■ 스캔 이미지 왜곡을 자동 보정하는 방법을 보여준다.
▶ StripInfo.cs
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using System; using System.Drawing; using System.Drawing.Drawing2D; namespace TestProject { /// <summary> /// 스트립 정보 /// </summary> [Serializable] public class StripInfo { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 스트립 배열 /// </summary> public int[][] StripArray { get; private set; } /// <summary> /// 너비 /// </summary> public int Width { get; private set; } /// <summary> /// 높이 /// </summary> public int Height { get; private set; } /// <summary> /// 스케일 /// </summary> public float Scale { get; private set; } /// <summary> /// 소스 너비 /// </summary> public int SourceWidth { get; private set; } /// <summary> /// 소스 높이 /// </summary> public int SourceHeight { get; private set; } /// <summary> /// 수직 여부 /// </summary> public bool IsVertical { get; private set; } /// <summary> /// 최대 높이 /// </summary> public const int MAXIMUM_HEIGHT = 600; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - StripInfo(sourceBitmap, stripCount, isVertical) /// <summary> /// 생성자 /// </summary> /// <param name="sourceBitmap">소스 비트맵</param> /// <param name="stripCount">스트립 카운트</param> /// <param name="isVertical">수직 여부</param> public StripInfo(Bitmap sourceBitmap, int stripCount, bool isVertical = false) { SourceWidth = sourceBitmap.Width; SourceHeight = sourceBitmap.Height; IsVertical = isVertical; Scale = SourceHeight > MAXIMUM_HEIGHT ? 1f * MAXIMUM_HEIGHT / SourceHeight : 1f; Width = stripCount; Height = (int)((IsVertical ? SourceWidth : SourceHeight) * Scale); int targetWidth = isVertical ? Height : Width; int targetHeight = isVertical ? Width : Height; using(Bitmap targetBitmap = new Bitmap(targetWidth, targetHeight)) { using(Graphics targetGraphics = Graphics.FromImage(targetBitmap)) { targetGraphics.InterpolationMode = InterpolationMode.Low; targetGraphics.DrawImage(sourceBitmap, 0, 0, targetWidth, targetHeight); using(BitmapWrapper bitmapWrapper = new BitmapWrapper(targetBitmap, true)) { StripArray = new int[Width][]; for(int x = 0; x < StripArray.Length; x++) { int[] stripHeightArray = StripArray[x] = new int[Height]; if(isVertical) { for(int y = 0; y < stripHeightArray.Length; y++) { stripHeightArray[y] = bitmapWrapper[y, x].G; } } else { for(int y = 0; y < stripHeightArray.Length; y++) { stripHeightArray[y] = bitmapWrapper[x, y].G; } } } } } } } #endregion } } |
▶ BitmapWrapper.cs
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using System; using System.Collections; using System.Collections.Generic; using System.Drawing; using System.Drawing.Imaging; using System.Runtime.InteropServices; namespace TestProject { /// <summary> /// 비트맵 래퍼 /// </summary> public class BitmapWrapper : IDisposable, IEnumerable<Point> { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 소스 비트맵 /// </summary> private Bitmap sourceBitmap; /// <summary> /// 소스 비트맵 데이터 /// </summary> private BitmapData sourceBitmapData; /// <summary> /// 소스 바이트 배열 /// </summary> private byte[] sourceByteArray; /// <summary> /// 복사 바이트 배열 /// </summary> private byte[] copyByteArray; /// <summary> /// 스트라이드 /// </summary> private int stride; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 비트맵 너비 - BitmapWidth /// <summary> /// 비트맵 너비 /// </summary> public int BitmapWidth { get; private set; } #endregion #region 비트맵 높이 - BitmapHeight /// <summary> /// 비트맵 높이 /// </summary> public int BitmapHeight { get; private set; } #endregion #region 디폴트 색상 - DefaultColor /// <summary> /// 디폴트 색상 /// </summary> public Color DefaultColor { get; set; } #endregion #region 인덱서 - this[x, y] /// <summary> /// 인덱서 /// </summary> /// <param name="x">X 좌표</param> /// <param name="y">Y 좌표</param> /// <returns>색상</returns> public Color this[int x, int y] { get { int i = GetIndex(x, y); return i < 0 ? DefaultColor : Color.FromArgb(sourceByteArray[i + 3], sourceByteArray[i + 2], sourceByteArray[i + 1], sourceByteArray[i]); } set { int i = GetIndex(x, y); if(i >= 0) { copyByteArray[i ] = value.B; copyByteArray[i + 1] = value.G; copyByteArray[i + 2] = value.R; copyByteArray[i + 3] = value.A; }; } } #endregion #region 인덱서 - this[point] /// <summary> /// 인덱서 /// </summary> /// <param name="point">포인트</param> /// <returns>색상</returns> public Color this[Point point] { get { return this[point.X, point.Y]; } set { this[point.X, point.Y] = value; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - BitmapWrapper(sourceBitmap, copySourceBitmap) /// <summary> /// 생성자 /// </summary> /// <param name="sourceBitmap">소스 비트맵</param> /// <param name="copySourceBitmap">소스 비트맵 복사 여부</param> public BitmapWrapper(Bitmap sourceBitmap, bool copySourceBitmap = false) { BitmapWidth = sourceBitmap.Width; BitmapHeight = sourceBitmap.Height; this.sourceBitmap = sourceBitmap; this.sourceBitmapData = sourceBitmap.LockBits ( new Rectangle(0, 0, sourceBitmap.Width, sourceBitmap.Height), ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb ); this.stride = this.sourceBitmapData.Stride; this.sourceByteArray = new byte[this.stride * BitmapHeight]; Marshal.Copy(this.sourceBitmapData.Scan0, this.sourceByteArray, 0, this.sourceByteArray.Length); this.copyByteArray = copySourceBitmap ? (byte[])sourceByteArray.Clone() : new byte[this.stride * BitmapHeight]; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 픽셀 설정하기 - SetPixel(point, red, green, blue) /// <summary> /// 픽셀 설정하기 /// </summary> /// <param name="point">포인트</param> /// <param name="red">빨간색</param> /// <param name="green">녹색</param> /// <param name="blue">파란색</param> public void SetPixel(Point point, double red, double green, double blue) { if(red < 0) { red = 0; } if(red >= 256) { red = 255; } if(green < 0) { green = 0; } if(green >= 256) { green = 255; } if(blue < 0) { blue = 0; } if(blue >= 256) { blue = 255; } this[point.X, point.Y] = Color.FromArgb((int)red, (int)green, (int)blue); } #endregion #region 교환하기 - Swap() /// <summary> /// 교환하기 /// </summary> public void Swap() { byte[] temporaryByteArray = sourceByteArray; sourceByteArray = copyByteArray; copyByteArray = temporaryByteArray; } #endregion #region 열거자 구하기 - GetEnumerator() /// <summary> /// 열거자 구하기 /// </summary> /// <returns>포인트 열거자</returns> public IEnumerator<Point> GetEnumerator() { for(int y = 0; y < BitmapHeight; y++) { for(int x = 0; x < BitmapWidth; x++) { yield return new Point(x, y); } } } #endregion #region (IEnumerable) 열거자 구하기 - GetEnumerator() /// <summary> /// 열거자 구하기 /// </summary> /// <returns></returns> IEnumerator IEnumerable.GetEnumerator() { return GetEnumerator(); } #endregion #region 리소스 해제하기 - Dispose() /// <summary> /// 리소스 해제하기 /// </summary> public void Dispose() { Marshal.Copy(copyByteArray, 0, sourceBitmapData.Scan0, copyByteArray.Length); sourceBitmap.UnlockBits(sourceBitmapData); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region 인덱스 구하기 - GetIndex(x, y) /// <summary> /// 인덱스 구하기 /// </summary> /// <param name="x">X 좌표</param> /// <param name="y">Y 좌표</param> /// <returns></returns> private int GetIndex(int x, int y) { return (x < 0 || x >= BitmapWidth || y < 0 || y >= BitmapHeight) ? -1 : x * 4 + y * stride; } #endregion } } |
▶ BitmapHelper.cs
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using System.Drawing; using System.Drawing.Drawing2D; namespace TestProject { /// <summary> /// 비트맵 헬퍼 /// </summary> public static class BitmapHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 비트맵 회전하기 - RotateBitmap(sourceBitmap, angle) /// <summary> /// 비트맵 회전하기 /// </summary> /// <param name="sourceBitmap">소스 비트맵</param> /// <param name="angle">각도</param> /// <returns>회전 비트맵</returns> public static Bitmap RotateBitmap(Bitmap sourceBitmap, double angle) { Bitmap targetBitmap = new Bitmap(sourceBitmap.Width, sourceBitmap.Height); using(Graphics graphics = Graphics.FromImage(targetBitmap)) { graphics.InterpolationMode = InterpolationMode.HighQualityBicubic; graphics.TranslateTransform(sourceBitmap.Width / 2, sourceBitmap.Height / 2); graphics.RotateTransform(-(float)angle); graphics.DrawImage ( sourceBitmap, -sourceBitmap.Width / 2, -sourceBitmap.Height / 2, sourceBitmap.Width, sourceBitmap.Height ); } return targetBitmap; } #endregion } } |
▶ SkewCalculator.cs
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using System; namespace TestProject { /// <summary> /// SKEW 계산기 /// </summary> public static class SkewCalculator { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 회전 각도 구하기 - GetRotateAngle(stripInfo, stripX1, stripX2, maximumSkew) /// <summary> /// 회전 각도 구하기 /// </summary> /// <param name="stripInfo">스트립 정보</param> /// <param name="stripX1">스트립 X1</param> /// <param name="stripX2">스트립 X2</param> /// <param name="maximumSkew">최대 SKEW</param> /// <returns></returns> public static double GetRotateAngle(StripInfo stripInfo, int stripX1, int stripX2, int maximumSkew = 70) { double shift = 0d; int shift1 = FindBestShift(stripInfo, stripX1 , stripX2 , -maximumSkew, maximumSkew); int shift2 = FindBestShift(stripInfo, stripX1 + 1, stripX2 + 1, -maximumSkew, maximumSkew); if(Math.Abs(shift1 - shift2) < 2) { shift = (shift1 + shift2) / 2d; } else { if(Math.Abs(shift1) < Math.Abs(shift2)) { shift = shift1; } else { shift = shift2; } } return Math.Atan2 ( shift / stripInfo.Scale, (stripX2 - stripX1) * stripInfo.SourceWidth / stripInfo.Width ); } #endregion //////////////////////////////////////////////////////////////////////////////// Private #region 정정 값 계산하기 - CalculateCorrection(stripInfo, x1, x2, shift) /// <summary> /// 정정 값 계산하기 /// </summary> /// <param name="stripInfo">스트립 정보</param> /// <param name="x1">X1</param> /// <param name="x2">X2</param> /// <param name="shift">시프트</param> /// <returns>정정 값</returns> private static double CalculateCorrection(StripInfo stripInfo, int x1, int x2, int shift) { int startIndex = shift < 0 ? -shift : 0; int endIndex = shift > 0 ? stripInfo.Height - shift - 1 : stripInfo.Height - 1; int[] stripArray1 = stripInfo.StripArray[x1]; int[] stripArray2 = stripInfo.StripArray[x2]; int res = 0; for(int i = startIndex; i <= endIndex; i++) { res += -Math.Abs(stripArray1[i] - stripArray2[i + shift]); } return 1d * stripArray1.Length * res / (stripArray1.Length - Math.Abs(shift)); } #endregion #region 최적 시프트 찾기 - FindBestShift(stripInfo, x1, x2, startShift, endShift) /// <summary> /// 최적 시프트 찾기 /// </summary> /// <param name="stripInfo">스트립 정보</param> /// <param name="x1">X1</param> /// <param name="x2">X2</param> /// <param name="startShift">시작 시프트</param> /// <param name="endShift">종료 시프트</param> /// <returns>최적 시프트</returns> private static int FindBestShift(StripInfo stripInfo, int x1, int x2, int startShift, int endShift) { double bestCorrection = double.MinValue; int bestShift = 0; for(int shift = startShift; shift <= endShift; shift++) { double correction = CalculateCorrection(stripInfo, x1, x2, shift); if(correction > bestCorrection) { bestCorrection = correction; bestShift = shift; } } return bestShift; } #endregion } } |
▶ ZoomPictureBox.cs
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using System; using System.ComponentModel; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms; namespace TestProject { /// <summary> /// 확대/축소 픽처 박스 /// </summary> public class ZoomPictureBox : UserControl { //////////////////////////////////////////////////////////////////////////////////////////////////// Event ////////////////////////////////////////////////////////////////////////////////////////// Public #region 표시 중심점 변경시 이벤트 - VisibleCenterPointChanged /// <summary> /// 표시 중심점 변경시 이벤트 /// </summary> public event EventHandler VisibleCenterPointChanged; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Enumeration ////////////////////////////////////////////////////////////////////////////////////////// Private #region 마우스 상태 - MouseState /// <summary> /// 마우스 상태 /// </summary> private enum MouseState { /// <summary> /// NONE /// </summary> None, /// <summary> /// DRAG /// </summary> Drag } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 소스 비트맵 /// </summary> private Bitmap sourceBitmap; /// <summary> /// 표시 중심점 /// </summary> private PointF visibleCenterPoint; /// <summary> /// 확대/축소 /// </summary> private float zoom = 1f; /// <summary> /// 마우스 상태 /// </summary> private MouseState mouseState; /// <summary> /// 드래그 시작 포인트 /// </summary> private Point dragStartPoint; /// <summary> /// 드래그 시작 표시 중심점 /// </summary> private PointF dragStartVisibleCenterPoint; /// <summary> /// 소스 비트맵 너비 /// </summary> private int sourceBitmapWidth; /// <summary> /// 소스 비트맵 높이 /// </summary> private int sourceBitmapHeight; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 축소/확대 델타 - ZoomDelta /// <summary> /// 축소/확대 델타 /// </summary> [DefaultValue(0.1f)] public float ZoomDelta { get; set; } #endregion #region 사용자 드래그 허용 여부 - AllowUserDrag /// <summary> /// 사용자 드래그 허용 여부 /// </summary> [DefaultValue(true)] public bool AllowUserDrag { get; set; } #endregion #region 사용자 확대/축소 허용 여부 - AllowUserZoom /// <summary> /// 사용자 확대/축소 허용 여부 /// </summary> [DefaultValue(true)] public bool AllowUserZoom { get; set; } #endregion #region 보간 모드 - InterpolationMode /// <summary> /// 보간 모드 /// </summary> public InterpolationMode InterpolationMode { get; set; } #endregion #region 픽셀 오프셋 모드 - PixelOffsetMode /// <summary> /// 픽셀 오프셋 모드 /// </summary> public PixelOffsetMode PixelOffsetMode { get; set; } #endregion #region 소스 비트맵 - SourceBitmap /// <summary> /// 소스 비트맵 /// </summary> [DefaultValue(null)] public Bitmap SourceBitmap { get { return this.sourceBitmap; } set { this.sourceBitmap = value; if(value == null) { this.sourceBitmapWidth = 0; this.sourceBitmapHeight = 0; VisibleCenterPoint = new PointF(0, 0); } else { this.sourceBitmapWidth = value.Width; this.sourceBitmapHeight = value.Height; VisibleCenterPoint = new PointF(this.sourceBitmapWidth / 2f, this.sourceBitmapHeight / 2f); } Invalidate(); } } #endregion #region 확대/축소 - Zoom /// <summary> /// 확대/축소 /// </summary> [DefaultValue(1f)] public float Zoom { get { return this.zoom; } set { if(Math.Abs(value) <= float.Epsilon) { throw new Exception("Zoom must be more then 0"); } this.zoom = value; Invalidate(); } } #endregion #region 표시 중심 포인트 - VisibleCenterPoint /// <summary> /// 표시 중심 포인트 /// </summary> public PointF VisibleCenterPoint { get { return this.visibleCenterPoint; } set { this.visibleCenterPoint = value; OnVisibleCenterPointChanged(); } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - ZoomPictureBox() /// <summary> /// 생성자 /// </summary> public ZoomPictureBox() { SetStyle ( ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true ); ZoomDelta = 0.1f; AllowUserDrag = true; AllowUserZoom = true; InterpolationMode = InterpolationMode.Bicubic; PixelOffsetMode = PixelOffsetMode.HighQuality; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 표시 중심 포인트 변경시 처리하기 - OnVisibleCenterPointChanged() /// <summary> /// 표시 중심 포인트 변경시 처리하기 /// </summary> public virtual void OnVisibleCenterPointChanged() { VisibleCenterPointChanged?.Invoke(this, EventArgs.Empty); Invalidate(); } #endregion #region 비트맵 업데이트 하기 - UpdateBitmap(sourceBitmap) /// <summary> /// 비트맵 업데이트 하기 /// </summary> /// <param name="sourceBitmap">소스 비트맵</param> public void UpdateBitmap(Bitmap sourceBitmap) { this.sourceBitmap = sourceBitmap; if(sourceBitmap != null) { this.sourceBitmapWidth = sourceBitmap.Width; this.sourceBitmapHeight = sourceBitmap.Height; } Invalidate(); } #endregion #region 축소하기 - DecreaseZoom() /// <summary> /// 축소하기 /// </summary> public void DecreaseZoom() { Zoom = (float)Math.Exp(Math.Log(this.zoom) - ZoomDelta); } #endregion #region 확대하기 - IncreazeZoom() /// <summary> /// 확대하기 /// </summary> public void IncreazeZoom() { Zoom = (float)Math.Exp(Math.Log(this.zoom) + ZoomDelta); } #endregion #region 비트맵 포인트 구하기 - GetBitmapPoint(clientPoint) /// <summary> /// 비트맵 포인트 구하기 /// </summary> /// <param name="clientPoint">클라이언트 포인트</param> /// <returns>비트맵 포인트</returns> public Point GetBitmapPoint(Point clientPoint) { float deltaX = (clientPoint.X - ClientSize.Width / 2f) / Zoom + this.visibleCenterPoint.X; float deltaY = (clientPoint.Y - ClientSize.Height / 2f) / Zoom + this.visibleCenterPoint.Y; return new Point((int)deltaX, (int)deltaY); } #endregion #region 클라이언트 포인트 구하기 - GetClientPoint(bitmapPoint) /// <summary> /// 클라이언트 포인트 구하기 /// </summary> /// <param name="bitmapPoint">비트맵 포인트</param> /// <returns>클라이언트 포인트</returns> public Point GetClientPoint(Point bitmapPoint) { float deltaX = (bitmapPoint.X - visibleCenterPoint.X) * Zoom + ClientSize.Width / 2f; float deltaY = (bitmapPoint.Y - visibleCenterPoint.Y) * Zoom + ClientSize.Height / 2f; return new Point((int)deltaX, (int)deltaY); } #endregion #region 스크린샷 구하기 - GetScreenshot() /// <summary> /// 스크린샷 구하기 /// </summary> /// <returns>스크린샷</returns> public Image GetScreenshot() { Image targetImage = new Bitmap(ClientSize.Width, ClientSize.Height); using(Graphics targetGraphics = Graphics.FromImage(targetImage)) { OnPaint(new PaintEventArgs(targetGraphics, ClientRectangle)); } return targetImage; } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 마우스 휠 처리하기 - OnMouseWheel(e) /// <summary> /// 마우스 휠 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnMouseWheel(MouseEventArgs e) { base.OnMouseWheel(e); if(!AllowUserZoom) { return; } if(e.Delta > 0) { IncreazeZoom(); } if(e.Delta < 0) { DecreaseZoom(); } } #endregion #region 마우스 DOWN 처리하기 - OnMouseDown(e) /// <summary> /// 마우스 DOWN 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnMouseDown(MouseEventArgs e) { base.OnMouseDown(e); if(AllowUserDrag) { if(e.Button == MouseButtons.Left) { Cursor = Cursors.SizeAll; this.mouseState = MouseState.Drag; } } this.dragStartPoint = e.Location; this.dragStartVisibleCenterPoint = VisibleCenterPoint; } #endregion #region 마우스 이동시 처리하기 - OnMouseMove(e) /// <summary> /// 마우스 이동시 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnMouseMove(MouseEventArgs e) { base.OnMouseMove(e); if(mouseState == MouseState.Drag) { int deltaX = e.Location.X - this.dragStartPoint.X; int deltaY = e.Location.Y - this.dragStartPoint.Y; VisibleCenterPoint = new PointF ( this.dragStartVisibleCenterPoint.X - deltaX / this.zoom, this.dragStartVisibleCenterPoint.Y - deltaY / this.zoom ); } } #endregion #region 마우스 UP 처리하기 - OnMouseUp(e) /// <summary> /// 마우스 UP 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnMouseUp(MouseEventArgs e) { base.OnMouseUp(e); Cursor = Cursors.Default; this.mouseState = MouseState.None; Invalidate(); } #endregion #region 페인트시 처리하기 - OnPaint(e) /// <summary> /// 페인트시 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnPaint(PaintEventArgs e) { if(this.sourceBitmap == null) { return; } e.Graphics.ResetTransform(); e.Graphics.InterpolationMode = InterpolationMode; e.Graphics.PixelOffsetMode = PixelOffsetMode; if(this.mouseState == MouseState.Drag || Zoom < 1f) { e.Graphics.InterpolationMode = InterpolationMode.NearestNeighbor; } float deltaX = -this.visibleCenterPoint.X * Zoom + ClientSize.Width / 2f; float deltaY = -this.visibleCenterPoint.Y * Zoom + ClientSize.Height / 2f; e.Graphics.DrawImage ( this.sourceBitmap, deltaX, deltaY, this.sourceBitmap.Width * Zoom, this.sourceBitmap.Height * Zoom ); base.OnPaint(e); } #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 { //////////////////////////////////////////////////////////////////////////////////////////////////// 랴디 ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 스트립 카운트 /// </summary> private int STRIP_COUNT = 10; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); this.sourcePictureBox.Paint += pictureBox_Paint; this.targetPictureBox.Paint += pictureBox_Paint; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 파일 열기 메뉴 클릭시 처리하기 - openFileMenuItem_Click(sender, e) /// <summary> /// 파일 열기 메뉴 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void openFileMenuItem_Click(object sender, EventArgs e) { OpenFileDialog openFileDialog = new OpenFileDialog { Filter = "Image|*.png;*.jpeg;*.jpg;*.tif" }; if(openFileDialog.ShowDialog() == DialogResult.OK) { ProcessBitmap(openFileDialog.FileName); } } #endregion #region 픽처 박스 페인트시 처리하기 - pictureBox_Paint(sender, e) /// <summary> /// 픽처 박스 페인트시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void pictureBox_Paint(object sender, PaintEventArgs e) { using(var pen = new Pen(Color.FromArgb(20, Color.Black))) { for(int i = 0; i < 1000; i += 30) { e.Graphics.DrawLine(pen, 0, i, 1000, i); } } } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 비트맵 처리하기 - ProcessBitmap(filePath) /// <summary> /// 비트맵 처리하기 /// </summary> /// <param name="filePath">파일 경로</param> private void ProcessBitmap(string filePath) { Bitmap sourceBitmap = Image.FromFile(filePath) as Bitmap; this.sourcePictureBox.SourceBitmap = sourceBitmap.Clone() as Bitmap; StripInfo stripInfo = new StripInfo(sourceBitmap, STRIP_COUNT); int stripX1 = 2; int stripX2 = 6; double angle = SkewCalculator.GetRotateAngle(stripInfo, stripX1, stripX2); angle = (angle * 180 / Math.PI); Text = "스캔 이미지 왜곡 자동 보정하기 : 각도 = " + angle.ToString("0.00"); Bitmap targetBitmap = BitmapHelper.RotateBitmap(sourceBitmap, angle); this.targetPictureBox.SourceBitmap = targetBitmap; } #endregion } } |
