src/macosx/native/sun/awt/CImage.m

*** 50,71 ****
          dstPixels += width;
      }
  }
  
  static void CImage_CopyNSImageIntoArray
! (NSImage *srcImage, jint *dstPixels, int width, int height)
  {
      CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceRGB();
      CGContextRef cgRef = CGBitmapContextCreate(dstPixels, width, height, 8, width * 4, colorspace, kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host);
      CGColorSpaceRelease(colorspace);
      NSGraphicsContext *context = [NSGraphicsContext graphicsContextWithGraphicsPort:cgRef flipped:NO];
      CGContextRelease(cgRef);
      NSGraphicsContext *oldContext = [[NSGraphicsContext currentContext] retain];
      [NSGraphicsContext setCurrentContext:context];
!     NSRect rect = NSMakeRect(0, 0, width, height);
!     [srcImage drawInRect:rect
!                 fromRect:rect
                 operation:NSCompositeSourceOver
                  fraction:1.0];
      [NSGraphicsContext setCurrentContext:oldContext];
      [oldContext release];
  }
--- 50,72 ----
          dstPixels += width;
      }
  }
  
  static void CImage_CopyNSImageIntoArray
! (NSImage *srcImage, jint *dstPixels, NSRect fromRect, NSRect toRect)
  {
+     int width = toRect.size.width;
+     int height = toRect.size.height;
      CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceRGB();
      CGContextRef cgRef = CGBitmapContextCreate(dstPixels, width, height, 8, width * 4, colorspace, kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host);
      CGColorSpaceRelease(colorspace);
      NSGraphicsContext *context = [NSGraphicsContext graphicsContextWithGraphicsPort:cgRef flipped:NO];
      CGContextRelease(cgRef);
      NSGraphicsContext *oldContext = [[NSGraphicsContext currentContext] retain];
      [NSGraphicsContext setCurrentContext:context];
!     [srcImage drawInRect:toRect
!                 fromRect:fromRect
                 operation:NSCompositeSourceOver
                  fraction:1.0];
      [NSGraphicsContext setCurrentContext:oldContext];
      [oldContext release];
  }
*** 264,288 ****
  }
  
  /*
   * Class:     sun_lwawt_macosx_CImage
   * Method:    nativeCopyNSImageIntoArray
!  * Signature: (J[III)V
   */
  JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CImage_nativeCopyNSImageIntoArray
! (JNIEnv *env, jclass klass, jlong nsImgPtr, jintArray buffer, jint w, jint h)
  {
! JNF_COCOA_ENTER(env);
  
      NSImage *img = (NSImage *)jlong_to_ptr(nsImgPtr);
      jint *dst = (*env)->GetPrimitiveArrayCritical(env, buffer, NULL);
      if (dst) {
!         CImage_CopyNSImageIntoArray(img, dst, w, h);
          (*env)->ReleasePrimitiveArrayCritical(env, buffer, dst, JNI_ABORT);
      }
  
! JNF_COCOA_EXIT(env);
  }
  
  /*
   * Class:     sun_lwawt_macosx_CImage
   * Method:    nativeGetNSImageSize
--- 265,291 ----
  }
  
  /*
   * Class:     sun_lwawt_macosx_CImage
   * Method:    nativeCopyNSImageIntoArray
!  * Signature: (J[IIIII)V
   */
  JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CImage_nativeCopyNSImageIntoArray
! (JNIEnv *env, jclass klass, jlong nsImgPtr, jintArray buffer, jint sw, jint sh, jint dw, jint dh)
  {
!     JNF_COCOA_ENTER(env);
      
      NSImage *img = (NSImage *)jlong_to_ptr(nsImgPtr);
      jint *dst = (*env)->GetPrimitiveArrayCritical(env, buffer, NULL);
      if (dst) {
!         NSRect fromRect = NSMakeRect(0, 0, sw, sh);
!         NSRect toRect = NSMakeRect(0, 0, dw, dh);
!         CImage_CopyNSImageIntoArray(img, dst, fromRect, toRect);
          (*env)->ReleasePrimitiveArrayCritical(env, buffer, dst, JNI_ABORT);
      }
      
!     JNF_COCOA_EXIT(env);
  }
  
  /*
   * Class:     sun_lwawt_macosx_CImage
   * Method:    nativeGetNSImageSize
*** 341,345 ****
--- 344,404 ----
          [imageRep setSize:NSMakeSize(w, h)];
      }
      
  JNF_COCOA_EXIT(env);
  }
+ 
+ /*
+  * Class:     sun_lwawt_macosx_CImage
+  * Method:    nativeGetNSImageRepresentationsCount
+  * Signature: (JDD)Ljava/awt/geom/Dimension2D;
+  */
+ JNIEXPORT jobjectArray JNICALL Java_sun_lwawt_macosx_CImage_nativeGetNSImageRepresentationSizes
+ (JNIEnv *env, jclass clazz, jlong image, jdouble w, jdouble h)
+ {
+     if (!image) return 0;
+     jobjectArray jreturnArray = NULL;
+     NSImage *img = (NSImage *)jlong_to_ptr(image);
+ 
+ JNF_COCOA_ENTER(env);
+ 
+     NSMutableArray *imagePixelSizes = [[NSMutableArray alloc] init];
+ 
+     NSImageRep *imageRep = nil;
+     NSEnumerator *imageEnumerator = [[img representations] objectEnumerator];
+ 
+     while ((imageRep = [imageEnumerator nextObject]) != nil) {
+         NSSize imageRepSize = [imageRep size];
+         if (imageRepSize.width == w && imageRepSize.height == h){
+             NSSize pixelSize = NSMakeSize([imageRep pixelsWide], [imageRep pixelsHigh]);
+             [imagePixelSizes addObject: [NSValue valueWithSize: pixelSize]];
+         }
+     }
+ 
+     NSArray *sortedPixelSizes = [imagePixelSizes sortedArrayUsingComparator: ^(id obj1, id obj2) {
+         NSSize size1 = [obj1 sizeValue];
+         NSSize size2 = [obj2 sizeValue];
+         return (NSComparisonResult) ((size1.width <= size2.width && size1.height <= size2.height) ?
+             NSOrderedAscending :
+             NSOrderedDescending);
+     }];
+ 
+     jsize count = [sortedPixelSizes count];
+     static JNF_CLASS_CACHE(jc_Dimension, "java/awt/Dimension");
+     jreturnArray = JNFNewObjectArray(env, &jc_Dimension, count);
+ 
+     jsize i;
+     for(i = 0; i < count; i++){
+         NSSize pixelSize = [[sortedPixelSizes objectAtIndex: i] sizeValue];
+         
+         (*env)->SetObjectArrayElement(env, jreturnArray, i, NSToJavaSize(env, pixelSize));
+         if ((*env)->ExceptionOccurred(env)) {
+             (*env)->ExceptionDescribe(env);
+             (*env)->ExceptionClear(env);
+             continue;
+         }
+     }
+ 
+ JNF_COCOA_EXIT(env);
+ 
+     return jreturnArray;
+ }
\ No newline at end of file