CoreTextParagraphLayout Class Reference

Wrapper for doing layouts with CoreText. More...

Inheritance diagram for CoreTextParagraphLayout:

Data Structures
class	CoreTextVisualRun
	Visual run contains data about the bit of text with the same font. More...
class	CoreTextLine
	A single line worth of VisualRuns. More...

Public Member Functions
	CoreTextParagraphLayout (CFAutoRelease< CTTypesetterRef > typesetter, const CoreTextParagraphLayoutFactory::CharType *buffer, ptrdiff_t len, const FontMap &font_mapping)
void	Reflow () override
	Reset the position to the start of the paragraph.
std::unique_ptr< const Line >	NextLine (int max_width) override
	Construct a new line with a maximum width.
Public Member Functions inherited from ParagraphLayouter
virtual	~ParagraphLayouter ()=default
	Ensure the destructor of the sub classes are called as well.

Private Attributes
const CoreTextParagraphLayoutFactory::CharType *	text_buffer
ptrdiff_t	length
const FontMap &	font_map
CFAutoRelease< CTTypesetterRef >	typesetter
CFIndex	cur_offset = 0
	Offset from the start of the current run from where to output.

Detailed Description

Wrapper for doing layouts with CoreText.

Definition at line 33 of file string_osx.cpp.

Constructor & Destructor Documentation

CoreTextParagraphLayout()

CoreTextParagraphLayout::CoreTextParagraphLayout ( CFAutoRelease< CTTypesetterRef > typesetter, const CoreTextParagraphLayoutFactory::CharType * buffer, ptrdiff_t len, const FontMap & font_mapping )

inline

Definition at line 97 of file string_osx.cpp.

Member Function Documentation

NextLine()

std::unique_ptr< const ParagraphLayouter::Line > CoreTextParagraphLayout::NextLine ( int max_width )

overridevirtual

Construct a new line with a maximum width.

Parameters

max_width

The maximum width of the string.

Returns

A Line, or nullptr when at the end of the paragraph.

Implements ParagraphLayouter.

Definition at line 191 of file string_osx.cpp.

References cur_offset.

Reflow()

void CoreTextParagraphLayout::Reflow ( )

inlineoverridevirtual

Reset the position to the start of the paragraph.

Implements ParagraphLayouter.

Definition at line 102 of file string_osx.cpp.

Field Documentation

cur_offset

CFIndex CoreTextParagraphLayout::cur_offset = 0

private

Offset from the start of the current run from where to output.

Definition at line 41 of file string_osx.cpp.

Referenced by NextLine().

font_map

const FontMap& CoreTextParagraphLayout::font_map

private

Definition at line 37 of file string_osx.cpp.

length

ptrdiff_t CoreTextParagraphLayout::length

private

Definition at line 36 of file string_osx.cpp.

text_buffer

const CoreTextParagraphLayoutFactory::CharType* CoreTextParagraphLayout::text_buffer

private

Definition at line 35 of file string_osx.cpp.

typesetter

CFAutoRelease<CTTypesetterRef> CoreTextParagraphLayout::typesetter

private

Definition at line 39 of file string_osx.cpp.

---

The documentation for this class was generated from the following file:

• src/os/macosx/string_osx.cpp