Example usage for java.awt Image SCALE_AREA_AVERAGING

Introduction

In this page you can find the example usage for java.awt Image SCALE_AREA_AVERAGING.

Prototype

int SCALE_AREA_AVERAGING

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Document

Use the Area Averaging image scaling algorithm.

Usage

From source file:ucar.unidata.idv.ui.ImageGenerator.java

/**
 * Resize the image//from  ww w .  ja v a  2s . c  o  m
 *
 * @param image The image
 * @param node Node to process. This may contain a width or a height attribute.
 *
 * @return The resized image
 */
protected Image resize(Image image, Element node) {
    int imageWidth = image.getWidth(null);
    int imageHeight = image.getHeight(null);
    int width = -1;
    int height = -1;
    if (XmlUtil.hasAttribute(node, ATTR_WIDTH)) {
        width = (int) toDouble(node, ATTR_WIDTH, imageWidth);
    }
    if (XmlUtil.hasAttribute(node, ATTR_HEIGHT)) {
        height = (int) toDouble(node, ATTR_HEIGHT, imageWidth);
    }
    if ((width == -1) && (height == -1)) {
        return image;
    }

    return image.getScaledInstance(width, height, Image.SCALE_AREA_AVERAGING);
}

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From source file:ucar.unidata.idv.ui.ImageGenerator.java

/**
 * Resize the image//from  ww w  .j  a va2  s.  co  m
 *
 * @param image The image
 * @param widthStr width of desired image (pixels)
 * @param heightStr height of desired image (pixels)
 *
 * @return The resized image
 */
public BufferedImage resizeImage(BufferedImage image, String widthStr, String heightStr) {
    int imageWidth = image.getWidth(null);
    int imageHeight = image.getHeight(null);
    int width = -1;
    int height = -1;
    if (!widthStr.equals("-1")) {
        width = (int) toDouble(widthStr, imageWidth);
    }
    if (!heightStr.equals("-1")) {
        height = (int) toDouble(heightStr, imageHeight);
    }
    if ((width == -1) && (height == -1)) {
        return image;
    }

    BufferedImage resizedImage = ImageUtils.toBufferedImage(
            image.getScaledInstance(width, height, Image.SCALE_AREA_AVERAGING), BufferedImage.TYPE_INT_RGB);
    return resizedImage;

}

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