public bool CreateThumbnail(CropFrom cropFrom = CropFrom.Center)
{
switch (this.imageSize.cropType)
{
case CropType.Square:
return(Graphics.CreateSquareCroppedThumbnail(this.imageSize.height,
this.paths.originalImage.paths.diskFullPath, this.paths.diskFullPathBase64, cropFrom));
case CropType.Panoramic:
return(Graphics.CreatePanoramicThumbnail(this.imageSize.width, Graphics.panoramicAspectRatio, this.paths.originalImage.paths.diskFullPath,
this.paths.diskFullPathBase64, cropFrom));
default:
return(Graphics.CreateThumbnailToWidthHeight(this.imageSize.width, this.imageSize.height,
this.paths.originalImage.paths.diskFullPath, this.paths.diskFullPathBase64));
}
}
public static double panoramicAspectRatio = (double)0.675; /* height / width */
public static bool CreatePanoramicThumbnail(int width, double aspectRatio, string serverpath, string thumbpath, CropFrom cropFrom = CropFrom.Center)
{
try
{
if (!File.Exists(thumbpath))
{
using (MagickImage image = new MagickImage(serverpath))
{
/* first get crop shape */
int imageWidthToCropTo = image.Width;
int imageHeightToCropTo;
int requiredHeight = (int)(image.Width * aspectRatio);
if (image.Height < requiredHeight)
{
imageWidthToCropTo = (int)(image.Height / aspectRatio);
imageHeightToCropTo = image.Height;
}
else
{
imageHeightToCropTo = requiredHeight;
}
/* then get crop offsets */
int x = 0;
int y = 0;
switch (cropFrom)
{
case CropFrom.Center:
x = (image.Width - imageWidthToCropTo) / 2;
y = (image.Height - imageHeightToCropTo) / 2;
break;
case CropFrom.Bottom:
x = (image.Width - imageWidthToCropTo) / 2;
y = (image.Height - imageHeightToCropTo);
break;
case CropFrom.Top:
x = (image.Width - imageWidthToCropTo) / 2;
y = 0;
break;
case CropFrom.Left:
x = 0;
y = (image.Height - imageHeightToCropTo) / 2;
break;
case CropFrom.Right:
x = (image.Width - imageWidthToCropTo);
y = (image.Height - imageHeightToCropTo) / 2;
break;
}
MagickGeometry size = new MagickGeometry(x, y, imageWidthToCropTo, imageHeightToCropTo);
size.IgnoreAspectRatio = false;
image.Crop(size);
/* get final image at smaller size */
MagickGeometry finalsize = new MagickGeometry(0, 0, width, (int)(width * aspectRatio));
image.Resize(finalsize);
image.Write(thumbpath);
}
}
}
catch (Exception)
{
return(false);
}
return(true);
}
public static bool CreateSquareCroppedThumbnail(int dimension, string serverpath, string thumbpath, CropFrom cropFrom = CropFrom.Center)
{
try
{
if (!File.Exists(thumbpath))
{
using (MagickImage image = new MagickImage(serverpath))
{
// need to resize to roughly right size then crop
int roughSize;
int x = 0;
int y = 0;
if (image.Height < image.Width)
{
roughSize = (int)((double)dimension / image.Height * image.Width);
}
else
{
roughSize = (int)((double)dimension / image.Width * image.Height);
}
MagickGeometry roughsize = new MagickGeometry(roughSize + 3, roughSize + 3);
image.Resize(roughsize);
switch (cropFrom)
{
case CropFrom.Center:
if (image.Height < image.Width) // center crop
{
x = (int)((image.Width - image.Height) / 2);
}
else
{
y = (int)((image.Height - image.Width) / 2);
}
break;
case CropFrom.Bottom:
if (image.Height > image.Width)
{
y = (int)(image.Height - image.Width);
}
break;
case CropFrom.Top:
// y = 0
break;
case CropFrom.Left:
// x = 0
break;
case CropFrom.Right:
if (image.Height < image.Width)
{
x = (int)(image.Width - image.Height);
}
break;
}
MagickGeometry size = new MagickGeometry(x, y, dimension, dimension);
size.IgnoreAspectRatio = false;
image.Crop(size);
image.Write(thumbpath);
}
}
}
catch (Exception)
{
return(false);
}
return(true);
}
/// <summary>
/// Initializes a new instance of the <see cref="T:AGS.API.AGSCropInfo"/> struct.
/// </summary>
/// <param name="boundingBox">Bounding box.</param>
/// <param name="textureBox">Texture box.</param>
/// <param name="cropFrom">The direction the item was cropped from, if fully cropped.</param>
public AGSCropInfo(AGSBoundingBox boundingBox, FourCorners <Vector2> textureBox, CropFrom cropFrom)
{
TextureBox = textureBox;
BoundingBox = boundingBox;
CropFrom = cropFrom;
}
