how to draw pfd

This is a creation in Article, where the information may have evolved or changed. The draw package provides a way to create a picture, or a drawing method. How to use it simply import the response package to "import Image/draw" Func Draw (DST image, R image. Rectangle, src image. Image, SP image. Point, Op op) Draw is

Canvas learning Summary 3: Draw a path-line segment and canvas Line Segment In the Canvas drawing environment, some are the method for drawing images immediately, and some are based on paths. There are only two ways to draw a graph immediately: strokeRect () and fillRect (). Although strokezText () and fillText () are drawn immediately, the text is not a graph. Path-Based Rendering SystemMost rendering syst

Initializing objectsPrivate Paint mpaint;//Brush private int count;//Click the number of private Rect rect;//Rectangle public Counstomview (context context, AttributeSet attrs, int defstyle) {Super (context, attrs, defstyle);//initialization Brush mpaint = new Paint (); rect = new Rect (); setonclic Klistener (this);}1. Draw TextView. and set clickable. //Rendered text, canvas class In addition to the above can also depict text, parameter one is a st

This article mainly explains how to use the GD2 function to draw ry. First of all, we need to create an image. As we mentioned in the previous article, creating an image is the first step in all image operations. then, draw the outline of the image based on the coordinate point on the background, and finally output the image! Use the GD2 function to draw a geomet

Related articlesAndroid View System (i) Views coordinate systemAndroid View System (ii) six ways to implement view swipeAndroid View System (iii) property animationAndroid View System (iv) parsing from source code scrollerAndroid View System (v) the event distribution mechanism for resolving view from source codeAndroid View System (vi) parsing the composition of activity from the source codeAndroid View System (vii) The measure process for interpreting view from source codePrefaceIn the previou

In view:public void Draw (canvas canvas) {/*1. Draw the background background2. If necessary, save the canvas ' layers to prepare for fading if necessary, color fades before saving the canvas layer (that is, locking the original canvas content)3. Draw view's content drawing view4. Draw Children Drawing Sub View5. If ne

design process free from the design-style considerations. But the thumbnail is really more basic than the wireframe, in the design through the drawing of thumbnails, the expression of the design more materialized. But more importantly, the designer is willing to understand and use thumbnails. What is the meaning of thumbnails Thumbnails sound like simple strokes, and it's interesting to hear the first feeling of the name. However, the meaning of thumbnails is more in a short period of time,

Fireworks has a powerful vector drawing function, in the previous example, we use fireworks to draw Santa Claus, Kitty Kitty and dog desktop, today we will use it to draw a 2006 spring Festival send rooster to greet the dog cartoon desktop, in the Spring Festival will be the day, whether it is to give a friend such a new Year's greetings or own collection will make us very happy. The following is to explain

first, draw the pen 1. New file, size is 12cmx12cm, resolution is 72dpi. 2. Open the Paths (path) panel and rename the new Path1 to "pen". Using the Pen tool, draw the pen shape, as shown in Figure 1. 3. Activate the "pen" path, create a new layer, named "pen". Select the gradient (gradient) tool, set the linear (radial) gradient type, click the sample edit gradient, and set the gradient color from re

Android happy Snake Game Development tutorial-03 virtual direction key (2) Draw a triangle, android-03 Overview and directory of this series of tutorials: http://www.cnblogs.com/chengyujia/p/5787111.htmlI. Draw triangles In the previous article, we have created a custom ctionkeys class for the virtual arrow key. Next we will continue. In this project, the background of the virtual arrow key is a rectangle c

To the users of the illustrator software for detailed analysis to share a beautiful Christmas wreath of the tutorial. Tutorial Sharing: 1. Make a brush with a fir twig 1th Step First, let's think about what the FIR is like. A thin branch is surrounded by many slender needle-shaped fir leaves that look soft and hairy. In order not to let everyone draw leaves to draw bloo

HTML5 is the latest HTML standard. When I wrote this article, HTML5 is still developing. HTML5 not only provides new tag information, but also contains new application programming interfaces (APIS ), this allows us to provide more multimedia and interactive functions on the Web page without using proprietary plug-ins. In addition to these, the World Wide Web alliance has published other technologies, such as location, offline storage, and file management. After HTML5 is launched, the browser wil

Canvas learning Summary 3: Draw dotted lines and canvas dotted lines As mentioned in the previous chapter, linear path rendering mainly uses movoTo () and lineTo () methods. Of course, the Canvas 2D API also provides the dotted line rendering method, CanvasRenderingContext2D. setLineDash (); Next let's take a look at the method of drawing the dotted line. Syntax ctx.setLineDash(segments); Parameter segments: An Array. A set of numbers that describe t

Author: Ric Ewing Translator: chenlei5211 (flashmeng) In the past, Macromedia Flash had some limitations when you tried to depict some effects. In some complex applications, ActionScript restricted developers' creativity. Now, Macromedia Flash MX's built-in drawing tools are capable of almost all the painting tasks. When you work with ActionScript, the effect is astonishing.This article is explained in conjunction with the original file. when reading this article, it will be more advantageous f

The jQuery extension ImageDrawer. js allows you to dynamically draw image animations (with source code download ), ImageDrawer. js is a jQuery plug-in that allows you to dynamically draw image animations. By using the ImageDrawer. js plug-in, you can create a dynamic process for drawing images on the page. You can control the animation duration and other parameters, which is very interesting. Effect displa

I will give you a detailed analysis of the Illustrator software and share with you the tutorials on drawing the golden compass with the mouse.Tutorial sharing:1. Draw a positive circle and then make a radioactive gradient. The color is shown in the figure below:2. Draw two small strips in the same vertical line up and down the circle, the size and length must be the same, the color is the same as the gradie

Basic ideasThe previous article briefly describes the WebGL drawing line bug, an article that will cover work around to solve the problem.The last article at the end of a simple way to solve the idea is to use the triangle to simulate the line.For example, a line segment consisting of two endpoints is used when plotting line with only two endpoints specified, and if a segment is modeled by a triangle, at least two triangles are required, such as:Two triangle-Simulated segmentsTherefore, to

These two days learned to use path to draw Bezier curve related, and then do-it-yourself a similar QQ unread message can drag small bubbles, the effect is as follows: Final effect DiagramThe next step is to implement the entire process. Basic principle In fact, using path to draw three points of the two-time Bezier curve to complete the enchanting curve. Then the corresponding circle is drawn according

Here we use fireworks MX 2004来 to draw a picture of the QQ penguin, here is mainly familiar with the toolbox on the ellipse, selection, zoom and other tools to see how to draw a simple cartoon effect. 　　 Drawing process: (1) Create a new image of size 300x300, and then use the Ellipse tool on the toolbox to draw a 139x115 ellipse with a fill color of black,

command update UI handler code hereif (m_pencolor=1)Pcmdui->setcheck (Statu);//Select the menu to set 3 Boolean values}void Cxfview::onupdateblue (ccmdui* pcmdui){Todo:add your command update UI handler code hereif (m_pencolor=2)Pcmdui->setcheck (STATU1);}void Cxfview::onupdategreen (ccmdui* pcmdui){Todo:add your command update UI handler code hereif (m_pencolor=3)Pcmdui->setcheck (STATU2);}The command function writes the code:void Cxfview::onred (){//Todo:add your command handler code hereM_pe