Article Introduction：This time I will show you how to use canvas to make a useful graffiti drawing board. What are the precautions for using canvas to make a useful graffiti drawing board? Here is a practical case, let’s take a look. Get cursor coordinates in canvas

2018-03-12 comment 0  2588

Article Introduction：Canvas is a simple drawing board. It took a few hours to make a simple thing. It is just a preliminary demo at the moment. I will improve it when I have time.

2016-05-16 comment 0  1296

Article Introduction：I talked about some of the basic knowledge of canvasAPI before. Just looking at the introduction of the API is really boring. I need something that can stimulate my inner passion to motivate myself to learn, so I created a small example to accompany the learning of canvasAPI. In this way, through the API Knowledge, combined with the application of small examples, can better understand these properties and methods of canvas, and can also inspire your own inspiration and feelings to create canvas special effects. Well, please call me Lei Feng, you are welcome!

2017-06-19 comment 0  2576

Article Introduction：To make a drawing board, naturally use HTML5 canvas to achieve it. In canvas we can draw circles, rectangles, custom lines, etc. This time I mainly use drawing circles and lines to achieve it. Support response to touch events in html

2016-05-16 comment 0  1807

Article Introduction：Turtle Basics Turtle (Turtle) is an important package (built-in package) for drawing in Python. It contains a wealth of drawing tools and various drawing functions. After you learn to draw with Turtle, you can draw whatever you want. 1.1 Turtle drawing board Turtle's drawing board size can be set using turtle.screensize() function turtle.screensize(width,height,bg): Set the size of the drawing board, including length and width, width is width, height is height, bg Color the canvas 1.2 Turtle brush Turtle’s brush has several commonly used functions ① turtle.

2023-04-25 comment 0  2378

Article Introduction：Some friends want to change the canvas size after using PS to create a canvas, but they don’t know how to change the canvas size in PS. Below, I will give you a detailed introduction to how to change the canvas size in PS. If you are interested, you can take a look. one look. 1. Double-click to enter the software, click the "File" option in the upper left corner, and then click "New" in the list below to create a new drawing board. 2. Then click "Image" in the upper toolbar and select "Canvas Size" in the option list below. 3. In the window interface that opens, modify the width and height of the canvas according to your personal needs, and finally click "OK" in the upper right corner.

2024-01-13 comment 0  1132

Article Introduction：Method 1: Use the construction menu to open the drawing board, select the [Line Segment Tool] on the left sidebar to draw a line segment on the drawing board, use the [Move Tool] to select the line segment, and execute the [Construction] - [Midpoint] command. After executing the above command, you can see that the midpoint of the line segment has been found. This method can be used to quickly find the midpoint of the line, which is a quick way to draw the midpoint. Method 2: Use custom tools to draw the midpoint. Open the geometric sketchpad, click [Line Segment Ruler Tool] on the left menu bar, and use the mouse to draw a line segment on the canvas. Click [Data] on the menu bar - New parameter, fill in [2] in the dialog box that appears, and click the [OK] button to see the newly created parameter and select the bisector tool. Click [Customize Tools] on the left sidebar

2024-04-17 comment 0  823

Article Introduction：First, add custom tools to the geometry sketchpad so that you can draw lattice easily and quickly. 8-unit lattice Open the drawing board, click [Custom Tools] - [Other Tools] - [Lattice Tool (8unittool)] on the left sidebar, click on the canvas to determine a vertex of the lattice, Then move the mouse to determine the overall position and size of the point, and click the mouse. For the 16-unit lattice, click [Customize Tools] - [Other Tools] - Lattice Tool (16unittool) on the left sidebar, click on the canvas to determine a vertex of the lattice, and then move the mouse to determine the point. Position and size are just a click away. For 32-unit dot matrix, click [Customize Tools] - [Other Tools] - Dot Matrix in the left sidebar.

2024-04-17 comment 0  977

Article Introduction：1. First of all, after we open the software, find the file option in the upper left corner of the software interface and click it. After clicking, select New Drawing Board from the options that appear, as shown in the figure below. 2. After the new drawing board is created, find the tool for drawing a rectangle in the tool icon on the left side of the interface. After selecting it, first draw a rectangle on the drawing board, as shown in the figure below. 3. After drawing the rectangle, click the Select Shape Tool in the upper left corner of the interface, click the icon and select the shape option in the menu that appears, as shown in the figure below. [Insert picture reference] After selecting the rectangle option in the menu, you can select the shape option in the canvas, as shown in the figure below. 4. After selecting this shape tool, click any of the four corners in the drawn rectangle interface, and a circle will appear when you click it.

2024-06-05 comment 0  1095

Article Introduction：1. Open the Huaba app, click the [finger] icon in the middle, select [Xuanzhu Drawing Board], and enter the painting library interface. 2. Click [New Draft] below, select the appropriate size, and enter the drawing interface. 3. Modify the color of the line art. We can draw a line art work ourselves, or we can import a line art material with a transparent background. Click [...] in the upper right corner, select [Import], click [Image Material], and import Import line drawing materials into layers. 4. Click on the layer interface on the left, click on the line drawing layer, and click on the fourth grid square, which is the [Lock Transparency] function. 5. In this way, the opacity of our layer is locked. Next, when drawing on this layer, you can only modify the line drawing content, select other colors, and use a solid brush to smear the canvas.

2024-06-21 comment 0  428

Article Introduction：Method 1: Directly use the polygon tool to open the drawing board, select the left toolbox [Polygon Tool (excluding edges)], click the mouse in the blank area of ​​the drawing board, after drawing two points, the internal pattern of the polygon will appear, and then Then click the mouse to draw three points to form a pentagon. Finally, return the mouse to the starting point and click once to construct the interior of the pentagon as shown in the picture. Method 2 Use the construction menu to draw to open the geometric sketchpad, select the [Point Tool] in the left toolbox, and draw any five points that are not on a straight line in the blank area of ​​the sketchpad, as shown in the figure. Select the [Moving Arrow Tool], select the 5 points drawn on the canvas, click the [Construct] menu above, and select [ ] in its drop-down menu, as shown in the figure. After performing the above operations, you will get the five

2024-04-16 comment 0  682

Article Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0  1166

Article Introduction：:This article mainly introduces php-insertion sort. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0  1023

Article Introduction：charles captures requests in eclipse

2016-12-02 comment 0  1659

Article Introduction：Illustrated method to find the path of the PHP configuration file php.ini. Graphical method to find the path of the PHP configuration file php.ini. Recently, some bloggers asked in which directory php.ini exists? Or why does it not take effect after modifying php.ini? Based on the above two questions,

2016-07-13 comment 0  771

Article Introduction：IT House reported on July 14 that Huawei recently released new commercial AI storage products "OceanStorA310 deep learning data lake storage" and "FusionCubeA3000 training/pushing hyper-converged all-in-one machine". Officials said that "these two products can train basic AI models." , industry model training, and segmented scenario model training and inference provide new momentum." ▲ Picture source Huawei IT Home compiled and summarized: OceanStorA310 deep learning data lake storage is mainly oriented to basic/industry large model data lake scenarios to achieve data regression from Massive data management in the entire AI process from collection and preprocessing to model training and inference application. Officially stated that OceanStorA310 single frame 5U supports the industry’s highest 400GB/s

2023-07-16 comment 0  1500

Article Introduction：The difference between the exec function and the shell_exec function in PHP, execshell_exec. The difference between the exec function and the shell_exec function in PHP. Both execshell_exec functions execute Linux command functions. The difference is that the return results are different. exec can only get the last line number.

2016-07-13 comment 0  1018

Article Introduction：Nginx server combines Nginx and tomcat to access jsp

2016-12-02 comment 0  1780

Article Introduction：:This article mainly introduces the PHP function container ing..., students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0  1076

Article Introduction：Interface usage of PHP object-oriented programming, PHP object-oriented programming. Interface usage in PHP object-oriented programming, PHP object-oriented programming interface is a very important concept in PHP object-oriented programming. This article explains in more detail in the form of examples

2016-07-13 comment 0  960