# wx.getImageInfo(Object object)

with Promise style call: Supported

Mini Program plugin: Support, need to Mini Program base library version no less than 1.9.6

Get picture information. Network pictures need to configure the download domain to take effect.

# parameter

# Object object

attribute	type	Required	Introductions
src	string	yes	Image path, support network path, local path, code package path
success	function	no	Interface calls the successful callback function
fail	function	no	Interface calls failed callback functions
complete	function	no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

# object.success callback

# parameter

# Object res

attribute	type	Introductions	Minimum version
width	number	Picture original width in px. Spin is not considered.
height	number	Picture original height in px. Spin is not considered.
path	string	Local path of picture
orientation	string	Device orientation when taking photos	1.9.90
type	string	Picture format	1.9.90

res.orientation Legal value

value	Introductions	Minimum version
up	Default direction (mobile phone horizontal holding camera), corresponding Exif to hit the target 1。 Or none orientation Information.
up-mirrored	with Up, but mirror flip, corresponding to Exif to hit the target 2
down	Rotate 180 degrees, corresponding Exif to hit the target 3
down-mirrored	with Down, but mirror flipped, corresponding Exif to hit the target 4
left-mirrored	with Left, but mirror flipped, corresponding Exif to hit the target 5
right	Rotate 90 degrees clockwise, corresponding Exif to hit the target 6
right-mirrored	with Right, but mirror flip, corresponding Exif to hit the target 7
left	Rotate 90 degrees counterclockwise, corresponding to Exif to hit the target 8

# sample code

Preview with Developer Tool

wx.getImageInfo({
  src: 'images/a.jpg',
  success (res) {
    console.log(res.width)
    console.log(res.height)
  }
})

wx.chooseImage({
  success (res) {
    wx.getImageInfo({
      src: res.tempFilePaths[0],
      success (res) {
        console.log(res.width)
        console.log(res.height)
      }
    })
  }
})