package com.qoppa.qpdf.samples;

import java.io.FileOutputStream;
import java.io.OutputStream;

import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Bitmap.CompressFormat;
import android.graphics.Bitmap.Config;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Matrix;
import android.os.Bundle;
import android.util.Log;

import com.qoppa.android.pdfProcess.PDFCanvas;
import com.qoppa.android.pdfProcess.PDFDocument;
import com.qoppa.android.pdfProcess.PDFFontStandard;
import com.qoppa.android.pdfProcess.PDFPage;
import com.qoppa.android.pdfProcess.PDFPaint;
import com.qoppa.android.pdfProcess.PDFFontStandard.PDFFontFamily;
import com.qoppa.android.pdfViewer.fonts.StandardFontTF;

/**
 * This sample demonstrates how to load a PDF document and then add
 * content to the first page, including text, a shape and an image.
 *
 */
public class RenderToBitmap extends Activity
{
    public void onCreate(Bundle saveInstBundle)
    {
          super.onCreate(saveInstBundle);
          
          try
          {
                //this static allows the sdk to access font assets, 
                //it must be set prior to utilizing libraries
                StandardFontTF.mAssetMgr = getAssets();
                
                // Load a document and get the first page
                PDFDocument pdf = new PDFDocument("/sdcard/input.pdf", null);
                PDFPage page = pdf.getPage(0);
                
                // Create a bitmap and canvas to draw the page into
                int width = (int)Math.ceil (page.getDisplayWidth());
                int height = (int)Math.ceil(page.getDisplayHeight());
                Bitmap bm = Bitmap.createBitmap(width, height, Config.ARGB_8888);
                
                // Create canvas to draw into the bitmap
                Canvas c = new Canvas (bm);
                
                // Fill the bitmap with a white background
                Paint whiteBgnd = new Paint();
                whiteBgnd.setColor(Color.WHITE);
                whiteBgnd.setStyle(Paint.Style.FILL);
                c.drawRect(0, 0, width, height, whiteBgnd);
                
                // paint the page into the canvas
                page.paintPage(c);
                
                // Save the bitmap
                OutputStream outStream = new FileOutputStream("/sdcard/output.jpg");
            	bm.compress(CompressFormat.JPEG, 80, outStream);
            	outStream.close();

          }
          catch(Exception e)
          {
                Log.e("error", Log.getStackTraceString(e));
          }
    }

}