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Gamma ramp tweaks

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Serge
2024-02-17 12:42:32 +01:00
parent 4863946ca3
commit 744b304d4b
4 changed files with 85 additions and 14 deletions
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44
app/Display/ScreenControl.cs
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@@ -7,7 +7,7 @@ namespace GHelper.Display
public const int MAX_REFRESH = 1000;
public static DisplayGammaRamp? gamma;
public static DisplayGammaRamp? gammaRamp;
public void AutoScreen(bool force = false)
{
@@ -24,6 +24,29 @@ namespace GHelper.Display
}
}
public void SaveGamma()
{
var screenName = ScreenNative.FindLaptopScreen();
if (screenName is null) return;
try
{
var handle = ScreenNative.CreateDC(screenName, screenName, null, IntPtr.Zero);
var gammaRamp = new GammaRamp();
if (ScreenNative.GetDeviceGammaRamp(handle, ref gammaRamp))
{
var gamma = new DisplayGammaRamp(gammaRamp);
Logger.WriteLine("Gamma R: " + string.Join("-", gamma.Red));
Logger.WriteLine("Gamma G: " + string.Join("-", gamma.Green));
Logger.WriteLine("Gamma B: " + string.Join("-", gamma.Blue));
}
}
catch (Exception ex)
{
Logger.WriteLine(ex.ToString());
}
}
public void SetGamma(int brightness = 100, int contrast = 100)
{
var bright = (float)(brightness) / 100;
@@ -35,8 +58,23 @@ namespace GHelper.Display
try
{
var handle = ScreenNative.CreateDC(screenName, screenName, null, IntPtr.Zero);
var gammaRamp = new DisplayGammaRamp(bright, bright, 1).AsRamp();
ScreenNative.SetDeviceGammaRamp(handle, ref gammaRamp);
if (gammaRamp is null)
{
var gammaDump = new GammaRamp();
if (ScreenNative.GetDeviceGammaRamp(handle, ref gammaDump))
{
gammaRamp = new DisplayGammaRamp(gammaDump);
Logger.WriteLine("Gamma R: " + string.Join("-", gammaRamp.Red));
Logger.WriteLine("Gamma G: " + string.Join("-", gammaRamp.Green));
Logger.WriteLine("Gamma B: " + string.Join("-", gammaRamp.Blue));
}
}
if (gammaRamp is null) gammaRamp = new DisplayGammaRamp();
var ramp = gammaRamp.AsBrightnessRamp(bright);
ScreenNative.SetDeviceGammaRamp(handle, ref ramp);
} catch (Exception ex)
{
Logger.WriteLine(ex.ToString());