mcs/class/System.Drawing/System.Drawing/Bitmap.jvm.cs

   1 using System;
   2 using System.IO;
   3 using System.Drawing.Imaging;
   4 using System.Runtime.Serialization;
   5 using Mainsoft.Drawing.Imaging;
   6
   7 using io = java.io;
   8 using imageio = javax.imageio;
   9 using stream = javax.imageio.stream;
  10 using spi = javax.imageio.spi;
  11 using BufferedImage = java.awt.image.BufferedImage;
  12 using JavaImage = java.awt.Image;
  13 using awt = java.awt;
  14 using image = java.awt.image;
  15
  16 namespace System.Drawing
  17 {
  18         public sealed class Bitmap : Image {
  19
  20                 # region Static fields
  21
  22                 static readonly image.ColorModel _jpegColorModel = new image.DirectColorModel(24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x0);
  23
  24                 #endregion
  25
  26                 #region constructors
  27
  28                 Bitmap (PlainImage orig) {
  29                         base.Initialize( orig, false );
  30                 }
  31
  32                 [MonoTODO]
  33                 private Bitmap (SerializationInfo info, StreamingContext context) {
  34                         throw new NotImplementedException ();
  35                 }
  36
  37                 public Bitmap (int width, int height, Graphics g)
  38                         :this (width, height, PixelFormat.Format32bppArgb) {
  39                         CurrentImage.HorizontalResolution = g.DpiX;
  40                         CurrentImage.VerticalResolution = g.DpiY;
  41                 }
  42
  43                 public Bitmap (Image original)
  44                         :this (original, original.Size) {}
  45
  46                 public Bitmap (Image orig, Size newSize)
  47                         :this (orig, newSize.Width, newSize.Height) {}
  48
  49                 public Bitmap (Image orig, int width, int height)
  50                         :base (CreateScaledImage (orig, width, height), ImageFormat.MemoryBmp) {}
  51
  52                 internal Bitmap (java.awt.Image nativeObject, ImageFormat format)
  53                         :base (nativeObject, format) {}
  54
  55                 [MonoTODO]
  56                 private Bitmap (java.awt.Image nativeObject, ImageFormat format, PixelFormat pixFormat)
  57                         :this (nativeObject, format) {
  58                         if (pixFormat != this.PixelFormat)
  59                                 throw new NotImplementedException ("Converting PixelFormat is not implemented yet.");
  60                 }
  61
  62                 public Bitmap (int width, int height)
  63                         :this (width, height, PixelFormat.Format32bppArgb) {}
  64
  65                 public Bitmap (int width, int height, PixelFormat format)
  66                         :base (
  67                         new java.awt.image.BufferedImage (width, height,
  68                         ToBufferedImageFormat (format)),
  69                         ImageFormat.Bmp) {
  70                 }
  71
  72                 public Bitmap (Stream stream)
  73                         :this (stream, false) {}
  74
  75                 public Bitmap (string filename)
  76                         :this (filename, false) {}
  77
  78                 [MonoTODO]
  79                 public Bitmap (Stream stream, bool useIcm)
  80                         :this (stream, useIcm, null) {}
  81
  82                 [MonoTODO]
  83                 public Bitmap (string filename, bool useIcm)
  84                         :this (filename, useIcm, null) {}
  85
  86                 internal Bitmap (Stream stream, bool useIcm, ImageFormat format) {
  87                         // TBD: useIcm param
  88                         io.InputStream jis = vmw.common.IOUtils.ToInputStream (stream);
  89             Initialize (new stream.MemoryCacheImageInputStream (jis), format);
  90                 }
  91
  92                 internal Bitmap (string filename, bool useIcm, ImageFormat format) {
  93                         using(FileStream stream = new FileStream(filename, FileMode.Open, FileAccess.Read)) {
  94                                 // TBD: useIcm param
  95                                 io.InputStream jis = vmw.common.IOUtils.ToInputStream (stream);
  96                                 Initialize (new stream.MemoryCacheImageInputStream (jis), format);
  97                         }
  98                 }
  99
 100                 public Bitmap (Type type, string resource) {
 101                         using (Stream s = type.Assembly.GetManifestResourceStream (resource)) {
 102                                 if (s == null)
 103                                         throw new ArgumentException("Resource '" + resource + "' could not be found in class '" + type.ToString() + "'");
 104
 105                                 io.InputStream jis = vmw.common.IOUtils.ToInputStream (s);
 106                                 Initialize (new stream.MemoryCacheImageInputStream (jis), null);
 107                         }
 108                 }
 109 #if INTPTR_SUPPORT
 110                 [MonoTODO]
 111                 public Bitmap (int width, int height, int stride, PixelFormat format, IntPtr scan0)
 112                 {
 113                         throw new NotImplementedException();
 114                 }
 115 #endif
 116                 #endregion
 117
 118                 #region Internal Initialization
 119
 120                 private void Initialize (stream.ImageInputStream input, ImageFormat format) {
 121                         ImageCodec ic = null;
 122
 123                         if (format == null)
 124                                 ic = ImageCodec.CreateReader(input);
 125                         else
 126                                 ic = ImageCodec.CreateReader(format);
 127
 128                         if (ic == null)
 129                                 throw new ArgumentException ("Parameter is not valid.");
 130
 131                         try {
 132                                 ic.NativeStream = input;
 133                                 PlainImage pi = ic.ReadPlainImage();
 134                                 base.Initialize( pi, false );
 135
 136                                 pi = ic.ReadNextPlainImage();
 137                                 while ( pi != null) {
 138                                         base.Initialize( pi, true );
 139                                         pi = ic.ReadNextPlainImage();
 140                                 }
 141
 142                                 _flags |= (int)(ImageFlags.ImageFlagsReadOnly | ImageFlags.ImageFlagsHasRealPixelSize);
 143                         }
 144                         catch (IOException ex) {
 145                                 throw ex;
 146                         }
 147                         finally {
 148                                 ic.Dispose();
 149                         }
 150                 }
 151
 152                 #endregion
 153
 154                 #region InternalSave
 155                 protected override void InternalSave (stream.ImageOutputStream output, Guid clsid) {
 156
 157                         ImageCodec ic = ImageCodec.CreateWriter( clsid );
 158                         using (ic) {
 159
 160                                 PlainImage plainImage = CurrentImage;
 161                                 plainImage.NativeImage.flush();
 162
 163                                 if ( ImageCodec.ClsidToImageFormat( clsid ).Equals( ImageFormat.Jpeg ) ) {
 164                                         image.ColorModel cm = ((image.BufferedImage)CurrentImage.NativeImage).getColorModel();
 165                                         if (cm.hasAlpha()) {
 166                                                 if (cm is image.DirectColorModel) {
 167                                                         image.Raster raster = ((image.BufferedImage)CurrentImage.NativeImage).getRaster();
 168                                                         image.DataBuffer db = raster.getDataBuffer();
 169                                                         image.DirectColorModel dcm = (image.DirectColorModel)cm;
 170                                                         image.SinglePixelPackedSampleModel jpegSampleModel = new image.SinglePixelPackedSampleModel(
 171                                                                 db.getDataType(), Width, Height,
 172                                                                 new int[] {dcm.getRedMask(), dcm.getGreenMask(), dcm.getBlueMask()}     );
 173
 174                                                         image.BufferedImage tb = new image.BufferedImage(
 175                                                                 _jpegColorModel,
 176                                                                 image.Raster.createWritableRaster( jpegSampleModel, db, null ),
 177                                                                 false, null );
 178
 179                                                         plainImage = new PlainImage( tb, plainImage.Thumbnails, ImageFormat.Jpeg, plainImage.HorizontalResolution, plainImage.VerticalResolution, plainImage.Dimension );
 180                                                         plainImage.NativeMetadata = plainImage.NativeMetadata;
 181                                                 }
 182                                         }
 183                                 }
 184
 185                                 ic.NativeStream = output;
 186                                 ic.WritePlainImage( plainImage );
 187                         }
 188                 }
 189
 190                 #endregion
 191
 192                 #region private statics: ToBufferedImageFormat, CreateScaledImage
 193
 194                 private static int ToBufferedImageFormat (PixelFormat format) {
 195                         switch(format) {
 196                                 case PixelFormat.Format16bppGrayScale:
 197                                         return BufferedImage.TYPE_USHORT_GRAY;
 198                                 case PixelFormat.Format1bppIndexed:
 199                                         return BufferedImage.TYPE_BYTE_GRAY;
 200                                 case PixelFormat.Format32bppArgb:
 201                                         return BufferedImage.TYPE_INT_ARGB;
 202                                 case PixelFormat.Format32bppRgb:
 203                                         return BufferedImage.TYPE_INT_RGB;
 204                                 case PixelFormat.Format32bppPArgb:
 205                                         return BufferedImage.TYPE_INT_ARGB_PRE;
 206                                 case PixelFormat.Format16bppRgb555:
 207                                         return BufferedImage.TYPE_USHORT_555_RGB;
 208                                 case PixelFormat.Format16bppRgb565:
 209                                         return BufferedImage.TYPE_USHORT_565_RGB;
 210                                 case PixelFormat.Indexed:
 211                                         return BufferedImage.TYPE_BYTE_INDEXED;
 212                                 default:
 213                                         return BufferedImage.TYPE_INT_ARGB;
 214                         }
 215                 }
 216
 217                 private static java.awt.Image CreateScaledImage(Image original, int width, int height) {
 218                         JavaImage oldscaled = original.CurrentImage.NativeImage.getScaledInstance(width, height,
 219                                 JavaImage.SCALE_DEFAULT);
 220                         BufferedImage newimage = new BufferedImage(oldscaled.getWidth(null),
 221                                 oldscaled.getHeight(null),
 222                                 BufferedImage.TYPE_INT_ARGB);
 223                         java.awt.Graphics2D graphics2d = newimage.createGraphics();
 224                         graphics2d.drawImage(oldscaled, 0, 0, null);
 225                         graphics2d.dispose();
 226                         return newimage;
 227                 }
 228                 #endregion
 229
 230                 #region Get-SetPixel
 231                 public Color GetPixel (int x, int y)
 232                 {
 233
 234                         int argb = NativeObject.getRGB(x,y);
 235                         return Color.FromArgb(argb);
 236                 }
 237
 238                 public void SetPixel (int x, int y, Color color)
 239                 {
 240                         int rgb = color.ToArgb();
 241                         NativeObject.setRGB(x,y,rgb);
 242                 }
 243                 #endregion
 244
 245                 #region Clone
 246                 public override object Clone () {
 247                         return new Bitmap ( (PlainImage)CurrentImage.Clone() );
 248                 }
 249
 250                 public Bitmap Clone (Rectangle rect, PixelFormat pixFormat)
 251                 {
 252                         return Clone(new RectangleF( rect.X, rect.Y, rect.Width, rect.Height ), pixFormat);
 253         }
 254
 255                 public Bitmap Clone (RectangleF rect, PixelFormat pixFormat)
 256                 {
 257                         PlainImage plainImage = CurrentImage.Clone(false);
 258                         BufferedImage clone = new BufferedImage( (int)rect.Width, (int)rect.Height, ToBufferedImageFormat( pixFormat ) );
 259                         awt.Graphics2D g = clone.createGraphics();
 260                         try {
 261                                 g.drawImage( NativeObject, -(int)rect.X, -(int)rect.Y, null );
 262                         }
 263                         finally {
 264                                 g.dispose();
 265                         }
 266
 267                         plainImage.NativeImage = clone;
 268                         return new Bitmap(plainImage);
 269                 }
 270                 #endregion
 271
 272                 #region LockBits
 273                 [MonoTODO]
 274                 public BitmapData LockBits (Rectangle rect, ImageLockMode flags, PixelFormat format) {
 275                         throw new NotImplementedException();
 276                 }
 277
 278 #if NET_2_0
 279                 public
 280 #endif
 281                 BitmapData LockBits (Rectangle rect, ImageLockMode flags, PixelFormat format, BitmapData bitmapData) {
 282                         throw new NotImplementedException();
 283                 }
 284                 #endregion
 285
 286                 #region MakeTransparent
 287                 public void MakeTransparent ()
 288                 {
 289                         Color clr = Color.FromArgb(0,0,0);
 290                         MakeTransparent (clr);
 291                 }
 292
 293                 public void MakeTransparent (Color transparentColor)
 294                 {
 295                         image.WritableRaster raster = NativeObject.getRaster();
 296                         int numBands  = raster.getNumBands();
 297                         if (numBands != 4)
 298                                 return;
 299
 300                         int maxWidth  = raster.getWidth() + raster.getMinX();
 301                         int maxHeight = raster.getHeight() + raster.getMinY();
 302                         int[] srcPix  = new int[numBands];
 303
 304                         for (int y = raster.getMinY(); y < maxHeight; y++) {
 305                                 for (int x = raster.getMinX(); x < maxWidth; x++) {
 306                                         /*srcPix =*/ raster.getPixel(x, y, srcPix);
 307                                         if (srcPix[0] == transparentColor.R &&
 308                                                 srcPix[1] == transparentColor.G &&
 309                                                 srcPix[2] == transparentColor.B) {
 310                                                 srcPix[3] = 0;
 311                                                 raster.setPixel(x, y, srcPix);
 312                                         }
 313                                 }
 314                         }
 315                 }
 316                 #endregion
 317
 318                 #region SetResolution
 319                 public void SetResolution (float xDpi, float yDpi)
 320                 {
 321                         CurrentImage.HorizontalResolution = xDpi;
 322                         CurrentImage.VerticalResolution = yDpi;
 323                 }
 324                 #endregion
 325
 326                 #region UnlockBits
 327                 [MonoTODO]
 328                 public void UnlockBits (BitmapData bitmap_data)
 329                 {
 330                         throw new NotImplementedException();
 331                 }
 332                 #endregion
 333
 334                 #region NativeObject
 335                 internal new BufferedImage NativeObject {
 336                         get {
 337                                 return (BufferedImage)base.NativeObject.CurrentImage.NativeImage;
 338                         }
 339                 }
 340
 341                 protected override java.awt.Image[] CloneNativeObjects(java.awt.Image[] src) {
 342                         if (src == null)
 343                                 return null;
 344
 345                         awt.Image[] dst = new awt.Image[src.Length];
 346                         for (int i = 0; i < dst.Length; i++) {
 347                                 BufferedImage image = src[i] as BufferedImage;
 348                                 if (image == null)
 349                                         throw new ArgumentException(String.Format("Unsupported image type '{0}'", src[i].ToString()), "src");
 350
 351                                 dst[i] = new BufferedImage(image.getColorModel(), image.copyData(null), image.isAlphaPremultiplied(), null);
 352                         }
 353
 354                         return dst;
 355                 }
 356
 357                 #endregion
 358
 359                 #region InternalPixelFormat
 360                 protected override PixelFormat InternalPixelFormat {
 361                         get {
 362                                 int t = NativeObject.getType();
 363                                 switch(t) {
 364                                         case 11://JavaImage.TYPE_USHORT_GRAY:
 365                                                 return PixelFormat.Format16bppGrayScale;
 366                                         case 10://JavaImage.TYPE_BYTE_GRAY:
 367                                                 return PixelFormat.Format8bppIndexed;
 368                                         case 1: //JavaImage.TYPE_INT_RGB
 369                                                 return PixelFormat.Format32bppRgb;
 370                                         case 2: //JavaImage.TYPE_INT_ARGB:
 371                                                 return PixelFormat.Format32bppArgb;
 372                                         case 3://JavaImage.TYPE_INT_ARGB_PRE:
 373                                                 return PixelFormat.Format32bppPArgb;
 374                                         case 9://JavaImage.TYPE_USHORT_555_RGB:
 375                                                 return PixelFormat.Format16bppRgb555;
 376                                         case 8://JavaImage.TYPE_USHORT_565_RGB:
 377                                                 return PixelFormat.Format16bppRgb565;
 378                                         case 13://JavaImage.TYPE_BYTE_INDEXED:
 379                                                 return PixelFormat.Indexed;
 380                                                 //TBD: support this
 381                                         case 12://JavaImage.TYPE_BYTE_BINARY:
 382                                         case 0://JavaImage.TYPE_CUSTOM:
 383                                         case 4://JavaImage.TYPE_INT_BGR:
 384                                         case 5://JavaImage.TYPE_3BYTE_BGR:
 385                                         case 6://JavaImage.TYPE_4BYTE_ABGR:
 386                                         case 7://JavaImage.TYPE_4BYTE_ABGR_PRE:
 387                                         default:
 388                                                 return PixelFormat.Undefined;
 389                                 }
 390                         }
 391                 }
 392                 #endregion
 393
 394 #if INTPTR_SUPPORT
 395                 [MonoTODO]
 396                 public static Bitmap FromHicon (IntPtr hicon)
 397                 {
 398                         throw new NotImplementedException();
 399                 }
 400
 401                 [MonoTODO]
 402                 public static Bitmap FromResource (IntPtr hinstance, string bitmapName) //TBD: Untested
 403                 {
 404                         throw new NotImplementedException();
 405                 }
 406
 407                 [MonoTODO]
 408                 public IntPtr GetHbitmap ()
 409                 {
 410                         throw new NotImplementedException();
 411                 }
 412
 413                 [MonoTODO]
 414                 public IntPtr GetHbitmap (Color background)
 415                 {
 416                         throw new NotImplementedException();
 417                 }
 418
 419                 [MonoTODO]
 420                 public IntPtr GetHicon ()
 421                 {
 422                         throw new NotImplementedException();
 423                 }
 424 #endif
 425
 426         }
 427 }