Examples of org.apache.poi.hslf.blip.ImagePainter

org.apache.poi.hslf.blip.ImagePainter
A common interface for objects that can render ppt picture data.
Subclasses can redefine it and use third-party libraries for actual rendering, for example, Bitmaps can be rendered using javax.imageio.* , WMF can be rendered using Apache Batik, PICT can be rendered using Apple QuickTime API for Java, etc.
A typical usage is as follows: public WMFPaiter implements ImagePainter{ public void paint(Graphics2D graphics, PictureData pict, Picture parent){ DataInputStream is = new DataInputStream(new ByteArrayInputStream(pict.getData())); org.apache.batik.transcoder.wmf.tosvg.WMFRecordStore wmfStore = new org.apache.batik.transcoder.wmf.tosvg.WMFRecordStore(); try { wmfStore.read(is); } catch (IOException e){ return; } Rectangle anchor = parent.getAnchor(); float scale = (float)anchor.width/wmfStore.getWidthPixels(); org.apache.batik.transcoder.wmf.tosvg.WMFPainter painter = new org.apache.batik.transcoder.wmf.tosvg.WMFPainter(wmfStore, 0, 0, scale); graphics.translate(anchor.x, anchor.y); painter.paint(graphics); } } PictureData.setImagePainter(Picture.WMF, new WMFPaiter()); ... Subsequent calls of Slide.draw(Graphics gr) will use WMFPaiter for WMF images. @author Yegor Kozlov.


    }


    public void testImagePainter() throws Exception {


        ImagePainter pntr = PictureData.getImagePainter(Picture.PNG);
        assertTrue(PictureData.getImagePainter(Picture.PNG) instanceof BitmapPainter);
        assertTrue(PictureData.getImagePainter(Picture.JPEG) instanceof BitmapPainter);
        assertTrue(PictureData.getImagePainter(Picture.DIB) instanceof BitmapPainter);


        PictureData.setImagePainter(Picture.WMF, new CustomImagePainer());

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    public int getSize(){
        return getData().length;
    }


    public void draw(Graphics2D graphics, Picture parent){
        ImagePainter painter = painters[getType()];
        if(painter != null) painter.paint(graphics, this, parent);
        else logger.log(POILogger.WARN, "Rendering is not supported: " + getClass().getName());
    }

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        }
    }


    public void testImagePainter() {


        ImagePainter pntr = PictureData.getImagePainter(Picture.PNG);
        assertTrue(PictureData.getImagePainter(Picture.PNG) instanceof BitmapPainter);
        assertTrue(PictureData.getImagePainter(Picture.JPEG) instanceof BitmapPainter);
        assertTrue(PictureData.getImagePainter(Picture.DIB) instanceof BitmapPainter);


        PictureData.setImagePainter(Picture.WMF, new CustomImagePainter());

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    }


    public void testImagePainter() throws Exception {


        ImagePainter pntr = PictureData.getImagePainter(Picture.PNG);
        assertTrue(PictureData.getImagePainter(Picture.PNG) instanceof BitmapPainter);
        assertTrue(PictureData.getImagePainter(Picture.JPEG) instanceof BitmapPainter);
        assertTrue(PictureData.getImagePainter(Picture.DIB) instanceof BitmapPainter);


        PictureData.setImagePainter(Picture.WMF, new CustomImagePainer());

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Related Classes of org.apache.poi.hslf.blip.ImagePainter

org.apache.poi.hslf.model.TestImagePainter

org.apache.poi.hslf.usermodel.PictureData

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