how to draw rectangle in javascript

useBOOL CreatePen (Ps_dash,1,rgb (255,0,0));You can also use constructorsCPen (Npenstyle,nwidth,crcolor)Create a brush-----the inside of a drawing to fill so that only the closed graphic is validThe default brush is white, so when you draw a rectangle, such as closed graphics, the internal use of the default white brush fill, it will not appear to fill the colorPainting brush is divided into 1, solid brush

Javascript implements the method of drawing a color-filled rectangle through a table, javascript rectangle This example describes how to use javascript to draw a color-filled rectangle

Comments: This article describes how to draw Rectangles and circles in a canvas. They are basic images. Of course, there are more than basic graphics, but in canvas, only rectangular and circular shapes do not need to be simulated using other methods, interested friends can understand how to draw Rectangles and circles in the canvas. They are basic images. Of course, there are more than basic graphics, but

OpenglES2.0 for Android: Draw a rectangle.in the previous section we drew a triangle, and we completed the rectangle drawing on the basis of the previous section. OK, start doing it, first create a new class--square (Square.java) under the shape directory in the previous section of the project, and then define the coordinates of the four vertices of the rectangle

Draw a rectangle for HTML5 canvas Basic Drawing, html5canvas It is just a container for drawing graphics. In addition to attributes such as id, class, and style, there are also attributes of height and width. There are three steps to draw an element on the 1. Obtain the DOM object corresponding to the 2. Call the getContext () method of the Canvas object to obta

You can use the rectangle drawing function of the drawing environment to draw a rectangle fillRect to draw a solid rectangle, strokeRect to draw a hollow rectangle, and clearRect to cle

[Function description] This method is used to draw a rounded rectangle on the canvas by specifying the rectf object and the radius of the rounded corner. This method is the main method to draw a rounded rectangle. You can also set the hollow effect of the paint brush to draw

The example in this article describes how PHP draws a rectangle. Share to everyone for your reference. The implementation methods are as follows: Copy Code code as follows: 1. Create Canvas $im = Imagecreatetruecolor (300,200);//Create a new true color image, the default background is black, and return the image identifier. Another function, imagecreate, is deprecated. 2, to draw the desired image

);Cgcontextsetrgbstrokecolor (context, 0.6, 0.9, 0, 1.0);Cgcontextsetlinewidth (context, 3.0);Cgcontextsetfillcolorwithcolor (context, acolor.cgcolor);Cgcontextaddrect (context, rect); RectangularCgcontextaddellipseinrect (context, arect); EllipticCgcontextdrawpath (context, kcgpathstroke);*/ /* No.11Draw a solid circle Cgcontextfillellipseinrect (Context, CGRectMake (95, 95, 100.0, 100));*/ /*no.12Draw a DiamondCgcontextsetlinewidth (context, 2.0);Cgcontextsetstrokecolorwithcolor (context,

This section describes how to dynamically draw rectangular frames in Sivlerlight. This technique allows you to customize rectangular frames. The key to this technique is to use its events in a Canvas to draw a rectangle. Note that Canvas is used here because Canvas. Top and Canvas. Left are a good method for locating. When a user wants to dynamically

Import Java.awt.Cursor;Import Java.awt.Graphics;Import Java.awt.Graphics2D;Import Java.awt.Point;Import Java.awt.event.MouseAdapter;Import java.awt.event.MouseEvent;Import Java.awt.event.MouseMotionListener;Import Java.awt.geom.Point2D;Import Java.awt.geom.Rectangle2D;Import java.awt.geom.Rectangle2D.Double;Import java.util.ArrayList;Import javax.swing.JComponent;public class Mousecomponent extends JComponent {private static final int sidelength = 10;Private arraylistPrivate Rectangle2D current;