behzad_rainy
سه شنبه 15 آذر 1390, 11:51 صبح
سلام
موقع اجرای کد های زیر برنامه خطای +a generic error occurred in gdi رو میده برای g.DrawImage(bmpSplash, animPos, redrawSrc, GraphicsUnit.Pixel);
ممنون میشم کمکم کنید
/// <summary>
/// A hack constant specifying how many cells the animation has
/// </summary>
const int kNumAnimationCells = 8;
/// <summary>
/// Splash screen background bitmap
/// </summary>
Bitmap bmpSplash = null;
/// <summary>
/// Splash screen animation bitmap
/// </summary>
Bitmap bmpAnim = null;
/// <summary>
/// Current screen position of the animation
/// </summary>
Rectangle animPos = new Rectangle(0, 0, 0, 0);
/// <summary>
/// Graphics object used to render splash screen.
/// Cached for performance.
/// </summary>
Graphics g = null;
/// <summary>
/// The region of the screen filled by the background.
/// Cached for performance.
/// </summary>
Rectangle splashRegion = new Rectangle(0, 0, 0, 0);
/// <summary>
/// The source region of the background draw.
/// Cached for performance.
/// </summary>
Rectangle splashSrc = new Rectangle(0, 0, 0, 0);
/// <summary>
/// Image attributes specifying transperancy color.
/// Cached for performance.
/// </summary>
ImageAttributes attr = new ImageAttributes();
/// <summary>
/// Timer used to update the screen at regular intervals.
/// </summary>
System.Threading.Timer splashTimer = null;
/// <summary>
/// Source region for redrawing the background.
/// Cached for performance.
/// </summary>
Rectangle redrawSrc = new Rectangle(0, 0, 0, 0);
/// <summary>
/// Current cell being displayed in the animation.
/// </summary>
int curAnimCell = 0;
/// <summary>
/// The number of updates that the splash screen timer triggered.
/// </summary>
int numUpdates = 0;
/// <summary>
/// Time between screen updates (ms)
/// </summary>
int timerInterval_ms = 0;
/// <summary>
/// Constructor for the splash screen form. Creates the background
/// and animation Bitmap objects
/// </summary>
/// <param name="timerInterval">Length of time between screen updates (ms)</param>
public SplashForm(int timerInterval)
{
// Store the timer interval
timerInterval_ms = timerInterval;
// Load the embedded splash image resources
Assembly asm = Assembly.GetExecutingAssembly();
bmpSplash = new Bitmap(asm.GetManifestResourceStream(asm.GetName() .Name + ".splash.jpg"));
bmpAnim = new Bitmap(asm.GetManifestResourceStream(asm.GetName() .Name + ".animation.bmp"));
//
// Required for Windows Form Designer support
//
InitializeComponent();
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.Load += new System.EventHandler(this.SplashForm_Load);
}
#endregion
/// <summary>
/// Return the amount of time the splash screen has been displayed in
/// milliseconds. This is based on the number of times the timer has
/// triggered and the interval of the timer. This is not completely
/// accurate but good enough for the purposes of this function.
/// </summary>
/// <returns></returns>
public int GetUpMilliseconds()
{
return numUpdates * timerInterval_ms;
}
/// <summary>
/// The form is ready to be displayed so initialize all of the
/// splash screen data and draw the first frame.
/// </summary>
/// <param name="sender">Sending object</param>
/// <param name="e">Event arguments</param>
private void SplashForm_Load(object sender, System.EventArgs e)
{
// Make the form full screen
this.Text = "";
this.MaximizeBox = false;
this.MinimizeBox = false;
this.ControlBox = false;
this.FormBorderStyle = FormBorderStyle.None;
this.WindowState = FormWindowState.Maximized;
this.Menu = null;
// Center the splash screen background
splashRegion.X = (Screen.PrimaryScreen.Bounds.Width - bmpSplash.Width) / 2;
splashRegion.Y = (Screen.PrimaryScreen.Bounds.Height - bmpSplash.Height) / 2;
splashRegion.Width = bmpSplash.Width;
splashRegion.Height = bmpSplash.Height;
// Set up the rectangle from which the background will be drawn
splashSrc.X = 0;
splashSrc.Y = 0;
splashSrc.Width = bmpSplash.Width;
splashSrc.Height = bmpSplash.Height;
// Set up the destination region of the animatino draw
animPos.X = splashRegion.X - bmpAnim.Width / kNumAnimationCells;
animPos.Y = splashRegion.Y + splashRegion.Height - bmpAnim.Height;
animPos.Width = bmpAnim.Width / kNumAnimationCells;
animPos.Height = bmpAnim.Height;
// Initialize the draw region used to optimize animation updates
redrawSrc.Width = bmpAnim.Width / kNumAnimationCells;
redrawSrc.Height = bmpAnim.Height;
// Cache the transparent color
attr.SetColorKey(bmpAnim.GetPixel(0, 0), bmpAnim.GetPixel(0, 0));
// Create the graphics object and set its clipping region
g = CreateGraphics();
g.Clip = new Region(splashRegion);
// Draw the screen once with the full background update
// No need to use Application.DoEvents to force OnPaint.
Draw(true, false);
// Start a timer that will call Draw every 200 ms
System.Threading.TimerCallback splashDelegate = new System.Threading.TimerCallback(this.Draw);
this.splashTimer = new System.Threading.Timer(splashDelegate, null, timerInterval_ms, timerInterval_ms);
}
/// <summary>
/// If a paint event is generated then redraw the splash screen
/// </summary>
/// <param name="e"></param>
protected override void OnPaint(PaintEventArgs e)
{
Draw(true, false);
}
/// <summary>
/// Do not respond to paint background events
/// </summary>
/// <param name="e"></param>
protected override void OnPaintBackground(PaintEventArgs e) { }
/// <summary>
/// Kill this form
/// </summary>
/// <param name="o">Not used</param>
/// <param name="e">Not used</param>
public void KillMe(object o, EventArgs e)
{
// Stop the timer first so there are no racing issues
splashTimer.Dispose();
// Shut down the form
this.Close();
}
/// <summary>
/// Draw the screen. This is the callback for the timer
/// </summary>
/// <param name="state">Not used - timer data</param>
protected void Draw(Object state)
{
numUpdates++;
Draw(false, true);
}
/// <summary>
/// Draw the screen
/// </summary>
/// <param name="bFullImage">true if the entire background should be updated</param>
/// <param name="bUpdateAnim">true if the animation position and cell should be updated</param>
protected void Draw(bool bFullImage, bool bUpdateAnim)
{
if (g == null)
return;
// Make sure it is safe to access the form
lock (this)
{
// Draw the background
if (bFullImage)
{
g.DrawImage(bmpSplash, splashRegion, splashSrc, GraphicsUnit.Pixel);
}
else if (bUpdateAnim)
{
// If not drawing the full background then only upate the
// location of the animation
redrawSrc.X = animPos.X - splashRegion.X;
redrawSrc.Y = animPos.Y - splashRegion.Y;
g.DrawImage(bmpSplash, animPos, redrawSrc, GraphicsUnit.Pixel);
}
if (bUpdateAnim)
{
// Update the current animation cell
curAnimCell++;
if (curAnimCell >= kNumAnimationCells)
curAnimCell = 0;
// Move the animation (yes hard-coded for the example)
animPos.X += 5;
if (animPos.X > splashRegion.X + splashRegion.Width)
animPos.X = splashRegion.X - bmpAnim.Width / kNumAnimationCells;
}
// Draw the animation
g.DrawImage(bmpAnim, animPos, curAnimCell * bmpAnim.Width / kNumAnimationCells, 0, bmpAnim.Width / kNumAnimationCells, bmpAnim.Height, GraphicsUnit.Pixel, attr);
}
}
}
موقع اجرای کد های زیر برنامه خطای +a generic error occurred in gdi رو میده برای g.DrawImage(bmpSplash, animPos, redrawSrc, GraphicsUnit.Pixel);
ممنون میشم کمکم کنید
/// <summary>
/// A hack constant specifying how many cells the animation has
/// </summary>
const int kNumAnimationCells = 8;
/// <summary>
/// Splash screen background bitmap
/// </summary>
Bitmap bmpSplash = null;
/// <summary>
/// Splash screen animation bitmap
/// </summary>
Bitmap bmpAnim = null;
/// <summary>
/// Current screen position of the animation
/// </summary>
Rectangle animPos = new Rectangle(0, 0, 0, 0);
/// <summary>
/// Graphics object used to render splash screen.
/// Cached for performance.
/// </summary>
Graphics g = null;
/// <summary>
/// The region of the screen filled by the background.
/// Cached for performance.
/// </summary>
Rectangle splashRegion = new Rectangle(0, 0, 0, 0);
/// <summary>
/// The source region of the background draw.
/// Cached for performance.
/// </summary>
Rectangle splashSrc = new Rectangle(0, 0, 0, 0);
/// <summary>
/// Image attributes specifying transperancy color.
/// Cached for performance.
/// </summary>
ImageAttributes attr = new ImageAttributes();
/// <summary>
/// Timer used to update the screen at regular intervals.
/// </summary>
System.Threading.Timer splashTimer = null;
/// <summary>
/// Source region for redrawing the background.
/// Cached for performance.
/// </summary>
Rectangle redrawSrc = new Rectangle(0, 0, 0, 0);
/// <summary>
/// Current cell being displayed in the animation.
/// </summary>
int curAnimCell = 0;
/// <summary>
/// The number of updates that the splash screen timer triggered.
/// </summary>
int numUpdates = 0;
/// <summary>
/// Time between screen updates (ms)
/// </summary>
int timerInterval_ms = 0;
/// <summary>
/// Constructor for the splash screen form. Creates the background
/// and animation Bitmap objects
/// </summary>
/// <param name="timerInterval">Length of time between screen updates (ms)</param>
public SplashForm(int timerInterval)
{
// Store the timer interval
timerInterval_ms = timerInterval;
// Load the embedded splash image resources
Assembly asm = Assembly.GetExecutingAssembly();
bmpSplash = new Bitmap(asm.GetManifestResourceStream(asm.GetName() .Name + ".splash.jpg"));
bmpAnim = new Bitmap(asm.GetManifestResourceStream(asm.GetName() .Name + ".animation.bmp"));
//
// Required for Windows Form Designer support
//
InitializeComponent();
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.Load += new System.EventHandler(this.SplashForm_Load);
}
#endregion
/// <summary>
/// Return the amount of time the splash screen has been displayed in
/// milliseconds. This is based on the number of times the timer has
/// triggered and the interval of the timer. This is not completely
/// accurate but good enough for the purposes of this function.
/// </summary>
/// <returns></returns>
public int GetUpMilliseconds()
{
return numUpdates * timerInterval_ms;
}
/// <summary>
/// The form is ready to be displayed so initialize all of the
/// splash screen data and draw the first frame.
/// </summary>
/// <param name="sender">Sending object</param>
/// <param name="e">Event arguments</param>
private void SplashForm_Load(object sender, System.EventArgs e)
{
// Make the form full screen
this.Text = "";
this.MaximizeBox = false;
this.MinimizeBox = false;
this.ControlBox = false;
this.FormBorderStyle = FormBorderStyle.None;
this.WindowState = FormWindowState.Maximized;
this.Menu = null;
// Center the splash screen background
splashRegion.X = (Screen.PrimaryScreen.Bounds.Width - bmpSplash.Width) / 2;
splashRegion.Y = (Screen.PrimaryScreen.Bounds.Height - bmpSplash.Height) / 2;
splashRegion.Width = bmpSplash.Width;
splashRegion.Height = bmpSplash.Height;
// Set up the rectangle from which the background will be drawn
splashSrc.X = 0;
splashSrc.Y = 0;
splashSrc.Width = bmpSplash.Width;
splashSrc.Height = bmpSplash.Height;
// Set up the destination region of the animatino draw
animPos.X = splashRegion.X - bmpAnim.Width / kNumAnimationCells;
animPos.Y = splashRegion.Y + splashRegion.Height - bmpAnim.Height;
animPos.Width = bmpAnim.Width / kNumAnimationCells;
animPos.Height = bmpAnim.Height;
// Initialize the draw region used to optimize animation updates
redrawSrc.Width = bmpAnim.Width / kNumAnimationCells;
redrawSrc.Height = bmpAnim.Height;
// Cache the transparent color
attr.SetColorKey(bmpAnim.GetPixel(0, 0), bmpAnim.GetPixel(0, 0));
// Create the graphics object and set its clipping region
g = CreateGraphics();
g.Clip = new Region(splashRegion);
// Draw the screen once with the full background update
// No need to use Application.DoEvents to force OnPaint.
Draw(true, false);
// Start a timer that will call Draw every 200 ms
System.Threading.TimerCallback splashDelegate = new System.Threading.TimerCallback(this.Draw);
this.splashTimer = new System.Threading.Timer(splashDelegate, null, timerInterval_ms, timerInterval_ms);
}
/// <summary>
/// If a paint event is generated then redraw the splash screen
/// </summary>
/// <param name="e"></param>
protected override void OnPaint(PaintEventArgs e)
{
Draw(true, false);
}
/// <summary>
/// Do not respond to paint background events
/// </summary>
/// <param name="e"></param>
protected override void OnPaintBackground(PaintEventArgs e) { }
/// <summary>
/// Kill this form
/// </summary>
/// <param name="o">Not used</param>
/// <param name="e">Not used</param>
public void KillMe(object o, EventArgs e)
{
// Stop the timer first so there are no racing issues
splashTimer.Dispose();
// Shut down the form
this.Close();
}
/// <summary>
/// Draw the screen. This is the callback for the timer
/// </summary>
/// <param name="state">Not used - timer data</param>
protected void Draw(Object state)
{
numUpdates++;
Draw(false, true);
}
/// <summary>
/// Draw the screen
/// </summary>
/// <param name="bFullImage">true if the entire background should be updated</param>
/// <param name="bUpdateAnim">true if the animation position and cell should be updated</param>
protected void Draw(bool bFullImage, bool bUpdateAnim)
{
if (g == null)
return;
// Make sure it is safe to access the form
lock (this)
{
// Draw the background
if (bFullImage)
{
g.DrawImage(bmpSplash, splashRegion, splashSrc, GraphicsUnit.Pixel);
}
else if (bUpdateAnim)
{
// If not drawing the full background then only upate the
// location of the animation
redrawSrc.X = animPos.X - splashRegion.X;
redrawSrc.Y = animPos.Y - splashRegion.Y;
g.DrawImage(bmpSplash, animPos, redrawSrc, GraphicsUnit.Pixel);
}
if (bUpdateAnim)
{
// Update the current animation cell
curAnimCell++;
if (curAnimCell >= kNumAnimationCells)
curAnimCell = 0;
// Move the animation (yes hard-coded for the example)
animPos.X += 5;
if (animPos.X > splashRegion.X + splashRegion.Width)
animPos.X = splashRegion.X - bmpAnim.Width / kNumAnimationCells;
}
// Draw the animation
g.DrawImage(bmpAnim, animPos, curAnimCell * bmpAnim.Width / kNumAnimationCells, 0, bmpAnim.Width / kNumAnimationCells, bmpAnim.Height, GraphicsUnit.Pixel, attr);
}
}
}