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      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.hierarchyviewer.ui;
     18 
     19 import com.android.hierarchyviewer.scene.ViewNode;
     20 
     21 import javax.swing.*;
     22 import java.awt.*;
     23 
     24 class CaptureRenderer extends JLabel {
     25     private ViewNode node;
     26     private boolean showExtras;
     27 
     28     CaptureRenderer(ImageIcon icon, ViewNode node) {
     29         super(icon);
     30         this.node = node;
     31         setBackground(Color.BLACK);
     32     }
     33 
     34     @Override
     35     public Dimension getPreferredSize() {
     36         Dimension d = super.getPreferredSize();
     37 
     38         if (node.hasMargins) {
     39             d.width += node.marginLeft + node.marginRight;
     40             d.height += node.marginTop + node.marginBottom;
     41         }
     42 
     43         return d;
     44     }
     45 
     46     public void setShowExtras(boolean showExtras) {
     47         this.showExtras = showExtras;
     48         repaint();
     49     }
     50 
     51     @Override
     52     protected void paintComponent(Graphics g) {
     53         Icon icon = getIcon();
     54         int width = icon.getIconWidth();
     55         int height = icon.getIconHeight();
     56 
     57         int x = (getWidth() - width) / 2;
     58         int y = (getHeight() - height) / 2;
     59 
     60         icon.paintIcon(this, g, x, y);
     61 
     62         if (showExtras) {
     63             g.translate(x, y);
     64             g.setXORMode(Color.WHITE);
     65             if ((node.paddingBottom | node.paddingLeft |
     66                     node.paddingTop | node.paddingRight) != 0) {
     67                 g.setColor(Color.RED);
     68                 g.drawRect(node.paddingLeft, node.paddingTop,
     69                         width - node.paddingRight - node.paddingLeft,
     70                         height - node.paddingBottom - node.paddingTop);
     71             }
     72             if (node.baseline != -1) {
     73                 g.setColor(Color.BLUE);
     74                 g.drawLine(0, node.baseline, width, node.baseline);
     75             }
     76             if (node.hasMargins && (node.marginLeft | node.marginBottom |
     77                     node.marginRight | node.marginRight) != 0) {
     78                 g.setColor(Color.BLACK);
     79                 g.drawRect(-node.marginLeft, -node.marginTop,
     80                         node.marginLeft + width + node.marginRight,
     81                         node.marginTop + height + node.marginBottom);
     82             }
     83             g.translate(-x, -y);
     84         }
     85     }
     86 }
     87