■ Bitmap 클래스에서 스크롤 가능한 대각선 몽타주 비트맵을 사용하는 방법을 보여준다.
▶ Cell.cs
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using System.Drawing; using System.Drawing.Drawing2D; namespace TestProject { /// <summary> /// 셀 /// </summary> public class Cell { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 테두리 사각형 /// </summary> public RectangleF BoundRectangle; /// <summary> /// 비트맵 /// </summary> public Bitmap Bitmap = null; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - Cell(boundRectangle) /// <summary> /// 생성자 /// </summary> /// <param name="boundRectangle">테두리 사각형</param> public Cell(RectangleF boundRectangle) { BoundRectangle = boundRectangle; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 포인트 포함 여부 구하기 - ContainsPoint(point) /// <summary> /// 포인트 포함 여부 구하기 /// </summary> /// <param name="point">포인트</param> /// <returns>포인트 포함 여부</returns> public bool ContainsPoint(PointF point) { return BoundRectangle.Contains(point); } #endregion #region 그리기 - Draw(graphics, pen, cellWidth, cellHeight) /// <summary> /// 그리기 /// </summary> /// <param name="graphics">그래픽스</param> /// <param name="pen">펜</param> /// <param name="cellWidth">셀 너비</param> /// <param name="cellHeight">셀 높이</param> public void Draw(Graphics graphics, Pen pen, float cellWidth, float cellHeight) { if(Bitmap != null) { float bitmapWidth = Bitmap.Width; float bitmapHeight = Bitmap.Height; float centerX = bitmapWidth / 2f; float centerY = bitmapHeight / 2f; if(bitmapWidth / bitmapHeight > BoundRectangle.Width / BoundRectangle.Height) { bitmapWidth = BoundRectangle.Width / BoundRectangle.Height * bitmapHeight; } else { bitmapHeight = bitmapWidth / (BoundRectangle.Width / BoundRectangle.Height); } RectangleF sourceRectangle = new RectangleF ( centerX - bitmapWidth / 2f, centerY - bitmapHeight / 2f, bitmapWidth, bitmapHeight ); PointF[] targetPointArray = { new PointF(BoundRectangle.Left , BoundRectangle.Top ), new PointF(BoundRectangle.Right, BoundRectangle.Top ), new PointF(BoundRectangle.Left , BoundRectangle.Bottom) }; graphics.DrawImage(Bitmap, targetPointArray, sourceRectangle, GraphicsUnit.Pixel); } graphics.DrawRectangle ( pen, BoundRectangle.X, BoundRectangle.Y, BoundRectangle.Width, BoundRectangle.Height ); GraphicsPath path = GetRoundedRectanglePath ( BoundRectangle, 2 * pen.Width, 2 * pen.Width, true, true, true, true ); graphics.DrawPath(pen, path); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region 둥근 사각형 경로 구하기 - GetRoundedRectanglePath(rectangle, radiusX, radiusY, roundLeftUpper, roundRightUpper, roundRightLower, roundLeftLower) /// <summary> /// 둥근 사각형 경로 구하기 /// </summary> /// <param name="rectangle">사각형</param> /// <param name="radiusX">반경 X</param> /// <param name="radiusY">반경 Y</param> /// <param name="roundLeftUpper">좌상단 라운드 여부</param> /// <param name="roundRightUpper">우상단 라운드 여부</param> /// <param name="roundRightLower">우하단 라운드 여부</param> /// <param name="roundLeftLower">좌하단 라운드 여부</param> /// <returns>둥근 사각형 경로</returns> private GraphicsPath GetRoundedRectanglePath ( RectangleF rectangle, float radiusX, float radiusY, bool roundLeftUpper, bool roundRightUpper, bool roundRightLower, bool roundLeftLower ) { PointF point1; PointF point2; GraphicsPath graphicsPath = new GraphicsPath(); if(roundLeftUpper) { RectangleF cornerRectangle = new RectangleF ( rectangle.X, rectangle.Y, 2 * radiusX, 2 * radiusY ); graphicsPath.AddArc(cornerRectangle, 180, 90); point1 = new PointF(rectangle.X + radiusX, rectangle.Y); } else { point1 = new PointF(rectangle.X, rectangle.Y); } if(roundRightUpper) { point2 = new PointF(rectangle.Right - radiusX, rectangle.Y); } else { point2 = new PointF(rectangle.Right, rectangle.Y); } graphicsPath.AddLine(point1, point2); if(roundRightUpper) { RectangleF cornerRectangle = new RectangleF ( rectangle.Right - 2 * radiusX, rectangle.Y, 2 * radiusX, 2 * radiusY ); graphicsPath.AddArc(cornerRectangle, 270, 90); point1 = new PointF(rectangle.Right, rectangle.Y + radiusY); } else { point1 = new PointF(rectangle.Right, rectangle.Y); } if(roundRightLower) { point2 = new PointF(rectangle.Right, rectangle.Bottom - radiusY); } else { point2 = new PointF(rectangle.Right, rectangle.Bottom); } graphicsPath.AddLine(point1, point2); if(roundRightLower) { RectangleF cornerRectangle = new RectangleF ( rectangle.Right - 2 * radiusX, rectangle.Bottom - 2 * radiusY, 2 * radiusX, 2 * radiusY ); graphicsPath.AddArc(cornerRectangle, 0, 90); point1 = new PointF(rectangle.Right - radiusX, rectangle.Bottom); } else { point1 = new PointF(rectangle.Right, rectangle.Bottom); } if(roundLeftLower) { point2 = new PointF(rectangle.X + radiusX, rectangle.Bottom); } else { point2 = new PointF(rectangle.X, rectangle.Bottom); } graphicsPath.AddLine(point1, point2); if(roundLeftLower) { RectangleF cornerRectangle = new RectangleF ( rectangle.X, rectangle.Bottom - 2 * radiusY, 2 * radiusX, 2 * radiusY ); graphicsPath.AddArc(cornerRectangle, 90, 90); point1 = new PointF(rectangle.X, rectangle.Bottom - radiusY); } else { point1 = new PointF(rectangle.X, rectangle.Bottom); } if(roundLeftUpper) { point2 = new PointF(rectangle.X, rectangle.Y + radiusY); } else { point2 = new PointF(rectangle.X, rectangle.Y); } graphicsPath.AddLine(point1, point2); graphicsPath.CloseFigure(); return graphicsPath; } #endregion } } |
▶ MainForm.cs
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using System; using System.Collections.Generic; using System.Drawing; using System.Drawing.Drawing2D; using System.Drawing.Imaging; using System.IO; using System.Windows.Forms; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 이미지 너비 /// </summary> private int imageWidth; /// <summary> /// 이미지 높이 /// </summary> private int imageHeight; /// <summary> /// 셀 너비 /// </summary> private float cellWidth; /// <summary> /// 셀 높이 /// </summary> private float cellHeight; /// <summary> /// 셀 각도 /// </summary> private float cellAngle; /// <summary> /// 구분자 너비 /// </summary> private float dividerWidth; /// <summary> /// 변환 /// </summary> private Matrix transform = null; /// <summary> /// 역변환 /// </summary> private Matrix inverseTransform = null; /// <summary> /// 셀 리스트 /// </summary> private List<Cell> cellList = null; /// <summary> /// 문서 업데이트 여부 /// </summary> private bool documentUpdated = false; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); FormClosing += Form_FormClosing; this.saveAsMenuItem.Click += saveAsMenuItem_Click; this.exitMenuItem.Click += exitMenuItem_Click; this.dividerWidthTextBox.TextChanged += dividerWidthTextBox_TextChanged; this.dividerColorValueLabel.Click += dividerColorValueLabel_Click; this.backgroundColorValueLabel.Click += backgroundColorValueLabel_Click; this.createButton.Click += createButton_Click; this.pictureBox.Paint += pictureBox_Paint; this.pictureBox.MouseClick += pictureBox_MouseClick; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 폼을 닫을 경우 처리하기 - Form_FormClosing(sender, e) /// <summary> /// 폼을 닫을 경우 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Form_FormClosing(object sender, FormClosingEventArgs e) { e.Cancel = !CheckDocumentUpdated(); } #endregion #region 다른 이름으로 저장 메뉴 항목 클릭시 처리하기 - saveAsMenuItem_Click(sender, e) /// <summary> /// 다른 이름으로 저장 메뉴 항목 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void saveAsMenuItem_Click(object sender, EventArgs e) { SaveBitmap(); } #endregion #region 종료 메뉴 항목 클릭시 처리하기 - exitMenuItem_Click(sender, e) /// <summary> /// 종료 메뉴 항목 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void exitMenuItem_Click(object sender, EventArgs e) { Close(); } #endregion #region 구분자 너비 텍스트 박스 텍스트 변경시 처리하기 - dividerWidthTextBox_TextChanged(sender, e) /// <summary> /// 구분자 너비 텍스트 박스 텍스트 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void dividerWidthTextBox_TextChanged(object sender, EventArgs e) { float width; if(float.TryParse(this.dividerWidthTextBox.Text, out width)) { this.dividerWidth = width; this.pictureBox.Refresh(); } } #endregion #region 구분자 색상 값 레이블 클릭시 처리하기 - dividerColorValueLabel_Click(sender, e) /// <summary> /// 구분자 색상 값 레이블 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void dividerColorValueLabel_Click(object sender, EventArgs e) { this.colorDialog.Color = this.dividerColorValueLabel.BackColor; if(this.colorDialog.ShowDialog() == DialogResult.OK) { this.dividerColorValueLabel.BackColor = this.colorDialog.Color; this.pictureBox.Refresh(); } } #endregion #region 배경 색상 값 레이블 클릭시 처리하기 - backgroundColorValueLabel_Click(sender, e) /// <summary> /// 배경 색상 값 레이블 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void backgroundColorValueLabel_Click(object sender, EventArgs e) { this.colorDialog.Color = this.backgroundColorValueLabel.BackColor; if(this.colorDialog.ShowDialog() == DialogResult.OK) { this.backgroundColorValueLabel.BackColor = this.colorDialog.Color; this.pictureBox.Refresh(); } } #endregion #region 생성 버튼 클릭시 처리하기 - createButton_Click(sender, e) /// <summary> /// 생성 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void createButton_Click(object sender, EventArgs e) { if(!CheckDocumentUpdated()) { return; } try { this.imageWidth = int.Parse (this.imageWidthTextBox.Text ); this.imageHeight = int.Parse (this.imageHeightTextBox.Text ); this.cellWidth = int.Parse (this.cellWidthTextBox.Text ); this.cellHeight = int.Parse (this.cellHeightTextBox.Text ); this.cellAngle = float.Parse(this.cellAngleTextBox.Text ); this.dividerWidth = float.Parse(this.dividerWidthTextBox.Text); this.transform = new Matrix(); this.transform.Rotate(this.cellAngle); this.inverseTransform = new Matrix(); this.inverseTransform.Rotate(-this.cellAngle); MakeCells(); this.pictureBox.ClientSize = new Size(this.imageWidth, this.imageHeight); this.pictureBox.Visible = true; this.saveAsMenuItem.Enabled = true; this.pictureBox.Refresh(); } catch(Exception exception) { MessageBox.Show(exception.Message); } } #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) { DrawCells(e.Graphics); } #endregion #region 픽처 박스 마우스 클릭시 처리하기 - pictureBox_MouseClick(sender, e) /// <summary> /// 픽처 박스 마우스 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void pictureBox_MouseClick(object sender, MouseEventArgs e) { if(this.openFileDialog.ShowDialog() == DialogResult.OK) { try { PointF[] pointArray = { e.Location }; this.inverseTransform.TransformPoints(pointArray); foreach(Cell cell in this.cellList) { if(cell.ContainsPoint(pointArray[0])) { cell.Bitmap = new Bitmap(this.openFileDialog.FileName); this.documentUpdated = true; break; } } } catch(Exception exception) { MessageBox.Show(exception.Message); } this.pictureBox.Refresh(); } } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 문서 업데이트 여부 체크하기 - CheckDocumentUpdated() /// <summary> /// 문서 업데이트 여부 체크하기 /// </summary> /// <returns>문서 업데이트 여부</returns> private bool CheckDocumentUpdated() { if(!this.documentUpdated) { return true; } DialogResult result = MessageBox.Show ( "변경 사항을 저장하시겠습니까?", "CONFIRMATION", MessageBoxButtons.YesNoCancel ); if(result == DialogResult.No) { return true; } if(result == DialogResult.Cancel) { return false; } SaveBitmap(); return !this.documentUpdated; } #endregion #region 이미지 저장하기 - SaveImage(image, filePath) /// <summary> /// 이미지 저장하기 /// </summary> /// <param name="image">이미지</param> /// <param name="filePath">파일 경로</param> private void SaveImage(Image image, string filePath) { string fileExtension = Path.GetExtension(filePath); switch(fileExtension.ToLower()) { case ".bmp" : image.Save(filePath, ImageFormat.Bmp ); break; case ".exif" : image.Save(filePath, ImageFormat.Exif); break; case ".gif" : image.Save(filePath, ImageFormat.Gif ); break; case ".jpg" : case ".jpeg" : image.Save(filePath, ImageFormat.Jpeg); break; case ".png" : image.Save(filePath, ImageFormat.Png ); break; case ".tif" : case ".tiff" : image.Save(filePath, ImageFormat.Tiff); break; default : throw new NotSupportedException($"알 수 없는 파일 확장자 : {fileExtension}"); } } #endregion #region 비트맵 저장하기 - SaveBitmap() /// <summary> /// 비트맵 저장하기 /// </summary> private void SaveBitmap() { if(this.saveFileDialog.ShowDialog() == DialogResult.OK) { using(Bitmap bitmap = new Bitmap(this.imageWidth, this.imageHeight)) { using(Graphics graphics = Graphics.FromImage(bitmap)) { DrawCells(graphics); } SaveImage(bitmap, this.saveFileDialog.FileName); } this.documentUpdated = false; } } #endregion #region 셀 만들기 - MakeCells() /// <summary> /// 셀 만들기 /// </summary> private void MakeCells() { PointF[] pointArray = { new PointF(0 , 0 ), new PointF(0 , this.imageHeight), new PointF(this.imageWidth, this.imageHeight), new PointF(this.imageWidth, 0 ), }; this.inverseTransform.TransformPoints(pointArray); float minimumX = pointArray[0].X; float minimumY = pointArray[0].Y; float maximumX = minimumX; float maximumY = minimumY; for(int i = 1; i < pointArray.Length; i++) { if(minimumX > pointArray[i].X) { minimumX = pointArray[i].X; } if(maximumX < pointArray[i].X) { maximumX = pointArray[i].X; } if(minimumY > pointArray[i].Y) { minimumY = pointArray[i].Y; } if(maximumY < pointArray[i].Y) { maximumY = pointArray[i].Y; } } int minimumRow = (int)(minimumY / this.cellHeight) - 1; int maximumRow = (int)(maximumY / this.cellHeight) + 1; int minimumColumn = (int)(minimumX / this.cellWidth ) - 1; int maximumColumn = (int)(maximumX / this.cellWidth ) + 1; GraphicsPath graphicsPath = new GraphicsPath(); graphicsPath.AddPolygon(pointArray); Graphics graphics = CreateGraphics(); this.cellList = new List<Cell>(); for(int row = minimumRow; row <= maximumRow; row++) { for(int column = minimumColumn; column <= maximumColumn; column++) { Region region = new Region(graphicsPath); float x = column * this.cellWidth; float y = row * this.cellHeight; if(Math.Abs(column % 2) == 1) { y += this.cellHeight / 2f; } RectangleF cellRectangle = new RectangleF ( x, y, this.cellWidth, this.cellHeight ); region.Intersect(cellRectangle); if(!region.IsEmpty(graphics)) { this.cellList.Add(new Cell(cellRectangle)); } } } } #endregion #region 셀 그리기 - DrawCells(graphics) /// <summary> /// 셀 그리기 /// </summary> /// <param name="graphics">그래픽스</param> private void DrawCells(Graphics graphics) { graphics.SmoothingMode = SmoothingMode.AntiAlias; graphics.InterpolationMode = InterpolationMode.High; graphics.Clear(this.backgroundColorValueLabel.BackColor); graphics.Transform = this.transform; using(Pen pen = new Pen(this.dividerColorValueLabel.BackColor, this.dividerWidth)) { foreach(Cell cell in this.cellList) { cell.Draw(graphics, pen, this.cellWidth, this.cellHeight); } } } #endregion } } |
