Flutter Impeller
Public Types | Public Member Functions | Static Public Member Functions | Public Attributes | List of all members
impeller::TRect< T > Struct Template Reference

#include <rect.h>

Public Types

using Type = T
 

Public Member Functions

constexpr TRect ()
 
constexpr TRect (TSize< Type > size)
 
constexpr TRect (TPoint< Type > origin, TSize< Type > size)
 
constexpr TRect (const Type components[4])
 
constexpr TRect (Type x, Type y, Type width, Type height)
 
template<class U >
constexpr TRect (const TRect< U > &other)
 
constexpr TRect operator+ (const TRect &r) const
 
constexpr TRect operator- (const TRect &r) const
 
constexpr TRect operator* (Type scale) const
 
constexpr TRect operator* (const TRect &r) const
 
constexpr bool operator== (const TRect &r) const
 
constexpr TRect Scale (Type scale) const
 
constexpr TRect Scale (TPoint< T > scale) const
 
constexpr TRect Scale (TSize< T > scale) const
 
constexpr bool Contains (const TPoint< Type > &p) const
 
constexpr bool Contains (const TRect &o) const
 
constexpr bool IsZero () const
 
constexpr bool IsEmpty () const
 
constexpr bool IsMaximum () const
 
constexpr auto GetLeft () const
 
constexpr auto GetTop () const
 
constexpr auto GetRight () const
 
constexpr auto GetBottom () const
 
constexpr TPoint< T > GetLeftTop () const
 
constexpr TPoint< T > GetRightTop () const
 
constexpr TPoint< T > GetLeftBottom () const
 
constexpr TPoint< T > GetRightBottom () const
 
constexpr std::array< T, 4 > GetLTRB () const
 
constexpr TRect GetPositive () const
 Get a version of this rectangle that has a non-negative size. More...
 
constexpr std::array< TPoint< T >, 4 > GetPoints () const
 Get the points that represent the 4 corners of this rectangle. The order is: Top left, top right, bottom left, bottom right. More...
 
constexpr std::array< TPoint< T >, 4 > GetTransformedPoints (const Matrix &transform) const
 
constexpr TRect TransformBounds (const Matrix &transform) const
 Creates a new bounding box that contains this transformed rectangle. More...
 
constexpr TRect Union (const TRect &o) const
 
constexpr std::optional< TRect< T > > Intersection (const TRect &o) const
 
constexpr bool IntersectsWithRect (const TRect &o) const
 
constexpr std::optional< TRect< T > > Cutout (const TRect &o) const
 Returns the new boundary rectangle that would result from the rectangle being cutout by a second rectangle. More...
 
constexpr TRect< T > Shift (TPoint< T > offset) const
 Returns a new rectangle translated by the given offset. More...
 
constexpr TRect< T > Expand (T left, T top, T right, T bottom) const
 Returns a rectangle with expanded edges. Negative expansion results in shrinking. More...
 
constexpr TRect< T > Expand (T amount) const
 Returns a rectangle with expanded edges in all directions. Negative expansion results in shrinking. More...
 
constexpr TRect< T > Project (TRect< T > source) const
 Returns a new rectangle that represents the projection of the source rectangle onto this rectangle. In other words, the source rectangle is redefined in terms of the corrdinate space of this rectangle. More...
 

Static Public Member Functions

constexpr static TRect MakeLTRB (Type left, Type top, Type right, Type bottom)
 
constexpr static TRect MakeXYWH (Type x, Type y, Type width, Type height)
 
template<class U >
constexpr static TRect MakeSize (const TSize< U > &size)
 
template<typename PointIter >
constexpr static std::optional< TRect > MakePointBounds (const PointIter first, const PointIter last)
 
constexpr static TRect MakeMaximum ()
 

Public Attributes

TPoint< Type > origin
 
TSize< Type > size
 

Detailed Description

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

Definition at line 20 of file rect.h.

Member Typedef Documentation

◆ Type

template<class T >
using impeller::TRect< T >::Type = T

Definition at line 21 of file rect.h.

Constructor & Destructor Documentation

◆ TRect() [1/6]

template<class T >
constexpr impeller::TRect< T >::TRect ( )
inlineconstexpr

Definition at line 26 of file rect.h.

26 : origin({0, 0}), size({0, 0}) {}

Referenced by impeller::TRect< Scalar >::Expand(), impeller::TRect< Scalar >::MakeLTRB(), impeller::TRect< Scalar >::MakeSize(), impeller::TRect< Scalar >::MakeXYWH(), impeller::TRect< Scalar >::operator*(), impeller::TRect< Scalar >::operator+(), impeller::TRect< Scalar >::operator-(), impeller::TRect< Scalar >::Scale(), and impeller::TRect< Scalar >::Shift().

◆ TRect() [2/6]

template<class T >
constexpr impeller::TRect< T >::TRect ( TSize< Type >  size)
inlineconstexpr

Definition at line 28 of file rect.h.

28 : origin({0.0, 0.0}), size(size) {}

◆ TRect() [3/6]

template<class T >
constexpr impeller::TRect< T >::TRect ( TPoint< Type >  origin,
TSize< Type >  size 
)
inlineconstexpr

Definition at line 30 of file rect.h.

31  : origin(origin), size(size) {}

◆ TRect() [4/6]

template<class T >
constexpr impeller::TRect< T >::TRect ( const Type  components[4])
inlineconstexpr

Definition at line 33 of file rect.h.

34  : origin(components[0], components[1]),
35  size(components[2], components[3]) {}

◆ TRect() [5/6]

template<class T >
constexpr impeller::TRect< T >::TRect ( Type  x,
Type  y,
Type  width,
Type  height 
)
inlineconstexpr

Definition at line 37 of file rect.h.

38  : origin(x, y), size(width, height) {}

◆ TRect() [6/6]

template<class T >
template<class U >
constexpr impeller::TRect< T >::TRect ( const TRect< U > &  other)
inlineexplicitconstexpr

Definition at line 83 of file rect.h.

84  : origin(static_cast<TPoint<Type>>(other.origin)),
85  size(static_cast<TSize<Type>>(other.size)) {}

Member Function Documentation

◆ Contains() [1/2]

template<class T >
constexpr bool impeller::TRect< T >::Contains ( const TPoint< Type > &  p) const
inlineconstexpr

Definition at line 122 of file rect.h.

122  {
123  return p.x >= GetLeft() && p.x < GetRight() && p.y >= GetTop() &&
124  p.y < GetBottom();
125  }

Referenced by impeller::RectGeometry::CoversArea(), impeller::FillPathGeometry::CoversArea(), and impeller::testing::TEST().

◆ Contains() [2/2]

template<class T >
constexpr bool impeller::TRect< T >::Contains ( const TRect< T > &  o) const
inlineconstexpr

Definition at line 127 of file rect.h.

127  {
128  return Union(o).size == size;
129  }

◆ Cutout()

template<class T >
constexpr std::optional<TRect<T> > impeller::TRect< T >::Cutout ( const TRect< T > &  o) const
inlineconstexpr

Returns the new boundary rectangle that would result from the rectangle being cutout by a second rectangle.

Definition at line 240 of file rect.h.

240  {
241  const auto& [a_left, a_top, a_right, a_bottom] = GetLTRB(); // Source rect.
242  const auto& [b_left, b_top, b_right, b_bottom] = o.GetLTRB(); // Cutout.
243  if (b_left <= a_left && b_right >= a_right) {
244  if (b_top <= a_top && b_bottom >= a_bottom) {
245  // Full cutout.
246  return std::nullopt;
247  }
248  if (b_top <= a_top && b_bottom > a_top) {
249  // Cuts off the top.
250  return TRect::MakeLTRB(a_left, b_bottom, a_right, a_bottom);
251  }
252  if (b_bottom >= a_bottom && b_top < a_bottom) {
253  // Cuts out the bottom.
254  return TRect::MakeLTRB(a_left, a_top, a_right, b_top);
255  }
256  }
257  if (b_top <= a_top && b_bottom >= a_bottom) {
258  if (b_left <= a_left && b_right > a_left) {
259  // Cuts out the left.
260  return TRect::MakeLTRB(b_right, a_top, a_right, a_bottom);
261  }
262  if (b_right >= a_right && b_left < a_right) {
263  // Cuts out the right.
264  return TRect::MakeLTRB(a_left, a_top, b_left, a_bottom);
265  }
266  }
267 
268  return *this;
269  }

Referenced by impeller::testing::TEST().

◆ Expand() [1/2]

template<class T >
constexpr TRect<T> impeller::TRect< T >::Expand ( T  amount) const
inlineconstexpr

Returns a rectangle with expanded edges in all directions. Negative expansion results in shrinking.

Definition at line 288 of file rect.h.

288  {
289  return TRect(origin.x - amount, //
290  origin.y - amount, //
291  size.width + amount * 2, //
292  size.height + amount * 2);
293  }

◆ Expand() [2/2]

template<class T >
constexpr TRect<T> impeller::TRect< T >::Expand ( T  left,
T  top,
T  right,
T  bottom 
) const
inlineconstexpr

Returns a rectangle with expanded edges. Negative expansion results in shrinking.

Definition at line 279 of file rect.h.

279  {
280  return TRect(origin.x - left, //
281  origin.y - top, //
282  size.width + left + right, //
283  size.height + top + bottom);
284  }

Referenced by impeller::Canvas::ClipRRect().

◆ GetBottom()

template<class T >
constexpr auto impeller::TRect< T >::GetBottom ( ) const
inlineconstexpr

Definition at line 158 of file rect.h.

158  {
159  if (IsMaximum()) {
160  return std::numeric_limits<Type>::infinity();
161  }
162  return std::max(origin.y, origin.y + size.height);
163  }

Referenced by impeller::Canvas::Canvas(), impeller::Canvas::ClipRRect(), impeller::TRect< Scalar >::Contains(), impeller::DlDispatcher::drawDisplayList(), impeller::NinePatchConverter::DrawNinePatch(), impeller::TRect< Scalar >::GetLeftBottom(), impeller::TRect< Scalar >::GetLTRB(), and impeller::TRect< Scalar >::GetRightBottom().

◆ GetLeft()

template<class T >
constexpr auto impeller::TRect< T >::GetLeft ( ) const
inlineconstexpr

Definition at line 137 of file rect.h.

137  {
138  if (IsMaximum()) {
139  return -std::numeric_limits<Type>::infinity();
140  }
141  return std::min(origin.x, origin.x + size.width);
142  }

Referenced by impeller::Canvas::Canvas(), impeller::Canvas::ClipRRect(), impeller::TRect< Scalar >::Contains(), impeller::DlDispatcher::drawDisplayList(), impeller::DrawGlyph(), impeller::NinePatchConverter::DrawNinePatch(), impeller::TRect< Scalar >::GetLeftBottom(), impeller::TRect< Scalar >::GetLeftTop(), and impeller::TRect< Scalar >::GetLTRB().

◆ GetLeftBottom()

template<class T >
constexpr TPoint<T> impeller::TRect< T >::GetLeftBottom ( ) const
inlineconstexpr

Definition at line 169 of file rect.h.

169 { return {GetLeft(), GetBottom()}; }

◆ GetLeftTop()

template<class T >
constexpr TPoint<T> impeller::TRect< T >::GetLeftTop ( ) const
inlineconstexpr

Definition at line 165 of file rect.h.

165 { return {GetLeft(), GetTop()}; }

◆ GetLTRB()

template<class T >
constexpr std::array<T, 4> impeller::TRect< T >::GetLTRB ( ) const
inlineconstexpr

Definition at line 175 of file rect.h.

175  {
176  return {GetLeft(), GetTop(), GetRight(), GetBottom()};
177  }

Referenced by impeller::TRect< Scalar >::Cutout(), impeller::TRect< Scalar >::GetPoints(), impeller::TRect< Scalar >::GetPositive(), impeller::TRect< Scalar >::Intersection(), and impeller::TRect< Scalar >::Union().

◆ GetPoints()

template<class T >
constexpr std::array<TPoint<T>, 4> impeller::TRect< T >::GetPoints ( ) const
inlineconstexpr

Get the points that represent the 4 corners of this rectangle. The order is: Top left, top right, bottom left, bottom right.

Definition at line 187 of file rect.h.

187  {
188  auto [left, top, right, bottom] = GetLTRB();
189  return {TPoint(left, top), TPoint(right, top), TPoint(left, bottom),
190  TPoint(right, bottom)};
191  }

Referenced by impeller::ComputeUVGeometryForRect(), impeller::TRect< Scalar >::GetTransformedPoints(), impeller::ClipContents::Render(), and impeller::testing::TEST().

◆ GetPositive()

template<class T >
constexpr TRect impeller::TRect< T >::GetPositive ( ) const
inlineconstexpr

Get a version of this rectangle that has a non-negative size.

Definition at line 180 of file rect.h.

180  {
181  auto ltrb = GetLTRB();
182  return MakeLTRB(ltrb[0], ltrb[1], ltrb[2], ltrb[3]);
183  }

Referenced by impeller::testing::TEST().

◆ GetRight()

template<class T >
constexpr auto impeller::TRect< T >::GetRight ( ) const
inlineconstexpr

Definition at line 151 of file rect.h.

151  {
152  if (IsMaximum()) {
153  return std::numeric_limits<Type>::infinity();
154  }
155  return std::max(origin.x, origin.x + size.width);
156  }

Referenced by impeller::Canvas::Canvas(), impeller::Canvas::ClipRRect(), impeller::TRect< Scalar >::Contains(), impeller::DlDispatcher::drawDisplayList(), impeller::NinePatchConverter::DrawNinePatch(), impeller::TRect< Scalar >::GetLTRB(), impeller::TRect< Scalar >::GetRightBottom(), and impeller::TRect< Scalar >::GetRightTop().

◆ GetRightBottom()

template<class T >
constexpr TPoint<T> impeller::TRect< T >::GetRightBottom ( ) const
inlineconstexpr

Definition at line 171 of file rect.h.

171  {
172  return {GetRight(), GetBottom()};
173  }

◆ GetRightTop()

template<class T >
constexpr TPoint<T> impeller::TRect< T >::GetRightTop ( ) const
inlineconstexpr

Definition at line 167 of file rect.h.

167 { return {GetRight(), GetTop()}; }

◆ GetTop()

template<class T >
constexpr auto impeller::TRect< T >::GetTop ( ) const
inlineconstexpr

Definition at line 144 of file rect.h.

144  {
145  if (IsMaximum()) {
146  return -std::numeric_limits<Type>::infinity();
147  }
148  return std::min(origin.y, origin.y + size.height);
149  }

Referenced by impeller::Canvas::Canvas(), impeller::Canvas::ClipRRect(), impeller::TRect< Scalar >::Contains(), impeller::DlDispatcher::drawDisplayList(), impeller::DrawGlyph(), impeller::NinePatchConverter::DrawNinePatch(), impeller::TRect< Scalar >::GetLeftTop(), impeller::TRect< Scalar >::GetLTRB(), and impeller::TRect< Scalar >::GetRightTop().

◆ GetTransformedPoints()

template<class T >
constexpr std::array<TPoint<T>, 4> impeller::TRect< T >::GetTransformedPoints ( const Matrix &  transform) const
inlineconstexpr

Definition at line 193 of file rect.h.

194  {
195  auto points = GetPoints();
196  for (size_t i = 0; i < points.size(); i++) {
197  points[i] = transform * points[i];
198  }
199  return points;
200  }

Referenced by impeller::Snapshot::GetCoverageUVs(), impeller::AtlasContents::Render(), impeller::AtlasTextureContents::Render(), impeller::AtlasColorContents::Render(), impeller::testing::TEST(), and impeller::TRect< Scalar >::TransformBounds().

◆ Intersection()

template<class T >
constexpr std::optional<TRect<T> > impeller::TRect< T >::Intersection ( const TRect< T > &  o) const
inlineconstexpr

Definition at line 219 of file rect.h.

219  {
220  auto this_ltrb = GetLTRB();
221  auto other_ltrb = o.GetLTRB();
222  auto intersection =
223  TRect::MakeLTRB(std::max(this_ltrb[0], other_ltrb[0]), //
224  std::max(this_ltrb[1], other_ltrb[1]), //
225  std::min(this_ltrb[2], other_ltrb[2]), //
226  std::min(this_ltrb[3], other_ltrb[3]) //
227  );
228  if (intersection.size.IsEmpty()) {
229  return std::nullopt;
230  }
231  return intersection;
232  }

Referenced by impeller::AdvancedBlend(), impeller::TRect< Scalar >::IntersectsWithRect(), impeller::PipelineBlend(), and impeller::testing::TEST().

◆ IntersectsWithRect()

template<class T >
constexpr bool impeller::TRect< T >::IntersectsWithRect ( const TRect< T > &  o) const
inlineconstexpr

Definition at line 234 of file rect.h.

234  {
235  return Intersection(o).has_value();
236  }

Referenced by impeller::testing::TEST().

◆ IsEmpty()

template<class T >
constexpr bool impeller::TRect< T >::IsEmpty ( ) const
inlineconstexpr

Definition at line 133 of file rect.h.

133 { return size.IsEmpty(); }

Referenced by impeller::NinePatchConverter::DrawNinePatch(), and impeller::TextureContents::Render().

◆ IsMaximum()

template<class T >
constexpr bool impeller::TRect< T >::IsMaximum ( ) const
inlineconstexpr

Definition at line 135 of file rect.h.

135 { return *this == MakeMaximum(); }

Referenced by impeller::TRect< Scalar >::GetBottom(), impeller::TRect< Scalar >::GetLeft(), impeller::TRect< Scalar >::GetRight(), and impeller::TRect< Scalar >::GetTop().

◆ IsZero()

template<class T >
constexpr bool impeller::TRect< T >::IsZero ( ) const
inlineconstexpr

Definition at line 131 of file rect.h.

131 { return size.IsZero(); }

◆ MakeLTRB()

template<class T >
constexpr static TRect impeller::TRect< T >::MakeLTRB ( Type  left,
Type  top,
Type  right,
Type  bottom 
)
inlinestaticconstexpr

Definition at line 40 of file rect.h.

43  {
44  return TRect(left, top, right - left, bottom - top);
45  }

Referenced by impeller::TRect< Scalar >::Cutout(), impeller::TRect< Scalar >::GetPositive(), impeller::TRect< Scalar >::Intersection(), impeller::TRect< Scalar >::MakeMaximum(), impeller::TRect< Scalar >::MakePointBounds(), and impeller::TRect< Scalar >::Union().

◆ MakeMaximum()

template<class T >
constexpr static TRect impeller::TRect< T >::MakeMaximum ( )
inlinestaticconstexpr

Definition at line 75 of file rect.h.

75  {
76  return TRect::MakeLTRB(-std::numeric_limits<Type>::infinity(),
77  -std::numeric_limits<Type>::infinity(),
78  std::numeric_limits<Type>::infinity(),
79  std::numeric_limits<Type>::infinity());
80  }

Referenced by impeller::TRect< Scalar >::IsMaximum().

◆ MakePointBounds()

template<class T >
template<typename PointIter >
constexpr static std::optional<TRect> impeller::TRect< T >::MakePointBounds ( const PointIter  first,
const PointIter  last 
)
inlinestaticconstexpr

Definition at line 57 of file rect.h.

58  {
59  if (first == last) {
60  return std::nullopt;
61  }
62  auto left = first->x;
63  auto top = first->y;
64  auto right = first->x;
65  auto bottom = first->y;
66  for (auto it = first + 1; it < last; ++it) {
67  left = std::min(left, it->x);
68  top = std::min(top, it->y);
69  right = std::max(right, it->x);
70  bottom = std::max(bottom, it->y);
71  }
72  return TRect::MakeLTRB(left, top, right, bottom);
73  }

Referenced by impeller::TRect< Scalar >::TransformBounds().

◆ MakeSize()

template<class T >
template<class U >
constexpr static TRect impeller::TRect< T >::MakeSize ( const TSize< U > &  size)
inlinestaticconstexpr

Definition at line 52 of file rect.h.

52  {
53  return TRect(0.0, 0.0, size.width, size.height);
54  }

◆ MakeXYWH()

template<class T >
constexpr static TRect impeller::TRect< T >::MakeXYWH ( Type  x,
Type  y,
Type  width,
Type  height 
)
inlinestaticconstexpr

Definition at line 47 of file rect.h.

47  {
48  return TRect(x, y, width, height);
49  }

◆ operator*() [1/2]

template<class T >
constexpr TRect impeller::TRect< T >::operator* ( const TRect< T > &  r) const
inlineconstexpr

Definition at line 99 of file rect.h.

99  {
100  return TRect({origin.x * r.origin.x, origin.y * r.origin.y},
101  {size.width * r.size.width, size.height * r.size.height});
102  }

◆ operator*() [2/2]

template<class T >
constexpr TRect impeller::TRect< T >::operator* ( Type  scale) const
inlineconstexpr

Definition at line 97 of file rect.h.

97 { return Scale(scale); }

◆ operator+()

template<class T >
constexpr TRect impeller::TRect< T >::operator+ ( const TRect< T > &  r) const
inlineconstexpr

Definition at line 87 of file rect.h.

87  {
88  return TRect({origin.x + r.origin.x, origin.y + r.origin.y},
89  {size.width + r.size.width, size.height + r.size.height});
90  }

◆ operator-()

template<class T >
constexpr TRect impeller::TRect< T >::operator- ( const TRect< T > &  r) const
inlineconstexpr

Definition at line 92 of file rect.h.

92  {
93  return TRect({origin.x - r.origin.x, origin.y - r.origin.y},
94  {size.width - r.size.width, size.height - r.size.height});
95  }

◆ operator==()

template<class T >
constexpr bool impeller::TRect< T >::operator== ( const TRect< T > &  r) const
inlineconstexpr

Definition at line 104 of file rect.h.

104  {
105  return origin == r.origin && size == r.size;
106  }

◆ Project()

template<class T >
constexpr TRect<T> impeller::TRect< T >::Project ( TRect< T >  source) const
inlineconstexpr

Returns a new rectangle that represents the projection of the source rectangle onto this rectangle. In other words, the source rectangle is redefined in terms of the corrdinate space of this rectangle.

Definition at line 299 of file rect.h.

299  {
300  return source.Shift(-origin).Scale(
301  TSize<T>(1.0 / static_cast<Scalar>(size.width),
302  1.0 / static_cast<Scalar>(size.height)));
303  }

Referenced by impeller::TextureContents::Render().

◆ Scale() [1/3]

template<class T >
constexpr TRect impeller::TRect< T >::Scale ( TPoint< T >  scale) const
inlineconstexpr

Definition at line 113 of file rect.h.

113  {
114  return TRect({origin.x * scale.x, origin.y * scale.y},
115  {size.width * scale.x, size.height * scale.y});
116  }

◆ Scale() [2/3]

template<class T >
constexpr TRect impeller::TRect< T >::Scale ( TSize< T >  scale) const
inlineconstexpr

Definition at line 118 of file rect.h.

118  {
119  return Scale(TPoint<T>(scale));
120  }

◆ Scale() [3/3]

template<class T >
constexpr TRect impeller::TRect< T >::Scale ( Type  scale) const
inlineconstexpr

Definition at line 108 of file rect.h.

108  {
109  return TRect({origin.x * scale, origin.y * scale},
110  {size.width * scale, size.height * scale});
111  }

Referenced by impeller::MakeTextFrameFromTextBlobSkia(), impeller::TRect< Scalar >::operator*(), and impeller::TRect< Scalar >::Scale().

◆ Shift()

template<class T >
constexpr TRect<T> impeller::TRect< T >::Shift ( TPoint< T >  offset) const
inlineconstexpr

Returns a new rectangle translated by the given offset.

Definition at line 272 of file rect.h.

272  {
273  return TRect(origin.x + offset.x, origin.y + offset.y, size.width,
274  size.height);
275  }

Referenced by impeller::TRect< Scalar >::Project().

◆ TransformBounds()

template<class T >
constexpr TRect impeller::TRect< T >::TransformBounds ( const Matrix &  transform) const
inlineconstexpr

Creates a new bounding box that contains this transformed rectangle.

Definition at line 204 of file rect.h.

204  {
205  auto points = GetTransformedPoints(transform);
206  return TRect::MakePointBounds(points.begin(), points.end()).value();
207  }

Referenced by impeller::RectGeometry::CoversArea(), impeller::FillPathGeometry::CoversArea(), impeller::TextureFilterInput::GetCoverage(), impeller::Snapshot::GetCoverage(), impeller::SolidRRectBlurContents::GetCoverage(), impeller::VerticesGeometry::GetCoverage(), impeller::TextureContents::GetCoverage(), impeller::AtlasContents::GetCoverage(), impeller::AtlasTextureContents::GetCoverage(), impeller::AtlasColorContents::GetCoverage(), impeller::MatrixFilterContents::GetFilterCoverage(), and impeller::testing::TEST_P().

◆ Union()

template<class T >
constexpr TRect impeller::TRect< T >::Union ( const TRect< T > &  o) const
inlineconstexpr

Definition at line 209 of file rect.h.

209  {
210  auto this_ltrb = GetLTRB();
211  auto other_ltrb = o.GetLTRB();
212  return TRect::MakeLTRB(std::min(this_ltrb[0], other_ltrb[0]), //
213  std::min(this_ltrb[1], other_ltrb[1]), //
214  std::max(this_ltrb[2], other_ltrb[2]), //
215  std::max(this_ltrb[3], other_ltrb[3]) //
216  );
217  }

Referenced by impeller::TRect< Scalar >::Contains(), and impeller::testing::TEST().

Member Data Documentation

◆ origin

template<class T >
TPoint<Type> impeller::TRect< T >::origin

Definition at line 23 of file rect.h.

Referenced by impeller::PathBuilder::AddArc(), impeller::PathBuilder::AddOval(), impeller::PathBuilder::AddRect(), impeller::PathBuilder::AddRoundedRect(), impeller::AdvancedBlend(), impeller::ComputeUVGeometryForRect(), 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::TRect< Scalar >::GetBottom(), impeller::BorderMaskBlurFilterContents::GetFilterCoverage(), impeller::DirectionalMorphologyFilterContents::GetFilterCoverage(), impeller::DirectionalGaussianBlurFilterContents::GetFilterCoverage(), impeller::TRect< Scalar >::GetLeft(), impeller::VerticesGeometry::GetPositionUVBuffer(), impeller::TRect< Scalar >::GetRight(), impeller::TRect< Scalar >::GetTop(), impeller::AtlasBlenderKey::Hash::operator()(), impeller::TRect< Scalar >::operator*(), impeller::TRect< Scalar >::operator+(), impeller::TRect< Scalar >::operator-(), std::operator<<(), impeller::TRect< Scalar >::operator==(), impeller::PipelineBlend(), impeller::TRect< Scalar >::Project(), RectNear(), impeller::TextContents::Render(), impeller::TRect< Scalar >::Scale(), impeller::PassBindingsCache::SetScissor(), impeller::PassBindingsCache::SetViewport(), impeller::TRect< Scalar >::Shift(), and impeller::testing::TEST().

◆ size

template<class T >
TSize<Type> impeller::TRect< T >::size

Definition at line 24 of file rect.h.

Referenced by impeller::PathBuilder::AddArc(), impeller::PathBuilder::AddOval(), impeller::PathBuilder::AddRect(), impeller::PathBuilder::AddRoundedRect(), impeller::AdvancedBlend(), impeller::CanAppendToExistingAtlas(), impeller::Canvas::ClipRRect(), impeller::ComputeUVGeometryForRect(), impeller::TRect< Scalar >::Contains(), impeller::DrawGlyph(), impeller::Canvas::DrawImageRect(), impeller::BlitCopyTextureToTextureCommandGLES::Encode(), impeller::BlitCopyTextureToTextureCommandMTL::Encode(), impeller::BlitCopyTextureToTextureCommandVK::Encode(), impeller::BlitCopyTextureToBufferCommandGLES::Encode(), impeller::BlitCopyTextureToBufferCommandMTL::Encode(), impeller::BlitCopyTextureToBufferCommandVK::Encode(), impeller::TRect< Scalar >::Expand(), impeller::TRect< Scalar >::GetBottom(), impeller::BorderMaskBlurFilterContents::GetFilterCoverage(), impeller::DirectionalMorphologyFilterContents::GetFilterCoverage(), impeller::DirectionalGaussianBlurFilterContents::GetFilterCoverage(), impeller::TRect< Scalar >::GetLeft(), impeller::VerticesGeometry::GetPositionUVBuffer(), impeller::TRect< Scalar >::GetRight(), impeller::TRect< Scalar >::GetTop(), impeller::TRect< Scalar >::IsEmpty(), impeller::TRect< Scalar >::IsZero(), impeller::TRect< Scalar >::MakeSize(), impeller::AtlasBlenderKey::Hash::operator()(), impeller::TRect< Scalar >::operator*(), impeller::TRect< Scalar >::operator+(), impeller::TRect< Scalar >::operator-(), std::operator<<(), impeller::TRect< Scalar >::operator==(), impeller::PipelineBlend(), impeller::TRect< Scalar >::Project(), RectNear(), impeller::TextContents::Render(), impeller::TextureContents::Render(), impeller::TRect< Scalar >::Scale(), impeller::PassBindingsCache::SetScissor(), impeller::PassBindingsCache::SetViewport(), impeller::TRect< Scalar >::Shift(), and impeller::testing::TEST().

The documentation for this struct was generated from the following file:
impeller::TRect::GetLTRB
constexpr std::array< T, 4 > GetLTRB() const
Definition: rect.h:175
impeller::TRect::size
TSize< Type > size
Definition: rect.h:24
impeller::TPoint::y
Type y
Definition: point.h:24
impeller::Scalar
float Scalar
Definition: scalar.h:15
impeller::TRect::IsMaximum
constexpr bool IsMaximum() const
Definition: rect.h:135
impeller::TRect::TRect
constexpr TRect()
Definition: rect.h:26
impeller::TRect::GetPoints
constexpr std::array< TPoint< T >, 4 > GetPoints() const
Get the points that represent the 4 corners of this rectangle. The order is: Top left,...
Definition: rect.h:187
impeller::TRect::Intersection
constexpr std::optional< TRect< T > > Intersection(const TRect &o) const
Definition: rect.h:219
impeller::TRect::GetLeft
constexpr auto GetLeft() const
Definition: rect.h:137
impeller::TRect::GetTransformedPoints
constexpr std::array< TPoint< T >, 4 > GetTransformedPoints(const Matrix &transform) const
Definition: rect.h:193
impeller::TRect::Scale
constexpr TRect Scale(Type scale) const
Definition: rect.h:108
impeller::TRect::origin
TPoint< Type > origin
Definition: rect.h:23
impeller::TRect::MakePointBounds
constexpr static std::optional< TRect > MakePointBounds(const PointIter first, const PointIter last)
Definition: rect.h:57
impeller::TSize::IsZero
constexpr bool IsZero() const
Definition: size.h:103
impeller::TSize::width
Type width
Definition: size.h:21
impeller::TPoint::x
Type x
Definition: point.h:23
impeller::TRect::GetRight
constexpr auto GetRight() const
Definition: rect.h:151
impeller::TRect::MakeMaximum
constexpr static TRect MakeMaximum()
Definition: rect.h:75
impeller::TRect::Union
constexpr TRect Union(const TRect &o) const
Definition: rect.h:209
impeller::TRect::GetBottom
constexpr auto GetBottom() const
Definition: rect.h:158
impeller::TSize::height
Type height
Definition: size.h:22
impeller::TRect::MakeLTRB
constexpr static TRect MakeLTRB(Type left, Type top, Type right, Type bottom)
Definition: rect.h:40
impeller::TSize::IsEmpty
constexpr bool IsEmpty() const
Definition: size.h:105
impeller::TRect::GetTop
constexpr auto GetTop() const
Definition: rect.h:144