flutter::DisplayListMatrixClipTracker Class Reference

#include <dl_matrix_clip_tracker.h>

Public Member Functions
	DisplayListMatrixClipTracker (const DlRect &cull_rect, const DlMatrix &matrix)
	DisplayListMatrixClipTracker (const SkRect &cull_rect, const SkMatrix &matrix)
	DisplayListMatrixClipTracker (const SkRect &cull_rect, const SkM44 &matrix)
void	resetDeviceCullRect (const DlRect *cull_rect=nullptr)
void	resetDeviceCullRect (const SkRect *cull_rect=nullptr)
void	resetLocalCullRect (const DlRect *cull_rect=nullptr)
void	resetLocalCullRect (const SkRect *cull_rect=nullptr)
SkRect	base_device_cull_rect () const
bool	using_4x4_matrix () const
DlMatrix	matrix () const
SkM44	matrix_4x4 () const
SkMatrix	matrix_3x3 () const
SkRect	local_cull_rect () const
SkRect	device_cull_rect () const
bool	content_culled (const SkRect &content_bounds) const
bool	is_cull_rect_empty () const
void	save ()
void	restore ()
void	reset ()
int	getSaveCount ()
void	restoreToCount (int restore_count)
void	translate (SkScalar tx, SkScalar ty)
void	scale (SkScalar sx, SkScalar sy)
void	skew (SkScalar skx, SkScalar sky)
void	rotate (SkScalar degrees)
void	transform (const DlMatrix &matrix)
void	transform (const SkM44 &m44)
void	transform (const SkMatrix &matrix)
void	transform2DAffine (SkScalar mxx, SkScalar mxy, SkScalar mxt, SkScalar myx, SkScalar myy, SkScalar myt)
void	transformFullPerspective (SkScalar mxx, SkScalar mxy, SkScalar mxz, SkScalar mxt, SkScalar myx, SkScalar myy, SkScalar myz, SkScalar myt, SkScalar mzx, SkScalar mzy, SkScalar mzz, SkScalar mzt, SkScalar mwx, SkScalar mwy, SkScalar mwz, SkScalar mwt)
void	setTransform (const DlMatrix &matrix)
void	setTransform (const SkMatrix &matrix)
void	setTransform (const SkM44 &m44)
void	setIdentity ()
bool	inverseTransform (const DisplayListMatrixClipTracker &other_tracker)
bool	mapRect (DlRect *rect) const
bool	mapRect (const DlRect &src, DlRect *mapped)
bool	mapRect (SkRect *rect) const
bool	mapRect (const SkRect &src, SkRect *mapped)
void	clipRect (const DlRect &rect, ClipOp op, bool is_aa)
void	clipRect (const SkRect &rect, ClipOp op, bool is_aa)
void	clipRRect (const SkRRect &rrect, ClipOp op, bool is_aa)
void	clipPath (const SkPath &path, ClipOp op, bool is_aa)

Static Public Member Functions
static bool	is_3x3 (const SkM44 &m44)

Detailed Description

Definition at line 184 of file dl_matrix_clip_tracker.h.

Constructor & Destructor Documentation

DisplayListMatrixClipTracker() [1/3]

flutter::DisplayListMatrixClipTracker::DisplayListMatrixClipTracker	(	const DlRect &	cull_rect,
		const DlMatrix &	matrix
	)

Definition at line 33 of file dl_matrix_clip_tracker.cc.

                            {
  // isEmpty protects us against NaN as we normalize any empty cull rects
  DlRect cull = cull_rect.IsEmpty() ? DlRect() : cull_rect;
  saved_.emplace_back(cull, matrix);
  current_ = &saved_.back();
  save();  // saved_[0] will always be the initial settings
}

DisplayListMatrixClipTracker() [2/3]

flutter::DisplayListMatrixClipTracker::DisplayListMatrixClipTracker	(	const SkRect &	cull_rect,
		const SkMatrix &	matrix
	)

Definition at line 43 of file dl_matrix_clip_tracker.cc.

                            {
  // isEmpty protects us against NaN as we normalize any empty cull rects
  SkRect cull = cull_rect.isEmpty() ? SkRect::MakeEmpty() : cull_rect;
  saved_.emplace_back(cull, matrix);
  current_ = &saved_.back();
  save();  // saved_[0] will always be the initial settings
}

DisplayListMatrixClipTracker() [3/3]

flutter::DisplayListMatrixClipTracker::DisplayListMatrixClipTracker	(	const SkRect &	cull_rect,
		const SkM44 &	matrix
	)

Definition at line 53 of file dl_matrix_clip_tracker.cc.

                      {
  // isEmpty protects us against NaN as we normalize any empty cull rects
  SkRect cull = cull_rect.isEmpty() ? SkRect::MakeEmpty() : cull_rect;
  saved_.emplace_back(cull, m44);
  current_ = &saved_.back();
  save();  // saved_[0] will always be the initial settings
}

Member Function Documentation

base_device_cull_rect()

SkRect flutter::DisplayListMatrixClipTracker::base_device_cull_rect ( ) const

inline

Definition at line 235 of file dl_matrix_clip_tracker.h.

{ return saved_[0].device_cull_rect(); }

clipPath()

void flutter::DisplayListMatrixClipTracker::clipPath ( const SkPath &  path, ClipOp  op, bool  is_aa  )

inline

Definition at line 314 of file dl_matrix_clip_tracker.h.

                                                           {
    current_->clipPath(path, op, is_aa);
  }

clipRect() [1/2]

void flutter::DisplayListMatrixClipTracker::clipRect ( const DlRect &  rect, ClipOp  op, bool  is_aa  )

inline

Definition at line 305 of file dl_matrix_clip_tracker.h.

                                                           {
    current_->clipRect(rect, op, is_aa);
  }

clipRect() [2/2]

void flutter::DisplayListMatrixClipTracker::clipRect ( const SkRect &  rect, ClipOp  op, bool  is_aa  )

inline

Definition at line 308 of file dl_matrix_clip_tracker.h.

                                                           {
    current_->clipRect(rect, op, is_aa);
  }

clipRRect()

void flutter::DisplayListMatrixClipTracker::clipRRect ( const SkRRect &  rrect, ClipOp  op, bool  is_aa  )

inline

Definition at line 311 of file dl_matrix_clip_tracker.h.

                                                              {
    current_->clipRRect(rrect, op, is_aa);
  }

content_culled()

bool flutter::DisplayListMatrixClipTracker::content_culled ( const SkRect &  content_bounds ) const

inline

Definition at line 244 of file dl_matrix_clip_tracker.h.

                                                          {
    return current_->content_culled(content_bounds);
  }

device_cull_rect()

SkRect flutter::DisplayListMatrixClipTracker::device_cull_rect ( ) const

inline

Definition at line 243 of file dl_matrix_clip_tracker.h.

{ return current_->device_cull_rect(); }

getSaveCount()

int flutter::DisplayListMatrixClipTracker::getSaveCount ( )

inline

Definition at line 252 of file dl_matrix_clip_tracker.h.

                     {
    // saved_[0] is always the untouched initial conditions
    // saved_[1] is the first editable stack entry
    return saved_.size() - 1;
  }

inverseTransform()

bool flutter::DisplayListMatrixClipTracker::inverseTransform ( const DisplayListMatrixClipTracker &  other_tracker )

inline

Definition at line 292 of file dl_matrix_clip_tracker.h.

                                                                           {
    return current_->inverseTransform(*other_tracker.current_);
  }

is_3x3()

bool flutter::DisplayListMatrixClipTracker::is_3x3 ( const SkM44 &  m44 )

static

Definition at line 12 of file dl_matrix_clip_tracker.cc.

                                                        {
  // clang-format off
  return (                                      m.rc(0, 2) == 0 &&
                                                m.rc(1, 2) == 0 &&
          m.rc(2, 0) == 0 && m.rc(2, 1) == 0 && m.rc(2, 2) == 1 && m.rc(2, 3) == 0 &&
                                                m.rc(3, 2) == 0);
  // clang-format on
}

is_cull_rect_empty()

bool flutter::DisplayListMatrixClipTracker::is_cull_rect_empty ( ) const

inline

Definition at line 247 of file dl_matrix_clip_tracker.h.

{ return current_->is_cull_rect_empty(); }

local_cull_rect()

SkRect flutter::DisplayListMatrixClipTracker::local_cull_rect ( ) const

inline

Definition at line 242 of file dl_matrix_clip_tracker.h.

{ return current_->local_cull_rect(); }

mapRect() [1/4]

bool flutter::DisplayListMatrixClipTracker::mapRect ( const DlRect &  src, DlRect *  mapped  )

inline

Definition at line 297 of file dl_matrix_clip_tracker.h.

                                                  {
    return current_->mapRect(src, mapped);
  }

mapRect() [2/4]

bool flutter::DisplayListMatrixClipTracker::mapRect ( const SkRect &  src, SkRect *  mapped  )

inline

Definition at line 301 of file dl_matrix_clip_tracker.h.

                                                  {
    return current_->mapRect(src, mapped);
  }

mapRect() [3/4]

bool flutter::DisplayListMatrixClipTracker::mapRect ( DlRect *  rect ) const

inline

Definition at line 296 of file dl_matrix_clip_tracker.h.

{ return current_->mapRect(*rect, rect); }

mapRect() [4/4]

bool flutter::DisplayListMatrixClipTracker::mapRect ( SkRect *  rect ) const

inline

Definition at line 300 of file dl_matrix_clip_tracker.h.

{ return current_->mapRect(*rect, rect); }

matrix()

DlMatrix flutter::DisplayListMatrixClipTracker::matrix ( ) const

inline

Definition at line 239 of file dl_matrix_clip_tracker.h.

{ return current_->matrix(); }

matrix_3x3()

SkMatrix flutter::DisplayListMatrixClipTracker::matrix_3x3 ( ) const

inline

Definition at line 241 of file dl_matrix_clip_tracker.h.

{ return current_->matrix_3x3(); }

matrix_4x4()

SkM44 flutter::DisplayListMatrixClipTracker::matrix_4x4 ( ) const

inline

Definition at line 240 of file dl_matrix_clip_tracker.h.

{ return current_->matrix_4x4(); }

reset()

void flutter::DisplayListMatrixClipTracker::reset

(

)

Definition at line 75 of file dl_matrix_clip_tracker.cc.

                                         {
  while (saved_.size() > 1) {
    saved_.pop_back();
    current_ = &saved_.back();
  }
  save();  // saved_[0] will always be the initial settings
}

resetDeviceCullRect() [1/2]

void flutter::DisplayListMatrixClipTracker::resetDeviceCullRect ( const DlRect *  cull_rect = nullptr )

inline

Definition at line 204 of file dl_matrix_clip_tracker.h.

                                                              {
    if (cull_rect) {
      current_->resetDeviceCullRect(*cull_rect);
    } else {
      current_->resetDeviceCullRect(saved_[0].cull_rect_);
    }
  }

resetDeviceCullRect() [2/2]

void flutter::DisplayListMatrixClipTracker::resetDeviceCullRect ( const SkRect *  cull_rect = nullptr )

inline

Definition at line 211 of file dl_matrix_clip_tracker.h.

                                                              {
    if (cull_rect) {
      current_->resetDeviceCullRect(*cull_rect);
    } else {
      current_->resetDeviceCullRect(saved_[0].cull_rect_);
    }
  }

resetLocalCullRect() [1/2]

void flutter::DisplayListMatrixClipTracker::resetLocalCullRect ( const DlRect *  cull_rect = nullptr )

inline

Definition at line 218 of file dl_matrix_clip_tracker.h.

                                                             {
    if (cull_rect) {
      current_->resetLocalCullRect(*cull_rect);
    } else {
      current_->resetDeviceCullRect(saved_[0].cull_rect_);
    }
  }

resetLocalCullRect() [2/2]

void flutter::DisplayListMatrixClipTracker::resetLocalCullRect ( const SkRect *  cull_rect = nullptr )

inline

Definition at line 225 of file dl_matrix_clip_tracker.h.

                                                             {
    if (cull_rect) {
      current_->resetLocalCullRect(*cull_rect);
    } else {
      current_->resetDeviceCullRect(saved_[0].cull_rect_);
    }
  }

restore()

void flutter::DisplayListMatrixClipTracker::restore

(

)

Definition at line 68 of file dl_matrix_clip_tracker.cc.

                                           {
  if (saved_.size() > 2) {
    saved_.pop_back();
    current_ = &saved_.back();
  }
}

restoreToCount()

void flutter::DisplayListMatrixClipTracker::restoreToCount

(

int

restore_count

)

Definition at line 83 of file dl_matrix_clip_tracker.cc.

                                                                   {
  FML_DCHECK(restore_count <= getSaveCount());
  if (restore_count < 1) {
    restore_count = 1;
  }
  while (restore_count < getSaveCount()) {
    restore();
  }
}

rotate()

void flutter::DisplayListMatrixClipTracker::rotate ( SkScalar  degrees )

inline

Definition at line 262 of file dl_matrix_clip_tracker.h.

{ current_->rotate(degrees); }

save()

void flutter::DisplayListMatrixClipTracker::save

(

)

Definition at line 63 of file dl_matrix_clip_tracker.cc.

                                        {
  saved_.emplace_back(*current_);
  current_ = &saved_.back();
}

scale()

void flutter::DisplayListMatrixClipTracker::scale ( SkScalar  sx, SkScalar  sy  )

inline

Definition at line 260 of file dl_matrix_clip_tracker.h.

{ current_->scale(sx, sy); }

setIdentity()

void flutter::DisplayListMatrixClipTracker::setIdentity ( )

inline

Definition at line 288 of file dl_matrix_clip_tracker.h.

{ current_->setIdentity(); }

setTransform() [1/3]

void flutter::DisplayListMatrixClipTracker::setTransform ( const DlMatrix &  matrix )

inline

Definition at line 285 of file dl_matrix_clip_tracker.h.

{ current_->setTransform(matrix); }

setTransform() [2/3]

void flutter::DisplayListMatrixClipTracker::setTransform ( const SkM44 &  m44 )

inline

Definition at line 287 of file dl_matrix_clip_tracker.h.

{ current_->setTransform(m44); }

setTransform() [3/3]

void flutter::DisplayListMatrixClipTracker::setTransform ( const SkMatrix &  matrix )

inline

Definition at line 286 of file dl_matrix_clip_tracker.h.

{ current_->setTransform(matrix); }

skew()

void flutter::DisplayListMatrixClipTracker::skew ( SkScalar  skx, SkScalar  sky  )

inline

Definition at line 261 of file dl_matrix_clip_tracker.h.

{ current_->skew(skx, sky); }

transform() [1/3]

void flutter::DisplayListMatrixClipTracker::transform ( const DlMatrix &  matrix )

inline

Definition at line 263 of file dl_matrix_clip_tracker.h.

{ current_->transform(matrix); }

transform() [2/3]

void flutter::DisplayListMatrixClipTracker::transform ( const SkM44 &  m44 )

inline

Definition at line 264 of file dl_matrix_clip_tracker.h.

{ current_->transform(m44); }

transform() [3/3]

void flutter::DisplayListMatrixClipTracker::transform ( const SkMatrix &  matrix )

inline

Definition at line 265 of file dl_matrix_clip_tracker.h.

{ current_->transform(matrix); }

transform2DAffine()

void flutter::DisplayListMatrixClipTracker::transform2DAffine ( SkScalar  mxx, SkScalar  mxy, SkScalar  mxt, SkScalar  myx, SkScalar  myy, SkScalar  myt  )

inline

Definition at line 267 of file dl_matrix_clip_tracker.h.

                                                {
    current_->transform2DAffine(mxx, mxy, mxt, myx, myy, myt);
  }

transformFullPerspective()

void flutter::DisplayListMatrixClipTracker::transformFullPerspective ( SkScalar  mxx, SkScalar  mxy, SkScalar  mxz, SkScalar  mxt, SkScalar  myx, SkScalar  myy, SkScalar  myz, SkScalar  myt, SkScalar  mzx, SkScalar  mzy, SkScalar  mzz, SkScalar  mzt, SkScalar  mwx, SkScalar  mwy, SkScalar  mwz, SkScalar  mwt  )

inline

Definition at line 272 of file dl_matrix_clip_tracker.h.

                                                              {
    current_->transformFullPerspective(
        mxx, mxy, mxz, mxt,
        myx, myy, myz, myt,
        mzx, mzy, mzz, mzt,
        mwx, mwy, mwz, mwt
    );
  }

translate()

void flutter::DisplayListMatrixClipTracker::translate ( SkScalar  tx, SkScalar  ty  )

inline

Definition at line 259 of file dl_matrix_clip_tracker.h.

{ current_->translate(tx, ty); }

using_4x4_matrix()

bool flutter::DisplayListMatrixClipTracker::using_4x4_matrix ( ) const

inline

Definition at line 237 of file dl_matrix_clip_tracker.h.

{ return current_->using_4x4_matrix(); }

---

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

• display_list/utils/dl_matrix_clip_tracker.h
• display_list/utils/dl_matrix_clip_tracker.cc