flutter::CanvasImage Class Reference

#include <image.h>

Inheritance diagram for flutter::CanvasImage:

Public Member Functions
	~CanvasImage () override
Dart_Handle	CreateOuterWrapping ()
int	width ()
int	height ()
Dart_Handle	toByteData (int format, Dart_Handle callback)
void	dispose ()
sk_sp< DlImage >	image () const
void	set_image (const sk_sp< DlImage > &image)
int	colorSpace ()
Public Member Functions inherited from flutter::RefCountedDartWrappable< CanvasImage >
virtual void	RetainDartWrappableReference () const override
virtual void	ReleaseDartWrappableReference () const override
Public Member Functions inherited from fml::RefCountedThreadSafe< T >
void	Release () const
Public Member Functions inherited from fml::internal::RefCountedThreadSafeBase
void	AddRef () const
bool	HasOneRef () const
void	AssertHasOneRef () const
Public Member Functions inherited from tonic::DartWrappable
	DartWrappable ()
virtual const DartWrapperInfo &	GetDartWrapperInfo () const =0
Dart_Handle	CreateDartWrapper (DartState *dart_state)
void	AssociateWithDartWrapper (Dart_Handle wrappable)
void	ClearDartWrapper ()
Dart_WeakPersistentHandle	dart_wrapper () const

Static Public Member Functions
static fml::RefPtr< CanvasImage >	Create ()
static void	decodeImageFromPixelsSync (Dart_Handle pixels_handle, uint32_t width, uint32_t height, int32_t pixel_format, Dart_Handle raw_image_handle)

Additional Inherited Members
Public Types inherited from tonic::DartWrappable
enum	DartNativeFields {   kPeerIndex ,   kNumberOfNativeFields }
Protected Member Functions inherited from fml::RefCountedThreadSafe< T >
	RefCountedThreadSafe ()
	~RefCountedThreadSafe ()
Protected Member Functions inherited from fml::internal::RefCountedThreadSafeBase
	RefCountedThreadSafeBase ()
	~RefCountedThreadSafeBase ()
bool	Release () const
void	Adopt ()
Protected Member Functions inherited from tonic::DartWrappable
virtual	~DartWrappable ()
Static Protected Member Functions inherited from tonic::DartWrappable
static Dart_PersistentHandle	GetTypeForWrapper (tonic::DartState *dart_state, const tonic::DartWrapperInfo &wrapper_info)

Detailed Description

Definition at line 29 of file image.h.

Constructor & Destructor Documentation

~CanvasImage()

flutter::CanvasImage::~CanvasImage ( )

overridedefault

Member Function Documentation

colorSpace()

int flutter::CanvasImage::colorSpace

(

)

Definition at line 45 of file image.cc.

                            {
  if (image_->skia_image()) {
    return ColorSpace::kSRGB;
  } else if (image_->impeller_texture()) {
#if IMPELLER_SUPPORTS_RENDERING
    return ImageEncodingImpeller::GetColorSpace(image_->impeller_texture());
#endif  // IMPELLER_SUPPORTS_RENDERING
  }
  return ColorSpace::kSRGB;
}

References flutter::ImageEncodingImpeller::GetColorSpace(), and flutter::kSRGB.

Create()

static fml::RefPtr< CanvasImage > flutter::CanvasImage::Create ( )

inlinestatic

Definition at line 36 of file image.h.

                                         {
    return fml::MakeRefCounted<CanvasImage>();
  }

Referenced by flutter::gpu::Texture::AsImage(), flutter::Picture::DoRasterizeToImage(), and flutter::Picture::RasterizeToImageSync().

CreateOuterWrapping()

Dart_Handle flutter::CanvasImage::CreateOuterWrapping

(

)

Definition at line 31 of file image.cc.

                                             {
  Dart_Handle ui_lib = Dart_LookupLibrary(tonic::ToDart("dart:ui"));
  return tonic::DartInvokeField(ui_lib, "_wrapImage", {ToDart(this)});
}

References tonic::DartInvokeField(), and tonic::ToDart().

decodeImageFromPixelsSync()

void flutter::CanvasImage::decodeImageFromPixelsSync ( Dart_Handle  pixels_handle, uint32_t  width, uint32_t  height, int32_t  pixel_format, Dart_Handle  raw_image_handle  )

static

Definition at line 160 of file image.cc.

                                                                          {
  const char* error = DoDecodeImageFromPixelsSync(
      pixels_handle, width, height, pixel_format, raw_image_handle);
  if (error) {
    Dart_ThrowException(tonic::ToDart(error));
  }
}

References error, height(), tonic::ToDart(), and width().

dispose()

void flutter::CanvasImage::dispose

(

)

Definition at line 40 of file image.cc.

                          {
  image_.reset();
  ClearDartWrapper();
}

References tonic::DartWrappable::ClearDartWrapper().

height()

int flutter::CanvasImage::height ( )

inline

Definition at line 44 of file image.h.

{ return image_ ? image_->height() : 0; }

Referenced by decodeImageFromPixelsSync(), and flutter::testing::TEST_F().

image()

sk_sp< DlImage > flutter::CanvasImage::image ( ) const

inline

Definition at line 56 of file image.h.

{ return image_; }

Referenced by flutter::Canvas::drawAtlas(), flutter::EncodeImage(), set_image(), flutter::testing::TEST_F(), and flutter::testing::TEST_F().

set_image()

void flutter::CanvasImage::set_image ( const sk_sp< DlImage > &  image )

inline

Definition at line 58 of file image.h.

                                              {
    FML_DCHECK(image->isUIThreadSafe());
    image_ = image;
  }

References FML_DCHECK, and image().

toByteData()

Dart_Handle flutter::CanvasImage::toByteData	(	int	format,
		Dart_Handle	callback
	)

Definition at line 36 of file image.cc.

                                                                    {
  return EncodeImage(this, format, callback);
}

References callback, flutter::EncodeImage(), and format.

width()

int flutter::CanvasImage::width ( )

inline

Definition at line 42 of file image.h.

{ return image_ ? image_->width() : 0; }

Referenced by decodeImageFromPixelsSync(), and flutter::testing::TEST_F().

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

• lib/ui/painting/image.h
• lib/ui/painting/image.cc