impeller::TSize< T > Struct Template Reference

#include <size.h>

Public Types
using	Type = T

Public Member Functions
constexpr	TSize ()
constexpr	TSize (Type width, Type height)
constexpr	TSize (Type dimension)
template<class U >
constexpr	TSize (const TSize< U > &other)
constexpr TSize	operator* (Scalar scale) const
template<class U , class = std::enable_if_t<std::is_arithmetic_v<U>>>
TSize	operator*= (U scale)
constexpr TSize	operator/ (Scalar scale) const
constexpr TSize	operator/ (const TSize &s) const
constexpr bool	operator== (const TSize &s) const
constexpr bool	operator!= (const TSize &s) const
constexpr TSize	operator+ (const TSize &s) const
constexpr TSize	operator- (const TSize &s) const
constexpr TSize	operator- () const
constexpr TSize	Min (const TSize &o) const
constexpr TSize	Max (const TSize &o) const
constexpr Type	MinDimension () const
constexpr Type	MaxDimension () const
constexpr TSize	Abs () const
constexpr TSize	Floor () const
constexpr TSize	Ceil () const
constexpr TSize	Round () const
constexpr Type	Area () const
constexpr bool	IsEmpty () const
	Returns true if either of the width or height are 0, negative, or NaN.
	IsFinite () const
constexpr bool	IsSquare () const
constexpr size_t	MipCount () const
	Return the mip count of the texture.

Static Public Member Functions
static constexpr TSize	MakeWH (Type width, Type height)
static constexpr TSize	Infinite ()
template<class U >
static constexpr TSize	Ceil (const TSize< U > &other)

Public Attributes
Type	width = {}
Type	height = {}

Detailed Description

template<class T>
struct impeller::TSize< T >

Definition at line 25 of file size.h.

Member Typedef Documentation

Type

template<class T >

using impeller::TSize< T >::Type = T

Definition at line 26 of file size.h.

Constructor & Destructor Documentation

TSize() [1/4]

template<class T >

constexpr impeller::TSize< T >::TSize ( )

inlineconstexpr

Definition at line 31 of file size.h.

{}

TSize() [2/4]

template<class T >

constexpr impeller::TSize< T >::TSize ( Type  width, Type  height  )

inlineconstexpr

Definition at line 33 of file size.h.

: width(width), height(height) {}

TSize() [3/4]

template<class T >

constexpr impeller::TSize< T >::TSize ( Type  dimension )

inlineexplicitconstexpr

Definition at line 35 of file size.h.

      : width(dimension), height(dimension) {}

TSize() [4/4]

template<class T >

template<class U >

constexpr impeller::TSize< T >::TSize ( const TSize< U > &  other )

inlineexplicitconstexpr

Definition at line 39 of file size.h.

      : TSize(static_cast<Type>(other.width), static_cast<Type>(other.height)) {
  }

Member Function Documentation

Abs()

template<class T >

constexpr TSize impeller::TSize< T >::Abs ( ) const

inlineconstexpr

Definition at line 108 of file size.h.

{ return {std::fabs(width), std::fabs(height)}; }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

Area()

template<class T >

constexpr Type impeller::TSize< T >::Area ( ) const

inlineconstexpr

Definition at line 120 of file size.h.

{ return width * height; }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

Referenced by impeller::DecompressedImage::ConvertToRGBA(), impeller::TextureDescriptor::GetByteSizeOfAllMipLevels(), impeller::TextureDescriptor::GetByteSizeOfBaseMipLevel(), flutter::testing::CanvasCompareTester::showBoundsOverflow(), and impeller::interop::testing::TEST_P().

Ceil() [1/2]

template<class T >

constexpr TSize impeller::TSize< T >::Ceil ( ) const

inlineconstexpr

Definition at line 114 of file size.h.

{ return {std::ceil(width), std::ceil(height)}; }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

Referenced by impeller::AppendToExistingAtlas(), impeller::PairsFitInAtlasOfSize(), and impeller::Contents::RenderToSnapshot().

Ceil() [2/2]

template<class T >

template<class U >

static constexpr TSize impeller::TSize< T >::Ceil ( const TSize< U > &  other )

inlinestaticconstexpr

Definition at line 131 of file size.h.

                                                     {
    return TSize{static_cast<Type>(std::ceil(other.width)),
                 static_cast<Type>(std::ceil(other.height))};
  }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

Floor()

template<class T >

constexpr TSize impeller::TSize< T >::Floor ( ) const

inlineconstexpr

Definition at line 110 of file size.h.

                                {
    return {std::floor(width), std::floor(height)};
  }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

Infinite()

template<class T >

static constexpr TSize impeller::TSize< T >::Infinite ( )

inlinestaticconstexpr

Definition at line 47 of file size.h.

                                    {
    return TSize{std::numeric_limits<Type>::max(),
                 std::numeric_limits<Type>::max()};
  }

IsEmpty()

template<class T >

constexpr bool impeller::TSize< T >::IsEmpty ( ) const

inlineconstexpr

Returns true if either of the width or height are 0, negative, or NaN.

Definition at line 123 of file size.h.

{ return !(width > 0 && height > 0); }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

Referenced by flutter::GPUSurfaceVulkan::AcquireFrame(), impeller::AppendToExistingAtlas(), impeller::RoundingRadii::AreAllCornersEmpty(), impeller::CornerContains(), impeller::TypographerContextSkia::CreateGlyphAtlas(), flutter::testing::EmbedderTestCompositor::EmbedderTestCompositor(), impeller::TextureDescriptor::IsValid(), impeller::RoundSuperellipseParam::MakeBoundsRadii(), impeller::TSize< T >::MipCount(), impeller::NormalizeEmptyToZero(), impeller::PairsFitInAtlasOfSize(), flutter::SurfaceFrame::SurfaceFrame(), and flutter::testing::TestMetalSurfaceImpl::TestMetalSurfaceImpl().

IsFinite()

template<class T >

impeller::TSize< T >::IsFinite ( ) const

inline

Definition at line 126 of file size.h.

{ return std::isfinite(width) && std::isfinite(height); }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

Referenced by impeller::RoundRect::IsFinite(), impeller::RoundSuperellipse::IsFinite(), and impeller::RoundingRadii::IsFinite().

IsSquare()

template<class T >

constexpr bool impeller::TSize< T >::IsSquare ( ) const

inlineconstexpr

Definition at line 128 of file size.h.

{ return width == height; }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

MakeWH()

template<class T >

static constexpr TSize impeller::TSize< T >::MakeWH ( Type  width, Type  height  )

inlinestaticconstexpr

Definition at line 43 of file size.h.

                                                         {
    return TSize{width, height};
  }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

Referenced by impeller::KHRSwapchainImplVK::GetCurrentUnderlyingSurfaceSize(), impeller::android::NativeWindow::GetSize(), impeller::interop::SwapchainVK::SwapchainVK(), and impeller::interop::ToImpellerType().

Max()

template<class T >

constexpr TSize impeller::TSize< T >::Max ( const TSize< T > &  o ) const

inlineconstexpr

Definition at line 97 of file size.h.

                                            {
    return {
        std::max(width, o.width),
        std::max(height, o.height),
    };
  }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

Referenced by impeller::android::HardwareBufferDescriptor::MakeForSwapchainImage(), and impeller::Playground::OpenPlaygroundHere().

MaxDimension()

template<class T >

constexpr Type impeller::TSize< T >::MaxDimension ( ) const

inlineconstexpr

Definition at line 106 of file size.h.

{ return std::max(width, height); }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

Referenced by impeller::ArcStrokeGeometry::Dispatch(), impeller::Tessellator::FilledArc(), impeller::Tessellator::FilledRoundRect(), impeller::StrokePathSegmentReceiver::RecordArc(), and impeller::Tessellator::StrokedArc().

Min()

template<class T >

constexpr TSize impeller::TSize< T >::Min ( const TSize< T > &  o ) const

inlineconstexpr

Definition at line 90 of file size.h.

                                            {
    return {
        std::min(width, o.width),
        std::min(height, o.height),
    };
  }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

MinDimension()

template<class T >

constexpr Type impeller::TSize< T >::MinDimension ( ) const

inlineconstexpr

Definition at line 104 of file size.h.

{ return std::min(width, height); }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

MipCount()

template<class T >

constexpr size_t impeller::TSize< T >::MipCount ( ) const

inlineconstexpr

Return the mip count of the texture.

Definition at line 137 of file size.h.

                                    {
    constexpr size_t minimum_mip = 1u;
    if (IsEmpty() || width <= 0 || height <= 0) {
      return minimum_mip;
    }
    size_t result = std::min(log2(width), log2(height));
    return std::max(result, minimum_mip);
  }

References impeller::TSize< T >::height, impeller::TSize< T >::IsEmpty(), and impeller::TSize< T >::width.

Referenced by impeller::Allocator::CreateTexture(), impeller::CreateTextureForDecompressedImage(), and impeller::testing::TEST_P().

operator!=()

template<class T >

constexpr bool impeller::TSize< T >::operator!= ( const TSize< T > &  s ) const

inlineconstexpr

Definition at line 76 of file size.h.

                                                  {
    return s.width != width || s.height != height;
  }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

operator*()

template<class T >

constexpr TSize impeller::TSize< T >::operator* ( Scalar  scale ) const

inlineconstexpr

Definition at line 52 of file size.h.

                                                {
    return {width * scale, height * scale};
  }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

operator*=()

template<class T >

template<class U , class = std::enable_if_t<std::is_arithmetic_v<U>>>

TSize impeller::TSize< T >::operator*= ( U  scale )

inline

Definition at line 57 of file size.h.

                                   {
    width *= static_cast<Type>(scale);
    height *= static_cast<Type>(scale);
    return *this;
  }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

operator+()

template<class T >

constexpr TSize impeller::TSize< T >::operator+ ( const TSize< T > &  s ) const

inlineconstexpr

Definition at line 80 of file size.h.

                                                  {
    return {width + s.width, height + s.height};
  }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

operator-() [1/2]

template<class T >

constexpr TSize impeller::TSize< T >::operator- ( ) const

inlineconstexpr

Definition at line 88 of file size.h.

{ return {-width, -height}; }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

operator-() [2/2]

template<class T >

constexpr TSize impeller::TSize< T >::operator- ( const TSize< T > &  s ) const

inlineconstexpr

Definition at line 84 of file size.h.

                                                  {
    return {width - s.width, height - s.height};
  }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

operator/() [1/2]

template<class T >

constexpr TSize impeller::TSize< T >::operator/ ( const TSize< T > &  s ) const

inlineconstexpr

Definition at line 68 of file size.h.

                                                  {
    return {width / s.width, height / s.height};
  }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

operator/() [2/2]

template<class T >

constexpr TSize impeller::TSize< T >::operator/ ( Scalar  scale ) const

inlineconstexpr

Definition at line 63 of file size.h.

                                                {
    return {static_cast<Scalar>(width) / scale,
            static_cast<Scalar>(height) / scale};
  }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

operator==()

template<class T >

constexpr bool impeller::TSize< T >::operator== ( const TSize< T > &  s ) const

inlineconstexpr

Definition at line 72 of file size.h.

                                                  {
    return s.width == width && s.height == height;
  }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

Round()

template<class T >

constexpr TSize impeller::TSize< T >::Round ( ) const

inlineconstexpr

Definition at line 116 of file size.h.

                                {
    return {std::round(width), std::round(height)};
  }

References impeller::TSize< T >::height, and impeller::TSize< T >::width.

Member Data Documentation

height

template<class T >

Type impeller::TSize< T >::height = {}

Definition at line 29 of file size.h.

{};

Referenced by impeller::TSize< T >::Abs(), flutter::GPUSurfaceSoftware::AcquireFrame(), impeller::BlitPass::AddCopy(), impeller::AllocatedTextureSourceVK::AllocatedTextureSourceVK(), impeller::AppendToExistingAtlas(), impeller::TSize< T >::Area(), impeller::RoundingRadii::AreAllCornersSame(), impeller::GaussianBlurFilterContents::CalculateUVs(), impeller::TSize< T >::Ceil(), impeller::TSize< T >::Ceil(), impeller::ComputeNextAtlasSize(), flutter::ConvertSize(), impeller::CornerContains(), impeller::RoundRectGeometry::CoversArea(), impeller::FillRoundRectGeometry::CoversArea(), impeller::RoundSuperellipseGeometry::CoversArea(), flutter::testing::TestVulkanSurface::Create(), impeller::Allocator::CreateTexture(), flutter::ImageDecoderImpeller::DecompressTexture(), flutter::testing::DrawCheckerboard(), impeller::EncodeCommandsInReactor(), impeller::TRect< T >::Expand(), impeller::Tessellator::FilledRoundRect(), impeller::TSize< T >::Floor(), flutter::PlatformViewAndroidJNIImpl::FlutterViewOnDisplayPlatformView(), impeller::TextureDescriptor::GetByteSizeOfAllMipLevels(), flutter::testing::TestGPUSurfaceMetalDelegate::GetCAMetalLayer(), flutter::testing::TestGLOnscreenOnlySurface::GetOnscreenSurface(), flutter::testing::GetSurfaceFromTexture(), flutter::testing::GetTestPoints(), impeller::RenderTargetConfig::Hash(), flutter::DlImage::height(), impeller::TSize< T >::IsEmpty(), impeller::TSize< T >::IsFinite(), impeller::RoundRect::IsOval(), impeller::RoundSuperellipse::IsOval(), impeller::TSize< T >::IsSquare(), flutter::MakeBackingStoreConfig(), impeller::RoundSuperellipseParam::MakeBoundsRadii(), impeller::TSize< T >::MakeWH(), impeller::TSize< T >::Max(), impeller::TSize< T >::MaxDimension(), impeller::TSize< T >::Min(), impeller::TSize< T >::MinDimension(), impeller::TSize< T >::MipCount(), flutter::PlatformViewAndroidJNIImpl::onDisplayPlatformView2(), impeller::AiksPlayground::OpenPlaygroundHere(), impeller::DlPlayground::OpenPlaygroundHere(), impeller::TSize< T >::operator!=(), flutter::EmbedderExternalView::RenderTargetDescriptor::Hash::operator()(), impeller::Trig::operator*(), impeller::TPoint< T >::operator*(), impeller::TSize< T >::operator*(), impeller::TPoint< T >::operator*=(), impeller::TSize< T >::operator*=(), impeller::TSize< T >::operator+(), impeller::TPoint< T >::operator+(), impeller::TPoint< T >::operator+=(), impeller::TSize< T >::operator-(), impeller::TSize< T >::operator-(), impeller::TPoint< T >::operator-(), impeller::operator-(), impeller::TPoint< T >::operator-=(), impeller::TSize< T >::operator/(), impeller::TPoint< T >::operator/(), impeller::operator/(), impeller::TSize< T >::operator/(), impeller::operator/(), impeller::TPoint< T >::operator/=(), std::operator<<(), impeller::TSize< T >::operator==(), impeller::PairsFitInAtlasOfSize(), impeller::TSize< T >::Round(), impeller::interop::DisplayListBuilder::Scale(), impeller::TRect< T >::Scale(), impeller::RoundingRadii::Scaled(), flutter::ScreenshotLayerTreeAsPicture(), flutter::testing::CanvasCompareTester::showBoundsOverflow(), SizeNear(), impeller::testing::TEST(), impeller::testing::TEST_P(), impeller::testing::TEST_P(), impeller::interop::testing::TEST_P(), impeller::android::ToAHardwareBufferDesc(), impeller::ToMTLTextureDescriptor(), and impeller::interop::ToSkiaVector().

width

template<class T >

Type impeller::TSize< T >::width = {}

Definition at line 28 of file size.h.

{};

Referenced by impeller::TSize< T >::Abs(), flutter::GPUSurfaceSoftware::AcquireFrame(), impeller::BlitPass::AddCopy(), impeller::AllocatedTextureSourceVK::AllocatedTextureSourceVK(), impeller::AppendToExistingAtlas(), impeller::TSize< T >::Area(), impeller::RoundingRadii::AreAllCornersSame(), impeller::GaussianBlurFilterContents::CalculateUVs(), impeller::TSize< T >::Ceil(), impeller::TSize< T >::Ceil(), impeller::ComputeNextAtlasSize(), flutter::ConvertSize(), impeller::CornerContains(), impeller::RoundRectGeometry::CoversArea(), impeller::FillRoundRectGeometry::CoversArea(), impeller::RoundSuperellipseGeometry::CoversArea(), flutter::testing::TestVulkanSurface::Create(), impeller::Allocator::CreateTexture(), flutter::ImageDecoderImpeller::DecompressTexture(), flutter::testing::DrawCheckerboard(), impeller::TRect< T >::Expand(), impeller::Tessellator::FilledRoundRect(), impeller::TSize< T >::Floor(), flutter::PlatformViewAndroidJNIImpl::FlutterViewOnDisplayPlatformView(), impeller::TextureDescriptor::GetByteSizeOfAllMipLevels(), impeller::TextureDescriptor::GetBytesPerRow(), flutter::testing::TestGPUSurfaceMetalDelegate::GetCAMetalLayer(), flutter::testing::TestGLOnscreenOnlySurface::GetOnscreenSurface(), flutter::testing::GetSurfaceFromTexture(), flutter::testing::GetTestPoints(), impeller::RenderTargetConfig::Hash(), impeller::TSize< T >::IsEmpty(), impeller::TSize< T >::IsFinite(), impeller::RoundRect::IsOval(), impeller::RoundSuperellipse::IsOval(), impeller::TSize< T >::IsSquare(), flutter::MakeBackingStoreConfig(), impeller::RoundSuperellipseParam::MakeBoundsRadii(), impeller::TSize< T >::MakeWH(), impeller::TSize< T >::Max(), impeller::TSize< T >::MaxDimension(), impeller::TSize< T >::Min(), impeller::TSize< T >::MinDimension(), impeller::TSize< T >::MipCount(), flutter::PlatformViewAndroidJNIImpl::onDisplayPlatformView2(), flutter::AndroidSurfaceVKImpeller::OnScreenSurfaceResize(), impeller::AiksPlayground::OpenPlaygroundHere(), impeller::DlPlayground::OpenPlaygroundHere(), impeller::TSize< T >::operator!=(), flutter::EmbedderExternalView::RenderTargetDescriptor::Hash::operator()(), impeller::Trig::operator*(), impeller::TPoint< T >::operator*(), impeller::TSize< T >::operator*(), impeller::TPoint< T >::operator*=(), impeller::TSize< T >::operator*=(), impeller::TSize< T >::operator+(), impeller::TPoint< T >::operator+(), impeller::TPoint< T >::operator+=(), impeller::TSize< T >::operator-(), impeller::TSize< T >::operator-(), impeller::TPoint< T >::operator-(), impeller::operator-(), impeller::TPoint< T >::operator-=(), impeller::TSize< T >::operator/(), impeller::TPoint< T >::operator/(), impeller::operator/(), impeller::TSize< T >::operator/(), impeller::operator/(), impeller::TPoint< T >::operator/=(), std::operator<<(), impeller::TSize< T >::operator==(), impeller::PairsFitInAtlasOfSize(), impeller::TSize< T >::Round(), impeller::interop::DisplayListBuilder::Scale(), impeller::TRect< T >::Scale(), impeller::RoundingRadii::Scaled(), flutter::ScreenshotLayerTreeAsPicture(), flutter::testing::CanvasCompareTester::showBoundsOverflow(), SizeNear(), impeller::testing::TEST(), impeller::testing::TEST_P(), impeller::testing::TEST_P(), impeller::testing::TEST_P(), impeller::interop::testing::TEST_P(), impeller::android::ToAHardwareBufferDesc(), impeller::ToMTLTextureDescriptor(), impeller::interop::ToSkiaVector(), flutter::ImageDecoderImpeller::UploadTextureToStorage(), and flutter::DlImage::width().

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

• impeller/geometry/size.h