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)
template<class U >
constexpr	TSize (const TSize< U > &other)
constexpr TSize	operator* (Scalar scale) const
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	Min (const TSize &o) const
constexpr TSize	Max (const TSize &o) const
constexpr TSize	Abs () const
constexpr TSize	Floor () const
constexpr TSize	Ceil () const
constexpr TSize	Round () const
constexpr Type	Area () const
constexpr bool	IsPositive () const
constexpr bool	IsNegative () const
constexpr bool	IsZero () const
constexpr bool	IsEmpty () const
constexpr size_t	MipCount () const

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 18 of file size.h.

Member Typedef Documentation

Type

template<class T >

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

Definition at line 19 of file size.h.

Constructor & Destructor Documentation

TSize() [1/3]

template<class T >

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

inlineconstexpr

Definition at line 24 of file size.h.

{}

TSize() [2/3]

template<class T >

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

inlineconstexpr

Definition at line 26 of file size.h.

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

TSize() [3/3]

template<class T >

template<class U >

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

inlineexplicitconstexpr

Definition at line 29 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 85 of file size.h.

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

Area()

template<class T >

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

inlineconstexpr

Definition at line 97 of file size.h.

{ return width * height; }

Referenced by impeller::DecompressedImage::ConvertToRGBA(), and impeller::TextureDescriptor::GetByteSizeOfBaseMipLevel().

Ceil() [1/2]

template<class T >

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

inlineconstexpr

Definition at line 91 of file size.h.

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

Referenced by impeller::ColorSource::MakeImage().

Ceil() [2/2]

template<class T >

template<class U >

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

inlinestaticconstexpr

Definition at line 108 of file size.h.

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

Floor()

template<class T >

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

inlineconstexpr

Definition at line 87 of file size.h.

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

Infinite()

template<class T >

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

inlinestaticconstexpr

Definition at line 37 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

Definition at line 105 of file size.h.

{ return IsNegative() || IsZero(); }

Referenced by impeller::CanAppendToExistingAtlas(), impeller::RenderTarget::CreateOffscreen(), impeller::RenderTarget::CreateOffscreenMSAA(), impeller::Canvas::DrawImageRect(), impeller::ComputePass::EncodeCommands(), impeller::TRect< Scalar >::IsEmpty(), impeller::PairsFitInAtlasOfSize(), impeller::TextureContents::Render(), and impeller::Picture::ToImage().

IsNegative()

template<class T >

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

inlineconstexpr

Definition at line 101 of file size.h.

{ return width < 0 || height < 0; }

Referenced by impeller::TSize< Type >::IsEmpty().

IsPositive()

template<class T >

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

inlineconstexpr

Definition at line 99 of file size.h.

{ return width > 0 && height > 0; }

Referenced by impeller::TextureDescriptor::IsValid(), and impeller::TSize< Type >::MipCount().

IsZero()

template<class T >

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

inlineconstexpr

Definition at line 103 of file size.h.

{ return width == 0 || height == 0; }

Referenced by impeller::TSize< Type >::IsEmpty(), and impeller::TRect< Scalar >::IsZero().

MakeWH()

template<class T >

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

inlinestaticconstexpr

Definition at line 33 of file size.h.

                                                         {
    return TSize{width, height};
  }

Max()

template<class T >

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

inlineconstexpr

Definition at line 78 of file size.h.

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

Referenced by impeller::Playground::OpenPlaygroundHere().

Min()

template<class T >

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

inlineconstexpr

Definition at line 71 of file size.h.

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

MipCount()

template<class T >

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

inlineconstexpr

Definition at line 113 of file size.h.

                                    {
    constexpr size_t minimum_mip = 1u;
    if (!IsPositive()) {
      return minimum_mip;
    }
    size_t result = std::max(ceil(log2(width)), ceil(log2(height)));
    return std::max(result, minimum_mip);
  }

Referenced by impeller::CreateTextureForDecompressedImage(), and impeller::testing::TEST().

operator!=()

template<class T >

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

inlineconstexpr

Definition at line 59 of file size.h.

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

operator*()

template<class T >

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

inlineconstexpr

Definition at line 42 of file size.h.

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

operator+()

template<class T >

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

inlineconstexpr

Definition at line 63 of file size.h.

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

operator-()

template<class T >

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

inlineconstexpr

Definition at line 67 of file size.h.

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

operator/() [1/2]

template<class T >

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

inlineconstexpr

Definition at line 51 of file size.h.

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

operator/() [2/2]

template<class T >

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

inlineconstexpr

Definition at line 46 of file size.h.

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

operator==()

template<class T >

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

inlineconstexpr

Definition at line 55 of file size.h.

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

Round()

template<class T >

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

inlineconstexpr

Definition at line 93 of file size.h.

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

Member Data Documentation

height

template<class T >

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

Definition at line 22 of file size.h.

Referenced by impeller::TSize< Type >::Abs(), impeller::PathBuilder::AddArc(), impeller::PathBuilder::AddOval(), impeller::PathBuilder::AddRect(), impeller::PathBuilder::AddRoundedRect(), impeller::AllocatedTextureSourceVK::AllocatedTextureSourceVK(), impeller::TSize< Type >::Area(), impeller::CanAppendToExistingAtlas(), impeller::TSize< Type >::Ceil(), impeller::Canvas::ClipRRect(), impeller::CreateAtlasBitmap(), impeller::Allocator::CreateTexture(), impeller::DrawGlyph(), impeller::BlitCopyTextureToTextureCommandGLES::Encode(), impeller::BlitCopyTextureToTextureCommandMTL::Encode(), impeller::BlitCopyTextureToTextureCommandVK::Encode(), impeller::BlitCopyTextureToBufferCommandGLES::Encode(), impeller::BlitCopyTextureToBufferCommandMTL::Encode(), impeller::BlitCopyTextureToBufferCommandVK::Encode(), impeller::TRect< Scalar >::Expand(), impeller::TSize< Type >::Floor(), impeller::TRect< Scalar >::GetBottom(), impeller::TRect< Scalar >::GetTop(), impeller::TSize< Type >::IsNegative(), impeller::TSize< Type >::IsPositive(), impeller::TSize< Type >::IsZero(), impeller::Matrix::MakeOrthographic(), impeller::Matrix::MakePerspective(), impeller::testing::MetalScreenshoter::MakeScreenshot(), impeller::TRect< Scalar >::MakeSize(), impeller::TSize< Type >::MakeWH(), impeller::TSize< Type >::Max(), impeller::TSize< Type >::Min(), impeller::TSize< Type >::MipCount(), impeller::TSize< Type >::operator!=(), impeller::AtlasBlenderKey::Hash::operator()(), impeller::TSize< Type >::operator*(), impeller::TRect< Scalar >::operator*(), impeller::TPoint< Type >::operator*(), impeller::TPoint< Type >::operator*=(), impeller::TSize< Type >::operator+(), impeller::TRect< Scalar >::operator+(), impeller::TPoint< Type >::operator+(), impeller::TPoint< Type >::operator+=(), impeller::TSize< Type >::operator-(), impeller::TRect< Scalar >::operator-(), impeller::TPoint< Type >::operator-(), impeller::operator-(), impeller::TPoint< Type >::operator-=(), impeller::TSize< Type >::operator/(), impeller::TPoint< Type >::operator/(), impeller::operator/(), impeller::TPoint< Type >::operator/=(), std::operator<<(), impeller::TSize< Type >::operator==(), impeller::OptimumAtlasSizeForFontGlyphPairs(), impeller::PairsFitInAtlasOfSize(), impeller::TRect< Scalar >::Project(), RectNear(), impeller::TextContents::Render(), impeller::TSize< Type >::Round(), impeller::TRect< Scalar >::Scale(), impeller::PassBindingsCache::SetScissor(), impeller::PassBindingsCache::SetViewport(), impeller::TRect< Scalar >::Shift(), SizeNear(), impeller::testing::TEST(), impeller::testing::TEST_P(), and impeller::ToMTLTextureDescriptor().

width

template<class T >

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

Definition at line 21 of file size.h.

Referenced by impeller::TSize< Type >::Abs(), impeller::PathBuilder::AddArc(), impeller::PathBuilder::AddOval(), impeller::PathBuilder::AddRect(), impeller::PathBuilder::AddRoundedRect(), impeller::AllocatedTextureSourceVK::AllocatedTextureSourceVK(), impeller::TSize< Type >::Area(), impeller::CanAppendToExistingAtlas(), impeller::TSize< Type >::Ceil(), impeller::Canvas::ClipRRect(), impeller::CreateAtlasBitmap(), impeller::Allocator::CreateTexture(), impeller::DrawGlyph(), impeller::BlitCopyTextureToTextureCommandGLES::Encode(), impeller::BlitCopyTextureToTextureCommandMTL::Encode(), impeller::BlitCopyTextureToTextureCommandVK::Encode(), impeller::BlitCopyTextureToBufferCommandGLES::Encode(), impeller::BlitCopyTextureToBufferCommandMTL::Encode(), impeller::BlitCopyTextureToBufferCommandVK::Encode(), impeller::TRect< Scalar >::Expand(), impeller::TSize< Type >::Floor(), impeller::TextureDescriptor::GetBytesPerRow(), impeller::TRect< Scalar >::GetLeft(), impeller::TRect< Scalar >::GetRight(), impeller::TSize< Type >::IsNegative(), impeller::TSize< Type >::IsPositive(), impeller::TSize< Type >::IsZero(), impeller::Matrix::MakeOrthographic(), impeller::Matrix::MakePerspective(), impeller::testing::MetalScreenshoter::MakeScreenshot(), impeller::TRect< Scalar >::MakeSize(), impeller::TSize< Type >::MakeWH(), impeller::TSize< Type >::Max(), impeller::TSize< Type >::Min(), impeller::TSize< Type >::MipCount(), impeller::TSize< Type >::operator!=(), impeller::AtlasBlenderKey::Hash::operator()(), impeller::TSize< Type >::operator*(), impeller::TRect< Scalar >::operator*(), impeller::TPoint< Type >::operator*(), impeller::TPoint< Type >::operator*=(), impeller::TSize< Type >::operator+(), impeller::TRect< Scalar >::operator+(), impeller::TPoint< Type >::operator+(), impeller::TPoint< Type >::operator+=(), impeller::TSize< Type >::operator-(), impeller::TRect< Scalar >::operator-(), impeller::TPoint< Type >::operator-(), impeller::operator-(), impeller::TPoint< Type >::operator-=(), impeller::TSize< Type >::operator/(), impeller::TPoint< Type >::operator/(), impeller::operator/(), impeller::TPoint< Type >::operator/=(), std::operator<<(), impeller::TSize< Type >::operator==(), impeller::OptimumAtlasSizeForFontGlyphPairs(), impeller::PairsFitInAtlasOfSize(), impeller::TRect< Scalar >::Project(), RectNear(), impeller::TextContents::Render(), impeller::TSize< Type >::Round(), impeller::TRect< Scalar >::Scale(), impeller::PassBindingsCache::SetScissor(), impeller::PassBindingsCache::SetViewport(), impeller::TRect< Scalar >::Shift(), SizeNear(), impeller::testing::TEST(), impeller::testing::TEST_P(), and impeller::ToMTLTextureDescriptor().

---

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

• impeller/geometry/size.h