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canvas-form

v1.2.0

Published

You can choose some forms by canvas-form

Downloads

10

Readme

Update 1.2.0:

1- Change js to ts
2- Add createTriangle
3- Add addFontFamily
4- Fix some mistakes

Compiling

If you want to know the details, go here

OS | Command ----- | ----- OS X | Using Homebrew:brew install pkg-config cairo pango libpng jpeg giflib librsvg pixman Ubuntu | sudo apt-get install build-essential libcairo2-dev libpango1.0-dev libjpeg-dev libgif-dev librsvg2-dev Fedora | sudo yum install gcc-c++ cairo-devel pango-devel libjpeg-turbo-devel giflib-devel Solaris | pkgin install cairo pango pkg-config xproto renderproto kbproto xextproto OpenBSD | doas pkg_add cairo pango png jpeg giflib Windows | See the wiki Others | See the wiki

Install

npm install canvas-form --save
const { Forms } = require("canvas-form");
let form = new Forms();

Values

Key | Type --- | ---- createCircle | method createText | method createImages | method createLine | method createRect | method createRhombus | method createStar | method createTriangle | method setCanvasSize | method toBuffer | method toSave | method addFontFamily | method Canvas | prototype canvas | prototype ctx | prototype

Rect

let rect = form.createRect(/* options: RectOptions */);
rect.draw({x:200, y:100, color:"blue", drawType:"stroke"})
rect.draw({x:500, y:100, height:110, width:110});

Rect

Circle

let circle = form.createCircle(/* options: CircleOptions */);
circle.draw({x:200, y:100, color:"blue", drawType:"stroke"});
circle.draw({x:500, y:100, radius:60});

Circle

Text

let text = form.createText(/* options: TextOptions */);
text.draw({x:200, y:100, color:"blue", drawType:"stroke", text:"Hello"});
text.draw({x:500, y:100, text:"Hi", fontFamily:"Impact", size:60, textAlign:"left", width:70});

Text

Line

let line = form.createLine(/* options: LineOptions */);
line.draw({x:200, y:100, endX:450, endY:100, color:"blue", lineWidth:3});
line.draw({x:200, y:150, endX:450, endY:150, lineWidth:5});

Line

Rhombus

let rhombus = form.createRhombus(/* options: RhombusOptions */);
rhombus.draw({x:200, y:200, color:"blue", drawType:"stroke"});
rhombus.draw({x:500, y:200, height:80 ,width:90});

Rhombus

Star

let star = form.createStar(/* options: StarOptions */);
star.draw({x:200, y:100, color:"blue", drawType:"stroke"});
star.draw({x:500, y:100, spikes:9, innerRadius:20, outerRadius:30});

Star

Image

let image = form.createImage(/* options: ImageOptions */);
image.draw({x:200, y:500, height:120, width:120, path:"https://cdn.discordapp.com/attachments/716228498825412690/987695097107873792/unknown.png"}).then(async img=>
    {
        await image.draw({x:400, y:500, isCircle:true, radius:60, path:"https://cdn.discordapp.com/attachments/716228498825412690/987695097107873792/unknown.png"});
        await img.draw({x:600, y:500, height:100, width:100, path:"https://cdn.discordapp.com/attachments/716228498825412690/987695097107873792/unknown.png"});
        await img.draw({x:800, y:500, isCircle:true, radius:50, path:"https://cdn.discordapp.com/attachments/716228498825412690/987695097107873792/unknown.png"});
    });

Image

Triangle

let triangle = form.createTriangle(/* options: TriangleOptions */);
triangle.draw({x:200, y:100, color:"red"});
triangle.draw({x:300, y:100, color:"blue", drawType:"stroke"});
triangle.draw({x:400, y:100, color:"green", rotate:70});
triangle.draw({x:200, y:200, color:"yellow", sideAB: 20, sideAC: 10});
triangle.draw({x:300, y:200, color:"pink", sideBC: 50, rotate:20});

Triangle

Font Family

Warning If you use windows os you must add font family in your windows before use addFontFamily

// Add new Font Family 
form.addFontFamily(/* path: string, setName: string, options?: {style?: string, weight?: string} */) // You can add any name in setName

for examlpe:

form.addFontFamily("./Halimun.ttf","Halimun");
let text = form.createText();
text.draw({x:200, y:100, text:"Hello", fontFamily:"Halimun"});
text.draw({x:500, y:100, text:"Hello", fontFamily:"Impact"});

font family

Canvas size

// change size canvas 
form.setCanvasSize(height, width) // default height = 1920, width = 1080

Other method

// save Image
form.toSave(path, type); // path = "save local device without .", type = "png" | "jpeg"

// convert to Buffer
form.toBuffer() // return Buffer

One example in detail

form.createRect(/*options*/).draw({x:500, y:100, color:"red"}).draw({x:700, y:100, color:"red"}).draw({x:900, y:100, color:"red"});

OR

form.createRect({y:100, color:"red"}).draw({x:500}).draw({x:700}).draw({x:900});

OR

let rect = form.createRect(/*options*/);
rect.draw({x:500, y:100, color:"red"});
rect.draw({x:700, y:100, color:"red"});
rect.draw({x:900, y:100, color:"red"});

OR

let rect = form.createRect({color:"red", y:100});
rect.draw({x:500});
rect.draw({x:700});
rect.draw({x:900});

draws

Options

RectOptions

Key | Type | Default --- | ---- | ----- x | Number | 0 y | Number | 0 color | String | black drawType draw | String | fill width | Number | 100 height | Number | 100

CircleOptions

Key | Type | Default --- | ---- | ----- x | Number | 0 y | Number | 0 color | String | black drawType draw | String | fill radius | Number | 50

TextOptions

Key | Type | Default --- | ---- | ----- x | Number | 0 y | Number | 0 color | String | black drawType draw | String | fill width | Number | 100 text | String | null size | Number | 50 fontFamily | String | Arial

LineOptions

Key | Type | Default --- | ---- | ----- x | Number | 0 y | Number | 0 color | String | black lineWidth | Number | 1 endX | Number | 50 endY | Number | 50

RhombusOptions

Key | Type | Default --- | ---- | ----- x | Number | 0 y | Number | 0 color | String | black drawType draw | String | fill width | Number | 100 height | Number | 100 lineWidth | Number | 1

StarOptions

Key | Type | Default --- | ---- | ----- x | Number | 0 y | Number | 0 color | String | black drawType draw | String | fill lineWidth | Number | 1 spikes | Number | 5 outerRadius | Number | 30 innerRadius | Number | 15

ImageOptions

Key | Type | Default --- | ---- | ----- x | Number | 0 y | Number | 0 color | String | black width | Number | 100 height | Number | 100 path | String | null

TriangleOptions

Key | Type | Default --- | ---- | ----- x | Number | 0 y | Number | 0 color | String | black drawType draw | String | fill sideAB?| number | 0 sideAC?| number | 0 sideBC?| number | 0 rotate?| number | 0