System.Drawing − :
() − Point PointF
− Size SizeF
− Rectangle RectangleF.
F , , ( F), , (float).
Size
Size , , Width Height, , . Size, :
Size sz = new Size();
Width Height .
, , :
sz.Width = 40;
sz.Height = 60;
:
public Size(int, int);
public Size(Point);
, , -:
Size sz1= new Size(10,20); // sz1.Width = 10, sz1.Height = 20 Size sz2 = new Size(15,50); // sz2.Width = 15, sz2.Height = 50
Point
Point X Y , , , .
pt :
Point pt = new Point();
X Y.
, , :
pt.X =25;
pt.Y=75;
Point, ,
:
public Point(Size);
public Point(int, int);
:
Point pt1 = new Point(10,20); // pt1.X =10, pt1.Y=20
Size sz = new Size(27,45);
Point pt2 = new Point(sz); // pt2.X=27, pt2.Y=45
:
public void Offset( int dx, int dy ); :X=X+dx Y=Y+dy;
Rectangle
. , , , , .
:
public Rectangle(
int x, // x-
int y, // y-
int width, //
int height //
);
public Rectangle(
Point location, //
Size size //
);
:
Point pt = new Point(10,15);
Size sz = new Size (50,70);
Rectangle rct = new Rectangle(pt,sz);
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Rectangle rect = new Rectangle(20,20,50,30);
Rectangle . .
:
public void Intersect(Rectangle);
, , . , .
:
Rectangle rect,rct;
rect = new Rectangle(20,25,50,55);
rct = new Rectangle(10,10,30,40);
rect.Intersect(rct);
, rect :
X=20, Y=25, Width=20, Height=25.
:
public static Rectangle Union(Rectangle a, Rectangle b);
, , a b.
public void Offset(Point pos) public void Offset(int x, int y) , .
System.Drawing.Color.
:
public static Color.FromArgb(int red, int green, int blue);
red, green blue , . 0 255. 224 .
FromArgb:
public static Color FromArgb(int alpha, Color cr);
public static Color FromArgb(int alpha, int red, int green, int blue);
alpha . , . alpha 0 255. 0 (), 255 − () .
Color 200 , . , , − , WEB .
:
Color clr2 = Color.Beige; //
Color clr3 = Color.Magenta; //
Color clr4 = Color.Orange; //
.
System.Drawing.SolidBrush, :
Brush br2 = new SolidBrush(Color.Magenta);
Brush br3 = new SolidBrush(Color.FromArgb(200,10,120));
color public SolidBrush(Color color)
SolidBrush .
System.Drawing.Brushes , . :
Brush brr = Brushes.Orange;
System.Drawing.Drawing2D.HatchBrush .
:
public HatchBrush(HatchStyle hatchstyle, Color foreColor, Color backColor);
public HatchBrush(HatchStyle hatchstyle, Color foreColor);
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:
foreColor − ;
backColor − ( − );
hatchstyle − .
, :
Cross − ;
DiagonalCross − ;
Horizontal − ;
Vertical − .
, :
Brush br1 = new HatchBrush(HatchStyle.Vertical,Color.Blue,Color.Beige);
System.Drawing.Pen.
:
public Pen(Color color);
public Pen(Color color, float width);
public Pen(Brush brush);
public Pen(Brush brush, float width);
:
color − ;
width − ;
brush −.
:
Pen pn = new Pen(Color. Magenta);
Pen pn1 = new Pen(Color.Orange,5);
Pen pn2 = new Pen(Brushes.Orange);
Pen pn3 = new Pen(Brushes.Magenta,10);
Pen pn4 = new Pen(Color.FromArgb(125,155, 0));
Pen pn5 = new Pen(Color.FromArgb(25,155,200),10);
System.Drawing.Pens , . :
Pen pn6 = Pens.Brown;
Pen pn7 = Pens.Magenta;
.
.NET () System.Drawing.Graphics. Graphics CreateGraphics(), Graphics:
Graphics dc = CreateGraphics();
dc , .
Graphics , . .
:
public void DrawRectangle(Pen pen, Rectangle rect);
public void DrawRectangle(Pen pen, int x, int y, int width, int height);
public void DrawRectangle(Pen pen, float x, float y, float width, float height);
:
public void DrawEllipse (Pen pen, Rectangle rect);
public void DrawEllipse (Pen pen, int x, int y, int width, int height);
public void DrawEllipse (Pen pen, float x, float y, float width, float height);
:
public void FillEllipse(Brush brush, Rectangle rect);
public void FillEllipse(Brush brush, int x, int y, int width, int height);
public void FillEllipse(Brush brush, float x, float y, float width, float height);
public void FillRectangle(Brush brush, Rectangle rect);
public void FillRectangle(Brush brush, int x, int y, int width, int height);
public void FillRectangle(Brush brush, float x, float y, float width, float height);
:
pen − ;
brush − ;
rect − ;
− ;
y − ;
width − ;
height − ;
:
public void DrawLine(Pen pen, Point pt1, Point pt2);
public void DrawLine(Pen pen, PointF pt1, PointF pt2);
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public void DrawLine(Pen pen, int x1, int y1, int x2, int y2);
public void DrawLine(Pen pen, float x1, float y1, float x2, float y2);
:
pen − ;
pt1 − ;
pt2 − ;
1 1 − ;
2 2 − ;
:
dc.DrawRectangle(Pens.OrangeRed,5,10,25,45);
dc.DrawEllipse(Pens.Magenta,100,125,20,15);
dc.FillEllipse(Brushes.BlueViolet,45,50,20,15);
dc.DrawLine(Pens.Green,20,40,60,70);
DrawString. DrawString:
public void DrawString(string s, Font fnt, Brush br, PointF pt);
public void DrawString(string s, Font fnt, Brush br, RectangleF ltRct);
:
s ,
fnt ,
br ,
pt , ,
ltRct , , , () .
:
Font fnt = new Font("Arial",10); // Arial, 10
dc.DrawString("!",fnt, Brushes.Green,10,20);
1. , , .
Windows Application. MouseDown, . - , :
private void Form1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
Graphics dc = CreateGraphics();
Font fnt = new Font("Coyrier",10);
if(e.Button.ToString()== "Left")
{
dc.DrawRectangle(Pens.OrangeRed,e.X,e.Y,15,15);
dc.DrawString("X="+e.X.ToString()+" Y="+e.Y.ToString(),fnt,Brushes.Green,e.X,e.Y+20);
}
if(e.Button.ToString()== "Right")
{
dc.DrawEllipse(Pens.Magenta,e.X,e.Y,20,15);
dc.FillEllipse(Brushes.Blue,e.X,e.Y,20,15);
}
}
. .
