blank transparent png

I. Preparation (PNG Image blank format) 1. Prepare image resources. First, edit the used image in photoshop, and save the image as a. PNG with a transparent channel (the background can be transparently tuned during the display of the GDI + call ).

Solution for failure of transparent effect (with gray background) of PNG images under IE6 Time: Source:Yitian Interconnection Author:Admin Click: 182 times Solve the Problem of PNG transparency failure in IE6. PNG-IE6. PNG is transparent

Preface This articleArticleIt is estimated that it will not be too long, there is a risk of removing the home page, but the old man (It is said that our real ye xiaochai is actually over 100 years old.. So I'm here! Digress:Today, we also read a

When we often use png images, the background is not transparent in ie6. The following describes how to solve this problem in js. First, we need to use a js. The Code is as follows: Copy codeThe Code is as follows :/** * DD_belatedPNG: Adds IE6

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

How to use Photoshop (PS) to make the background color of an image transparent, In most cases, the background color of an image needs to be transparent. This article describes how to use PS to make a part of the image transparent. In this example,

Use Oracle's security External Password Store feature to implement a password-free login databaseAuthor: Zhao Full text network name: Guestart650) this.width=650; "Src="

Transparency often produces good web visuals, first with CSS-transparent code compatible with mainstream browsers: Copy Code code as follows: . transparent_class { Filter:alpha (OPACITY=50); -moz-opacity:0.5; -khtml-opacity:0.5;

Because the project requirements need to convert JPG, PNG type pictures to WEBP format, the first use of the PHP GD class library IMAGEWEBP method implementation, the results found that the converted Webp format files will occasionally appear blank

/*Based on STR generationHeader ("Content-type:image/png");$IMAGEURL = "Http://www.ci123.com/index/styles/images/index_fwq.png";$str =file_get_contents ($IMAGEURL);$a =imagecreatefromstring ($STR);Imagepng ($a);//have filename for generation,