# string Canvas.toTempFilePath(Object object)

Saves the current canvas as a temporary file.

# Parameters

# Object object

Attribute	Type	Default	Required	Description
x	number	0	No	The x-coordinate of the top-left corner of the truncated canvas
y	number	0	No	The y-coordinate of the top-left corner of the truncated canvas
width	number	The canvas width	No	The width of the truncated canvas
height	number	The canvas height	No	The height of the truncated canvas
destWidth	number	The canvas width	No	The width of the destination file. The truncated part will be stretched or compressed to this value.
destHeight	number	The canvas height	No	The height of the destination file. The truncated part will be stretched or compressed to this value.
fileType	string	png	No	The type of the destination file
quality	number	1.0	No	The quality of jpg images, which is valid only when fileType is jpg. Value range: 0.0 (lowest) to 1.0 (highest), exclusive of 0. 1.0 is used when the specified value falls outside this range.
success	function		No	The callback function for a successful API call
fail	function		No	Callback function for failed API call
complete	function		No	Callback function used when API call completed (always executed whether call succeeds or fails)

Valid values of object.fileType

Value	Description	Minimum Version
jpg	jpg file
png	png file

# Return Values

# string

The temporary file path generated for canvas.

# Sample Code

Canvas.toTempFilePath


canvas.toTempFilePath({
  x: 10,
  y: 10,
  width: 200,
  height: 150,
  destWidth: 400,
  destHeight: 300,
  success: (res) => {
    wx.shareAppMessage({
      imageUrl: res.tempFilePath
    })
  }
})

Canvas.toTempFilePathSync


let tempFilePath = canvas.toTempFilePathSync({
  x: 10,
  y: 10,
  width: 200,
  height: 150,
  destWidth: 400,
  destHeight: 300
})
wx.shareAppMessage({
  imageUrl: tempFilePath
})