PrintAdapter.java 文件源码

private void drawPage(PdfDocument.Page page, int pageNumber){
    Canvas canvas = page.getCanvas();

    ImageManager manager=new ImageManager(context);

    Bitmap image;
    if (pageNumber%2==0)
        image=manager.decodeBitmapFromFile(manager.createFileNameFromUrl(frontImageName));
    else 
        image=manager.decodeBitmapFromFile(manager.createFileNameFromUrl(backImageName));

    Matrix matrix=new Matrix();
    matrix.setScale(500, 500);

    canvas.drawBitmap(image,0,0,new Paint());
}