| /* |
| * Copyright 2000-2012 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.ui.tabs.impl; |
| |
| import javax.swing.*; |
| import javax.swing.border.EmptyBorder; |
| import java.awt.*; |
| import java.awt.geom.GeneralPath; |
| import java.awt.geom.Line2D; |
| |
| public abstract class ShapeTransform { |
| |
| protected GeneralPath myPath = new GeneralPath(); |
| |
| private Rectangle myShapeRect; |
| |
| private final int myXTransform; |
| private final int myYTransform; |
| private final boolean mySwap; |
| |
| protected ShapeTransform(Rectangle shapeRect, int xTransform, int yTransform, boolean swap) { |
| myShapeRect = shapeRect; |
| myXTransform = xTransform; |
| myYTransform = yTransform; |
| mySwap = swap; |
| } |
| |
| protected final Rectangle getShapeRect() { |
| return myShapeRect; |
| } |
| |
| public abstract int getX(); |
| |
| public abstract int getY(); |
| |
| public abstract int getMaxX(); |
| |
| public abstract int getMaxY(); |
| |
| public final int deltaX(int deltaX) { |
| return deltaX * myXTransform; |
| } |
| |
| public final int deltaY(int deltaY) { |
| return deltaY * myYTransform; |
| } |
| |
| public final <T> T transformY1(T o1, T o2) { |
| return (mySwap ? myXTransform : myYTransform) == 1 ? o1: o2; |
| } |
| |
| public abstract Insets transformInsets(Insets insets); |
| |
| public abstract Line2D.Float transformLine(int x1, int y1, int x2, int y2); |
| |
| public abstract ShapeTransform createTransform(Rectangle innerRec); |
| |
| public abstract ShapeTransform copy(); |
| |
| public final int getWidth() { |
| return Math.abs(getMaxX() - getX()); |
| } |
| |
| public final int getHeight() { |
| return Math.abs(getMaxY() - getY()); |
| } |
| |
| public final ShapeTransform moveTo(int x, int y) { |
| if (mySwap) { |
| //noinspection SuspiciousNameCombination |
| myPath.moveTo(y, x); |
| } else { |
| myPath.moveTo(x, y); |
| } |
| |
| return this; |
| } |
| |
| public final ShapeTransform quadTo(int x1, int y1, int x2, int y2) { |
| if (mySwap) { |
| //noinspection SuspiciousNameCombination |
| myPath.quadTo(y1, x1, y2, x2); |
| } else { |
| myPath.quadTo(x1, y1, x2, y2); |
| } |
| |
| return this; |
| } |
| |
| public final ShapeTransform lineTo(int x, int y) { |
| if (mySwap) { |
| //noinspection SuspiciousNameCombination |
| myPath.lineTo(y, x); |
| } else { |
| myPath.lineTo(x, y); |
| } |
| |
| return this; |
| } |
| |
| public final GeneralPath getShape() { |
| return myPath; |
| } |
| |
| public final ShapeTransform reset() { |
| return reset(null); |
| } |
| |
| protected final ShapeTransform reset(Rectangle shapeRec) { |
| myPath = new GeneralPath(); |
| if (shapeRec != null) { |
| myShapeRect = shapeRec; |
| } |
| |
| return this; |
| } |
| |
| public final ShapeTransform closePath() { |
| myPath.closePath(); |
| return this; |
| } |
| |
| public final ShapeTransform doRect(int x, int y, int width, int height) { |
| if (width <= 0 || height <= 0) return this; |
| return moveTo(x, y).lineTo(x + deltaX(width), y).lineTo(x + deltaX(width), y + deltaY(height)).lineTo(x, y + deltaY(height)).closePath(); |
| } |
| |
| public static class Top extends ShapeTransform { |
| |
| public Top() { |
| this(null); |
| } |
| |
| public Top(Rectangle shapeRect) { |
| this(shapeRect, new GeneralPath()); |
| } |
| |
| public Top(Rectangle shapeRect, GeneralPath path) { |
| super(shapeRect, 1, 1, false); |
| myPath = path; |
| } |
| |
| public int getX() { |
| return getShapeRect().x; |
| } |
| |
| public int getY() { |
| return getShapeRect().y; |
| } |
| |
| public int getMaxX() { |
| return (int)getShapeRect().getMaxX(); |
| } |
| |
| public int getMaxY() { |
| return (int)getShapeRect().getMaxY(); |
| } |
| |
| |
| @Override |
| public ShapeTransform createTransform(Rectangle innerRec) { |
| return new Top(innerRec); |
| } |
| |
| @Override |
| public Insets transformInsets(Insets insets) { |
| return new Insets(insets.top, insets.left, insets.bottom, insets.right); |
| } |
| |
| @Override |
| public Line2D.Float transformLine(int x1, int y1, int x2, int y2) { |
| return new Line2D.Float(x1, y1, x2, y2); |
| } |
| |
| public ShapeTransform copy() { |
| return new Top((Rectangle)getShapeRect().clone(), (GeneralPath)myPath.clone()); |
| } |
| } |
| |
| public static class Left extends ShapeTransform { |
| public Left() { |
| this(null); |
| } |
| |
| public Left(Rectangle shapeRect) { |
| this(shapeRect, new GeneralPath()); |
| } |
| |
| public Left(Rectangle shapeRect, GeneralPath path) { |
| super(shapeRect, 1, 1, true); |
| myPath = path; |
| } |
| |
| public int getX() { |
| return getShapeRect().y; |
| } |
| |
| public int getY() { |
| return getShapeRect().x; |
| } |
| |
| public int getMaxX() { |
| return (int)getShapeRect().getMaxY(); |
| } |
| |
| public int getMaxY() { |
| return (int)getShapeRect().getMaxX(); |
| } |
| |
| @Override |
| public ShapeTransform createTransform(Rectangle innerRec) { |
| return new Left(innerRec); |
| } |
| |
| @Override |
| public Line2D.Float transformLine(int x1, int y1, int x2, int y2) { |
| return new Line2D.Float(y1, x1, y2, x2); |
| } |
| |
| @Override |
| public Insets transformInsets(Insets insets) { |
| return new Insets(insets.left, insets.top, insets.right, insets.bottom); |
| } |
| |
| public ShapeTransform copy() { |
| return new Left((Rectangle)getShapeRect().clone(), (GeneralPath)myPath.clone()); |
| } |
| } |
| |
| public static class Bottom extends ShapeTransform { |
| public Bottom(Rectangle shapeRect, GeneralPath path) { |
| super(shapeRect, 1, -1, false); |
| myPath = path; |
| } |
| |
| public Bottom(Rectangle shapeRect) { |
| this(shapeRect, new GeneralPath()); |
| } |
| |
| public Bottom() { |
| this(null); |
| } |
| |
| public int getX() { |
| return getShapeRect().x; |
| } |
| |
| public int getY() { |
| return (int)getShapeRect().getMaxY(); |
| } |
| |
| public int getMaxX() { |
| return (int)getShapeRect().getMaxX(); |
| } |
| |
| public int getMaxY() { |
| return getShapeRect().y; |
| } |
| |
| public ShapeTransform copy() { |
| return new Bottom((Rectangle)getShapeRect().clone(), (GeneralPath)myPath.clone()); |
| } |
| |
| @Override |
| public ShapeTransform createTransform(Rectangle innerRec) { |
| return new Bottom(innerRec); |
| } |
| |
| @Override |
| public Insets transformInsets(Insets insets) { |
| return new Insets(insets.bottom, insets.right, insets.top, insets.left); |
| } |
| |
| @Override |
| public Line2D.Float transformLine(int x1, int y1, int x2, int y2) { |
| return new Line2D.Float(x2, |
| Math.abs(y2), |
| x1, |
| Math.abs(y1)); |
| } |
| } |
| |
| |
| public static class Right extends ShapeTransform { |
| public Right(Rectangle shapeRect, GeneralPath path) { |
| super(shapeRect, 1, -1, true); |
| myPath = path; |
| } |
| |
| public Right(Rectangle rec) { |
| this(rec, new GeneralPath()); |
| } |
| |
| public Right() { |
| this(null); |
| } |
| |
| public int getX() { |
| return getShapeRect().y; |
| } |
| |
| public int getY() { |
| return (int)getShapeRect().getMaxX(); |
| } |
| |
| public int getMaxX() { |
| return (int)getShapeRect().getMaxY(); |
| } |
| |
| public int getMaxY() { |
| return getShapeRect().x; |
| } |
| |
| public ShapeTransform copy() { |
| return new Right((Rectangle)getShapeRect().clone(), (GeneralPath)myPath.clone()); |
| } |
| |
| @Override |
| public Insets transformInsets(Insets insets) { |
| return new Insets(insets.right, insets.top, insets.left, insets.bottom); |
| } |
| |
| @Override |
| public ShapeTransform createTransform(Rectangle innerRec) { |
| return new Right(innerRec); |
| } |
| |
| public Line2D.Float transformLine(int x1, int y1, int x2, int y2) { |
| return new Line2D.Float(y1, x1, y2, x2); |
| } |
| } |
| |
| |
| } |