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Home  ChartPack PolChart Interface of SDL_PolChart |
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| See also: Using TPolChart |   |
Interface of SDL_PolChart |
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const
defShadowWidth = 0; { default width of shadow }
defPenStyle = psSolid; { default pen style }
defDataCol = clblack; { default data color }
defScaleCol = clBlack; { default scale color }
defFillCol = clSilver; { default fill color }
defChartCol = clWhite; { default chart background color }
defGridCol = clBlack; { default grid color }
defLineWid = 1; { default line width }
defPCHeight = 160; { default height }
defPCWidth = 240; { default width }
defDecPlcRad = 2; { nr. of dec. places on radius }
defDecPlcPhi = 2; { nr. of dec. places for angle }
MaxCrossH = 4; { number of crosshairs }
MaxTxtLbl = 20; { number of text labels }
{$IFDEF PAIDVERS}
SDLVersionInfo = 'polchart_r1200_full';
IsLightEd = false;
{$ELSE}
SDLVersionInfo = 'polchart_r1200_lighted';
IsLightEd = true;
{$ENDIF}
Release = 1200;
type
ESDLPolChartError = class(ESDLError); { exception type to indicate errors }
TpcCrossHMode = (chOff, chOrtho, chPolar); { kind of cross hair }
TpcCrossHair = class (TPersistent)
private
FPosRad : double; { crosshair radius position }
FPosPhi : double; { crosshair angle position }
FColor : TColor; { color of crosshair }
FMode : TpcCrossHMode; { mode of crosshair }
FLineType : TPenStyle; { type of crosshair line }
FLineWid : integer; { width of crosshair line }
FOnChange : TNotifyEvent;
procedure SetCrossHPosRad (value: double);
procedure SetCrossHPosPhi (value: double);
procedure SetCrossHColor (value: TColor);
procedure SetCrossHMode (value: TpcCrossHMode);
procedure SetCrossHLineType (value: TPenStyle);
procedure SetCrossHLineWid (value: integer);
public
procedure Changed;
procedure SetPosition (Rad, Phi: double);
published
property Color: TColor read FColor write SetCRossHColor;
property LineType: TPenStyle
read FLineType write SetCrossHLineType;
property LineWid: integer read FLineWid write SetCrossHLineWid;
property Mode: TpcCrossHMode read FMode write SetCrossHMode;
property PosPhi: double read FPosPhi write SetCrossHPosPhi;
property PosRad: double read FPosRad write SetCrossHPosRad;
property OnChange: TNotifyEvent read FOnChange write FOnChange;
end;
TpcTextLabel = class (TPersistent)
private
FPosRad : double; { crosshair radius position }
FPosPhi : double; { crosshair angle position }
FXShadow : integer; { dx of label shadow }
FYShadow : integer; { dy of label shadow }
FColorShadow : TColor; { color of shadow }
FAlignment : TAlignment; { alignment of label }
FAttachDat : boolean; { determines whether position is
attached to screen or data }
FColorBkg : TColor; { color of background }
FColorBrd : TColor; { color of border line }
FTransPar : boolean; { TRUE: box is transparent }
FFont : TFont; { text font }
FCaption : string; { text of label }
FVisible : boolean; { visibility of label }
FMode : TTxtLblMode; { display mode of text label }
FOnChange : TNotifyEvent;
procedure SetTxtLblAlignment (al: TAlignment);
procedure SetTxtLblPosRad (value: double);
function GetTxtLblPosRad: double;
procedure SetTxtLblPosPhi (value: double);
procedure SetTxtLblColorBkg (value: TColor);
procedure SetTxtLblColorBrd (value: TColor);
procedure SetTxtLblColorShadow (value: TColor);
procedure SetTxtLblTranspar (value: boolean);
procedure SetTxtLblMode (value: TTxtLblMode);
procedure SetTxtLblFont (value: TFont);
procedure SetTxtLblCaption (value: string);
procedure SetTxtLblScreenPos (value : boolean);
procedure SetTxtLblShadowDx (value: integer);
procedure SetTxtLblShadowDy (value: integer);
procedure SetTxtLblVisible (value: boolean);
public
procedure Changed;
published
property PosRad: double read GetTxtLblPosRad write SetTxtLblPosRad;
property PosPhi: double read FPosPhi write SetTxtLblPosPhi;
property AttachToData: boolean
read FAttachDat write SetTxtLblScreenPos;
property ColorBkg: TColor read FColorBkg write SetTxtLblColorBkg;
property ColorBorder: TColor
read FColorBrd write SetTxtLblColorBrd;
property ColorShadow: TColor
read FColorShadow write SetTxtLblColorShadow;
property ShadowDx: integer read FXShadow write SetTxtLblShadowDx;
property ShadowDy: integer read FYShadow write SetTxtLblShadowDy;
property Transparent: boolean
read FTransPar write SetTxtLblTransPar;
property Alignment: TAlignment
read FAlignment write SetTxtLblAlignment;
property Font: TFont read FFont write SetTxtLblFont;
property Mode: TTxtLblMode read FMode write SetTxtLblMode;
property Visible: boolean
read FVisible write SetTxtLblVisible;
property Caption: string read FCaption write SetTxtLblCaption;
property OnChange: TNotifyEvent read FOnChange write FOnChange;
end;
TpcItem = (tkNone, tkMarkAt, tkLine, tkLineto, tkRect, tkRectFrame,
tkText, tkMoveTo, tkPoleCircle, tkEverything,
tkNotMoveTo, tkMoveRelPix, tkLineRelPix);
{ Attention: if the TPCItem is changed, the array
FItemCount should also be adjusted }
TpcChartItem = record
r,phi : double; { coordinates of chart item }
r2, phi2 : double; { other corner of rectangles }
Color : TColor; { color of item }
FillColor : TColor; { fill color }
ShadowColor : TColor; { shadow color }
HiLightColor : TColor; { highlight color }
PenStyle : TPenStyle; { pen style used for this item }
Tag : longint; { user defined tag }
LWid : byte; { line width }
ItemClass : byte; { class number of item }
ItemKind : TpcItem; { kind of chart item }
Transp : boolean; { transparency }
FrameStyle : TFrameStyle; { frame style }
Text : string[15]; { text }
Size : integer; { font size of text }
mark : byte; { mark }
end;
TpcGridStyleRad = (gsRadNone, gsRadOuterDots, gsRadOuterSolid, gsRadBothDots,
gsRadBothSolid, gsRadBothMixed);
TpcGridStyleAng = (gsAngNone, gsAngDots, gsAngSolid);
TpcTextBkg = (tbClear, tbSolid);
{ event for mouse pos. in chart coords }
TpcMouseMoveInChartEvent = procedure (Sender: TObject; InChart: boolean;
Shift: TShiftState;
rad, phi: double) of object;
TpcScaleKind = (sckRad, sckPhi);
TpcBeforeDrawScaleLabelEvent = procedure (Sender: TObject; Canvas: TCanvas;
ScaleType: TpcScaleKind;
var CurrentTickLabel: string;
ChartX, ChartY: integer) of object;
TpcRenderEvent = procedure (Sender: TObject; Canvas: TCanvas;
Top, Left: integer) of object;
TpcCrossHairMoveEvent = procedure (Sender: TObject;
WhichCrossHair: TpcCrossHair) of object;
TpcTextLabelMoveEvent = procedure (Sender: TObject;
WhichTextLabel: TpcTextLabel) of object;
TpcRotationDir = (rdClockwise, rdCounterCW);
TpcAngLabelMode = (almNone, almDegrees, almRadians, almMultiPi, almSymmDeg,
almSymmRad, almSymmMultiPi);
TpcRadLabelMode = (rlmNone, rlmVertLeft, rlmVertCenter, rlmVertRight);
TCustomPolChart = class(TCustomControl)
private
{$IFDEF SDLDEBUG}
StartSystime : double;
DebugFile : TextFile;
{$ENDIF}
ColBakShadow : TColor;
ColBakShadowBgnd : TColor;
ColBakScale : TColor;
ColBakChart : TColor;
ColBakGrid : TColor;
ColBakFont : TColor;
LButtonWasDown : boolean; { global identifier to track panning
by left mouse button }
MouseAnchorScrX : integer; { anchor mouse pos. on TPolChart canvas }
MouseAnchorScrY : integer;
MouseAnchorCentX : integer;
MouseAnchorCentY : integer;
MouseAnchorMag : double;
MouseBoxState : TMouseBoxState;
FZoomState : TZoomState;
LastMouseX : integer;
LastMouseY : integer;
MouseBoxX1 : integer;
MouseBoxX2 : integer;
MouseBoxY1 : integer;
MouseBoxY2 : integer;
WindAnchorX : integer;
WindAnchorY : integer;
WindOldCornerX : integer;
WindOldCornerY : integer;
FItClassVisib : array[0..255] of boolean;{ visib. of item classes }
FOnMMvInChart : TpcMouseMoveInChartEvent;
FOnZoomPan : TZoomPanEvent;
FOnBefDrawSclLab : TpcBeforeDrawScaleLabelEvent;
FOnDataRendered : TpcRenderEvent;
FOnCrossHMove : TpcCrossHairMoveEvent;
FOnTxtLblMove : TpcTextLabelMoveEvent;
FAngLabelMode : TpcAngLabelMode;
FRadLabelMode : TpcRadLabelMode;
FNumChartItems : longint; { no. of chart items in data container }
FNumAllocated : longint; { number of allocated container cells }
FAllocSize : integer; { allocation size for data container }
FCentX : integer; { pixel coordinates of origin }
FCentY : integer;
FAutoCenter : boolean; { TRUE: chart is automatically centered }
Fxasp, Fyasp : integer; { pixel widths of canvas }
FMagnify : double; { magnification factor }
FRangeLo : double; { range of axis }
FRangeHi : double; { range of axis }
FRotMode : integer; { +1=clockwise, -1=counter clockwise }
FAngleRays : double; { angle between rays of chart }
FAngleOffset : double; { angular offset for zero degrees }
FUseDegree : double; { 1=use radiants, Pi/180= use degrees }
AuxBmp : TBitMap; { bitmap to hold background picture }
AuxCHBmp : TBitMap; { bitmap to create cross hairs }
GrafBmp : TBitmap; { off-screen graphics bitmap }
ChartBmp : TBitmap; { off-screen chart bitmap }
FDataTag : longint; { user defined tag }
FGridCol : TColor; { color of grid }
F3DRim : integer; { width of shadow }
FShadowStyle : TShadowStyle; { style of shadow }
FShadowColor : TColor; { color of shadow }
FShadowBakCol : TColor; { color of shadow background }
FGridStyleRad : TpcGridStyleRad; { style of radial grid }
FGridStyleAng : TpcGridStyleAng; { style of angular grid }
FMouseAction : TMouseActMode; { type of allowed mouse action }
FDataCol : TColor; { color of data }
FScaleCol : TColor; { color of scales }
FFillCol : TColor; { fill color of rect/circle }
FChartCol : TColor; { color of chart background }
FPenStyle : TPenStyle; { pen style of drawing }
FLineWid : byte; { line width of tkLine and tkLineTo }
FClassDefault : byte; { default class number for new items }
FDecPlaceRad : integer; { nr. of dec. places on x-axes }
FDecPlacePhi : integer; { nr. of dec. places on y-axes }
Cpkx, Cpdx : extended; { params for scaling on x-axis }
Cpky, Cpdy : extended; { params for scaling on y-axis }
FMousePosRad : double; { mouse x position - real coords }
FMousePosPhi : double; { mouse y position - real coords }
FCrossHair : array[1..MaxCrossH] of TpcCrossHair; {cross hairs }
FTextLabels : array[1..MaxTxtLbl] of TpcTextLabel; {text labels }
CHNext : integer; { index of crosshair picked by mouse }
TLNext : integer; { index of text label picked by mouse }
FAutoRedraw : boolean; {TRUE: automatic redraw on any change }
FNumPPa : longint; { number of polyline segments }
FTextFontStyle : TFontStyles; { font style of text labels }
FTextBkStyle : TpcTextBkg; { background style of text labels }
FTextBkColor : TColor; { background color of text labels }
FTextAlignment : TAlignment; { alignment of text }
FTranspItems : boolean; {TRUE: transparent circle & rectangle }
procedure AdjustScaling; virtual;
procedure BackupColorsAndMakeBW;
procedure ConstructChartFrameBmp(cv: TCanvas);
procedure ConstructDataBmp (cv: TCanvas; BlkWhite: boolean;
FirstItem: longint);
procedure DrawFinish (xPos, yPos: integer; SrcBmp: TBitMap);
function ExtractUserText (TickText: string; ix: integer): string;
function GetChartItem (idx: longint): TpcChartItem;
function GetTypeOfFirstItem: TPCItem;
function GetTypeOfLastItem: TPCItem;
function GetClassVisib (cnum: byte): boolean;
function GetCHPosRad (chnum: integer): double;
function GetCHPosPhi (chnum: integer): double;
function GetCrossHair1: TpcCrossHair;
function GetCrossHair2: TpcCrossHair;
function GetCrossHair3: TpcCrossHair;
function GetCrossHair4: TpcCrossHair;
function GetItemCount (it: TPCItem): longint;
function GetFTextLabel (ix: integer): TpcTextLabel;
function GetMousePosRad: double;
function GetMousePosPhi: double;
function GetRotMode: TpcRotationDir;
function GetUseDeg: boolean;
procedure PrepareDataBmp (ABitMap: TBitMap);
procedure ReloadBackupColors;
procedure SetAllocSize (alloc: integer);
procedure SetAngLabelMode (alm: TpcAngLabelMode);
procedure SetAngleRays (ang: double);
procedure SetAngleOffset (ao: double);
procedure SetCentX (value: integer);
procedure SetCentY (value: integer);
procedure SetAutoCenter (value: boolean);
procedure SetClassVisib (cnum: byte; value: boolean);
procedure SetCHPosRad (chnum: integer; value: double);
procedure SetCHPosPhi (chnum: integer; value: double);
procedure SetF3DRim (r: integer);
procedure SetRadLabelMode (rlm: TpcRadLabelMode);
procedure SetRotMode (rm: TpcRotationDir);
procedure SetDataTag (tag: longint);
procedure SetShadowStyle (ss: TShadowStyle);
procedure SetShadowColor (c: TColor);
procedure SetShadowBakColor (c: TColor);
procedure SetChartitem (idx: longint; item: TpcChartItem);
procedure SetClassDefault (DefClass: byte);
procedure SetCrossHair1 (x: TpcCrossHair);
procedure SetCrossHair2 (x: TpcCrossHair);
procedure SetCrossHair3 (x: TpcCrossHair);
procedure SetCrossHair4 (x: TpcCrossHair);
procedure SetDecPlcRad (d: integer);
procedure SetDecPlcPhi (d: integer);
procedure SetGridStyleRad (gs: TpcGridStyleRad);
procedure SetGridStyleAng (gs: TpcGridStyleAng);
procedure SetDataCol (c: TColor);
procedure SetScaleCol (c: TColor);
procedure SetFillCol (c: TColor);
procedure SetChartCol (c: TColor);
procedure SetGridCol (c: TColor);
procedure SetPenStyle (ps: TPenStyle);
procedure SetMagnify (m: double);
procedure SetLineWid (w: byte);
procedure SetUseDeg (udeg: boolean);
procedure SetRangeHigh (r: double);
procedure SetRangeLow (r: double);
procedure SetSuppressPaint (supp: boolean);
{$IFNDEF ISCLX}
procedure WMMouseMoveInChart(var Message: TWMMouse);
message WM_MOUSEMOVE;
{$ENDIF}
procedure SetTextFontStyle (tfs: TFontStyles);
procedure SetTextBkStyle (bs: TpcTextBkg);
procedure SetTextBkColor (bc: TColor);
procedure SetTextAlignment (al: TAlignment);
procedure SetFTextLabel (ix: integer; value: TpcTextLabel);
protected
FDataContainer: array of TpcChartItem; { array of drawing items }
FLastElemOnShow: longint;{ index of last entry when ShowGraf is called }
FItemCount: array[tkNone..tkLineRelPix] of longint; { element count }
FSuppressPaint : boolean; { TRUE: suppress all paint calls }
procedure ProcessResize(Sender: TObject);
procedure FontHasChanged (Sender: TObject);
procedure Paint; override;
procedure Loaded; override;
procedure MouseMove (Shift: TShiftState; X,Y: integer); override;
procedure MouseMoveInChart (InChart: boolean; Shift: TShiftState;
RMousePosRad, RMousePosPhi: double);
procedure MouseDown (Button: TMouseButton;
Shift: TShiftState; X, Y: Integer); override;
procedure MouseUp (Button: TMouseButton;
Shift: TShiftState; X, Y: Integer); override;
procedure StyleChanged (Sender: TObject);
procedure DoZoomPanEvent;
procedure DoCrossHMoveEvent (WhichCH: TpcCrossHair);
procedure DoTxtLblMoveEvent (WhichTL: TpcTextLabel);
procedure M2R (xin, yin: longint; var rad, phi: double);
procedure R2M (rad, phi: double; var xout,yout: longint);
procedure ClearGraf;
procedure ShowGraf;
procedure ShowGrafNewOnly;
function MouseBox (var RadBottomLeft, PhiBottomLeft, RadTopRight,
PhiTopRight: double): boolean;
procedure MouseBoxAbort;
procedure HideAllTextLabels;
procedure ClearAllTextLabels;
function AddTextLabel (PosRad, PosPhi: double; TxtColor: TColor;
Txt: string; PropertyTemplate: integer): integer;
procedure CenterChart;
procedure CopyToBitmap (ABitmap: TBitmap; BlkWhite: boolean);
procedure CopyToBMP (FName: string; BlkWhite: boolean);
procedure CopyToClipboard (BlkWhite: boolean);
{$IFNDEF ISCLX}
procedure CopyToClipBoardWMF (BlkWhite: boolean);
procedure CopyToWMF (FName: string; BlkWhite: boolean);
procedure CopyToOpenPrinter (var x,y: integer; ScaleF: double;
BlkWhite: boolean);
procedure PrintIt (ScaleF: double; BlkWhite: boolean);
property DataContainer[idx: longint]: TpcChartItem
read GetChartItem write SetChartItem;
{$ENDIF}
property CrossHairPosRad [chnum: integer]: double
read GetCHPosRad write SetCHPosRad;
property CrossHairPosPhi [chnum: integer]: double
read GetCHPosPhi write SetCHPosPhi;
procedure CrossHairSetPos (chnum: integer; rad, phi: double);
procedure CrossHairSetup (ch: integer; chColor: TColor;
Mode: TpcCrossHMode; LineType: TPenStyle; LineWidth: integer);
property DataTag: longint read FDataTag write SetDataTag;
procedure DrawTo (rad, phi: double);
procedure DrawToRelPix (dx,dy: integer);
procedure PoleCircle (rad: double);
procedure Line (rad1, phi1, rad2, phi2: double);
procedure MoveTo (rad, phi: double);
procedure MoveToRelPix (dx,dy: integer);
procedure MarkAt (rad, phi: double; mk: byte);
property NumItems: longint read FNumChartItems;
procedure Rectangle (rad1, phi1, rad2, phi2: double);
procedure RectFrame (rad1, phi1, rad2, phi2: double;
FrameStyle: TFrameStyle; ShadowColor, HiLightColor: TColor);
procedure SaveDataASC (FName: string);
{$IFNDEF DOTNET}
procedure SaveData (FName: string);
procedure LoadData (FName: string; AppendIt: boolean);
{$ENDIF}
procedure Text (rad, phi: double; size: integer; txt: string);
procedure RemoveLastItem;
procedure RemoveFirstItem;
procedure RemoveItem (Index: longint);
function RemoveItemsByClass (ClassNumber: byte): longint;
procedure FindMinMax (RadLow, PhiLow, RadHigh, PhiHigh: double;
var MinRad, MinPhi, MaxRad, MaxPhi: double);
function GetItemParams (Item: longint): TpcChartItem;
property ItemCount[it: TPCItem]: longint read GetItemCount;
procedure SetTextLabel (Idx: integer; PosRad, PosPhi: double;
TxtColor: TColor; Txt: string; PropertyTemplate: integer);
procedure SetItemParams (Item: longint; ItParams: TpcChartItem);
property SuppressPaint: boolean
read FSuppressPaint write SetSuppressPaint;
function MarkItemsInWindow (RadLo, PhiLo, RadHi, PhiHi: double;
ItemID: TpcItem; ClassNumber: byte): longint;
procedure MarkAllItems (ItemID: TPCItem; ClassNumber: byte);
property MousePosRad: double read GetMousePosRad;
property MousePosPhi: double read GetMousePosPhi;
property ClassVisible [cnum:byte]: boolean
read GetClassVisib write SetClassVisib;
property TransparentItems: boolean
read FTranspItems write FTranspItems;
property TypeOfLastItem: TPCItem read GetTypeOfLastItem;
property TypeOfFirstItem: TPCItem read GetTypeOfFirstItem;
procedure NewColorOfClassItems (Newcol: TColor; ClassNumber: byte);
property TextLabels[ix: integer]: TpcTextLabel
read GetFTextLabel write SetFTextLabel;
property Font;
property Align;
property Visible;
property ShowHint;
property PopupMenu;
property Anchors;
property Constraints;
property AllocSize: integer read FAllocSize write SetAllocSize;
property AngleOffset: double read FAngleOffset write SetAngleOffset;
property AutoRedraw: boolean read FAutoRedraw write FAutoRedraw;
property AutoCenter: boolean read FAutoCenter write SetAutoCenter;
property CenterX: integer read FCentX write SetCentX;
property CenterY: integer read FCentY write SetCentY;
property ClassDefault: byte read FClassDefault write SetClassDefault;
property DecPlaceRad: integer
read FDecPlaceRad write SetDecPlcRad default defDecPlcRad;
property DecPlacePhi: integer
read FDecPlacePhi write SetDecPlcPhi default defDecPlcPhi;
property GridColor: TColor
read FGridCol write SetGridCol default DefGridCol;
property GridStyleAngular: TpcGridStyleAng
read FGridStyleAng write SetGridStyleAng;
property GridStyleRadial: TpcGridStyleRad
read FGridStyleRad write SetGridStyleRad;
property DataColor: TColor
read FDataCol write SetDataCol default DefDataCol;
property PenStyle: TPenStyle
read FPenStyle write SetPenStyle default DefPenStyle;
property ScaleColor: TColor
read FScaleCol write SetScaleCol default DefScaleCol;
property FillColor: TColor
read FFillCol write SetFillCol default DefFillCol;
property ChartColor: TColor
read FChartCol write SetChartCol default DefChartCol;
property LineWidth: byte
read FLineWid write SetLineWid default DefLineWid;
property LabelModeAngular: TpcAngLabelMode
read FAngLabelMode write SetAngLabelMode;
property LabelModeRadial: TpcRadLabelMode
read FRadLabelMode write SetRadLabelMode;
property CrossHair1: TpcCrossHair
read GetCrossHair1 write SetCrossHair1;
property CrossHair2: TpcCrossHair
read GetCrossHair2 write SetCrossHair2;
property CrossHair3: TpcCrossHair
read GetCrossHair3 write SetCrossHair3;
property CrossHair4: TpcCrossHair
read GetCrossHair4 write SetCrossHair4;
property RangeLow: double read FRangeLo write SetRangeLow;
property RangeHigh: double read FRangeHi write SetRangeHigh;
property AngleBtwRays: double read FAngleRays write SetAngleRays;
property MagFactor: double read FMagnify write SetMagnify;
property MouseAction: TMouseActMode
read FMouseAction write FMouseAction;
property RotationDir: TpcRotationDir read GetRotMode write SetRotMode;
property ShadowWidth: integer
read F3DRim write SetF3DRim default DefShadowWidth;
property ShadowStyle: TShadowStyle
read FShadowStyle write SetShadowStyle;
property ShadowColor: TColor read FShadowColor write SetShadowColor;
property ShadowBakColor: TColor
read FShadowBakCol write SetShadowBakColor;
property TextFontStyle: TFontStyles
read FTextFontStyle write SetTextFontStyle;
property TextBkStyle: TpcTextBkg
read FTextBkStyle write SetTextBkStyle;
property TextBkColor: TColor read FTextBkColor write SetTextBkColor;
property TextAlignment: TAlignment
read FTextAlignment write SetTextAlignment;
property UseDegrees: boolean read GetUseDeg write SetUseDeg;
property OnClick;
property OnDblClick;
property OnMouseMove;
property OnMouseDown;
property OnMouseUp;
property OnMouseMoveInChart: TpcMouseMoveInChartEvent
read FOnMMvInChart write FOnMMvInChart;
property OnZoomPan: TZoomPanEvent read FOnZoomPan write FOnZoomPan;
property OnBeforeDrawScaleLabel: TPCBeforeDrawScaleLabelEvent
read FOnBefDrawSclLab write FOnBefDrawSclLab;
property OnDataRendered: TpcRenderEvent
read FOnDataRendered write FOnDataRendered;
property OnCrossHairMove: TpcCrossHairMoveEvent
read FOnCrossHMove write FOnCrossHMove;
property OnTextLabelMove: TpcTextLabelMoveEvent
read FOnTxtLblMove write FOnTxtLblMove;
{$IFNDEF ISCLX} // Kylix does not know OnCanResize
property OnCanResize;
property OnResize;
{$ENDIF}
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
end;
TPolChart = class(TCustomPolChart)
protected
procedure CreateWnd; override;
public
procedure M2R (xin, yin: longint; var rad, phi: double);
procedure R2M (rad, phi: double; var xout,yout: longint);
procedure ClearGraf;
procedure ShowGraf;
procedure ShowGrafNewOnly;
function MouseBox (var RadBottomLeft, PhiBottomLeft, RadTopRight,
PhiTopRight: double): boolean;
procedure MouseBoxAbort;
procedure HideAllTextLabels;
procedure ClearAllTextLabels;
function AddTextLabel (PosRad, PosPhi: double; TxtColor: TColor;
Txt: string; PropertyTemplate: integer): integer;
procedure CenterChart;
procedure CopyToBitmap (ABitmap: TBitmap; BlkWhite: boolean);
procedure CopyToBMP (FName: string; BlkWhite: boolean);
procedure CopyToClipboard (BlkWhite: boolean);
{$IFNDEF ISCLX}
procedure CopyToClipBoardWMF (BlkWhite: boolean);
procedure CopyToWMF (FName: string; BlkWhite: boolean);
procedure CopyToOpenPrinter (var x,y: integer; ScaleF: double;
BlkWhite: boolean);
procedure PrintIt (ScaleF: double; BlkWhite: boolean);
property DataContainer;
{$ENDIF}
property CrossHairPosRad;
property CrossHairPosPhi;
procedure CrossHairSetPos (chnum: integer; rad, phi: double);
procedure CrossHairSetup (ch: integer; chColor: TColor;
Mode: TpcCrossHMode; LineType: TPenStyle; LineWidth: integer);
property DataTag;
procedure DrawTo (rad, phi: double);
procedure DrawToRelPix (dx,dy: integer);
procedure PoleCircle (rad: double);
procedure Line (rad1, phi1, rad2, phi2: double);
procedure MoveTo (rad, phi: double);
procedure MoveToRelPix (dx,dy: integer);
procedure MarkAt (rad, phi: double; mk: byte);
property NumItems;
procedure Rectangle (rad1, phi1, rad2, phi2: double);
procedure RectFrame (rad1, phi1, rad2, phi2: double;
FrameStyle: TFrameStyle; ShadowColor, HiLightColor: TColor);
procedure SaveDataASC (FName: string);
{$IFNDEF DOTNET}
procedure SaveData (FName: string);
procedure LoadData (FName: string; AppendIt: boolean);
{$ENDIF}
procedure Text (rad, phi: double; size: integer; txt: string);
procedure RemoveLastItem;
procedure RemoveFirstItem;
procedure RemoveItem (Index: longint);
function RemoveItemsByClass (ClassNumber: byte): longint;
procedure FindMinMax (RadLow, PhiLow, RadHigh, PhiHigh: double;
var MinRad, MinPhi, MaxRad, MaxPhi: double);
function GetItemParams (Item: longint): TpcChartItem;
property ItemCount;
procedure SetTextLabel (Idx: integer; PosRad, PosPhi: double;
TxtColor: TColor; Txt: string; PropertyTemplate: integer);
procedure SetItemParams (Item: longint; ItParams: TpcChartItem);
property SuppressPaint;
function MarkItemsInWindow (RadLo, PhiLo, RadHi, PhiHi: double;
ItemID: TpcItem; ClassNumber: byte): longint;
procedure MarkAllItems (ItemID: TPCItem; ClassNumber: byte);
property MousePosRad;
property MousePosPhi;
property ClassVisible;
property TransparentItems;
property TypeOfLastItem;
property TypeOfFirstItem;
procedure NewColorOfClassItems (Newcol: TColor; ClassNumber: byte);
property TextLabels;
published
property Font;
property Align;
property Visible;
property ShowHint;
property PopupMenu;
property Anchors;
property Constraints;
property AllocSize;
property AngleOffset;
property AutoRedraw;
property AutoCenter;
property CenterX;
property CenterY;
property ClassDefault;
property DecPlaceRad;
property DecPlacePhi;
property GridColor;
property GridStyleAngular;
property GridStyleRadial;
property DataColor;
property PenStyle;
property ScaleColor;
property FillColor;
property ChartColor;
property LineWidth;
property LabelModeAngular;
property LabelModeRadial;
property CrossHair1;
property CrossHair2;
property CrossHair3;
property CrossHair4;
property RangeLow;
property RangeHigh;
property AngleBtwRays;
property MagFactor;
property MouseAction;
property RotationDir;
property ShadowWidth;
property ShadowStyle;
property ShadowColor;
property ShadowBakColor;
{$IFDEF GE_LEV17}
(**) property StyleElements;
{$ENDIF}
property TextFontStyle;
property TextBkStyle;
property TextBkColor;
property TextAlignment;
property UseDegrees;
property OnClick;
property OnDblClick;
property OnMouseMove;
property OnMouseDown;
property OnMouseUp;
property OnMouseMoveInChart;
property OnZoomPan;
property OnBeforeDrawScaleLabel;
property OnDataRendered;
property OnCrossHairMove;
property OnTextLabelMove;
{$IFNDEF ISCLX} // Kylix does not know OnCanResize
property OnCanResize;
property OnResize;
{$ENDIF}
end;
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Last Update: 2023-Feb-06