Examples with RescaleOp java.awt.image.RescaleOp used on opensource projects

Example 11 with RescaleOp

use of java.awt.image.RescaleOp in project java-swing-tips by aterai.

the class AnimationUtil method makeRolloverIcon.

private static ImageIcon makeRolloverIcon(ImageIcon srcIcon) {
    int w = srcIcon.getIconWidth();
    int h = srcIcon.getIconHeight();
    BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = img.createGraphics();
    srcIcon.paintIcon(null, g2, 0, 0);
    float[] scaleFactors = { .5f, .5f, .5f, 1f };
    float[] offsets = { 0f, 0f, 0f, 0f };
    RescaleOp op = new RescaleOp(scaleFactors, offsets, g2.getRenderingHints());
    g2.dispose();
    return new ImageIcon(op.filter(img, null));
}

Example 12 with RescaleOp

use of java.awt.image.RescaleOp in project java-swing-tips by aterai.

the class SearchBarLayout method makeRolloverIcon.

protected static ImageIcon makeRolloverIcon(ImageIcon srcIcon) {
    int w = srcIcon.getIconWidth();
    int h = srcIcon.getIconHeight();
    BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = img.createGraphics();
    srcIcon.paintIcon(null, g2, 0, 0);
    float[] scaleFactors = { 1.2f, 1.2f, 1.2f, 1f };
    float[] offsets = { 0f, 0f, 0f, 0f };
    RescaleOp op = new RescaleOp(scaleFactors, offsets, g2.getRenderingHints());
    g2.dispose();
    return new ImageIcon(op.filter(img, null));
}

Example 13 with RescaleOp

use of java.awt.image.RescaleOp in project poi by apache.

the class BitmapImageRenderer method setAlpha.

@Override
public void setAlpha(double alpha) {
    if (img == null)
        return;
    Dimension dim = getDimension();
    BufferedImage newImg = new BufferedImage((int) dim.getWidth(), (int) dim.getHeight(), BufferedImage.TYPE_INT_ARGB);
    Graphics2D g = newImg.createGraphics();
    RescaleOp op = new RescaleOp(new float[] { 1.0f, 1.0f, 1.0f, (float) alpha }, new float[] { 0, 0, 0, 0 }, null);
    g.drawImage(img, op, 0, 0);
    g.dispose();
    img = newImg;
}

Example 14 with RescaleOp

use of java.awt.image.RescaleOp in project nationgen by elmokki.

the class Drawing method darken.

public static BufferedImage darken(BufferedImage image, int units) {
    float un = (float) units;
    float[] factors = new float[] { 1.0f, 1.0f, 1.0f, 1.0f };
    float[] offsets = new float[] { un, un, un, 0.0f };
    BufferedImage dstImage = null;
    RescaleOp op = new RescaleOp(factors, offsets, null);
    dstImage = op.filter(image, null);
    for (int x = 0; x < image.getWidth(); x++) for (int y = 0; y < image.getHeight(); y++) {
        int clr = image.getRGB(x, y);
        int red = (clr & 0x00ff0000) >> 16;
        int green = (clr & 0x0000ff00) >> 8;
        int blue = clr & 0x000000ff;
        if (red > 247 && blue > 247 && green == 0)
            dstImage.setRGB(x, y, clr);
        if (red == 0 && blue == 0 && green == 0)
            dstImage.setRGB(x, y, Color.BLACK.getRGB());
    }
    return dstImage;
}

Example 15 with RescaleOp

use of java.awt.image.RescaleOp in project WorldPainter by Captain-Chaos.

the class BitmapBrush method setLevel.

@Override
public void setLevel(float level) {
    if (level != this.level) {
        this.level = level;
        rescaleOp = new RescaleOp(level, 0, null);
        createMask();
    }
}