ICUParagraphLayout Class Reference

Wrapper for doing layouts with ICU. More...

Inheritance diagram for ICUParagraphLayout:

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

Public Member Functions
	ICUParagraphLayout (std::vector< ICURun > &&runs, UChar *buff, size_t buff_length)
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
std::vector< ICURun >	runs
UChar *	buff
size_t	buff_length
std::vector< ICURun >::iterator	current_run
int	partial_offset

Detailed Description

Wrapper for doing layouts with ICU.

Definition at line 59 of file gfx_layout_icu.cpp.

Constructor & Destructor Documentation

ICUParagraphLayout()

ICUParagraphLayout::ICUParagraphLayout ( std::vector< ICURun > && runs, UChar * buff, size_t buff_length )

inline

Definition at line 107 of file gfx_layout_icu.cpp.

Member Function Documentation

NextLine()

std::unique_ptr< const ICUParagraphLayout::Line > ICUParagraphLayout::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 404 of file gfx_layout_icu.cpp.

References ICUParagraphLayoutFactory::GetBreakIterator(), ICURun::length, ICURun::Shape(), ICURun::start, and ICURun::total_advance.

Reflow()

void ICUParagraphLayout::Reflow ( )

inlineoverridevirtual

Reset the position to the start of the paragraph.

Implements ParagraphLayouter.

Definition at line 114 of file gfx_layout_icu.cpp.

Field Documentation

buff

UChar* ICUParagraphLayout::buff

private

Definition at line 101 of file gfx_layout_icu.cpp.

buff_length

size_t ICUParagraphLayout::buff_length

private

Definition at line 102 of file gfx_layout_icu.cpp.

current_run

std::vector<ICURun>::iterator ICUParagraphLayout::current_run

private

Definition at line 103 of file gfx_layout_icu.cpp.

partial_offset

int ICUParagraphLayout::partial_offset

private

Definition at line 104 of file gfx_layout_icu.cpp.

runs

std::vector<ICURun> ICUParagraphLayout::runs

private

Definition at line 100 of file gfx_layout_icu.cpp.

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

• src/gfx_layout_icu.cpp