Fixed: PDF export - Smoothed bitmaps

CHANGELOG.md

@@ -6,8 +6,8 @@ All notable changes to this project will be documented in this file.
 -  [#1015], [#1466], [#1513] Better error messages during saving, display message on out of memory
 
 ### Fixed
-- PDF Export - NullPointer when font of text is missing
-- PDF Export - Text position on font change
+- PDF export - NullPointer when font of text is missing
+- PDF export - Text position on font change
 - Writing DefineFont2/3 ascent/descent as SI16 - it's UI16
 - [#1660] Empty thumbnail view on remove item
 - [#1669] FILLSTYLE color handling in DefineShape3/4
@@ -20,6 +20,7 @@ All notable changes to this project will be documented in this file.
 - [#1671] JPEG images display when not CMYK
 - Generic tag editor - remove more items at once
 - [#1669] Flash viewer - Smoothed vs non-smoothed bitmaps
+- PDF export - Smoothed bitmaps
 
 ## [14.3.1] - 2021-03-25
 ### Fixed

libsrc/gnujpdf/src/gnu/jpdf/PDFImage.java

@@ -61,6 +61,8 @@ public class PDFImage extends PDFStream implements ImageObserver, Serializable {
 
     private String mask;
 
+    private boolean interpolate;
+
     /**
      * Creates a new <code>PDFImage</code> instance.
      *
@@ -74,14 +76,15 @@ public class PDFImage extends PDFStream implements ImageObserver, Serializable {
      *
      * @param img an <code>Image</code> value
      */
-    public PDFImage(Image img, String mask) {
+    public PDFImage(Image img, String mask, boolean interpolate) {
         this();
         this.mask = mask;
+        this.interpolate = interpolate;
         setImage(img, 0, 0, img.getWidth(this), img.getHeight(this), this);
     }
 
     public PDFImage(Image img) {
-        this(img, null);
+        this(img, null, false);
     }
 
     /**
@@ -94,16 +97,17 @@ public class PDFImage extends PDFStream implements ImageObserver, Serializable {
      * @param h an <code>int</code> value
      * @param obs an <code>ImageObserver</code> value
      */
-    public PDFImage(Image img, int x, int y, int w, int h, ImageObserver obs, String mask) {
+    public PDFImage(Image img, int x, int y, int w, int h, ImageObserver obs, String mask, boolean interpolate) {
         this();
         objwidth = w;
         objheight = h;
         this.mask = mask;
+        this.interpolate = interpolate;
         setImage(img, x, y, img.getWidth(this), img.getHeight(this), obs);
     }
 
     public PDFImage(Image img, int x, int y, int w, int h, ImageObserver obs) {
-        this(img, x, y, w, h, obs, null);
+        this(img, x, y, w, h, obs, null, false);
     }
 
     /**
@@ -310,7 +314,10 @@ public class PDFImage extends PDFStream implements ImageObserver, Serializable {
         os.write(Integer.toString(height).getBytes());
         os.write("\n/BitsPerComponent 8\n/ColorSpace /DeviceRGB\n".getBytes());
         if (mask != null) {
-            os.write(("\n/SMask " + mask + "\n").getBytes());
+            os.write(("/SMask " + mask + "\n").getBytes());
+        }
+        if (interpolate) {
+            os.write("/Interpolate true\n".getBytes());
         }
 
         // write the pixels to the stream