pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/annotation/handlers/PDSquigglyAppearanceHandler.java [61:110]:
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        PDRectangle rect = annotation.getRectangle();
        if (rect == null)
        {
            return;
        }
        float[] pathsArray = annotation.getQuadPoints();
        if (pathsArray == null)
        {
            return;
        }
        AnnotationBorder ab = AnnotationBorder.getAnnotationBorder(annotation, annotation.getBorderStyle());
        PDColor color = annotation.getColor();
        if (color == null || color.getComponents().length == 0)
        {
            return;
        }
        if (Float.compare(ab.width, 0) == 0)
        {
            // value found in adobe reader
            ab.width = 1.5f;
        }

        // Adjust rectangle even if not empty, see PLPDF.com-MarkupAnnotations.pdf
        //TODO in a class structure this should be overridable
        // this is similar to polyline but different data type
        // all coordinates (unlike painting) are used because I'm lazy
        float minX = Float.MAX_VALUE;
        float minY = Float.MAX_VALUE;
        float maxX = Float.MIN_VALUE;
        float maxY = Float.MIN_VALUE;
        for (int i = 0; i < pathsArray.length / 2; ++i)
        {
            float x = pathsArray[i * 2];
            float y = pathsArray[i * 2 + 1];
            minX = Math.min(minX, x);
            minY = Math.min(minY, y);
            maxX = Math.max(maxX, x);
            maxY = Math.max(maxY, y);
        }
        rect.setLowerLeftX(Math.min(minX - ab.width / 2, rect.getLowerLeftX()));
        rect.setLowerLeftY(Math.min(minY - ab.width / 2, rect.getLowerLeftY()));
        rect.setUpperRightX(Math.max(maxX + ab.width / 2, rect.getUpperRightX()));
        rect.setUpperRightY(Math.max(maxY + ab.width / 2, rect.getUpperRightY()));
        annotation.setRectangle(rect);

        try (PDAppearanceContentStream cs = getNormalAppearanceAsContentStream())
        {
            setOpacity(cs, annotation.getConstantOpacity());

            cs.setStrokingColor(color);
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pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/annotation/handlers/PDUnderlineAppearanceHandler.java [50:99]:
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        PDRectangle rect = annotation.getRectangle();
        if (rect == null)
        {
            return;
        }
        float[] pathsArray = annotation.getQuadPoints();
        if (pathsArray == null)
        {
            return;
        }
        AnnotationBorder ab = AnnotationBorder.getAnnotationBorder(annotation, annotation.getBorderStyle());
        PDColor color = annotation.getColor();
        if (color == null || color.getComponents().length == 0)
        {
            return;
        }
        if (Float.compare(ab.width, 0) == 0)
        {
            // value found in adobe reader
            ab.width = 1.5f;
        }

        // Adjust rectangle even if not empty, see PLPDF.com-MarkupAnnotations.pdf
        //TODO in a class structure this should be overridable
        // this is similar to polyline but different data type
        // all coordinates (unlike painting) are used because I'm lazy
        float minX = Float.MAX_VALUE;
        float minY = Float.MAX_VALUE;
        float maxX = Float.MIN_VALUE;
        float maxY = Float.MIN_VALUE;
        for (int i = 0; i < pathsArray.length / 2; ++i)
        {
            float x = pathsArray[i * 2];
            float y = pathsArray[i * 2 + 1];
            minX = Math.min(minX, x);
            minY = Math.min(minY, y);
            maxX = Math.max(maxX, x);
            maxY = Math.max(maxY, y);
        }
        rect.setLowerLeftX(Math.min(minX - ab.width / 2, rect.getLowerLeftX()));
        rect.setLowerLeftY(Math.min(minY - ab.width / 2, rect.getLowerLeftY()));
        rect.setUpperRightX(Math.max(maxX + ab.width / 2, rect.getUpperRightX()));
        rect.setUpperRightY(Math.max(maxY + ab.width / 2, rect.getUpperRightY()));
        annotation.setRectangle(rect);

        try (PDAppearanceContentStream cs = getNormalAppearanceAsContentStream())
        {
            setOpacity(cs, annotation.getConstantOpacity());

            cs.setStrokingColor(color);
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