protected void storeThumbnailImages(FileVersion fileVersion, File file) throws Exception {
ImageBag imageBag = ImageToolUtil.read(file);
RenderedImage renderedImage = imageBag.getRenderedImage();
storeThumbnailImages(fileVersion, renderedImage);
}
protected void serveTempImageFile(MimeResponse mimeResponse, InputStream tempImageStream)
throws Exception {
ImageBag imageBag = ImageToolUtil.read(tempImageStream);
byte[] bytes = ImageToolUtil.getBytes(imageBag.getRenderedImage(), imageBag.getType());
String contentType = MimeTypesUtil.getExtensionContentType(imageBag.getType());
mimeResponse.setContentType(contentType);
PortletResponseUtil.write(mimeResponse, bytes);
}
protected Image getImage(InputStream is, byte[] bytes) throws PortalException, SystemException {
try {
if (is != null) {
bytes = FileUtil.getBytes(is);
}
ImageBag imageBag = ImageProcessorUtil.read(bytes);
RenderedImage renderedImage = imageBag.getRenderedImage();
String type = imageBag.getType();
if (renderedImage == null) {
throw new ImageTypeException();
}
int height = renderedImage.getHeight();
int width = renderedImage.getWidth();
int size = bytes.length;
Image image = new ImageImpl();
image.setTextObj(bytes);
image.setType(type);
image.setHeight(height);
image.setWidth(width);
image.setSize(size);
return image;
} catch (IOException ioe) {
throw new SystemException(ioe);
} finally {
if (is != null) {
try {
is.close();
} catch (IOException ioe) {
if (_log.isWarnEnabled()) {
_log.warn(ioe);
}
}
}
}
}
protected byte[] getImageBytes(HttpServletRequest request, Image image) {
try {
if (!PropsValues.IMAGE_AUTO_SCALE) {
return image.getTextObj();
}
ImageBag imageBag = null;
if (image.getImageId() == 0) {
imageBag = ImageToolUtil.read(image.getTextObj());
RenderedImage renderedImage = imageBag.getRenderedImage();
image.setHeight(renderedImage.getHeight());
image.setWidth(renderedImage.getWidth());
}
int height = ParamUtil.getInteger(request, "height", image.getHeight());
int width = ParamUtil.getInteger(request, "width", image.getWidth());
if ((height >= image.getHeight()) && (width >= image.getWidth())) {
return image.getTextObj();
}
if (image.getImageId() != 0) {
imageBag = ImageToolUtil.read(image.getTextObj());
}
RenderedImage renderedImage = ImageToolUtil.scale(imageBag.getRenderedImage(), height, width);
return ImageToolUtil.getBytes(renderedImage, imageBag.getType());
} catch (Exception e) {
if (_log.isWarnEnabled()) {
_log.warn("Error scaling image " + image.getImageId(), e);
}
}
return image.getTextObj();
}
@Override
protected void storeThumbnailImages(FileVersion fileVersion, File file) throws Exception {
if (!hasThumbnail(fileVersion, THUMBNAIL_INDEX_DEFAULT)) {
addFileToStore(
fileVersion.getCompanyId(),
THUMBNAIL_PATH,
getThumbnailFilePath(fileVersion, THUMBNAIL_INDEX_DEFAULT),
file);
}
if (isThumbnailEnabled(THUMBNAIL_INDEX_CUSTOM_1)
|| isThumbnailEnabled(THUMBNAIL_INDEX_CUSTOM_2)) {
ImageBag imageBag = ImageToolUtil.read(file);
RenderedImage renderedImage = imageBag.getRenderedImage();
storeThumbnailImage(fileVersion, renderedImage, THUMBNAIL_INDEX_CUSTOM_1);
storeThumbnailImage(fileVersion, renderedImage, THUMBNAIL_INDEX_CUSTOM_2);
}
}
protected Image getImage(InputStream is, byte[] bytes, boolean cleanUpStream)
throws PortalException, SystemException {
try {
if (is != null) {
bytes = FileUtil.getBytes(is, -1, cleanUpStream);
}
if (bytes == null) {
return null;
}
ImageBag imageBag = ImageToolUtil.read(bytes);
RenderedImage renderedImage = imageBag.getRenderedImage();
String type = imageBag.getType();
if (renderedImage == null) {
throw new ImageTypeException();
}
int height = renderedImage.getHeight();
int width = renderedImage.getWidth();
int size = bytes.length;
Image image = new ImageImpl();
image.setTextObj(bytes);
image.setType(type);
image.setHeight(height);
image.setWidth(width);
image.setSize(size);
return image;
} catch (IOException ioe) {
throw new SystemException(ioe);
}
}
public Properties generate(
ServletContext servletContext,
List<URL> imageURLs,
String spriteRootDirName,
String spriteFileName,
String spritePropertiesFileName,
String rootPath,
int maxHeight,
int maxWidth,
int maxSize)
throws IOException {
if (imageURLs.size() < 1) {
return null;
}
Collections.sort(imageURLs, new PropertyComparator("path"));
File spriteRootDir = null;
if (Validator.isNull(spriteRootDirName)) {
File tempDir =
(File) servletContext.getAttribute(JavaConstants.JAVAX_SERVLET_CONTEXT_TEMPDIR);
spriteRootDir = new File(tempDir, SpriteProcessor.PATH);
} else {
spriteRootDir = new File(spriteRootDirName);
}
spriteRootDir.mkdirs();
File spritePropertiesFile = new File(spriteRootDir, spritePropertiesFileName);
File spritePropertiesParentFile = spritePropertiesFile.getParentFile();
spritePropertiesParentFile.mkdirs();
boolean build = false;
long lastModified = 0;
if (spritePropertiesFile.exists()) {
lastModified = spritePropertiesFile.lastModified();
URLConnection urlConnection = null;
for (URL imageURL : imageURLs) {
urlConnection = imageURL.openConnection();
if ((urlConnection != null) && (urlConnection.getLastModified() > lastModified)) {
build = true;
break;
}
}
} else {
build = true;
}
if (!build) {
String spritePropertiesString = FileUtil.read(spritePropertiesFile);
if (Validator.isNull(spritePropertiesString)) {
return null;
} else {
return PropertiesUtil.load(spritePropertiesString);
}
}
List<RenderedImage> renderedImages = new ArrayList<RenderedImage>();
Properties spriteProperties = new SortedProperties();
float x = 0;
float y = 0;
URLConnection urlConnection = null;
for (URL imageURL : imageURLs) {
urlConnection = imageURL.openConnection();
if ((urlConnection != null) && (urlConnection.getContentLength() > maxSize)) {
continue;
}
try {
ImageBag imageBag = ImageToolUtil.read(urlConnection.getInputStream());
RenderedImage renderedImage = imageBag.getRenderedImage();
int height = renderedImage.getHeight();
int width = renderedImage.getWidth();
if ((height <= maxHeight) && (width <= maxWidth)) {
renderedImage = convert(renderedImage);
renderedImage = TranslateDescriptor.create(renderedImage, x, y, null, null);
renderedImages.add(renderedImage);
String key = imageURL.getPath();
int pos = key.indexOf(rootPath);
if (pos == 0) {
key = key.substring(rootPath.length());
}
String contextPath = ContextPathUtil.getContextPath(servletContext);
key = contextPath.concat(key);
String value = (int) y + "," + height + "," + width;
spriteProperties.setProperty(key, value);
y += renderedImage.getHeight();
}
} catch (Exception e) {
if (_log.isWarnEnabled()) {
_log.warn("Unable to process " + imageURL);
}
if (_log.isDebugEnabled()) {
_log.debug(e, e);
}
}
}
if (renderedImages.size() <= 1) {
renderedImages.clear();
spriteProperties.clear();
} else {
// PNG
RenderedImage renderedImage =
MosaicDescriptor.create(
renderedImages.toArray(new RenderedImage[renderedImages.size()]),
MosaicDescriptor.MOSAIC_TYPE_OVERLAY,
null,
null,
null,
null,
null);
File spriteFile = new File(spriteRootDir, spriteFileName);
spriteFile.mkdirs();
ImageIO.write(renderedImage, "png", spriteFile);
if (lastModified > 0) {
spriteFile.setLastModified(lastModified);
}
ImageWorker imageWorker = new ImageWorker(renderedImage);
imageWorker.forceIndexColorModelForGIF(true);
// GIF
renderedImage = imageWorker.getPlanarImage();
spriteFile = new File(spriteRootDir, StringUtil.replace(spriteFileName, ".png", ".gif"));
FileOutputStream fos = new FileOutputStream(spriteFile);
try {
ImageToolUtil.encodeGIF(renderedImage, fos);
} finally {
fos.close();
}
if (lastModified > 0) {
spriteFile.setLastModified(lastModified);
}
}
FileUtil.write(spritePropertiesFile, PropertiesUtil.toString(spriteProperties));
if (lastModified > 0) {
spritePropertiesFile.setLastModified(lastModified);
}
return spriteProperties;
}
protected FileEntry saveTempImageFileEntry(ActionRequest actionRequest) throws Exception {
FileEntry tempFileEntry = null;
InputStream tempImageStream = null;
try {
tempFileEntry = getTempImageFileEntry(actionRequest);
tempImageStream = tempFileEntry.getContentStream();
ImageBag imageBag = ImageToolUtil.read(tempImageStream);
RenderedImage renderedImage = imageBag.getRenderedImage();
String cropRegionJSON = ParamUtil.getString(actionRequest, "cropRegion");
if (Validator.isNotNull(cropRegionJSON)) {
JSONObject jsonObject = JSONFactoryUtil.createJSONObject(cropRegionJSON);
int height = jsonObject.getInt("height");
int width = jsonObject.getInt("width");
int x = jsonObject.getInt("x");
int y = jsonObject.getInt("y");
if ((x == 0)
&& (y == 0)
&& (renderedImage.getHeight() == height)
&& (renderedImage.getWidth() == width)) {
return tempFileEntry;
}
if ((height + y) > renderedImage.getHeight()) {
height = renderedImage.getHeight() - y;
}
if ((width + x) > renderedImage.getWidth()) {
width = renderedImage.getWidth() - x;
}
renderedImage = ImageToolUtil.crop(renderedImage, height, width, x, y);
}
byte[] bytes = ImageToolUtil.getBytes(renderedImage, imageBag.getType());
ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY);
File file = FileUtil.createTempFile(bytes);
try {
TempFileEntryUtil.deleteTempFileEntry(
themeDisplay.getScopeGroupId(),
themeDisplay.getUserId(),
getTempImageFolderName(),
getTempImageFileName(actionRequest));
} catch (Exception e) {
}
return TempFileEntryUtil.addTempFileEntry(
themeDisplay.getScopeGroupId(),
themeDisplay.getUserId(),
getTempImageFolderName(),
getTempImageFileName(actionRequest),
file,
tempFileEntry.getMimeType());
} catch (NoSuchFileEntryException nsfee) {
throw new UploadException(nsfee);
} catch (NoSuchRepositoryException nsre) {
throw new UploadException(nsre);
} finally {
StreamUtil.cleanUp(tempImageStream);
}
}