Image String Drawer : Drawer « UI « Android






Image String Drawer

  
//package com.akjava.lib.android.opengl;

import javax.microedition.khronos.opengles.GL10;
import javax.microedition.khronos.opengles.GL11;
import javax.microedition.khronos.opengles.GL11Ext;

public class ImageStringDrawer {
  private int textureId;
  private int baseSize = 16;// ??
  public float fontMargin = 0.5f;// ???

  public static final float[] color_white = { 1, 1, 1, 1 };
  public static final float[] color_black = { 0, 0, 0, 1 };
  public static final float[] color_red = { 1, 0, 0, 1 };

  public static final String FPS_LABEL = "FPS:";

  public static final char[] numbers = { '0', '1', '2', '3', '4', '5', '6',
      '7', '8', '9' };

  /*
   * ???? ???????????????
   */
  public ImageStringDrawer(int textureId) {
    this.textureId = textureId;
    getImageFontRec_return = new int[] { 0, 0, baseSize, baseSize };
  }

  public ImageStringDrawer(int textureId, int baseSize) {
    this.textureId = textureId;
    this.baseSize = baseSize;
    getImageFontRec_return = new int[] { 0, 0, baseSize, baseSize * 2 };
  }

  int dx;
  int dy;
  char ch;
  int i;

  public int getStringWidth(StringBuffer text, final int fontSize,
      final float marginPersent) {
    return (int) (text.length() * fontSize * marginPersent) + fontSize / 2;
  }

  public synchronized void drawString(final GL10 gl, final StringBuffer text,
      final int startX, final int startY, final int fontSize,
      final float marginPersent) {
    dy = startY;
    dx = startX;
    gl.glBindTexture(GL10.GL_TEXTURE_2D, textureId);
    for (i = 0; i < text.length(); i++) {
      ch = text.charAt(i);

      // gl.glDisable(GL10.GL_BLEND);
      ((GL11) gl).glTexParameteriv(GL10.GL_TEXTURE_2D,
          GL11Ext.GL_TEXTURE_CROP_RECT_OES, getImageFontRec(ch), 0);
      ((GL11Ext) gl).glDrawTexiOES(dx, dy, 0, fontSize, fontSize * 2);
      dx += fontSize * marginPersent;// *marginPersent;
      // gl.glEnable(GL10.GL_BLEND);
    }
  }

  public synchronized void drawFpsString(final GL10 gl, final int fps,
      final int startX, final int startY, final int fontSize,
      final float marginPersent) {
    dy = startY;
    dx = startX;
    gl.glBindTexture(GL10.GL_TEXTURE_2D, textureId);
    for (i = 0; i < FPS_LABEL.length(); i++) {
      ch = FPS_LABEL.charAt(i);
      ((GL11) gl).glTexParameteriv(GL10.GL_TEXTURE_2D,
          GL11Ext.GL_TEXTURE_CROP_RECT_OES, getImageFontRec(ch), 0);
      ((GL11Ext) gl).glDrawTexiOES(dx, dy, 0, fontSize, fontSize * 2);
      dx += fontSize * marginPersent;
    }

    ((GL11) gl).glTexParameteriv(GL10.GL_TEXTURE_2D,
        GL11Ext.GL_TEXTURE_CROP_RECT_OES,
        getImageFontRec(numbers[fps / 100]), 0);
    ((GL11Ext) gl).glDrawTexiOES(dx, dy, 0, fontSize, fontSize * 2);
    dx += fontSize * marginPersent;

    ((GL11) gl).glTexParameteriv(GL10.GL_TEXTURE_2D,
        GL11Ext.GL_TEXTURE_CROP_RECT_OES,
        getImageFontRec(numbers[fps % 100 / 10]), 0);
    ((GL11Ext) gl).glDrawTexiOES(dx, dy, 0, fontSize, fontSize * 2);
    dx += fontSize * marginPersent;

    ((GL11) gl).glTexParameteriv(GL10.GL_TEXTURE_2D,
        GL11Ext.GL_TEXTURE_CROP_RECT_OES,
        getImageFontRec(numbers[fps % 10]), 0);
    ((GL11Ext) gl).glDrawTexiOES(dx, dy, 0, fontSize, fontSize * 2);

  }

  public synchronized void drawString(final GL10 gl, final StringBuffer text,
      final int startX, final int startY, final int fontSize) {
    drawString(gl, text, startX, startY, fontSize, fontMargin);
  }

  public synchronized void drawShadowString(final GL10 gl,
      final StringBuffer text, final int startX, final int startY,
      final int fontSize, float[] shadowColor, float[] textColor,
      int shadowX, int shadowY) {
    gl.glColor4f(shadowColor[0], shadowColor[1], shadowColor[2],
        shadowColor[3]);
    drawString(gl, text, startX + shadowX, startY - shadowY, fontSize,
        fontMargin);// Y is mirroed
    gl.glColor4f(textColor[0], textColor[1], textColor[2], textColor[3]);
    drawString(gl, text, startX, startY, fontSize, fontMargin);// Y is
                                  // mirroed
  }

  /*
   * ????????????
   */
  public synchronized void drawBorderString(final GL10 gl,
      final StringBuffer text, final int startX, final int startY,
      final int fontSize, float marginPersent, float[] borderColor,
      float[] textColor, int border) {
    dy = startY;
    dx = startX;
    gl.glBindTexture(GL10.GL_TEXTURE_2D, textureId);
    for (i = 0; i < text.length(); i++) {
      ch = text.charAt(i);
      gl.glColor4f(borderColor[0], borderColor[1], borderColor[2],
          borderColor[3]);
      ((GL11) gl).glTexParameteriv(GL10.GL_TEXTURE_2D,
          GL11Ext.GL_TEXTURE_CROP_RECT_OES, getImageFontRec(ch), 0);
      ((GL11Ext) gl).glDrawTexiOES(dx, dy, 0, fontSize, fontSize);
      gl.glColor4f(textColor[0], textColor[1], textColor[2], textColor[3]);

      ((GL11Ext) gl).glDrawTexiOES(dx + border / 2, dy + border / 2, 0,
          fontSize - border, fontSize - border);
      dx += fontSize * marginPersent;// *marginPersent;
    }

  }

  int getImageFontRec_x;
  int getImageFontRec_y;
  int getImageFontRec_return[];

  public synchronized int[] getImageFontRec(char ch) {
    getImageFontRec_x = ((int) ch) % 16;
    getImageFontRec_y = 7 - ((int) ch) / 16;// image size
    // Log.i("my","dx:"+dx+",dy="+dy);
    getImageFontRec_return[0] = baseSize * getImageFontRec_x;
    getImageFontRec_return[1] = baseSize * getImageFontRec_y * 2;
    return getImageFontRec_return;
  }

}

   
    
  








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