scratchpad drawing

; Examples of array definitions for index datavar index = [ 0, 1, 2, 1, 2, 3];With four vertices, like the one above, the first triangle uses vertices [0, 1, 2], and the second triangle uses vertices [1, 2, 3] to draw the meaning. The index of the vertex is starting at 0, and it is important to note that the array is a one-dimensional array.drawing-related change points Learn about the generation of index caches, and then take a look at the steps used for index caching. Using IBO for rende

To the users of the illustrator software for detailed analysis to share the drawing of the portrait of the tutorial. Tutorial Sharing: 1 to the patience of the painting grid, should be the description of the grid in the first place, because the grid is the foundation. 2 The nose on the original face to draw a favorable connection with the face 3 Certain facial features 4 Preliminary e

Drawing with the Turtle module in python Introduction: Turtle is a simple drawing tool. It provides a turtle that you can interpret as a robot, only to understand the limited instructions. 1. Write the following line in the header of the file, which allows us to insert Chinese in the statement #-*-Coding:utf-8-*- 2. Import Turtle Library with import turtle 3. The origin of the

1. Use Matlab as a closed polygon drawing Instead of finding a function that directly draws a polygon, you can only save the coordinates of each point in an array, connect a point to its adjacent point, and attach the last point to the first point. The following is an example of the. m File: Copy Code code as follows: Clear CLC A=[0 2 4 6 8 10 12 14;0 2 1 4 6 6 5 7]; % the point coordinates to be connected x;y [N,m]=size (a);

Come near VB.net (vii) drawing on a form If you read some articles you must know that drawing on a form to use the System.Drawing class, there is no line and label control in the vb.net, you need to write some code, First, write an event procedure OnPaint. Display a graphic while displaying a form Protected Overrides Sub OnPaint (ByVal e as PaintEventArgs) ' TODO: Please add the

Premise: For the EA This software again slowly use still familiar with a little, write some of my understanding. Content: I. Creating a Project 1.create a new project, whose name is based on its own needs, generates an. eap file. 2. Next is the selection model, which can then be changed so don't worry too much. 3. After selecting the model, you can see from the project browser that there is a newly selected model under a module. 4. Next create a new package file under the model, a m

One, drawing pathA. Brief descriptionWhen you draw a line, the inside of the method creates a path by default. It puts the paths in the path. 1. Create a path Cgmutablepathref calling this method is equivalent to creating a path that holds the drawing information. 2. Add the drawing information inside the path. The previous method is to add the point location to

the beginner of canvas drawingThe little woman is ready to make canvas drawings into junior, intermediate and advanced articles to introduce, readers do not worry oh.Beginner's articleA. First of all, what is canvas? Canvas is a label provided by HTML5 to show the drawing effect. Canvas Original, SailCloth. Used in HTML pages to show drawing effects. The first canvas was an Apple proposal that was implement

Double Buffer drawingAuthor: Unknown category: VC/VC. Net Date: 20:51:47There are many questions about how to avoid flickering and how to improve the display efficiency. Most people think that the efficiency of the MFC plot function is very low, and they always want to seek other solutions.The drawing efficiency of MFC is indeed not high, but it is not bad, and its drawing function is very simple to use, as

what is the drawing context (Rendering contexts)Beginner OpenGL, open Red Book, will tell you that OpenGL is a state machine, OpenGL uses the client-server model, then felt good abstraction, until later understand the drawing context to connect these. We can assume that each hardware GPU is a server, each drawing context corresponds to a client of the request, a

Prepare stickersTo draw a static map on the screen, you need to use the Gui.drawtexture () method, which can set the display position of the picture, scale and rendering mix, etc./ * Rect Position: Represents the drawing area of a picture * Texture Image: The object that represents the drawing picture * ScaleMode ScaleMode: The zoom mode for the picture * B

When we use Word to make some papers or books, the most use is horizontal and underline. Although this is a humble small operation, but for some people who do not use Word is more difficult. The first horizontal line in Word: Use the "U" Underline method: Click "U" on the word interface, and then press the space bar on the keyboard how long it takes to press the number of spaces, the length of their own master. The second way to draw horizontal lines in Word: make a horizontal line with a

In PS, drawing tools are used to draw lines, ropes, flowers, and, on the other hand, to color or mix colors on the area. Proficiency in drawing tools is a necessary step for every designer. Brush tool The enemy, win. Similarly, in order to master the Brush tool in a comprehensive way, you must first understand what the brush tool in PS is. The brush tool uses a preset brush in brush presets, whi

1, open Microsoft Office Word 2003 software, the interface as shown in the picture, I believe that everyone is familiar with this version of the interface menu. 2. Before drawing, you should first remove its background canvas. Click Options under the Tools menu to open the window shown in the picture. 3, switch to the "General" tab, remove the Check button as shown in the picture, when inserting AutoShapes, do not need canvas

Typical drawing process for 1.1.1 applications We know that Bufferqueue has up to 32 bufferslot, so what is the purpose of this design? One possible reason is to improve graphics rendering speed. Because if there are only two buffers, imagine that when the output efficiency of the application producer is greater than the processing speed of the consumer, it will soon dequeue the buffer and be in the waiting state, causing unnecessary trouble. Of cour