bufferedimage

Whenever dealing with the loading and rendering of images in Java, I have previously always used BufferedImage s to store and manipulate the images in memory. However, I have recently come across a few different sites that use the Image class instead of BufferedImage and this got me wondering - what are the differences? I'm aware that a BufferedImage has a larger/optimised toolset, but does come at any cost? If so, when does this cost become noticeable? In which situations would you use an Image over a BufferedImage , or vice-versa? BufferedImage extends Image . Image is just a base abstract

I am trying to find image in an image. I do this for desktop automation. At this moment, I'm trying to be fast, not precise. As such, I have decided to match similar image solely based on the same average color. If I pick several icons on my desktop, for example: And I will search for the last one (I'm still wondering what this file is): You can clearly see what is most likely to be the match: In different situations, this may not work. However when image size is given, it should be pretty reliable and lightning fast. I can get a screenshot as BufferedImage object: MSWindow window = MSWindow

When working with BufferedImage using the setRGB and getRGB methods, I noticed two things: the setRGB and getRGB methods can be incredibly slow on some systems (as much as two orders of magnitude slower than modifiyng the int[] array). there are no guarantee that a getRGB following a setRGB will give back the same pixel you passed This last point is basically pretty clear from the JavaDoc of setRGB , which states: ...For images with an IndexColorModel, the index with the nearest color is chosen. Seen I can work directly in a BufferedImage's int[] pixels, which I can access to by doing, for

I'm trying to get a BufferedImage from raw samples, but I get exceptions about trying to read past the available data range which I just don't understand. What I'm trying to do is: val datasize = image.width * image.height val imgbytes = image.data.getIntArray(0, datasize) val datamodel = new SinglePixelPackedSampleModel(DataBuffer.TYPE_INT, image.width, image.height, Array(image.red_mask.intValue, image.green_mask.intValue, image.blue_mask.intValue)) val buffer = datamodel.createDataBuffer val raster = Raster.createRaster(datamodel, buffer, new Point(0,0)) datamodel.setPixels(0, 0, image

I wanted to get scaled instance of a buffered image and I did: public void analyzePosition(BufferedImage img, int x, int y){ img = (BufferedImage) img.getScaledInstance(getWidth(), getHeight(), Image.SCALE_SMOOTH); .... } but I do get an exception: Exception in thread "AWT-EventQueue-0" java.lang.ClassCastException: sun.awt.image.ToolkitImage cannot be cast to java.awt.image.BufferedImage at ImagePanel.analyzePosition(ImagePanel.java:43) I wanted then to cast to ToolkitImage then use the method getBufferedImage I read about in other articles. The problem is there is no class such as sun.awt