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