tonic::DartConverter< flutter::RRect > Struct Reference

#include <rrect.h>

Public Types
using	NativeType = flutter::RRect
using	FfiType = Dart_Handle

Static Public Member Functions
static NativeType	FromDart (Dart_Handle handle)
static NativeType	FromArguments (Dart_NativeArguments args, int index, Dart_Handle &exception)
static NativeType	FromFfi (FfiType val)
static const char *	GetFfiRepresentation ()
static const char *	GetDartRepresentation ()
static bool	AllowedInLeafCall ()

Static Public Attributes
static constexpr const char *	kFfiRepresentation = "Handle"
static constexpr const char *	kDartRepresentation = "Object"
static constexpr bool	kAllowedInLeafCall = false

Detailed Description

Definition at line 26 of file rrect.h.

Member Typedef Documentation

FfiType

using tonic::DartConverter< flutter::RRect >::FfiType = Dart_Handle

Definition at line 28 of file rrect.h.

NativeType

using tonic::DartConverter< flutter::RRect >::NativeType = flutter::RRect

Definition at line 27 of file rrect.h.

Member Function Documentation

AllowedInLeafCall()

static bool tonic::DartConverter< flutter::RRect >::AllowedInLeafCall ( )

inlinestatic

Definition at line 41 of file rrect.h.

{ return kAllowedInLeafCall; }

FromArguments()

RRect tonic::DartConverter< flutter::RRect >::FromArguments ( Dart_NativeArguments  args, int  index, Dart_Handle &  exception  )

static

Definition at line 49 of file rrect.cc.

                                                                           {
  Dart_Handle value = Dart_GetNativeArgument(args, index);
  FML_DCHECK(!CheckAndHandleError(value));
  return FromDart(value);
}

References args, tonic::CheckAndHandleError(), FML_DCHECK, and value.

FromDart()

RRect tonic::DartConverter< flutter::RRect >::FromDart ( Dart_Handle  handle )

static

Definition at line 18 of file rrect.cc.

                                                             {
  Float32List buffer(value);
 
  RRect result;
  result.is_null = true;
  if (buffer.data() == nullptr) {
    return result;
  }
 
  // The Flutter rect may be inverted (upside down, backward, or both)
  // Historically, Skia would normalize such rects but we will do that
  // manually below when we construct the Impeller RoundRect
  flutter::DlRect raw_rect =
      flutter::DlRect::MakeLTRB(buffer[0], buffer[1], buffer[2], buffer[3]);
 
  // Flutter has radii in TL,TR,BR,BL (clockwise) order,
  // but Impeller uses TL,TR,BL,BR (zig-zag) order
  impeller::RoundingRadii radii = {
      .top_left = flutter::DlSize(buffer[4], buffer[5]),
      .top_right = flutter::DlSize(buffer[6], buffer[7]),
      .bottom_left = flutter::DlSize(buffer[10], buffer[11]),
      .bottom_right = flutter::DlSize(buffer[8], buffer[9]),
  };
 
  result.rrect =
      flutter::DlRoundRect::MakeRectRadii(raw_rect.GetPositive(), radii);
 
  result.is_null = false;
  return result;
}

References impeller::TRect< T >::GetPositive(), flutter::RRect::is_null, impeller::TRect< Scalar >::MakeLTRB(), impeller::RoundRect::MakeRectRadii(), flutter::RRect::rrect, impeller::RoundingRadii::top_left, and value.

FromFfi()

static NativeType tonic::DartConverter< flutter::RRect >::FromFfi ( FfiType  val )

inlinestatic

Definition at line 38 of file rrect.h.

{ return FromDart(val); }

GetDartRepresentation()

static const char * tonic::DartConverter< flutter::RRect >::GetDartRepresentation ( )

inlinestatic

Definition at line 40 of file rrect.h.

{ return kDartRepresentation; }

GetFfiRepresentation()

static const char * tonic::DartConverter< flutter::RRect >::GetFfiRepresentation ( )

inlinestatic

Definition at line 39 of file rrect.h.

{ return kFfiRepresentation; }

Member Data Documentation

kAllowedInLeafCall

constexpr bool tonic::DartConverter< flutter::RRect >::kAllowedInLeafCall = false

staticconstexpr

Definition at line 31 of file rrect.h.

kDartRepresentation

constexpr const char* tonic::DartConverter< flutter::RRect >::kDartRepresentation = "Object"

staticconstexpr

Definition at line 30 of file rrect.h.

kFfiRepresentation

constexpr const char* tonic::DartConverter< flutter::RRect >::kFfiRepresentation = "Handle"

staticconstexpr

Definition at line 29 of file rrect.h.

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

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