Examples of org.apache.fop.pdf.PDFState$Data

org.apache.fop.pdf.PDFState
This keeps information about the current state when writing to pdf. It allows for creating new graphics states with the q operator. This class is only used to store the information about the state the caller needs to handle the actual pdf operators. When setting the state for pdf there are three possible ways of handling the situation. The values can be set to override previous or default values. A new state can be added and then the values set. The current state can be popped and values will return to a previous state then the necessary values can be overridden. The current transform behaves differently to other values as the matrix is combined with the current resolved value. It is impossible to optimise the result without analysing the all the possible combinations after completing.

     * 
     * @return Contentinfo with contentType Data.
     */
    private ContentInfo makeData(SafeContents safe) throws IOException,
      ASN1Exception {
  Data data = null;
  ByteArrayOutputStream baos = new ByteArrayOutputStream();
  DEREncoder encoder = new DEREncoder(baos);
  safe.encode(encoder);
  data = new Data(baos.toByteArray());
  baos.close();
  ContentInfo cInfo = new ContentInfo(data);
  return cInfo;
    }

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  // check version before any other operations
  Request request = new Request (display, major_opcode, 0, 3);
  request.write4 (CLIENT_MAJOR_VERSION);
  request.write4 (CLIENT_MINOR_VERSION);


  Data reply = display.read_reply (request);
  server_major_version = reply.read4 (8);
  server_minor_version = reply.read4 (12);
    }

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     */
    public long getOverlayWindow (Window win) { 
  Request request = new Request (display, major_opcode, 7, 2);
  request.write4 (win.id);


  Data reply = display.read_reply (request);
  if (reply == null) {
      return -1;
  }


  return reply.read4(8);
    }

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    // check version before any other operations
    Request request = new Request (display, major_opcode, 0, 3);
    request.write4 (CLIENT_MAJOR_VERSION);
    request.write4 (CLIENT_MINOR_VERSION);
  
    Data reply = display.read_reply (request);
    server_major_version = reply.read2 (8);
    server_minor_version = reply.read2 (10);
  }

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    protected void startPage() throws IOException {
        if (pdfContext.isPagePending()) {
            throw new IllegalStateException("Close page first before starting another");
        }
        //Start page
        graphicsState = new PDFState();
        if (this.initialTransform == null) {
            //Save initial transformation matrix
            this.initialTransform = getTransform();
            this.initialClip = getClip();      
        } else {

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        pageHeight = (int) h;


        currentStream = this.pdfDoc.getFactory()
            .makeStream(PDFFilterList.CONTENT_FILTER, false);


        currentState = new PDFState();
        // Transform the PDF's default coordinate system (0,0 at lower left) to the PDFRenderer's
        AffineTransform basicPageTransform = new AffineTransform(1, 0, 0, -1, 0,
                pageHeight / 1000f);
        currentState.concatenate(basicPageTransform);
        currentStream.add(CTMHelper.toPDFString(basicPageTransform, false) + " cm\n");

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        resourceContext = page;
        currentFontName = font;
        currentFontSize = size;
        fontInfo = fi;
        pageRef = pref;
        graphicsState = new PDFState();
    }

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        resourceContext = page;
        currentFontName = font;
        currentFontSize = size;
        fontInfo = fi;
        pageRef = pref;
        graphicsState = new PDFState();
    }

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    protected void startPage() throws IOException {
        if (pdfContext.isPagePending()) {
            throw new IllegalStateException("Close page first before starting another");
        }
        //Start page
        graphicsState = new PDFState();
        if (this.initialTransform == null) {
            //Save initial transformation matrix
            this.initialTransform = getTransform();
            this.initialClip = getClip();      
        } else {

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        pageHeight = (int) h;


        currentStream = this.pdfDoc.getFactory()
            .makeStream(PDFFilterList.CONTENT_FILTER, false);


        currentState = new PDFState();
        // Transform the PDF's default coordinate system (0,0 at lower left) to the PDFRenderer's
        AffineTransform basicPageTransform = new AffineTransform(1, 0, 0, -1, 0,
                pageHeight / 1000f);
        currentState.concatenate(basicPageTransform);
        currentStream.add(CTMHelper.toPDFString(basicPageTransform, false) + " cm\n");

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