public static void SavaPdf(String inPath,String outPath,int pageNum,Bitmap bitmap){
try {
PdfReader reader = new PdfReader(inPath, "PDF".getBytes());
FileOutputStream outputStream = new FileOutputStream(outPath);
PdfStamper stamp;
stamp = new PdfStamper(reader, outputStream);
PdfContentByte over = stamp.getOverContent(pageNum);
byte[] bytes = Bitmap2Bytes(bitmap);
Image img = Image.getInstance(bytes);
Rectangle rectangle = reader.getPageSize(pageNum);
img.setAlignment(1);
//设置ImageView的位置
//可以设置缩放
img.scaleAbsolute(50, 50);
//设置ImageView的偏移量
// img.setAbsolutePosition(88, 99);
// img.scaleAbsolute(rectangle.getWidth() * mImgWidthPercent, rectangle.getHeight() * mImgHeightPercent);
// //设置ImageView的偏移量
// float absoluteX = rectangle.getWidth() * widthScale;
// float absoluteY = rectangle.getHeight() * heightScale;
// 设置图像位置 可以获取指定页码 相对宽高位置
// float x = rectangle.getWidth() - 25;
// float y = /*rectangle.getHeight() -*/ 100;
//设置指定页码 指定位置
float x = 200;
float y =100;
img.setAbsolutePosition(x, y);
over.addImage(img);
stamp.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (BadElementException e) {
e.printStackTrace();
} catch (DocumentException e) {
e.printStackTrace();
}
}
public static byte[] Bitmap2Bytes(Bitmap bitmap){
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.PNG, 100, outputStream);
return outputStream.toByteArray();
}
