PPC. Bug in print gradient - set volume to middle offset brush during printing

Related Work Items: #7440

1 files changed, 52 insertions, 4 deletions

diff --git a/Software/Visual_Studio/Tango.Integration/Operation/DefaultGradientGenerationConfiguration.cs b/Software/Visual_Studio/Tango.Integration/Operation/DefaultGradientGenerationConfiguration.cs
index ef275479b..9b4dbb852 100644
--- a/Software/Visual_Studio/Tango.Integration/Operation/DefaultGradientGenerationConfiguration.cs
+++ b/Software/Visual_Studio/Tango.Integration/Operation/DefaultGradientGenerationConfiguration.cs
@@ -89,7 +89,7 @@ namespace Tango.Integration.Operation
 
             IColorConverter converter = new DefaultColorConverter();
 
-            var clonedStops = segment.BrushStops.ToList().Select(x => x.Clone(segment)).ToList();
+            var clonedStops = segment.BrushStops.ToList().Select(x => x.Clone(segment)).OrderBy(x => x.StopIndex).ToList();
 
             foreach (var stop in clonedStops)
             {
@@ -105,8 +105,44 @@ namespace Tango.Integration.Operation
                     var output = converter.Convert(stop, false);
                     output.ApplyOnBrushStop(stop, processParameters);
                 }
-            }
+                if ((stop.BrushColorSpace == ColorSpaces.Volume || stop.BrushColorSpace == ColorSpaces.Catalog) && job.Version >= 2 && clonedStops.Count == 5)
+                {
+                    var firstStop = clonedStops.FirstOrDefault(x => x.StopIndex == 1);
+                    var lastStop = clonedStops.FirstOrDefault(x => x.StopIndex == 5);
+                    CMYK cmykfirst = GetCMYK(firstStop);
+                    cmykfirst.OffsetPercent /= 100d;
+                    CMYK cmyklast = GetCMYK(lastStop);
+                    cmyklast.OffsetPercent /= 100d;
 
+                    //set middle offset color
+                    var middleOffsetStop = clonedStops.FirstOrDefault(x => x.StopIndex == 3);
+                    if (middleOffsetStop != null)
+                    {
+                        CMYK cmykmiddle = GetRelativeCMYK(cmykfirst, cmyklast, middleOffsetStop.OffsetPercent / 100d);
+                        middleOffsetStop.SetVolume(LiquidTypes.Cyan, cmykmiddle.C);
+                        middleOffsetStop.SetVolume(LiquidTypes.Magenta, cmykmiddle.M);
+                        middleOffsetStop.SetVolume(LiquidTypes.Yellow, cmykmiddle.Y);
+                        middleOffsetStop.SetVolume(LiquidTypes.Black, cmykmiddle.K);
+                    }
+                    var firstOffsetStop = clonedStops.FirstOrDefault(x => x.StopIndex == 2);
+                    if (firstOffsetStop != null)
+                    {
+                        firstOffsetStop.SetVolume(LiquidTypes.Cyan, cmykfirst.C);
+                        firstOffsetStop.SetVolume(LiquidTypes.Magenta, cmykfirst.M);
+                        firstOffsetStop.SetVolume(LiquidTypes.Yellow, cmykfirst.Y);
+                        firstOffsetStop.SetVolume(LiquidTypes.Black, cmykfirst.K);
+                    }
+                    var secondOffsetStop = clonedStops.FirstOrDefault(x => x.StopIndex == 4);
+                    if (secondOffsetStop != null)
+                    {
+                        secondOffsetStop.SetVolume(LiquidTypes.Cyan, cmyklast.C);
+                        secondOffsetStop.SetVolume(LiquidTypes.Magenta, cmyklast.M);
+                        secondOffsetStop.SetVolume(LiquidTypes.Yellow, cmyklast.Y);
+                        secondOffsetStop.SetVolume(LiquidTypes.Black, cmyklast.K);
+                    }
+                }
+            }
+        
             var refStop = clonedStops.First().Clone(segment);
 
             decimal segment_length = (decimal)segment.Length;
@@ -154,6 +190,18 @@ namespace Tango.Integration.Operation
             return stops;
         }
 
+        private CMYK GetRelativeCMYK(CMYK first, CMYK last, double offset)
+        {
+            CMYK cmyk = new CMYK();
+
+            cmyk.C = (float)((offset - first.OffsetPercent) * (last.C - first.C) / (last.OffsetPercent - first.OffsetPercent) + first.C);
+            cmyk.M = (float)((offset - first.OffsetPercent) * (last.M - first.M) / (last.OffsetPercent - first.OffsetPercent) + first.M);
+            cmyk.Y = (float)((offset - first.OffsetPercent) * (last.Y - first.Y) / (last.OffsetPercent - first.OffsetPercent) + first.Y);
+            cmyk.K = (float)((offset - first.OffsetPercent) * (last.K - first.K) / (last.OffsetPercent - first.OffsetPercent) + first.K);
+
+            return cmyk;
+        }
+        
         private CMYK GetRelativeCMYK(List<BrushStop> brushStopsCollection, double offset)
         {
             BrushStop refStop = brushStopsCollection.First().Clone();
@@ -167,7 +215,7 @@ namespace Tango.Integration.Operation
             if (stop != null) return stop;
 
             CMYK before = cmykCollection.Where(w => w.OffsetPercent == cmykCollection.Min(m => m.OffsetPercent)).First();
-            CMYK after = cmykCollection.Where(w => w.OffsetPercent == cmykCollection.Max(m => m.OffsetPercent)).First();
+            CMYK after = cmykCollection.Where(w => w.OffsetPercent == cmykCollection.Max(m => m.OffsetPercent)).Last();
 
             foreach (var gs in cmykCollection)
             {
@@ -216,7 +264,7 @@ namespace Tango.Integration.Operation
             if (point != null) return point.Color;
 
             BrushStop before = brushStopsCollection.Where(w => w.OffsetPercent == brushStopsCollection.Min(m => m.OffsetPercent)).First();
-            BrushStop after = brushStopsCollection.Where(w => w.OffsetPercent == brushStopsCollection.Max(m => m.OffsetPercent)).First();
+            BrushStop after = brushStopsCollection.Where(w => w.OffsetPercent == brushStopsCollection.Max(m => m.OffsetPercent)).Last();
 
             foreach (var gs in brushStopsCollection)
             {