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TAChart: Add TChartBasicAxis.TickInnerLength property

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git-svn-id: trunk@38984 -
This commit is contained in:
ask 2012-10-07 13:54:00 +00:00
parent 8dc70f7e1f
commit 85e3ea566c
2 changed files with 30 additions and 12 deletions
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4
components/tachart/demo/func/main.lfm
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@ -13,9 +13,9 @@ object Form1: TForm1
Height = 459
Top = 0
Width = 550
ActivePage = tsDomain
ActivePage = tsColorMap
Align = alClient
TabIndex = 0
TabIndex = 1
TabOrder = 0
OnChange = PageControl1Change
object tsDomain: TTabSheet

38
components/tachart/tachartaxisutils.pas
View File

@ -153,6 +153,7 @@ type
FArrow: TChartArrow;
FGrid: TChartAxisGridPen;
FTickColor: TColor;
FTickInnerLength: Integer;
FTickLength: Integer;
FVisible: Boolean;
function GetIntervals: TChartAxisIntervalParams;
@ -160,6 +161,7 @@ type
procedure SetGrid(AValue: TChartAxisGridPen);
procedure SetIntervals(AValue: TChartAxisIntervalParams);
procedure SetTickColor(AValue: TColor);
procedure SetTickInnerLength(AValue: Integer);
procedure SetTickLength(AValue: Integer);
procedure SetVisible(AValue: Boolean);
strict protected
@ -185,6 +187,8 @@ type
property Intervals: TChartAxisIntervalParams
read GetIntervals write SetIntervals;
property TickColor: TColor read FTickColor write SetTickColor default clBlack;
property TickInnerLength: Integer
read FTickInnerLength write SetTickInnerLength default 0;
property TickLength: Integer read FTickLength write SetTickLength;
property Visible: Boolean read FVisible write SetVisible default true;
end;
@ -212,6 +216,7 @@ type
FClipRect: ^TRect;
FDrawer: IChartDrawer;
FPrevCoord: Integer;
FScaledTickInnerLength: Integer;
FScaledTickLength: Integer;
FStripeIndex: Cardinal;
FTransf: ICoordTransformer;
@ -288,6 +293,7 @@ end;
procedure TAxisDrawHelper.BeginDrawing;
begin
FScaledTickInnerLength := FDrawer.Scale(FAxis.TickInnerLength);
FScaledTickLength := FDrawer.Scale(FAxis.TickLength);
end;
@ -389,14 +395,16 @@ end;
procedure TAxisDrawHelperX.DrawLabelAndTick(
ACoord, AFixedCoord: Integer; const AText: String);
var
d: Integer;
d, up, down: Integer;
begin
d := FScaledTickLength + FAxis.Marks.CenterOffset(FDrawer, AText).cy;
if FAxis.Alignment = calTop then
up := FScaledTickInnerLength;
down := FScaledTickLength;
if FAxis.Alignment = calTop then begin
d := -d;
LineZ(
Point(ACoord, AFixedCoord - FScaledTickLength),
Point(ACoord, AFixedCoord + FScaledTickLength));
Exchange(up, down);
end;
LineZ(Point(ACoord, AFixedCoord - up), Point(ACoord, AFixedCoord + down));
DrawLabel(Point(ACoord, AFixedCoord + d), AText);
end;
@ -445,14 +453,16 @@ end;
procedure TAxisDrawHelperY.DrawLabelAndTick(
ACoord, AFixedCoord: Integer; const AText: String);
var
d: Integer;
d, left, right: Integer;
begin
d := FScaledTickLength + FAxis.Marks.CenterOffset(FDrawer, AText).cx;
if FAxis.Alignment = calLeft then
left := FScaledTickInnerLength;
right := FScaledTickLength;
if FAxis.Alignment = calLeft then begin
d := -d;
LineZ(
Point(AFixedCoord - FScaledTickLength, ACoord),
Point(AFixedCoord + FScaledTickLength, ACoord));
Exchange(left, right);
end;
LineZ(Point(AFixedCoord - left, ACoord), Point(AFixedCoord + right, ACoord));
DrawLabel(Point(AFixedCoord + d, ACoord), AText);
end;
@ -628,6 +638,7 @@ begin
Self.FMarks.Assign(Marks);
Self.FTickColor := TickColor;
Self.FTickLength := TickLength;
Self.FTickInnerLength := TickInnerLength;
Self.FVisible := Visible;
end
else
@ -689,6 +700,13 @@ begin
StyleChanged(Self);
end;
procedure TChartBasicAxis.SetTickInnerLength(AValue: Integer);
begin
if FTickInnerLength = AValue then exit;
FTickInnerLength := AValue;
StyleChanged(Self);
end;
procedure TChartBasicAxis.SetTickLength(AValue: Integer);
begin
if FTickLength = AValue then exit;