83 lines
3.9 KiB
C#
83 lines
3.9 KiB
C#
using System.Drawing;
|
|
using System.Text;
|
|
using View_by_Distance.Shared.Models;
|
|
using View_by_Distance.Shared.Models.Methods;
|
|
using View_by_Distance.Shared.Models.Properties;
|
|
|
|
namespace View_by_Distance.BlurHash.Models;
|
|
|
|
public class C2_BlurHasher : IBlurHasher
|
|
{
|
|
|
|
private readonly IPropertyConfiguration _PropertyConfiguration;
|
|
private readonly IReadOnlyDictionary<string, string[]> _FileGroups;
|
|
|
|
public C2_BlurHasher(IPropertyConfiguration propertyConfiguration, string? resultsFullGroupDirectory)
|
|
{
|
|
_PropertyConfiguration = propertyConfiguration;
|
|
_FileGroups = Shared.Models.Stateless.Methods.IPath.GetKeyValuePairs(propertyConfiguration, resultsFullGroupDirectory, new string[] { propertyConfiguration.ResultContent, propertyConfiguration.ResultSingleton });
|
|
}
|
|
|
|
string IBlurHasher.Encode(FileHolder fileHolder)
|
|
{
|
|
string result;
|
|
#pragma warning disable CA1416
|
|
Image image = Image.FromFile(fileHolder.FullName);
|
|
(int componentsX, int componentsY) = image.Width < image.Height ? (4, 3) : (3, 4);
|
|
ReadOnlySpan<char> blurHash = System.Drawing.BlurHash.BlurHasher.Encode(image, componentsX, componentsY);
|
|
image.Dispose();
|
|
#pragma warning restore CA1416
|
|
result = blurHash.ToString();
|
|
return result;
|
|
}
|
|
|
|
string IBlurHasher.GetFile(FileHolder fileHolder)
|
|
{
|
|
string result;
|
|
(_, int directoryIndex) = Shared.Models.Stateless.Methods.IPath.GetDirectoryNameAndIndex(_PropertyConfiguration.ResultAllInOneSubdirectoryLength, fileHolder.Name);
|
|
result = Path.Combine(_FileGroups[_PropertyConfiguration.ResultSingleton][directoryIndex], $"{fileHolder.Name}.csv");
|
|
return result;
|
|
}
|
|
|
|
string IBlurHasher.EncodeAndSave(FileHolder fileHolder)
|
|
{
|
|
string result;
|
|
int actualByte;
|
|
string extension = ".png";
|
|
IBlurHasher blurHasher = this;
|
|
string file = blurHasher.GetFile(fileHolder);
|
|
#pragma warning disable CA1416
|
|
Image image = Image.FromFile(fileHolder.FullName);
|
|
int outputWidth = (int)(image.Width * .25);
|
|
int outputHeight = (int)(image.Height * .25);
|
|
(int componentsX, int componentsY) = image.Width < image.Height ? (4, 3) : (3, 4);
|
|
ReadOnlySpan<char> blurHash = System.Drawing.BlurHash.BlurHasher.Encode(image, componentsX, componentsY);
|
|
using Image actualImage = System.Drawing.BlurHash.BlurHasher.Decode(blurHash, outputWidth, outputHeight);
|
|
result = blurHash.ToString();
|
|
byte[] blurHashBytes = Encoding.UTF8.GetBytes(result);
|
|
string joined = string.Join(string.Empty, blurHashBytes.Select(l => l.ToString("000")));
|
|
string fileNameWithoutExtension = $"{componentsX}x{componentsY}-{outputWidth}x{outputHeight}-{joined}";
|
|
string contents = string.Concat(result, Environment.NewLine, fileNameWithoutExtension, Environment.NewLine, extension);
|
|
_ = Shared.Models.Stateless.Methods.IPath.WriteAllText(file, contents, updateDateWhenMatches: false, compareBeforeWrite: true, updateToWhenMatches: null);
|
|
(_, int directoryIndex) = Shared.Models.Stateless.Methods.IPath.GetDirectoryNameAndIndex(_PropertyConfiguration.ResultAllInOneSubdirectoryLength, joined);
|
|
file = Path.Combine(_FileGroups[_PropertyConfiguration.ResultContent][directoryIndex], $"{fileNameWithoutExtension}{extension}");
|
|
if (!File.Exists(file))
|
|
{
|
|
try
|
|
{
|
|
using FileStream fileStream = new(file, FileMode.CreateNew);
|
|
actualImage.Save(fileStream, System.Drawing.Imaging.ImageFormat.Png);
|
|
_ = fileStream.Seek(0, SeekOrigin.Begin);
|
|
actualByte = fileStream.ReadByte();
|
|
while (actualByte > -1)
|
|
actualByte = fileStream.ReadByte();
|
|
}
|
|
catch (Exception) { }
|
|
}
|
|
image.Dispose();
|
|
#pragma warning restore CA1416
|
|
result = blurHash.ToString();
|
|
return result;
|
|
}
|
|
|
|
} |