ポーカー シミュレーター/オッズ計算機を書きました。GUI にはJComboBox
、ユーザーがカードを選択できるいくつかの es があります。
今、これらのカードの画像があり、Base64 形式でもあります。それらを表示しようとした3つの異なる方法があります。デモンストレーション用に、それぞれに小さなプログラムを作成しました。
私が試した方法は以下の3つです。
1)。イメージを JAR ファイルに保存します。
かなり簡単です。イメージは JAR に入り、Java コードはそこからイメージを読み取ります。その後、JComboBox
それらすべてで を作成し、表示します。
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JComboBox;
import javax.swing.ImageIcon;
public class ImagesFromJAR
{
private JFrame mainframe;
public ImagesFromJAR ()
{
ImageIcon[] cardslist = new ImageIcon[52];
for (int i = 0; i < 52; ++i)
{
cardslist[i] = new ImageIcon (getClass (). getResource ((this.getImagePath (i))));
}
JComboBox cardsbox = new JComboBox (cardslist);
cardsbox.setSelectedIndex (0);
cardsbox.setEditable (false);
this.mainframe = new JFrame ();
this.mainframe.setDefaultCloseOperation (JFrame.DISPOSE_ON_CLOSE);
this.mainframe.setSize (150, 150);
this.mainframe.setLayout (null);
cardsbox.setBounds (20, 20, 55, 45);
this.mainframe.add (cardsbox);
this.mainframe.setVisible (true);
}
private String getImagePath (int index)
{
switch (index)
{
case 0: return "images/2c.gif";
case 1: return "images/3c.gif";
case 2: return "images/4c.gif";
case 3: return "images/5c.gif";
case 4: return "images/6c.gif";
case 5: return "images/7c.gif";
case 6: return "images/8c.gif";
case 7: return "images/9c.gif";
case 8: return "images/Tc.gif";
case 9: return "images/Jc.gif";
case 10: return "images/Qc.gif";
case 11: return "images/Kc.gif";
case 12: return "images/Ac.gif";
case 13: return "images/2d.gif";
case 14: return "images/3d.gif";
case 15: return "images/4d.gif";
......................................
default: return null;
}
}
public static void main (String[] args)
{
javax.swing.SwingUtilities.invokeLater (new Runnable ()
{
public void run ()
{
ImagesFromJAR t = new ImagesFromJAR ();
}
});
}
}
2)。画像を Base64 形式でテキスト ファイルに保存します。
各画像を Base64 形式に変換してから、テキスト ファイルに保存しました。Java コードはそのファイルを読み取り、ファイル内の行をデコードして画像を再作成します。その後、 aJComboBox
が作成されて表示されます。
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JComboBox;
import javax.swing.ImageIcon;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.FileInputStream;
import java.io.IOException;
public class CodeFromFile
{
private JFrame mainframe;
public CodeFromFile ()
{
ImageIcon[] cardslist = new ImageIcon[52];
InputStreamReader in = null;
BufferedReader buff;
int index = -1;
try
{
in = new InputStreamReader (new FileInputStream ("card.encodings.txt"));
buff = new BufferedReader (in);
String line;
byte[] ba;
while ((line = buff.readLine ()) != null)
{
if (line.length () < 10)
{
continue;
}
index++;
ba = Base64.decode (line);
cardslist[index] = new ImageIcon (ba);
}
}
catch (IOException e)
{
e.printStackTrace ();
}
finally
{
if (in != null)
{
try
{
in.close ();
}
catch (IOException e2) {}
}
}
JComboBox cardsbox = new JComboBox (cardslist);
cardsbox.setSelectedIndex (0);
cardsbox.setEditable (false);
this.mainframe = new JFrame ();
this.mainframe.setDefaultCloseOperation (JFrame.DISPOSE_ON_CLOSE);
this.mainframe.setSize (150, 150);
this.mainframe.setLayout (null);
cardsbox.setBounds (20, 20, 55, 45);
this.mainframe.add (cardsbox);
this.mainframe.setVisible (true);
}
public static void main (String[] args)
{
javax.swing.SwingUtilities.invokeLater (new Runnable ()
{
public void run ()
{
CodeFromFile t = new CodeFromFile ();
}
});
}
}
の内容は次のcard.encodings.txt
ようなものです。
2c:
R0lGODlhHgAmAMQAAAAAAP///+7u7t3d3czMzLu7u6qqqpmZmYiIiHd3d2ZmZlVVVURERDMzMyIiIhEREf///wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAABAALAAAAAAeACYAAAXKIAQBZGme6CmOQeu+cAwDrGzfLonvss7/LR/u8AA0CDuh7WB6CHBKGeOEgAJ2RdPCunNQuTIFwLE4lR+H3jWWSKEMsWgr6y4p4msYvTQ93Wd5LwgnCQd9JQV4NoNjBwIMAYwNcIo8ZVVJgTIJhwuYNnIubW6UlUA8oaemqjeprDmaMQN9DEhgN5MBBA5OtzIHtgEGAJ9qpwLEvjsDAImtsTcIkMo3Ag4DmUAMztSbaajQMAmfCdig4aInDt3pfuyvQTXwMyt19ikiIQA7
3c:
R0lGODlhHgAmAMQAAAAAAP///+7u7t3d3czMzLu7u6qqqpmZmYiIiHd3d2ZmZlVVVURERDMzMyIiIhEREf///wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAABAALAAAAAAeACYAAAXMIAQBZGme6CmOQeu+cAwDrGzfLonvss7/LR/u8AA0CDuh7WB6CHBKGeOEgAJ2RdPCunNQuTIFwLE4lR+H3jWWSKEMsWgr6y4p4msYvTQ93Wd5LwgnCQd9JQV4NoNjBwIMAYwNcIo8ZVVJgTIJhwuYNnIubW6UlUA8oaemqjeprDmaMowMA5k7B2kEDg22OJ+DT62xNwtbYDsDC5C9OAYkD6Wgw7JFSMKnzp9qqg/aq8gAidc3BQB3j3/jNgINJA3e26+tNfIzK3X4KSIhADs=
4c:
R0lGODlhHgAmALMAAAAAAP///+7u7szMzLu7u6qqqpmZmYiIiHd3d2ZmZlVVVURERDMzMyIiIhEREf///yH5BAEAAA8ALAAAAAAeACYAAATC8D1Aq734yhm6/2AIApxonh6FrqLKvp2LGg7ADKtsGpYjoDrR4nIAAlY1i8K4ahCZogSgobhUHYbWMYTIYAqhYCfprSTCWxC5MrycR+nP4YIwtCsEtGk+NQgWAXwMYHosVUU5cSIIdwqIJmIeXV6EhTAskZeWmieZnCmKJwkMmKEiBTalLAINDaSJLAkHDK9QJwWAtKonAgw/urAnCnkBwLYhBm/FtZ2mHQwZCMcoxs0w1ZDOIdhan0Al3iMbZeQZEhEAOw==
5c:
R0lGODlhHgAmALMAAAAAAP///+7u7szMzLu7u6qqqpmZmYiIiHd3d2ZmZlVVVURERDMzMyIiIhEREf///yH5BAEAAA8ALAAAAAAeACYAAATA8D1Aq734yhm6/2AIApxonh6FrqLKvp2LGg7ADKtsGpYjoDrR4nIAAlY1i8K4ahCZogSgobhUHYbWMYTIYAqhYCfprSTCWxC5MrycR+nP4YIwtCsEtGk+NQgWAXwMYHosVUU5cSIIdwqIJmIeXV6EhTAskZeWmieZnCmKJgwVS52hIQQWWaaGj4krAwAOCD+vKFIUDpWQpyEHQz5QL12umywMpbyaCAjCLzfOizgBjrYnbQu7yp+dJdwjG2XiGRIRADs=
..そして、すべての画像/カードに続きます。
3)。3 番目の方法は、イメージを Base64 としてString
ソース コードに直接格納することです。このような:
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JComboBox;
import javax.swing.ImageIcon;
public class CodeFromSource
{
private JFrame mainframe;
public CodeFromSource ()
{
ImageIcon[] cardslist = new ImageIcon[52];
byte[] ba;
for (int i = 0; i < 52; ++i)
{
ba = Base64.decode (this.getImageCode (i));
cardslist[i] = new ImageIcon (ba);
}
JComboBox cardsbox = new JComboBox (cardslist);
cardsbox.setSelectedIndex (0);
cardsbox.setEditable (false);
this.mainframe = new JFrame ();
this.mainframe.setDefaultCloseOperation (JFrame.DISPOSE_ON_CLOSE);
this.mainframe.setSize (150, 150);
this.mainframe.setLayout (null);
cardsbox.setBounds (20, 20, 55, 45);
this.mainframe.add (cardsbox);
this.mainframe.setVisible (true);
}
private String getImageCode (int index)
{
switch (index)
{
case 0: return "R0lGODlhHgAmAMQAAAAAAP///+7u7t3d3czMzLu7u6qqqpmZmYiIiHd3d2ZmZlVVVURERDMzMyIiIhEREf///wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAABAALAAAAAAeACYAAAXKIAQBZGme6CmOQeu+cAwDrGzfLonvss7/LR/u8AA0CDuh7WB6CHBKGeOEgAJ2RdPCunNQuTIFwLE4lR+H3jWWSKEMsWgr6y4p4msYvTQ93Wd5LwgnCQd9JQV4NoNjBwIMAYwNcIo8ZVVJgTIJhwuYNnIubW6UlUA8oaemqjeprDmaMQN9DEhgN5MBBA5OtzIHtgEGAJ9qpwLEvjsDAImtsTcIkMo3Ag4DmUAMztSbaajQMAmfCdig4aInDt3pfuyvQTXwMyt19ikiIQA7";
case 1: return "R0lGODlhHgAmAMQAAAAAAP///+7u7t3d3czMzLu7u6qqqpmZmYiIiHd3d2ZmZlVVVURERDMzMyIiIhEREf///wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAABAALAAAAAAeACYAAAXMIAQBZGme6CmOQeu+cAwDrGzfLonvss7/LR/u8AA0CDuh7WB6CHBKGeOEgAJ2RdPCunNQuTIFwLE4lR+H3jWWSKEMsWgr6y4p4msYvTQ93Wd5LwgnCQd9JQV4NoNjBwIMAYwNcIo8ZVVJgTIJhwuYNnIubW6UlUA8oaemqjeprDmaMowMA5k7B2kEDg22OJ+DT62xNwtbYDsDC5C9OAYkD6Wgw7JFSMKnzp9qqg/aq8gAidc3BQB3j3/jNgINJA3e26+tNfIzK3X4KSIhADs=";
case 2: return "R0lGODlhHgAmALMAAAAAAP///+7u7szMzLu7u6qqqpmZmYiIiHd3d2ZmZlVVVURERDMzMyIiIhEREf///yH5BAEAAA8ALAAAAAAeACYAAATC8D1Aq734yhm6/2AIApxonh6FrqLKvp2LGg7ADKtsGpYjoDrR4nIAAlY1i8K4ahCZogSgobhUHYbWMYTIYAqhYCfprSTCWxC5MrycR+nP4YIwtCsEtGk+NQgWAXwMYHosVUU5cSIIdwqIJmIeXV6EhTAskZeWmieZnCmKJwkMmKEiBTalLAINDaSJLAkHDK9QJwWAtKonAgw/urAnCnkBwLYhBm/FtZ2mHQwZCMcoxs0w1ZDOIdhan0Al3iMbZeQZEhEAOw==";
case 3: return "R0lGODlhHgAmALMAAAAAAP///+7u7szMzLu7u6qqqpmZmYiIiHd3d2ZmZlVVVURERDMzMyIiIhEREf///yH5BAEAAA8ALAAAAAAeACYAAATA8D1Aq734yhm6/2AIApxonh6FrqLKvp2LGg7ADKtsGpYjoDrR4nIAAlY1i8K4ahCZogSgobhUHYbWMYTIYAqhYCfprSTCWxC5MrycR+nP4YIwtCsEtGk+NQgWAXwMYHosVUU5cSIIdwqIJmIeXV6EhTAskZeWmieZnCmKJgwVS52hIQQWWaaGj4krAwAOCD+vKFIUDpWQpyEHQz5QL12umywMpbyaCAjCLzfOizgBjrYnbQu7yp+dJdwjG2XiGRIRADs=";
case 4: return "R0lGODlhHgAmAMQAAAAAAP///+7u7t3d3czMzLu7u6qqqpmZmYiIiHd3d2ZmZlVVVURERDMzMyIiIhEREf///wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAABAALAAAAAAeACYAAAXZIAQBZGme6CmOQeu+cAwDrGzfLonvss7/LR/u8AA0CDuh7WB6CHBKGeOEgAJ2RdPCunNQuTIFwLE4lR+H3jWWSKEMsWgr6y4p4msYvTQ93Wd5LwgnCQd9JQV4NoNjBwIMAYwNcIo8ZVVJgTIJhwuYNnIubW6UlUA8oaemqjeprDmaNwNiAE+gsTJMDKW3PExpqLgvAw+fmTsLD6MMtr04DwxITA1gNgQAn2KJztbYLky8gDgD3i0GANtqOw0O3w/VNgUAdwQOwNw3Bl5ox6+tNf5mrKhDMIWIEAA7";
case 5: return "R0lGODlhHgAmAMQAAAAAAP///+7u7t3d3czMzLu7u6qqqpmZmYiIiHd3d2ZmZlVVVURERDMzMyIiIhEREf///wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAABAALAAAAAAeACYAAAXGIAQBZGme6CmOQeu+cAwDrGzfLonvss7/LR/u8AA0CDuh7WB6CHBKGeOEgAJ2RdPCunNQuTIFwLE4lR+H3jWWSKEMsWgr6y4p4msYvTQ93Wd5LwgnCQd9JQV4NoNjBwIMAYwNcIo8ZVVJgTIJhwuYNnIubW6UlUA8oaemqjeprDmaMUwniaCxMIckD2A2j08tCX+2OAO/LQ61w0AFDpmnCgnOQA5IvDsGDai3YZ+t2zEPA9o/hj+uLwtp46+tNewzK3XyKSIhADs=";
case 6: return "R0lGODlhHgAmAMQAAAAAAP///+7u7t3d3czMzLu7u6qqqpmZmYiIiHd3d2ZmZlVVVURERDMzMyIiIhEREf///wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAABAALAAAAAAeACYAAAXYIAQBZGme6CmOQeu+cAwDrGzfLonvss7/LR/u8AA0CDuh7WB6CHBKGeOEgAJ2RdPCunNQuTIFwLE4lR+H3jWWSKEMsWgr6y4p4msYvTQ93Wd5LwgnCQd9JQV4NoNjBwIMAYwNcIo8ZVVJgTIJhwuYNnIubW6UlUA8oaemqjeprDmaMowPn6CxMG1wBLRgNw4NLguQrbcvDE4tDAm9S0YDCMPEPIxbmTwGC161ajsGDskA24BdfwHHzDECAOUID+gxCw9wAg3l3DtiJOLjr601/TNW1BmYQkQIADs=";
case 7: return "R0lGODlhHgAmAMQAAAAAAP///+7u7t3d3czMzLu7u6qqqpmZmYiIiHd3d2ZmZlVVVURERDMzMyIiIhEREf///wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAABAALAAAAAAeACYAAAXZIAQBZGme6CmOQeu+cAwDrGzfLonvss7/LR/u8AA0CDuh7WB6CHBKGeOEgAJ2RdPCunNQuTIFwLE4lR+H3jWWSKEMsWgr6y4p4msYvTQ93Wd5LwgnCQd9JQV4NoNjBwIMAYwNcIo8ZVVJgTIJhwuYNnIubW6UlUA8oaemqjeprDmaMghFk5k7CA4DAWJIrbF6aS0OkL44BQClbbqgvy4GyC6DvWrGAH+RANOrMg3QBAwPYDePJLhbxUAGD8vMQAQOn+07A23B4jICJArs969xNf5mrKhDMIWIEAA7";
case 8: return "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";
case 9: return "R0lGODlhHgAmALMAAAAAAP///+7u7szMzLu7u6qqqpmZmYiIiHd3d2ZmZlVVVURERDMzMyIiIhEREf///yH5BAEAAA8ALAAAAAAeACYAAAS38D1Aq734yhm6/2AIApxonh6FrqLKvp2LGg7ADKtsGpYjoDrR4nIAAlY1i8K4ahCZogSgobhUHYbWMYTIYAqhYCfprSTCWxC5MrycR+nP4YIwtCsEtGk+NQgWAXwMYHosVUU5cSIIdwqIJmIeXV6EhTAskZeWmieZnCmKIQM9iS9deaUsczipK6uYoSKvrSizUK4ArLe1ubAvtp2xIQcOL54BVQQIb7TDFEvGwp8xJdMjG2XZGRIRADs=";
case 10: return "R0lGODlhHgAmAMQAAAAAAP///+7u7t3d3czMzLu7u6qqqpmZmYiIiHd3d2ZmZlVVVURERDMzMyIiIhEREf///wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAABAALAAAAAAeACYAAAXvIAQBZGme6CmOQeu+cAwDrGzfLonvss7/LR/u8AA0CDuh7WB6CHBKGeOEgAJ2RdPCunNQuTIFwLE4lR+H3jWWSKEMsWgr6y4p4msYvTQ93Wd5LwgnCQd9JQV4NoNjBwIMAYwNcIo8ZVVJgTIJhwuYNnIubW6UlUA8oaemNgRlJAtIN6ktg38Cl7KaL0wJMGWlgDcOTjAEY6C6LQVGMl6Jq4IAWzENAMA5yZHSMtXXQdkGzDHOajdFAzADx+WLAH8uYmnsNmXTtwC9yDsHXiQN8vp4MPoUkAeBKQwAQttBIIEXbwFoZFMVZEWdiylEhAAAOw==";
case 11: return "R0lGODlhHgAmAMQAAAAAAP///+7u7t3d3czMzLu7u6qqqpmZmYiIiHd3d2ZmZlVVVURERDMzMyIiIhEREf///wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAABAALAAAAAAeACYAAAXgIAQBZGme6CmOQeu+cAwDrGzfLonvss7/LR/u8AA0CDuh7WB6CHBKGeOEgAJ2RdPCunNQuTIFwLE4lR+H3jWWSKEMsWgr6y4p4msYvTQ93Wd5LwgnCQd9JQV4NoNjBwIMAYwNcIo8ZVVJgTIJhwuYNnIubW6UlUA8oaemqjeprDmaLmUlcA0lDaCxLgMAkC4Nk626LQIAWy0IvsI3xccKCajDAc2PadHMRmRArsUMU8pgMs0BUw0DmdjHgw5IyzbjLUwA7Wo3vOBl4IA2syRwoyQe1HvVqgbBGSvqKEwhIgQAOw==";
case 12: return "R0lGODlhHgAmALMAAAAAAP///+7u7szMzLu7u6qqqpmZmYiIiHd3d2ZmZlVVVURERDMzMyIiIhEREf///yH5BAEAAA8ALAAAAAAeACYAAATR8D1Aq734yhm6/2AIApxonh6FrqLKvp2LGg7ADKtsGpYjoDrR4nIAAlY1i8K4ahCZogSgobhUHYbWMYTIYAqhYCfprSTCWxC5MrycR+nP4YIwtCsEtGk+NQgWAXwMYHosVUU5cSIIdwqIJmIeXV6EhTAskZeWmieZnCmKJgMAeYkvVW9QKAIODD6mKwcIc4+QoSENA6wMsCcFgAFVOJ23H4MdBQAIqiKjFw3MIQm1XZWbIKw/HqNLticL3cYAtR+ZSQ4fZLzXnyMl7e4SZfMZEhEAOw==";
case 13: return "R0lGODlhHgAmAMQAAAAAAP////8AAP8REf8iIv8zM/9ERP9VVf9mZv93d/+IiP+Zmf+qqv+7u//MzP/d3f/u7v///wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAABEALAAAAAAeACYAAAW/YBQBZGme6CmOQeu+cAwDrGzfLonvss4HiJ9vtxAkeMMbhCAQNHZJm6EpIEBw0ZiC2gzesq8Gl7r4ApTMcfPZO9sOairBBm4t40662yZWK8w7W1wGWHs3U01WhTx3eYs8DAJejzwJV1CGP5iamnWcM5kxD4gGDps4BQwBDgQDl3o4C6YtkX+AmhACtrCaD468PwqElDtLD6c8BmzENwllSKExCbsJx8A2CWNzt9hqk22f0OFQNeMxNCIp6uskIiEAOw==";
.........
default: return null;
}
}
public static void main (String[] args)
{
javax.swing.SwingUtilities.invokeLater (new Runnable ()
{
public void run ()
{
CodeFromSource t = new CodeFromSource ();
}
});
}
}
(StackOverflow には 30 K 文字の制限があるため、いくつかの switch ケースを削除する必要がありました)
これらの各メソッドは、次のような同じ結果を生成します。
PS: Base64 クラスは、Base64 情報をエンコード/デコードする単なるユーティリティ クラスです (以下のリンクで見つけることができます)。
このためのすべてのリソース (画像、ソース コードなど) が必要な場合は、ここから入手できます:リソース
それを片付けたので...私が知りたいのは、これら3つの方法のどれが優れているかを知ることです. それぞれの長所と短所は何ですか? どちらを使用すればよいですか? なんで ?また、JAR ファイルが破損する可能性についても話しています。
私が気にしないのはパフォーマンスだけです。