Android Open Source - RadaeePDF-B4A P D F Test Act

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License

The source code is released under:

Apache License

Java Source Code

package com.radaee.reader;
//from   w w  w .j  a  v  a  2  s .co m
import com.radaee.pdf.Document;
import com.radaee.pdf.Document.*;
import com.radaee.pdf.Global;
import com.radaee.pdf.Matrix;
import com.radaee.pdf.Page;
import com.radaee.pdf.Path;
import com.radaee.pdf.Page.*;
import com.radaee.pdf.PageContent;

import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.os.Bundle;

public class PDFTestAct extends Activity
{
  private Document m_doc;
  private PDFSimple m_view;
  private void NewImagePage(int pageno, float w, float h, String img_path)
  {
    Page page = m_doc.NewPage(pageno, w, h);//create A4 paper
    DocImage dimg = m_doc.NewImageJPEG(img_path);
    ResImage rimg = page.AddResImage(dimg);
    PageContent content = new PageContent();
    content.Create();//create content, do not forget.
    content.GSSave();
    Matrix mat = new Matrix( w, h, 0, 0 );
    content.GSSetMatrix(mat);
    mat.Destroy();
    content.DrawImage(rimg);
    content.GSRestore();
    //add content to page
    page.AddContent(content);
    content.Destroy();
    page.Close();
  }
  private void NewPage(int pageno, float w, float h)
  {
    Page page = m_doc.NewPage(pageno, w, h);//create A4 paper
    
    PageContent content = new PageContent();
    content.Create();//create content, do not forget.

    //set alpha for both fill and stroke
    DocGState dgs = m_doc.NewGState();
    dgs.SetFillAlpha(0x80);//set alpha value to 0.5
    dgs.SetStrokeAlpha(0x80);//set alpha value to 0.5
    ResGState rgs = page.AddResGState(dgs);
    content.GSSet(rgs);

    //set matrix for filling
    content.GSSave();
    Matrix mat = new Matrix( 1, 1, 40, 100 );
    content.GSSetMatrix(mat);
    mat.Destroy();

    //build a path object
    Path path = new Path();
    path.MoveTo(10, 10);
    path.LineTo(20, 12);
    path.CurveTo(30, 20, 20, 30, -10, 50);
    path.ClosePath();

    //fill it
    content.SetFillColor(0xFF0000);//set red color;
    content.FillPath(path, true);//using winding fill rule
    content.GSRestore();

    
    //set matrix for stroke
    content.GSSave();
    mat = new Matrix( 1, 1, 40, 200 );
    content.GSSetMatrix(mat);
    mat.Destroy();
    
    //stroke it
    content.SetStrokeColor(0xFF);//set blue color;
    content.SetStrokeWidth(4);//set stroke width
    content.StrokePath(path);
    content.GSRestore();

    //destroy the path
    path.Destroy();

    
    //prepare to write texts
    content.GSSave();
    mat = new Matrix( 1, 1, 80, 200 );
    content.GSSetMatrix(mat);
    mat.Destroy();

    DocFont dfont = m_doc.NewFontCID("DroidSansFallback", 3 | 8);//bold-italic and embed in horizontal writing
    ResFont rfont = page.AddResFont(dfont);

    content.TextBegin();
    content.TextSetFont(rfont, 16);//set font and size
    content.SetFillColor(0x8000);//set fill color to black-green.
    content.SetStrokeColor(0x80);//set stroke color to black-red.
    content.TextSetCharSpace(0);
    content.TextSetWordSpace(0.2f);
    content.TextSetLeading(16);
    content.TextSetRenderMode(2);//fill and stroke
    content.TextSetHScale(120);//set horizontal scale
    content.DrawText("Hello word!\rNice to meet you!");
    content.TextEnd();
    content.GSRestore();

    //write a bitmap
    content.GSSave();
    dgs = m_doc.NewGState();
    dgs.SetFillAlpha(255);//set alpha value to 1
    dgs.SetStrokeAlpha(255);//set alpha value to 1
    rgs = page.AddResGState(dgs);
    content.GSSet(rgs);
    Bitmap bmp = Bitmap.createBitmap(100, 100, Config.ARGB_8888);//must be ARGB_8888
    bmp.eraseColor(0xc0000080);
    DocImage dimg = m_doc.NewImage(bmp, true);
    bmp.recycle();
    ResImage rimg = page.AddResImage(dimg);
    mat = new Matrix( 80, 80, 80, 400 );
    content.GSSetMatrix(mat);
    mat.Destroy();
    content.DrawImage(rimg);
    content.GSRestore();


    //add content to page
    page.AddContent(content);
    content.Destroy();
    
    page.Close();
  }
  private void concat_pdf( String dst, String src )
  {
    Document doc_dst = new Document();
    Document doc_src = new Document();
    doc_dst.Open(dst, null);
    doc_dst.SetCache(Global.tmp_path + "/ttt.dat");
    doc_src.Open(src, null);
    ImportContext ctx = doc_dst.ImportStart(doc_src);
    int dstno = doc_dst.GetPageCount();
    int srccnt = doc_src.GetPageCount();
    int srcno = 0;
    while( srcno < srccnt )
    {
      doc_dst.ImportPage(ctx, srcno, dstno);
      dstno++;
      srcno++;
    }
    ctx.Destroy();
    doc_src.Close();
    doc_dst.Save();
    doc_dst.Close();
  }
  @Override
    public void onCreate(Bundle savedInstanceState)
  {
    super.onCreate(savedInstanceState);
        Global.Init( this );
        //concat_pdf( "/sdcard/testImport.pdf", "/sdcard/test_images.pdf" );
        
    String file = "/sdcard/test.pdf";
    String file_cache = Global.tmp_path + "/temp.dat";

    m_doc = new Document();
    m_doc.Create( file );
    m_doc.SetCache( file_cache );//set temporary cache for editing.
    NewPage(0, (210 * 72)/25.4f, (297 * 72)/25.4f);
    //NewImagePage(1, 323, 239, "/sdcard/0001.jpg");
    //NewImagePage(2, 323, 239, "/sdcard/0002.jpg");
    

    //to new outline item for first page
    float top = m_doc.GetPageHeight(0);
    m_doc.NewRootOutline("Root", 0, top);
    Outline ol = m_doc.GetOutlines();
    ol.AddChild("Child1", 0, top * 5 / 6);
    Outline ol1 = ol.GetChild();
    ol1.AddNext("Child2", 0, top / 2);

    m_doc.Save();
    m_doc.Close();
    m_doc = null;

    m_view = new PDFSimple(this);
    m_view.Open(file);
    setContentView( m_view );
  }
  @Override
    protected void onDestroy()
  {
      if( m_view != null )
        m_view.Close();
      Global.RemoveTmp();
    super.onDestroy();
  }
}

Java Source Code List

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