame.

Declaration

Objective-C

- (void)onDrawTextWithContext:(nonnull id<ISCIRenderContext2D>)renderContext
                 assetManager:(nonnull id<ISCIAssetManager2D>)assetManager
                      inFrame:(CGRect)frame;

Parameters

`renderContext`	The render context instance to draw on.
`assetManager`	The asset manager associated with render context.
`frame`	The frame to draw text in.