DrawUtils - Documentation

Methods

(static) _BezierEllipse(context, x, y, a, b, h)

Source:

util/cl.draw.js, line 433

draw a ellipse

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`x`	Number
`y`	Number
`a`	Number
`b`	Number
`h`	Number

(static) _clearRect(context, xx, yy, ww, hh)

Source:

util/cl.draw.js, line 161

clear rect

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`xx`	Number
`yy`	Number
`ww`	Number
`hh`	Number

(static) _drawBegin(context, clr)

Source:

util/cl.draw.js, line 182

start draw line

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`clr`	String

(static) _drawCircle(context, x, y, r)

Source:

util/cl.draw.js, line 381

draw circle

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`x`	Number
`y`	Number
`r`	Number

(static) _drawDashLine(context, x1, y1, x2, y2, dashLen)

Source:

util/cl.draw.js, line 217

draw dash line

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`x1`	Number
`y1`	Number
`x2`	Number
`y2`	Number
`dashLen`	Number

(static) _drawEnd(context)

Source:

util/cl.draw.js, line 193

end draw

Parameters:

Name	Type	Description
`context`	Object	canvas's context

(static) _drawHline(context, xx1, xx2, yy)

Source:

util/cl.draw.js, line 83

draw horizontal line

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`xx1`	Number
`xx2`	Number
`yy`	Number

(static) _drawKBar(context, config, item)

Source:

util/cl.draw.js, line 652

draw kbar

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`config`	Object
`item`	Object

(static) _drawline(context, xx1, yy1, xx2, yy2)

Source:

util/cl.draw.js, line 97

draw line

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`xx1`	Number
`yy1`	Number
`xx2`	Number
`yy2`	Number

(static) _drawLineAlone(context, xx, yy, xx1, yy1, clr)

Source:

util/cl.draw.js, line 413

draw a alone lien

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`xx`	Number
`yy`	Number
`xx1`	Number
`yy1`	Number
`clr`	String

(static) _drawlineTo(context, xx, yy)

Source:

util/cl.draw.js, line 120

draw line to

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`xx`	Number
`yy`	Number

(static) _drawLogo(context, xx, yy, size)

Source:

util/cl.draw.js, line 464

draw logo

Parameters:

Name	Type	Description
`context`	any
`xx`	any
`yy`	any
`size`	any

(static) _drawmoveTo(context, xx, yy)

Source:

util/cl.draw.js, line 109

move to position

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`xx`	Number
`yy`	Number

(static) _drawRect(context, xx, yy, ww, hh)

Source:

util/cl.draw.js, line 134

draw empty rect

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`xx`	Number
`yy`	Number
`ww`	Number
`hh`	Number

(static) _drawSignCircle(context, x, y, Arc1, Arc2, Arc3)

Source:

util/cl.draw.js, line 529

draw sign circle

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`x`	Number
`y`	Number
`Arc1`	Object
`Arc2`	Object
`Arc3`	Object

(static) _drawSignHLine(context, config, item)

Source:

util/cl.draw.js, line 553

draw sing horizontal line

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`config`	Object
`item`	Object

(static) _drawSignPlot(context, x, y, Arc1, Arc2)

Source:

util/cl.draw.js, line 502

draw sign plot

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`x`	Number
`y`	Number
`Arc1`	Object
`Arc2`	Object

(static) _drawSignVLine(context, config, item)

Source:

util/cl.draw.js, line 603

draw sign vertical line

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`config`	Object
`item`	Object

(static) _drawTxt(context, xx, yy, txt, font, pixel, clr, pos)

Source:

util/cl.draw.js, line 254

draw text

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`xx`	Number
`yy`	Number
`txt`	String
`font`	String
`pixel`	Number
`clr`	String
`pos`	Object

(static) _drawTxtRect(context, xx, yy, txt, config)

Source:

util/cl.draw.js, line 345

draw text rect

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`xx`	Number
`yy`	Number
`txt`	String
`config`	Object

(static) _drawVBar(context, config, value)

Source:

util/cl.draw.js, line 686

draw volume bar

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`config`	Object
`value`	Object

(static) _drawVline(context, xx, yy1, yy2)

Source:

util/cl.draw.js, line 70

draw vertical line

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`xx`	Number
`yy1`	Number
`yy2`	Number

(static) _fill(context, fillclr)

Source:

util/cl.draw.js, line 171

fill by color

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`fillclr`	String

(static) _fillRect(context, xx, yy, ww, hh, fillclr)

Source:

util/cl.draw.js, line 148

draw fill rect

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`xx`	Number
`yy`	Number
`ww`	Number
`hh`	Number
`fillclr`	String

(static) _getImageData(context, xx, yy, ww, hh) → {Object}

Source:

util/cl.draw.js, line 21

get image data

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`xx`	Number
`yy`	Number
`ww`	Number
`hh`	Number

Returns:

Type: Object

(static) _getLineWidth(context) → {Number}

Source:

util/cl.draw.js, line 57

get line width

Parameters:

Name	Type	Description
`context`	Object	canvas's context

Returns:

line width

Type: Number

(static) _getTxtWidth(context, txt, font, pixel) → {Number}

Source:

util/cl.draw.js, line 292

get text width

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`txt`	String
`font`	String
`pixel`	Number

Returns:

string width

Type: Number

(static) _putImageData(context, img, xx, yy)

Source:

util/cl.draw.js, line 35

put image data

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`img`	Object
`xx`	Number
`yy`	Number

(static) _setFontSize(context, font, pixel)

Source:

util/cl.draw.js, line 239

set font size

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`font`	String
`pixel`	Number

(static) _setLineWidth(context, l)

Source:

util/cl.draw.js, line 47

set line width

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`l`	Number	line width

(static) _setTransColor(scolor, trans, style) → {String}

Source:

util/cl.draw.js, line 709

transfer color to rgba

Parameters:

Name	Type	Description
`scolor`	String
`trans`	Number
`style`	String

Returns:

Type: String

(inner) __getTxtRect(context, txt, config) → {Object}

Source:

util/cl.draw.js, line 329

get text bound rect

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`txt`	String
`config`	Object

Returns:

Type: Object

(inner) _drawCircleAndFilled(context, x, y, r, clr)

Source:

util/cl.draw.js, line 395

draw circle center point

Parameters:

Name	Type	Description
`context`	Object	canvas's context
`x`	Number
`y`	Number
`r`	Number
`clr`	String

(inner) getTxtWith(charMap, txt, fontSize) → {Number}

Source:

util/cl.draw.js, line 270

get text width from charmap by fontsize

Parameters:

Name	Type	Description
`charMap`	Object
`txt`	String
`fontSize`	Number

Returns:

Type: Number