gdi programming with c sharp phần 8 ppsx

... e) { // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create a rectangle Rectangle rect = new Rectangle(20, 20, 100, 100); // Create a solid brush ... objects. Listing 10. 18 Using ColorMatrix to translate colors private void TranslationMenu_Click(object sender, System.EventArgs e) { // Create a Graphics object Graphics g = this.CreateGra...

Ngày tải lên: 12/08/2014, 19:20

... properties: ClipRectangle and Graphics.ClipRectangle indicates the rectangle in which to paint, and the Graphics property indicates the Graphics object associated with the paint event of a particular control ... draw Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create a Bitmap object with the size of the form Bitmap curBitmap = new Bitmap(ClientRectangle.Width, ClientR...

Ngày tải lên: 12/08/2014, 19:20

... 376 Table 8. 8:ColorAdjustType members 3 78 Table 8. 9:The clear methods of ImageAttributes 383 Table 8. 10:Encoder fields 386 Table 8. 11:EncoderParameter properties 387 Table 8. 12:ImageCodecInfo properties ... Section 5.1. Accessing the Graphics Object Section 5.2. Working with Colors Section 5.3. Working with Fonts Section 5.4. Working with Text and Strings Secti...

Ngày tải lên: 12/08/2014, 19:20

... rectangle. Intersect Replaces a rectangle with the intersection of itself and another rectangle. IntersectsWith Determines if a specified rectangle intersects with rect. Offset Adjusts the location of a specified ... Point objects. You can test this code on a button or a menu click event handler. Listing 2.9 Creating RectangleF objects // Create a Graphics object Graphics g = this.Create...

Ngày tải lên: 12/08/2014, 19:20

... (rect, startColor, endColor, mode); } // Gamma correction check box is checked if(checkBox1.Checked) { lgBrush.GammaCorrection = true; } // Fill rectangle g.FillRectangle(lgBrush, rect); ... this class. Alternatively, an application can refer to the HatchBrush class as System.Drawing.Drawing2D.HatchBrush. public HatchBrush(HatchStyle, Color); public HatchBrush(HatchStyle, Color, Colo...

Ngày tải lên: 12/08/2014, 19:20

... color AppWorkspace Multiple-document interface (MDI) workspace background color Control Control background color ControlDark 3D control shadow color ControlDarkDark 3D control dark shadow color ControlLight 3D ... active caption, and control dark system colors, respectively. textBox1.BackColor = SystemColors.InactiveBorder; radioButton1.BackColor = SystemColors.ActiveCaption; button1.BackColo...

Ngày tải lên: 12/08/2014, 19:20

... TranslateClip to translate a region // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create a RectangleF rectangle RectangleF rect1 = new RectangleF(20.0f, ... item click event handlers private void CircleMenu_Click(object sender, System.EventArgs e) { // Create a rectangle Rectangle rect = new Rectangle(50, 0, 300, 300); // Create a Shape objec...

Ngày tải lên: 12/08/2014, 19:20

... System.EventArgs e) { // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create two colors Color lClr = Color.FromArgb(245,0,0); Color uClr = Color.FromArgb(255,0,0); ... PlayRecordCallback callbackData ); GDI/ GDI+ Record Each metafile record describes a command that is capable of drawing, filling, or changing the graphics state of a surface....

Ngày tải lên: 12/08/2014, 19:20

... void GammaCorrectionMenu_Click( object sender, System.EventArgs e) { Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create a rectangle Rectangle rect = new Rectangle(20, ... System.EventArgs e) { // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create a GraphicsPath object GraphicsPath path = new GraphicsPath(); // Create...

Ngày tải lên: 12/08/2014, 19:20

... HatchBrush(HatchStyle.Cross, Color.Red, Color.Yellow); // Create a Bitmap object Bitmap curBitmap = new Bitmap(200, 200); // Create a Graphics object from Bitmap Graphics g = Graphics.FromImage(curBitmap); ... derived classes: PreviewPrintController, StandardPrintController, and PrintControllerWithStatusDialog. PrintController and its derived classes are shown schematically in Figure 1...

Ngày tải lên: 12/08/2014, 19:20