| /* |
| * Copyright 2000-2013 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.openapi.wm.impl; |
| |
| import com.intellij.openapi.wm.ToolWindowAnchor; |
| import com.intellij.util.ui.UIUtil; |
| |
| import javax.swing.*; |
| import java.awt.*; |
| |
| /** |
| * @author Eugene Belyaev |
| */ |
| final class Surface extends JComponent { |
| private final Image myTopImage; |
| private final Image myBottomImage; |
| private final double myPixelsPerSec; |
| private final int myDirection; |
| private final ToolWindowAnchor myAnchor; |
| private int myOffset = 0; |
| |
| public Surface(final Image topImage, final Image bottomImage, final int direction, final ToolWindowAnchor anchor, final double pixelsPerSec) { |
| myTopImage = topImage; |
| myBottomImage = bottomImage; |
| myAnchor = anchor; |
| myDirection = direction; |
| myPixelsPerSec = pixelsPerSec; |
| setOpaque(true); |
| } |
| |
| public final void runMovement() { |
| if(!isShowing()){ |
| return; |
| } |
| final int distance; |
| final Rectangle bounds = getBounds(); |
| if (myAnchor == ToolWindowAnchor.LEFT || myAnchor == ToolWindowAnchor.RIGHT) { |
| distance = bounds.width; |
| } |
| else { |
| distance = bounds.height; |
| } |
| final double desiredTime = distance / myPixelsPerSec * 1000; |
| final long startTime = System.currentTimeMillis(); |
| int count = 0; |
| myOffset = 0; |
| |
| |
| while(true){ |
| paintImmediately(0,0,getWidth(),getHeight()); |
| final long timeSpent = System.currentTimeMillis() - startTime; |
| count++; |
| if (timeSpent >= desiredTime) break; |
| final double onePaintTime = (double)timeSpent / count; |
| int iterations = (int)((desiredTime - timeSpent) / onePaintTime); |
| iterations = Math.max(1, iterations); |
| myOffset += (distance - myOffset) / iterations; |
| } |
| } |
| |
| public final void paint(final Graphics g) { |
| final Rectangle bounds = getBounds(); |
| if (myAnchor == ToolWindowAnchor.LEFT) { |
| if (myDirection == 1) { |
| g.setClip(null); |
| g.clipRect(myOffset, 0, bounds.width - myOffset, bounds.height); |
| UIUtil.drawImage(g, myBottomImage, 0, 0, null); |
| g.setClip(null); |
| g.clipRect(0, 0, myOffset, bounds.height); |
| UIUtil.drawImage(g, myTopImage, myOffset - bounds.width, 0, null); |
| } |
| else { |
| g.setClip(null); |
| g.clipRect(bounds.width - myOffset, 0, myOffset, bounds.height); |
| UIUtil.drawImage(g, myBottomImage, 0, 0, null); |
| g.setClip(null); |
| g.clipRect(0, 0, bounds.width - myOffset, bounds.height); |
| UIUtil.drawImage(g, myTopImage, -myOffset, 0, null); |
| } |
| myTopImage.flush(); |
| } |
| else if (myAnchor == ToolWindowAnchor.RIGHT) { |
| if (myDirection == 1) { |
| g.setClip(null); |
| g.clipRect(0, 0, bounds.width - myOffset, bounds.height); |
| UIUtil.drawImage(g, myBottomImage, 0, 0, null); |
| g.setClip(null); |
| g.clipRect(bounds.width - myOffset, 0, myOffset, bounds.height); |
| UIUtil.drawImage(g, myTopImage, bounds.width - myOffset, 0, null); |
| } |
| else { |
| g.setClip(null); |
| g.clipRect(0, 0, myOffset, bounds.height); |
| UIUtil.drawImage(g, myBottomImage, 0, 0, null); |
| g.setClip(null); |
| g.clipRect(myOffset, 0, bounds.width - myOffset, bounds.height); |
| UIUtil.drawImage(g, myTopImage, myOffset, 0, null); |
| } |
| } |
| else if (myAnchor == ToolWindowAnchor.TOP) { |
| if (myDirection == 1) { |
| g.setClip(null); |
| g.clipRect(0, myOffset, bounds.width, bounds.height - myOffset); |
| UIUtil.drawImage(g, myBottomImage, 0, 0, null); |
| g.setClip(null); |
| g.clipRect(0, 0, bounds.width, myOffset); |
| UIUtil.drawImage(g, myTopImage, 0, -bounds.height + myOffset, null); |
| } |
| else { |
| g.setClip(null); |
| g.clipRect(0, bounds.height - myOffset, bounds.width, myOffset); |
| UIUtil.drawImage(g, myBottomImage, 0, 0, null); |
| g.setClip(null); |
| g.clipRect(0, 0, bounds.width, bounds.height - myOffset); |
| UIUtil.drawImage(g, myTopImage, 0, -myOffset, null); |
| } |
| } |
| else if (myAnchor == ToolWindowAnchor.BOTTOM) { |
| if (myDirection == 1) { |
| g.setClip(null); |
| g.clipRect(0, 0, bounds.width, bounds.height - myOffset); |
| UIUtil.drawImage(g, myBottomImage, 0, 0, null); |
| g.setClip(null); |
| g.clipRect(0, bounds.height - myOffset, bounds.width, myOffset); |
| UIUtil.drawImage(g, myTopImage, 0, bounds.height - myOffset, null); |
| } |
| else { |
| g.setClip(null); |
| g.clipRect(0, 0, bounds.width, myOffset); |
| UIUtil.drawImage(g, myBottomImage, 0, 0, null); |
| g.setClip(null); |
| g.clipRect(0, myOffset, bounds.width, bounds.height - myOffset); |
| UIUtil.drawImage(g, myTopImage, 0, myOffset, null); |
| } |
| } |
| } |
| } |