private static ImageSliceContext TryCalculateSliceSize(ImageSliceContext context)
{
return ImageSliceContext.Create(
context.OriginalFile,
context.Image,
context.Image.Select(SliceCalculator.TryCalculateSliceDimensions)
);
}
private static Maybe<ImageJob> Convert(ImageSliceContext context)
{
return from path in context.OriginalFile
from sliceImagePath in context.SlicedImageFile
select new ImageJob
{
OriginalFilePath = path,
SliceImagePath = sliceImagePath,
};
}
private static ImageSliceContext DisposeOfImageResources(ImageSliceContext context)
{
using (context)
{
return ImageSliceContext.Create(
context.OriginalFile,
Maybe<Image>.Nothing,
context.SliceSize,
Maybe<Image>.Nothing,
context.SlicedImageFile
);
}
}
private static ImageSliceContext TryWriteSliceImage(ImageSliceContext context)
{
var finalSliceImagePath = from sliceImage in context.SlicedImage
from originalImagePath in context.OriginalFile
from sliceImagePath in TryGetSlicedImagePath(originalImagePath)
select TryWriteSliceImage(sliceImage, sliceImagePath);
return ImageSliceContext.Create(
context.OriginalFile,
context.Image,
context.SliceSize,
context.SlicedImage,
finalSliceImagePath
);
}
private static ImageSliceContext TrySliceImage(ImageSliceContext context)
{
Maybe<Image> slicedImage = from originalFile in context.OriginalFile
from image in context.Image
from sliceSize in context.SliceSize
select ImageTransformations.TryCropImage(image, sliceSize.Point, sliceSize.Size);
return ImageSliceContext.Create(
context.OriginalFile,
context.Image,
context.SliceSize,
slicedImage
);
}
private static ImageSliceContext TryLoadImage(ImageSliceContext context)
{
return ImageSliceContext.Create(
context.OriginalFile,
context.OriginalFile.Select(CommonFunctions.TryLoadImage)
);
}