Examples of org.im4java.core.IMOperation

    if (supportedFormats.containsKey(format))
      return supportedFormats.get(format);


    // Reach out to ImageMagick
    ConvertCmd imageMagick = new ConvertCmd();
    IMOperation op = new IMOperation();
    op.identify().list("format");
    try {
      final Pattern p = Pattern.compile("[\\s]+" + format.toUpperCase() + "[\\s]+rw");
      final Boolean[] supported = new Boolean[1];
      imageMagick.setOutputConsumer(new OutputConsumer() {
        public void consumeOutput(InputStream is) throws IOException {

        cropX = imageWidth - scaledWidth;
        scaledWidth = Math.round(imageWidth * scale);
      }


      // Do the scaling
      IMOperation scaleOp = new IMOperation();
      scaleOp.addImage(originalFile.getAbsolutePath());
      scaleOp.resize((int) scaledWidth, (int) scaledHeight);
      scaleOp.addImage(scaledFile.getAbsolutePath());
      imageMagick.run(scaleOp);
      finalFile = scaledFile;


      // Cropping
      cropX = (int) Math.max(cropX, Math.ceil(ImageStyleUtils.getCropX(scaledWidth, scaledHeight, style)));
      cropY = (int) Math.max(cropY, Math.ceil(ImageStyleUtils.getCropY(scaledWidth, scaledHeight, style)));


      if ((cropX > 0 && Math.floor(cropX / 2.0f) > 0) || (cropY > 0 && Math.floor(cropY / 2.0f) > 0)) {


        int croppedLeft = (int) (cropX > 0 ? ((float) Math.floor(cropX / 2.0f)) : 0.0f);
        int croppedTop = (int) (cropY > 0 ? ((float) Math.floor(cropY / 2.0f)) : 0.0f);
        int croppedWidth = (int) (scaledWidth - Math.max(cropX, 0.0f));
        int croppedHeight = (int) (scaledHeight - Math.max(cropY, 0.0f));


        // Do the cropping
        IMOperation cropOperation = new IMOperation();
        cropOperation.addImage(scaledFile.getAbsolutePath());
        cropOperation.crop(croppedWidth, croppedHeight, croppedLeft, croppedTop);
        cropOperation.p_repage(); // Reset the page canvas and position to match
        // the actual cropped image
        cropOperation.addImage(croppedFile.getAbsolutePath());
        imageMagick.run(cropOperation);
        finalFile = croppedFile;
      }


      // Write resized/cropped image encoded as JPEG to the output stream

Examples of org.im4java.core.IMOperation

Related Classes of org.im4java.core.IMOperation