Beispiel #1
0
    public Example_37()
    {
        PDF pdf = new PDF(new BufferedStream(
                              new FileStream("Example_37.pdf", FileMode.Create)));

        FileStream fis = new FileStream("data/testPDFs/wirth.pdf", FileMode.Open);
        // FileStream fis = new FileStream("data/testPDFs/Smalltalk-and-OO.pdf", FileMode.Open);
        // FileStream fis = new FileStream("data/testPDFs/InsideSmalltalk1.pdf", FileMode.Open);
        // FileStream fis = new FileStream("data/testPDFs/InsideSmalltalk2.pdf", FileMode.Open);
        // FileStream fis = new FileStream("data/testPDFs/Greenbook.pdf", FileMode.Open);
        // FileStream fis = new FileStream("data/testPDFs/Bluebook.pdf", FileMode.Open);
        // FileStream fis = new FileStream("data/testPDFs/Orangebook.pdf", FileMode.Open);

        List <PDFobj> objects = pdf.Read(fis);

        fis.Close();

        Font f1 = new Font(
            objects,
            new FileStream("fonts/OpenSans/OpenSans-Regular.ttf.stream",
                           FileMode.Open,
                           FileAccess.Read), Font.STREAM);

        f1.SetSize(72f);

        TextLine line = new TextLine(f1, "This is a test!");

        line.SetLocation(50f, 350f);
        line.SetColor(Color.peru);

        List <PDFobj> pages = pdf.GetPageObjects(objects);

        foreach (PDFobj pageObj in pages)
        {
            GraphicsState gs = new GraphicsState();
            gs.SetAlphaStroking(0.75f);         // Set alpha for stroking operations
            gs.SetAlphaNonStroking(0.75f);      // Set alpha for nonstroking operations
            pageObj.SetGraphicsState(gs, objects);

            Page page = new Page(pdf, pageObj);
            page.AddResource(f1, objects);
            page.SetBrushColor(Color.blue);
            page.DrawString(f1, "Hello, World!", 50f, 200f);

            line.DrawOn(page);

            page.Complete(objects); // The graphics stack is unwinded automatically
        }
        pdf.AddObjects(objects);

/*
 *      List<Image> images = new List<Image>();
 *      foreach (PDFobj obj in objects.Values) {
 *          if (obj.GetValue("/Subtype").Equals("/Image")) {
 *              float w = float.Parse(obj.GetValue("/Width"));
 *              float h = float.Parse(obj.GetValue("/Height"));
 *              if (w > 500f && h > 500f) {
 *                  images.Add(new Image(pdf, obj));
 *              }
 *          }
 *      }
 *
 *      Font f1 = new Font(pdf, CoreFont.HELVETICA);
 *      f1.SetSize(72f);
 *
 *      Page page = null;
 *      foreach (Image image in images) {
 *          page = new Page(pdf, A4.PORTRAIT);
 *
 *          GraphicsState gs = new GraphicsState();
 *          gs.Set_CA(0.7f);    // Stroking alpha
 *          gs.Set_ca(0.7f);    // Nonstroking alpha
 *          page.SetGraphicsState(gs);
 *
 *          image.ResizeToFit(page, true);
 *
 *          // image.FlipUpsideDown(true);
 *          // image.SetLocation(0f, -image.GetHeight());
 *
 *          // image.SetRotate(ClockWise._180_degrees);
 *          // image.SetLocation(0f, 0f);
 *
 *          image.DrawOn(page);
 *
 *          TextLine text = new TextLine(f1, "Hello, World!");
 *          text.SetColor(Color.blue);
 *          text.SetLocation(150f, 150f);
 *          text.DrawOn(page);
 *
 *          page.SetGraphicsState(new GraphicsState());
 *      }
 */
        pdf.Complete();
    }
Beispiel #2
0
    public Example_31()
    {
        PDF pdf = new PDF(new BufferedStream(
                              new FileStream("Example_31.pdf", FileMode.Create)));

        Page page = new Page(pdf, Letter.PORTRAIT);

        Font f1 = new Font(pdf,
                           new FileStream("fonts/Noto/NotoSansDevanagari-Regular.ttf.stream",
                                          FileMode.Open,
                                          FileAccess.Read),
                           Font.STREAM);

        f1.SetSize(15f);

        Font f2 = new Font(pdf,
                           new FileStream("fonts/Droid/DroidSans.ttf.stream",
                                          FileMode.Open,
                                          FileAccess.Read),
                           Font.STREAM);

        f2.SetSize(15f);

        StringBuilder buf    = new StringBuilder();
        StreamReader  reader = new StreamReader(
            new FileStream("data/marathi.txt", FileMode.Open, FileAccess.Read));
        String line = null;

        while ((line = reader.ReadLine()) != null)
        {
            buf.Append(line + "\n");
        }
        reader.Close();

        TextBox textBox = new TextBox(f1, buf.ToString(), 500f, 300f);

        textBox.SetFallbackFont(f2);
        textBox.SetLocation(50f, 50f);
        textBox.SetNoBorders();
        textBox.DrawOn(page);

        String   str      = "असम के बाद UP में भी CM कैंडिडेट का ऐलान करेगी BJP?";
        TextLine textLine = new TextLine(f1, str);

        textLine.SetFallbackFont(f2);
        textLine.SetLocation(50f, 175f);
        textLine.DrawOn(page);


        page.SetPenColor(Color.blue);
        page.SetBrushColor(Color.blue);
        page.FillRect(50f, 200f, 200f, 200f);

        GraphicsState gs = new GraphicsState();

        gs.SetAlphaStroking(0.5f);      // The stroking alpha constant
        gs.SetAlphaNonStroking(0.5f);   // The nonstroking alpha constant
        page.SetGraphicsState(gs);

        page.SetPenColor(Color.green);
        page.SetBrushColor(Color.green);
        page.FillRect(100f, 250f, 200f, 200f);

        page.SetPenColor(Color.red);
        page.SetBrushColor(Color.red);
        page.FillRect(150, 300, 200f, 200f);

        // Reset the parameters to the default values
        page.SetGraphicsState(new GraphicsState());

        page.SetPenColor(Color.orange);
        page.SetBrushColor(Color.orange);
        page.FillRect(200, 350, 200f, 200f);

        page.SetBrushColor(0x00003865);
        page.FillRect(50, 550, 200f, 200f);

        pdf.Complete();
    }
Beispiel #3
0
    public Example_16()
    {
        PDF pdf = new PDF(new BufferedStream(
                              new FileStream("Example_16.pdf", FileMode.Create)));

        Font f1 = new Font(pdf, CoreFont.HELVETICA);

        f1.SetSize(14f);

        Page page = new Page(pdf, Letter.PORTRAIT);

        Dictionary <String, Int32> colors = new Dictionary <String, Int32>();

        colors["Lorem"]       = Color.blue;
        colors["ipsum"]       = Color.red;
        colors["dolor"]       = Color.green;
        colors["ullamcorper"] = Color.gray;

        f1.SetSize(72f);

        GraphicsState gs = new GraphicsState();

        gs.SetAlphaStroking(0.5f);      // Set alpha for stroking operations
        gs.SetAlphaNonStroking(0.5f);   // Set alpha for nonstroking operations
        page.SetGraphicsState(gs);

        TextLine text = new TextLine(f1, "Hello, World");

        text.SetLocation(50f, 300f);
        text.DrawOn(page);

        String latinText = File.ReadAllText("data/latin.txt");

        f1.SetSize(14f);
        TextBox textBox = new TextBox(f1, latinText);

        textBox.SetLocation(50f, 50f);
        textBox.SetWidth(400f);
        // If no height is specified the height will be calculated based on the text.
        // textBox.SetHeight(400f);

        // textBox.SetVerticalAlignment(Align.TOP);
        // textBox.SetVerticalAlignment(Align.BOTTOM);
        // textBox.SetVerticalAlignment(Align.CENTER);
        textBox.SetBgColor(Color.whitesmoke);
        textBox.SetTextColors(colors);

        // Find x and y without actually drawing the text box.
        // float[] xy = textBox.DrawOn(page, false);
        float[] xy = textBox.DrawOn(page);

        page.SetGraphicsState(new GraphicsState()); // Reset GS

        Box box = new Box();

        box.SetLocation(xy[0], xy[1]);
        box.SetSize(20f, 20f);
        box.DrawOn(page);

        pdf.Complete();
    }