/// <summary>
/// Function to clean up any objects that are allocating memory.
/// </summary>
private void CleanUp()
{
if (_buffer != null)
{
_buffer.Dispose();
_buffer = null;
}
if (_graphicsContext != null)
{
_graphicsContext.Dispose();
_graphicsContext = null;
}
if (_graphics != null)
{
_graphics.Dispose();
_graphics = null;
}
if (_imageGraphics != null)
{
_imageGraphics.Dispose();
_imageGraphics = null;
}
if (_mouseImage == null)
{
return;
}
_mouseImage.Dispose();
_mouseImage = null;
}
/// <summary>
/// Stops splash screen and frees graphic resources.
/// Останавливает отрисовку заставки и освобождает ресурсы.
/// </summary>
public static void SplashScreenStop()
{
timer.Dispose();
_objs = null;
_context.Dispose();
Buffer.Dispose();
}
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
if (components != null)
{
components.Dispose();
}
if (Layers != null)
{
foreach (Layer l in Layers)
{
l.Dispose();
}
}
if (backbufferGraphics != null)
{
backbufferGraphics.Dispose();
}
if (backbufferContext != null)
{
backbufferContext.Dispose();
}
if (customBrush != null)
{
customBrush.Dispose();
}
}
base.Dispose(disposing);
}
public void ResizeBuffer()
{
//assert that buffer was created after resize
if (Buffer != null)
{
Buffer.Dispose();
BufferContext.Dispose();
Buffer = null;
BufferContext = null;
}
//don't resize if less than 1x1
if (refRenderTarget.Width > 0 && refRenderTarget.Height > 0)
{
//make it larger than control in order to create temp buffer
BufferContext = BufferedGraphicsManager.Current;
BufferContext.MaximumBuffer = new Size(refRenderTarget.Width + 1, refRenderTarget.Height + 1);
Buffer = BufferContext.Allocate(refRenderTarget.CreateGraphics(), new Rectangle(0, 0, refRenderTarget.Width, refRenderTarget.Height));
}
else
{
Buffer = null;
//throw new RenderDeviceException("Buffer could not be resized!");
}
}
void MainFormFormClosed(object sender, FormClosedEventArgs e)
{
bg.Dispose();
bgc.Dispose();
//mg.ReleaseHdc();
mg.Dispose();
}
private void drawGyroGraph()
{
//get our graphics buffer going so we can draw to our panel
gyroGraphicsContext = new BufferedGraphicsContext();
gyroGraphicsBuffer = gyroGraphicsContext.Allocate(Graphics.FromImage(gyroDrawingSurface), gyroboundsRectangle);
gyroGraphicsBuffer.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
gyroGraphicsBuffer.Graphics.Clear(SystemColors.Control);
float xCenter = (float)(gyroboundsRectangle.Width / 2.0);
float yCenter = (float)(gyroboundsRectangle.Height / 2.0);
//heading circles
for (int i = 0; i < spatial.gyroAxes.Count; i++)
{
gyroGraphicsBuffer.Graphics.DrawEllipse(gyrocirclePen, gyrocircleRectangle[i]);
gyroGraphicsBuffer.Graphics.DrawEllipse(
gyroxyAxisPen[i],
(float)(gyrocircleRadius[i] * Math.Cos(gyroHeading[i] * (Math.PI / 180.0)) + xCenter) - 2,
(float)(-gyrocircleRadius[i] * Math.Sin(gyroHeading[i] * (Math.PI / 180.0)) + yCenter) - 2,
4,
4
);
}
gyroGraphicsBuffer.Render(gyroView.CreateGraphics());
gyroGraphicsBuffer.Dispose();
gyroGraphicsContext.Dispose();
}
public void Draw()
{
var tmpG = Graphics.FromImage(bitmap);
tmpG.Clear(ForeColor);
MoveTmpToNormal();
tmpG.SmoothingMode = SmoothingMode.AntiAlias;
foreach (GraphItem obj in root.Children)
{
var state = tmpG.Save();
obj.OnPaint(tmpG, new Rectangle(0, 0, Width, Height), matrix);
tmpG.Restore(state);
}
if (matrix != null)
{
matrix.Reset();
}
BufferedGraphicsContext ctx = new BufferedGraphicsContext();
BufferedGraphics graphBuffer = ctx.Allocate(g, new Rectangle(0, 0, Width, Height));
Graphics diaplayGraphic = graphBuffer.Graphics;
diaplayGraphic.Clear(ForeColor);
diaplayGraphic.DrawImage(bitmap, 0, 0);
graphBuffer.Render();
graphBuffer.Dispose();
ctx.Invalidate();
ctx.Dispose();
}
private void DisposeManagedResources()
{
m_bufferedGraphicsContext.Dispose();
if (m_bufferedGraphics != null)
{
m_bufferedGraphics.Dispose();
}
}
public void Dispose()
{
_currentContext?.Dispose();
_screenBuffer?.Dispose();
_screenGraphics?.Dispose();
_gameBuffer?.Dispose();
_gameGraphics?.Dispose();
}
public void Dispose()
{
DisposeBuffer();
if (_graphicsContext != null)
{
_graphicsContext.Dispose();
_graphicsContext = null;
}
}
/// <summary>
/// Frees game's resources.
/// </summary>
public static void GameStop()
{
Program.form.KeyDown -= Form_KeyDown;
timer.Dispose();
objs = null;
ship = null;
bullet = null;
asteroids.Clear();
context.Dispose();
Buffer.Dispose();
}
private void drawCompassBearingGraph()
{
compassGraphicsContext = new BufferedGraphicsContext();
compassGraphicsBuffer = compassGraphicsContext.Allocate(Graphics.FromImage(compassDrawingSurface), compassboundsRectangle);
compassGraphicsBuffer.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
compassGraphicsBuffer.Graphics.Clear(SystemColors.Control);
float xCenter = (float)(compassboundsRectangle.Width / 2.0);
float yCenter = (float)(compassboundsRectangle.Height / 2.0);
compassGraphicsBuffer.Graphics.DrawEllipse(compassCirclePen, compasscircleRectangle);
Point pt = new Point((int)(xCenter - spatialImage.Width / 2), (int)(yCenter - spatialImage.Height / 2));
compassGraphicsBuffer.Graphics.DrawImageUnscaled(rotateImage(spatialImage, (float)compassBearing), pt);
compassGraphicsBuffer.Graphics.DrawString("N", new Font("Arial", 16), new SolidBrush(Color.Black), xCenter - 10, 0);
compassGraphicsBuffer.Graphics.DrawString("E", new Font("Arial", 16), new SolidBrush(Color.Black), xCenter * 2 - 20, yCenter - 12);
compassGraphicsBuffer.Graphics.DrawString("S", new Font("Arial", 16), new SolidBrush(Color.Black), xCenter - 10, yCenter * 2 - 20);
compassGraphicsBuffer.Graphics.DrawString("W", new Font("Arial", 16), new SolidBrush(Color.Black), 0, yCenter - 12);
//Ticks around the compass circle
for (int i = 0; i < 360; i += 10)
{
Pen p = compassTickPen;
int tickSize = 4;
if (i == 0 || i == 90 || i == 180 || i == 270)
{
p = compassTickPenBig;
tickSize = 6;
}
compassGraphicsBuffer.Graphics.DrawLine(p,
(float)((compassCircleRadius + tickSize) * Math.Cos(i * (Math.PI / 180.0)) + xCenter),
(float)(-(compassCircleRadius + tickSize) * Math.Sin(i * (Math.PI / 180.0)) + yCenter),
(float)((compassCircleRadius - tickSize) * Math.Cos(i * (Math.PI / 180.0)) + xCenter),
(float)(-(compassCircleRadius - tickSize) * Math.Sin(i * (Math.PI / 180.0)) + yCenter));
}
//Marker on the compass circle
compassGraphicsBuffer.Graphics.DrawEllipse(
compassDotPen,
(float)(compassCircleRadius * Math.Cos((-compassBearing + 90) * (Math.PI / 180.0)) + xCenter) - 2,
(float)(-compassCircleRadius * Math.Sin((-compassBearing + 90) * (Math.PI / 180.0)) + yCenter) - 2,
4,
4
);
compassGraphicsBuffer.Render(compassView.CreateGraphics());
compassGraphicsBuffer.Dispose();
compassGraphicsContext.Dispose();
}
public void Dispose_BusyAndValidated_ThrowsInvalidOperationException()
{
using (var context = new BufferedGraphicsContext())
using (var image = new Bitmap(10, 10))
using (Graphics graphics = Graphics.FromImage(image))
{
using (context.Allocate(graphics, Rectangle.Empty))
{
Assert.Throws <InvalidOperationException>(() => context.Dispose());
}
}
}
public void Resize()
{
_bufferedGraphics?.Dispose();
_bufferedGraphicsContext?.Dispose();
_bufferedGraphicsContext = BufferedGraphicsManager.Current;
_bufferedGraphics = _bufferedGraphicsContext.Allocate(_form.CreateGraphics(), _form.DisplayRectangle);
_screenGraphics = _bufferedGraphics.Graphics;
_screenGraphics.SmoothingMode = SmoothingMode.None;
_screenGraphics.InterpolationMode = InterpolationMode.NearestNeighbor;
}
private void DoRedraw(Rectangle rect)
{
BufferedGraphicsContext currentContext = BufferedGraphicsManager.Current;
BufferedGraphics myBuffer = currentContext.Allocate(control.CreateGraphics(), rect);
Graphics g = myBuffer.Graphics;
provider.DoRedraw(g, rect);
myBuffer.Render();
myBuffer.Dispose();
currentContext.Dispose();
}
public void Method12()
{
// <snippet12>
BufferedGraphicsContext myContext;
myContext = new BufferedGraphicsContext();
// Insert code to create graphics here.
// On a non-default BufferedGraphicsContext instance, you should always
// call Dispose when finished.
myContext.Dispose();
// </snippet12>
}
/// <summary>
/// Выход из игры.
/// </summary>
private static void ExitGame()
{
Buffer.Dispose();
_context.Dispose();
gameTimer.Stop();
GameForm.Dispose();
GameForm.Close();
GC.Collect();
SplashScreen.MainForm.Show();
SplashScreen.Init(SplashScreen.MainForm);
SplashScreen.Draw();
Program.CloseGame = false;
}
/// <summary>
/// Function to perform clean up on the objects within this object.
/// </summary>
/// <param name="clearDrawing">TRUE to destroy the drawing image, FALSE to leave alone.</param>
private void CleanUp(bool clearDrawing)
{
if (_buffer != null)
{
_buffer.Dispose();
_buffer = null;
}
if (_context != null)
{
_context.Dispose();
_context = null;
}
if (_surfaceGraphics != null)
{
_surfaceGraphics.Dispose();
_surfaceGraphics = null;
}
if (_controlGraphics != null)
{
_controlGraphics.Dispose();
_controlGraphics = null;
}
if (_sufaceBuffer != null)
{
_sufaceBuffer.Dispose();
_sufaceBuffer = null;
}
if (!clearDrawing)
{
return;
}
if (_imageGraphics != null)
{
_imageGraphics.Dispose();
_imageGraphics = null;
}
if (_drawing == null)
{
return;
}
_drawing.Dispose();
_drawing = null;
}
/// <summary>
/// Action call for the Mouse-Move event. For the x-coordinate
/// supplied by the MouseEvent, the unscaled x and y coordinates
/// of the plotted function are determined and displayed
/// on the control.
/// </summary>
private void panel_MouseMove(object sender, MouseEventArgs e)
{
int Xh, Xc;
HTuple Ytup;
float Yh, Yc;
Xh = e.X;
if (PreX == Xh || Xh < originX || Xh > BorderRight || func == null)
{
return;
}
PreX = Xh;
Xc = (int)Math.Round((Xh - originX) / scaleX);
Ytup = func.GetYValueFunct1d(new HTuple(Xc), "zero");
Yc = (float)Ytup[0].D;
Yh = panelHeight - (Yc * scaleY);
BufferedGraphicsContext ctx = BufferedGraphicsManager.Current;
BufferedGraphics bg = ctx.Allocate(gPanel, new Rectangle(new Point(0, 0), panel.Size));
Graphics gOfbuff = bg.Graphics;
Bitmap toDrawBeffor = new Bitmap(panel.Width, panel.Height);
Graphics gOfToDrawBeffor = Graphics.FromImage(toDrawBeffor);
// 自定义绘图
gOfToDrawBeffor.DrawLine(Pens.Blue, 0, 0, 1000, 1000);
gOfToDrawBeffor.DrawImageUnscaled(functionMap, 0, 0);
gOfToDrawBeffor.DrawLine(penCursor, Xh, 0, Xh, BorderTop);
gOfToDrawBeffor.DrawLine(penCursor, originX, Yh, BorderRight + margin, Yh);
string xStr = string.Format("{0}={1}", XName, Xc);
string yStr = string.Format("{0}={1}", YName, (int)Yc);
gOfToDrawBeffor.DrawString(xStr, drawFont, brushCS, panelWidth - margin * 4, 10);
gOfToDrawBeffor.DrawString(yStr, drawFont, brushCS, panelWidth - margin * 4, 20);
//双缓存到panel上
gOfbuff.Clear(panel.BackColor);
gOfbuff.DrawImage(toDrawBeffor, 0, 0);
bg.Render();
toDrawBeffor.Dispose();
gOfToDrawBeffor.Dispose();
gOfbuff.Dispose();
ctx.Dispose();
bg.Dispose();
}
private void RemoveVerticalLine(Graphics g, Point point)
{
Rectangle rect = provider.DrawRect;
Rectangle drawRect = new Rectangle(point.X - 2, rect.Y, 4, rect.Height);
BufferedGraphicsContext currentContext = BufferedGraphicsManager.Current;
BufferedGraphics myBuffer = currentContext.Allocate(g, drawRect);
Graphics graphic = myBuffer.Graphics;
provider.DoRedraw(graphic, drawRect);
myBuffer.Render();
myBuffer.Dispose();
currentContext.Dispose();
}
protected override void Dispose(bool disposing)
{
isDisposing = true;
if (disposing)
{
// We must dispose of backbufferGraphics before we dispose of backbufferContext or we will get an exception.
if (backbufferGraphics != null)
{
backbufferGraphics.Dispose();
}
if (backbufferContext != null)
{
backbufferContext.Dispose();
}
}
base.Dispose(disposing);
}
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
if (disposing)
{
__graphics.Dispose();
if (DOUBLE_BUFFERED)
{
__bufferedGraphics.Dispose();
if (__disposeContext)
{
__context.Dispose();
}
}
}
__graphics = null;
__handle = IntPtr.Zero;
}
internal void Release()
{
if (Graphics != null)
{
Graphics.Dispose();
}
if (Surface != null)
{
Surface.Dispose();
}
if (Context != null)
{
Context.Dispose();
}
Graphics = null;
Surface = null;
Context = null;
}
/// <summary>
/// The main loop to render
/// </summary>
private void Render()
{
int framesRendered = 0;
long startTime = Environment.TickCount;
Bitmap frame = new Bitmap(CANVAS_WIDTH, CANVAS_HEIGHT); //This bitmap is used to draw upon on the loop, doing this allows us to only draw 1 image on the panel
Bitmap movingFrame = new Bitmap(CANVAS_WIDTH, CANVAS_HEIGHT);
Graphics frameGraphics = Graphics.FromImage(frame); //Extract the graphics object from the Bitmap
Graphics movingGraphics = Graphics.FromImage(movingFrame);
frameGraphics.Clear(Color.Red);
IterateGridObjects(frameGraphics);
BufferedGraphicsContext buffer = new BufferedGraphicsContext();
BufferedGraphics bufferedGraphics = buffer.Allocate(drawHandle, new Rectangle(0, 0, CANVAS_WIDTH, CANVAS_HEIGHT));
while (render)
{
UpdateGrids(frameGraphics);
DrawGhostObject(frameGraphics);
movingGraphics.Clear(Color.Transparent);
DrawMovingObjects(movingGraphics);
bufferedGraphics.Graphics.DrawImageUnscaled(frame, 0, 0);
bufferedGraphics.Graphics.DrawImageUnscaled(movingFrame, 0, 0);
bufferedGraphics.Render();
framesRendered++;
if (Environment.TickCount >= startTime + 1000) //Each second we update our frames
{
TMConsole.FPS = framesRendered;
startTime = Environment.TickCount;
framesRendered = 0; //reset to 0 for the next second
}
}
//Dispose used frames and bitmaps and assets
frame.Dispose();
frameGraphics.Dispose();
movingFrame.Dispose();
movingGraphics.Dispose();
buffer.Dispose();
UnloadAssets();
//Sets the renderthread to null, we're done with it
renderThread = null;
}
private void timer1_Tick(object sender, EventArgs e)
{
System.Drawing.Graphics gr = panel2.CreateGraphics();
BufferedGraphicsContext espaciobuffer = BufferedGraphicsManager.Current;
BufferedGraphics buffer = espaciobuffer.Allocate(gr, new Rectangle(0, 0, Wreal, Hreal));
buffer.Graphics.Clear(Color.White);
buffer.Graphics.DrawImage(pictureBox1.Image, XReal, YReal, Wreal, Hreal);
//controlador.DibujarMatriz(buffer.Graphics,XReal,YReal);
//controlador.DibujarPath(buffer.Graphics);
//controlador.DibujarParaderos(buffer.Graphics);
controlador.dibujaLinea(buffer.Graphics);
buffer.Render(gr);
gr.Dispose();
espaciobuffer.Dispose();
buffer.Dispose();
}
private void drawAccelGraph()
{
accelGraphicsContext = new BufferedGraphicsContext();
accelGraphicsBuffer = accelGraphicsContext.Allocate(Graphics.FromImage(accelDrawingSurface), accelboundsRectangle);
accelGraphicsBuffer.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
accelGraphicsBuffer.Graphics.Clear(SystemColors.Control);
float xCenter = (float)(accelboundsRectangle.Width / 2.0);
float yCenter = (float)(accelboundsRectangle.Height / 2.0);
float xOld = xCenter - (float)spatial.accelerometerAxes[0].Acceleration * accelcircleRadius * (float)(1 / ambientGravity);
float yOld = yCenter - (float)spatial.accelerometerAxes[1].Acceleration * accelcircleRadius * (float)(1 / ambientGravity);
accelGraphicsBuffer.Graphics.DrawLine(accelxyAxisPen, xCenter, yCenter, xOld, yOld);
accelGraphicsBuffer.Graphics.DrawEllipse(accelcirclePen, new Rectangle((int)(xCenter - accelcircleRadius), (int)(yCenter - accelcircleRadius),
(int)accelcircleDiameter, (int)accelcircleDiameter));
if (spatial.accelerometerAxes.Count == 3)
{
double zOut = spatial.accelerometerAxes[2].Acceleration * (float)(1 / ambientGravity);
if (zOut > 0)
{
accelGraphicsBuffer.Graphics.DrawEllipse(new Pen(Color.Red, 2),
new Rectangle((int)xCenter - (int)(accelcircleRadius * zOut), (int)yCenter - (int)(accelcircleRadius * zOut),
(int)(accelcircleDiameter * zOut), (int)(accelcircleDiameter * zOut)));
}
else
{
accelGraphicsBuffer.Graphics.DrawEllipse(new Pen(Color.Green, 2),
new Rectangle((int)xCenter - (int)(accelcircleRadius * -zOut), (int)yCenter - (int)(accelcircleRadius * -zOut),
(int)(accelcircleDiameter * -zOut), (int)(accelcircleDiameter * -zOut)));
}
}
accelGraphicsBuffer.Render(panel1.CreateGraphics());
accelGraphicsBuffer.Dispose();
accelGraphicsContext.Dispose();
}
// Draws the motor visualisation circle to the interface
private void drawCirclePlot()
{
circlePlotContext = new BufferedGraphicsContext();
circlePlotBuffer = circlePlotContext.Allocate(Graphics.FromImage(circlePlotSurface), circleBounds);
circlePlotBuffer.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
circlePlotBuffer.Graphics.Clear(SystemColors.Control);
float xCenter = (float)(circleBounds.Width / 2.0);
float yCenter = (float)(circleBounds.Height / 2.0);
circlePlotBuffer.Graphics.DrawEllipse(outerCirclePlotPen, circleRectangles[0]);
circlePlotBuffer.Graphics.DrawEllipse(circlePlotPens[0], (float)(circleRadii[0] * Math.Cos(currentPos * 2 * Math.PI / 2000.0) + xCenter) - 2,
(float)(-circleRadii[0] * Math.Sin(currentPos * 2 * Math.PI / 2000.0) + yCenter) - 2, 4, 4);
circlePlotBuffer.Graphics.DrawEllipse(outerCirclePlotPen, circleRectangles[1]);
circlePlotBuffer.Graphics.DrawEllipse(circlePlotPens[1], (float)(circleRadii[1] * Math.Cos(desiredPos * 2 * Math.PI / 2000.0) + xCenter) - 2,
(float)(-circleRadii[1] * Math.Sin(desiredPos * 2 * Math.PI / 2000.0) + yCenter) - 2, 4, 4);
circlePlotBuffer.Render(circlePlotPanel.CreateGraphics());
circlePlotBuffer.Dispose();
circlePlotContext.Dispose();
}
private void drawMagFieldGraph()
{
magFieldGraphicsContext = new BufferedGraphicsContext();
magFieldGraphicsBuffer = magFieldGraphicsContext.Allocate(Graphics.FromImage(magFieldDrawingSurface), magFieldBoundsRectangle);
magFieldGraphicsBuffer.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
magFieldGraphicsBuffer.Graphics.Clear(SystemColors.Control);
float xCenter = (float)(magFieldBoundsRectangle.Width / 2.0);
float yCenter = (float)(magFieldBoundsRectangle.Height / 2.0);
float xOld = xCenter + (float)(spatial.compassAxes[0].MagneticField) * magFieldCircleRadius * (float)(1 / ambientMagneticField);
float yOld = yCenter + (float)(spatial.compassAxes[1].MagneticField) * magFieldCircleRadius * (float)(1 / ambientMagneticField);
magFieldGraphicsBuffer.Graphics.DrawLine(magFieldXYAxisPen, xCenter, yCenter, xOld, yOld);
magFieldGraphicsBuffer.Graphics.DrawEllipse(magFieldCirclePen, magFieldCircleRectangle);
if (spatial.compassAxes.Count == 3)
{
double zOut = (spatial.compassAxes[2].MagneticField) * (float)(1 / ambientMagneticField);
if (zOut > 0)
{
magFieldGraphicsBuffer.Graphics.DrawEllipse(new Pen(Color.Red, 2),
new Rectangle((int)xCenter - (int)(magFieldCircleRadius * zOut), (int)yCenter - (int)(magFieldCircleRadius * zOut),
(int)(magFieldCircleDiameter * zOut), (int)(magFieldCircleDiameter * zOut)));
}
else
{
magFieldGraphicsBuffer.Graphics.DrawEllipse(new Pen(Color.Green, 2),
new Rectangle((int)xCenter - (int)(magFieldCircleRadius * -zOut), (int)yCenter - (int)(magFieldCircleRadius * -zOut),
(int)(magFieldCircleDiameter * -zOut), (int)(magFieldCircleDiameter * -zOut)));
}
}
magFieldGraphicsBuffer.Render(magFieldView.CreateGraphics());
magFieldGraphicsBuffer.Dispose();
magFieldGraphicsContext.Dispose();
}
public GunFire()
{
InitializeComponent();
_ship = new Classes.Ship();
_spaceShip = new Classes.BaseImage(Properties.Resources.SpaceShipSm, new Rectangle(100, 100, 104, 80)); // X, Y, Width, Height
_laserBolt = new Classes.BaseImage(Properties.Resources.LaserboltSm, new Rectangle(200, 132, 25, 15));
this.SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint, true);
this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
// Gets a reference to the current BufferedGraphicsContext
currentContext = BufferedGraphicsManager.Current;
// Creates a BufferedGraphics instance associated with Form1, and with
// dimensions the same size as the drawing surface of Form1.
myBuffer = currentContext.Allocate(this.CreateGraphics(), this.DisplayRectangle);
DrawToBuffer(myBuffer.Graphics);
timer1.Start();
currentContext.Dispose();
}
/// <summary>
/// 销毁对象
/// </summary>
public void Dispose()
{
if (m_currentContext != null)
{
m_currentContext.Dispose();
m_currentContext = null;
}
if (m_emptyStringFormat != null)
{
m_emptyStringFormat.Dispose();
m_emptyStringFormat = null;
}
if (m_buffer != null)
{
m_buffer.Dispose();
m_buffer = null;
}
if (m_graphics != null)
{
m_graphics.Dispose();
m_graphics = null;
}
}