xpos()

Function Definition: xpos(landmark_name = "center")

Parameters

Name	Type	Description	Expected Values	Default Value
landmark_name	string	The landmark name for which the X position is required.	"center", "toprightcorner", "topleftcorner", "bottomrightcorner", "bottomleftcorner", "toprightfinderpattern", "topleftfinderpattern", "bottomleftfinderpattern"	"center"

Description

The function returns the X position of the specified landmark points of the QR code:

center – Center
toprightcorner – Top Right Corner
topleftcorner – Top Left Corner
bottomrightcorner – Bottom Right Corner
bottomleftcorner – Bottom Left Corner
toprightfinderpattern – Top Right Finder Pattern
topleftfinderpattern – Top Left Finder Pattern
bottomleftfinderpattern – Bottom Left Finder Pattern

Example

QR Code Reader – Python

The example demonstrates how to make a QR Code reader in the Python Coding Environment.

Code

sprite = Sprite('Square Box')
qr = QRCodeScanner()

qr.video("on flipped", 0)
qr.disablebox()

while True:
  qr.analysecamera()
  if qr.isdetected():
    sprite.setx(qr.xpos("center"))
    sprite.sety(qr.ypos("center"))
    sprite.setdirection(qr.angle())
    sprite.say(qr.codedata())
    sprite.show()
  else:
    sprite.hide()

Output

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xpos()

Parameters

Description

Example

QR Code Reader – Python

Code

Output

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