Merge pull request #38 from datalogics-josepha/translate-sample

Fix sample code based on improved usage of Image.Translate().
datalogics · Sep 12, 2024 · a0a6af9 · a0a6af9
2 parents 69611ea + 5d5aa5c
commit a0a6af9
Showing 1 changed file with 26 additions and 12 deletions.
diff --git a/ContentModification/ExtendedGraphicStates/ExtendedGraphicStates.cs b/ContentModification/ExtendedGraphicStates/ExtendedGraphicStates.cs
@@ -1,7 +1,5 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
 using Datalogics.PDFL;
+using System;
 
 /*
  * 
@@ -12,7 +10,7 @@
  * 
  * This sample program shows how to use the Extended Graphic State object to add graphics parameters to an image.
  * 
- * Copyright (c) 2007-2023, Datalogics, Inc. All rights reserved.
+ * Copyright (c) 2007-2024, Datalogics, Inc. All rights reserved.
  *
  */
 
@@ -37,22 +35,34 @@ static void blendPage(Document doc, Image foregroundImage, Image backgroundImage
             gsText.FillColor = new Color(0, 0, 1.0);
             TextState ts = new TextState();
 
+            double spaceFactor = 18.0;
+            double heightOffset = height - 88.0;
+
             for (int i = 0; i < 16; i++)
             {
                 Image individualForegroundImage = foregroundImage.Clone();
                 Image individualBackgroundImage = backgroundImage.Clone();
 
                 GraphicState gs = individualForegroundImage.GraphicState;
                 individualForegroundImage.Scale(0.125, 0.125);
-                individualForegroundImage.Translate(800, 200 + height * (7 - i));
                 individualBackgroundImage.Scale(0.125, 0.125);
-                individualBackgroundImage.Translate(800, 200 + height * (7 - i));
 
-                // Halfway through, create 2nd column by shifting over and up
+                spaceFactor = 18.0;
+                if (i == 0)
+                {
+                    spaceFactor = 0;
+                }
+
+                //Halfway through, create 2nd column by shifting over and up
                 if (i > 7)
                 {
-                    individualForegroundImage.Translate(2400, height * 8);
-                    individualBackgroundImage.Translate(2400, height * 8);
+                    individualForegroundImage.Translate(400, heightOffset - (72.0 + spaceFactor) * (i - 8));
+                    individualBackgroundImage.Translate(400, heightOffset - (72.0 + spaceFactor) * (i - 8));
+                }
+                else
+                {
+                    individualForegroundImage.Translate(100, heightOffset - (72.0 + spaceFactor) * i);
+                    individualBackgroundImage.Translate(100, heightOffset - (72.0 + spaceFactor) * i);
                 }
 
                 docpage.Content.AddElement(individualBackgroundImage);
@@ -62,9 +72,14 @@ static void blendPage(Document doc, Image foregroundImage, Image backgroundImage
 
                 Matrix m = new Matrix();
                 if (i > 7)
-                    m = m.Translate(480, 750 - ((i - 8) * 100)); // second column
+                {
+                    m = m.Translate(480, heightOffset - (72.0 + spaceFactor) * (i - 8));// second column
+                }
                 else
-                    m = m.Translate(180, 750 - (i * 100)); // first column
+                {
+                    m = m.Translate(180, heightOffset - (72.0 + spaceFactor) * i);// first column
+                }
+
                 m = m.Scale(12.0, 12.0);
 
                 ExtendedGraphicState xgs = new ExtendedGraphicState();
@@ -193,7 +208,6 @@ static void Main(string[] args)
 
                 doc.EmbedFonts();
                 doc.Save(SaveFlags.Full, sOutput);
-
             }
         }
     }