Package de.intarsys.cwt.environment

Examples of de.intarsys.cwt.environment.IGraphicsContext

75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
  private PDPageTree pageTree = null;

  public BufferedImage getPageImage(File inputFile, String password, int page, int rotation)
      throws ThumbnailCreationException {
    BufferedImage retVal = null;
    IGraphicsContext graphics = null;
    PDDocument pdfDoc = null;
    if (inputFile != null && inputFile.exists() && inputFile.isFile()) {
      try {
        pdfDoc = openDoc(inputFile, password);
        PDPage pdPage = pdfDoc.getPageTree().getPageAt(page - 1);
        Rectangle2D rect = pdPage.getCropBox().toNormalizedRectangle();

        retVal = new BufferedImage((int) rect.getWidth(), (int) rect.getHeight(), BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = (Graphics2D) retVal.getGraphics();
        graphics = new CwtAwtGraphicsContext(g2);
        // setup user space
        AffineTransform imgTransform = graphics.getTransform();
        imgTransform.scale(1, -1);
        imgTransform.translate(-rect.getMinX(), -rect.getMaxY());
        graphics.setTransform(imgTransform);
        graphics.setBackgroundColor(Color.WHITE);
        graphics.fill(rect);
        CSContent content = pdPage.getContentStream();
        if (content != null) {
          JPodRenderer renderer = new JPodRenderer(null, graphics);
          renderer.process(content, pdPage.getResources());
        }
        if (pdfDoc != null) {
          pdfDoc.close();
        }
        int totalRotation = (rotation + pdPage.getRotate()) % 360;
        if (totalRotation != 0) {
          Image rotated = ImageUtility.rotateImage(retVal, totalRotation);
          retVal = new BufferedImage(rotated.getWidth(null), rotated.getHeight(null),
              BufferedImage.TYPE_INT_RGB);
          Graphics g = retVal.getGraphics();
          g.drawImage(rotated, 0, 0, null);
        }
      } catch (Throwable t) {
        throw new ThumbnailCreationException(t);
      } finally {
        if (graphics != null) {
          graphics.dispose();
        }
      }
    } else {
      throw new ThumbnailCreationException(GettextResource.gettext(Configuration.getInstance()
          .getI18nResourceBundle(), "Input file doesn't exists or is a directory"));
View Full Code Here
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119

  public Boolean call() {
    Boolean retVal = Boolean.FALSE;
    if(!IdManager.getInstance().isCancelledExecution(id)){
      IGraphicsContext graphics = null;
      try{
        Rectangle2D rect = pdPage.getCropBox().toNormalizedRectangle();
        double rectHeight = rect.getHeight();
        double recWidth = rect.getWidth();       
        double resizePercentage = getResizePercentage(rectHeight, recWidth);
       
        int height = Math.round(((int) rect.getHeight())*(float)resizePercentage);
        int width = Math.round(((int) rect.getWidth())*(float)resizePercentage);
        BufferedImage imageInstance = new BufferedImage((int)recWidth, (int)rectHeight, BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = (Graphics2D) imageInstance.getGraphics();
        graphics = new CwtAwtGraphicsContext(g2);
        // setup user space
        AffineTransform imgTransform = graphics.getTransform();
        imgTransform.scale(1, -1);
        imgTransform.translate(-rect.getMinX(), -rect.getMaxY());
        graphics.setTransform(imgTransform);       
        graphics.setBackgroundColor(Color.WHITE);
        graphics.fill(rect);
        CSContent content = pdPage.getContentStream();
        if (content != null) {
          JPodRenderer renderer = new JPodRenderer(null,graphics);
          renderer.process(content, pdPage.getResources());
        }
              //  pageItem.setThumbnail(scaledInstance);
        BufferedImage scaledInstance = ImageUtility.getScaledInstance(imageInstance, width, height);
                pageItem.setPaperFormat(recWidth, rectHeight, JPodThumbnailCreator.JPOD_RESOLUTION);
                if(pdPage.getRotate()!=0){
                  pageItem.setOriginalRotation(Rotation.getRotation(pdPage.getRotate()));
                }
                if(pageItem.isRotated()){
                  pageItem.setThumbnail(ImageUtility.rotateImage(scaledInstance, pageItem.getCompleteRotation())); 
            }else{
            pageItem.setThumbnail(scaledInstance);

            }
                retVal = Boolean.TRUE;
            }catch (Throwable t) {
              pageItem.setThumbnail(ImageUtility.getErrorImage());
            log.error(GettextResource.gettext(Configuration.getInstance().getI18nResourceBundle(),"Unable to generate thumbnail"),t);
          }finally{
            if(graphics!=null){
              graphics.dispose();
            }
            pdPage = null;
          }
            ((VisualListModel)panel.getThumbnailList().getModel()).elementChanged(pageItem);
    }
View Full Code Here
TOP

Related Classes of de.intarsys.cwt.environment.IGraphicsContext

  • org.pdfsam.guiclient.business.thumbnails.callables.JPodThmbnailCallable
  • org.pdfsam.guiclient.business.thumbnails.creators.JPodThumbnailCreator
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.