AGSFillSymbol Class Reference


Description

Defined in:
AGSFillSymbol.h ( ArcGIS library)
Since:
2.2
Inheritance diagram for AGSFillSymbol:
AGSSymbol <AGSCoding> AGSPictureFillSymbol AGSSimpleFillSymbol

List of all members.

Public Member Functions

(void) - applySymbolToContext:withGraphic:envelope:resolution:
(void) - decodeWithJSON:
(void) - drawGraphic:inContext:forEnvelope:atResolution:
(NSDictionary *) - encodeToJSON
(BOOL) - hitTestGraphic:withEnvelope:atResolution:
(id) - initWithJSON:
(BOOL) - shouldDrawGraphic:forEnvelope:atResolution:
(UIImage *) - swatchForGeometryType:size:

Static Public Member Functions

(CGPoint) + toScreenPointWithX:y:envelope:resolution:

Properties

UIColor * color
AGSSimpleLineSymboloutline
BOOL readyToDraw

Member Function Documentation

- (void) applySymbolToContext: (CGContextRef)  context
withGraphic: (AGSGraphic *)  graphic
envelope: (AGSEnvelope *)  env
resolution: (double)  res 

This must be implemented by derived classes, don't implement drawGraphic:inContext:forEnvelope:withResolution, implement this instead.

Since:
2.2
- (void) decodeWithJSON: (NSDictionary *)  json   [optional, inherited]

Decode object from JSON representation.

Parameters:
json The JSON representation of the object to be decoded.
Since:
1.0
- (void) drawGraphic: (AGSGraphic *)  graphic
inContext: (CGContextRef)  context
forEnvelope: (AGSEnvelope *)  env
atResolution: (double)  resolution 

Method called by AGSGraphicsLayer to draw geometry onto context.

Since:
1.8
- (NSDictionary *) encodeToJSON   [optional, inherited]

Encode and return JSON representation for object.

Returns:
JSON representation of object.
Since:
1.0
- (BOOL) hitTestGraphic: (AGSGraphic *)  graphic
withEnvelope: (AGSEnvelope *)  envelope
atResolution: (double)  resolution 

Called to see if the geometry passes a hit test for this symbol.

Since:
1.8
- (id) initWithJSON: (NSDictionary *)  json   [optional, inherited]

Initialize and return object from JSON representation.

Parameters:
json The JSON representation of the object to be created.
Returns:
Object decoded from JSON representation.
Since:
1.0

Reimplemented in AGSWebMapFeatureCollection.

- (BOOL) shouldDrawGraphic: (AGSGraphic *)  graphic
forEnvelope: (AGSEnvelope *)  envelope
atResolution: (double)  resolution 

Called to see if the symbol should draw for a specific envelope.

Since:
1.8
- (UIImage *) swatchForGeometryType: (AGSGeometryType geometryType
size: (CGSize)  size 

Returns an image that represents a swatch for a particular geometry type.

Parameters:
geometryType The type of the geometry determines what kind of swatch is drawn.
size Size of the output swatch.
Returns:
UIImage of the drawn swatch.
+ (CGPoint) toScreenPointWithX: (double)  x
y: (double)  y
envelope: (AGSEnvelope *)  env
resolution: (double)  res 

A method that derived classes can call to help during drawing.

Since:
2.2

Property Documentation

- (UIColor*) color [read, write, retain, inherited]

Symbol color.

Since:
1.0
- (AGSSimpleLineSymbol*) outline [read, write, retain]

This outline of the symbol.

Since:
2.2
- (BOOL) readyToDraw [read, write, assign, inherited]

Property called by the framework. Most symbols should have this set to YES as soon as the symbol is init'ed. If a symbol needs to access a resource asynchronously before it's ready to draw then it should be set to NO initially then YES once it is ready. This is not as efficient as if a symbol is readyToDraw to begin with, however, so custom symbols should only set this to NO initially if absolutely necessary.