QFontMetrics

Hierarchy

• Component

  ↳ QFontMetrics

Index

Constructors

• constructor

Properties

• native

Methods

• ascent
• averageCharWidth
• boundingRect
• capHeight
• descent
• elidedText
• fontDpi
• height
• horizontalAdvance
• inFont
• inFontUcs4
• leading
• leftBearing
• lineSpacing
• lineWidth
• maxWidth
• minLeftBearing
• minRightBearing
• overlinePos
• rightBearing
• size
• strikeOutPos
• swap
• tightBoundingRect
• underlinePos
• xHeight

Constructors

constructor

+ new QFontMetrics(native: NativeElement): QFontMetrics

Overrides Component.constructor

Parameters:

Name	Type
native	NativeElement

Returns: QFontMetrics

+ new QFontMetrics(qfont: QFont): QFontMetrics

Overrides Component.constructor

Parameters:

Name	Type
qfont	QFont

Returns: QFontMetrics

+ new QFontMetrics(qfontmetrics: QFontMetrics): QFontMetrics

Overrides Component.constructor

Parameters:

Name	Type
qfontmetrics	QFontMetrics

Returns: QFontMetrics

Properties

native

• native: NativeElement | null

Inherited from Component.native

Methods

ascent

▸ ascent(): number

Returns the ascent of the font

Returns: number

---

averageCharWidth

▸ averageCharWidth(): number

Returns the average width of glyphs in the font

Returns: number

---

boundingRect

▸ boundingRect(text: string): QRect

Parameters:

Name	Type
text	string

Returns: QRect

---

capHeight

▸ capHeight(): number

Returns the cap height of the font

Returns: number

---

descent

▸ descent(): number

Returns the descent of the font

Returns: number

---

elidedText

▸ elidedText(text: string, mode: TextElideMode, width: number, flags: number): string

Parameters:

Name	Type	Default
text	string	-
mode	TextElideMode	-
width	number	-
flags	number	0

Returns: string

---

fontDpi

▸ fontDpi(): number

Returns the font DPI

Returns: number

---

height

▸ height(): number

Returns the height of the font

Returns: number

---

horizontalAdvance

▸ horizontalAdvance(text: string, len: number): number

Returns the horizontal advance in pixels of the first len characters of text. If len is negative (the default), the entire string is used

Parameters:

Name	Type	Default
text	string	-
len	number	-1

Returns: number

---

inFont

▸ inFont(text: string): number

Returns true if character ch is a valid character in the font; otherwise returns false

Parameters:

Name	Type
text	string

Returns: number

---

inFontUcs4

▸ inFontUcs4(ucs4: number): boolean

Parameters:

Name	Type
ucs4	number

Returns: boolean

---

leading

▸ leading(): number

Returns the leading of the font

Returns: number

---

leftBearing

▸ leftBearing(text: string): number

Returns the left bearing of character ch in the font

Parameters:

Name	Type
text	string

Returns: number

---

lineSpacing

▸ lineSpacing(): number

Returns the distance from one base line to the next

Returns: number

---

lineWidth

▸ lineWidth(): number

Returns the width of the underline and strikeout lines, adjusted for the point size of the font

Returns: number

---

maxWidth

▸ maxWidth(): number

Returns: number

---

minLeftBearing

▸ minLeftBearing(): number

Returns: number

---

minRightBearing

▸ minRightBearing(): number

Returns: number

---

overlinePos

▸ overlinePos(): number

Returns the distance from the base line to where an overline should be drawn

Returns: number

---

rightBearing

▸ rightBearing(text: string): number

Returns the right bearing of character ch in the font

Parameters:

Name	Type
text	string

Returns: number

---

size

▸ size(flags: TextFlag, text: string, tabStops: number): QSize

Returns the size in pixels of text

See QtEnums::TextFlag for flags

Parameters:

Name	Type	Default
flags	TextFlag	-
text	string	-
tabStops	number	0

Returns: QSize

---

strikeOutPos

▸ strikeOutPos(): number

Returns the distance from the base line to where the strikeout line should be drawn

Returns: number

---

swap

▸ swap(other: QFontMetrics): void

Swaps metrics other with this metrics. This operation is very fast and never fails

Parameters:

Name	Type
other	QFontMetrics

Returns: void

---

tightBoundingRect

▸ tightBoundingRect(text: string): QRect

Parameters:

Name	Type
text	string

Returns: QRect

---

underlinePos

▸ underlinePos(): number

Returns the distance from the base line to where an underscore should be drawn

Returns: number

---

xHeight

▸ xHeight(): number

Returns the 'x' height of the font. This is often but not always the same as the height of the character 'x'.

Returns: number