imaging

Imaging is a simple image processing package for Go

GetBBox

return the bounding box as a 4-tuple defining the left, upper, right, and lower pixel coordinate.

If the image is completely empty, this method returns (0,0,0,0).

other solution,

• GostScript

$ gs -sDevice=bbox tempCmykPdfFile.pdf|grep BoundingBox
>> return 
 %%BoundingBox: 13 48 199 100

• Python PIL

import Image
im=Image.open("myfile.png")
print im.getbbox()

Installation

$ go get github.com/alitrack/imaging

Usage

var img image.Image
//your decode 
fmt.Println(imaging.GetBBox(img))
//if img==nil will return 0.0.0.0 

License

MIT

Author

Steven Lee(steven#alitrack.com)