?? qiplotannotation.pas
字號:
Brush.Color := BrushColor;
Brush.Style := BrushStyle;
Ellipse(ARect.Left, ARect.Top, ARect.Right, ARect.Bottom);
FShowing := True;
FDrawRect := ARect;
IntersectRect(FClickRect, ARect, FDataView.DrawRect);
IntersectRect(FSizeTopLeftRect, Rect(ARect.Left - 3, ARect.Top - 3, ARect.Left + 3, ARect.Top + 3), FDataView.DrawRect);
IntersectRect(FSizeTopRightRect, Rect(ARect.Right - 3, ARect.Top - 3, ARect.Right + 3, ARect.Top + 3), FDataView.DrawRect);
IntersectRect(FSizeBottomLeftRect, Rect(ARect.Left - 3, ARect.Bottom - 3, ARect.Left + 3, ARect.Bottom + 3), FDataView.DrawRect);
IntersectRect(FSizeBottomRightRect, Rect(ARect.Right - 3, ARect.Bottom - 3, ARect.Right + 3, ARect.Bottom + 3), FDataView.DrawRect);
if UserSelected and FShowFocusRect then
begin
if Pen.Style = psSolid then Brush.Color := Pen.Color;
Brush.Style := bsSolid;
Pen.Style := psSolid;
{$IFDEF iVCL}
InvertRect(Canvas.Handle, FSizeTopLeftRect);
InvertRect(Canvas.Handle, FSizeTopRightRect);
InvertRect(Canvas.Handle, FSizeBottomLeftRect);
InvertRect(Canvas.Handle, FSizeBottomRightRect);
{$ENDIF}
{$IFDEF iCLX}
iRectangle(Canvas, FSizeTopLeftRect);
iRectangle(Canvas, FSizeTopRightRect);
iRectangle(Canvas, FSizeBottomLeftRect);
iRectangle(Canvas, FSizeBottomRightRect);
{$ENDIF}
end;
end;
end;
ipasTextRectangle : begin
ARect := iXYReverseRect(XYAxesReversed, PositionXToPixels(X - FWidth/2), PositionYToPixels(Y - FHeight/2),
PositionXToPixels(X + FWidth/2), PositionYToPixels(Y + FHeight/2));
if IntersectRect(DummyRect, FDataView.DrawRect, ARect) then
begin
Pen.Color := PenColor;
Pen.Width := PenWidth;
Pen.Style := PenStyle;
Brush.Color := BrushColor;
Brush.Style := BrushStyle;
Rectangle(ARect.Left, ARect.Top, ARect.Right, ARect.Bottom);
FShowing := True;
FDrawRect := ARect;
IntersectRect(FClickRect, ARect, FDataView.DrawRect);
IntersectRect(FSizeTopLeftRect, Rect(ARect.Left - 3, ARect.Top - 3, ARect.Left + 3, ARect.Top + 3), FDataView.DrawRect);
IntersectRect(FSizeTopRightRect, Rect(ARect.Right - 3, ARect.Top - 3, ARect.Right + 3, ARect.Top + 3), FDataView.DrawRect);
IntersectRect(FSizeBottomLeftRect, Rect(ARect.Left - 3, ARect.Bottom - 3, ARect.Left + 3, ARect.Bottom + 3), FDataView.DrawRect);
IntersectRect(FSizeBottomRightRect, Rect(ARect.Right - 3, ARect.Bottom - 3, ARect.Right + 3, ARect.Bottom + 3), FDataView.DrawRect);
if UserSelected and FShowFocusRect then
begin
if Pen.Style = psSolid then Brush.Color := Pen.Color;
Brush.Style := bsSolid;
Pen.Style := psSolid;
{$IFDEF iVCL}
InvertRect(Canvas.Handle, FSizeTopLeftRect);
InvertRect(Canvas.Handle, FSizeTopRightRect);
InvertRect(Canvas.Handle, FSizeBottomLeftRect);
InvertRect(Canvas.Handle, FSizeBottomRightRect);
{$ENDIF}
{$IFDEF iCLX}
iRectangle(Canvas, FSizeTopLeftRect);
iRectangle(Canvas, FSizeTopRightRect);
iRectangle(Canvas, FSizeBottomLeftRect);
iRectangle(Canvas, FSizeBottomRightRect);
{$ENDIF}
end;
Font.Assign(Self.Font);
Brush.Style := bsClear;
ATextFlags := [itfNoClip, itfSingleLine];
ATextRect := ARect;
case FTextHorzAlignment of
iahCenter : begin
ATextFlags := ATextFlags + [itfHCenter];
end;
iahLeft : begin
ATextFlags := ATextFlags + [itfHLeft];
ATextRect.Left := ATextRect.Left + Round(TextWidth('A')*FTextHorzMargin);
end;
iahRight : begin
ATextFlags := ATextFlags + [itfHRight];
ATextRect.Right := ATextRect.Right - Round(TextWidth('A')*FTextHorzMargin);
end;
end;
case FTextVertAlignment of
iavCenter : begin
ATextFlags := ATextFlags + [itfVCenter];
end;
iavTop : begin
ATextFlags := ATextFlags + [itfVTop];
ATextRect.Top := ATextRect.Top + Round(TextHeight('A')*FTextVertMargin);
end;
iavBottom : begin
ATextFlags := ATextFlags + [itfVBottom];
ATextRect.Bottom := ATextRect.Bottom - Round(TextHeight('A')*FTextVertMargin);
end;
end;
iDrawText(Canvas, Text, ATextRect, ATextFlags);
end;
end;
ipasImage : begin
case FImageListIndex of
0 : ImageList := TiPlotComponentAccess(Owner).ImageList0;
1 : ImageList := TiPlotComponentAccess(Owner).ImageList1;
else ImageList := TiPlotComponentAccess(Owner).ImageList2;
end;
APoint1 := iXYReversePoint(XYAxesReversed, PixelsX, PixelsY);
APoint1.X := APoint1.X - ImageList.Width div 2;
APoint1.Y := APoint1.Y - ImageList.Height div 2;
ARect := Rect(APoint1.X, APoint1.Y,
APoint1.X + ImageList.Width, APoint1.Y + ImageList.Height);
if IntersectRect(DummyRect, FDataView.DrawRect, ARect) then
begin
FShowing := True;
{$ifdef iVCL}ImageList.Draw(Canvas, APoint1.X, APoint1.Y, FImageIndex, Enabled);{$endif}
{$ifdef iCLX}ImageList.Draw(Canvas, APoint1.X, APoint1.Y, FImageIndex, itImage, Enabled);{$endif}
FClickRect := ARect;
end;
end;
end;
end;
end;
//****************************************************************************************************************************************************
function TiPlotAnnotation.iMouseHitTest(MouseData: TiPlotMouseData): Boolean;
begin
Result := inherited iMouseHitTest(MouseData);
if not TiPlotComponentAccess(Owner).SelectModeActive then Exit;
if FShowing then
begin
if PtInRect(FClickRect, Point(MouseData.X, MouseData.Y)) then Result := True;
if PtInRect(FSizeTopLeftRect, Point(MouseData.X, MouseData.Y)) then Result := True;
if PtInRect(FSizeTopRightRect, Point(MouseData.X, MouseData.Y)) then Result := True;
if PtInRect(FSizeBottomLeftRect, Point(MouseData.X, MouseData.Y)) then Result := True;
if PtInRect(FSizeBottomRightRect, Point(MouseData.X, MouseData.Y)) then Result := True;
end;
end;
//****************************************************************************************************************************************************
function TiPlotAnnotation.GetMousePointer(APoint: TPoint): TCursor;
begin
if FUserCanSize and IsSizeable and UserSelected then
begin
if PtInRect(FSizeTopLeftRect, APoint) then Result := crSizeNWSE
else if PtInRect(FSizeBottomRightRect, APoint) then Result := crSizeNWSE
else if PtInRect(FSizeTopRightRect, APoint) then Result := crSizeNESW
else if PtInRect(FSizeBottomLeftRect, APoint) then Result := crSizeNESW
else Result := crHandPoint;
end
else Result := crHandPoint;
end;
//****************************************************************************************************************************************************
procedure TiPlotAnnotation.DoMouseLeft(MouseData: TiPlotMouseData);
begin
if FShowing then
begin
FSelectStyle := ipassNone;
if IsSizeable then
begin
if PtInRect(FSizeTopLeftRect, Point(MouseData.X, MouseData.Y)) then FSelectStyle := ipassSizeTopLeft
else if PtInRect(FSizeBottomRightRect, Point(MouseData.X, MouseData.Y)) then FSelectStyle := ipassSizeBottomRight
else if PtInRect(FSizeTopRightRect, Point(MouseData.X, MouseData.Y)) then FSelectStyle := ipassSizeTopRight
else if PtInRect(FSizeBottomLeftRect, Point(MouseData.X, MouseData.Y)) then FSelectStyle := ipassSizeBottomLeft
end;
if IsMoveable and (FSelectStyle = ipassNone) then FSelectStyle := ipassMove;
FMouseDown := True;
FMouseDownRect := FDrawRect;
FRectChange := False;
FMouseDownXPos := MousePointToXPos(Point(MouseData.X, MouseData.Y));
FMouseDownYPos := MousePointToYPos(Point(MouseData.X, MouseData.Y));
FMouseDownXValue := X;
FMouseDownYValue := Y;
FMouseDownX2Value := X2;
FMouseDownY2Value := Y2;
if XYAxesReversed and (Reference = iprtChannel) then
begin
FMouseDownX := MouseData.X;
FMouseDownY := MouseData.Y;
FMouseDownWidth := FWidth;
FMouseDownHeight := FHeight;
FMouseDownPositionPixelsX := PositionYToPixels(FY);
FMouseDownPositionPixelsY := PositionXToPixels(FX);
end
else
begin
FMouseDownX := MouseData.X;
FMouseDownY := MouseData.Y;
FMouseDownWidth := FWidth;
FMouseDownHeight := FHeight;
FMouseDownPositionPixelsX := PositionXToPixels(FX);
FMouseDownPositionPixelsY := PositionYToPixels(FY);
end;
end;
end;
//****************************************************************************************************************************************************
procedure TiPlotAnnotation.DoMouseMove(MouseData: TiPlotMouseData);
var
NewRect : TRect;
DeltaX : Double;
DeltaY : Double;
begin
if not UserSelected then Exit;
if FMouseDown then
begin
case FSelectStyle of
ipassMove : if XYAxesReversed and (Reference = iprtChannel) then
begin
if FStyle = ipasRectangle then
begin
NewRect := FMouseDownRect;
OffsetRect(NewRect, MouseData.X - FMouseDownX, MouseData.Y - FMouseDownY);
SetupRectangle(NewRect);
end
else if FStyle = ipasEllipse then
begin
DeltaY := PixelsXToPosition(MouseData.X) - PixelsXToPosition(FMouseDownX);
DeltaX := PixelsYToPosition(MouseData.Y) - PixelsYToPosition(FMouseDownY);
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