Example usage for com.itextpdf.text.pdf.parser.clipper PolyTree PolyTree

Introduction

In this page you can find the example usage for com.itextpdf.text.pdf.parser.clipper PolyTree PolyTree.

Prototype

PolyTree

Source Link

Usage

From source file:mkl.testarea.itext5.pdfcleanup.PdfCleanUpRegionFilter.java

License:Open Source License

protected Path filterStrokePath(Path sourcePath, Matrix ctm, float lineWidth, int lineCapStyle,
        int lineJoinStyle, float miterLimit, LineDashPattern lineDashPattern) {
    Path path = sourcePath;//from  w ww  .  j  a va 2s  .  co m
    JoinType joinType = getJoinType(lineJoinStyle);
    EndType endType = getEndType(lineCapStyle);

    if (lineDashPattern != null) {
        if (!lineDashPattern.isSolid()) {
            path = applyDashPattern(path, lineDashPattern);
        }
    }

    ClipperOffset offset = new ClipperOffset(miterLimit,
            StrictPdfCleanUpProcessor.arcTolerance * StrictPdfCleanUpProcessor.floatMultiplier);
    List<Subpath> degenerateSubpaths = addPath(offset, path, joinType, endType);

    PolyTree resultTree = new PolyTree();
    offset.execute(resultTree, lineWidth * StrictPdfCleanUpProcessor.floatMultiplier / 2);
    Path offsetedPath = convertToPath(resultTree);

    if (degenerateSubpaths.size() > 0) {
        if (endType == EndType.OPEN_ROUND) {
            List<Subpath> circles = convertToCircles(degenerateSubpaths, lineWidth / 2);
            offsetedPath.addSubpaths(circles);
        } else if (endType == EndType.OPEN_SQUARE && lineDashPattern != null) {
            List<Subpath> squares = convertToSquares(degenerateSubpaths, lineWidth, sourcePath);
            offsetedPath.addSubpaths(squares);
        }
    }

    return filterFillPath(offsetedPath, ctm, PathPaintingRenderInfo.NONZERO_WINDING_RULE);
}

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From source file:mkl.testarea.itext5.pdfcleanup.PdfCleanUpRegionFilter.java

License:Open Source License

/**
 * Note: this method will close all unclosed subpaths of the passed path.
 *
 * @param fillingRule If the subpath is contour, pass any value.
 *//* ww w.j  a va 2s .c  o  m*/
protected Path filterFillPath(Path path, Matrix ctm, int fillingRule) {
    path.closeAllSubpaths();

    Clipper clipper = new DefaultClipper();
    addPath(clipper, path);

    for (Rectangle rectangle : rectangles) {
        Point2D[] transfRectVertices = transformPoints(ctm, true, getVertices(rectangle));
        addRect(clipper, transfRectVertices, PolyType.CLIP);
    }

    PolyFillType fillType = PolyFillType.NON_ZERO;

    if (fillingRule == PathPaintingRenderInfo.EVEN_ODD_RULE) {
        fillType = PolyFillType.EVEN_ODD;
    }

    PolyTree resultTree = new PolyTree();
    clipper.execute(ClipType.DIFFERENCE, resultTree, fillType, PolyFillType.NON_ZERO);

    return convertToPath(resultTree);
}

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