spring.turbo.module.misc.captcha.google.renderer.BestFitTextRenderer Maven / Gradle / Ivy

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package spring.turbo.module.misc.captcha.google.renderer;

/**
 * @since 1.0.0
 */
public class BestFitTextRenderer extends AbstractTextRenderer {

    @Override
    protected void arrangeCharacters(int width, int height, TextString ts) {
        double widthRemaining = (width - ts.getWidth() - leftMargin - rightMargin) / ts.getCharacters().size();
        double x = leftMargin + widthRemaining / 2;
        height -= topMargin + bottomMargin;
        for (TextCharacter tc : ts.getCharacters()) {
            double y = topMargin + (height + tc.getAscent() * 0.7) / 2;
            tc.setX(x);
            tc.setY(y);
            x += tc.getWidth() + widthRemaining;
        }
    }

}