108 lines
2.3 KiB
Java
108 lines
2.3 KiB
Java
package com.flaremicro.flaretv.visualforecast.graphics;
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import java.awt.Font;
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import java.awt.FontFormatException;
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import java.awt.Graphics;
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import java.awt.image.BufferedImage;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.URL;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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public class FontManager {
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private final Font baseFont;
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private static FontManager instance = null;
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private Map<URL, Integer> urlToFontMapping = new HashMap<URL, Integer>();
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private List<Font> fonts = new ArrayList<Font>();
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private FontManager() {
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BufferedImage bufferedImage = new BufferedImage(1, 1, BufferedImage.TYPE_BYTE_BINARY);
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Graphics g = bufferedImage.createGraphics();
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baseFont = g.getFont();
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g.dispose();
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}
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public static FontManager getInstance() {
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if (instance == null)
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{
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instance = new FontManager();
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}
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return instance;
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}
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public Font getFont(int fontId){
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if(fontId < 0 || fontId >= fonts.size())
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return baseFont;
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else return fonts.get(fontId);
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}
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public Font getFont(URL fontResource){
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Integer i = urlToFontMapping.get(fontResource);
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if(i == null)
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return baseFont;
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else return fonts.get(i);
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}
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public int getFontID(URL fontResource){
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Integer i = urlToFontMapping.get(fontResource);
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if(i == null)
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return -1;
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else return i;
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}
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public Font getOrCreateFont(int fontFormat, URL fontResource)
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{
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if(fontResource == null)
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return baseFont.deriveFont(Font.PLAIN);
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int i = getOrPrepareFont(fontFormat, fontResource);
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return fonts.get(i);
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}
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public int getOrPrepareFont(int fontFormat, URL fontResource)
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{
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Integer i = urlToFontMapping.get(fontResource);
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if(i == null)
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{
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Font f = baseFont.deriveFont(Font.PLAIN);
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if(fontResource == null)
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return -1;
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InputStream stream = null;
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try
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{
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stream = fontResource.openStream();
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f = Font.createFont(fontFormat, stream);
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}
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catch (IOException e)
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{
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e.printStackTrace();
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}
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catch (FontFormatException e)
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{
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e.printStackTrace();
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}
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finally{
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if(stream != null)
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try
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{
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stream.close();
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}
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catch (IOException e)
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{
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e.printStackTrace();
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}
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}
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synchronized(fonts)
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{
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i = fonts.size();
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fonts.add(f);
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urlToFontMapping.put(fontResource, i);
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}
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}
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return i;
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}
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}
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