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