TAChart Chart

The Chart is the component from where you control much of the behaviour of your diagrams.

• Public Methods

Clone
SaveToImage
GetFullExtent
GetLegendItems
GraphToImage
ImageToGraph
XGraphToImage
XImageToGraph
YGraphToImage
YImageToGraph

1. IsPointInViewPort <F>
2. EraseBackground

3. Procedure GetChildren
4. Procedure Paint
5. Procedure SetChildOrder
6. Procedure DrawLineHoriz
7. Procedure DrawLineVert
8. Procedure DrawOnCanvas

AddSeries
DeleteSeries
RemoveSeries
ClearSeries
CopyToClipboardBitmap
DisableRedrawing
Draw
DrawLegendOn
EnableRedrawing
PaintOnAuxCanvas
PaintOnCanvas
Prepare
SaveToBitmapFile
SaveToFile
StyleChanged
ZoomFull

1. Properties

• Published

Drawer

• Unpublished

ActiveToolIndex
Broadcaster
ChartHeight
ChartWidth
ClipRect
CurrentExtent
ExtentBroadcaster
IsZoomed
LogicalExtent
OnChartPaint
PrevLogicalExtent
RenderingParams
ReticulePos
SeriesCount
XGraphMax
XGraphMin
YGraphMax
YGraphMin

1. Events

• Public Methods
  • Functions
    • IsPointInViewPort
  • Procedures
    • EraseBackground
    • GetChildren
    • Paint
    • SetChildOrder
    • DrawLineHoriz
    • DrawLineVert
    • DrawOnCanvas
• Properties
  • Published
  • Published
• Events

 public // Helpers for series drawing
   procedure DrawLineHoriz(ADrawer: IChartDrawer; AY: Integer);
   procedure DrawLineVert(ADrawer: IChartDrawer; AX: Integer);
   procedure DrawOnCanvas(Rect: TRect; ACanvas: TCanvas); deprecated;
   function IsPointInViewPort(const AP: TDoublePoint): Boolean;

 public
   property Drawer: IChartDrawer read FConnectorData.FDrawer;

 public // Coordinate conversion
   function GraphToImage(const AGraphPoint: TDoublePoint): TPoint;
   function ImageToGraph(const APoint: TPoint): TDoublePoint; overload;
   function ImageToGraph(const AX, AY: Integer): TDoublePoint; overload;
   function XGraphToImage(AX: Double): Integer; inline;
   function XImageToGraph(AX: Integer): Double; inline;
   function YGraphToImage(AY: Double): Integer; inline;
   function YImageToGraph(AY: Integer): Double; inline;

 published
   property AutoFocus: Boolean read FAutoFocus write FAutoFocus default false;
   property AllowZoom: Boolean read FAllowZoom write FAllowZoom default true;
   property AntialiasingMode: TChartAntialiasingMode
     read FAntialiasingMode write SetAntialiasingMode default amDontCare;
   property AxisList: TChartAxisList read FAxisList write SetAxisList;
   property AxisVisible: Boolean read FAxisVisible write SetAxisVisible default true;
   property BackColor: TColor read FBackColor write SetBackColor default clBtnFace;
   property BottomAxis: TChartAxis index calBottom read GetAxisByAlign write SetAxisByAlign stored false;
   property Depth: TChartDistance read FDepth write SetDepth default 0;
   property ExpandPercentage: Integer
     read FExpandPercentage write SetExpandPercentage default 0;
   property Extent: TChartExtent read FExtent write SetExtent;
   property ExtentSizeLimit: TChartExtent read FExtentSizeLimit write SetExtentSizeLimit;
   property Foot: TChartTitle read FFoot write SetFoot;
   property Frame: TChartPen read FFrame write SetFrame;
   property GUIConnector: TChartGUIConnector
     read FGUIConnector write SetGUIConnector;
   property LeftAxis: TChartAxis index calLeft read GetAxisByAlign write SetAxisByAlign stored false;
   property Legend: TChartLegend read FLegend write SetLegend;
   property Margins: TChartMargins read FMargins write SetMargins;
   property MarginsExternal: TChartMargins
     read FMarginsExternal write SetMarginsExternal;
   property Proportional: Boolean
     read FProportional write SetProportional default false;
   property ReticuleMode: TReticuleMode
     read FReticuleMode write SetReticuleMode default rmNone;
   property Series: TChartSeriesList read FSeries;
   property Title: TChartTitle read FTitle write SetTitle;
   property Toolset: TBasicChartToolset read FToolset write SetToolset;

 published
   property OnAfterDraw: TDrawEvent read FOnAfterDraw write SetOnAfterDraw;
   property OnAfterDrawBackground: TChartAfterDrawEvent
     read FOnAfterDrawBackground write SetOnAfterDrawBackground;
   property OnAfterDrawBackWall: TChartAfterDrawEvent
     read FOnAfterDrawBackWall write SetOnAfterDrawBackWall;
   property OnAfterPaint: TChartEvent read FOnAfterPaint write FOnAfterPaint;
   property OnBeforeDrawBackground: TChartBeforeDrawEvent
     read FOnBeforeDrawBackground write SetOnBeforeDrawBackground;
   property OnBeforeDrawBackWall: TChartBeforeDrawEvent
     read FOnBeforeDrawBackWall write SetOnBeforeDrawBackWall;
   property OnDrawReticule: TDrawReticuleEvent
     read FOnDrawReticule write SetOnDrawReticule;
   property OnExtentChanged: TChartEvent
     read FOnExtentChanged write FOnExtentChanged;
   property OnExtentChanging: TChartEvent
     read FOnExtentChanging write FOnExtentChanging;

 published
   property Align;
   property Anchors;
   property BorderSpacing;
   property Color default clBtnFace;
   property DoubleBuffered;
   property DragCursor;
   property DragMode;
   property Enabled;
   property ParentColor;
   property ParentShowHint;
   property PopupMenu;
   property ShowHint;
   property Visible;

 published
   property OnClick;
   property OnDblClick;
   property OnDragDrop;
   property OnDragOver;
   property OnEndDrag;
   property OnMouseDown;
   property OnMouseMove;
   property OnMouseUp;
   property OnStartDrag;