/**
* create image thumbnail
*
* @param width
* @param exact fix exactly width and height (might stretch image)
*/
public void createThumbnail(int width, boolean exact) {
if (exact) // resize image to fit exactly
image = Scalr.resize(image, Scalr.Mode.FIT_EXACT, width);
else image = Scalr.resize(image, width);
}
/**
* Paints the panel and its image at the current zoom level, location, and interpolation method
* dependent on the image scale.
*
* @param g the <code>Graphics</code> context for painting
*/
@Override
protected void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
super.paintComponent(g); // Paints the background
if (image == null) {
return;
}
if (rotateImageAccordingToExif) {
image = rotateAccordingToExif(imageFile, image);
rotateImageAccordingToExif = false;
if (isNavigationImageEnabled()) {
createNavigationImage(image);
}
}
if (scale == 0.0) {
initializeScalingParams();
}
Rectangle rect = getImageClipBounds();
if (rect == null
|| rect.width == 0
|| rect.height == 0) { // no part of image is displayed in the panel
return;
}
BufferedImage subimage = image.getSubimage(rect.x, rect.y, rect.width, rect.height);
Method method;
if (isHighQualityRendering()) {
method = highQualityScalingMethodToUse;
} else {
method = Method.SPEED;
}
int width = Math.min((int) (subimage.getWidth() * scale), getWidth());
int height = Math.min((int) (subimage.getHeight() * scale), getHeight());
if (width > 10 && height > 10) {
subimage = Scalr.resize(subimage, method, Mode.FIT_EXACT, width, height);
g2.drawImage(subimage, Math.max(0, originX), Math.max(0, originY), null);
// Draw navigation image
if (isNavigationImageEnabled()) {
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f));
g2.drawImage(
navigationImage, 0, 0, getScreenNavImageWidth(), getScreenNavImageHeight(), null);
g.setColor(Color.RED);
g.drawLine(
0, getScreenNavImageHeight(), getScreenNavImageWidth(), getScreenNavImageHeight());
g.drawLine(
getScreenNavImageWidth(), 0, getScreenNavImageWidth(), getScreenNavImageHeight());
drawZoomAreaOutline(g);
}
}
}
@Override
protected AbstractView doService() throws MvcException {
UserInfo userInfo = this.userInfoService.getCurrent();
int uid = userInfo.getUser().getId();
String rootPath = MvcContext.getInstance().getRootPath();
String avatarPath = this.userInfoService.prepareUploadFolder();
String finalPath = rootPath + avatarPath;
logger.info("上传目录：" + finalPath);
File file = this.saveFile("avatar", finalPath + "/o_" + uid);
logger.info("保存头像到：" + file.getAbsolutePath());
userInfo.getUser().setAvatar(avatarPath + "/" + file.getName());
this.userService.save(userInfo.getUser());
try { // 创建小、中、大头像
String extension = StringUtil.substring2(file.getName(), ".").replace(".", "");
if (StringUtil.isBlank(extension)) {
extension = "png"; // 默认格式
}
BufferedImage image = ImageIO.read(file);
BufferedImage largeAvatar = Scalr.resize(image, 128, 128); // 大头像
ImageIO.write(largeAvatar, extension, new File(file.getAbsolutePath().replace("o_", "l_")));
BufferedImage mediumAvatar = Scalr.resize(image, 48, 48); // 中头像
ImageIO.write(mediumAvatar, extension, new File(file.getAbsolutePath().replace("o_", "m_")));
BufferedImage smallAvatar = Scalr.resize(image, 16, 16); // 小头像
ImageIO.write(smallAvatar, extension, new File(file.getAbsolutePath().replace("o_", "s_")));
} catch (IOException e) {
e.printStackTrace();
}
return new JsonResultView("file", avatarPath);
}
/** crops image to square */
public void cropImageToSquare() {
int width = image.getWidth();
int height = image.getHeight();
// possibly crop
if (width > height) image = Scalr.crop(image, (width - height) / 2, 0, height, height);
else if (width < height) image = Scalr.crop(image, 0, (height - width) / 2, width, width);
}
@Nullable
public BufferedImage transform(@Nullable final BufferedImage image) {
BufferedImage transformedImage = image;
if (transformedImage != null) {
if (rotation != null) {
transformedImage = Scalr.rotate(transformedImage, rotation);
}
if (flip != null) {
transformedImage = Scalr.rotate(transformedImage, flip);
}
}
return transformedImage;
}
private BufferedImage resizeImage(BufferedImage img) {
int myheight = img.getHeight();
int mywidth = img.getWidth();
if (mywidth > m_maxsize.width || myheight > m_maxsize.height) {
if (mywidth > myheight) {
img = Scalr.resize(img, Scalr.Mode.FIT_TO_HEIGHT, m_maxsize.height);
} else {
img = Scalr.resize(img, Scalr.Mode.FIT_TO_WIDTH, m_maxsize.width);
}
}
return img;
}
private void updateSystemIcon() {
Window window = getWindow();
if (window == null) {
mySystemIcon = null;
return;
}
List<Image> icons = window.getIconImages();
assert icons != null;
if (icons.size() == 0) {
mySystemIcon = null;
} else if (icons.size() == 1) {
mySystemIcon = icons.get(0);
} else {
final JBDimension size = JBUI.size(32);
final Image image = icons.get(0);
mySystemIcon =
Scalr.resize(
ImageUtil.toBufferedImage(image),
Scalr.Method.ULTRA_QUALITY,
size.width,
size.height);
}
}
@RequestMapping(
value = "/{id}/height/{height}",
method = RequestMethod.GET,
produces = MediaType.IMAGE_JPEG_VALUE)
public byte[] getImageWithHeight(@PathVariable int id, @PathVariable int height)
throws IOException {
VehicleImageRaw image = imageRepository.findOne(id);
byte[] imageData = image.getImageData();
ByteArrayInputStream bais = new ByteArrayInputStream(imageData);
BufferedImage bufferedImage = ImageIO.read(bais);
// int width = bufferedImage.getHeight() / bufferedImage.getWidth() * height;
double ratio = 1.0 * bufferedImage.getWidth() / bufferedImage.getHeight();
Double width = height * ratio;
BufferedImage bufferedResizedImage =
Scalr.resize(
bufferedImage,
Scalr.Method.BALANCED,
Scalr.Mode.AUTOMATIC,
width.intValue(),
height); // 400,300 was the size we expected
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ImageIO.write(bufferedResizedImage, "jpg", baos);
baos.flush();
return baos.toByteArray();
}
public static BufferedImage createThumbnail(BufferedImage img) {
// Create quickly, then smooth and brighten it.
img = org.imgscalr.Scalr.resize(img, Method.SPEED, 125, OP_ANTIALIAS, OP_BRIGHTER);
// Let's add a little border before we return result.
return pad(img, 4);
}
@Override
public Icon scale(float scaleFactor) {
if (scaleFactor == 1f) {
return this;
}
if (scaledIcons == null) {
scaledIcons = new HashMap<Float, Icon>(1);
}
Icon result = scaledIcons.get(scaleFactor);
if (result != null) {
return result;
}
final Image image =
ImageLoader.loadFromUrl(myUrl, UIUtil.isUnderDarcula(), scaleFactor >= 1.5f, filter);
if (image != null) {
int width = (int) (getIconWidth() * scaleFactor);
int height = (int) (getIconHeight() * scaleFactor);
final BufferedImage resizedImage =
Scalr.resize(
ImageUtil.toBufferedImage(image), Scalr.Method.ULTRA_QUALITY, width, height);
result = getIcon(resizedImage);
scaledIcons.put(scaleFactor, result);
return result;
}
return this;
}
private static byte[] resizeImage(
BufferedImage bufferedImage, WritebleImageFormat format, int width, int height)
throws IOException {
BufferedImage thumbnail =
Scalr.resize(bufferedImage, Scalr.Method.SPEED, Scalr.Mode.FIT_EXACT, width, height);
ByteArrayOutputStream output = new ByteArrayOutputStream();
ImageIO.write(thumbnail, format.name(), output);
return output.toByteArray();
} // convertSizeToDimensions
public void resizeByWidth(
MultipartFile multipartFile, String fileName, int maxWidth, int maxHeight)
throws DdException, IOException {
boolean f = false;
for (String mime : mimeTypeAllow) {
if (mime.equalsIgnoreCase(multipartFile.getContentType())) {
f = true;
break;
}
}
if (!f) {
throw new DdException(
DdException.VALIDATION_EXCEPTION,
UploadUtil.FILE_TYPE_NOT_ALLOW_CODE,
UploadUtil.FILE_TYPE_NOT_ALLOW);
}
String fileNameTemp = "", fileExt = "";
fileNameTemp = multipartFile.getOriginalFilename();
if (fileNameTemp.indexOf(".") > -1) {
fileExt = fileNameTemp.substring(fileNameTemp.lastIndexOf("."), fileNameTemp.length());
}
fileExt = fileExt.toLowerCase();
// Check for valid file type upload file
if (fileTypeAllow.indexOf(fileExt) == -1) {
throw new DdException(
DdException.VALIDATION_EXCEPTION,
UploadUtil.FILE_TYPE_NOT_ALLOW_CODE,
UploadUtil.FILE_TYPE_NOT_ALLOW);
}
// Check for limit upload file
if (multipartFile.getSize() <= 0 || multipartFile.getSize() > fileSizeLimit) {
throw new DdException(
DdException.VALIDATION_EXCEPTION,
UploadUtil.FILE_SIZE_LIMIT_CODE,
UploadUtil.FILE_SIZE_LIMIT);
}
BufferedImage img = ImageIO.read(multipartFile.getInputStream());
if (img.getWidth() > maxWidth) {
img =
Scalr.resize(
img,
Scalr.Method.BALANCED,
Scalr.Mode.FIT_TO_WIDTH,
maxWidth,
maxHeight,
Scalr.OP_ANTIALIAS);
}
ImageIO.write(img, fileExt.substring(1), new File(path + fileName));
}
public static void resize(File file, int width, int height) throws FileOperationException {
BufferedImage image;
try {
image = ImageIO.read(file);
image = Scalr.resize(image, Scalr.Method.ULTRA_QUALITY, Scalr.Mode.FIT_EXACT, width, height);
saveToJPG(image, file);
image.flush();
} catch (IOException | IllegalArgumentException e) {
logger.error(e.getMessage(), e);
throw new FileOperationException("Resizing failed");
}
}
public static void crop(File file, int x, int y, int width, int height)
throws FileOperationException {
BufferedImage image;
try {
image = ImageIO.read(file);
image = Scalr.crop(image, x, y, width, height);
saveToJPG(image, file);
image.flush();
} catch (IOException | IllegalArgumentException e) {
logger.error(e.getMessage(), e);
throw new FileOperationException("Cropping failed");
}
}
@NotNull
private static Image scaleImage(Image image, float scale) {
int w = image.getWidth(null);
int h = image.getHeight(null);
if (w <= 0 || h <= 0) {
return image;
}
int width = (int) (scale * w);
int height = (int) (scale * h);
// Using "QUALITY" instead of "ULTRA_QUALITY" results in images that are less blurry
// because ultra quality performs a few more passes when scaling, which introduces blurriness
// when the scaling factor is relatively small (i.e. <= 3.0f) -- which is the case here.
return Scalr.resize(ImageUtil.toBufferedImage(image), Scalr.Method.QUALITY, width, height);
}
public static BufferedImage calcImage(byte[] bytes) {
if (bytes == null) {
return null;
}
BufferedImage bufferedImage = null;
try {
bufferedImage = ImageIO.read(new ByteArrayInputStream(bytes));
bufferedImage = Scalr.resize(bufferedImage, 20, 20);
return bufferedImage;
} catch (IOException e) {
// todo log
e.printStackTrace();
}
return null;
}
private ImageIcon getScaledIcon(ImageIcon original) {
Canvas c = new Canvas();
FontMetrics fm = c.getFontMetrics(getFont());
int height = (int) (fm.getHeight() * 2f);
int width = original.getIconWidth() / original.getIconHeight() * height;
BufferedImage scaledImage =
Scalr.resize(
com.bric.image.ImageLoader.createImage(original.getImage()),
Scalr.Method.QUALITY,
Scalr.Mode.AUTOMATIC,
width,
height,
Scalr.OP_ANTIALIAS);
return new ImageIcon(scaledImage);
}
@Override
public ProcessedImage process(ImageSubmission imageSubmission) throws Exception {
final String imagePath = path + imageSubmission.getFileName();
try {
final BufferedImage originalImage = ImageIO.read(new File(imagePath));
final BufferedImage resizedImage = Scalr.resize(originalImage, width, height);
return new ProcessedImage(resizedImage, imageSubmission.getFileName());
} catch (Exception e) {
LOG.warn(
"Failed to convert "
+ imagePath
+ ", skipping - sorry submitter! ("
+ e.getMessage()
+ ")");
return null;
}
}
/** @param data:image/jpeg;base64, */
public String getDimAndGenerate64BaseCode(
int heightL, int widthL, String type, InputStream imageStream) {
String imageString = null;
try {
BufferedImage _image = ImageIO.read(imageStream);
if (_image != null && type != null) {
ByteArrayOutputStream os = null;
try {
int h = _image.getHeight();
int w = _image.getWidth();
if (h >= heightL && w >= widthL) {
os = new ByteArrayOutputStream();
BufferedImage bImage =
Scalr.resize(
_image,
Scalr.Method.QUALITY,
Scalr.Mode.FIT_EXACT,
150,
120,
Scalr.OP_ANTIALIAS);
ImageIO.write(bImage, type, os);
byte[] data = os.toByteArray();
imageString = new BASE64Encoder().encode(data);
}
} catch (Exception ex2) {
ex2.printStackTrace();
} finally {
if (os != null) {
os.close();
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
if (imageString != null) {
imageString = "data:image/" + type + ";base64," + imageString;
}
return imageString;
}
public CA toScaledCA(float scale) {
int w = _i.getWidth();
int h = _i.getHeight();
/*
BufferedImage scaled = new BufferedImage((int)(w*scale), (int)(h*scale), BufferedImage.TYPE_INT_ARGB);
AffineTransform at = new AffineTransform();
at.scale(scale, scale);
RenderingHints hints = new RenderingHints(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
hints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
hints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
AffineTransformOp scaleOp = new AffineTransformOp(at, hints);
scaled = scaleOp.filter(_i, scaled);
return new CA(scaled);
*/
return new CA(
Scalr.resize(
_i,
Scalr.Method.ULTRA_QUALITY,
(int) (w * scale),
(int) (h * scale),
Scalr.OP_ANTIALIAS,
Scalr.OP_BRIGHTER));
}
public void scalePicture() {
if ((sourcePicture == null) || (sourcePicture.getSourceBufferedImage() == null)) {
ScaleFactor = 1.0;
return;
}
setStatus(SCALING, "Scaling picture.");
BufferedImage org = sourcePicture.getSourceBufferedImage();
int w = sourcePicture.getWidth();
int h = sourcePicture.getHeight();
calcScale();
scaledPicture =
Scalr.resize(
org,
Scalr.Method.QUALITY,
Scalr.Mode.AUTOMATIC,
(int) (ScaleFactor * w),
(int) (ScaleFactor * h),
Scalr.OP_ANTIALIAS);
// System.out.printf("scaled=%d,%d%n", scaledPicture.getWidth(), scaledPicture.getHeight());
setStatus(READY, "Scaled Picture is ready.");
}
/**
* Creates a new meal
*
* <p>PUT-JSON object should contain user_id, name, price, servings, category,
*
* @see javax.servlet.http.HttpServlet#doPut(javax.servlet.http.HttpServletRequest,
* javax.servlet.http.HttpServletResponse)
*/
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
Statement stmt = null;
String add_meal = null;
String json = null;
String image = null;
// establish database connection
Connection conn = dao.connect();
if (req.getParameter("json") != null && !req.getParameter("json").isEmpty())
json = req.getParameter("json");
if (req.getParameter("image") != null && !req.getParameter("image").isEmpty())
image = req.getParameter("image");
JSONObject job = new JSONObject();
try {
// and convert to JSON
job = (JSONObject) JSONValue.parse(json);
// variables representing the meal
String user_id = null;
String name = null;
String price = null;
Double meal_price = 0.0;
String servings = null;
Integer meal_servings = 0;
String description = null;
String ingredients = null;
Long time = null;
byte[] decodedBytes = null;
byte[] imageInByte = null;
byte[] middle_byte = null;
InputStream in_image = null;
InputStream in_thumb = null;
InputStream in_image_middle = null;
if (job.get("user_id") != null) user_id = (String) job.get("user_id");
if (job.get("name") != null) name = (String) job.get("name");
if (job.get("price") != null) price = (String) job.get("price");
if (job.get("servings") != null) servings = (String) job.get("servings");
if (job.get("description") != null) description = (String) job.get("description");
if (job.get("ingredients") != null) ingredients = (String) job.get("ingredients");
if (job.get("time") != null) time = (Long) job.get("time");
meal_price = Double.parseDouble(price);
meal_servings = Integer.valueOf(servings);
// convert image from BASE64 to normal size & thumbnail
if (image != null && !image.isEmpty()) {
// encode image to resize
BASE64Decoder decoder = new BASE64Decoder();
decodedBytes = decoder.decodeBuffer(image);
// create thumbnail; 96px,96px
InputStream in = new ByteArrayInputStream(decodedBytes);
BufferedImage bImageFromConvert = ImageIO.read(in);
BufferedImage bImage_small = Scalr.resize(bImageFromConvert, 96);
// convert BufferedImage to byte array
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ImageIO.write(bImage_small, "png", baos);
baos.flush();
imageInByte = baos.toByteArray();
// create middle-sized version, width is 250px
InputStream img_middle = new ByteArrayInputStream(decodedBytes);
BufferedImage bImage_middle = ImageIO.read(img_middle);
BufferedImage middle = Scalr.resize(bImage_middle, 250);
// convert BufferedImage to byte array
ByteArrayOutputStream baos2 = new ByteArrayOutputStream();
ImageIO.write(middle, "png", baos2);
baos2.flush();
middle_byte = baos2.toByteArray();
// blob-inputstreams
in_thumb = new ByteArrayInputStream(imageInByte);
in_image = new ByteArrayInputStream(decodedBytes);
in_image_middle = new ByteArrayInputStream(middle_byte);
}
// create INSERT statement
if (image == null) {
add_meal =
"INSERT INTO T_MEALS ( USER_ID, MEAL_NAME, MEAL_PRICE, MEAL_SERVINGS, MEAL_TIME, MEAL_DESCRIPTION, MEAL_INGREDIENTS ) "
+ "VALUES ('"
+ user_id
+ "', '"
+ name
+ "', "
+ meal_price
+ ", "
+ meal_servings
+ ", "
+ time
+ ", '"
+ description
+ "', '"
+ ingredients
+ "')";
stmt = conn.createStatement();
stmt.executeQuery(add_meal);
// get the new ID of this place
Long meal_id = (long) 0;
PreparedStatement getMealID =
conn.prepareStatement(
"Select meal_id from T_MEALS where MEAL_NAME = '"
+ name
+ "' and user_id = '"
+ user_id
+ "'");
ResultSet id = getMealID.executeQuery();
if (id.next()) {
if (id.getString("meal_id") != null)
meal_id = (long) Integer.valueOf(id.getString("place_id"));
}
} else {
// statements to store images and meal
OraclePreparedStatement ps =
(OraclePreparedStatement)
conn.prepareStatement(
"INSERT INTO T_MEALS ( USER_ID, MEAL_NAME, MEAL_PRICE, MEAL_SERVINGS, MEAL_TIME, MEAL_DESCRIPTION, MEAL_INGREDIENTS, THUMBNAIL ) "
+ "VALUES ('"
+ user_id
+ "', '"
+ name
+ "', "
+ meal_price
+ ", "
+ meal_servings
+ ", "
+ time
+ ", '"
+ description
+ "', '"
+ ingredients
+ "' , ?)");
ps.setBinaryStream(1, in_thumb, imageInByte.length);
ps.executeUpdate();
// get the new ID of this place
Long meal_id = (long) 0;
PreparedStatement getMealID =
conn.prepareStatement(
"Select meal_id from T_MEALS where MEAL_NAME = '"
+ name
+ "' and user_id = '"
+ user_id
+ "'");
ResultSet id = getMealID.executeQuery();
if (id.next()) {
if (id.getString("meal_id") != null)
meal_id = (long) Integer.valueOf(id.getString("meal_id"));
// add pictures
PreparedStatement ps2 =
conn.prepareStatement(
"INSERT INTO T_IMAGES ( MEAL_ID, USER_ID, IMAGE, IMAGE_MIDDLE) VALUES("
+ String.valueOf(meal_id)
+ ","
+ user_id
+ ",?,?)");
ps2.setBinaryStream(1, in_image, decodedBytes.length);
ps2.setBinaryStream(2, in_image_middle, middle_byte.length);
ps2.executeUpdate();
}
conn.commit();
}
resp.setStatus(HttpServletResponse.SC_CREATED);
} catch (Exception e) {
resp.setStatus(HttpServletResponse.SC_CONFLICT);
e.printStackTrace();
} finally {
// close connection
dao.close(conn);
}
resp.setContentType("text/javascript");
resp.flushBuffer();
}
public void createThumbnail(MultipartFile multipartFile, String fileName, int thumbnailSize)
throws DdException, IOException {
boolean f = false;
for (String mime : mimeTypeAllow) {
if (mime.equalsIgnoreCase(multipartFile.getContentType())) {
f = true;
break;
}
}
if (!f) {
throw new DdException(
DdException.VALIDATION_EXCEPTION,
UploadUtil.FILE_TYPE_NOT_ALLOW_CODE,
UploadUtil.FILE_TYPE_NOT_ALLOW);
}
String fileNameTemp = "", fileExt = "";
fileNameTemp = multipartFile.getOriginalFilename();
if (fileNameTemp.indexOf(".") > -1) {
fileExt = fileNameTemp.substring(fileNameTemp.lastIndexOf("."), fileNameTemp.length());
}
fileExt = fileExt.toLowerCase();
// Check for valid file type upload file
if (fileTypeAllow.indexOf(fileExt) == -1) {
throw new DdException(
DdException.VALIDATION_EXCEPTION,
UploadUtil.FILE_TYPE_NOT_ALLOW_CODE,
UploadUtil.FILE_TYPE_NOT_ALLOW);
}
// Check for limit upload file
if (multipartFile.getSize() <= 0 || multipartFile.getSize() > fileSizeLimit) {
throw new DdException(
DdException.VALIDATION_EXCEPTION,
UploadUtil.FILE_SIZE_LIMIT_CODE,
UploadUtil.FILE_SIZE_LIMIT);
}
BufferedImage img = ImageIO.read(multipartFile.getInputStream());
int cropMargin = (int) Math.abs(Math.round(((img.getWidth() - img.getHeight()) / 2.0)));
// determine the crop coordinates
int x1 = 0;
int y1 = 0;
int width = img.getWidth();
int height = img.getHeight();
if (img.getWidth() > img.getHeight()) {
x1 = cropMargin;
width = height;
} else {
y1 = cropMargin;
height = width;
}
BufferedImage thumbnail = Scalr.crop(img, x1, y1, width, height);
thumbnail =
Scalr.resize(
thumbnail,
Scalr.Method.ULTRA_QUALITY,
Scalr.Mode.AUTOMATIC,
thumbnailSize,
thumbnailSize,
Scalr.OP_ANTIALIAS);
ImageIO.write(thumbnail, fileExt.substring(1), new File(path + fileName));
}