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MaiDXR/Assets/uWindowCapture/Runtime/UwcLib.cs

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C#
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2022-01-05 19:44:30 +01:00
using UnityEngine;
using System;
using System.Runtime.InteropServices;
#pragma warning disable 114, 465
namespace uWindowCapture
{
public enum DebugMode
{
None = 0,
File = 1,
UnityLog = 2, /* currently has bug when app exits. */
}
public enum CaptureMode
{
None = -1,
PrintWindow = 0,
BitBlt = 1,
WindowsGraphicsCapture = 2,
Auto = 3,
}
public enum CapturePriority
{
Auto = -1,
High = 0,
Middle = 1,
Low = 2,
}
public enum MessageType
{
None = -1,
WindowAdded = 0,
WindowRemoved = 1,
WindowCaptured = 2,
WindowSizeChanged = 3,
IconCaptured = 4,
CursorCaptured = 5,
Error = 1000,
TextureNullError = 1001,
TextureSizeError = 1002,
}
[StructLayout(LayoutKind.Sequential)]
public struct Message
{
[MarshalAs(UnmanagedType.I4)]
public MessageType type;
[MarshalAs(UnmanagedType.I4)]
public int windowId;
[MarshalAs(UnmanagedType.I8)]
public IntPtr userData;
}
[StructLayout(LayoutKind.Sequential)]
public struct Point
{
[MarshalAs(UnmanagedType.I4)]
public int x;
[MarshalAs(UnmanagedType.I4)]
public int y;
}
public static class Lib
{
public const string name = "uWindowCapture";
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate void DebugLogDelegate(string str);
[DllImport(name, EntryPoint = "UwcInitialize")]
public static extern void Initialize();
[DllImport(name, EntryPoint = "UwcFinalize")]
public static extern void Finalize();
[DllImport(name, EntryPoint = "UwcSetDebugMode")]
public static extern void SetDebugMode(DebugMode mode);
[DllImport(name, EntryPoint = "UwcSetLogFunc")]
public static extern void SetLogFunc(DebugLogDelegate func);
[DllImport(name, EntryPoint = "UwcSetErrorFunc")]
public static extern void SetErrorFunc(DebugLogDelegate func);
[DllImport(name, EntryPoint = "UwcGetRenderEventFunc")]
public static extern IntPtr GetRenderEventFunc();
[DllImport(name, EntryPoint = "UwcUpdate")]
public static extern void Update(float dt);
[DllImport(name, EntryPoint = "UwcGetMessageCount")]
private static extern int GetMessageCount();
[DllImport(name, EntryPoint = "UwcGetMessages")]
private static extern IntPtr GetMessages_Internal();
[DllImport(name, EntryPoint = "UwcClearMessages")]
private static extern void ClearMessages();
[DllImport(name, EntryPoint = "UwcExcludeRemovedWindowEvents")]
private static extern void ExcludeRemovedWindowEvents();
[DllImport(name, EntryPoint = "UwcCheckWindowExistence")]
public static extern bool CheckWindowExistence(int id);
[DllImport(name, EntryPoint = "UwcGetWindowHandle")]
public static extern IntPtr GetWindowHandle(int id);
[DllImport(name, EntryPoint = "UwcGetWindowParentId")]
public static extern int GetWindowParentId(int id);
[DllImport(name, EntryPoint = "UwcGetWindowOwnerHandle")]
public static extern IntPtr GetWindowOwnerHandle(int id);
[DllImport(name, EntryPoint = "UwcGetWindowParentHandle")]
public static extern IntPtr GetWindowParentHandle(int id);
[DllImport(name, EntryPoint = "UwcGetWindowInstance")]
public static extern IntPtr GetWindowInstance(int id);
[DllImport(name, EntryPoint = "UwcGetWindowProcessId")]
public static extern int GetWindowProcessId(int id);
[DllImport(name, EntryPoint = "UwcGetWindowThreadId")]
public static extern int GetWindowThreadId(int id);
[DllImport(name, EntryPoint = "UwcRequestUpdateWindowTitle")]
public static extern void RequestUpdateWindowTitle(int id);
[DllImport(name, EntryPoint = "UwcRequestCaptureWindow")]
public static extern void RequestCaptureWindow(int id, CapturePriority priority);
[DllImport(name, EntryPoint = "UwcRequestCaptureIcon")]
public static extern void RequestCaptureIcon(int id);
[DllImport(name, EntryPoint = "StartCaptureWindow")]
public static extern void StartCaptureWindow(int id, CapturePriority priority);
[DllImport(name, EntryPoint = "StopCaptureWindow")]
public static extern void StopCaptureWindow(int id);
[DllImport(name, EntryPoint = "UwcGetWindowX")]
public static extern int GetWindowX(int id);
[DllImport(name, EntryPoint = "UwcGetWindowY")]
public static extern int GetWindowY(int id);
[DllImport(name, EntryPoint = "UwcGetWindowWidth")]
public static extern int GetWindowWidth(int id);
[DllImport(name, EntryPoint = "UwcGetWindowHeight")]
public static extern int GetWindowHeight(int id);
[DllImport(name, EntryPoint = "UwcGetWindowZOrder")]
public static extern int GetWindowZOrder(int id);
[DllImport(name, EntryPoint = "UwcGetWindowBuffer")]
public static extern IntPtr GetWindowBuffer(int id);
[DllImport(name, EntryPoint = "UwcGetWindowTextureWidth")]
public static extern int GetWindowTextureWidth(int id);
[DllImport(name, EntryPoint = "UwcGetWindowTextureHeight")]
public static extern int GetWindowTextureHeight(int id);
[DllImport(name, EntryPoint = "UwcGetWindowTextureOffsetX")]
public static extern int GetWindowTextureOffsetX(int id);
[DllImport(name, EntryPoint = "UwcGetWindowTextureOffsetY")]
public static extern int GetWindowTextureOffsetY(int id);
[DllImport(name, EntryPoint = "UwcGetWindowIconWidth")]
public static extern int GetWindowIconWidth(int id);
[DllImport(name, EntryPoint = "UwcGetWindowIconHeight")]
public static extern int GetWindowIconHeight(int id);
[DllImport(name, EntryPoint = "UwcGetWindowTitleLength")]
private static extern int GetWindowTitleLength(int id);
[DllImport(name, EntryPoint = "UwcGetWindowTitle", CharSet = CharSet.Unicode)]
private static extern IntPtr GetWindowTitle_Internal(int id);
[DllImport(name, EntryPoint = "UwcGetWindowClassNameLength")]
private static extern int GetWindowClassNameLength(int id);
[DllImport(name, EntryPoint = "UwcGetWindowClassName", CharSet = CharSet.Ansi)]
private static extern IntPtr GetWindowClassName_Internal(int id);
[DllImport(name, EntryPoint = "UwcGetWindowTexturePtr")]
public static extern IntPtr GetWindowTexturePtr(int id);
[DllImport(name, EntryPoint = "UwcSetWindowTexturePtr")]
public static extern void SetWindowTexturePtr(int id, IntPtr texturePtr);
[DllImport(name, EntryPoint = "UwcGetWindowIconTexturePtr")]
public static extern IntPtr GetWindowIconTexturePtr(int id);
[DllImport(name, EntryPoint = "UwcSetWindowIconTexturePtr")]
public static extern void SetWindowIconTexturePtr(int id, IntPtr texturePtr);
[DllImport(name, EntryPoint = "UwcGetWindowCaptureMode")]
public static extern CaptureMode GetWindowCaptureMode(int id);
[DllImport(name, EntryPoint = "UwcSetWindowCaptureMode")]
public static extern void SetWindowCaptureMode(int id, CaptureMode mode);
[DllImport(name, EntryPoint = "UwcGetWindowCursorDraw")]
public static extern bool GetWindowCursorDraw(int id);
[DllImport(name, EntryPoint = "UwcSetWindowCursorDraw")]
public static extern void SetWindowCursorDraw(int id, bool draw);
[DllImport(name, EntryPoint = "UwcIsWindow")]
public static extern bool IsWindow(int id);
[DllImport(name, EntryPoint = "UwcIsWindowVisible")]
public static extern bool IsWindowVisible(int id);
[DllImport(name, EntryPoint = "UwcIsAltTabWindow")]
public static extern bool IsAltTabWindow(int id);
[DllImport(name, EntryPoint = "UwcIsDesktop")]
public static extern bool IsDesktop(int id);
[DllImport(name, EntryPoint = "UwcIsWindowEnabled")]
public static extern bool IsWindowEnabled(int id);
[DllImport(name, EntryPoint = "UwcIsWindowUnicode")]
public static extern bool IsWindowUnicode(int id);
[DllImport(name, EntryPoint = "UwcIsWindowZoomed")]
public static extern bool IsWindowZoomed(int id);
[DllImport(name, EntryPoint = "UwcIsWindowIconic")]
public static extern bool IsWindowIconic(int id);
[DllImport(name, EntryPoint = "UwcIsWindowHungUp")]
public static extern bool IsWindowHungUp(int id);
[DllImport(name, EntryPoint = "UwcIsWindowTouchable")]
public static extern bool IsWindowTouchable(int id);
[DllImport(name, EntryPoint = "UwcIsWindowApplicationFrameWindow")]
public static extern bool IsApplicationFrameWindow(int id);
[DllImport(name, EntryPoint = "UwcIsWindowUWP")]
public static extern bool IsWindowUWP(int id);
[DllImport(name, EntryPoint = "UwcIsWindowBackground")]
public static extern bool IsWindowBackground(int id);
[DllImport(name, EntryPoint = "UwcGetWindowPixel")]
public static extern Color32 GetWindowPixel(int id, int x, int y);
[DllImport(name, EntryPoint = "UwcGetWindowPixels")]
private static extern bool GetWindowPixels_Internal(int id, IntPtr output, int x, int y, int width, int height);
[DllImport(name, EntryPoint = "UwcRequestCaptureCursor")]
public static extern void RequestCaptureCursor();
[DllImport(name, EntryPoint = "UwcGetCursorPosition")]
public static extern Point GetCursorPosition();
[DllImport(name, EntryPoint = "UwcGetWindowIdFromPoint")]
public static extern int GetWindowIdFromPoint(int x, int y);
[DllImport(name, EntryPoint = "UwcGetWindowIdUnderCursor")]
public static extern int GetWindowIdUnderCursor();
[DllImport(name, EntryPoint = "UwcGetCursorX")]
public static extern int GetCursorX();
[DllImport(name, EntryPoint = "UwcGetCursorY")]
public static extern int GetCursorY();
[DllImport(name, EntryPoint = "UwcGetCursorWidth")]
public static extern int GetCursorWidth();
[DllImport(name, EntryPoint = "UwcGetCursorHeight")]
public static extern int GetCursorHeight();
[DllImport(name, EntryPoint = "UwcSetCursorTexturePtr")]
public static extern void SetCursorTexturePtr(IntPtr ptr);
[DllImport(name, EntryPoint = "UwcGetScreenX")]
public static extern int GetScreenX();
[DllImport(name, EntryPoint = "UwcGetScreenY")]
public static extern int GetScreenY();
[DllImport(name, EntryPoint = "UwcGetScreenWidth")]
public static extern int GetScreenWidth();
[DllImport(name, EntryPoint = "UwcGetScreenHeight")]
public static extern int GetScreenHeight();
[DllImport(name, EntryPoint = "UwcIsWindowsGraphicsCaptureSupported")]
public static extern bool IsWindowsGraphicsCaptureSupported();
[DllImport(name, EntryPoint = "UwcIsWindowsGraphicsCaptureCursorCaptureEnabledApiSupported")]
public static extern bool IsWindowsGraphicsCaptureCursorCaptureEnabledApiSupported();
public static Message[] GetMessages()
{
ExcludeRemovedWindowEvents();
var count = GetMessageCount();
var messages = new Message[count];
if (count == 0) return messages;
var ptr = GetMessages_Internal();
var size = Marshal.SizeOf(typeof(Message));
for (int i = 0; i < count; ++i) {
var data = new IntPtr(ptr.ToInt64() + (size * i));
messages[i] = (Message)Marshal.PtrToStructure(data, typeof(Message));
}
ClearMessages();
return messages;
}
public static string GetWindowTitle(int id)
{
var len = GetWindowTitleLength(id);
var ptr = GetWindowTitle_Internal(id);
if (ptr != IntPtr.Zero) {
return Marshal.PtrToStringUni(ptr, len);
} else {
return "";
}
}
public static string GetWindowClassName(int id)
{
var len = GetWindowClassNameLength(id);
var ptr = GetWindowClassName_Internal(id);
if (ptr != IntPtr.Zero) {
return Marshal.PtrToStringAnsi(ptr, len);
} else {
return "";
}
}
public static Color32[] GetWindowPixels(int id, int x, int y, int width, int height)
{
var color = new Color32[width * height];
GetWindowPixels(id, color, x, y, width, height);
return color;
}
public static bool GetWindowPixels(int id, Color32[] colors, int x, int y, int width, int height)
{
if (colors.Length < width * height) {
Debug.LogErrorFormat("colors is smaller than (width * height).", id, x, y, width, height);
return false;
}
var handle = GCHandle.Alloc(colors, GCHandleType.Pinned);
var ptr = handle.AddrOfPinnedObject();
if (!GetWindowPixels_Internal(id, ptr, x, y, width, height)) {
Debug.LogErrorFormat("GetWindowPixels({0}, {1}, {2}, {3}, {4}) failed.", id, x, y, width, height);
return false;
}
handle.Free();
return true;
}
}
}