Example usage for org.apache.commons.lang IntHashMap IntHashMap

Introduction

In this page you can find the example usage for org.apache.commons.lang IntHashMap IntHashMap.

Prototype

public IntHashMap(int initialCapacity) 

Source Link

Document

Constructs a new, empty hashtable with the specified initial capacity and default load factor, which is 0.75.

Usage

From source file:net.sergetk.mobile.lcdui.BitmapFont.java

/**
 * Creates a new font from the resource. The capacity of the color cache defines maximum size of
 * the color cache./*from   ww  w  .ja  va 2s  . c om*/
 * 
 * @param fontPath
 *            the resource name
 * @param colorCacheCapacity
 *            the maximum color cache size
 */
public BitmapFont(String fontPath, int colorCacheCapacity) {
    this.style = Font.STYLE_PLAIN;
    this.currentColor = 0;
    this.colorCache = new CacheEntry[colorCacheCapacity];
    this.colorUsageCounts = new IntHashMap(colorCacheCapacity * 2);

    try {
        InputStream input = new Object().getClass().getResourceAsStream(fontPath);
        if (input == null) {
            throw new IOException();
        }

        DataInputStream data = new DataInputStream(input);

        int streamLen = data.available();

        this.fontFilePath = fontPath;

        this.version = data.readByte();
        this.height = data.readByte();
        this.baseline = data.readByte();
        this.xIndent = data.readByte();
        this.yIndent = data.readByte();
        this.spaceWidth = data.readByte();

        characterMap = data.readUTF();
        int count = characterMap.length();

        // read characters widthes
        this.widths = new int[count];
        this.x = new int[count];
        this.y = new int[count];

        for (int i = 0; i < count; i++) {
            widths[i] = data.readByte();
        }

        baseImage = null;

        // the original implementation supported multiple-images
        // in the font file, but this is not necessary. Because I do
        // not want to change the encoding, I am leaving this byte that
        // used to represent the number of PNGs in the file
        data.skipBytes(1);

        short pngLen = data.readShort();
        byte[] buffer = new byte[pngLen];

        data.read(buffer, 0, pngLen);
        this.pngOffset = (short) (streamLen - pngLen);
        baseImage = Image.createImage(buffer, 0, pngLen);
        currentImage = baseImage;

        // calculate characters coordinates
        int curX = 0, curY = 0;
        for (int i = 0; i < count; i++) {
            if (widths[i] < 0) {
                // negative width points to another character
                int sourceIndex = -widths[i];
                widths[i] = widths[sourceIndex];
                x[i] = x[sourceIndex];
                y[i] = y[sourceIndex];
            } else {
                x[i] = curX;
                y[i] = curY;
                curX += widths[i];
            }
        }

        if (defaultFont == null)
            defaultFont = this;
    } catch (IOException e) {
        // Log.warn("IOException reading font: ", e);
        System.err.println("IOException reading font: " + e.getMessage());
        e.printStackTrace();
    }
}

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