adding error checking

Author: martinfjohansen

CS/Example1.cs

@@ -1,11 +1,12 @@
 using static pbPlots;
 using static SupportLib;
+using System;
 
 public class Example1{
 
 	public static void Main(){
 	    bool success;
-	    StringReference errorMessage = new StringReference;
+	    StringReference errorMessage = new StringReference();
 		RGBABitmapImageReference imageReference = CreateRGBABitmapImageReference();
 
 		double [] xs = {-2, -1, 0, 1, 2};
@@ -17,7 +18,7 @@ public static void Main(){
             WriteToFile(pngdata, "example1.png");
             DeleteImage(imageReference.image);
 		}else{
-		    Console.Error(errorMessage.string);
+		    Console.Error.WriteLine(errorMessage.stringx);
 		}
 	}
 }

CS/Example2.cs

@@ -1,12 +1,13 @@
 using static pbPlots;
 using static SupportLib;
+using System;
 
 public class Example2{
 
 	public static void Main2(){
-	    boolean success;
+	    bool success;
 		RGBABitmapImageReference imageReference = CreateRGBABitmapImageReference();
-        StringReference errorMessage = new StringReference;
+        StringReference errorMessage = new StringReference();
 
 		ScatterPlotSeries series = GetDefaultScatterPlotSeriesSettings();
 		series.xs = new double [] {-2, -1, 0, 1, 2};
@@ -33,7 +34,7 @@ public static void Main2(){
             WriteToFile(pngdata, "example2.png");
             DeleteImage(imageReference.image);
 		}else{
-            Console.Error(errorMessage.string);
+            Console.Error.WriteLine(errorMessage.stringx);
         }
 	}
 }

CS/pbPlots.cs

@@ -171,7 +171,7 @@ public class DynamicArrayNumbers{
 	public double [] array;
 	public double length;
 }
-public class Plots{
+public class pbPlots{
 	public static bool CropLineWithinBoundary(NumberReference x1Ref, NumberReference y1Ref, NumberReference x2Ref, NumberReference y2Ref, double xMin, double xMax, double yMin, double yMax){
 		double x1, y1, x2, y2;
 		bool success, p1In, p2In;

JavaScript/example1.js

@@ -8,8 +8,13 @@ var imageReference = CreateRGBABitmapImageReference();
 var xs = [-2, -1, 0, 1, 2];
 var ys = [2, -1, -2, -1, 2];
 
-DrawScatterPlot(imageReference, 800, 600, xs, ys);
+var errorMessage = {};
+var success = DrawScatterPlot(imageReference, 800, 600, xs, ys, errorMessage);
 
-var pngdata = ConvertToPNG(imageReference.image);
-WriteToFile(pngdata, "example1.png");
-DeleteImage(imageReference.image);
+if(success){
+    var pngdata = ConvertToPNG(imageReference.image);
+    WriteToFile(pngdata, "example1.png");
+    DeleteImage(imageReference.image);
+}else{
+    console.error(errorMessage.string.join(''));
+}

JavaScript/example2.js

@@ -23,8 +23,13 @@ settings.xLabel = "X axis";
 settings.yLabel = "Y axis";
 settings.scatterPlotSeries = [series];
 
-DrawScatterPlotFromSettings(imageReference, settings);
+var errorMessage = {};
+var success = DrawScatterPlotFromSettings(imageReference, settings, errorMessage);
 
-var pngdata = ConvertToPNG(imageReference.image);
-WriteToFile(pngdata, "example2.png");
-DeleteImage(imageReference.image);
+if(success){
+    var pngdata = ConvertToPNG(imageReference.image);
+    WriteToFile(pngdata, "example2.png");
+    DeleteImage(imageReference.image);
+}else{
+    console.error(errorMessage.string.join(''));
+}