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▶ MainForm.cs
using System;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Windows.Forms;
namespace TestProject
{
/// <summary>
/// 메인 폼
/// </summary>
public partial class MainForm : Form
{
//////////////////////////////////////////////////////////////////////////////////////////////////// Import
////////////////////////////////////////////////////////////////////////////////////////// Static
//////////////////////////////////////////////////////////////////////////////// Private
#region 비트 복사하기 - BitBlt(targetHandle, targetX, targetY, targetWidth, targetHeight, sourceHandle, sourceX, sourceY, rasterOperation)
/// <summary>
/// 비트 복사하기
/// </summary>
/// <param name="targetHandle">타겟 디바이스 컨텍스트 핸들</param>
/// <param name="targetX">타겟 X</param>
/// <param name="targetY">타겟 Y</param>
/// <param name="targetWidth">타겟 너비</param>
/// <param name="targetHeight">타겟 높이</param>
/// <param name="sourceHandle">소스 디바이스 컨텍스트 핸들</param>
/// <param name="sourceX">소스 X</param>
/// <param name="sourceY">소스 Y</param>
/// <param name="rasterOperation">래스터 작업</param>
/// <returns>처리 결과</returns>
[DllImport("gdi32.dll")]
private static extern int BitBlt(IntPtr targetHandle, int targetX, int targetY, int targetWidth, int targetHeight, IntPtr sourceHandle,
int sourceX, int sourceY, int rasterOperation);
#endregion
#region 객체 선택하기 - SelectObject(targetHandle, sourceObjectHandle)
/// <summary>
/// 객체 선택하기
/// </summary>
/// <param name="targetHandle">타겟 디바이스 컨텍스트 핸들</param>
/// <param name="sourceObjectHandle">소스 객체 핸들</param>
/// <returns>이전 객체</returns>
[DllImport("gdi32.dll", EntryPoint = "SelectObject")]
private static extern IntPtr SelectObject(IntPtr targetHandle, IntPtr sourceObjectHandle);
#endregion
//////////////////////////////////////////////////////////////////////////////////////////////////// Field
////////////////////////////////////////////////////////////////////////////////////////// Private
#region Field
/// <summary>
/// SRC_COPY
/// </summary>
private const int SRC_COPY = 0xcc0020;
/// <summary>
/// 사각형 비트맵
/// </summary>
private Bitmap rectangleBitmap;
/// <summary>
/// X
/// </summary>
private int x = 50;
/// <summary>
/// Y
/// </summary>
private int y = 50;
#endregion
//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
////////////////////////////////////////////////////////////////////////////////////////// Public
#region 생성자 - MainForm()
/// <summary>
/// 생성자
/// </summary>
public MainForm()
{
InitializeComponent();
SetStyle(ControlStyles.DoubleBuffer , true);
SetStyle(ControlStyles.AllPaintingInWmPaint, true);
SetStyle(ControlStyles.UserPaint , true);
Paint += Form_Paint;
KeyDown += Form_KeyDown;
Load += Form_Load;
}
#endregion
//////////////////////////////////////////////////////////////////////////////////////////////////// Method
////////////////////////////////////////////////////////////////////////////////////////// Private
#region 폼 로드시 처리하기 - Form_Load(sender, e)
/// <summary>
/// 폼 로드시 처리하기
/// </summary>
/// <param name="sender">이벤트 발생자</param>
/// <param name="e">이벤트 인자</param>
private void Form_Load(object sender, EventArgs e)
{
using(Graphics graphics = CreateGraphics())
{
this.rectangleBitmap = new Bitmap(60, 60, graphics);
using(Graphics bitmapGraphics = Graphics.FromImage(this.rectangleBitmap))
{
bitmapGraphics.Clear(Color.White);
bitmapGraphics.DrawRectangle(Pens.Blue, 0, 0, 59, 59);
}
}
}
#endregion
#region 폼 키 DOWN 처리하기 - Form_KeyDown(sender, e)
/// <summary>
/// 폼 키 DOWN 처리하기
/// </summary>
/// <param name="sender">이벤트 발생자</param>
/// <param name="e">이벤트 인자</param>
private void Form_KeyDown(object sender, KeyEventArgs e)
{
if(e.KeyCode == Keys.Up)
{
this.y -= 10;
}
else if(e.KeyCode == Keys.Down)
{
this.y += 10;
}
else if(e.KeyCode == Keys.Left)
{
this.x -= 10;
}
else if(e.KeyCode == Keys.Right)
{
this.x += 10;
}
Invalidate();
}
#endregion
#region 폼 PAINT 처리하기 - Form_Paint(sender, e)
/// <summary>
/// 폼 PAINT 처리하기
/// </summary>
/// <param name="sender">이벤트 발생자</param>
/// <param name="e">이벤트 인자</param>
private void Form_Paint(object sender, PaintEventArgs e)
{
Graphics targetGraphics = e.Graphics;
IntPtr targetDeviceContextHandle = targetGraphics.GetHdc();
using(Graphics sourceGraphics = Graphics.FromImage(this.rectangleBitmap))
{
IntPtr sourceDeviceContextHandle = sourceGraphics.GetHdc();
IntPtr previousObject = SelectObject(sourceDeviceContextHandle, this.rectangleBitmap.GetHbitmap());
BitBlt(targetDeviceContextHandle, this.x, this.y, 60, 60, sourceDeviceContextHandle, 0, 0, SRC_COPY);
sourceGraphics.ReleaseHdc(sourceDeviceContextHandle);
if(previousObject != IntPtr.Zero)
{
SelectObject(sourceDeviceContextHandle, previousObject);
}
}
targetGraphics.ReleaseHdc(targetDeviceContextHandle);
}
#endregion
}
}728x90
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