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Code Issues Releases Wiki Activity

Adjust Scan screen qrcode

pull/5094/head
2dust 2024-05-12 17:07:56 +08:00
parent c23379b3b6
commit 31267cbc33
3 changed files with 74 additions and 66 deletions
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72
v2rayN/v2rayN/Common/QRCodeHelper.cs
View File

@ -1,6 +1,13 @@
using QRCoder;
using QRCoder.Xaml;
using System.Drawing;
using System.Windows.Interop;
using System.Windows;
using System.Windows.Media;
using ZXing.Common;
using ZXing.QrCode;
using ZXing.Windows.Compatibility;
using ZXing;
namespace v2rayN
{
@ -28,5 +35,70 @@ namespace v2rayN
return null;
}
}
public static string ScanScreen(float dpiX, float dpiY)
{
try
{
var left = (int)(SystemParameters.WorkArea.Left);
var top = (int)(SystemParameters.WorkArea.Top);
var width = (int)(SystemParameters.WorkArea.Width / dpiX);
var height = (int)(SystemParameters.WorkArea.Height / dpiY);
using Bitmap fullImage = new Bitmap(width, height);
using (Graphics g = Graphics.FromImage(fullImage))
{
g.CopyFromScreen(left, top, 0, 0, fullImage.Size, CopyPixelOperation.SourceCopy);
}
int maxTry = 10;
for (int i = 0; i < maxTry; i++)
{
int marginLeft = (int)((double)fullImage.Width * i / 2.5 / maxTry);
int marginTop = (int)((double)fullImage.Height * i / 2.5 / maxTry);
Rectangle cropRect = new(marginLeft, marginTop, fullImage.Width - marginLeft * 2, fullImage.Height - marginTop * 2);
Bitmap target = new(width, height);
double imageScale = (double)width / (double)cropRect.Width;
using (Graphics g = Graphics.FromImage(target))
{
g.DrawImage(fullImage, new Rectangle(0, 0, target.Width, target.Height),
cropRect,
GraphicsUnit.Pixel);
}
BitmapLuminanceSource source = new(target);
QRCodeReader reader = new();
BinaryBitmap bitmap = new(new HybridBinarizer(source));
var result = reader.decode(bitmap);
if (result != null)
{
return result.Text;
}
else
{
BinaryBitmap bitmap2 = new(new HybridBinarizer(source.invert()));
var result2 = reader.decode(bitmap2);
if (result2 != null)
{
return result2.Text;
}
}
}
}
catch (Exception ex)
{
Logging.SaveLog(ex.Message, ex);
}
return string.Empty;
}
public static Tuple<float, float> GetDpiXY(Window window)
{
IntPtr hWnd = new WindowInteropHelper(window).EnsureHandle();
Graphics g = Graphics.FromHwnd(hWnd);
return new(96 / g.DpiX, 96 / g.DpiY);
}
}
}

64
v2rayN/v2rayN/Common/Utils.cs
View File

@ -18,10 +18,6 @@ using System.Windows;
using System.Windows.Interop;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using ZXing;
using ZXing.Common;
using ZXing.QrCode;
using ZXing.Windows.Compatibility;
namespace v2rayN
{
@ -950,66 +946,6 @@ namespace v2rayN
#endregion TempPath
#region scan screen
public static string ScanScreen(float dpiX, float dpiY)
{
try
{
var left = (int)(SystemParameters.WorkArea.Left);
var top = (int)(SystemParameters.WorkArea.Top);
var width = (int)(SystemParameters.WorkArea.Width / dpiX);
var height = (int)(SystemParameters.WorkArea.Height / dpiY);
using Bitmap fullImage = new Bitmap(width, height);
using (Graphics g = Graphics.FromImage(fullImage))
{
g.CopyFromScreen(left, top, 0, 0, fullImage.Size, CopyPixelOperation.SourceCopy);
}
int maxTry = 10;
for (int i = 0; i < maxTry; i++)
{
int marginLeft = (int)((double)fullImage.Width * i / 2.5 / maxTry);
int marginTop = (int)((double)fullImage.Height * i / 2.5 / maxTry);
Rectangle cropRect = new(marginLeft, marginTop, fullImage.Width - marginLeft * 2, fullImage.Height - marginTop * 2);
Bitmap target = new(width, height);
double imageScale = (double)width / (double)cropRect.Width;
using (Graphics g = Graphics.FromImage(target))
{
g.DrawImage(fullImage, new Rectangle(0, 0, target.Width, target.Height),
cropRect,
GraphicsUnit.Pixel);
}
BitmapLuminanceSource source = new(target);
BinaryBitmap bitmap = new(new HybridBinarizer(source));
QRCodeReader reader = new();
Result result = reader.decode(bitmap);
if (result != null)
{
string ret = result.Text;
return ret;
}
}
}
catch (Exception ex)
{
Logging.SaveLog(ex.Message, ex);
}
return string.Empty;
}
public static Tuple<float, float> GetDpiXY(Window window)
{
IntPtr hWnd = new WindowInteropHelper(window).EnsureHandle();
Graphics g = Graphics.FromHwnd(hWnd);
return new(96 / g.DpiX, 96 / g.DpiY);
}
#endregion scan screen
#region 开机自动启动等
/// <summary>

4
v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
View File

@ -1026,10 +1026,10 @@ namespace v2rayN.ViewModels
{
ShowHideWindow(false);
var dpiXY = Utils.GetDpiXY(Application.Current.MainWindow);
var dpiXY = QRCodeHelper.GetDpiXY(Application.Current.MainWindow);
string result = await Task.Run(() =>
{
return Utils.ScanScreen(dpiXY.Item1, dpiXY.Item2);
return QRCodeHelper.ScanScreen(dpiXY.Item1, dpiXY.Item2);
});
ShowHideWindow(true);