Initial version based on previous work. (Version alpha 7)

2026-09-25 11:01:10 +00:00 · 2010-09-04 13:57:22 +02:00
commit a34ee7364c
1147 changed files with 84884 additions and 0 deletions
@@ -0,0 +1,190 @@
+package com.jpexs.asdec;
+
+import com.jpexs.asdec.tags.Tag;
+import com.jpexs.asdec.types.RECT;
+
+import java.io.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.zip.DeflaterOutputStream;
+import java.util.zip.InflaterInputStream;
+
+/**
+ * Class representing SWF file
+ *
+ * @author JPEXS
+ */
+public class SWF {
+
+    /**
+     * Tags inside of file
+     */
+    public List<Tag> tags = new ArrayList<Tag>();
+    /**
+     * Rectangle for the display
+     */
+    public RECT displayRect;
+    /**
+     * Movie frame rate
+     */
+    public int frameRate;
+    /**
+     * Number of frames in movie
+     */
+    public int frameCount;
+    /**
+     * Version of SWF
+     */
+    public int version;
+    /**
+     * Size of the file
+     */
+    public long fileSize;
+
+    /**
+     * Use compression
+     */
+    public boolean compressed = false;
+
+    /**
+     * Gets all tags with specified id
+     *
+     * @param tagId Identificator of tag type
+     * @return List of tags
+     */
+    public List<Tag> getTagData(int tagId) {
+        List<Tag> ret = new ArrayList<Tag>();
+        for (Tag tag : tags) {
+            if (tag.getId() == tagId) {
+                ret.add(tag);
+            }
+        }
+        return ret;
+    }
+
+    /**
+     * Saves this SWF into new file
+     *
+     * @param os OutputStream to save SWF in
+     * @throws IOException
+     */
+    public void saveTo(OutputStream os) throws IOException {
+        try {
+            ByteArrayOutputStream baos = new ByteArrayOutputStream();
+            SWFOutputStream sos = new SWFOutputStream(baos, version);
+            sos.writeRECT(displayRect);
+            sos.writeUI8(0);
+            sos.writeUI8(frameRate);
+            sos.writeUI16(frameCount);
+
+            sos.writeTags(tags);
+            sos.writeUI16(0);
+            sos.close();
+            if (compressed) {
+                os.write('C');
+            } else {
+                os.write('F');
+            }
+            os.write('W');
+            os.write('S');
+            os.write(version);
+            byte data[] = baos.toByteArray();
+            sos = new SWFOutputStream(os, version);
+            sos.writeUI32(data.length + 8);
+
+            if (compressed) {
+                os = new DeflaterOutputStream(os);
+            }
+            os.write(data);
+        }
+        finally {
+            if (os != null)
+                os.close();
+        }
+
+    }
+
+    /**
+     * Construct SWF from stream
+     *
+     * @param is Stream to read SWF from
+     * @throws IOException
+     */
+    public SWF(InputStream is) throws IOException {
+        byte hdr[] = new byte[3];
+        is.read(hdr);
+        String shdr = new String(hdr);
+        if ((!shdr.equals("FWS")) && (!shdr.equals("CWS"))) {
+            throw new IOException("Invalid SWF file");
+        }
+        version = is.read();
+        SWFInputStream sis = new SWFInputStream(is, version);
+        fileSize = sis.readUI32();
+
+        if (hdr[0] == 'C') {
+            sis = new SWFInputStream(new InflaterInputStream(is), version);
+            compressed = true;
+        }
+
+
+        displayRect = sis.readRECT();
+        sis.readUI8();
+        frameRate = sis.readUI8();
+        frameCount = sis.readUI16();
+        tags = sis.readTagList();
+    }
+
+
+    /**
+     * Compress SWF file
+     *
+     * @param fis Input stream
+     * @param fos Output stream
+     */
+    public static void fws2cws(InputStream fis, OutputStream fos) {
+        try {
+            byte swfHead[] = new byte[8];
+            fis.read(swfHead);
+
+            swfHead[0] = 'C';
+            fos.write(swfHead);
+            fos = new DeflaterOutputStream(fos);
+            int i = 0;
+            while ((i = fis.read()) != -1) {
+                fos.write(i);
+            }
+
+            fis.close();
+            fos.close();
+        } catch (FileNotFoundException ex) {
+        } catch (IOException ex) {
+        }
+
+    }
+
+    /**
+     * Decompress SWF file
+     *
+     * @param fis Input stream
+     * @param fos Output stream
+     */
+    public static void cws2fws(InputStream fis, OutputStream fos) {
+        try {
+            byte swfHead[] = new byte[8];
+            fis.read(swfHead);
+            InflaterInputStream iis = new InflaterInputStream(fis);
+            swfHead[0] = 'F';
+            fos.write(swfHead);
+            int i = 0;
+            while ((i = iis.read()) != -1) {
+                fos.write(i);
+            }
+
+            fis.close();
+            fos.close();
+        } catch (FileNotFoundException ex) {
+        } catch (IOException ex) {
+        }
+
+    }
+}