Gamma Init

2026-02-23 13:00:52 +01:00 · 2024-02-16 15:55:37 +01:00
parent 42a598f177
commit cf84fa0616
103 changed files with 7907 additions and 41 deletions
--- a/app/WindowsDisplayAPI/Native/DeviceContextApi.cs
+++ b/app/WindowsDisplayAPI/Native/DeviceContextApi.cs
@@ -0,0 +1,106 @@
+using System;
+using System.Runtime.InteropServices;
+using WindowsDisplayAPI.Native.DeviceContext;
+using WindowsDisplayAPI.Native.DeviceContext.Structures;
+using WindowsDisplayAPI.Native.Structures;
+
+namespace WindowsDisplayAPI.Native
+{
+    internal class DeviceContextApi
+    {
+        [DllImport("user32", CharSet = CharSet.Ansi)]
+        public static extern ChangeDisplaySettingsExResults ChangeDisplaySettingsEx(
+            string deviceName,
+            ref DeviceMode devMode,
+            IntPtr handler,
+            ChangeDisplaySettingsFlags flags,
+            IntPtr param
+        );
+
+        [DllImport("user32", CharSet = CharSet.Ansi)]
+        public static extern ChangeDisplaySettingsExResults ChangeDisplaySettingsEx(
+            string deviceName,
+            IntPtr devModePointer,
+            IntPtr handler,
+            ChangeDisplaySettingsFlags flags,
+            IntPtr param
+        );
+
+        [DllImport("user32", CharSet = CharSet.Ansi)]
+        public static extern bool EnumDisplaySettings(
+            string deviceName,
+            DisplaySettingsMode mode,
+            ref DeviceMode devMode
+        );
+
+        [DllImport("gdi32", CharSet = CharSet.Unicode)]
+        internal static extern IntPtr CreateDC(string driver, string device, string port, IntPtr deviceMode);
+
+        [DllImport("gdi32")]
+        internal static extern bool DeleteDC(IntPtr dcHandle);
+
+
+        [DllImport("user32", CharSet = CharSet.Unicode)]
+        internal static extern bool EnumDisplayDevices(
+            string deviceName,
+            uint deviceNumber,
+            ref DeviceContext.Structures.DisplayDevice displayDevice,
+            uint flags
+        );
+
+        [DllImport("user32")]
+        internal static extern bool EnumDisplayMonitors(
+            [In] IntPtr dcHandle,
+            [In] IntPtr clip,
+            MonitorEnumProcedure callback,
+            IntPtr callbackObject
+        );
+
+        [DllImport("user32")]
+        internal static extern IntPtr GetDC(IntPtr windowHandle);
+
+        [DllImport("gdi32")]
+        internal static extern int GetDeviceCaps(DCHandle dcHandle, DeviceCapability index);
+
+        [DllImport("gdi32")]
+        internal static extern bool GetDeviceGammaRamp(DCHandle dcHandle, ref GammaRamp ramp);
+
+        [DllImport("user32")]
+        internal static extern bool GetMonitorInfo(
+            IntPtr monitorHandle,
+            ref MonitorInfo monitorInfo
+        );
+
+        [DllImport("user32")]
+        internal static extern IntPtr MonitorFromPoint(
+            [In] PointL point,
+            MonitorFromFlag flag
+        );
+
+        [DllImport("user32")]
+        internal static extern IntPtr MonitorFromRect(
+            [In] RectangleL rectangle,
+            MonitorFromFlag flag
+        );
+
+        [DllImport("user32")]
+        internal static extern IntPtr MonitorFromWindow(
+            [In] IntPtr windowHandle,
+            MonitorFromFlag flag
+        );
+
+        [DllImport("user32")]
+        internal static extern bool ReleaseDC([In] IntPtr windowHandle, [In] IntPtr dcHandle);
+
+        [DllImport("gdi32")]
+        internal static extern bool SetDeviceGammaRamp(DCHandle dcHandle, ref GammaRamp ramp);
+
+        [UnmanagedFunctionPointer(CallingConvention.StdCall)]
+        internal delegate int MonitorEnumProcedure(
+            IntPtr monitorHandle,
+            IntPtr dcHandle,
+            ref RectangleL rect,
+            IntPtr callbackObject
+        );
+    }
+}