impeller::interop::ParagraphBuilder Class Reference

#include <paragraph_builder.h>

Inheritance diagram for impeller::interop::ParagraphBuilder:

Public Member Functions
	ParagraphBuilder (const TypographyContext &context)
	~ParagraphBuilder () override
	ParagraphBuilder (const ParagraphBuilder &)=delete
ParagraphBuilder &	operator= (const ParagraphBuilder &)=delete
bool	IsValid () const
void	PushStyle (const ParagraphStyle &style)
void	PopStyle ()
void	AddText (const uint8_t *data, size_t byte_length)
ScopedObject< Paragraph >	Build (Scalar width) 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< ParagraphBuilder, IMPELLER_INTERNAL_HANDLE_NAME(ImpellerParagraphBuilder)>
using	InteropClass = ParagraphBuilder
using	InteropCSibling = IMPELLER_INTERNAL_HANDLE_NAME(ImpellerParagraphBuilder)
Static Public Member Functions inherited from impeller::interop::ObjectBase
static void	SafeRetain (void *ptr)
static void	SafeRelease (void *ptr)

Detailed Description

Definition at line 19 of file paragraph_builder.h.

Constructor & Destructor Documentation

ParagraphBuilder() [1/2]

impeller::interop::ParagraphBuilder::ParagraphBuilder ( const TypographyContext &  context )

explicit

Definition at line 13 of file paragraph_builder.cc.

                                                                   {
  if (!context.IsValid()) {
    VALIDATION_LOG << "Invalid typography context.";
    return;
  }
 
  static txt::ParagraphStyle kBaseStyle;
 
  builder_ = std::make_unique<txt::ParagraphBuilderSkia>(
      kBaseStyle,                   //
      context.GetFontCollection(),  //
      true                          // is impeller enabled
  );
}

References impeller::interop::TypographyContext::GetFontCollection(), impeller::interop::TypographyContext::IsValid(), and VALIDATION_LOG.

~ParagraphBuilder()

impeller::interop::ParagraphBuilder::~ParagraphBuilder ( )

overridedefault

ParagraphBuilder() [2/2]

impeller::interop::ParagraphBuilder::ParagraphBuilder ( const ParagraphBuilder &  )

delete

Member Function Documentation

AddText()

void impeller::interop::ParagraphBuilder::AddText	(	const uint8_t *	data,
		size_t	byte_length
	)

Definition at line 42 of file paragraph_builder.cc.

                                                                      {
  builder_->AddText(data, byte_length);
}

References data.

Build()

ScopedObject< Paragraph > impeller::interop::ParagraphBuilder::Build

(

Scalar

width

)

const

Definition at line 46 of file paragraph_builder.cc.

                                                                  {
  auto txt_paragraph = builder_->Build();
  if (!txt_paragraph) {
    return nullptr;
  }
  txt_paragraph->Layout(width);
  return Create<Paragraph>(std::move(txt_paragraph));
}

IsValid()

bool impeller::interop::ParagraphBuilder::IsValid

(

)

const

Definition at line 30 of file paragraph_builder.cc.

                                     {
  return !!builder_;
}

operator=()

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

delete

PopStyle()

void impeller::interop::ParagraphBuilder::PopStyle

(

)

Definition at line 38 of file paragraph_builder.cc.

                                {
  builder_->Pop();
}

PushStyle()

void impeller::interop::ParagraphBuilder::PushStyle

(

const ParagraphStyle &

style

)

Definition at line 34 of file paragraph_builder.cc.

                                                            {
  builder_->PushStyle(style.CreateTextStyle());
}

References impeller::interop::ParagraphStyle::CreateTextStyle().

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

• impeller/toolkit/interop/paragraph_builder.h
• impeller/toolkit/interop/paragraph_builder.cc