Powerful convert commands
The convert command can be used to convert the image format. jpg, BMP, PCX, GIF, PNG, Tiff, XPM, and xwd types are supported. The following is an example:
Convert xxx.jpg xxx.png convert jpeg to PNG file
Convert xxx.gif xxx.
The Convert to Linux commandPowerful convert commandThe convert command can be used to transform the format of images, support jpg, BMP, PCX, GIF, PNG, TIFF, xpm and XWD types, and here are a few examples:Convert xxx.jpg xxx.png convert JPEG to PNG
Turn:Powerful convert commandThe convert command can be used to transform the format of images, support jpg, BMP, PCX, GIF, PNG, TIFF, xpm and XWD types, and here are a few examples:Convert xxx.jpg xxx.png convert JPEG to PNG fileConvert xxx.gif xxx.
After the phpjpgraph installation tutorial is complete, you can use the jpgraph class library in the environment where PHP is installed. However, to enable the jpgraph class library to better support various characters, such as Chinese characters,
Php code for adding a Chinese watermark to an image
Header ("Content-type: image/png");/* notify the browser to output the image */
$ Im = imagecreate (400,300);/* define the image size */
$ Gray =
In php, adding watermarks to Chinese characters requires some simple processing. one is to convert characters into gbk, and the other is to load Chinese fonts, with these two conditions, adding a Chinese watermark to the image is simple. Example 1
In php, adding watermarks to Chinese characters requires some simple processing. one is to convert characters into gbk, and the other is to load Chinese fonts, with these two conditions, adding a Chinese watermark to the image is simple. Example 1
In php, adding watermarks to Chinese characters requires some simple processing. one is to convert characters into gbk, and the other is to load Chinese fonts, with these two conditions, adding a Chinese watermark to the image is simple.
Example
Php image and Chinese watermark implementation code sharing Example 1
The code is as follows:
Header ("Content-type: image/png");/* notify the browser to output the image */
$ Im = imagecreate (400,300);/* define the image size */
$ Gray =
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