eraser png

Not to mention nonsense.Code: If (move_uploaded_file ($ arrfile ['tmp _ name'], $ strpicname )){ Switch ($ fileext ){ Case ". GIF": // GIF $ Im = imagecreatefromgif ($ strpicname ); Break; Case ". PNG": // PNG $ Im = imagecreatefrompng ($ strpicname ); Break; Default: // JPG $ Im = imagecreatefromjpeg ($ strpicname ); Break; } // Obtain image information $ Imageinfo = $ this->

In front-end web development, background or image transparency is often required. First, we are currently facing the following situations:1. In common browsers such as ie7 +, firefox, safari, and opera, it is no problem to directly use transparent png, but it cannot be transparent in ie6. 2. ie6's current regular share is still large. We must consider the compatibility with ie6. Solution:1. Use gif instead. all browsers can be transparent, but the eff

Recently, I used metinfo 5.0 to build my own small site. The feature is quite good and useful. I found many small problems and I have done almost the same thing. I am too lazy to switch to other cms, fix it by yourself ~ Problem 1: The image watermark function is enabled on the website background, but the system does not save the watermark image for the uploaded image in jpeg format, the watermark image of this image is not available in the system upload/watermark/directory. This problem is not

PNG format image files are not very compatible with browsers, but such transparent PNG files can also be used as virtual edges, and are becoming more and more popular in design. Especially in IE6, there are many bugs and poor support, but there is no way to have a large number of users. We should first consider the support for it. FF supports PNG images, and IE7

Recently used Java to dynamically generate the background transparent image function, from the GIF and PNG select the PNG format, automatically add link address: http://www.my400800.cn to the picture on the site. The search results are summarized as follows: 1. Generate PNG Images Int width = 400;Int Height = 300;// Create a bufferedimage objectBufferedimage

We often use the PNG picture, in the IE6 under the background of the opaque problem, below to introduce you next JS solution. First we need to use a JS, the code is as follows: Copy Code code as follows: /** * Dd_belatedpng:adds IE6 support:png images for CSS background-image and HTML . * Author:drew Diller * email:drew.diller@gmail.com * url:http://www.dillerdesign.com/experiment/dd_belatedpng/ * version:0.0.8a * Licensed under the

In the Android design process, in order to adapt to different phone resolutions, most of the images need to be stretched or compressed, so there is an arbitrary size of the image format ". 9.png". This image is a special image format for Android development, which has the advantage of having a simple way to stretch the areas of a picture, which areas cannot be stretched, and where the area of the display can be clearly marked. This article combines so

PNG images are mainly divided into two types of png-8 and png-24. The numbers after png8 and png24 represent the maximum color values that can be indexed and stored in this PNG format ." 8 "represents the power of 2, that is, 256 colors, and 24 represents that the power of 2 is about more than 16 million colors. IE6

IE6 PNG transparent (three solutions) Ff and IE7 have directly supported transparent PNG images. The following mainly addresses the gray background of transparent PNG images in IE6. ========================================================== ============================================ This effect is simple ,.... Pretty good recommendation Style = "filter: progid:

The translucent effect sometimes adds a lot of color to the page, especially when Vista is prevalent, the translucent effect is more respected. Among the many image formats that can be used for Web browsing, only PNG and Gif formats can achieve translucent effect. However, the translucent Effect of Gif format is limited and will be distorted in a wide range, so currently, the most popular method is to use images in

The image control and picture control in VB cannot directly load images in PNG format, which makes it difficult for us to use or browse images in PNG format. The current solutions are as follows: (1) Use GDI to display PNG images; (2) Make a PNG image into a SWF file and display it with the flash control. The first met

. It contains samples of various layers, channels, masks, and other designs, so that the last design can be modified when the file is opened next time. In the various image formats supported by Photoshop, PSD is much faster to access than other formats and has powerful functions. 　　　　 PNG format PNG (Portable Network Graphics) is a new network image format. At the end of 1994, unysis announced that the GIF

There can be four types of image files suffixed with PNG in Android. 1. Standard PNG: (ex.application icon.png) Meet the PNG-8 standard PNG pictures, can only do pictures, can not shrink. 2.9.png behind Android packaging: (ex. 9.pngpackaged in app apk) To ensure a small

{filter:progid:DXImageTransform.Microsoft.gradient (startcolorstr= #BF000000, endcolorstr= #BF000000);}Use IE's own filter filter. IE does not support a lot of standards, but it also provides a lot of interesting features, such as the filter filter, expression in-line expressions and so on. Related parameters I will not explain, check yourself. Tip Two points: The values of 1.startColorstr and ENDCOLORSTR are composed of two parts: the first two digits are alpha, the latter six are the color va

The most obvious difference is that the PNG format can be saved as a transparent background image, JPEG is not, JPEG is a lossy compressed image format. PNG can be converted to JPEG, but transparent pixels will become white, and the image information will be lost in part. Here is an introduction to 2 formatsJPEG is an abbreviation for the Joint Photographic Experts Group (joint Image Expert Group), and the

Because of the game in the page background and decorative characters in the design of the pursuit of painting and game style to match, which gives the front page production staff to bring a lot of trouble, a page of the production of the main time and energy to spend on compatible IE6, and IE6 because incompatible png-24 picture has been despised by developers.Because the market determines the value of the existence of the page, so the IE6 still must

Introduction of Png.js file in headThe contents of the Png.js file are as follows:/*** Png:adds IE6 support:png images for CSS background-image and HTML .* author:drew diller* Email: [Email protected]* url:http://www.dillerdesign.com/experiment/png/* version:0.0.7a* Licensed under the MIT License: http://dillerdesign.com/experiment/PNG/#license * * Example usage:* png.fix ('. Png_bg '); argument is a CSS se

a large number of PNG images are used in the Cocos Project, and the PNG file size typically accounts for about 90% of the size of the release package, and compressing the PNG file size plays a key role in reducing the size of the release package. we know that PNG files can be roughly divided into three formats: PNG32,