Mercurial > hg > ristipolku

annotate game/IDMButton.java @ 169:32b1c41e194a

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Implement smooth scaling of buttons.
author Matti Hamalainen <ccr@tnsp.org>
date Thu, 02 Mar 2017 14:18:21 +0200
parents dda7152d2402
children 981a8e20b363
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1 /*
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2 * Ristipolku IDM button widget
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3 * (C) Copyright 2011 Matti 'ccr' Hämäläinen <ccr@tnsp.org>
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4 */
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5 package game;
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6
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7 import java.awt.*;
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8 import java.awt.event.*;
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9 import java.awt.image.*;
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10 import java.awt.geom.*;
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11 import javax.imageio.*;
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12 import java.io.*;
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13
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14
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15 public class IDMButton extends IDMWidget
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16 {
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17 enum State { FOCUSED, PRESSED, NORMAL }
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18 State state;
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19 static BufferedImage imgOrigUnpressed, imgOrigPressed;
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20 static BufferedImage imgUnpressed, imgPressed;
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21 Font font;
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22 FontMetrics metrics;
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23 String text;
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24 boolean active;
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25
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26 public IDMButton(IDMPoint pos, int keyCode, Font font, String text)
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27 {
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28 super(pos);
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29 loadImages();
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30 setSize(imgOrigUnpressed.getWidth(), imgOrigUnpressed.getHeight());
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31 setScale(1, 1);
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32
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33 this.font = font;
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34 this.keyCode = keyCode;
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35 this.text = text;
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36
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37 state = State.NORMAL;
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38 active = false;
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39 }
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41 public IDMButton(float x, float y, int keyCode, Font font, String text)
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42 {
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43 this(new IDMPoint(x, y), keyCode, font, text);
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44 }
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45
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46 private static void loadImages()
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47 {
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48 if (imgUnpressed != null && imgPressed != null)
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49 return;
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51 try
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52 {
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53 ResourceLoader res = new ResourceLoader("graphics/button1_up.png");
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54 imgOrigUnpressed = ImageIO.read(res.getStream());
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56 res = new ResourceLoader("graphics/button1_down.png");
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57 imgOrigPressed = ImageIO.read(res.getStream());
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58 }
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59 catch (IOException e)
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60 {
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61 System.out.print(e.getMessage());
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62 }
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63 }
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64
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65 public BufferedImage scaleImage(BufferedImage src)
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66 {
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67 BufferedImage dst = new BufferedImage(getScaledWidth(), getScaledHeight(), BufferedImage.TYPE_INT_ARGB);
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68 Graphics2D gimg = dst.createGraphics();
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69
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70 gimg.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
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71 RenderingHints.VALUE_INTERPOLATION_BICUBIC);
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72
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73 gimg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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74 RenderingHints.VALUE_ANTIALIAS_ON);
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76 gimg.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
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77 RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
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78
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79 gimg.drawImage(src, 0, 0, getScaledWidth(), getScaledHeight(), null);
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80 return dst;
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81 }
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82
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83 public void setScale(IDMPoint scale)
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84 {
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85 super.setScale(scale);
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86 imgPressed = scaleImage(imgOrigPressed);
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87 imgUnpressed = scaleImage(imgOrigUnpressed);
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88 }
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89
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90 public void paint(Graphics2D g)
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91 {
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92 BufferedImage img;
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93 int xoffs, yoffs;
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94
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95 if (state == State.PRESSED)
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96 {
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97 img = imgPressed;
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98 xoffs = yoffs = 5;
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99 }
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100 else
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101 {
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102 xoffs = yoffs = 0;
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103 img = imgUnpressed;
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104 }
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105
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106 if (metrics == null)
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107 metrics = g.getFontMetrics(font);
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108
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109 int textWidth = metrics.stringWidth(text);
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110 g.drawImage(img, getScaledX() + xoffs, getScaledY() + yoffs, null);
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111 g.setFont(font);
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112 g.setPaint(Color.black);
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113 g.drawString(text,
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114 getScaledX() + xoffs + (getScaledWidth() - textWidth) / 2,
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115 getScaledY() + yoffs + getScaledHeight() / 2);
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116 }
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118
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119 public boolean mousePressed(MouseEvent e)
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120 {
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121 state = State.PRESSED;
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122 active = true;
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123 return true;
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124 }
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125
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126 public boolean mouseReleased(MouseEvent e)
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127 {
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128 boolean oldActive = active;
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129 super.mouseReleased(e);
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130 state = State.NORMAL;
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131 active = false;
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132 return oldActive;
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133 }
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134
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135 public boolean mouseEntered(MouseEvent e)
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136 {
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137 if (active)
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138 {
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139 state = State.PRESSED;
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140 return true;
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141 }
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142 else
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143 return false;
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144 }
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145
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146 public boolean mouseExited(MouseEvent e)
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147 {
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148 if (active)
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149 {
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150 state = State.NORMAL;
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151 return true;
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152 }
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153 else
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154 return false;
49
e6da5c71be28 Add more code to IDM widgets, do preliminary work for integrating them.
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parents:
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155 }
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156 }