Example usage for com.itextpdf.text.pdf.qrcode ByteMatrix getHeight

Introduction

In this page you can find the example usage for com.itextpdf.text.pdf.qrcode ByteMatrix getHeight.

Prototype

public int getHeight() 

Source Link

Usage

From source file:com.mui.certificate.core.HalalCertification.java

License:Apache License

private BufferedImage convertToImage(ByteMatrix matrix, int scale) {
    BufferedImage buffImage = new BufferedImage(matrix.getHeight() * scale, matrix.getWidth() * scale,
            BufferedImage.TYPE_INT_ARGB);

    for (int i = 0; i < matrix.getHeight(); ++i) {
        for (int j = 0; j < matrix.getWidth(); ++j) {
            for (int iscale = 0; iscale < scale; ++iscale) {
                for (int jscale = 0; jscale < scale; ++jscale) {
                    buffImage.setRGB(j * scale + jscale, i * scale + iscale,
                            matrix.get(j, i) == 0 ? WHITE : BLACK);
                }//from   ww w .j a v a  2 s . c  om
            }
        }
    }

    return buffImage;
}

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From source file:com.mui.halal.experiment.MatrixToImageWriter.java

License:Apache License

/**
 * Renders a {@link ByteMatrix} as an image, as a
 * {@link BufferedImage}. The byte values are construed as (unsigned)
 * luminance values, in theory.//from  w w  w .ja  v  a 2 s  .c o m
 * However, anything but 0 will be rendered as white, and 0 will be
 * rendered as black.
 */
public static BufferedImage toBufferedImage(ByteMatrix matrix) {
    int width = matrix.getWidth();
    int height = matrix.getHeight();
    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    for (int x = 0; x < width; x++) {
        for (int y = 0; y < height; y++) {
            image.setRGB(x, y, matrix.get(x, y) == 0 ? WHITE : BLACK);
        }
    }
    return image;
}

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