--- a/dwt/internal/image/GIFFileFormat.d	Wed Aug 27 14:10:03 2008 +0200
+++ b/dwt/internal/image/GIFFileFormat.d	Wed Aug 27 14:30:35 2008 +0200
@@ -35,8 +35,8 @@
     static final int GIF_EXTENSION_BLOCK_ID = 0x21;
     static final int GIF_IMAGE_BLOCK_ID = 0x2C;
     static final int GIF_TRAILER_ID = 0x3B;
-    static final byte [] GIF89a = new byte[] { (byte)'G', (byte)'I', (byte)'F', (byte)'8', (byte)'9', (byte)'a' };
-    static final byte [] NETSCAPE2_0 = new byte[] { (byte)'N', (byte)'E', (byte)'T', (byte)'S', (byte)'C', (byte)'A', (byte)'P', (byte)'E', (byte)'2', (byte)'.', (byte)'0' };
+    static final byte [] GIF89a = new byte[] { cast(byte)'G', cast(byte)'I', cast(byte)'F', cast(byte)'8', cast(byte)'9', cast(byte)'a' };
+    static final byte [] NETSCAPE2_0 = new byte[] { cast(byte)'N', cast(byte)'E', cast(byte)'T', cast(byte)'S', cast(byte)'C', cast(byte)'A', cast(byte)'P', cast(byte)'E', cast(byte)'2', cast(byte)'.', cast(byte)'0' };
     
     /**
      * Answer a palette containing numGrays
@@ -46,7 +46,7 @@
         int n = numGrays - 1;
         RGB[] colors = new RGB[numGrays];
         for (int i = 0; i < numGrays; i++) {
-            int intensity = (byte)((i * 3) * 256 / n);
+            int intensity = cast(byte)((i * 3) * 256 / n);
             colors[i] = new RGB(intensity, intensity, intensity);
         }
         return new PaletteData(colors);
@@ -121,7 +121,7 @@
                 id = inputStream.read();
                 if (id > 0) {
                     /* We read the terminator earlier. */
-                    inputStream.unread(new byte[] {(byte)id});
+                    inputStream.unread(new byte[] {cast(byte)id});
                 }
             } catch (IOException e) {
                 DWT.error(DWT.ERROR_IO, e);
@@ -164,7 +164,7 @@
         }
         if (id is GIF_IMAGE_BLOCK_ID || id is GIF_TRAILER_ID) {
             try {
-                inputStream.unread(new byte[] {(byte)id});
+                inputStream.unread(new byte[] {cast(byte)id});
             } catch (IOException e) {
                 DWT.error(DWT.ERROR_IO, e);
             }
@@ -483,8 +483,8 @@
             /* Step 3: Write the GIF89a Header and Logical Screen Descriptor. */
             outputStream.write(GIF89a);
             int bitField = globalTable*128 + (depth-1)*16 + depth-1;
-            outputStream.writeShort((short)logicalScreenWidth);
-            outputStream.writeShort((short)logicalScreenHeight);
+            outputStream.writeShort(cast(short)logicalScreenWidth);
+            outputStream.writeShort(cast(short)logicalScreenHeight);
             outputStream.write(bitField);
             outputStream.write(backgroundPixel);
             outputStream.write(0); // Aspect ratio is 1:1
@@ -507,7 +507,7 @@
                 outputStream.write(NETSCAPE2_0);
                 outputStream.write(3); // Three bytes follow
                 outputStream.write(1); // Extension type
-                outputStream.writeShort((short) repeatCount);
+                outputStream.writeShort(cast(short) repeatCount);
                 outputStream.write(0); // Block terminator
             } catch (IOException e) {
                 DWT.error(DWT.ERROR_IO, e);
@@ -529,15 +529,15 @@
             try {
                 outputStream.write(GIF_IMAGE_BLOCK_ID);
                 byte[] block = new byte[9];
-                block[0] = (byte)(x & 0xFF);
-                block[1] = (byte)((x >> 8) & 0xFF);
-                block[2] = (byte)(y & 0xFF);
-                block[3] = (byte)((y >> 8) & 0xFF);
-                block[4] = (byte)(width & 0xFF);
-                block[5] = (byte)((width >> 8) & 0xFF);
-                block[6] = (byte)(height & 0xFF);
-                block[7] = (byte)((height >> 8) & 0xFF); 
-                block[8] = (byte)(globalTable is 0 ? (depth-1) | 0x80 : 0x00);
+                block[0] = cast(byte)(x & 0xFF);
+                block[1] = cast(byte)((x >> 8) & 0xFF);
+                block[2] = cast(byte)(y & 0xFF);
+                block[3] = cast(byte)((y >> 8) & 0xFF);
+                block[4] = cast(byte)(width & 0xFF);
+                block[5] = cast(byte)((width >> 8) & 0xFF);
+                block[6] = cast(byte)(height & 0xFF);
+                block[7] = cast(byte)((height >> 8) & 0xFF); 
+                block[8] = cast(byte)(globalTable is 0 ? (depth-1) | 0x80 : 0x00);
                 outputStream.write(block);
             } catch (IOException e) {
                 DWT.error(DWT.ERROR_IO, e);
@@ -579,17 +579,17 @@
             gcBlock[2] = 0;
             gcBlock[3] = 0;
             if (image.transparentPixel !is -1) {
-                gcBlock[0] = (byte)0x01;
-                gcBlock[3] = (byte)image.transparentPixel;
+                gcBlock[0] = cast(byte)0x01;
+                gcBlock[3] = cast(byte)image.transparentPixel;
             }
             if (image.disposalMethod !is 0) {
-                gcBlock[0] |= (byte)((image.disposalMethod & 0x07) << 2);
+                gcBlock[0] |= cast(byte)((image.disposalMethod & 0x07) << 2);
             }
             if (image.delayTime !is 0) {
-                gcBlock[1] = (byte)(image.delayTime & 0xFF);
-                gcBlock[2] = (byte)((image.delayTime >> 8) & 0xFF);
+                gcBlock[1] = cast(byte)(image.delayTime & 0xFF);
+                gcBlock[2] = cast(byte)((image.delayTime >> 8) & 0xFF);
             }
-            outputStream.write((byte)gcBlock.length);
+            outputStream.write(cast(byte)gcBlock.length);
             outputStream.write(gcBlock);
             outputStream.write(0); // Block terminator
         } catch (IOException e) {
@@ -605,9 +605,9 @@
         int offset = 0;
         for (int i = 0; i < palette.colors.length; i++) {
             RGB color = palette.colors[i];
-            bytes[offset] = (byte)color.red;
-            bytes[offset + 1] = (byte)color.green;
-            bytes[offset + 2] = (byte)color.blue;
+            bytes[offset] = cast(byte)color.red;
+            bytes[offset + 1] = cast(byte)color.green;
+            bytes[offset + 2] = cast(byte)color.blue;
             offset += 3;
         }
         try {