Examples of java.awt.geom.Area.subtract()

java.awt.geom.Area.subtract()
ple: Area a1 = new Area([triangle 0,0 => 8,0 => 0,8]); Area a2 = new Area([triangle 0,0 => 8,0 => 8,8]); a1.subtract(a2); a1(before) - a2 = a1(after) ################ ################ ############## ############## ## ############ ############ #### ########## ########## ###### ######## ######## ######## ###### ###### ###### #### #### #### ## ## ## @param rhs the Area to be subtracted from the current shape @throws NullPointerException if rhs is null @since 1.2

            ClipRable clip = CSSUtilities.convertClipPath(child,
                                                          outlineNode,
                                                          ctx);
            if (clip != null) {
                Area area = new Area(outline);
                area.subtract(new Area(clip.getClipPath()));
                outline = area;
            }
            clipPath.add(new Area(outline));
        }
        if (!hasChildren) {

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            // Set the composite on the Graphics2D object.
            g2d.setColor(mySettings.getBorderColor());
            g2d.setComposite(alphaComp);


            Area border = new Area(new Rectangle2D.Double(0, 0, getWidth(), getHeight()));
            border.subtract(new Area(new Rectangle2D.Double(2, 2, getWidth() - 4, getHeight() - 4)));
            g2d.fill(border);


            // Restore the old composite.
            g2d.setComposite(oldComp);
            Color backgroundColor = mySettings.getBackgroundColor();

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                // don't paint over the selection background
                Area selection = getTextPaneSkin().getSelection();
                if (selection != null) {
                    Area fillArea = new Area(new Rectangle(nodeViewBounds.x, nodeViewBounds.y, nodeViewBounds.width, nodeViewBounds.height));
                    selection = selection.createTransformedArea(AffineTransform.getTranslateInstance(-skinX, -skinY));
                    fillArea.subtract(selection);
                    nodeViewGraphics.setColor(styledBackgroundColor);
                    nodeViewGraphics.fill(fillArea);
                } else {
                    nodeViewGraphics.setColor(styledBackgroundColor);
                    nodeViewGraphics.fillRect(nodeViewBounds.x, nodeViewBounds.y, nodeViewBounds.width, nodeViewBounds.height);

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            // Determine the selected and unselected areas
            Area selection = textAreaSkin.getSelection();
            Area selectedArea = selection.createTransformedArea(AffineTransform.getTranslateInstance(-x, -y));
            Area unselectedArea = new Area();
            unselectedArea.add(new Area(new Rectangle2D.Float(0, 0, width, height)));
            unselectedArea.subtract(new Area(selectedArea));


            // Paint the unselected text
            Graphics2D unselectedGraphics = (Graphics2D)graphics.create();
            unselectedGraphics.clip(unselectedArea);
            paint(unselectedGraphics, focused, editable, false);

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                                rowY -= (int)((verticalSpacing * 0.5f) - 0.5f);
                            }


                            Rectangle2D.Float bounds = new Rectangle2D.Float(columnX, rowY,
                                columnWidth, rowHeight);
                            gridClip.subtract(new Area(bounds));
                        }
                    }


                    componentX += columnWidths[j] + horizontalSpacing;
                }

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            ClipRable clip = CSSUtilities.convertClipPath(child,
                                                          outlineNode,
                                                          ctx);
            if (clip != null) {
                Area area = new Area(outline);
                area.subtract(new Area(clip.getClipPath()));
                outline = area;
            }
            clipPath.add(new Area(outline));
        }
        if (!hasChildren) {

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                Rectangle selection = new Rectangle(x0, 0, x1 - x0, height);


                // Paint the unselected text
                Area unselectedArea = new Area();
                unselectedArea.add(new Area(new Rectangle(0, 0, width, height)));
                unselectedArea.subtract(new Area(selection));


                Graphics2D textGraphics = (Graphics2D)graphics.create();
                textGraphics.setColor(getEffectiveForegroundColor());
                textGraphics.clip(unselectedArea);
                textGraphics.drawGlyphVector(glyphVector, 0, ascent);

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            graphics.setPaint(titleColor);
            graphics.drawString(title, (int)titleBounds.getX(),
                (int)(titleBounds.getY() + titleAscent));


            Area titleClip = new Area(graphics.getClip());
            titleClip.subtract(new Area(titleBounds));
            graphics.clip(titleClip);
        }


        // Draw the border
        if (thickness > 0) {

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            ClipRable clip = CSSUtilities.convertClipPath(child,
                                                          outlineNode,
                                                          ctx);
            if (clip != null) {
                Area area = new Area(outline);
                area.subtract(new Area(clip.getClipPath()));
                outline = area;
            }
            clipPath.add(new Area(outline));
        }
        if (!hasChildren) {

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        g.drawImage(_image, xOffset, yOffset, null);


        int availableWidth = getWidth() - insets.left - insets.right;
        int availableHeight = getHeight() - insets.top - insets.bottom;
        Area area = new Area(new Rectangle(xOffset, yOffset, availableWidth, availableHeight));
        area.subtract(new Area(_rectangle));
        g.setColor(new Color(255, 255, 255, 128));
        g2d.fill(area);


        Color oldcolor = g.getColor();
        g.setColor(_selectionBorder);

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