■ 투명 배경의 스플래시 이미지를 사용하는 방법을 보여준다.
▶ BitmapHelper.cs
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using System; using System.Drawing; using System.Drawing.Imaging; namespace TestProject { /// <summary> /// 비트맵 헬퍼 /// </summary> public unsafe class BitmapHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Struct ////////////////////////////////////////////////////////////////////////////////////////// Private #region 픽셀 데이터 - PixelData /// <summary> /// 픽셀 데이터 /// </summary> private struct PixelData { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 파란색 /// </summary> public byte Blue; /// <summary> /// 녹색 /// </summary> public byte Green; /// <summary> /// 빨간색 /// </summary> public byte Red; /// <summary> /// 알파 /// </summary> public byte Alpha; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 문자열 구하기 - ToString() /// <summary> /// 문자열 구하기 /// </summary> /// <returns>문자열</returns> public override string ToString() { return "(" + Alpha.ToString() + ", " + Red.ToString() + ", " + Green.ToString() + ", " + Blue.ToString() + ")"; } #endregion } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 비트맵 /// </summary> private Bitmap bitmap = null; /// <summary> /// 비트맵 너비 /// </summary> private int bitmapWidth = 0; /// <summary> /// 비트맵 데이터 /// </summary> private BitmapData bitmapData = null; /// <summary> /// 베이스 포인터 /// </summary> private Byte* basePointer = null; /// <summary> /// 픽셀 데이터 /// </summary> private PixelData* pixelData = null; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - BitmapHelper(bitmap) /// <summary> /// 생성자 /// </summary> /// <param name="bitmap">비트맵</param> public BitmapHelper(Bitmap bitmap) { this.bitmap = bitmap; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 비트맵 잠그기 - LockBitmap() /// <summary> /// 비트맵 잠그기 /// </summary> public void LockBitmap() { Rectangle rectangle = new Rectangle(Point.Empty, this.bitmap.Size); this.bitmapWidth = (int)(rectangle.Width * sizeof(PixelData)); if(this.bitmapWidth % 4 != 0) { this.bitmapWidth = 4 * (this.bitmapWidth / 4 + 1); } this.bitmapData = this.bitmap.LockBits(rectangle, ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb); this.basePointer = (Byte*)this.bitmapData.Scan0.ToPointer(); } #endregion #region 픽셀 구하기 - GetPixel(int x, int y) /// <summary> /// 픽셀 구하기 /// </summary> /// <param name="x">X 좌표</param> /// <param name="y">Y 좌표</param> /// <returns>색상</returns> public Color GetPixel(int x, int y) { this.pixelData = (PixelData*)(this.basePointer + y * this.bitmapWidth + x * sizeof(PixelData)); return Color.FromArgb(this.pixelData->Alpha, this.pixelData->Red, this.pixelData->Green, this.pixelData->Blue); } #endregion #region 다음 픽셀 구하기 - GetPixelNext() /// <summary> /// 다음 픽셀 구하기 /// </summary> /// <returns>색상</returns> public Color GetPixelNext() { this.pixelData++; return Color.FromArgb(this.pixelData->Alpha, this.pixelData->Red, this.pixelData->Green, this.pixelData->Blue); } #endregion #region 픽셀 설정하기 - SetPixel(x, y, color) /// <summary> /// 픽셀 설정하기 /// </summary> /// <param name="x">X 좌표</param> /// <param name="y">Y 좌표</param> /// <param name="color">색상</param> public void SetPixel(int x, int y, Color color) { PixelData* pixelData = (PixelData*)(this.basePointer + y * this.bitmapWidth + x * sizeof(PixelData)); pixelData->Alpha = color.A; pixelData->Red = color.R; pixelData->Green = color.G; pixelData->Blue = color.B; } #endregion #region 비트맵 잠금 해제하기 - UnlockBitmap() /// <summary> /// 비트맵 잠금 해제하기 /// </summary> public void UnlockBitmap() { this.bitmap.UnlockBits(this.bitmapData); this.bitmapData = null; this.basePointer = null; } #endregion } } |
▶ TransparentSplashControl.cs
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using System; using System.Drawing; using System.Drawing.Text; using System.Runtime.InteropServices; using System.Windows.Forms; namespace TestProject { /// <summary> /// 투명 스플래시 컨트롤 /// </summary> public sealed class TransparentSplashControl : Control { //////////////////////////////////////////////////////////////////////////////////////////////////// Import ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 데스크톱 윈도우 구하기 - GetDesktopWindow() /// <summary> /// 데스크톱 윈도우 구하기 /// </summary> /// <returns>데스크톱 윈도우 핸들</returns> [DllImport("user32.dll", CharSet = CharSet.Auto)] private static extern IntPtr GetDesktopWindow(); #endregion #region 부모 설정하기 - SetParent(childHandle, parentHandle) /// <summary> /// 부모 설정하기 /// </summary> /// <param name="childHandle">자식 핸들</param> /// <param name="parentHandle">부모 핸들</param> /// <returns>처리 결과</returns> [DllImport("user32.dll", CharSet = CharSet.Auto)] private static extern IntPtr SetParent(IntPtr childHandle, IntPtr parentHandle); #endregion #region 윈도우 위치 설정하기 - SetWindowPos(windowHandle, windowHandleInsertAfter, x, y, width, height, flag) /// <summary> /// 윈도우 위치 설정하기 /// </summary> /// <param name="windowHandle">윈도우 핸들</param> /// <param name="windowHandleInsertAfter">추가할 윈도우의 앞에 오는 윈도우 핸들</param> /// <param name="x">X 좌표</param> /// <param name="y">Y 좌표</param> /// <param name="width">너비</param> /// <param name="height">높이</param> /// <param name="flag">플래그</param> /// <returns>처리 결과</returns> [DllImport("user32.dll", EntryPoint = "SetWindowPos", CallingConvention = CallingConvention.StdCall, SetLastError = true)] private static extern int SetWindowPos(IntPtr windowHandle, IntPtr windowHandleInsertAfter, int x, int y, int width, int height, uint flag); #endregion #region 비트맵 복사하기 - BitBlt(targetDCHandle, targetX, targetY, width, height, sourceDCHandle, sourceX, sourceY, ropFlag) /// <summary> /// 비트맵 복사하기 /// </summary> /// <param name="targetDCHandle">타겟 디바이스 컨텍스트 핸들</param> /// <param name="targetX">타겟 X 좌표</param> /// <param name="targetY">타겟 Y 좌표</param> /// <param name="width">너비</param> /// <param name="height">높이</param> /// <param name="sourceDCHandle">소스 디바이스 컨텍스트 핸들</param> /// <param name="sourceX">소스 X 좌표</param> /// <param name="sourceY">소스 Y 좌표</param> /// <param name="ropFlag">래스터 연산 플래그</param> /// <returns>처리 결과</returns> [DllImport("gdi32.dll")] private static extern bool BitBlt(IntPtr targetDCHandle, int targetX, int targetY, int width, int height, IntPtr sourceDCHandle, int sourceX, int sourceY, uint ropFlag); #endregion #region 픽셀 설정하기 - SetPixel(dcHandle, x, y, color) /// <summary> /// 픽셀 설정하기 /// </summary> /// <param name="dcHandle">디바이스 컨텍스트 핸들</param> /// <param name="x">X 좌표</param> /// <param name="y">Y 좌표</param> /// <param name="color">색상</param> /// <returns>실제 설정 색상</returns> [DllImport("gdi32.dll")] private static extern uint SetPixel(IntPtr dcHandle, int x, int y, uint color); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 인스턴스 /// </summary> private static TransparentSplashControl _instance; /// <summary> /// 잠금 객체 /// </summary> private static object _lockObject = new object(); #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// WS_EX_TOPMOST /// </summary> private const int WS_EX_TOPMOST = unchecked((int)0x00000008L); /// <summary> /// WS_EX_TOOLWINDOW /// </summary> private const int WS_EX_TOOLWINDOW = unchecked((int)0x00000080); /// <summary> /// SWP_NOSIZE /// </summary> private const uint SWP_NOSIZE = 0x0001; /// <summary> /// SWP_NOMOVE /// </summary> private const uint SWP_NOMOVE = 0x0002; /// <summary> /// HWND_TOPMOST /// </summary> private const int HWND_TOPMOST = -1; /// <summary> /// 제목 /// </summary> private string title; /// <summary> /// 주석 /// </summary> private string comment; /// <summary> /// 문자열 포맷 /// </summary> private StringFormat stringFormat; /// <summary> /// 텍스트 오프셋 X /// </summary> private int textOffsetX; /// <summary> /// 텍스트 오프셋 Y /// </summary> private int textOffsetY; /// <summary> /// 리딩 /// </summary> private int leading; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 인스턴스 - Instance /// <summary> /// 인스턴스 /// </summary> public static TransparentSplashControl Instance { get { lock(_lockObject) { if(_instance == null || _instance.IsDisposed) { _instance = new TransparentSplashControl(); } return _instance; } } } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Public #region 제목 - Title /// <summary> /// 제목 /// </summary> public string Title { get { return this.title; } set { if(this.title != value) { this.title = value; Invalidate ( new Rectangle ( Convert.ToInt32(TitleRectangle.X), Convert.ToInt32(TitleRectangle.Y), TextAreaWidth, Convert.ToInt32(TitleRectangle.Height) ) ); Update(); } } } #endregion #region 주석 - Comment /// <summary> /// 주석 /// </summary> public string Comment { get { return this.comment; } set { if(this.comment != value) { this.comment = value; Invalidate ( new Rectangle ( Convert.ToInt32(CommentRectangle.X), Convert.ToInt32(CommentRectangle.Y), TextAreaWidth, Convert.ToInt32(CommentRectangle.Height) ) ); Update(); } } } #endregion #region 텍스트 영역 X - TextAreaX /// <summary> /// 텍스트 영역 X /// </summary> public int TextAreaX { get; set; } #endregion #region 텍스트 영역 Y - TextAreaY /// <summary> /// 텍스트 영역 Y /// </summary> public int TextAreaY { get; set; } #endregion #region 텍스트 영역 너비 - TextAreaWidth /// <summary> /// 텍스트 영역 너비 /// </summary> public int TextAreaWidth { get; set; } #endregion #region 텍스트 영역 높이 - TextAreaHeight /// <summary> /// 텍스트 영역 높이 /// </summary> public int TextAreaHeight { get; set; } #endregion #region 투명 색상 - TransparencyColor /// <summary> /// 투명 색상 /// </summary> public Color TransparencyColor { get; set; } #endregion #region 제목 사각형 - TitleRectangle /// <summary> /// 제목 사각형 /// </summary> private RectangleF TitleRectangle { get; set; } #endregion #region 주석 사각형 - CommentRectangle /// <summary> /// 주석 사각형 /// </summary> private RectangleF CommentRectangle { get; set; } #endregion #region 주석 폰트 - CommentFont /// <summary> /// 주석 폰트 /// </summary> public Font CommentFont { get; set; } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 생성 매개 변수 - CreateParams /// <summary> /// 생성 매개 변수 /// </summary> protected override CreateParams CreateParams { get { CreateParams createParams = base.CreateParams; createParams.ExStyle |= WS_EX_TOOLWINDOW | WS_EX_TOPMOST; createParams.Parent = IntPtr.Zero; return createParams; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Private #region 생성자 - TransparentSplashControl() /// <summary> /// 생성자 /// </summary> private TransparentSplashControl() { Title = string.Empty; Comment = string.Empty; Font = new Font("Verdana", 28.00f, FontStyle.Regular, GraphicsUnit.Point, ((byte)(0))); CommentFont = new Font("Verdana", 8.25f , FontStyle.Regular, GraphicsUnit.Point, ((byte)(0))); SetStyle(ControlStyles.DoubleBuffer , false); SetStyle(ControlStyles.UserPaint , true ); SetStyle(ControlStyles.AllPaintingInWmPaint, true ); this.stringFormat = new StringFormat(); this.stringFormat.FormatFlags |= StringFormatFlags.NoWrap; this.stringFormat.FormatFlags |= StringFormatFlags.MeasureTrailingSpaces; this.textOffsetY = 0; this.textOffsetX = 10; this.leading = 6; Visible = false; TextAreaX = 0; TextAreaY = 0; TextAreaWidth = 0; TextAreaHeight = 0; TransparencyColor = Color.Black; CommentRectangle = RectangleF.Empty; TitleRectangle = RectangleF.Empty; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Protected #region 디스플레이 시작하기 - BeginDisplay() /// <summary> /// 디스플레이 시작하기 /// </summary> public static void BeginDisplay() { if(!Instance.Visible) { Instance.SetLocation(); if(!Instance.Created) { Instance.CreateControl(); } SetWindowPos(Instance.Handle, (IntPtr)HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE); Instance.Visible = true; Instance.Refresh(); } } #endregion #region 디스플레이 종료하기 - EndDisplay() /// <summary> /// 디스플레이 종료하기 /// </summary> public static void EndDisplay() { Instance.Visible = false; } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Protected #region 핸들 생성시 처리하기 - OnHandleCreated(e) /// <summary> /// 핸들 생성시 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnHandleCreated(EventArgs e) { IntPtr desktopWindowHandle = IntPtr.Zero; if(Handle != IntPtr.Zero) { desktopWindowHandle = GetDesktopWindow(); SetParent(Handle, desktopWindowHandle); } if(TextAreaWidth == 0) { TextAreaWidth = ClientRectangle.Width; } if(TextAreaHeight == 0) { TextAreaHeight = ClientRectangle.Height; } CommentRectangle = new RectangleF(0, 0, (float)TextAreaWidth, (float)TextAreaHeight); TitleRectangle = new RectangleF(0, 0, (float)TextAreaWidth, (float)TextAreaHeight); base.OnHandleCreated(e); } #endregion #region 배경 이미지 변경시 처리하기 - OnBackgroundImageChanged(e) /// <summary> /// 배경 이미지 변경시 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnBackgroundImageChanged(EventArgs e) { base.OnBackgroundImageChanged(e); if(BackgroundImage != null) { Width = BackgroundImage.Width; Height = BackgroundImage.Height; SetLocation(); } Refresh(); } #endregion #region 배경 페인트시 처리하기 - OnPaintBackground(e) /// <summary> /// 배경 페인트시 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnPaintBackground(PaintEventArgs e) { } #endregion #region 페인트시 처리하기 - OnPaint(e) /// <summary> /// 페인트시 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnPaint(PaintEventArgs e) { if(Bounds.Width > 0 && Bounds.Height > 0 && Visible) { Graphics graphics = e.Graphics; graphics.SetClip(e.ClipRectangle); graphics.TextRenderingHint = TextRenderingHint.ClearTypeGridFit; #region 이미지 배경을 투명 처리한다. Color transparentColor = Color.FromArgb(TransparencyColor.R, TransparencyColor.G, TransparencyColor.B); IntPtr dcHandle = graphics.GetHdc(); Point point = new Point(); Color pixelColor; Bitmap bitmap = (Bitmap)BackgroundImage; BitmapHelper bitmapHelper = new BitmapHelper(bitmap); bitmapHelper.LockBitmap(); for(point.Y = 0; point.Y < BackgroundImage.Height; point.Y++) { for(point.X = 0; point.X < BackgroundImage.Width; point.X++) { if((pixelColor = bitmapHelper.GetPixel(point.X, point.Y)) != transparentColor) { SetPixel(dcHandle, point.X, point.Y, GetColorValue(pixelColor)); } } } bitmapHelper.UnlockBitmap(); graphics.ReleaseHdc(); #endregion #region 텍스트를 그린다. this.textOffsetY = TextAreaY; if(Title != string.Empty) { Font fontTitle = new Font(Font, FontStyle.Bold); SizeF titleSize = graphics.MeasureString(Title, fontTitle, TextAreaWidth, this.stringFormat); RectangleF titleRectangle = new RectangleF(TextAreaX + this.textOffsetX, this.textOffsetY, titleSize.Width, titleSize.Height); SolidBrush titleBrush = new SolidBrush(ForeColor); graphics.DrawString(Title, fontTitle, titleBrush, titleRectangle, this.stringFormat); titleBrush.Dispose(); fontTitle.Dispose(); TitleRectangle = titleRectangle; this.textOffsetY += this.leading + Convert.ToInt32(titleRectangle.Height); } if(Comment != string.Empty) { SizeF commentSize = graphics.MeasureString(Comment, CommentFont, TextAreaWidth, this.stringFormat); this.textOffsetY += Convert.ToInt32(Math.Ceiling(commentSize.Height)); RectangleF commentRectangle = new RectangleF(TextAreaX + this.textOffsetX, this.textOffsetY, commentSize.Width, commentSize.Height); SolidBrush commentBrush = new SolidBrush(ForeColor); graphics.DrawString(Comment, CommentFont, commentBrush, commentRectangle, this.stringFormat); commentBrush.Dispose(); CommentRectangle = commentRectangle; } #endregion } } #endregion #region 리소스 해제하기 - Dispose(disposing) /// <summary> /// 리소스 해제하기 /// </summary> /// <param name="disposing">해제 여부</param> protected override void Dispose(bool disposing) { if(disposing) { CommentFont.Dispose(); CommentFont = null; if(this.stringFormat != null) { this.stringFormat.Dispose(); this.stringFormat = null; } } base.Dispose(disposing); } #endregion //////////////////////////////////////////////////////////////////////////////// Private #region 배경 이미지 설정하기 - SetBackgroundImage(image) /// <summary> /// 배경 이미지 설정하기 /// </summary> /// <param name="image">이미지</param> public static void SetBackgroundImage(Image image) { Instance.BackgroundImage = image; } #endregion #region 제목 설정하기 - SetTitle(title) /// <summary> /// 제목 설정하기 /// </summary> /// <param name="title">제목</param> public static void SetTitle(string title) { Instance.Title = title; } #endregion #region 주석 설정하기 - SetComment(comment) /// <summary> /// 주석 설정하기 /// </summary> /// <param name="comment">주석</param> public static void SetComment(string comment) { Instance.Comment = comment; } #endregion #region 위치 설정하기 - SetLocation() /// <summary> /// 위치 설정하기 /// </summary> private void SetLocation() { Rectangle workingArea = SystemInformation.WorkingArea; int x = (workingArea.Width - Width ) / 2; int y = (workingArea.Height - Height) / 2; Location = new Point(x, y); } #endregion #region 색상 값 구하기 - GetColorValue(color) /// <summary> /// 색상 값 구하기 /// </summary> /// <param name="color">색상</param> /// <returns>색상 값</returns> private uint GetColorValue(Color color) { return Convert.ToUInt32((color.B << 16 | color.G << 8 | color.R)); } #endregion } } |
▶ MainForm.cs
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using System; using System.Drawing; using System.Windows.Forms; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); TransparentSplashControl.Instance.TransparencyColor = Color.Black ; TransparentSplashControl.Instance.Width = 256; TransparentSplashControl.Instance.Height = 256; TransparentSplashControl.Instance.TextAreaX = 32; TransparentSplashControl.Instance.TextAreaY = 96; TransparentSplashControl.Instance.TextAreaWidth = 192; TransparentSplashControl.Instance.TextAreaHeight = 64; TransparentSplashControl.Instance.ForeColor = Color.White ; TransparentSplashControl.SetBackgroundImage(Image.FromFile("splash.png")); TransparentSplashControl.SetTitle("스플래시!"); this.startButton.Click += startButton_Click; this.stopButton.Click += stopButton_Click; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 폼을 닫는 경우 처리하기 - OnFormClosed(e) /// <summary> /// 폼을 닫는 경우 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnFormClosed(FormClosedEventArgs e) { TransparentSplashControl.EndDisplay(); TransparentSplashControl.Instance.Dispose(); base.OnFormClosed(e); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region 시작하기 버튼 클릭시 처리하기 - startButton_Click(sender, e) /// <summary> /// 시작하기 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void startButton_Click(object sender, EventArgs e) { TransparentSplashControl.BeginDisplay(); } #endregion #region 중단하기 버튼 클릭시 처리하기 - stopButton_Click(sender, e) /// <summary> /// 중단하기 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void stopButton_Click(object sender, EventArgs e) { TransparentSplashControl.EndDisplay(); } #endregion } } |
