Classes
struct	FlutterFontCollection

struct	Paragraph

struct	ParagraphBuilder

struct	ParagraphStyle

class	RenderContext

class	sp_wrapper

class	Surface

struct	SurfaceWrapper

struct	TextStyle

class	TextureSourceWrapper

struct	UniformData

Typedefs
using	SkwasmObject = __externref_t

Enumerations
enum class	ImageByteFormat { rawRgba , rawStraightRgba , rawUnmodified , png }

enum class	FilterQuality { none , low , medium , high }

enum class	PixelFormat { rgba8888 , bgra8888 , rgbaFloat32 }

Functions
flutter::DlMatrix	CreateDlMatrixFrom3x3 (const flutter::DlScalar *f)

SkMatrix	CreateSkMatrix (const SkScalar *f)

flutter::DlRect	CreateDlRect (const float *f)

flutter::DlRoundingRadii	CreateDlRadii (const float *f)

flutter::DlRoundRect	CreateDlRRect (const float *f)

SkRRect	CreateSkRRect (const SkScalar *f)

flutter::DlFilterMode	FilterModeForQuality (FilterQuality quality)

flutter::DlImageSampling	SamplingOptionsForQuality (FilterQuality quality)

sk_sp< flutter::DlImage >	MakeImageFromPicture (flutter::DisplayList *display_list, int32_t width, int32_t height)

sk_sp< flutter::DlImage >	MakeImageFromTexture (SkwasmObject texture_source, int width, int height, Skwasm::Surface *surface)

sk_sp< flutter::DlImage >	MakeImageFromPixels (SkData *data, int width, int height, PixelFormat pixel_format, size_t row_byte_count)

sk_sp< flutter::DlRuntimeEffect >	CreateRuntimeEffect (SkString *string)

void	makeCurrent (EMSCRIPTEN_WEBGL_CONTEXT_HANDLE handle)

Variables
uint32_t	live_line_break_buffer_count = 0

uint32_t	live_unicode_position_buffer_count = 0

uint32_t	live_line_metrics_count = 0

uint32_t	live_text_box_list_count = 0

uint32_t	live_paragraph_builder_count = 0

uint32_t	live_paragraph_count = 0

uint32_t	live_strut_style_count = 0

uint32_t	live_text_style_count = 0

uint32_t	live_animated_image_count = 0

uint32_t	live_contour_measure_iter_count = 0

uint32_t	live_contour_measure_count = 0

uint32_t	live_data_count = 0

uint32_t	live_color_filter_count = 0

uint32_t	live_image_filter_count = 0

uint32_t	live_mask_filter_count = 0

uint32_t	live_typeface_count = 0

uint32_t	live_font_collection_count = 0

uint32_t	live_image_count = 0

uint32_t	live_paint_count = 0

uint32_t	live_path_count = 0

uint32_t	live_picture_count = 0

uint32_t	live_picture_recorder_count = 0

uint32_t	live_shader_count = 0

uint32_t	live_runtime_effect_count = 0

uint32_t	live_string_count = 0

uint32_t	live_string16_count = 0

uint32_t	live_surface_count = 0

uint32_t	live_vertices_count = 0

Typedef Documentation

◆ SkwasmObject

using Skwasm::SkwasmObject = typedef __externref_t

Definition at line 18 of file wrappers.h.

Enumeration Type Documentation

◆ FilterQuality

enum class Skwasm::FilterQuality

strong

Enumerator
none
low
medium
high

Definition at line 83 of file helpers.h.

                         {
  none,
  low,
  medium,
  high,
};

◆ ImageByteFormat

enum class Skwasm::ImageByteFormat

strong

Enumerator
rawRgba
rawStraightRgba
rawUnmodified
png

Definition at line 75 of file helpers.h.

                           {
  rawRgba,
  rawStraightRgba,
  rawUnmodified,
  png,
};

◆ PixelFormat

enum class Skwasm::PixelFormat

strong

Enumerator
rgba8888
bgra8888
rgbaFloat32

Definition at line 13 of file images.h.

                       {
  rgba8888,
  bgra8888,
  rgbaFloat32,
};

Function Documentation

◆ CreateDlMatrixFrom3x3()

flutter::DlMatrix Skwasm::CreateDlMatrixFrom3x3 ( const flutter::DlScalar * f )

inline

Definition at line 29 of file helpers.h.

                                                                       {
  // clang-format off
  return flutter::DlMatrix(
    f[0], f[3], 0, f[6],
    f[1], f[4], 0, f[7],
    0, 0, 1, 0,
    f[2], f[5], 0, f[8]
  );
  // clang-format on
}

Referenced by imageFilter_createMatrix(), shader_createConicalGradient(), shader_createFromImage(), shader_createLinearGradient(), shader_createRadialGradient(), and shader_createSweepGradient().

◆ CreateDlRadii()

flutter::DlRoundingRadii Skwasm::CreateDlRadii ( const float * f )

inline

Definition at line 49 of file helpers.h.

                                                            {
  // 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(f[0], f[1]),
      .top_right = flutter::DlSize(f[2], f[3]),
      .bottom_left = flutter::DlSize(f[6], f[7]),
      .bottom_right = flutter::DlSize(f[4], f[5]),
  };
  return radii;
}

References impeller::RoundingRadii::top_left.

Referenced by CreateDlRRect().

◆ CreateDlRect()

flutter::DlRect Skwasm::CreateDlRect ( const float * f )

inline

Definition at line 45 of file helpers.h.

                                                  {
  return flutter::DlRect::MakeLTRB(f[0], f[1], f[2], f[3]);
}

References impeller::TRect< Scalar >::MakeLTRB().

Referenced by CreateDlRRect().

◆ CreateDlRRect()

flutter::DlRoundRect Skwasm::CreateDlRRect ( const float * f )

inline

Definition at line 61 of file helpers.h.

                                                        {
  return flutter::DlRoundRect::MakeRectRadii(CreateDlRect(f),
                                             CreateDlRadii(f + 4));
}

References CreateDlRadii(), CreateDlRect(), and impeller::RoundRect::MakeRectRadii().

Referenced by canvas_clipRRect(), canvas_drawDRRect(), and canvas_drawRRect().

◆ CreateRuntimeEffect()

sk_sp< flutter::DlRuntimeEffect > Skwasm::CreateRuntimeEffect ( SkString * string )

Definition at line 12 of file shaders_impeller.cc.

                                                                    {
  // TODO(jacksongardner): Implement runtime effect for wimp
  // https://github.com/flutter/flutter/issues/175431
  return flutter::DlRuntimeEffectImpeller::Make(nullptr);
}

References flutter::DlRuntimeEffectImpeller::Make().

Referenced by runtimeEffect_create().

◆ CreateSkMatrix()

SkMatrix Skwasm::CreateSkMatrix ( const SkScalar * f )

inline

Definition at line 40 of file helpers.h.

                                                  {
  return SkMatrix::MakeAll(f[0], f[1], f[2], f[3], f[4], f[5], f[6], f[7],
                           f[8]);
}

Referenced by path_addPath(), and path_transform().

◆ CreateSkRRect()

SkRRect Skwasm::CreateSkRRect ( const SkScalar * f )

inline

Definition at line 66 of file helpers.h.

                                                {
  const SkRect* rect = reinterpret_cast<const SkRect*>(f);
  const SkVector* radiiValues = reinterpret_cast<const SkVector*>(f + 4);
  SkRRect rr;
  rr.setRectRadii(*rect, radiiValues);
  return rr;
}

Referenced by path_addRRect().

◆ FilterModeForQuality()

flutter::DlFilterMode Skwasm::FilterModeForQuality ( FilterQuality quality )

inline

Definition at line 90 of file helpers.h.

                                                                       {
  switch (quality) {
    case FilterQuality::none:
      return flutter::DlFilterMode::kNearest;
    case FilterQuality::low:
    case FilterQuality::medium:
    case FilterQuality::high:
      return flutter::DlFilterMode::kLinear;
  }
}

References high, flutter::kLinear, flutter::kNearest, low, medium, and none.

◆ makeCurrent()

void Skwasm::makeCurrent ( EMSCRIPTEN_WEBGL_CONTEXT_HANDLE handle )

inline

Definition at line 26 of file wrappers.h.

                                                                {
  if (!handle)
    return;
 
  int result = emscripten_webgl_make_context_current(handle);
  if (result != EMSCRIPTEN_RESULT_SUCCESS) {
    printf("make_context failed: %d", result);
  }
}

Referenced by Skwasm::Surface::RenderPicturesOnWorker().

◆ MakeImageFromPicture()

sk_sp< flutter::DlImage > Skwasm::MakeImageFromPicture	(	flutter::DisplayList *	display_list,
		int32_t	width,
		int32_t	height
	)

extern

Definition at line 71 of file images_impeller.cc.

                                                             {
  return StubImage::Make(width, height);
}

References height, and width.

Referenced by image_createFromPicture().

◆ MakeImageFromPixels()

sk_sp< flutter::DlImage > Skwasm::MakeImageFromPixels	(	SkData *	data,
		int	width,
		int	height,
		Skwasm::PixelFormat	pixel_format,
		size_t	row_byte_count
	)

extern

Definition at line 84 of file images_impeller.cc.

                                                                   {
  return StubImage::Make(width, height);
}

References height, and width.

Referenced by image_createFromPixels().

◆ MakeImageFromTexture()

sk_sp< flutter::DlImage > Skwasm::MakeImageFromTexture	(	SkwasmObject	texture_source,
		int	width,
		int	height,
		Skwasm::Surface *	surface
	)

extern

Definition at line 77 of file images_impeller.cc.

                                                                     {
  return StubImage::Make(width, height);
}

References height, and width.

Referenced by image_createFromTextureSource().

◆ SamplingOptionsForQuality()

flutter::DlImageSampling Skwasm::SamplingOptionsForQuality ( FilterQuality quality )

inline

Definition at line 101 of file helpers.h.

                           {
  switch (quality) {
    case FilterQuality::none:
      return flutter::DlImageSampling::kNearestNeighbor;
    case FilterQuality::low:
      return flutter::DlImageSampling::kLinear;
    case FilterQuality::medium:
      return flutter::DlImageSampling::kMipmapLinear;
    case FilterQuality::high:
      return flutter::DlImageSampling::kCubic;
  }
}