#include <paragraph.h>

Inheritance diagram for impeller::interop::Paragraph:

Public Member Functions
	Paragraph (std::unique_ptr< txt::Paragraph > paragraph)

	~Paragraph () override

	Paragraph (const Paragraph &)=delete

Paragraph &	operator= (const Paragraph &)=delete

Scalar	GetMaxWidth () const

Scalar	GetHeight () const

Scalar	GetLongestLineWidth () const

Scalar	GetMinIntrinsicWidth () const

Scalar	GetMaxIntrinsicWidth () const

Scalar	GetIdeographicBaseline () const

Scalar	GetAlphabeticBaseline () const

uint32_t	GetLineCount () const

const std::unique_ptr< txt::Paragraph > &	GetHandle () const

ScopedObject< LineMetrics >	GetLineMetrics () const

ScopedObject< GlyphInfo >	GetGlyphInfoAtCodeUnitIndex (size_t code_unit_index) const

ScopedObject< GlyphInfo >	GetClosestGlyphInfoAtParagraphCoordinates (double x, double y) const

ImpellerRange	GetWordBoundary (size_t code_unit_index) const

Public Member Functions inherited from impeller::interop::ObjectBase
	ObjectBase ()=default

virtual	~ObjectBase ()=default

	ObjectBase (const ObjectBase &)=delete

	ObjectBase (ObjectBase &&)=delete

ObjectBase &	operator= (const ObjectBase &)=delete

ObjectBase &	operator= (ObjectBase &&)=delete

void	Retain ()

void	Release ()

uint64_t	GetRefCountForTests () const

Additional Inherited Members
Public Types inherited from impeller::interop::Object< Paragraph, IMPELLER_INTERNAL_HANDLE_NAME(ImpellerParagraph)>
using	InteropClass = Paragraph

using	InteropCSibling = IMPELLER_INTERNAL_HANDLE_NAME(ImpellerParagraph)

Static Public Member Functions inherited from impeller::interop::ObjectBase
static void	SafeRetain (void *ptr)

static void	SafeRelease (void *ptr)

Detailed Description

An immutable fully laid out paragraph.

Definition at line 19 of file paragraph.h.

Constructor & Destructor Documentation

◆ Paragraph() [1/2]

impeller::interop::Paragraph::Paragraph ( std::unique_ptr< txt::Paragraph > paragraph )

explicit

Definition at line 9 of file paragraph.cc.

10 : paragraph_(std::move(paragraph)) {}

◆ ~Paragraph()

impeller::interop::Paragraph::~Paragraph ( )

overridedefault

◆ Paragraph() [2/2]

impeller::interop::Paragraph::Paragraph ( const Paragraph & )

delete

Member Function Documentation

◆ GetAlphabeticBaseline()

Scalar impeller::interop::Paragraph::GetAlphabeticBaseline ( ) const

Definition at line 38 of file paragraph.cc.

                                              {
  return paragraph_->GetAlphabeticBaseline();
}

◆ GetClosestGlyphInfoAtParagraphCoordinates()

ScopedObject< GlyphInfo > impeller::interop::Paragraph::GetClosestGlyphInfoAtParagraphCoordinates	(	double	x,
		double	y
	)		const

Definition at line 70 of file paragraph.cc.

                    {
  skia::textlayout::Paragraph::GlyphInfo info = {};
  if (paragraph_->GetClosestGlyphInfoAtCoordinate(x, y, &info)) {
    return Create<GlyphInfo>(info);
  }
  return nullptr;
}

References x, and y.

◆ GetGlyphInfoAtCodeUnitIndex()

ScopedObject< GlyphInfo > impeller::interop::Paragraph::GetGlyphInfoAtCodeUnitIndex ( size_t code_unit_index ) const

Definition at line 61 of file paragraph.cc.

                                  {
  skia::textlayout::Paragraph::GlyphInfo info = {};
  if (paragraph_->GetGlyphInfoAt(code_unit_index, &info)) {
    return Create<GlyphInfo>(info);
  }
  return nullptr;
}

◆ GetHandle()

const std::unique_ptr< txt::Paragraph > & impeller::interop::Paragraph::GetHandle ( ) const

Definition at line 46 of file paragraph.cc.

                                                              {
  return paragraph_;
}

Referenced by impeller::interop::DisplayListBuilder::DrawParagraph().

◆ GetHeight()

Scalar impeller::interop::Paragraph::GetHeight ( ) const

Definition at line 18 of file paragraph.cc.

                                  {
  return paragraph_->GetHeight();
}

◆ GetIdeographicBaseline()

Scalar impeller::interop::Paragraph::GetIdeographicBaseline ( ) const

Definition at line 34 of file paragraph.cc.

                                               {
  return paragraph_->GetIdeographicBaseline();
}

◆ GetLineCount()

uint32_t impeller::interop::Paragraph::GetLineCount ( ) const

Definition at line 42 of file paragraph.cc.

                                       {
  return paragraph_->GetNumberOfLines();
}

◆ GetLineMetrics()

ScopedObject< LineMetrics > impeller::interop::Paragraph::GetLineMetrics ( ) const

Definition at line 50 of file paragraph.cc.

                                                          {
  // Line metrics are expensive to calculate and the recommendation is that
  // the metric after each layout must be cached. But interop::Paragraphs are
  // immutable. So do the caching on behalf of the caller.
  if (lazy_line_metrics_) {
    return lazy_line_metrics_;
  }
  lazy_line_metrics_ = Create<LineMetrics>(paragraph_->GetLineMetrics());
  return lazy_line_metrics_;
}

◆ GetLongestLineWidth()

Scalar impeller::interop::Paragraph::GetLongestLineWidth ( ) const

Definition at line 22 of file paragraph.cc.

                                            {
  return paragraph_->GetLongestLine();
}

◆ GetMaxIntrinsicWidth()

Scalar impeller::interop::Paragraph::GetMaxIntrinsicWidth ( ) const

Definition at line 30 of file paragraph.cc.

                                             {
  return paragraph_->GetMaxIntrinsicWidth();
}

◆ GetMaxWidth()

Scalar impeller::interop::Paragraph::GetMaxWidth ( ) const

Definition at line 14 of file paragraph.cc.

                                    {
  return paragraph_->GetMaxWidth();
}

◆ GetMinIntrinsicWidth()

Scalar impeller::interop::Paragraph::GetMinIntrinsicWidth ( ) const

Definition at line 26 of file paragraph.cc.

                                             {
  return paragraph_->GetMinIntrinsicWidth();
}

◆ GetWordBoundary()

ImpellerRange impeller::interop::Paragraph::GetWordBoundary ( size_t code_unit_index ) const

Definition at line 80 of file paragraph.cc.

                                                                     {
  const auto range = paragraph_->GetWordBoundary(code_unit_index);
  return ImpellerRange{range.start, range.end};
}

References ImpellerRange::start.

◆ operator=()

Paragraph & impeller::interop::Paragraph::operator= ( const Paragraph & )