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https://gitlab.com/freepascal.org/lazarus/lazarus.git
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plotpanel: Add properties for linewidth control (issue #32648) and background color control.
git-svn-id: trunk@56326 -
This commit is contained in:
wp
parent
cee38e2b1b
commit
8a2289c220
@ -72,12 +72,16 @@ Type
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Published
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Property Expression : String Read GetExpression Write SetExpression;
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Property Identifiers : TFPExprIdentifierDefs Read GetIdentifiers Write SetIdentifiers;
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Property Anchors;
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Property Active;
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Property Align;
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Property Anchors;
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Property BackgroundColor;
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Property BorderSpacing;
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Property Color;
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Property PlotColor;
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property PlotLinewidth;
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Property XAxis;
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Property YAxis;
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Property Active;
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Property PlotColor;
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end;
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implementation
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@ -54,6 +54,7 @@ Const
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DefGridInterval = 1;
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DefGridColor = clSilver;
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DefPlotColor = clRed;
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DefLineWidth = 1;
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Type
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TPlotFloat = Double;
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@ -88,6 +89,7 @@ Type
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private
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FDrawZero: Boolean;
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FGridColor: TColor;
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FGridLinewidth: Integer;
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FGridInterval: Integer;
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FInterval: TPlotFloat;
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FCaption: TPlotCaption;
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@ -96,20 +98,27 @@ Type
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FOrigin: TPlotFloat;
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FPlotter : TCanvasPlotter;
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FColor: TColor;
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FLinewidth: Integer;
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FTickColor: TColor;
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FTickFont: TFont;
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FTickMode: TTickMode;
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FTicks: Integer;
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FTickSize: integer;
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FTickLinewidth: Integer;
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procedure SetAxisColor(const AValue: TColor);
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procedure SetLinewidth(const AValue: Integer);
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procedure SetDrawZero(const AValue: Boolean);
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procedure SetInterval(const AValue: TPlotFloat);
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procedure SetCaption(const AValue: TPlotCaption);
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procedure SetGridColor(const AValue: TColor);
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procedure SetGridInterval(const AValue: Integer);
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procedure SetGridLinewidth(const AValue: Integer);
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procedure SetLegendInterval(const AValue: Integer);
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procedure SetLegendFormat(const AValue: String);
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procedure SetOrigin(const AValue: TPlotFloat);
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procedure SetTickColor(const AValue: TColor);
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procedure SetTickFont(const AValue: TFont);
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procedure SetTickLinewidth(const AValue: Integer);
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procedure SetTickMode(const AValue: TTickMode);
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procedure SetTicks(const AValue: Integer);
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procedure SetTickSize(const AValue: integer);
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@ -126,6 +135,8 @@ Type
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Constructor Create;virtual;
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Destructor Destroy; override;
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Published
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// Linewidth of axis line
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Property LineWidth: Integer read FLineWidth write SetLineWidth default DefLineWidth;
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// Graph color
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Property Color : TColor Read FColor Write SetAxisColor default defAxisColor;
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// Color of ticks on axis
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@ -134,6 +145,8 @@ Type
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Property Ticks : Integer Read FTicks Write SetTicks;
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// Length of ticks on axis
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Property TickSize : integer Read FTickSize Write SetTickSize;
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// Linewidth of ticks on axis
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Property TickLinewidth: Integer read FTickLinewidth write SetTickLinewidth default DefLinewidth;
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// Ticks is number of ticks or distance (in pixels) between ticks ?
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Property TickMode : TTickMode Read FTickMode Write SetTickMode;
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// Font for tick legend
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@ -151,9 +164,11 @@ Type
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// Format for legend (formatfloat);
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Property LegendFormat : String Read FLegendFormat write SetLegendFormat;
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// Interval (in ticks) of grid. 0 means no grid.
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Property GridInterval : Integer Read FGridInterval Write FGridInterval default DefGridInterval;
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Property GridInterval : Integer Read FGridInterval Write SetGridInterval default DefGridInterval;
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// Grid color.
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Property GridColor : TColor Read FGridColor Write FGridColor default DefGridColor;
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Property GridColor : TColor Read FGridColor Write SetGridColor default DefGridColor;
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// Grid linewidth
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Property GridLinewidth: Integer Read FGridLinewidth Write SetGridLinewidth default DefLineWidth;
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end;
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{ TPlotXAxis }
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@ -208,7 +223,9 @@ Type
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FBackGroundColor: TColor;
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FBoundsRect: TRect;
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FCaption: TPlotCaption;
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FColor: TColor;
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FPlotColor: TColor;
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FPlotLineWidth: Integer;
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FXaxis: TPlotXAxis;
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FYaxis: TPlotYAxis;
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FCanvas: TCanvas;
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@ -221,7 +238,9 @@ Type
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procedure SetBoundsRect(const AValue: TRect);
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procedure SetCanvas(const AValue: TCanvas);
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procedure SetCaption(const AValue: TPlotCaption);
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procedure SetColor(const AValue: TColor);
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procedure SetPlotColor(const AValue: TColor);
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procedure SetPlotLineWidth(const AValue: Integer);
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procedure SetXAxis(const AValue: TPlotXAxis);
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procedure SetYAxis(const AValue: TPlotYAxis);
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Protected
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@ -243,7 +262,9 @@ Type
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Property XAxis : TPlotXAxis Read FXaxis Write SetXAxis;
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Property YAxis : TPlotYAxis Read FYaxis Write SetYAxis;
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Property BackgroundColor : TColor Read FBackGroundColor Write SetBackGroundColor;
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Property Color: TColor Read FColor write SetColor;
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Property PlotColor : TColor Read FPlotColor Write SetPlotColor;
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Property PlotLinewidth: Integer read FPlotLineWidth Write SetPlotLineWidth;
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Property Active : Boolean Read FActive Write SetActive;
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Property Caption : TPlotCaption Read FCaption Write SetCaption;
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end;
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@ -277,13 +298,18 @@ Type
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private
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FPlotter: TCanvasPlotter;
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function GetActive: Boolean;
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function GetBackgroundColor: TColor;
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function GetCaption: TPlotCaption;
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function GetColor: TColor;
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function GetPlotColor: TColor;
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function GetPlotLineWidth: Integer;
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function GetXaxis: TPlotXAxis;
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function GetYaxis: TPlotYAxis;
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procedure SetActive(const AValue: Boolean);
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procedure SetBackgroundColor(const AValue: TColor);
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procedure SetCaption(const AValue: TPlotCaption);
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procedure SetPlotColor(const AValue: TColor);
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procedure SetPlotLineWidth(const AValue: Integer);
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procedure SetXAxis(const AValue: TPlotXAxis);
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procedure SetYAxis(const AValue: TPlotYAxis);
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Protected
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@ -294,13 +320,15 @@ Type
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Public
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Constructor Create(AOwner : TComponent); override;
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Destructor Destroy; override;
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Property Anchors;
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Property Align;
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Property Active : Boolean Read GetActive Write SetActive;
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Property BackgroundColor: TColor read GetBackgroundColor write SetBackgroundColor default clDefault;
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Property Caption : TPlotCaption Read GetCaption Write SetCaption;
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Property Color: TColor read GetColor write SetColor default clDefault;
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Property PlotColor : TColor Read GetPlotColor Write SetPlotColor;
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Property PlotLineWidth: Integer read GetPlotLinewidth Write SetPlotLinewidth default DefLinewidth;
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Property XAxis : TPlotXAxis Read GetXaxis Write SetXAxis;
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Property YAxis : TPlotYAxis Read GetYaxis Write SetYAxis;
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Property Active : Boolean Read GetActive Write SetActive;
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Property PlotColor : TColor Read GetPlotColor Write SetPlotColor;
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Property Caption : TPlotCaption Read GetCaption Write SetCaption;
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end;
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{ TPlotFunctionPanel }
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@ -313,12 +341,16 @@ Type
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Function CreatePlotter : TCanvasPlotter; override;
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Published
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Property OnCalcPlot : TOnCalcPlotEvent Read GetOnCalcPlot Write SetOnCalcPlot;
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Property Anchors;
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Property Align;
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Property Anchors;
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Property Active;
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Property BackgroundColor;
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Property BorderSpacing;
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Property Color;
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Property PlotColor;
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property PlotLinewidth;
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Property XAxis;
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Property YAxis;
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Property Active;
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Property PlotColor;
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end;
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EPlotPanel = Class(Exception);
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@ -351,16 +383,31 @@ begin
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Result:=FPlotter.Active;
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end;
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function TCustomPlotFunctionPanel.GetBackgroundColor: TColor;
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begin
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Result := FPlotter.BackgroundColor;
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end;
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function TCustomPlotFunctionPanel.GetCaption: TPlotCaption;
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begin
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Result:=FPlotter.Caption;
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end;
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function TCustomPlotFunctionPanel.GetColor: TColor;
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begin
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Result := FPlotter.Color;
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end;
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function TCustomPlotFunctionPanel.GetPlotColor: TColor;
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begin
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Result:=FPlotter.PlotColor;
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end;
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function TCustomPlotFunctionPanel.GetPlotLinewidth: Integer;
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begin
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Result := FPlotter.PlotLinewidth;
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end;
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function TCustomPlotFunctionPanel.GetXaxis: TPlotXAxis;
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begin
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Result:=FPlotter.XAxis;
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@ -376,6 +423,11 @@ begin
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FPlotter.Active:=AValue;
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end;
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procedure TCustomPlotFunctionPanel.SetBackgroundColor(const AValue: TColor);
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begin
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FPlotter.BackgroundColor := AValue;
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end;
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procedure TCustomPlotFunctionPanel.SetCaption(const AValue: TPlotCaption);
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begin
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FPlotter.Caption.Assign(AValue);
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@ -386,6 +438,11 @@ begin
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FPlotter.PlotColor:=AValue;
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end;
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procedure TCustomPlotFunctionPanel.SetPlotLineWidth(const AValue: Integer);
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begin
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FPlotter.PlotLinewidth := AValue;
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end;
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procedure TCustomPlotFunctionPanel.SetYAxis(const AValue: TPlotYAxis);
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begin
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FPlotter.Yaxis.Assign(AValue);
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@ -402,7 +459,7 @@ procedure TCustomPlotFunctionPanel.SetColor(Value: TColor);
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begin
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inherited SetColor(Value);
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If Assigned(FPlotter) then
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FPLotter.BackgroundColor:=Value;
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FPLotter.Color:=Value;
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end;
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@ -434,6 +491,12 @@ begin
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Changed;
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end;
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procedure TPlotAxis.SetLinewidth(const AValue: Integer);
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begin
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if FLinewidth = AValue then exit;
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FLinewidth := AValue;
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Changed;
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end;
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procedure TPlotAxis.SetDrawZero(const AValue: Boolean);
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begin
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@ -458,6 +521,27 @@ begin
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Changed;
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end;
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procedure TPlotAxis.SetGridColor(const AValue: TColor);
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begin
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if FGridColor=AValue then exit;
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FGridColor := AValue;
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Changed;
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end;
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procedure TPlotAxis.SetGridInterval(const AValue: Integer);
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begin
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if FGridInterval = AValue then exit;
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FGridInterval := AValue;
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Changed;
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end;
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procedure TPlotAxis.SetGridLinewidth(const AValue: Integer);
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begin
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if FGridLinewidth = AValue then exit;
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FGridLinewidth := AValue;
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Changed;
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end;
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procedure TPlotAxis.SetLegendInterval(const AValue: Integer);
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begin
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if FLegendInterval=AValue then exit;
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@ -495,6 +579,13 @@ begin
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Changed;
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end;
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procedure TPlotAxis.SetTickLinewidth(const AValue: Integer);
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begin
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if FTickLinewidth = AValue then exit;
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FTickLinewidth := AValue;
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Changed;
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end;
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procedure TPlotAxis.SetTickMode(const AValue: TTickMode);
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begin
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if FTickMode=AValue then exit;
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@ -558,12 +649,15 @@ begin
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FCaption.FOnChange:=@DoCaptionChange;
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FCaption.Font.OnChange:= @DoCaptionChange;
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FColor:=DefAxisColor;
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FLineWidth:= DefLineWidth;
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FTickFont:=TFont.Create;
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FTickFont.OnChange := @DoCaptionChange;
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FTickLinewidth := DefLinewidth;
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FLegendInterval:=DefLegendInterval;
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FInterval:=DefInterval;
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FTickColor:=DefTickColor;
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FGridColor:=DefGridColor;
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FGridLinewidth:=DefLineWidth;
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FGridInterval:=DefGridInterval;
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end;
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@ -696,6 +790,13 @@ begin
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Changed;
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end;
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procedure TCanvasPlotter.SetColor(const AValue: TColor);
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begin
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if FColor = AValue then exit;
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FColor := AValue;
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Changed;
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end;
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procedure TCanvasPlotter.SetPlotColor(const AValue: TColor);
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begin
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If (FPlotColor=AValue) then Exit;
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@ -703,6 +804,13 @@ begin
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Changed;
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end;
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procedure TCanvasPlotter.SetPlotLineWidth(const AValue: Integer);
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begin
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if (FPlotLinewidth=AValue) then exit;
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FPlotLineWidth := AValue;
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Changed;
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end;
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procedure TCanvasPlotter.SetXAxis(const AValue: TPlotXAxis);
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begin
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if FXaxis=AValue then exit;
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@ -737,7 +845,10 @@ begin
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FYAxis:=TPlotYAxis.Create;
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FYAxis.FPlotter:=Self;
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FPlotColor:=DefPlotColor;
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FPlotLinewidth:=DefLinewidth;
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FCaption:=TPlotCaption.Create;
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FBackgroundColor := clDefault;
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FColor := clDefault;
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end;
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destructor TCanvasPlotter.Destroy;
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@ -782,11 +893,20 @@ end;
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procedure TCanvasPlotter.DrawBackground(ACanvas: TCanvas);
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begin
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// self.ClientRect
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ACanvas.Brush.Color:=BackgroundColor;
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// Color paints the entire diagram background
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ACanvas.Brush.Color:=Color;
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ACanvas.Brush.Style:=bsSolid;
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ACanvas.FillRect(BoundsRect);
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// ACanvas.FillRect(0,0,ACanvas.Width,ACanvas.Height);
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// Background color paints the background spanned by the axes
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ACanvas.Brush.Color := BackgroundColor;
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ACanvas.FillRect(
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FXAxis.LeftMargin,
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FYAxis.TopMargin,
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BoundsRect.Width-FXAxis.RightMargin,
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BoundsRect.Height-FYAxis.BottomMargin
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);
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DrawHAxis(ACanvas,FXAxis,FYAxis);
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DrawVAxis(ACanvas,FYAxis,FXAxis);
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end;
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@ -808,7 +928,9 @@ begin
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EY:=FBoundsRect.Top+AVAxis.Margin2;
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// Writeln(Format('(%d,%d) -> (%d,%d) (%d,%d) (%d,%d)',[width,height,ox,oy,ox,ey,ex,oy]));
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// X axis
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ACanvas.Brush.Style := bsClear;
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ACanvas.Pen.Color:=AHAxis.Color;
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ACanvas.Pen.Width:=AHAxis.LineWidth;
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ACanvas.Line(OX,OY,EX,OY);
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Canvas.Font:=AHAxis.TickFont;
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TickDelta:=AHAxis.TickDelta;
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@ -821,11 +943,13 @@ begin
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L:='#0.#';
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Repeat
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ACanvas.Pen.Color:=AHAxis.TickColor;
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ACanvas.Pen.Width := AHAxis.TickLinewidth;
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X:=OX+Round(I*TickDelta);
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ACanvas.Line(X,OY,X,TE);
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If (AHAxis.GridInterval<>0) and ((I mod AHAxis.GridInterval)=0) then
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begin
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ACanvas.Pen.Color:=AHAxis.GridColor;
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ACanvas.Pen.Width := AHAxis.GridLinewidth;
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ACanvas.Line(X,OY,X,EY);
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end;
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If (AHAxis.LegendInterval<>0) and ((I mod AHAxis.LegendInterval)=0) then
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@ -841,6 +965,7 @@ begin
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begin
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X:=OX+Round((EX-OX)*Abs(AHAxis.Origin)/AHAxis.Interval);
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ACanvas.Pen.Color:=AHAxis.TickColor;
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ACanvas.Pen.Width := AHAxis.TickLinewidth;
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ACanvas.Line(X,OY,X,EY);
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end;
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Canvas.Font:=AHAxis.Caption.Font;
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@ -877,7 +1002,9 @@ begin
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EX:=FBoundsRect.Right-AHAxis.Margin2;
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OY:=FBoundsRect.Bottom-AVAxis.Margin1;
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EY:=FBoundsRect.Top+AVAxis.Margin2;
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ACanvas.Brush.Style := bsClear;
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ACanvas.Pen.Color:=AVAxis.Color;
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ACanvas.Pen.Width:=AVAxis.Linewidth;
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ACanvas.Line(OX,OY,OX,EY);
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TickDelta:=AVAxis.TickDelta;
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VD:=AVAxis.ValueDelta;
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@ -892,10 +1019,12 @@ begin
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Repeat
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Y:=OY-Round(I*TickDelta);
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ACanvas.Pen.Color:=AVAxis.TickColor;
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ACanvas.Pen.Width := AVAxis.TickLinewidth;
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ACanvas.Line(TE,Y,OX,Y);
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If (Y<>OY) and (AVAxis.GridInterval<>0) and ((I mod AVAxis.GridInterval)=0) then
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begin
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ACanvas.Pen.Color:=AVAxis.GridColor;
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ACanvas.Pen.Width := AVAxis.GridLinewidth;
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ACanvas.Line(OX,Y,EX,Y);
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end;
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If (AVAxis.LegendInterval<>0) and ((I mod AVAxis.LegendInterval)=0) then
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@ -911,6 +1040,7 @@ begin
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begin
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Y:=OY-Round((OY-EY)*Abs(AVAxis.Origin)/AVAxis.Interval);
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ACanvas.Pen.Color:=AVAxis.TickColor;
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ACanvas.Pen.Width := AVAxis.TickLinewidth;
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ACanvas.Line(OX,Y,EX,Y);
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end;
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L:=AVAxis.Caption.Title;
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@ -1051,6 +1181,7 @@ begin
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// Start value
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X:=FXAxis.Origin;
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ACanvas.Pen.Color:=PlotColor;
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ACanvas.Pen.Width := FPlotLineWidth;
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PLX:=POX;
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PLY:=POY;
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For PX:=0 to PXW do
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@ -1108,13 +1239,15 @@ begin
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If AOwner is TCOntrol then
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begin
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FControl:=AOwner as TControl;
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FBackGroundColor:=FControl.Color;
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if FColor = clDefault then
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FColor := FControl.Color;
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if FBackgroundColor = clDefault then
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FBackGroundColor:=FControl.Color;
|
||||
end;
|
||||
end;
|
||||
|
||||
{ TEventControlPlotter }
|
||||
|
||||
|
||||
procedure TEventControlPlotter.SetOnCalcPlot(const AValue: TOnCalcPlotEvent);
|
||||
begin
|
||||
FOnCalcPlot:=AValue;
|
||||
|
||||
@ -18,16 +18,22 @@ Active : If set to false, only the grid is drawn.
|
||||
|
||||
PlotColor : Color of the plotted line
|
||||
|
||||
BackgroundColor : Background color of the area spanned by the axes
|
||||
|
||||
Color : Background color of the entire control.
|
||||
|
||||
Caption : Caption of the graph
|
||||
|
||||
|
||||
XAxis, YAxis: These control the appearance of the X and Y axis.
|
||||
They have both the following properties:
|
||||
Color : Axis color
|
||||
Linewidth : Width of the axis line
|
||||
TickColor : Color of the tick marks on the axis.
|
||||
Ticks : Number of tick marks or distance between tick marks on the
|
||||
axis.
|
||||
TickSize : Length of the tick mark.
|
||||
TickLinewidth : Linewidth for the tick marks
|
||||
TickMode : Ticks is number of ticks or distance (in pixels) between ticks.
|
||||
TickFont : Font for the tick labels
|
||||
Caption : Caption of the axis.
|
||||
@ -42,4 +48,5 @@ XAxis, YAxis: These control the appearance of the X and Y axis.
|
||||
This should be a valid float formatting specifier (used in FormatFloat);
|
||||
GridInterval : The number of ticks at which a grid line must be drawn.
|
||||
GridColor : Color of the grid line.
|
||||
GridLinewidth : Width for the grid line
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user