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PhilipKalogero
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Μέλος από τις 11-06-2004
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Νέα Σμύρνη - Αθήνα
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Δημοσιεύσεις 14
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Gradient Waiting Bar Control (C# Source)
Source κώδικας για το πολύ όμορφο και "μοδάτο" Waiting Bar Control που βρήκα κάπου...Source κώδικας C#
(αυτό το μπλε είναι, κάτω κάτω, το οποίο κάνει animate)
// // This control is Gradient Waiting Bar. // using System; using System.Windows.Forms; using System.Drawing; using System.Drawing.Drawing2D; using System.Diagnostics; namespace KDHLib.Controls { public class GradientWaitingBar : System.Windows.Forms.Control { public GradientWaitingBar() { // Set the control styles this.SetStyle(ControlStyles.AllPaintingInWmPaint, true); this.SetStyle(ControlStyles.DoubleBuffer, true); this.SetStyle(ControlStyles.SupportsTransparentBackColor, true); this.SetStyle(ControlStyles.UserPaint, true); this.SetStyle(ControlStyles.ResizeRedraw, true); // Set the default size of this control this.Left = 0; this.Top = 0; this.Width = DEF_WIDTH; this.Height = DEF_HEIGHT; InitializeComponent(); this.m_timer.Enabled = this.Enabled; m_col1 = Color.White; m_col2 = Color.Blue; this.BackColor = m_col1; // Make a gradient Bitmap MakeBitmapForWaitingBar(); } private void InitializeComponent() { this.components = new System.ComponentModel.Container(); this.m_timer = new System.Windows.Forms.Timer(this.components); this.m_timer.Tick += new System.EventHandler(this.m_timer_Tick); this.m_timer.Interval = 10; } #region "Variables" const int DEF_WIDTH = 50; const int DEF_HEIGHT = 18; private System.Windows.Forms.Timer m_timer; private System.ComponentModel.IContainer components; private System.Drawing.Color m_col1, m_col2; private System.Drawing.Bitmap m_bitmap = null; private int xloc = 0; private int m_nSpeed = 5; private SCROLLGRADIENTALIGN m_nScrollway = SCROLLGRADIENTALIGN.HORIZONTAL; // enum variable of align this control public enum SCROLLGRADIENTALIGN { HORIZONTAL = 0, VERTICAL }; #endregion #region "Properties" // property of timer [System.ComponentModel.Description("Gets or sets the Interval of timer tick count for Speed of GradientWaitingBar"), System.ComponentModel.Category("Behavior")] public int Interval { get { return m_timer.Interval; } set { m_timer.Interval = value; } } // property of speed in scrolling. [System.ComponentModel.Description("Gets or sets the speed of gradient for GradientWaitingBar"), System.ComponentModel.Category("Behavior")] public int Speed { get { return m_nSpeed; } set { m_nSpeed = value; } } // property of begin color in linear gradient [System.ComponentModel.Description("Gets or sets the starting color of the gradient for GradientWaitingBar"), System.ComponentModel.Category("Appearance")] public Color GradientColor1 { get { return m_col1; } set { m_col1 = value; MakeBitmapForWaitingBar(); } } // property of end color in linear gradient [System.ComponentModel.Description("Gets or sets the ending color of the gradient for GradientWaitingBar"), System.ComponentModel.Category("Appearance")] public Color GradientColor2 { get { return m_col2; } set { m_col2 = value; MakeBitmapForWaitingBar(); } } // property of scrolling direction in control [System.ComponentModel.Description("Gets or sets the direction of scrolling the gradient"), System.ComponentModel.Category("Appearance")] public SCROLLGRADIENTALIGN ScrollWAY { get { return m_nScrollway; } set { m_nScrollway = value; MakeBitmapForWaitingBar(); } } #endregion #region "Override Functions" // if control is disabled, we do not display the gradient. protected override void OnEnabledChanged(EventArgs e) { m_timer.Enabled = this.Enabled; base.OnEnabledChanged (e); } // On Size changed, we make a new bitmap of current size protected override void OnSizeChanged(EventArgs e) { MakeBitmapForWaitingBar(); base.OnSizeChanged (e); } // scroll the gradient bitmap protected override void OnPaint(PaintEventArgs e) { if(m_bitmap != null) { Graphics g = e.Graphics; Rectangle rt2; rt2 = this.ClientRectangle; if(m_nScrollway == SCROLLGRADIENTALIGN.HORIZONTAL) { rt2.X = rt2.Width - xloc; rt2.Width = xloc; g.DrawImage(m_bitmap, xloc, 0, this.ClientRectangle, GraphicsUnit.Pixel); g.DrawImage(m_bitmap, 0, 0, rt2, GraphicsUnit.Pixel); } else { rt2.Y = rt2.Height - xloc; rt2.Height = xloc; g.DrawImage(m_bitmap, 0, xloc, this.ClientRectangle, GraphicsUnit.Pixel); g.DrawImage(m_bitmap, 0, 0, rt2, GraphicsUnit.Pixel); } } base.OnPaint (e); } #endregion private void m_timer_Tick(object sender, System.EventArgs e) { xloc += m_nSpeed; if(m_nScrollway == SCROLLGRADIENTALIGN.HORIZONTAL) { if(xloc > this.ClientSize.Width) xloc = 0; } else { if(xloc > this.ClientSize.Height) xloc = 0; } Invalidate(); } // // Make a Gradient Bitmap // For performance, on sizing and changed Properties first makes a suitable bitmap image of gradient // and then On paint this control uses it. // private void MakeBitmapForWaitingBar() { //check the windows size if(this.ClientRectangle.Width == 0 || this.ClientRectangle.Height == 0) return; if(m_bitmap != null) m_bitmap.Dispose(); Graphics gimage = null, gWnd = null; Brush br1, br2; Rectangle rt1, rt2; // Get temporary DC and make a compatible bitmap with current Windows. gWnd = Graphics.FromHwnd( this.Handle); m_bitmap = new Bitmap(this.ClientRectangle.Width, this.ClientRectangle.Height, gWnd); gWnd.Dispose(); if(m_nScrollway == SCROLLGRADIENTALIGN.HORIZONTAL) { rt1 = this.ClientRectangle; rt1.Width = this.ClientRectangle.Width/2+1; rt2 = rt1; rt2.X = this.ClientRectangle.Width/2; rt2.Width = this.ClientRectangle.Width/2+1; br1 = new LinearGradientBrush(rt1, m_col1, m_col2, LinearGradientMode.Horizontal); br2 = new LinearGradientBrush(rt2, m_col2, m_col1, LinearGradientMode.Horizontal); } else { rt1 = this.ClientRectangle; rt1.Height = this.ClientRectangle.Height/2 + 1; rt2 = rt1; rt2.Y = this.ClientRectangle.Height / 2; rt2.Height = this.ClientRectangle.Height/2 + 1; br1 = new LinearGradientBrush(rt1, m_col1, m_col2, LinearGradientMode.Vertical); br2 = new LinearGradientBrush(rt2, m_col2, m_col1, LinearGradientMode.Vertical); } // make a new bitmap gimage = Graphics.FromImage(m_bitmap); gimage.FillRectangle(br2, rt2); gimage.FillRectangle(br1, rt1); gimage.Dispose(); } } }
Philippos Kalogeropoulos M.C.P.
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