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tcc
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mini refactor

This commit is contained in:
José Henrique Ivanchechen 2023-08-16 15:58:01 -03:00
parent 6755d55342
commit 6f411c3c52
4 changed files with 68 additions and 40 deletions
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51
Controllers/Blur.cs
View File

@ -1,55 +1,30 @@
using ImageMagick;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc;
using TCC.Services;
namespace tcc_app.Controllers
namespace TCC.Controllers
{
[ApiController]
[Route("")]
public class ImageController : ControllerBase
{
private ImageService ImageService { get; set; }
public ImageController(ImageService imageService)
{
this.ImageService = imageService;
}
[HttpPost("blur")]
public async Task<IActionResult> BlurImage()
{
MemoryStream mstream = new MemoryStream();
await HttpContext.Request.Body.CopyToAsync(mstream);
mstream.Position = 0;
var image = new MagickImage(new MemoryStream(mstream.ToArray()));
var blurredImage = new MagickImage(image);
var pixels = image.GetPixels();
var blurredPixels = blurredImage.GetPixelsUnsafe();
foreach (var pixel in pixels)
{
int x = pixel.X,
y = pixel.Y;
long rTotal = 0, gTotal = 0, bTotal = 0;
int pixelCount = 0;
for (short offsetY = -5; offsetY <= 5; offsetY++)
{
for (short offsetX = -5; offsetX <= 5; offsetX++)
{
int newX = x + offsetX;
int newY = y + offsetY;
if (newX >= 0 && newX < image.Width && newY >= 0 && newY < image.Height)
{
var pixelColor = pixels[newX, newY];
rTotal += pixelColor.GetChannel(0);
gTotal += pixelColor.GetChannel(1);
bTotal += pixelColor.GetChannel(2);
pixelCount++;
}
}
}
blurredPixels[x, y].SetChannel(0, Convert.ToUInt16(rTotal / pixelCount));
blurredPixels[x, y].SetChannel(1, Convert.ToUInt16(gTotal / pixelCount));
blurredPixels[x, y].SetChannel(2, Convert.ToUInt16(bTotal / pixelCount));
}
var result = ImageService.BoxBlurImage(mstream, 5);
var blurredImageStream = new MemoryStream();
blurredImage.Write(blurredImageStream);
result.Write(blurredImageStream);
blurredImageStream.Position = 0;
return File(blurredImageStream, "image/png");

6
Program.cs
View File

@ -1,4 +1,6 @@
namespace tcc_app
using TCC.Services;
namespace TCC
{
public class Program
{
@ -6,6 +8,8 @@ namespace tcc_app
{
var builder = WebApplication.CreateBuilder(args);
builder.Services.AddScoped<ImageService>();
builder.Services.AddControllers();
var app = builder.Build();

2
Properties/Resources.Designer.cs generated
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@ -8,7 +8,7 @@
// </auto-generated>
//------------------------------------------------------------------------------
namespace tcc_app.Properties {
namespace TCC.Properties {
using System;

49
Services/ImageService.cs Normal file
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@ -0,0 +1,49 @@
using ImageMagick;
namespace TCC.Services
{
public class ImageService
{
public ImageService() { }
public MagickImage BoxBlurImage(Stream imageStream, int radius)
{
var image = new MagickImage(imageStream);
var blurredImage = new MagickImage(image);
var pixels = image.GetPixels();
var blurredPixels = blurredImage.GetPixelsUnsafe();
foreach (var pixel in pixels)
{
int x = pixel.X,
y = pixel.Y;
long rTotal = 0, gTotal = 0, bTotal = 0;
int pixelCount = 0;
for (int offsetY = -radius; offsetY <= radius; offsetY++)
{
for (int offsetX = -radius; offsetX <= radius; offsetX++)
{
int newX = x + offsetX;
int newY = y + offsetY;
if (newX >= 0 && newX < image.Width && newY >= 0 && newY < image.Height)
{
var pixelColor = pixels[newX, newY];
rTotal += pixelColor.GetChannel(0);
gTotal += pixelColor.GetChannel(1);
bTotal += pixelColor.GetChannel(2);
pixelCount++;
}
}
}
blurredPixels[x, y].SetChannel(0, Convert.ToUInt16(rTotal / pixelCount));
blurredPixels[x, y].SetChannel(1, Convert.ToUInt16(gTotal / pixelCount));
blurredPixels[x, y].SetChannel(2, Convert.ToUInt16(bTotal / pixelCount));
}
return blurredImage;
}
}
}