public static void main(String[] args) {
Document document = new Document();
try {
PdfWriter.getInstance(document, new FileOutputStream("ImageRotation.pdf"));
document.open();
//
// Rotate image in radian using the setRotation method.
//
String filename = "other-sample/src/main/resources/java.gif";
Image image = Image.getInstance(filename);
image.setRotation(90f);
document.add(image);
//
// Rotate image in degree using the setRotationDegree method
//
String url = "http://localhost/xampp/img/xampp-logo-new.gif";
image = Image.getInstance(url);
image.setRotationDegrees(90);
document.add(image);
} catch (DocumentException | IOException e) {
e.printStackTrace();
} finally {
document.close();
}
}
/**
* @param imageUrllist
* @param mOutputPdfFileName
* @return
* @throws FileNotFoundException
* @throws BadElementException
* @throws MalformedURLException
* @throws DocumentException
* @throws IOException
*/
public static File convertPicToPdf(List<String> imageUrllist, String mOutputPdfFileName)
throws FileNotFoundException, BadElementException, MalformedURLException, DocumentException,
IOException {
Document doc = new Document(PageSize.A4, 10, 10, 10, 10);
FileOutputStream fileOutputStream = new FileOutputStream(mOutputPdfFileName);
PdfWriter.getInstance(doc, fileOutputStream);
float height, width;
Image image;
int percent;
doc.open();
for (String string : imageUrllist) {
doc.newPage();
image = Image.getInstance(string);
image.setAlignment(Image.MIDDLE);
height = image.getHeight();
width = image.getWidth();
if (readPictureDegree(string) == 90) {
// 如果图片需要旋转，设置高度为宽度，宽度为高度
height = image.getWidth();
width = image.getHeight();
}
// 旋转图片
image.setRotationDegrees(-readPictureDegree(string));
System.out.println(height);
System.out.println(width);
percent = getPercent2(height, width);
System.out.println(percent);
image.scalePercent(percent); // 表示是原来图像的比例;
doc.add(image);
System.out.println("convert " + string + "successful");
}
doc.close();
File mOutputPdfFile = new File(mOutputPdfFileName);
if (!mOutputPdfFile.exists()) {
mOutputPdfFile.deleteOnExit();
return null;
}
return mOutputPdfFile;
}