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fpspreadsheet: xlsx chart writer supports line series.

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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@9243 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
wp_xxyyzz 2024-02-14 21:25:42 +00:00
parent 2dd2f58400
commit 3df923204b
8 changed files with 421 additions and 85 deletions
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68
components/fpspreadsheet/examples/other/chart/linechart_write_demo.lpi Normal file
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@ -0,0 +1,68 @@
<?xml version="1.0" encoding="UTF-8"?>
<CONFIG>
<ProjectOptions>
<Version Value="12"/>
<PathDelim Value="\"/>
<General>
<Flags>
<MainUnitHasCreateFormStatements Value="False"/>
<MainUnitHasTitleStatement Value="False"/>
<MainUnitHasScaledStatement Value="False"/>
</Flags>
<SessionStorage Value="InProjectDir"/>
<Title Value="linechart_write_demo"/>
<UseAppBundle Value="False"/>
<ResourceType Value="res"/>
</General>
<BuildModes>
<Item Name="Default" Default="True"/>
</BuildModes>
<PublishOptions>
<Version Value="2"/>
<UseFileFilters Value="True"/>
</PublishOptions>
<RunParams>
<FormatVersion Value="2"/>
</RunParams>
<RequiredPackages>
<Item>
<PackageName Value="laz_fpspreadsheet"/>
</Item>
</RequiredPackages>
<Units>
<Unit>
<Filename Value="linechart_write_demo.lpr"/>
<IsPartOfProject Value="True"/>
</Unit>
</Units>
</ProjectOptions>
<CompilerOptions>
<Version Value="11"/>
<PathDelim Value="\"/>
<Target>
<Filename Value="linechart_write_demo"/>
</Target>
<SearchPaths>
<IncludeFiles Value="$(ProjOutDir)"/>
<UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
</SearchPaths>
<Linking>
<Debugging>
<DebugInfoType Value="dsDwarf3"/>
</Debugging>
</Linking>
</CompilerOptions>
<Debugging>
<Exceptions>
<Item>
<Name Value="EAbort"/>
</Item>
<Item>
<Name Value="ECodetoolError"/>
</Item>
<Item>
<Name Value="EFOpenError"/>
</Item>
</Exceptions>
</Debugging>
</CONFIG>

128
components/fpspreadsheet/examples/other/chart/linechart_write_demo.lpr Normal file
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@ -0,0 +1,128 @@
program linechart_write_demo;
{.$DEFINE DARK_MODE}
uses
SysUtils,
fpspreadsheet, fpstypes, fpsUtils, fpschart, xlsxooxml, fpsopendocument;
procedure WriteHelp;
begin
WriteLn('SYNTAX: linechart_write_demo [rotated] [normal|stacked|percent-stacked] ');
WriteLn(' (no argument) ..... normal orientation (x horizontal)');
WriteLn(' rotated ........... axes rotated (x vertical)');
WriteLn(' normal ............ back-to-bottom areas (default)');
WriteLn(' stacked ........... stacked areas');
WriteLn(' percent-stacked ... stacked by percentage');
Halt;
end;
const
FILE_NAME = 'line';
var
book: TsWorkbook;
sheet: TsWorksheet;
ch: TsChart;
ser: TsLineSeries;
dir, fn: String;
stackMode: TsChartStackMode = csmDefault;
rotated: Boolean = false;
i: Integer;
begin
fn := FILE_NAME;
for i := 1 to ParamCount do
case lowercase(ParamStr(i)) of
'rotated':
rotated := true;
'normal' ,'default':
stackMode := csmDefault;
'stacked':
stackMode := csmStacked;
'percent-stacked', 'stacked-percent', 'percentstacked', 'stackedpercent', 'percent', 'percentage':
stackMode := csmStackedPercentage;
else
WriteHelp;
end;
if rotated then
fn := fn + '-rotated';
case stackMode of
csmDefault: ;
csmStacked: fn := fn + '-stacked';
csmStackedPercentage: fn := fn + '-stackedpercent';
end;
dir := ExtractFilePath(ParamStr(0)) + 'files/';
ForceDirectories(dir);
book := TsWorkbook.Create;
try
// worksheet
sheet := book.AddWorksheet('line_series');
// Enter data
sheet.WriteText( 0, 0, 'School Grades');
sheet.WriteFont( 0, 0, '', 12, [fssBold], scBlack);
sheet.WriteText( 2, 0, ''); sheet.WriteText ( 2, 1, 'Student 1'); sheet.WriteText ( 2, 2, 'Student 2');
sheet.WriteText( 3, 0, 'Biology'); sheet.WriteNumber( 3, 1, 12); sheet.WriteNumber( 3, 2, 15);
sheet.WriteText( 4, 0, 'History'); sheet.WriteNumber( 4, 1, 11); sheet.WriteNumber( 4, 2, 13);
sheet.WriteText( 5, 0, 'French'); sheet.WriteNumber( 5, 1, 16); sheet.WriteNumber( 5, 2, 11);
sheet.WriteText( 6, 0, 'English'); sheet.WriteNumber( 6, 1, 18); sheet.WriteNumber( 6, 2, 11);
sheet.WriteText( 7, 0, 'Sports'); sheet.WriteNumber( 7, 1, 16); sheet.WriteNumber( 7, 2, 7);
sheet.WriteText( 8, 0, 'Maths'); sheet.WriteNumber( 8, 1, 10); sheet.WriteNumber( 8, 2, 17);
sheet.WriteText( 9, 0, 'Physics'); sheet.WriteNumber( 9, 1, 12); sheet.WriteNumber( 9, 2, 19);
sheet.WriteText(10, 0, 'Computer'); sheet.WriteNumber(10, 1, 16); sheet.WriteNumber(10, 2, 18);
// Create chart: left/top in cell D4, 160 mm x 100 mm
ch := book.AddChart(sheet, 2, 3, 160, 100);
// Chart properties
ch.Border.Style := clsNoLine;
ch.Title.Caption := 'School Grades';
ch.Title.Font.Style := [fssBold];
ch.Title.Font.Color := scBlue;
ch.Legend.Border.Style := clsNoLine;
ch.XAxis.Title.Caption := '';
ch.YAxis.Title.Caption := 'Grade points';
ch.YAxis.AxisLine.Color := scSilver;
ch.YAxis.MajorTicks := [];
ch.RotatedAxes := rotated;
ch.StackMode := stackMode;
// Add 1st line series ("Student 1")
ser := TsLineSeries.Create(ch);
ser.SetTitleAddr(2, 1); // series 1 title in cell B3
ser.SetLabelRange(3, 0, 10, 0); // series 1 x labels in A4:A11
ser.SetYRange(3, 1, 10, 1); // series 1 y values in B4:B11
ser.Line.Color := scRed;
ser.ShowSymbols := true;
ser.SymbolFill.Color := scRed;
ser.SymbolFill.Style := cfsSolid;
ser.SymbolBorder.Color := scBlack;
ser.Smooth := true;
// ser.GroupIndex := -1;
// Add 2nd line series ("Student 2")
ser := TsLineSeries.Create(ch);
ser.SetTitleAddr(2, 2); // series 2 title in cell C3
ser.SetLabelRange(3, 0, 10, 0); // series 2 x labels in A4:A11
ser.SetYRange(3, 2, 10, 2); // series 2 y values in C4:C11
ser.Line.Color := scBlue;
ser.SymbolFill.Color := scBlue;
ser.SymbolFill.Style := cfsSolid;
ser.SymbolBorder.Color := scBlack;
//ser.Smooth := true;
ser.ShowSymbols := true;
// ser.GroupIndex := -1;
book.WriteToFile(dir + fn + '.xlsx', true);
WriteLn('... ', fn + '.xlsx');
book.WriteToFile(dir + fn + '.ods', true);
WriteLn('... ', fn + '.ods');
finally
book.Free;
end;
end.

10
components/fpspreadsheet/examples/other/chart/run_write_demos.bat
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@ -20,13 +20,21 @@ barchart_write_demo horiz stacked
barchart_write_demo vert percentage
barchart_write_demo horiz percentage
echo.
echoe BAR SERIES WITH TWO AXES
echo BAR SERIES WITH TWO AXES
barchart_2axes_write_demo
barchart_2axes_write_demo rotated
echo.
echo BUBBLE SERIES
bubblechart_write_demo
echo.
echo LINE SERIES
linechart_write_demo
linechart_write_demo stacked
linechart_write_demo percentage
linechart_write_demo rotated
linechart_write_demo stacked rotated
linechart_write_demo percentage rotated
echo.
echo PIE SERIES
piechart_write_demo
piechart_write_demo ring

5
components/fpspreadsheet/examples/other/chart/write_demos.lpg
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@ -22,6 +22,11 @@
<Mode Name="Default"/>
</BuildModes>
</Target>
<Target FileName="linechart_write_demo.lpi">
<BuildModes>
<Mode Name="Default"/>
</BuildModes>
</Target>
<Target FileName="piechart_write_demo.lpi">
<BuildModes>
<Mode Name="Default"/>

46
components/fpspreadsheet/source/common/fpschart.pas
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@ -177,6 +177,7 @@ type
TsChartFillStyle = (cfsNoFill, cfsSolid, cfsGradient, cfsHatched, cfsSolidHatched, cfsImage);
TsChartFill = class
public
Style: TsChartFillStyle;
Color: TsColor;
Gradient: Integer; // Index into chart's Gradients list
@ -621,8 +622,15 @@ type
cssDash, cssDot
);
TsChartInterpolation = (
ciLinear,
ciCubicSpline, ciBSpline,
ciStepStart, ciStepEnd, ciStepCenterX, ciStepCenterY
);
TsCustomLineSeries = class(TsChartSeries)
private
FInterpolation: TsChartInterpolation;
FSymbol: TsChartSeriesSymbol;
FSymbolHeight: Double; // in mm
FSymbolWidth: Double; // in mm
@ -630,7 +638,11 @@ type
FShowSymbols: Boolean;
FSymbolBorder: TsChartLine;
FSymbolFill: TsChartFill;
function GetSmooth: Boolean;
procedure SetSmooth(AValue: Boolean);
protected
property Interpolation: TsChartInterpolation read FInterpolation write FInterpolation;
property Smooth: Boolean read GetSmooth write SetSmooth;
property Symbol: TsChartSeriesSymbol read FSymbol write FSymbol;
property SymbolBorder: TsChartLine read FSymbolBorder write FSymbolBorder;
property SymbolFill: TsChartFill read FSymbolFill write FSymbolFill;
@ -645,6 +657,9 @@ type
TsLineSeries = class(TsCustomLineSeries)
public
constructor Create(AChart: TsChart); override;
property Interpolation;
property Smooth;
property Symbol;
property SymbolBorder;
property SymbolFill;
@ -691,6 +706,8 @@ type
TsScatterSeries = class(TsCustomScatterSeries)
public
property Interpolation;
property Smooth;
property Symbol;
property SymbolBorder;
property SymbolFill;
@ -761,11 +778,6 @@ type
end;
TsChartStackMode = (csmDefault, csmStacked, csmStackedPercentage);
TsChartInterpolation = (
ciLinear,
ciCubicSpline, ciBSpline,
ciStepStart, ciStepEnd, ciStepCenterX, ciStepCenterY
);
TsChart = class(TsChartFillElement)
private
@ -2550,6 +2562,30 @@ begin
inherited;
end;
function TsCustomLineSeries.GetSmooth: Boolean;
begin
Result := FInterpolation in [ciBSpline, ciCubicSpline];
end;
procedure TsCustomLineSeries.SetSmooth(AValue: Boolean);
begin
if AValue then
begin
if not (FInterpolation in [ciBSpline, ciCubicSpline]) then
FInterpolation := ciCubicSpline;
end else
begin
if (FInterpolation in [ciBSpline, ciCubicSpline]) then
FInterpolation := ciLinear;
end;
end;
{ TsLineSeries }
constructor TsLineSeries.Create(AChart: TsChart);
begin
inherited Create(AChart);
FGroupIndex := 0;
end;
{ TsPieSeries }
constructor TsPieSeries.Create(AChart: TsChart);

33
components/fpspreadsheet/source/common/fpsopendocumentchart.pas
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@ -173,7 +173,10 @@ uses
type
TAxisKind = 3..6;
TsOpenedCustomLineSeries = class(TsCustomLineSeries);
TsOpenedCustomLineSeries = class(TsCustomLineSeries)
public
property Interpolation;
end;
TsOpenedTrendlineSeries = class(TsChartSeries)
public
@ -2603,6 +2606,7 @@ function TsSpreadOpenDocChartWriter.GetChartPlotAreaStyleAsXML(AChart: TsChart;
AIndent, AStyleID: Integer): String;
var
indent: String;
interpolation: TsChartInterpolation;
interpolationStr: String = '';
verticalStr: String = '';
stackModeStr: String = '';
@ -2625,15 +2629,24 @@ begin
if (AChart.Series.Count > 0) and (AChart.Series[0] is TsPieSeries) then
startAngleStr := Format('chart:angle-offset="%d" ', [TsPieSeries(AChart.Series[0]).StartAngle]);
case AChart.Interpolation of
ciLinear: ;
ciCubicSpline: interpolationStr := 'chart:interpolation="cubic-spline" ';
ciBSpline: interpolationStr := 'chart:interpolation="b-spline" ';
ciStepStart: interpolationStr := 'chart:interpolation="step-start" ';
ciStepEnd: interpolationStr := 'chart:interpolation="step-end" ';
ciStepCenterX: interpolationStr := 'chart:interpolation="step-center-x" ';
ciStepCenterY: interpolationStr := 'chart:interpolation="step-center-y" ';
end;
// In FPSpreadsheet individual series can be "smooth", in Calc only all.
// As a compromise, when we find at least one smooth series, all series are
// treated as such by writing the "chart:interpolation" attribute
for i := 0 to AChart.Series.Count-1 do
if AChart.Series[i] is TsCustomLineSeries then
begin
interpolation := TsOpenedCustomLineSeries(AChart.Series[i]).Interpolation;
case interpolation of
ciLinear: Continue;
ciCubicSpline: interpolationStr := 'chart:interpolation="cubic-spline" ';
ciBSpline: interpolationStr := 'chart:interpolation="b-spline" ';
ciStepStart: interpolationStr := 'chart:interpolation="step-start" ';
ciStepEnd: interpolationStr := 'chart:interpolation="step-end" ';
ciStepCenterX: interpolationStr := 'chart:interpolation="step-center-x" ';
ciStepCenterY: interpolationStr := 'chart:interpolation="step-center-y" ';
end;
break;
end;
if not (AChart.GetChartType in [ctRadar, ctFilledRadar, ctPie]) then
rightAngledAxes := 'chart:right-angled-axes="true" ';

175
components/fpspreadsheet/source/common/xlsxooxmlchart.pas
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@ -114,6 +114,7 @@ type
procedure WriteAreaSeries(AStream: TStream; AIndent: Integer; ASeries: TsAreaSeries; ASeriesIndex, APosInAxisGroup: Integer);
procedure WriteBarSeries(AStream: TStream; AIndent: Integer; ASeries: TsBarSeries; ASeriesIndex, APosInAxisGroup: Integer);
procedure WriteBubbleSeries(AStream: TStream; AIndent: Integer; ASeries: TsBubbleSeries; ASeriesIndex, APosInAxisGroup: Integer);
procedure WriteLineSeries(AStream: TStream; AIndent: Integer; ASeries: TsLineSeries; ASeriesIndex, APosInAxisGroup: Integer);
procedure WritePieSeries(AStream: TStream; AIndent: Integer; ASeries: TsPieSeries; ASeriesIndex: Integer);
procedure WriteRadarSeries(AStream: TStream; AIndent: Integer; ASeries: TsRadarSeries; ASeriesIndex: Integer);
procedure WriteScatterSeries(AStream: TStream; AIndent: Integer; ASeries: TsScatterSeries; ASeriesIndex, APosInAxisGroup: Integer);
@ -1280,6 +1281,7 @@ begin
while Assigned(ANode) do
begin
nodeName := ANode.NodeName;
s := GetAttrValue(ANode, 'val');
case nodeName of
'c:ser':
begin
@ -1287,19 +1289,14 @@ begin
ReadChartSeriesProps(ANode.FirstChild, ser);
end;
'c:grouping':
begin
s := GetAttrValue(ANode, 'val');
case s of
'stacked': AChart.StackMode := csmStacked;
'percentStacked': AChart.StackMode := csmStackedPercentage;
end;
case s of
'stacked': AChart.StackMode := csmStacked;
'percentStacked': AChart.StackMode := csmStackedPercentage;
end;
'c:varyColors':
;
'c:dLbls':
;
'c:gapWidth':
;
{
'c:axId':
ReadChartSeriesAxis(ANode, ser);
@ -1481,14 +1478,6 @@ begin
1: ReadChartAxis(workNode.FirstChild, AChart, AChart.X2Axis, FX2AxisID, FX2AxisDelete);
end;
inc(catAxCounter);
{
if (AChart.X2Axis.Alignment = AChart.XAxis.Alignment) and FX2AxisDelete then
begin
// Force using only a single x axis in this case
FX2AxisID := FXAxisID;
AChart.X2Axis.Visible := false;
end;
}
end;
'c:dateAx':
begin
@ -1503,14 +1492,6 @@ begin
end;
end;
inc(dateAxCounter);
{
if (dateAxCounter > 1) and (AChart.X2Axis.Alignment = AChart.XAxis.Alignment) and FX2AxisDelete then
begin
// Force using only a single x axis in this case.
FX2AxisID := FXAxisID;
AChart.X2Axis.Visible := false;
end;
}
end;
'c:valAx':
begin
@ -1527,14 +1508,6 @@ begin
2: ReadChartAxis(workNode.FirstChild, AChart, AChart.Y2Axis, FY2AxisID, FY2AxisDelete);
3: ReadChartAxis(workNode.FirstChild, AChart, AChart.X2Axis, FX2AxisID, FX2AxisDelete);
end;
{
if (AChart.X2Axis.Alignment = AChart.XAxis.Alignment) and FX2AxisDelete then
begin
// Force using only a single x axis in this case.
FX2AxisID := FXAxisID;
AChart.X2Axis.Visible := false;
end;
}
end else
begin
case valAxCounter of
@ -1665,6 +1638,7 @@ var
nodeName: String;
s: String;
ser: TsScatterSeries;
smooth: Boolean = false;
begin
if ANode = nil then
exit;
@ -1681,9 +1655,10 @@ begin
begin
s := GetAttrValue(ANode, 'val');
if (s = 'smoothMarker') then
AChart.Interpolation := ciCubicSpline;
smooth := true;
end;
'c:varyColors': ;
'c:varyColors':
;
'c:dLbls':
;
'c:axId':
@ -1691,6 +1666,8 @@ begin
end;
ANode := ANode.NextSibling;
end;
ser.Smooth := smooth;
end;
{@@ ----------------------------------------------------------------------------
@ -1971,6 +1948,7 @@ var
nodeName, s: String;
n: Integer;
idx: Integer;
smooth: Boolean = false;
begin
if ANode = nil then
exit;
@ -2011,6 +1989,8 @@ begin
ReadChartSeriesTrendLine(ANode.FirstChild, ASeries);
'c:errBars':
ReadChartSeriesErrorBars(ANode.FirstChild, ASeries);
'c:smooth':
smooth := (s <> '0');
'c:invertIfNegative':
;
'c:extLst':
@ -2018,6 +1998,9 @@ begin
end;
ANode := ANode.NextSibling;
end;
if ASeries is TsCustomLineSeries then
TsOpenedCustomLineSeries(ASeries).Smooth := smooth;
end;
{@@ ----------------------------------------------------------------------------
@ -4028,25 +4011,28 @@ begin
chart := ASeries.Chart;
ser := TsOpenedCustomLineSeries(ASeries);
if ser.ShowSymbols then
case ser.Symbol of
cssRect: markerStr := 'square';
cssDiamond: markerStr := 'diamond';
cssTriangle: markerStr := 'triangle';
cssTriangleDown: markerStr := 'triangle'; // !!!!
cssTriangleLeft: markerStr := 'triangle'; // !!!!
cssTriangleRight: markerStr := 'triangle'; // !!!!
cssCircle: markerStr := 'circle';
cssStar: markerStr := 'star';
cssX: markerstr := 'x';
cssPlus: markerStr := '+';
cssAsterisk: markerStr := 'star'; // !!!
cssDash: markerStr := 'dash';
cssDot: markerStr := 'dot';
else markerStr := 'star'; // !!!
end // The symbols marked by !!! are not available in Excel
else
markerStr := 'none';
if not ser.ShowSymbols then
begin
Result := indent + '<c:symbol val="none"/>';
exit;
end;
case ser.Symbol of
cssRect: markerStr := 'square';
cssDiamond: markerStr := 'diamond';
cssTriangle: markerStr := 'triangle';
cssTriangleDown: markerStr := 'triangle'; // !!!!
cssTriangleLeft: markerStr := 'triangle'; // !!!!
cssTriangleRight: markerStr := 'triangle'; // !!!!
cssCircle: markerStr := 'circle';
cssStar: markerStr := 'star';
cssX: markerstr := 'x';
cssPlus: markerStr := '+';
cssAsterisk: markerStr := 'star'; // !!!
cssDash: markerStr := 'dash';
cssDot: markerStr := 'dot';
else markerStr := 'star'; // !!!
end; // The symbols marked by !!! are not available in Excel
symbolSizePts := round(mmToPts((ser.SymbolWidth + ser.SymbolHeight)/2));
if symbolSizePts > 72 then symbolSizePts := 72;
@ -4190,6 +4176,8 @@ begin
WriteBubbleSeries(AStream, AIndent + 2, TsBubbleSeries(ser), j, posInGroup);
xAxKind := 'c:valAx';
end;
ctLine:
WriteLineSeries(AStream, AIndent + 2, TsLineSeries(ser), j, posInGroup);
ctPie, ctRing:
WritePieSeries(AStream, AIndent + 2, TsPieSeries(ser), j);
ctRadar, ctFilledRadar:
@ -4573,12 +4561,11 @@ begin
indent + ' </c:spPr>' + LE
);
end;
if TsOpenedCustomLineSeries(ASeries).ShowSymbols then
AppendToStream(AStream,
indent + ' <c:marker>' + LE +
GetChartSeriesMarkerXML(AIndent + 4, TsOpenedCustomLineSeries(ASeries)) + LE +
indent + ' </c:marker>' + LE
);
AppendToStream(AStream,
indent + ' <c:marker>' + LE +
GetChartSeriesMarkerXML(AIndent + 4, TsOpenedCustomLineSeries(ASeries)) + LE +
indent + ' </c:marker>' + LE
);
end else
// Series main formatting
AppendToStream(AStream,
@ -4629,9 +4616,9 @@ begin
[ yValName ]
));
// Bubble series: Bubble size range
if (ASeries is TsBubbleSeries) then
begin
// Bubble size range
AppendToStream(AStream,
indent + '<c:bubbleSize>' + LE +
indent + GetChartRangeXML(AIndent + 4, TsBubbleSeries(ASeries).BubbleRange, 'c:numRef') + LE +
@ -4639,6 +4626,13 @@ begin
);
end;
// Line series: Interpolation
if ASeries is TsLineSeries then
if TsLineSeries(ASeries).Interpolation in [ciLinear, ciStepStart, ciStepEnd, ciStepCenterX, ciStepCenterY] then
AppendToStream(AStream,
indent + ' <c:smooth val="0"/>' + LE
);
AppendToStream(AStream,
indent + '</c:ser>' + LE
);
@ -4734,6 +4728,67 @@ begin
);
end;
{@@ ----------------------------------------------------------------------------
Writes the properties of the given line series to the <c:plotArea> node of
file chartN.xml
-------------------------------------------------------------------------------}
procedure TsSpreadOOXMLChartWriter.WriteLineSeries(AStream: TStream;
AIndent: Integer; ASeries: TsLineSeries; ASeriesIndex, APosInAxisGroup: Integer);
const
GROUPING: Array[TsChartStackMode] of string = ('standard', 'stacked', 'percentStacked');
var
indent: String;
chart: TsChart;
xAxis: TsChartAxis;
isFirstOfGroup: Boolean;
isLastOfGroup: Boolean;
prevSeriesGroupIndex: Integer = -1;
nextSeriesGroupIndex: Integer = -1;
begin
indent := DupeString(' ', AIndent);
chart := ASeries.Chart;
if (ASeriesIndex > 0) and (chart.Series[ASeriesIndex-1].YAxis = ASeries.YAxis) then
prevSeriesGroupIndex := chart.Series[ASeriesIndex-1].GroupIndex;
if (ASeriesIndex < chart.Series.Count-1) and (chart.Series[ASeriesIndex+1].YAxis = ASeries.YAxis) then
nextSeriesGroupIndex := chart.Series[ASeriesIndex+1].GroupIndex;
isFirstOfGroup := APosInAxisGroup and 1 = 1;
isLastOfGroup := APosInAxisgroup and 2 = 2;
if ((ASeries.GroupIndex > -1) and (prevSeriesGroupIndex = ASeries.GroupIndex)) then
isFirstOfGroup := false;
if ((ASeries.GroupIndex > -1) and (nextSeriesGroupIndex = ASeries.GroupIndex)) then
isLastOfGroup := false;
if isFirstOfGroup then
AppendToStream(AStream, Format(
indent + '<c:lineChart>' + LE +
indent + ' <c:grouping val="%s"/>' + LE,
[ GROUPING[chart.StackMode] ]
));
WriteChartSeriesNode(AStream, AIndent + 2, ASeries, ASeriesIndex);
if isLastOfGroup then
begin
if ASeries.YAxis = calPrimary then
xAxis := chart.XAxis
else
xAxis := chart.X2Axis;
AppendToStream(AStream, Format(
indent + ' <c:axId val="%d"/>' + LE +
indent + ' <c:axId val="%d"/>' + LE +
indent + '</c:lineChart>' + LE,
[
FAxisID[xAxis.Alignment], // <c:axId>
FAxisID[ASeries.GetYAxis.Alignment] // <c:axId>
]
));
end;
end;
{$ENDIF}
end.

41
components/fpspreadsheet/source/visual/fpspreadsheetchart.pas
View File

@ -19,7 +19,7 @@ interface
{$ifdef FPS_CHARTS}
uses
uses lazloggerbase,
// RTL/FCL
Classes, Contnrs, SysUtils, Types, FPCanvas,
// LCL
@ -1079,7 +1079,6 @@ procedure TsWorkbookChartSource.UseDataPointColors(ASeries: TsChartSeries);
var
datapointStyle: TsChartDataPointStyle;
style: TChartStyle;
i, j: Integer;
c: TsColor;
g: TsChartGradient;
@ -1187,6 +1186,7 @@ var
firstSeries: TChartSeries;
ch: TsChart;
src: TsWorkbookChartSource;
interpolation: TsChartInterpolation = ciLinear;
calcSrc: TCalculatedChartSource;
style: TChartStyle;
axAlign: TChartAxisAlignment;
@ -1246,6 +1246,14 @@ begin
src := TsWorkbookChartSource.Create(self);
src.WorkbookSource := FWorkbookSource;
if (ASeries is TsCustomLineSeries) then
begin
interpolation := TsOpenedCustomLineSeries(ASeries).Interpolation;
// TAChart cannot stack spline series.
if (interpolation in [ciBSpline, ciCubicSpline]) and (ch.StackMode <> csmDefault) then
interpolation := ciLinear;
end;
case ASeries.ChartType of
ctBar:
begin
@ -1253,11 +1261,11 @@ begin
src.IntegerX := true;
end;
ctLine, ctScatter:
case ch.Interpolation of
case interpolation of
ciLinear, ciStepStart, ciStepEnd, ciStepCenterX, ciStepCenterY:
begin
Result := TLineSeries.Create(FChart);
case ch.Interpolation of
case interpolation of
ciLinear: TLineSeries(Result).LineType := ltFromPrevious;
ciStepStart: TLineSeries(Result).LineType := ltStepXY;
ciStepEnd: TLineSeries(Result).LineType := ltStepYX;
@ -1890,26 +1898,33 @@ end;
function TsWorkbookChartLink.IsStackable(ASeries: TsChartSeries): Boolean;
var
ch: TsChart;
ser: TsChartSeries;
i, numSeries: Integer;
begin
Result := (ASeries.ChartType in [ctBar, ctLine, ctArea]);
Result := (ASeries.ChartType in [ctBar, ctLine, ctArea]) and (ASeries.GroupIndex > -1);
if Result then
begin
ch := ASeries.Chart;
numSeries := ch.Series.Count;
if numSeries = 1 then
begin
Result := false;
exit;
end;
// Check whether all series are the same type and same y axis as ASeries.
// NOTE: Not perfect yet since there might abe two stackable groups,
// one for the left and one for the right axis...
for i := 0 to numSeries - 1 do
if (ch.Series[i].ChartType <> ASeries.ChartType) or
(ch.Series[i].YAxis <> ASeries.YAxis) then
begin
ser := ch.Series[i];
if (ser.ChartType <> ASeries.ChartType) or (ser.GroupIndex <> ASeries.GroupIndex) or
(ser.YAxis <> ASeries.YAxis) then
begin
Result := false;
exit;
end;
end;
end;
end;
@ -2661,10 +2676,15 @@ procedure TsWorkbookChartLink.UpdateChartStyle(AWorkbookSeries: TsChartSeries;
AStyleIndex: Integer);
var
style: TChartStyle;
ch: TsChart;
begin
ch := AWorkbookSeries.Chart;
style := TChartStyle(FChartStyles.Styles[AStyleIndex]);
UpdateChartPen(AWorkbookSeries.Chart, AWorkbookSeries.Line, style.Pen);
UpdateChartBrush(AWorkbookSeries.Chart, AWorkbookSeries.Fill, style.Brush);
UpdateChartPen(ch, AWorkbookSeries.Line, style.Pen);
if (AWorkbookSeries is TsCustomLineSeries) then
UpdateChartBrush(ch, TsOpenedCustomLineSeries(AWorkbookSeries).SymbolFill, style.Brush)
else
UpdateChartBrush(ch, AWorkbookSeries.Fill, style.Brush);
end;
{@@ Updates title and footer of the linked TAChart.
@ -2731,6 +2751,9 @@ begin
seriesPointer.HorizSize := mmToPx(openedWorkbookSeries.SymbolWidth / 2, ppi);
seriesPointer.VertSize := mmToPx(openedWorkbookSeries.SymbolHeight / 2, ppi);
if lineseries <> nil then
DebugLn([BoolToStr(lineseries.ShowPoints, true), ' ', intTostr(ord(lineseries.pointer.Style)), ' ', inttostr(ord(lineseries.pointer.brush.style))]);
// Error bars
UpdateChartErrorBars(AWorkbookSeries, AChartSeries);