public App()
{
var tChart1 = new Steema.TeeChart.Chart();
tChart1.Series.Add(new Steema.TeeChart.Styles.Bar()).FillSampleValues();
tChart1.Aspect.View3D = false;
ChartView chartView = new ChartView
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
WidthRequest = 400,
HeightRequest = 500
};
chartView.Model = tChart1;
MainPage = new ContentPage
{
Content = new StackLayout
{
Children =
{
chartView,
}
},
};
}
private void tChart1_ClickLegend(object sender, MouseEventArgs e)
{
Steema.TeeChart.Chart myChart = (Steema.TeeChart.Chart)sender;
int idx = myChart.Legend.Clicked(e.X, e.Y);
modifySeriesAppearance(idx, e);
}
public ActionResult GetEqualizerChart(int?w, int?h)
{
lock (s_renderLock)
{
var width = (w > 0) ? (int)w : 400;
var height = (h > 0) ? (int)h : 300;
var wChart2 = new Steema.TeeChart.Chart();
Steema.TeeChart.Utils.UseCaches = false;
wChart2.Header.Text = "Equalizer Gauge";
var rpTheme = new Steema.TeeChart.Themes.BlackIsBackTheme(wChart2);
rpTheme.Apply();
wChart2.Aspect.View3D = false;
wChart2.Series.Add(new Steema.TeeChart.Styles.Equalizer());
wChart2.Series[0].FillSampleValues(40);
wChart2.Panel.Bevel.Inner = Steema.TeeChart.Drawing.BevelStyles.None;
wChart2.Panel.Bevel.Outer = Steema.TeeChart.Drawing.BevelStyles.None;
_tempStream2 = new System.IO.MemoryStream();
wChart2.Export.Image.PNG.Width = width;
wChart2.Export.Image.PNG.Height = height;
wChart2.Export.Image.PNG.Save(_tempStream2);
_tempStream2.Position = 0;
return(base.File(_tempStream2, "image/png"));
}
}
public ActionResult GetScatterChart(int?w, int?h)
{
lock (s_renderLock)
{
var width = (w > 0) ? (int)w : 400;
var height = (h > 0) ? (int)h : 300;
var wChart2 = new Steema.TeeChart.Chart();
wChart2.Series.Add(new Steema.TeeChart.Styles.Points());
wChart2.Series[0].FillSampleValues();
wChart2.Draw();
wChart2.Panel.Bevel.Inner = Steema.TeeChart.Drawing.BevelStyles.None;
wChart2.Panel.Bevel.Outer = Steema.TeeChart.Drawing.BevelStyles.None;
_tempStream2 = new System.IO.MemoryStream();
wChart2.Export.Image.PNG.Width = width;
wChart2.Export.Image.PNG.Height = height;
wChart2.Export.Image.PNG.Save(_tempStream2);
_tempStream2.Position = 0;
return(base.File(_tempStream2, "image/png"));
}
}
public ActionResult GetGanttGauge(int?w, int?h)
{
lock (s_renderLock)
{
var width = (w > 0) ? (int)w : 400;
var height = (h > 0) ? (int)h : 300;
var wChart2 = new Steema.TeeChart.Chart();
//Steema.TeeChart.Utils.UseCaches = false;
wChart2.Header.Text = "Circular Gauge";
wChart2.Aspect.View3D = false;
wChart2.Series.Add(new Steema.TeeChart.Styles.Gantt());
wChart2.Series[0].FillSampleValues(30);
wChart2.Draw();
wChart2.Panel.Bevel.Inner = Steema.TeeChart.Drawing.BevelStyles.None;
wChart2.Panel.Bevel.Outer = Steema.TeeChart.Drawing.BevelStyles.None;
_tempStream2 = new System.IO.MemoryStream();
wChart2.Export.Image.PNG.Width = width;
wChart2.Export.Image.PNG.Height = height;
wChart2.Export.Image.PNG.Save(_tempStream2);
_tempStream2.Position = 0;
return(base.File(_tempStream2, "image/png"));
}
}
public virtual void ImplementiOSMarks(Steema.TeeChart.Chart chart)
{
if (Xamarin.Forms.Device.RuntimePlatform == Xamarin.Forms.Device.iOS)
{
for (int i = 0; i < chart.Series.Count; i++)
{
chart.Series[i].Marks.AutoSize = true;
}
}
}
public void GetPieChartx()
{
lock (s_renderLock)
{
var wChart2 = new Steema.TeeChart.Chart();
wChart2.Series.Add(new Steema.TeeChart.Styles.Pie());
wChart2.Series[0].FillSampleValues();
_tempStream2 = new System.IO.MemoryStream();
wChart2.Export.Image.PNG.Save(_tempStream2);
_tempStream2.Flush();
Response.ContentType = "Image/png";
Response.Body.Write(_tempStream2.ToArray(), 0, (int)_tempStream2.Length);
_tempStream2.Close();
}
}
public ChartToolsPage(Type toolsType)
{
InitializeComponent();
Steema.TeeChart.Chart chart = new Steema.TeeChart.Chart();
ToolsGalleryDemos toolsDemos = new ToolsGalleryDemos(chart, typeof(BlackIsBackTheme));
ChartView chartView = new ChartView
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
WidthRequest = 400,
HeightRequest = 500
};
chart.Aspect.View3D = false;
chart.Panel.Bevel.Inner = BevelStyles.None;
chart.Panel.Bevel.Outer = BevelStyles.None;
chart.Panel.Gradient.Visible = false;
chart.Panel.Color = Color.White;
chart.Zoom.Active = false;
chart.Touch.Style = Steema.TeeChart.TouchStyle.InChart;
toolsDemos.CreateGallery(toolsType);
chartView.Model = chart;
Content = new StackLayout
{
Children =
{
chartView,
}
};
}
public void GetChartImage()
{
lock (s_renderLock)
{
var wChart = new Steema.TeeChart.Chart();
var xpTheme = new Steema.TeeChart.Themes.AndrosTheme(wChart);
xpTheme.Apply();
wChart.Aspect.View3D = false;
wChart.Chart.Series.Add(new Steema.TeeChart.Styles.Line());
wChart.Chart.Series[0].FillSampleValues();
_tempStream1 = new System.IO.MemoryStream();
wChart.Chart.Export.Image.PNG.Save(_tempStream1);
_tempStream1.Flush();
Response.ContentType = "Image/PNG";
Response.Body.Write(_tempStream1.ToArray(), 0, (int)_tempStream1.Length);
_tempStream1.Close();
}
}
public void GetHTML5Chart(int?type)
{
lock (s_renderLock)
{
{
var wChart3 = new Steema.TeeChart.Chart();
var customCode = new List <string>();
/*string[] customCode = new string[] {
* " chart1.applyTheme(\"minimal\");" };*/
//********* enhance view, client code ***********
var customCodeS = new string[] {
" ",
" ",
"//tooltip",
"tip=new Tee.ToolTip(chart1);",
"tip.render=\"dom\";",
"tip.autoHide=true;",
"tip.domStyle = \"padding-left:8px; padding-right:8px; padding-top:2px; padding-bottom:4px; margin-left:5px; margin-top:0px; \";",
"tip.domStyle = tip.domStyle + \"background-color:#FCFCFC; border-radius:4px 4px; color:#FFF; \";",
"tip.domStyle = tip.domStyle + \"border-style:solid;border-color:#A3A3AF;border-width:1; z-index:1000;\";",
"chart1.tools.add(tip);",
"tip.onhide=function() { scaling=0; poindex=-1; }",
"tip.ongettext=function( tool, text, series, index) { ",
" var s = '<font face=\"verdana\" color=\"black\" size=\"1\"><strong>'+ series.title+'</strong></font>';",
" s = s + '<br/><font face=\"verdana\" color=\"darkblue\" size=\"1\">Series point: <strong>'+ index.toFixed(0)+'</strong></font>';",
" s = s +'<br/><font face=\"verdana\" color=\"red\" size=\"1\">Value: '+series.data.values[index].toFixed(2)+'</font>'; ",
" return s;",
"}"
};
//********* end client code *********************
customCode.AddRange(customCodeS);
customCode.Add(wChart3.Export.Image.JScript.ChartName + ".applyTheme(\"minimal\");");
if (type == 0)
{
wChart3.Series.Add(new Steema.TeeChart.Styles.Pie());
}
else if (type == 1)
{
wChart3.Series.Add(new Steema.TeeChart.Styles.Bar());
var extFunc = new List <string>
{
"var animation;",
"var loopCounter = 0;",
"function manualLoop()",
"{",
"animation.animate(" + wChart3.Export.Image.JScript.ChartName + ");",
"loopCounter++;",
"if (loopCounter < 10)",
" setTimeout(manualLoop, 9000);",
"}"
};
wChart3.Export.Image.JScript.ExternalCode = extFunc.ToArray();
wChart3.Export.Image.JScript.SourceUnits.Add("teechart-animations.js");
customCode.Add(" //animation");
customCode.Add(" animation = new Tee.SeriesAnimation();");
customCode.Add(" animation.duration = 3900;");
customCode.Add(" animation.kind = \"each\";");
customCode.Add(" fadeAnimation = new Tee.FadeAnimation();");
customCode.Add(" fadeAnimation.duration = 5000;");
customCode.Add(" fadeAnimation.fade.series = true;");
customCode.Add(" fadeAnimation.fade.marks = true;");
customCode.Add(" animation.mode = \"linear\"; ");
customCode.Add(" fadeAnimation.mode = \"linear\";");
customCode.Add(" animation.items.push(fadeAnimation);");
customCode.Add(" ");
customCode.Add(" animation.animate(chart1);");
customCode.Add(" setTimeout(manualLoop, 6000); ");
customCode.Add(wChart3.Export.Image.JScript.ChartName + ".axes.bottom.labels.format.font.fill = \"rgba(0,0,0,0.6)\";");
customCode.Add(wChart3.Export.Image.JScript.ChartName + ".axes.bottom.labels.format.font.setSize(\"10px\");");
customCode.Add(wChart3.Export.Image.JScript.ChartName + ".series.items[0].marks.transparent = true;");
}
else
{
var line = new Steema.TeeChart.Styles.Line();
wChart3.Series.Add(line);
}
if (wChart3.Series[0] is Steema.TeeChart.Styles.Line)
{
wChart3.Series[0].FillSampleValues(100);
}
else
{
wChart3.Series[0].FillSampleValues();
}
wChart3.Export.Image.JScript.CustomCode = customCode.ToArray();
_tempStream2 = new MemoryStream();
wChart3.Export.Image.JScript.Width = 740;
wChart3.Export.Image.JScript.Height = 300;
wChart3.Export.Image.JScript.Save(_tempStream2);
_tempStream2.Position = 0;
var output = ReadFully(_tempStream2);
Response.ContentType = "text/html";
Response.Body.Write(output, 0, output.Length);
}
}
}
public IActionResult GetChartTitle()
{
var myChart = new Steema.TeeChart.Chart();
return(Content(myChart.Header.Text));
}
public void GetInterpolatedChart()
{
lock (s_renderLock)
{
{
var wChart3 = new Steema.TeeChart.Chart();
var customCode = new List <string>();
var externalCode = new List <string>();
var externalHTML = new List <string>();
var externalHTMLS = new string[] {
"<font face=\"verdana\" size=1><span id=\"xpos\"></span><br/>",
"<span id=\"yposBar\"></span></font><br>"
};
var externalCodeS = new string[] {
" ",
" var posXLabel, posYLabel;",
" ",
" function interpolateLineSeries(s, xval) {",
" var yValues=s.data.values;",
" var len=yValues.length;",
" var xValues=[];",
"",
" if (s.data.x)",
" xValues=s.data.x;",
" else {",
" for (i=0;i<len;i++)",
" xValues[i]=i;",
" }",
"",
" var index;",
" for (index=0;index<len;index++) {",
" if (xValues[index]>xval)",
" break;",
" }",
"",
" if (index<1)",
" index=1;",
" else",
" if (index>=len)",
" index=len-1;",
"",
" var dx=xValues[index] - xValues[index-1];",
" var dy=yValues[index] - yValues[index-1];",
"",
" if (dx!=0)",
" return dy*(xval - xValues[index-1])/dx + yValues[index-1];",
" else",
" return 0;",
"}",
};
var customCodeS = new string[] {
" ",
" ",
" var ypos=document.getElementById('yposBar'); ",
" for (i=0;i<3;i++) {",
" if (i>0) {",
" var br = document.createElement('br');",
" ypos.appendChild(br);",
" }",
" posYLabel=document.createElement('span');",
" posYLabel.id='ypos'+i;",
" ypos.appendChild(posYLabel);",
" }",
" ",
"//tooltip",
"tip=new Tee.ToolTip(chart1);",
"tip.render=\"dom\";",
"tip.domStyle = \"padding-left:8px; padding-right:8px; padding-top:2px; padding-bottom:4px; margin-left:5px; margin-top:0px; \";",
"tip.domStyle = tip.domStyle + \"background-color:#FCFCFC; border-radius:4px 4px; color:#FFF; \";",
"tip.domStyle = tip.domStyle + \"border-style:solid;border-color:#A3A3AF;border-width:1; z-index:1000;\";",
"chart1.tools.add(tip);",
"tip.onhide=function() { scaling=0; poindex=-1; }",
"tip.ongettext=function( tool, text, series, index) { ",
" var s = '<font face=\"verdana\" color=\"black\" size=\"1\"><strong>'+ series.title+'</strong></font>';",
" s = s + '<br/><font face=\"verdana\" color=\"darkblue\" size=\"1\">Series point: <strong>'+ index.toFixed(0)+'</strong></font>';",
" s = s +'<br/><font face=\"verdana\" color=\"red\" size=\"1\">Value: '+series.data.values[index].toFixed(2)+'</font>'; ",
" return s;",
"}",
" ",
" var t=new Tee.CursorTool(chart1); ",
" t.direction='vertical';",
" t.format.stroke.size=1;",
" t.format.stroke.fill='gray';",
" chart1.tools.add(t);",
" var xValue;",
" ",
" posXLabel=document.getElementById('xpos'); ",
" t.onchange=function(p) {",
" xValue=chart1.axes.bottom.fromPos(p.x);",
" posXLabel.textContent='X Value = '+xValue.toFixed(2);",
" for (var i=0; i<chart1.series.items.length; i++){",
" posYLabel=document.getElementById('ypos'+i);",
" posYLabel.textContent=chart1.series.items[i].title+' Y Value = '+interpolateLineSeries(chart1.series.items[i],xValue).toFixed(2);",
" }",
"",
" // changeTheme(chart1, 'minimal');",
" chart1.draw();",
" };",
"",
"chart1.ondraw=function() {",
" var xs=this.axes.bottom.calc(xValue);",
"",
" for (var i=0;i<this.series.items.length;i++) {",
" var ys=this.axes.left.calc(interpolateLineSeries(this.series.items[i],xValue));",
" var f=new Tee.Format(this);",
" f.fill=this.series.items[i].format.fill;",
" f.ellipse(xs,ys,8,8);",
" }",
" }",
" "
};
//********* end client code *********************
customCode.AddRange(customCodeS);
customCode.Add(" chart1.applyTheme(\"minimal\");");
var line1 = new Steema.TeeChart.Styles.Line();
var line2 = new Steema.TeeChart.Styles.Line();
var p3 = new Steema.TeeChart.Styles.Points();
line1.Pointer.Visible = true;
line2.Pointer.Visible = true;
p3.Pointer.Style = Steema.TeeChart.Styles.PointerStyles.Circle;
wChart3.Series.Add(line1);
wChart3.Series.Add(line2);
wChart3.Series.Add(p3);
wChart3.Legend.Visible = false;
for (var i = 0; i < 3; i++)
{
wChart3.Series[i].FillSampleValues(50);
}
wChart3.Export.Image.JScript.CustomCode = customCode.ToArray();
wChart3.Export.Image.JScript.ExternalCode = externalCodeS.ToArray();
wChart3.Export.Image.JScript.BodyHTML = externalHTMLS.ToArray();
_tempStream2 = new System.IO.MemoryStream();
wChart3.Export.Image.JScript.Width = 950;
wChart3.Export.Image.JScript.Height = 300;
wChart3.Export.Image.JScript.Save(_tempStream2);
_tempStream2.Position = 0;
var output = ReadFully(_tempStream2);
Response.ContentType = "text/html";
Response.Body.Write(output, 0, output.Length);
}
}
}
