private void drawRoundedCorners()

in fop-core/src/main/java/org/apache/fop/render/afp/AFPPainter.java [658:713]
50 lines of code
27 McCabe index (conditional complexity)

        private void drawRoundedCorners(final Rectangle borderRect,
                final BorderProps bpsBefore, final BorderProps bpsAfter,
                final BorderProps bpsStart, final BorderProps bpsEnd,
                final Color innerBackgroundColor) throws IFException {
            final double cornerCorrectionFactor = calculateCornerCorrectionFactor(borderRect.width,
                    borderRect.height, bpsBefore,  bpsAfter, bpsStart,  bpsEnd);
            final boolean[] roundCorner = new boolean[]{
                    bpsBefore != null  && bpsStart != null
                            && bpsBefore.getRadiusStart() > 0
                            && bpsStart.getRadiusStart() > 0
                            && isNotCollapseOuter(bpsBefore)
                            && isNotCollapseOuter(bpsStart),
                            bpsEnd != null && bpsBefore != null
                            && bpsEnd.getRadiusStart() > 0
                            && bpsBefore.getRadiusEnd() > 0
                            && isNotCollapseOuter(bpsEnd)
                            && isNotCollapseOuter(bpsBefore),
                            bpsEnd != null && bpsAfter != null
                            && bpsEnd.getRadiusEnd() > 0
                            && bpsAfter.getRadiusEnd() > 0
                            && isNotCollapseOuter(bpsEnd)
                            && isNotCollapseOuter(bpsAfter),
                            bpsStart != null && bpsAfter != null
                            && bpsStart.getRadiusEnd() > 0
                            && bpsAfter.getRadiusStart() > 0
                            && isNotCollapseOuter(bpsStart)
                            && isNotCollapseOuter(bpsAfter)
            };

            if (!roundCorner[TOP_LEFT] && !roundCorner[TOP_RIGHT]
                    && !roundCorner[BOTTOM_RIGHT] && !roundCorner[BOTTOM_LEFT]) {
                try {
                    drawRectangularBorders(borderRect, bpsBefore, bpsAfter, bpsStart, bpsEnd);
                } catch (IOException ioe) {
                    throw new IFException("IO error drawing borders", ioe);
                }
                return;
            }

            String areaKey = makeKey(borderRect,
                    bpsBefore, bpsEnd, bpsAfter,
                    bpsStart, innerBackgroundColor);

            Graphics2DImagePainter painter = null;
            String name = documentHandler.getCachedRoundedCorner(areaKey);

            if (name == null) {

                name = documentHandler.cacheRoundedCorner(areaKey);

                painter = new BorderImagePainter(cornerCorrectionFactor, borderRect,
                        bpsStart, bpsEnd, bpsBefore, bpsAfter,
                        roundCorner, innerBackgroundColor);
            }
            paintCornersAsBitmap(painter, borderRect, name);
        }