完成验证码及登录功能
This commit is contained in:
橙子
@@ -0,0 +1,410 @@
|
||||
/*MIT License
|
||||
|
||||
Copyright(c) 2017 Mirza Ghulam Rasyid
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
of this software and associated documentation files (the "Software"), to deal
|
||||
in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in all
|
||||
copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
SOFTWARE.
|
||||
*/
|
||||
|
||||
using System;
|
||||
using System.Drawing;
|
||||
using System.Drawing.Drawing2D;
|
||||
using System.Drawing.Imaging;
|
||||
using System.IO;
|
||||
using System.Net.Http;
|
||||
using System.Threading.Tasks;
|
||||
|
||||
namespace Yi.Framework.ThumbnailSharp
|
||||
{
|
||||
/// <summary>
|
||||
/// Image format to use when creating a thumbnail.
|
||||
/// </summary>
|
||||
public enum Format
|
||||
{
|
||||
Jpeg,
|
||||
Bmp,
|
||||
Png,
|
||||
Gif,
|
||||
Tiff
|
||||
|
||||
}
|
||||
/// <summary>
|
||||
/// Thumbnail class that holds various methods to create an image thumbnail.
|
||||
/// </summary>
|
||||
public class ThumbnailSharpManager
|
||||
{
|
||||
private Bitmap CreateBitmapThumbnail(uint thumbnailSize, string imageFileLocation)
|
||||
{
|
||||
Bitmap bitmap = null;
|
||||
Image image = null;
|
||||
float actualHeight = default(float);
|
||||
float actualWidth = default(float);
|
||||
uint thumbnailHeight = default(uint);
|
||||
uint thumbnailWidth = default(uint);
|
||||
try
|
||||
{
|
||||
image = Image.FromFile(imageFileLocation);
|
||||
}
|
||||
catch
|
||||
{
|
||||
if (image != null)
|
||||
image = null;
|
||||
}
|
||||
if (image != null)
|
||||
{
|
||||
actualHeight = image.Height;
|
||||
actualWidth = image.Width;
|
||||
if (actualHeight > actualWidth)
|
||||
{
|
||||
if ((uint)actualHeight <= thumbnailSize)
|
||||
throw new Exception("Thumbnail size must be less than actual height (portrait image)");
|
||||
thumbnailHeight = thumbnailSize;
|
||||
thumbnailWidth = (uint)((actualWidth / actualHeight) * thumbnailSize);
|
||||
}
|
||||
else if (actualWidth > actualHeight)
|
||||
{
|
||||
|
||||
if ((uint)actualWidth <= thumbnailSize)
|
||||
throw new Exception("Thumbnail size must be less than actual width (landscape image)");
|
||||
thumbnailWidth = thumbnailSize;
|
||||
thumbnailHeight = (uint)((actualHeight / actualWidth) * thumbnailSize);
|
||||
}
|
||||
else
|
||||
{
|
||||
if ((uint)actualWidth <= thumbnailSize)
|
||||
throw new Exception("Thumbnail size must be less than image's size");
|
||||
thumbnailWidth = thumbnailSize;
|
||||
thumbnailHeight = thumbnailSize;
|
||||
}
|
||||
try
|
||||
{
|
||||
|
||||
bitmap = new Bitmap((int)thumbnailWidth, (int)thumbnailHeight);
|
||||
Graphics resizedImage = Graphics.FromImage(bitmap);
|
||||
resizedImage.InterpolationMode = InterpolationMode.HighQualityBicubic;
|
||||
resizedImage.CompositingQuality = CompositingQuality.HighQuality;
|
||||
resizedImage.SmoothingMode = SmoothingMode.HighQuality;
|
||||
resizedImage.DrawImage(image, 0, 0, thumbnailWidth, thumbnailHeight);
|
||||
}
|
||||
catch
|
||||
{
|
||||
if (bitmap != null)
|
||||
bitmap = null;
|
||||
}
|
||||
}
|
||||
return bitmap;
|
||||
}
|
||||
private Bitmap CreateBitmapThumbnail(uint thumbnailSize, Stream imageStream)
|
||||
{
|
||||
Bitmap bitmap = null;
|
||||
Image image = null;
|
||||
float actualHeight = default(float);
|
||||
float actualWidth = default(float);
|
||||
uint thumbnailHeight = default(uint);
|
||||
uint thumbnailWidth = default(uint);
|
||||
try
|
||||
{
|
||||
image = Image.FromStream(imageStream);
|
||||
}
|
||||
catch
|
||||
{
|
||||
if (image != null)
|
||||
image = null;
|
||||
}
|
||||
if (image != null)
|
||||
{
|
||||
actualHeight = image.Height;
|
||||
actualWidth = image.Width;
|
||||
if (actualHeight > actualWidth)
|
||||
{
|
||||
if ((uint)actualHeight <= thumbnailSize)
|
||||
throw new Exception("Thumbnail size must be less than actual height (portrait image)");
|
||||
thumbnailHeight = thumbnailSize;
|
||||
thumbnailWidth = (uint)((actualWidth / actualHeight) * thumbnailSize);
|
||||
}
|
||||
else if (actualWidth > actualHeight)
|
||||
{
|
||||
|
||||
if ((uint)actualWidth <= thumbnailSize)
|
||||
throw new Exception("Thumbnail size must be less than actual width (landscape image)");
|
||||
thumbnailWidth = thumbnailSize;
|
||||
thumbnailHeight = (uint)((actualHeight / actualWidth) * thumbnailSize);
|
||||
}
|
||||
else
|
||||
{
|
||||
if ((uint)actualWidth <= thumbnailSize)
|
||||
throw new Exception("Thumbnail size must be less than image's size");
|
||||
thumbnailWidth = thumbnailSize;
|
||||
thumbnailHeight = thumbnailSize;
|
||||
}
|
||||
try
|
||||
{
|
||||
bitmap = new Bitmap((int)thumbnailWidth, (int)thumbnailHeight);
|
||||
Graphics resizedImage = Graphics.FromImage(bitmap);
|
||||
resizedImage.InterpolationMode = InterpolationMode.HighQualityBicubic;
|
||||
resizedImage.CompositingQuality = CompositingQuality.HighQuality;
|
||||
resizedImage.SmoothingMode = SmoothingMode.HighQuality;
|
||||
resizedImage.DrawImage(image, 0, 0, thumbnailWidth, thumbnailHeight);
|
||||
}
|
||||
catch
|
||||
{
|
||||
if (bitmap != null)
|
||||
bitmap = null;
|
||||
}
|
||||
}
|
||||
return bitmap;
|
||||
}
|
||||
private ImageFormat GetImageFormat(Format format)
|
||||
{
|
||||
switch (format)
|
||||
{
|
||||
case Format.Jpeg:
|
||||
return ImageFormat.Jpeg;
|
||||
case Format.Bmp:
|
||||
return ImageFormat.Bmp;
|
||||
case Format.Png:
|
||||
return ImageFormat.Png;
|
||||
case Format.Gif:
|
||||
return ImageFormat.Gif;
|
||||
default:
|
||||
return ImageFormat.Tiff;
|
||||
}
|
||||
}
|
||||
private async Task<Stream> GetImageStreamFromUrl(Uri urlAddress)
|
||||
{
|
||||
Stream result = null;
|
||||
try
|
||||
{
|
||||
byte[] bytes = await GetImageBytesFromUrl(urlAddress);
|
||||
result = new MemoryStream(bytes);
|
||||
}
|
||||
catch
|
||||
{
|
||||
result = null;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
private async Task<byte[]> GetImageBytesFromUrl(Uri urlAddress)
|
||||
{
|
||||
byte[] buffer = null;
|
||||
try
|
||||
{
|
||||
using (HttpClient client = new HttpClient())
|
||||
{
|
||||
buffer = await client.GetByteArrayAsync(urlAddress);
|
||||
}
|
||||
}
|
||||
catch
|
||||
{
|
||||
buffer = null;
|
||||
}
|
||||
return buffer;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Create a thumbnail from file and returns as stream.
|
||||
/// </summary>
|
||||
/// <param name="thumbnailSize">Thumbnail size. For portrait image, thumbnail size must be less than its height.
|
||||
/// For landscape image, thumbnail size must be less than its width. For the same size image (Proportional), thumbnail size must be less than its width and height.</param>
|
||||
/// <param name="imageFileLocation">Correct image file location.</param>
|
||||
/// <param name="imageFormat">Image format to use.</param>
|
||||
/// <returns>A thumbnail image as stream. Returns null if it fails.</returns>
|
||||
/// <exception cref="ArgumentNullException">'imageFileLocation' is null.</exception>
|
||||
/// <exception cref="FileNotFoundException">'imageFileLocation' does not exist.</exception>
|
||||
public Stream CreateThumbnailStream(uint thumbnailSize, string imageFileLocation, Format imageFormat)
|
||||
{
|
||||
if (String.IsNullOrEmpty(imageFileLocation))
|
||||
throw new ArgumentNullException(nameof(imageFileLocation), "'imageFileLocation' cannot be null");
|
||||
if (!File.Exists(imageFileLocation))
|
||||
throw new FileNotFoundException($"'{imageFileLocation}' cannot be found");
|
||||
Bitmap bitmap = CreateBitmapThumbnail(thumbnailSize, imageFileLocation);
|
||||
if (bitmap != null)
|
||||
{
|
||||
MemoryStream stream = new MemoryStream();
|
||||
bitmap.Save(stream, GetImageFormat(imageFormat));
|
||||
stream.Position = 0;
|
||||
return stream;
|
||||
}
|
||||
return null;
|
||||
}
|
||||
/// <summary>
|
||||
/// Create a thumbnail from image stream and returns as stream.
|
||||
/// </summary>
|
||||
/// <param name="thumbnailSize">Thumbnail size. For portrait image, thumbnail size must be less than its height.
|
||||
/// For landscape image, thumbnail size must be less than its width. For the same size image (Proportional), thumbnail size must be less than its width and height.</param>
|
||||
/// <param name="imageStream">Valid image stream object.</param>
|
||||
/// <param name="imageFormat">Image format to use.</param>
|
||||
/// <returns>A thumbnail image as stream. Returns null if it fails.</returns>
|
||||
/// <exception cref="ArgumentNullException">'imageStream' is null.</exception>
|
||||
public Stream CreateThumbnailStream(uint thumbnailSize, Stream imageStream, Format imageFormat)
|
||||
{
|
||||
if (imageStream == null)
|
||||
throw new ArgumentNullException(nameof(imageStream), "'imageStream' cannot be null");
|
||||
Bitmap bitmap = CreateBitmapThumbnail(thumbnailSize, imageStream);
|
||||
if (bitmap != null)
|
||||
{
|
||||
MemoryStream stream = new MemoryStream();
|
||||
bitmap.Save(stream, GetImageFormat(imageFormat));
|
||||
stream.Position = 0;
|
||||
return stream;
|
||||
}
|
||||
return null;
|
||||
}
|
||||
/// <summary>
|
||||
/// Create a thumbnail from image in bytes and returns as stream.
|
||||
/// </summary>
|
||||
/// <param name="thumbnailSize">Thumbnail size. For portrait image, thumbnail size must be less than its height.
|
||||
/// For landscape image, thumbnail size must be less than its width. For the same size image (Proportional), thumbnail size must be less than its width and height.</param>
|
||||
/// <param name="imageBytes">Valid image bytes array.</param>
|
||||
/// <param name="imageFormat">Image format to use.</param>
|
||||
/// <returns>A thumbnail image as stream. Returns null if it fails.</returns>
|
||||
/// <exception cref="ArgumentNullException">'imageBytes' is null.</exception>
|
||||
public Stream CreateThumbnailStream(uint thumbnailSize, byte[] imageBytes, Format imageFormat)
|
||||
{
|
||||
if (imageBytes == null)
|
||||
throw new ArgumentNullException(nameof(imageBytes), "'imageStream' cannot be null");
|
||||
Bitmap bitmap = CreateBitmapThumbnail(thumbnailSize, new MemoryStream(imageBytes));
|
||||
if (bitmap != null)
|
||||
{
|
||||
MemoryStream stream = new MemoryStream();
|
||||
bitmap.Save(stream, GetImageFormat(imageFormat));
|
||||
stream.Position = 0;
|
||||
return stream;
|
||||
}
|
||||
return null;
|
||||
}
|
||||
/// <summary>
|
||||
/// Create a thumbnail from file and returns as bytes.
|
||||
/// </summary>
|
||||
/// <param name="thumbnailSize">Thumbnail size. For portrait image, thumbnail size must be less than its height.
|
||||
/// For landscape image, thumbnail size must be less than its width. For the same size image (Proportional), thumbnail size must be less than its width and height.</param>
|
||||
/// <param name="imageFileLocation">Correct image file location.</param>
|
||||
/// <param name="imageFormat">Image format to use.</param>
|
||||
/// <returns>A thumbnail image as bytes. Returns null if it fails.</returns>
|
||||
/// <exception cref="ArgumentNullException">'imageFileLocation' is null.</exception>
|
||||
/// <exception cref="FileNotFoundException">'imageFileLocation' does not exist.</exception>
|
||||
public byte[] CreateThumbnailBytes(uint thumbnailSize, string imageFileLocation, Format imageFormat)
|
||||
{
|
||||
if (String.IsNullOrEmpty(imageFileLocation))
|
||||
throw new ArgumentNullException(nameof(imageFileLocation), "'imageFileLocation' cannot be null");
|
||||
if (!File.Exists(imageFileLocation))
|
||||
throw new FileNotFoundException($"'{imageFileLocation}' cannot be found");
|
||||
Stream stream = CreateThumbnailStream(thumbnailSize, imageFileLocation, imageFormat);
|
||||
if (stream != null)
|
||||
{
|
||||
byte[] streamBytes = new byte[stream.Length];
|
||||
stream.Read(streamBytes, 0, streamBytes.Length);
|
||||
return streamBytes;
|
||||
}
|
||||
return null;
|
||||
}
|
||||
/// <summary>
|
||||
/// Create a thumbnail from image stream and returns as bytes.
|
||||
/// </summary>
|
||||
/// <param name="thumbnailSize">Thumbnail size. For portrait image, thumbnail size must be less than its height.
|
||||
/// For landscape image, thumbnail size must be less than its width. For the same size image (Proportional), thumbnail size must be less than its width and height.</param>
|
||||
/// <param name="imageStream">Valid image stream object.</param>
|
||||
/// <param name="imageFormat">Image format to use.</param>
|
||||
/// <returns>A thumbnail image as bytes. Returns null if it fails.</returns>
|
||||
/// <exception cref="ArgumentNullException">'imageStream' is null.</exception>
|
||||
public byte[] CreateThumbnailBytes(uint thumbnailSize, Stream imageStream, Format imageFormat)
|
||||
{
|
||||
if (imageStream == null)
|
||||
throw new ArgumentNullException(nameof(imageStream), "'imageStream' cannot be null");
|
||||
|
||||
Stream stream = CreateThumbnailStream(thumbnailSize, imageStream, imageFormat);
|
||||
if (stream != null)
|
||||
{
|
||||
byte[] streamBytes = new byte[stream.Length];
|
||||
stream.Read(streamBytes, 0, streamBytes.Length);
|
||||
return streamBytes;
|
||||
}
|
||||
return null;
|
||||
}
|
||||
/// <summary>
|
||||
/// Create a thumbnail from image in bytes and returns as bytes.
|
||||
/// </summary>
|
||||
/// <param name="thumbnailSize">Thumbnail size. For portrait image, thumbnail size must be less than its height.
|
||||
/// For landscape image, thumbnail size must be less than its width. For the same size image (Proportional), thumbnail size must be less than its width and height.</param>
|
||||
/// <param name="imageBytes">Valid image bytes array.</param>
|
||||
/// <param name="imageFormat">Image format to use.</param>
|
||||
/// <returns>A thumbnail image as bytes. Returns null if it fails.</returns>
|
||||
/// <exception cref="ArgumentNullException">'imageBytes' is null.</exception>
|
||||
public byte[] CreateThumbnailBytes(uint thumbnailSize, byte[] imageBytes, Format imageFormat)
|
||||
{
|
||||
if (imageBytes == null)
|
||||
throw new ArgumentNullException(nameof(imageBytes), "'imageStream' cannot be null");
|
||||
Stream stream = CreateThumbnailStream(thumbnailSize, imageBytes, imageFormat);
|
||||
if (stream != null)
|
||||
{
|
||||
byte[] streamBytes = new byte[stream.Length];
|
||||
stream.Read(streamBytes, 0, streamBytes.Length);
|
||||
return streamBytes;
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// Create a thumbnail from valid image url asynchronously.
|
||||
/// </summary>
|
||||
/// <param name="thumbnailSize">Thumbnail size. For portrait image, thumbnail size must be less than its height.
|
||||
/// For landscape image, thumbnail size must be less than its width. For the same size image (Proportional), thumbnail size must be less than its width and height.</param>
|
||||
/// <param name="urlAddress">Valid absolute url address with proper scheme.</param>
|
||||
/// <param name="imageFormat">Image format to use.</param>
|
||||
/// <returns>A thumbnail image as stream. Returns null if it fails.</returns>
|
||||
/// <exception cref="ArgumentNullException">'urlAddress' is null.</exception>
|
||||
public async Task<Stream> CreateThumbnailStreamAsync(uint thumbnailSize, Uri urlAddress, Format imageFormat)
|
||||
{
|
||||
if (urlAddress == null)
|
||||
throw new ArgumentNullException(nameof(urlAddress), "'urlAddress' cannot be null");
|
||||
Stream result = null;
|
||||
Stream stream = await GetImageStreamFromUrl(urlAddress);
|
||||
if (stream != null)
|
||||
{
|
||||
result = CreateThumbnailStream(thumbnailSize, stream, imageFormat);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Create a thumbnail from valid image url asynchronously.
|
||||
/// </summary>
|
||||
/// <param name="thumbnailSize">Thumbnail size. For portrait image, thumbnail size must be less than its height.
|
||||
/// For landscape image, thumbnail size must be less than its width. For the same size image (Proportional), thumbnail size must be less than its width and height.</param>
|
||||
/// <param name="urlAddress">Valid absolute url address with proper scheme.</param>
|
||||
/// <param name="imageFormat">Image format to use.</param>
|
||||
/// <returns>A thumbnail image as bytes. Returns null if it fails.</returns>
|
||||
/// <exception cref="ArgumentNullException">'urlAddress' is null.</exception>
|
||||
public async Task<byte[]> CreateThumbnailBytesAsync(uint thumbnailSize, Uri urlAddress, Format imageFormat)
|
||||
{
|
||||
if (urlAddress == null)
|
||||
throw new ArgumentNullException(nameof(urlAddress), "'urlAddress' cannot be null");
|
||||
byte[] result = null;
|
||||
byte[] imageBytes = await GetImageBytesFromUrl(urlAddress);
|
||||
if (imageBytes != null)
|
||||
{
|
||||
result = CreateThumbnailBytes(thumbnailSize, imageBytes, imageFormat);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,17 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<TargetFramework>net6.0</TargetFramework>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<Nullable>enable</Nullable>
|
||||
</PropertyGroup>
|
||||
|
||||
<ItemGroup>
|
||||
<PackageReference Include="System.Drawing.Common" Version="6.0.0" />
|
||||
</ItemGroup>
|
||||
|
||||
<ItemGroup>
|
||||
<ProjectReference Include="..\..\framework\Yi.Framework.Core\Yi.Framework.Core.csproj" />
|
||||
</ItemGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,23 @@
|
||||
using Microsoft.AspNetCore.Builder;
|
||||
using Microsoft.Extensions.DependencyInjection;
|
||||
using StartupModules;
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Linq;
|
||||
using System.Text;
|
||||
using System.Threading.Tasks;
|
||||
|
||||
namespace Yi.Framework.ThumbnailSharp
|
||||
{
|
||||
public class YiFrameworkThumbnailSharpModule : IStartupModule
|
||||
{
|
||||
public void Configure(IApplicationBuilder app, ConfigureMiddlewareContext context)
|
||||
{
|
||||
}
|
||||
|
||||
public void ConfigureServices(IServiceCollection services, ConfigureServicesContext context)
|
||||
{
|
||||
services.AddSingleton<ThumbnailSharpManager>();
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user