private static void GenerateCrop(Preset preset, string imgUrl, Config config, StringBuilder sbRaw)
{
if (string.IsNullOrEmpty(preset.Name))
return;
var imgInfo = new ImageInfo(imgUrl);
var data = new SaveData(sbRaw.ToString());
imgInfo.GenerateThumbnails(data, config);
}
public string Xml(Config config, ImageInfo imageInfo)
{
var doc = CreateBaseXmlDocument();
var root = doc.DocumentElement;
if (root == null) return null;
var dateStampNode = doc.CreateNode(XmlNodeType.Attribute, "date", null);
dateStampNode.Value = imageInfo.DateStamp.ToString("s");
root.Attributes.SetNamedItem(dateStampNode);
for (var i = 0; i < Data.Count; i++)
{
var crop = (Crop)Data[i];
var preset = config.Presets[i];
var newNode = doc.CreateElement("crop");
var nameNode = doc.CreateNode(XmlNodeType.Attribute, "name", null);
nameNode.Value = preset.Name;
newNode.Attributes.SetNamedItem(nameNode);
var xNode = doc.CreateNode(XmlNodeType.Attribute, "x", null);
xNode.Value = crop.X.ToString(CultureInfo.InvariantCulture);
newNode.Attributes.SetNamedItem(xNode);
var yNode = doc.CreateNode(XmlNodeType.Attribute, "y", null);
yNode.Value = crop.Y.ToString(CultureInfo.InvariantCulture);
newNode.Attributes.SetNamedItem(yNode);
var x2Node = doc.CreateNode(XmlNodeType.Attribute, "x2", null);
x2Node.Value = crop.X2.ToString(CultureInfo.InvariantCulture);
newNode.Attributes.SetNamedItem(x2Node);
var y2Node = doc.CreateNode(XmlNodeType.Attribute, "y2", null);
y2Node.Value = crop.Y2.ToString(CultureInfo.InvariantCulture);
newNode.Attributes.SetNamedItem(y2Node);
if (config.GenerateImages)
{
var urlNode = doc.CreateNode(XmlNodeType.Attribute, "url", null);
urlNode.Value = String.Format("{0}/{1}_{2}.jpg",
imageInfo.RelativePath.Substring(0, imageInfo.RelativePath.LastIndexOf('/')),
imageInfo.Name,
preset.Name);
newNode.Attributes.SetNamedItem(urlNode);
}
root.AppendChild(newNode);
}
return doc.InnerXml;
}
static void MediaServiceSaved(IMediaService sender, Umbraco.Core.Events.SaveEventArgs<IMedia> e)
{
foreach (var media in e.SavedEntities)
{
foreach (var propertyType in media.PropertyTypes)
{
var type = propertyType;
if (type.DataTypeId != new Guid(Constants.PropertyEditors.ImageCropper))
continue;
var preValues = UmbracoContext.Current.Application.Services.DataTypeService.GetPreValuesByDataTypeId(type.DataTypeDefinitionId).Single();
var config = new Config(preValues);
Property uploadFieldProperty = null;
foreach (var propType in media.PropertyTypes.Where(propType => propType.DataTypeId == new Guid(Constants.PropertyEditors.UploadField)))
uploadFieldProperty = media.Properties.FirstOrDefault(p => p.Alias == propType.Alias);
if (uploadFieldProperty == null || uploadFieldProperty.Value == null || string.IsNullOrWhiteSpace(uploadFieldProperty.Value.ToString()))
continue;
var imgUrl = uploadFieldProperty.Value.ToString();
var imgUrlWithoutExtension = imgUrl.Substring(0, imgUrl.LastIndexOf('.'));
Property cropProperty = null;
foreach (var propType in media.PropertyTypes.Where(propType => propType.Alias == type.Alias))
cropProperty = media.Properties.Single(p => p.Alias == propType.Alias);
if ((cropProperty == null ||
(cropProperty.Value != null && string.IsNullOrEmpty(cropProperty.Value.ToString()) == false &&
cropProperty.Value.ToString().Contains(imgUrlWithoutExtension + "_"))))
continue;
int imgWidth;
using (var img = new Bitmap(HttpContext.Current.Server.MapPath(imgUrl)))
imgWidth = img.Width;
if (imgWidth == 0)
continue;
var presets = config.Presets;
var sbRaw = new StringBuilder();
var imageInfo = new ImageInfo(imgUrl);
var cropIndex = 1;
foreach (var preset in presets)
{
Crop crop;
if (imageInfo.Exists)
{
crop = preset.Fit(imageInfo);
}
else
{
crop.X = 0;
crop.Y = 0;
crop.X2 = preset.TargetWidth;
crop.Y2 = preset.TargetHeight;
}
sbRaw.Append(String.Format("{0},{1},{2},{3}", crop.X, crop.Y, crop.X2, crop.Y2));
if (cropIndex < presets.Count)
{
sbRaw.Append(";");
}
if (config.GenerateImages)
{
GenerateCrop(preset, imgUrl, config, sbRaw);
}
cropIndex++;
}
var saveData = new SaveData(sbRaw.ToString());
media.SetValue(cropProperty.Alias, saveData.Xml(config, imageInfo));
UmbracoContext.Current.Application.Services.MediaService.Save(media, 0, false);
}
}
}
