Developer's Guide

Developer's Guide

Quick start guide

Development tool (IDE)

Mini Program Studio

IAPMiniProgram SDK

API references

OpenAPIs

JSAPI

JSAPI reference

JS bridge guide for cross-app launch

Basic

In-App Event

UI

NavigationBar

TabBar

Route

Feedback

Pulldown

Contact

Choose Date

Animation

Canvas

my.createCanvasContext

CanvasContext

CanvasContext Overview

CanvasContext.addColorStop

CanvasContext.arc

CanvasContext.beginPath

CanvasContext.bezierCurveTo

CanvasContext.clearRect

CanvasContext.clip

CanvasContext.closePath

CanvasContext.createCircularGradient

CanvasContext.createLinearGradient

CanvasContext.draw

CanvasContext.drawImage

CanvasContext.fill

CanvasContext.fillRect

CanvasContext.fillText

CanvasContext.getImageData

CanvasContext.lineTo

CanvasContext.measureText

CanvasContext.moveTo

CanvasContext.putImageData

CanvasContext.quadraticCurveTo

CanvasContext.rect

CanvasContext.restore

CanvasContext.rotate

CanvasContext.save

CanvasContext.scale

CanvasContext.setFillStyle

CanvasContext.setFontSize

CanvasContext.setGlobalAlpha

CanvasContext.setLineCap

CanvasContext.setLineDash

CanvasContext.setLineJoin

CanvasContext.setLineWidth

CanvasContext.setMiterLimit

CanvasContext.setShadow

CanvasContext.setStrokeStyle

CanvasContext.setTextAlign

CanvasContext.setTextBaseline

CanvasContext.setTransform

CanvasContext.stroke

CanvasContext.strokeRect

CanvasContext.toDataURL

CanvasContext.toTempFilePath

CanvasContext.transform

CanvasContext.translate

Keyboard

Scroll

SelectorQuery

Multiple Level Select

Set Background

Set Page Pulldown

Media

Storage

File

Location

Map

Network

Device

Sharing

Update

web-view

Alipay Connect

Open Capabilities

Capabilities

Development resources

Framework

Component

Extended Component

Basic Capabilities

CanvasContext.scale

2023-09-05 06:04