WeChat small program API setTextBaseline (set text horizontal alignment)

Drawing interfaces and methods

canvasContext.setTextBaseline

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Base library 1.4.0 starts to support, and low versions need to be compatible

Defined

Used to set the horizontal alignment of text

Parameters

Example code:

const ctx = wx.createCanvasContext('myCanvas')

ctx.setStrokeStyle('red')
ctx.moveTo(5, 75)
ctx.lineTo(295, 75)
ctx.stroke()

ctx.setFontSize(20)

ctx.setTextBaseline('top')
ctx.fillText('top', 5, 75)

ctx.setTextBaseline('middle')
ctx.fillText('middle', 50, 75)

ctx.setTextBaseline('bottom')
ctx.fillText('bottom', 120, 75)

ctx.setTextBaseline('normal')
ctx.fillText('normal', 200, 75)

ctx.draw()

Drawing interfaces and methods