// 指定大小进行缩放
private void test1() throws Exception {
// size(宽度, 高度)
/*
* 若图片横比200小，高比300小，不变 若图片横比200小，高比300大，高缩小到300，图片比例不变
* 若图片横比200大，高比300小，横缩小到200，图片比例不变 若图片横比200大，高比300大，图片按比例缩小，横为200或高为300
*/
Thumbnails.of(getImageStream()).size(200, 300).toFile(ouputImagePath("a380_200x300.jpg"));
Thumbnails.of(getImageStream()).size(2560, 2048).toFile(ouputImagePath("a380_2560x2048.jpg"));
}
// 转化图像格式
private void test7() throws Exception {
// outputFormat(图像格式)
Thumbnails.of("images/a380_1280x1024.jpg")
.size(1280, 1024)
.outputFormat("png")
.toFile("img/a380_1280x1024.png");
Thumbnails.of("images/a380_1280x1024.jpg")
.size(1280, 1024)
.outputFormat("gif")
.toFile("img/a380_1280x1024.gif");
}
// 旋转
private void test4() throws Exception {
// rotate(角度),正数：顺时针 负数：逆时针
Thumbnails.of("images/a380_1280x1024.jpg")
.size(1280, 1024)
.rotate(90)
.toFile("img/a380_rotate+90.jpg");
Thumbnails.of("images/a380_1280x1024.jpg")
.size(1280, 1024)
.rotate(-90)
.toFile("img/a380_rotate-90.jpg");
}
// 水印
private void test5() throws Exception {
// watermark(位置，水印图，透明度)
Thumbnails.of("images/a380_1280x1024.jpg")
.size(1280, 1024)
.watermark(Positions.BOTTOM_RIGHT, ImageIO.read(new File("images/watermark.png")), 0.5f)
.outputQuality(0.8f)
.toFile("a380_watermark_bottom_right.jpg");
Thumbnails.of("images/a380_1280x1024.jpg")
.size(1280, 1024)
.watermark(Positions.CENTER, ImageIO.read(new File("images/watermark.png")), 0.5f)
.outputQuality(0.8f)
.toFile("a380_watermark_center.jpg");
}
// 不按照比例，指定大小进行缩放
private void test3() throws Exception {
// keepAspectRatio(false) 默认是按照比例缩放的
Thumbnails.of("images/a380_1280x1024.jpg")
.size(200, 200)
.keepAspectRatio(false)
.toFile("img/a380_200x200.jpg");
}
public void finishProcess() {
try {
boolean wl = true;
new File("./engine/temp/resize").mkdir();
while (wl == true) {
File file = new File("./engine/temp/belt_img_10.jpg");
if (file.exists() == true) {
Thumbnails.of(
"./engine/temp/belt_img_1.jpg",
"./engine/temp/belt_img_2.jpg",
"./engine/temp/belt_img_3.jpg",
"./engine/temp/belt_img_4.jpg",
"./engine/temp/belt_img_5.jpg",
"./engine/temp/belt_img_6.jpg",
"./engine/temp/belt_img_7.jpg",
"./engine/temp/belt_img_8.jpg",
"./engine/temp/belt_img_9.jpg",
"./engine/temp/belt_img_10.jpg")
.size(256, 192)
.outputQuality(1.0)
.toFiles(new File("./engine/temp/resize/"), Rename.NO_CHANGE);
jButton1.setEnabled(true);
wl = false;
}
}
} catch (Exception e) {
}
}
@Override
public void saveAvatar(String userName, InputStream originalIs) throws AvatarUploadException {
ByteArrayOutputStream os = null;
InputStream is = null;
try {
BufferedImage originalImage = ImageIO.read(originalIs);
BufferedImage thumbnail =
Thumbnails.of(originalImage).crop(Positions.CENTER).size(128, 128).asBufferedImage();
os = new ByteArrayOutputStream();
ImageIO.write(thumbnail, "png", os);
is = new ByteArrayInputStream(os.toByteArray());
String fileName = String.format(AVATAR_NAME, userName);
GridFS avatarFS = new GridFS(m_template.getDb());
avatarFS.remove(fileName);
GridFSInputFile gfsFile = avatarFS.createFile(is);
gfsFile.setFilename(fileName);
gfsFile.save();
} catch (Exception ex) {
throw new AvatarUploadException(ex);
} finally {
IOUtils.closeQuietly(originalIs);
IOUtils.closeQuietly(is);
IOUtils.closeQuietly(os);
}
}
/**
* ����ͼƬ
*
* @param filePath ԴͼƬλ��
* @param thumbPath ���Ժ��λ��
* @param width ���Կ�
* @param height ���Ը�
* @param scale ����������
* @param quality ͼƬ�����ٷ���
* @param rotate ��ת�Ƕ�
* @return
*/
public static String thumb(
String filePath,
String thumbPath,
int width,
int height,
double scale,
double quality,
double rotate) {
File img = new File(thumbPath);
if (img.exists()) {
return img.getPath();
}
Builder<File> f = Thumbnails.of(filePath);
if (width > 0 && height > 0) {
f.size(width, height);
}
if (scale > 0.0D) {
f.scale(scale);
}
if (quality > 0.0D) {
f.outputQuality(quality);
}
if (rotate > 0.0D) {
f.rotate(rotate);
}
try {
f.toFile(img);
return img.getPath();
} catch (IOException e) {
e.printStackTrace();
}
return filePath;
}
private void makeThumbnailImage(String originPath, String thumbPath) throws IOException {
Thumbnails.of(new File(originPath))
.size(60, 44)
.outputFormat("png")
.outputQuality(1.0)
.toFile(new File(thumbPath));
}
@Test
public void test() throws Exception {
File srcFile = new File("C:/大图.jpg"); // 被压缩文件对象
File targetFile = new File("C:/图_111.jpg"); // 被压缩文件对象
// of(File f):表示压缩哪一个图片文件
// size(int width,int hight):压缩的图片最终的大小
// toFile(File f):最终的图片对象
Thumbnails.of(srcFile).size(100, 100).toFile(targetFile);
}
/**
* Chiama il super costruttore animaleView associando l'oggetto alla pecora presa da parametro.
* Carica l'immagine della pecora.
*
* @param pecora pecora associata a questa view.
*/
public PecoraView(Pecora pecora) {
super(pecora);
try {
immagine = ImageIO.read(getClass().getResourceAsStream(Costanti.PERCORSO_FILE_PECORA));
immagine = Thumbnails.of(immagine).scale(Costanti.FATTORE_SCALA).asBufferedImage();
} catch (IOException e) {
new FinestraNotifica(
"Errore nell'apertura dell'immagine associata all'oggetto \"pecora\"", e);
}
}
// 裁剪
private void test6() throws Exception {
// sourceRegion()
// 图片中心400*400的区域
Thumbnails.of(getImageStream())
.sourceRegion(Positions.CENTER, 400, 400)
.size(200, 200)
.keepAspectRatio(false)
.toFile(ouputImagePath("a380_region_center.jpg"));
// 图片右下400*400的区域
Thumbnails.of(getImageStream())
.sourceRegion(Positions.BOTTOM_RIGHT, 400, 400)
.size(200, 200)
.keepAspectRatio(false)
.toFile(ouputImagePath("a380_region_bootom_right.jpg"));
// 指定坐标
Thumbnails.of(getImageStream())
.sourceRegion(600, 500, 400, 400)
.size(200, 200)
.keepAspectRatio(false)
.toFile(ouputImagePath("a380_region_coord.jpg"));
}
public static void main(String[] args) {
String filePath = "D:\\tomca7\\webapps\\unique-img-plugin\\upload\\12674158787444.jpg";
File img = new File("D:\\tomca7\\webapps\\unique-img-plugin\\upload\\12674158787444_1.jpg");
Builder<File> f = Thumbnails.of(filePath);
f.size(200, 200);
// f = f.scale(1);
// f = f.outputQuality(quality);
if ("a".equals("a")) {
f.rotate(180);
}
try {
f.toFile(img);
} catch (IOException e) {
e.printStackTrace();
}
}
private void writeImage(BufferedImage image, ImageType type, OutputStream output)
throws IOException {
double scaleFactor = type.getScaleFactor(image.getWidth(), image.getHeight());
if (retina) {
scaleFactor = scaleFactor + scaleFactor;
}
BufferedImage scaledImage = null;
if (scaleFactor < 1.0) { // scale down only
scaledImage = Thumbnails.of(image).scale(scaleFactor).asBufferedImage();
}
try {
ImageIO.write(scaledImage != null ? scaledImage : image, type.getFileType(), output);
} finally {
if (scaledImage != null) {
scaledImage.flush();
}
}
}
@RequestMapping(value = "addMember", method = RequestMethod.POST)
public @ResponseBody int addMember(@RequestParam("files") MultipartFile image, Member member)
throws Exception {
System.out.println("/member/addMember");
int fileIndex = 0;
int totalFile = 0;
String genId = null;
String extName = null;
String filePath = servletCtx.getRealPath("/mem_upload") + "/";
String thumbPath = servletCtx.getRealPath("/mem_thumb") + "/";
genId = UUID.randomUUID().toString();
fileIndex = image.getOriginalFilename().lastIndexOf(".");
extName =
image.getOriginalFilename().substring(fileIndex, image.getOriginalFilename().length());
member.setOriImgName(image.getOriginalFilename());
member.setStoImgName(genId + extName);
int row = memberService.jsonAddMember(member);
if (row > 0) {
try {
FileCopyUtils.copy(image.getBytes(), new FileOutputStream(filePath + genId + extName));
Thumbnails.of(new File(filePath + genId + extName))
.size(216, 146)
.toFiles(new File(thumbPath), Rename.NO_CHANGE);
} catch (IOException e) {
e.printStackTrace();
}
}
return row;
}
public boolean getFile(FileDownloadTools fdt, String file, int width, int height)
throws Exception {
try {
if (fdt.get(file)) {
// 缩略图文件
File thumbFile = new File(fdt.getFilePath() + "_" + width + "_" + height + ".jpg");
try {
// 如果缩略图不存在则生成
if (!thumbFile.exists()) {
// 生成缩略图
Thumbnails.of(new File(fdt.getFilePath()))
.size(width, height)
.outputFormat("jpg")
.toFile(thumbFile);
}
} catch (IOException e) {
e.printStackTrace();
}
fdt.setFilePath(thumbFile.getPath());
fdt.setFileName(width + "_" + height + "_" + fdt.getFileName());
getServletResponse().setHeader("charset", "ISO8859-1");
if (this.fileName == null) {
this.fileName = fdt.getFileName();
}
this.fileName = new String(this.fileName.getBytes(), "ISO8859-1");
// this.fileName = fdt.getFileName();
this.contentType = fdt.getContentType();
return true;
} else {
return false;
}
} catch (Exception e) {
throw e;
}
}
public static void main(String[] args) throws Exception {
Thumbnails.of(new File("WebContent/wx/images").listFiles())
.scale(0.25, 0.25)
.outputFormat("jpg")
.toFiles(MX_PREFIX_DOT_THUMBNAIL);
}
public static BufferedImage scaleImage(BufferedImage bufferedImage, float scaleRatio)
throws IOException {
// apply scale
return Thumbnails.of(bufferedImage).scale(scaleRatio).asBufferedImage();
}
// 按照比例进行缩放
private void test2() throws Exception {
// scale(比例)
Thumbnails.of("images/a380_1280x1024.jpg").scale(0.25f).toFile("img/a380_25%.jpg");
Thumbnails.of("images/a380_1280x1024.jpg").scale(1.10f).toFile("img/a380_110%.jpg");
}
// 输出到BufferedImage
private void test9() throws Exception {
// asBufferedImage() 返回BufferedImage
BufferedImage thumbnail =
Thumbnails.of("images/a380_1280x1024.jpg").size(1280, 1024).asBufferedImage();
ImageIO.write(thumbnail, "jpg", new File("img/a380_1280x1024_BufferedImage.jpg"));
}
// 输出到OutputStream
private void test8() throws Exception {
// toOutputStream(流对象)
OutputStream os = new FileOutputStream("img/a380_1280x1024_OutputStream.png");
Thumbnails.of("images/a380_1280x1024.jpg").size(1280, 1024).toOutputStream(os);
}
@Transactional
public static Result uploadPhoto() {
final String loggedInUser = Application.getLoggedInUser();
if (loggedInUser == null) {
return ok(views.html.login.render());
}
DynamicForm form = DynamicForm.form().bindFromRequest();
boolean fullSize = Boolean.parseBoolean(form.get("fullSize"));
boolean thumbnail = Boolean.parseBoolean(form.get("thumbnail"));
boolean miniThumbnail = Boolean.parseBoolean(form.get("miniThumbnail"));
boolean mobile = Boolean.parseBoolean(form.get("mobile"));
String category = form.get("category");
ImageUploadUtil imageUploadUtil = new ImageUploadUtil(category);
FilePart picture = request().body().asMultipartFormData().getFile("cover-photo");
String fileName = picture.getFilename();
DateTime now = new DateTime();
File file = picture.getFile();
String imageUrl;
String imagePath;
try {
imageUrl = imageUploadUtil.getImageUrl(now, fileName);
imagePath = imageUploadUtil.getImagePath(now, fileName);
FileUtils.copyFile(file, new File(imagePath));
} catch (IOException e) {
return status(500);
}
if (thumbnail == true) {
StringBuffer sb = new StringBuffer(fileName);
sb.insert(fileName.indexOf("."), "_thumb");
String name = sb.toString();
try {
String imagePath2 = imageUploadUtil.getImagePath(now, name);
BufferedImage originalImage = ImageIO.read(file);
File file2 = new File(imagePath2);
Thumbnails.of(originalImage).size(200, 200).toFile(file2);
} catch (IOException e) {
return status(500);
}
}
if (miniThumbnail == true) {
StringBuffer sb = new StringBuffer(fileName);
sb.insert(fileName.indexOf("."), "_minithumb");
String name = sb.toString();
try {
String imagePath2 = imageUploadUtil.getImagePath(now, name);
BufferedImage originalImage = ImageIO.read(file);
File file2 = new File(imagePath2);
Thumbnails.of(originalImage).size(150, 150).toFile(file2);
} catch (IOException e) {
return status(500);
}
}
if (mobile == true) {
StringBuffer sb = new StringBuffer(fileName);
sb.insert(fileName.indexOf("."), "_m");
String name = sb.toString();
try {
String imagePath2 = imageUploadUtil.getImagePath(now, name);
BufferedImage originalImage = ImageIO.read(file);
File file2 = new File(imagePath2);
Thumbnails.of(originalImage).size(100, 100).toFile(file2);
} catch (IOException e) {
return status(500);
}
if (thumbnail == true) {
StringBuffer sb1 = new StringBuffer(fileName);
sb1.insert(fileName.indexOf("."), "_thumb_m");
String name1 = sb1.toString();
try {
String imagePath2 = imageUploadUtil.getImagePath(now, name1);
BufferedImage originalImage = ImageIO.read(file);
File file2 = new File(imagePath2);
Thumbnails.of(originalImage).size(80, 80).toFile(file2);
} catch (IOException e) {
return status(500);
}
}
if (miniThumbnail == true) {
StringBuffer sb1 = new StringBuffer(fileName);
sb1.insert(fileName.indexOf("."), "_minithumb_m");
String name1 = sb1.toString();
try {
String imagePath2 = imageUploadUtil.getImagePath(now, name1);
BufferedImage originalImage = ImageIO.read(file);
File file2 = new File(imagePath2);
Thumbnails.of(originalImage).size(50, 50).toFile(file2);
} catch (IOException e) {
return status(500);
}
}
}
Map<String, String> map = new HashMap<>();
map.put("URL", Application.APPLICATION_BASE_URL + imageUrl);
return ok(Json.toJson(map));
}
