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Class VisStr

Hierarchy

  • VisStr

Index

Constructors

Properties

Methods

Constructors

constructor

  • new VisStr(canvas: HTMLCanvasElement, font_size?: number, font_type?: string): VisStr

  • Parameters

    • canvas: HTMLCanvasElement

      HTMLCanvasElement

    • font_size: number = 32

      font size

    • font_type: string = 'Courier'

      font name

    Returns VisStr

Properties

Private canvas

canvas: HTMLCanvasElement

Private ctx

ctx: CanvasRenderingContext2D

Private font_size

font_size: number

Private font_size_half

font_size_half: number

Private font_type

font_type: string

Private range_beg_offset

range_beg_offset: number

The offset to start drawing a range from a center position of an index.

Private range_end_offset

range_end_offset: number

Private str_x

str_x: number

Private str_y

str_y: number

Methods

clear

  • clear(): void

curve_d

  • curve_d(): number

  • Return the length of a beginning (or ending) part of a range.

    Returns number

draw

  • draw(input_str: string, rss: Range[][]): void

  • Draw a given string and ranges.

    Parameters

    • input_str: string

      Input string to draw.

    • rss: Range[][]

      The ranges to draw which are related to a given string input_str

    Returns void

drawArrowPxPart

  • drawArrowPxPart(rpx: RangePx): void

  • Draw arrow as a part of a range.

    Parameters

    Returns void

drawCurvePart

  • drawCurvePart(rpx: RangePx): void

  • Draw curve as a part of a range.

    Parameters

    Returns void

drawInputStr

  • drawInputStr(input_str: string): void

  • Draw an input string.

    Parameters

    • input_str: string

    Returns void

drawLinePxPart

  • drawLinePxPart(rpx: RangePx): void

  • Draw line as a part of a range.

    Parameters

    Returns void

drawRange

  • drawRange(r: Range, y: number): void

  • Draw range.

    Parameters

    • r: Range

      A range to draw.

    • y: number

      A y-coordinate to draw r.

    Returns void

drawRangePx

drawRangePxPart

  • drawRangePxPart(rpx: RangePx): void

  • Draw range as a part of a range.

    Parameters

    Returns void

drawRanges

  • drawRanges(range_rows: Range[][]): void

  • Draw ranges.

    Parameters

    • range_rows: Range[][]

      Ranges to draw.

    Returns void

drawStr

  • drawStr(r: Range, y: number): void

  • Draw strings.

    Parameters

    • r: Range

      A range to draw strings.

    • y: number

      The y-coorinate to draw range r.

    Returns void

makeGroupRangesAutoColor

  • Return the range list rs specified with the style style.

    Parameters

    • rs: RangeSimple[][]

      The range list.

    • style: string

      The style of the ranges rs to draw.

    Returns Range[][]

makeRanges

  • Return the range list rs specified with style style and color.

    Parameters

    • ranges: RangeSimple[]

      The range list.

    • style: string

      The style of the ranges rs to draw.

    • color: string

      The color of the ranges rs to draw.

    Returns Range[]

makeRangesAutoColor

  • Return the range list rs specified with the style style.

    Parameters

    • rs: RangeSimple[]

      The range list.

    • style: string

      The style of the ranges rs to draw.

    Returns Range[]

makeSingleGroups

  • Make group that each contains a single range.

    Parameters

    • ranges: Range[]

      The range list.

    Returns Range[][]

nonOverlapObjs

  • nonOverlapObjs<T>(Ts: T[], rangef: (arg0: T) => number[]): T[][]

  • Return the grouped ranges that each contains non overlapping ranges.

    Type parameters

    • T

    Parameters

    • Ts: T[]

      The range list.

    • rangef: (arg0: T) => number[]

      The function to return the tuple beginning index and ending index of a given range Ts[i].

        • (arg0: T): number[]

        • Parameters

          • arg0: T

          Returns number[]

    Returns T[][]

nonOverlapRanges

  • Return the grouped ranges that each contains non overlapping ranges.

    Parameters

    • rs: Range[]

      The range list.

    Returns Range[][]

nonOverlapRangesSimple

rangeBeg

  • rangeBeg(idx: number): number

  • Returns the x-coordinate which is a beginning of a range.

    Parameters

    • idx: number

      index of a range

    Returns number

    The x-coordinate of a range beginning at idx

rangeEnd

  • rangeEnd(idx: number): number

  • Returns the x-coordinate which is a ending of a range.

    Parameters

    • idx: number

      index of a range

    Returns number

    The x-coordinate of a range ending at idx

rangeHeight

  • rangeHeight(r: Range): number

  • Return the height of a given range.

    Parameters

    Returns number

splitRangePx

  • For a range not to draw strings, split it to three parts left, center, and right.

    Parameters

    • rpx: RangePx

      Given range to split.

    Returns RangePx[]

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