DarthAffe/Artemis
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Code Issues Releases Wiki Activity

Fixed an issue in the DX9ScreenCapture caused by windows-dpi-scaling

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This commit is contained in:
Darth Affe 2017-04-08 15:27:54 +02:00
parent 270e5963a9
commit 4be8735ca6
1 changed files with 23 additions and 1 deletions
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24
Artemis/Artemis/Profiles/Layers/Types/AmbientLight/ScreenCapturing/DX9ScreenCapture.cs
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@ -2,6 +2,7 @@
using System.Runtime.InteropServices; using System.Runtime.InteropServices;
using System.Windows.Forms; using System.Windows.Forms;
using System.Windows.Media; using System.Windows.Media;
using Microsoft.Win32;
using SharpDX.Direct3D9; using SharpDX.Direct3D9;
namespace Artemis.Profiles.Layers.Types.AmbientLight.ScreenCapturing namespace Artemis.Profiles.Layers.Types.AmbientLight.ScreenCapturing
@ -15,6 +16,14 @@ namespace Artemis.Profiles.Layers.Types.AmbientLight.ScreenCapturing
Width = Screen.PrimaryScreen.Bounds.Width; Width = Screen.PrimaryScreen.Bounds.Width;
Height = Screen.PrimaryScreen.Bounds.Height; Height = Screen.PrimaryScreen.Bounds.Height;
//DarthAffe 08.04.2017: Fix for systems using windows-scaling. The primary screen size is reported 'wrong'.
double scaling = GetScaling();
if (Math.Abs(scaling - 1.0) > 0.01)
{
Width = (int)(Width / scaling);
Height = (int)(Height / scaling);
}
var presentParams = new PresentParameters(Width, Height) var presentParams = new PresentParameters(Width, Height)
{ {
Windowed = true, Windowed = true,
@ -24,7 +33,7 @@ namespace Artemis.Profiles.Layers.Types.AmbientLight.ScreenCapturing
_device = new Device(new Direct3D(), 0, DeviceType.Hardware, IntPtr.Zero, _device = new Device(new Direct3D(), 0, DeviceType.Hardware, IntPtr.Zero,
CreateFlags.SoftwareVertexProcessing, presentParams); CreateFlags.SoftwareVertexProcessing, presentParams);
_surface = Surface.CreateOffscreenPlain(_device, Width, Height, Format.A8R8G8B8, Pool.Scratch); _surface = Surface.CreateOffscreenPlain(_device, Width, Height, Format.A8R8G8B8, Pool.Scratch);
_buffer = new byte[Width*Height*4]; _buffer = new byte[Width * Height * 4];
} }
#endregion #endregion
@ -43,6 +52,19 @@ namespace Artemis.Profiles.Layers.Types.AmbientLight.ScreenCapturing
#region Methods #region Methods
private double GetScaling()
{
try
{
int currentDpi = (int)Registry.GetValue("HKEY_CURRENT_USER\\Control Panel\\Desktop", "LogPixels", 96);
return 96.0 / currentDpi;
}
catch
{
return 1.0;
}
}
public byte[] CaptureScreen() public byte[] CaptureScreen()
{ {
_device.GetFrontBufferData(0, _surface); _device.GetFrontBufferData(0, _surface);