public static Fotka AddPhotoTypeToPhoto(Fotka photo, TypFotky type)
{
var doSave = false;
if(photo.TypyFotek == null)
{
photo.TypyFotek = new List<TypFotky>{type};
doSave = true;
}
else
{
if(photo.TypyFotek.All(p => p.SystemName.ToLower() != type.SystemName.ToLower()))
{
photo.TypyFotek.Add(type);
doSave = true;
}
}
if(doSave)
{
Save(photo);
}
return photo;
}
public static void ResizeImage(Fotka fotka, TypFotky fromType, TypFotky targetType)
{
if(FotkaManager.FotkaTypExist(fotka, targetType))
{
//TODO: double check photoType really exists on disk.
return;
}
ResizeImage(fotka, fromType, targetType, null);
}
public static string GetPhotoFullPath(Fotka fotka, TypFotky photoType)
{
if (fotka == null || photoType == null) { throw new ArgumentException("fotka nebo typ"); }
if (fotka.TypyFotek != null && fotka.TypyFotek.Any(f => f.SystemName.ToLower() == photoType.SystemName.ToLower()))
{
var typeFolder = fotka.TypyFotek.First(f => f.SystemName.ToLower() == photoType.SystemName.ToLower()).Adresar;
return HttpContext.Current.Server.MapPath(string.Format("{0}/{1}/{2}", fotka.BaseFotkaVirtualPath, typeFolder, fotka.NazevSouboru));
}
throw new Exception(string.Format("U fotky id: {0} není definice originálu!", fotka.Id));
}
public static bool FotkaTypExist(Fotka fotka, TypFotky typ)
{
return fotka.TypyFotek.Any(tf => tf.Id == typ.Id);
}
public static void Update(TypFotky updatedItem)
{
var originalItem = DbContext.Current.Single<TypFotky>(t => t.Id == updatedItem.Id);
DbContext.Current.Update(originalItem, updatedItem);
}
public static void Save(TypFotky typFotky)
{
DbContext.Current.Add(typFotky);
}
public static void ResizeImage(Fotka fotka, TypFotky fromType, TypFotky targetType, string savePath)
{
var thumb = DoResizeImage(fotka, fromType, targetType);
if(string.IsNullOrEmpty(savePath))
{
SaveImage(thumb, fotka, targetType);
}
else
{
SaveImage(thumb, savePath, fotka.NazevSouboru);
}
}
private static void SaveImage(Bitmap thumbImage, Fotka fotka, TypFotky targetType)
{
var targetTypeDirectory = HttpContext.Current.Server.MapPath(string.Format(@"{0}\{1}", fotka.BaseFotkaVirtualPath, targetType.Adresar));
SaveImage(thumbImage, targetTypeDirectory, fotka.NazevSouboru);
}
public static int[] GetImageDimensions(Fotka fotka, TypFotky photoType)
{
var fullPath = GetPhotoFullPath(fotka, photoType);
return GetImageDimensions(fullPath);
}
private static Bitmap DoResizeImage(Fotka fotka, TypFotky fromType, TypFotky targetType)
{
var fullPath = GetPhotoFullPath(fotka, fromType);
var origImage = LoadImage(fullPath);
int resX = targetType.X;
int resY;
float ratio;
//obrazek na sirku nebo ctverec:
if (origImage.Width >= origImage.Height)
{
ratio = (float)origImage.Height / (float)origImage.Width;
resY = Convert.ToInt32(resX * ratio);
}
else //obrazek na vysku.
{
if(targetType.Y.HasValue) //mam zadanou vysku
{
resY = targetType.Y.Value;
ratio = (float)origImage.Width / (float)origImage.Height;
resX = Convert.ToInt32(resY * ratio);
}
else //pokud nemam zadanou vysku, musim to resizovat podle zadane sirky
{
ratio = (float)origImage.Height / (float)origImage.Width;
resY = Convert.ToInt32(resX * ratio);
}
}
var thumbImage = new Bitmap(resX, resY, origImage.PixelFormat);
Graphics g = Graphics.FromImage(thumbImage);
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.SmoothingMode = SmoothingMode.HighQuality;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.CompositingQuality = CompositingQuality.HighQuality;
var oRectangle = new Rectangle(0, 0, resX, resY);
g.DrawImage(origImage, oRectangle);
if (resX < origImage.Width)
{
var si = new SharpeningImage();
si.Filter(thumbImage);
}
origImage.Dispose();
return thumbImage;
}
