flutter::EmbedderExternalTextureMetal Class Reference

#include <embedder_external_texture_metal.h>

Inheritance diagram for flutter::EmbedderExternalTextureMetal:

Public Types
using	ExternalTextureCallback = std::function< std::unique_ptr< FlutterMetalExternalTexture >(int64_t, size_t, size_t)>

Public Member Functions
	EmbedderExternalTextureMetal (int64_t texture_identifier, const ExternalTextureCallback &callback)
	~EmbedderExternalTextureMetal ()
Public Member Functions inherited from flutter::Texture
	Texture (int64_t id)
virtual	~Texture ()
int64_t	Id ()
Public Member Functions inherited from flutter::ContextListener
	ContextListener ()
	~ContextListener ()

Private Member Functions
void	Paint (PaintContext &context, const SkRect &bounds, bool freeze, const DlImageSampling sampling) override
void	OnGrContextCreated () override
void	OnGrContextDestroyed () override
void	MarkNewFrameAvailable () override
void	OnTextureUnregistered () override

Detailed Description

Definition at line 16 of file embedder_external_texture_metal.h.

Member Typedef Documentation

ExternalTextureCallback

using flutter::EmbedderExternalTextureMetal::ExternalTextureCallback = std::function< std::unique_ptr<FlutterMetalExternalTexture>(int64_t, size_t, size_t)>

Definition at line 18 of file embedder_external_texture_metal.h.

Constructor & Destructor Documentation

EmbedderExternalTextureMetal()

flutter::EmbedderExternalTextureMetal::EmbedderExternalTextureMetal	(	int64_t	texture_identifier,
		const ExternalTextureCallback &	callback
	)

Definition at line 26 of file embedder_external_texture_metal.mm.

    : Texture(texture_identifier), external_texture_callback_(callback) {
  FML_DCHECK(external_texture_callback_);
}

~EmbedderExternalTextureMetal()

flutter::EmbedderExternalTextureMetal::~EmbedderExternalTextureMetal ( )

default

Member Function Documentation

MarkNewFrameAvailable()

void flutter::EmbedderExternalTextureMetal::MarkNewFrameAvailable ( )

overrideprivatevirtual

Implements flutter::Texture.

Definition at line 114 of file embedder_external_texture_metal.mm.

                                                         {
  last_image_ = nullptr;
}

OnGrContextCreated()

void flutter::EmbedderExternalTextureMetal::OnGrContextCreated ( )

overrideprivatevirtual

Implements flutter::ContextListener.

Definition at line 108 of file embedder_external_texture_metal.mm.

{}

OnGrContextDestroyed()

void flutter::EmbedderExternalTextureMetal::OnGrContextDestroyed ( )

overrideprivatevirtual

Implements flutter::ContextListener.

Definition at line 111 of file embedder_external_texture_metal.mm.

{}

OnTextureUnregistered()

void flutter::EmbedderExternalTextureMetal::OnTextureUnregistered ( )

overrideprivatevirtual

Implements flutter::Texture.

Definition at line 119 of file embedder_external_texture_metal.mm.

{}

Paint()

void flutter::EmbedderExternalTextureMetal::Paint ( PaintContext &  context, const SkRect &  bounds, bool  freeze, const DlImageSampling  sampling  )

overrideprivatevirtual

Implements flutter::Texture.

Definition at line 35 of file embedder_external_texture_metal.mm.

                                                                         {
  if (last_image_ == nullptr) {
    last_image_ =
        ResolveTexture(Id(), context.gr_context, SkISize::Make(bounds.width(), bounds.height()));
  }
 
  DlCanvas* canvas = context.canvas;
  const DlPaint* paint = context.paint;
 
  if (last_image_) {
    SkRect image_bounds = SkRect::Make(last_image_->bounds());
    if (bounds != image_bounds) {
      canvas->DrawImageRect(last_image_, image_bounds, bounds, sampling, paint);
    } else {
      canvas->DrawImage(last_image_, {bounds.x(), bounds.y()}, sampling, paint);
    }
  }
}

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

• shell/platform/embedder/embedder_external_texture_metal.h
• shell/platform/embedder/embedder_external_texture_metal.mm