Add support for loading external images

libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/gfx/DefineExternalImage.java

@@ -12,33 +12,50 @@
  * Lesser General Public License for more details.
  * 
  * You should have received a copy of the GNU Lesser General Public
- * License along with this library.␍ */
+ * License along with this library.
+ */
 package com.jpexs.decompiler.flash.tags.gfx;
 
 import com.jpexs.decompiler.flash.SWFInputStream;
 import com.jpexs.decompiler.flash.SWFOutputStream;
-import com.jpexs.decompiler.flash.tags.Tag;
+import com.jpexs.decompiler.flash.helpers.ImageHelper;
+import com.jpexs.decompiler.flash.tags.base.ImageTag;
+import com.jpexs.decompiler.flash.tags.enums.ImageFormat;
+import com.jpexs.decompiler.flash.types.annotations.HideInRawEdit;
 import com.jpexs.helpers.ByteArrayRange;
+import com.jpexs.helpers.SerializableImage;
+import net.npe.dds.DDSReader;
+import java.awt.Dimension;
+import java.awt.Image;
+import java.awt.image.BufferedImage;
+import java.io.File;
 import java.io.IOException;
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.imageio.ImageIO;
 
 /**
  *
  * @author JPEXS
  */
-public class DefineExternalImage extends Tag {
+public class DefineExternalImage extends ImageTag {
 
     public static final int ID = 1001;
 
     public static final String NAME = "DefineExternalImage";
 
-    public int characterId;
-
     public int bitmapFormat;
 
     public int targetWidth;
 
     public int targetHeight;
 
+    public String exportName;
+
     public String fileName;
 
     public static final int BITMAP_FORMAT_DEFAULT = 0;
@@ -47,6 +64,9 @@ public class DefineExternalImage extends Tag {
 
     public static final int BITMAP_FORMAT_DDS = 2;
 
+    @HideInRawEdit
+    private SerializableImage serImage;
+
     /**
      * Gets data bytes
      *
@@ -55,10 +75,11 @@ public class DefineExternalImage extends Tag {
      */
     @Override
     public void getData(SWFOutputStream sos) throws IOException {
-        sos.writeUI16(characterId);
+        sos.writeUI16(characterID);
         sos.writeUI16(bitmapFormat);
         sos.writeUI16(targetWidth);
         sos.writeUI16(targetHeight);
+        sos.writeNetString(exportName);
         sos.writeNetString(fileName);
     }
 
@@ -76,10 +97,57 @@ public class DefineExternalImage extends Tag {
 
     @Override
     public final void readData(SWFInputStream sis, ByteArrayRange data, int level, boolean parallel, boolean skipUnusualTags, boolean lazy) throws IOException {
-        characterId = sis.readUI16("characterId");
+        characterID = sis.readUI16("characterID");
         bitmapFormat = sis.readUI16("bitmapFormat");
         targetWidth = sis.readUI16("targetWidth");
         targetHeight = sis.readUI16("targetHeight");
+        exportName = sis.readNetString("exportName");
         fileName = sis.readNetString("fileName");
+        
+        if (bitmapFormat == BITMAP_FORMAT_TGA) {
+          return;
+        }
+
+        Path imagePath = Paths.get(sis.getSwf().getFile()).getParent().resolve(Paths.get(fileName));
+        byte[] imageData = Files.readAllBytes(imagePath);
+        int [] pixels = DDSReader.read(imageData, DDSReader.ARGB, 0);
+        BufferedImage bufImage = new BufferedImage(DDSReader.getWidth(imageData), DDSReader.getHeight(imageData), BufferedImage.TYPE_INT_ARGB);
+        bufImage.getRaster().setDataElements(0, 0, bufImage.getWidth(), bufImage.getHeight(), pixels);
+        Image scaled = bufImage.getScaledInstance(targetWidth, targetHeight, Image.SCALE_DEFAULT);
+        bufImage = new BufferedImage(targetWidth, targetHeight, BufferedImage.TYPE_INT_ARGB);
+        bufImage.getGraphics().drawImage(scaled, 0, 0, null);
+        serImage = new SerializableImage(bufImage);
+    }
+
+    @Override
+    public void setImage(byte[] data) throws IOException {
+        serImage = new SerializableImage(ImageHelper.read(data));
+        clearCache();
+        setModified(true);
+    }
+
+    @Override
+    public ImageFormat getImageFormat() {
+        return ImageFormat.PNG;
+    }
+
+    @Override
+    public ImageFormat getOriginalImageFormat() {
+        return ImageFormat.PNG;
+    }
+
+    @Override
+    public InputStream getOriginalImageData() {
+        return null;
+    }
+
+    @Override
+    protected SerializableImage getImage() {
+        return serImage;
+    }
+
+    @Override
+    public Dimension getImageDimension() {
+        return new Dimension(serImage.getWidth(), serImage.getHeight());
     }
 }