Example usage for java.awt.image AffineTransformOp AffineTransformOp

Introduction

In this page you can find the example usage for java.awt.image AffineTransformOp AffineTransformOp.

Prototype

public AffineTransformOp(AffineTransform xform, int interpolationType)

Source Link

Document

Constructs an AffineTransformOp given an affine transform and the interpolation type.

Usage

From source file:paintbasico2d.VentanaPrincipal.java

private void jButton270gradosActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton270gradosActionPerformed
    // TODO add your handling code here:
    VentanaInterna vi = (VentanaInterna) (escritorio.getSelectedFrame());
    if (vi != null) {
        BufferedImage ImgSource = vi.getLienzo().getImage();

        if (ImgSource != null) {
            double r = Math.toRadians(270);
            Point p = new Point(ImgSource.getWidth() / 2, ImgSource.getHeight() / 2);
            AffineTransform at = AffineTransform.getRotateInstance(r, p.x, p.y);

            try {

                AffineTransformOp atop = new AffineTransformOp(at, AffineTransformOp.TYPE_BILINEAR);
                BufferedImage imgdest = atop.filter(ImgSource, null);
                vi.getLienzo().setImage(imgdest);
                vi.getLienzo().repaint();
            } catch (Exception e) {
                System.err.println("error");
            }// w w  w  . ja  va  2 s .  c  o m
        }
    }
}

From source file:paintbasico2d.VentanaPrincipal.java

private void jButton90gradosActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton90gradosActionPerformed
    VentanaInterna vi = (VentanaInterna) (escritorio.getSelectedFrame());
    if (vi != null) {
        BufferedImage ImgSource = vi.getLienzo().getImage();

        if (ImgSource != null) {
            double r = Math.toRadians(90);
            Point p = new Point(ImgSource.getWidth() / 2, ImgSource.getHeight() / 2);
            AffineTransform at = AffineTransform.getRotateInstance(r, p.x, p.y);

            try {

                AffineTransformOp atop = new AffineTransformOp(at, AffineTransformOp.TYPE_BILINEAR);
                BufferedImage imgdest = atop.filter(ImgSource, null);
                vi.getLienzo().setImage(imgdest);
                vi.getLienzo().repaint();
            } catch (Exception e) {
                System.err.println("error");
            }/*from   ww w. java2s  .  co  m*/
        }
    }
}

From source file:paintbasico2d.VentanaPrincipal.java

private void jSliderRotacionStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_jSliderRotacionStateChanged
    VentanaInterna vi = (VentanaInterna) (escritorio.getSelectedFrame());
    if (vi != null) {
        BufferedImage ImgSource = vi.getLienzo().getImage();
        if (img == null)
            img = ImgSource;//  w  w  w  .  ja v a 2 s.  com
        if (ImgSource != null) {

            try {
                double r = Math.toRadians(jSliderRotacion.getValue());
                Point p = new Point(img.getWidth(null) / 2, img.getWidth(null) / 2);
                AffineTransform at = AffineTransform.getRotateInstance(r, p.x, p.y);
                AffineTransformOp atop = new AffineTransformOp(at, AffineTransformOp.TYPE_BILINEAR);
                BufferedImage imgdest = atop.filter(img, null);
                vi.getLienzo().setImage(imgdest);
                vi.getLienzo().repaint();
            } catch (Exception e) {
                System.err.println("error");
            }
        }
    }
}

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

/**
 * Scale the given {@code source} {@link Image}.
 *
 * @param source Source image.//ww w .  j a v a  2  s  .  c o  m
 * @param width New width.
 * @param height New height.
 *
 * @return Scaled {@code source} image (uses bilinear interpolation).
 */
public static BufferedImage getScaledImage(Image source, int width, int height) {
    // convert the given Image into a BufferedImage if needed--makes things a
    // little easier.
    BufferedImage image;
    if (source instanceof BufferedImage) {
        image = (BufferedImage) source;
    } else {
        image = new BufferedImage(source.getWidth(null), source.getHeight(null), BufferedImage.TYPE_INT_ARGB);
        Graphics2D g = image.createGraphics();
        g.drawImage(source, 0, 0, null);
        g.dispose();
    }

    int imageWidth = image.getWidth();
    int imageHeight = image.getHeight();
    double scaleX = (double) width / imageWidth;
    double scaleY = (double) height / imageHeight;
    AffineTransform scaleTransform = AffineTransform.getScaleInstance(scaleX, scaleY);
    BufferedImageOp op = new AffineTransformOp(scaleTransform, AffineTransformOp.TYPE_BILINEAR);
    return op.filter(image, new BufferedImage(width, height, image.getType()));
}