10 Image Gallery Instance Summary

Today we are going to learn how to use Python to generate a random Chinese verification code, and save the picture as a. jpeg format, the need for friends can refer to this before you first need to understand the PIL library in Python. PIL is the short name of the Python Imaging Library, PiL is a python processing image library, provides a series of modules and methods, such as: cutting, panning, rotating, changing the size and so on. In the PIL library, any one image is represented by image object, so the simplest form to load a picture is as follows: from PIL import imageimage = Image.open ("1.jpeg") in the PIL library, the most commonly used module has an image , Imagedraw,imageenhance,imagefile and so on. PIL's download address is: http://www.pythonware.com/products/pil/

1. About the implementation of Chinese verification Code example tutorial

Summary: Today we are going to learn how to use Python to generate a random Chinese verification code, and save the picture as a. jpeg format, the required friends can refer to this before you first need to understand the PIL library in Python. PIL is the short name of the Python Imaging Library, PiL is a python processing image library, provides a series of modules and methods, such as: cutting, panning, rotating, changing the size and so on. In the PIL library, any image is represented by an images object, so load a picture ...

2. Summary of uploads usage examples

Introduction:  $competition _image = $_files[& #39;competition_image& #39;];/ /Get a batch of files sent up        $file = & #39;uploads/ext_masterdata/doors/& #39;; /upload ask price to target directory    &am

3. A detailed description of the form of animation

Introduction: The main use of the knowledge of this article is mainly used in the Canvas API DrawImage method, the following is a brief introduction to this method. Drawing images in the canvas API using the DrawImage method, this is an overloaded method, defined as follows: Context.drawimage (image,x,y); Context.drawimage (image,x,y,w,h); Context.drawimage (Image,sx,sy,sw,sh,...

4. Detailed introduction and usage summary of G1 in Java

Introduction: CSS3 VW unit PASTE_IMAGE.PNG100VW = 100% window width 100vh = 100% window height This implementation of the adaptive square (fixed length-to-width ratio of the container) will be quite simple! [LANG=STYLUS].BOX  WIDTH 10VW  HEIGHT 10VW since it is a new unit, there is bound to be compatibility issues. [Lang=jade].i ...

5. Summary of how to add text

Summary: How to use the GD2 function to add text to a picture (PHP graphic image typical Application tutorial 2)   in PHP The GD library supports Chinese, but it must be passed in UTF-8 encoding format, if the imagesstring () function is used to draw Chinese characters directly, it will be garbled, because GD2 can only receive UTF-8 encoding format for Chinese, and the English font is used by default, so I want to output the string The Chinese string must be transcoded, and set the font used in Chinese strings, otherwise, the output can only be garbled! In the previous article ...

6. A detailed description of the border picture

Introduction: Fillet: Border-radius Shadow: Box-shadow Border Picture: Border-image box inside minus: Box-sizing:border-box; fillet: Border-radius: Pixels/ Percent a value set is the box of the four corners of the horizontal and vertical radius of each corner can be set separately, the order of values is left upper right up to the lower right, lower left down clockwise setting can be abbreviated, logic with padding and margin units support pixels, and percent (referring to the width ...)

7. Turn the Web site, Web page interface into black and white gray tone CSS Code

Introduction: Not much to say, please look at the code, the Web site or page into a black and white # # #网页黑白代码外部样式 * * Write to the. css file, use * HTML {filter:progid:DXImageTransform.Microsoft.BasicImage ( grayscale=1);-webkit-filter:grayscale (100%);} 123 # # #网页黑白代码内部样式 write the head tag inside

8. Color Web page black white CSS Code

Introduction: Web page Gray black \ Black white CSS code, let the Web page become black CSS code: <style> HTML {-webkit-filter:grayscale (100%);-moz-filter:grayscale (100%);- Ms-filter:grayscale (100%);-o-filter:grayscale (100%); filter:progid:DXImageTransfor

9. Detailed example code for border-image in CSS styles

Summary: Border-image-source property Sets the path of a picture of a border [none | <image>]div {border:20px solid #000; Border-image-source:url ( Border.png);} Border-image-slice Property picture Border Inward offset [<number> | <percentage>] (1,4) filldiv {border:20px solid #000; border-im

H5 Use instances of drawimage (image scaling or cropping) in the Canvas API

Introduction: This article mainly introduces the use of the DrawImage () method in the HTML5 Canvas API, the DrawImage () method is mainly used to zoom or crop the image, the use of its coordinates and related parameters is given, the need for friends can refer to the following

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