| public GetPathToResizedImage ( string originalPath, bool getThumbnail = false ) : string | ||
| originalPath | string | |
| getThumbnail | bool | |
| return | string | |
public void GetTinyImage_DoesNotChangeSize()
{
using (var cache = new RuntimeImageProcessor(new BookRenamedEvent()) { TargetDimension = 100 })
using (var file = MakeTempPNGImage(10,10))
{
using (var img = ImageUtils.GetImageFromFile(cache.GetPathToResizedImage(file.Path)))
{
Assert.AreEqual(10, img.Width);
}
}
}
public void GetWideImage_ReturnsShrunkImageWithCorrectProportions()
{
using (var cache = new RuntimeImageProcessor(new BookRenamedEvent()) { TargetDimension = 100 })
using (var file = MakeTempPNGImage(200,80))
{
using(var img = ImageUtils.GetImageFromFile(cache.GetPathToResizedImage(file.Path)))
{
Assert.AreEqual(100, img.Width);
Assert.AreEqual(40, img.Height);
}
}
}
public void GetJPG_ReturnsShrunkJPG()
{
using (var cache = new RuntimeImageProcessor(new BookRenamedEvent()) { TargetDimension = 100 })
using (var file = MakeTempJPGImage(200, 80))
{
var pathToResizedImage = cache.GetPathToResizedImage(file.Path);
using (var img = ImageUtils.GetImageFromFile(pathToResizedImage))
{
Assert.AreEqual(".jpg", Path.GetExtension(pathToResizedImage));
//TODO: why does this always report PNG format? Checks by hand of the file show it as jpg
//Assert.AreEqual(ImageFormat.Jpeg.Guid, img.RawFormat.Guid);
Assert.AreEqual(100, img.Width);
Assert.AreEqual(40, img.Height);
}
}
}
protected override bool ProcessRequest(IRequestInfo info)
{
if (base.ProcessRequest(info))
{
return(true);
}
if (!_useCache)
{
return(false);
}
var imageFile = GetLocalPathWithoutQuery(info);
// only process images
var isSvg = imageFile.EndsWith(".svg", StringComparison.OrdinalIgnoreCase);
if (!IsImageTypeThatCanBeDegraded(imageFile) && !isSvg)
{
return(false);
}
imageFile = imageFile.Replace("thumbnail", "");
var processImage = !isSvg;
if (imageFile.StartsWith(OriginalImageMarker + "/"))
{
processImage = false;
imageFile = imageFile.Substring((OriginalImageMarker + "/").Length);
if (!RobustFile.Exists(imageFile))
{
// We didn't find the file here, and don't want to use the following else if or we could errantly
// find it in the browser root. For example, this outer if (imageFile.StartsWith...) was added because
// we were accidentally finding license.png in a template book. See BL-4290.
return(false);
}
}
// This happens with the new way we are serving css files
else if (!RobustFile.Exists(imageFile))
{
var fileName = Path.GetFileName(imageFile);
var sourceDir = FileLocator.GetDirectoryDistributedWithApplication(BloomFileLocator.BrowserRoot);
imageFile = Directory.EnumerateFiles(sourceDir, fileName, SearchOption.AllDirectories).FirstOrDefault();
// image file not found
if (string.IsNullOrEmpty(imageFile))
{
return(false);
}
// BL-2368: Do not process files from the BloomBrowserUI directory. These files are already in the state we
// want them. Running them through _cache.GetPathToResizedImage() is not necessary, and in PNG files
// it converts all white areas to transparent. This is resulting in icons which only contain white
// (because they are rendered on a dark background) becoming completely invisible.
processImage = false;
}
var originalImageFile = imageFile;
if (processImage)
{
// thumbnail requests have the thumbnail parameter set in the query string
var thumb = info.GetQueryParameters()["thumbnail"] != null;
imageFile = _cache.GetPathToResizedImage(imageFile, thumb);
if (string.IsNullOrEmpty(imageFile))
{
return(false);
}
}
info.ReplyWithImage(imageFile, originalImageFile);
return(true);
}
