reduce image file size

getimagesize function Get image size (PHP 4, PHP 5) Array getimagesize (string filename [, array imageinfo])//note ￥Imageinfo in use does not need to be in front of . DescriptionThe getimagesize () function will determine any GIF,JPG,PNG,SWF,SWC,PSD,TIFF,BMP,IFF,JP2,JPX,JB2,JPC,XBM or WBMP The size of the image

using the imagecopyresizedbicubic function and it works great Making higher quality thumbnails. However, it seems that the thumbnails Are very large with respect to memory. For instance, I'm resizing images From 200x280 pixels to 140x195 pixels but the smaller pictures wind up Being about 26 K while the original larger pictures are usually around 12 K. Also, when I output the image as a JPEG, it makes no difference what I Select as the quality. It co

Php obtains the image size (width and height ). This article mainly describes the function of PHP to obtain the image size (width, height), that is, the getimagesize () function. Syntax: arraygetimagesize (stringfilename [, arrayimageinfo]) function: This article mainly describes the function of PHP to obtain the

This article mainly introduces how php can efficiently obtain the image size. it is a very practical technique to quickly and efficiently obtain the image size, for more information about how to use php to efficiently obtain image sizes, see the following example. Share it w

The getimagesize function obtains the image size (PHP 4, PHP 5) Array getimagesize (string filename [, array imageinfo]) // note that $ imageinfo does not need to be prefixed during use . DescriptionThe getimagesize () function will determine any GIF, JPG, PNG, SWF, SWC, PSD, TIFF, BMP, IFF, JP2, JPX, JB2, JPC, the size of the XBM or WBMP

Header ("Content-type: image/jpeg ");$ Filename = 'book_rabbit_rule.jpg ';/* Read the image file */$ Im = imagecreatefromjpeg ($ filename );/* How much image is to be cut, length/width */$ New_img_width = 120;$ New_img_height = 42;/* Create a new blank image first */$ Newim

Image processing is approximate (capture), zoom (scale), set size (resize), storage (Save)These are good to deal with, there are filters, wipe, etc.In this demo code, I wrote a few ways1. Equal ratio Scaling-(UIImage *) Scaleimage: (UIImage *) image toscale: (float) scalesize{Uigraphicsbeginimagecontext (Cgsizemake (Image.size.width * scalesize, Image.size.height

Generally, the default image size of the wince system is 32 MB. Generally, this size is enough. However, if many components are added, the generated NK. Bin will exceed 32 MB, and some modifications are required. 1. Check the Configuration Attribute "run-time image can be larger than 32 MB (imgram64 = 1)" of the proj

One method can be used to limit the size of the PHP. INI configuration file to be uploaded. The other method can only be used to manually modify the Fckeditor source code. The method is as follows:Open config. php In the editor/filemanager/connectors/php Directory and create a Config variable to set the size of the uploaded i