#include <SkPtrRecorder.h>

Inheritance diagram for SkPtrSet:

Classes
class	Iter

Public Member Functions
uint32_t	find (void *) const

uint32_t	add (void *)

int	count () const

void	copyToArray (void *array[]) const

void	reset ()

Public Member Functions inherited from SkRefCntBase
	SkRefCntBase ()

virtual	~SkRefCntBase ()

bool	unique () const

void	ref () const

void	unref () const

Protected Member Functions
virtual void	incPtr (void *)

virtual void	decPtr (void *)

Detailed Description

Maintains a set of ptrs, assigning each a unique ID [1...N]. Duplicate ptrs return the same ID (since its a set). Subclasses can override inPtr() and decPtr(). incPtr() is called each time a unique ptr is added ot the set. decPtr() is called on each ptr when the set is destroyed or reset.

Definition at line 24 of file SkPtrRecorder.h.

Member Function Documentation

◆ add()

uint32_t SkPtrSet::add ( void * ptr )

Add the specified ptr to the set, returning a unique 32bit ID for it [1...N]. Duplicate ptrs will return the same ID.

If the ptr is nullptr, it is not added, and 0 is returned.

Definition at line 42 of file SkPtrRecorder.cpp.

                                {
    if (nullptr == ptr) {
        return 0;
    }
 
    int count = fList.size();
    Pair pair;
    pair.fPtr = ptr;
 
    int index = SkTSearch<Pair, Less>(fList.begin(), count, pair, sizeof(pair));
    if (index < 0) {
        index = ~index; // turn it back into an index for insertion
        this->incPtr(ptr);
        pair.fIndex = count + 1;
        *fList.insert(index) = pair;
        return count + 1;
    } else {
        return fList[index].fIndex;
    }
}

◆ copyToArray()

void SkPtrSet::copyToArray ( void * array[] ) const

Copy the ptrs in the set into the specified array (allocated by the caller). The ptrs are assgined to the array based on their corresponding ID. e.g. array[ptr.ID - 1] = ptr.

incPtr() and decPtr() are not called during this operation.

Definition at line 63 of file SkPtrRecorder.cpp.

                                              {
    int count = fList.size();
    if (count > 0) {
        SkASSERT(array);
        const Pair* p = fList.begin();
        // p->fIndex is base-1, so we need to subtract to find its slot
        for (int i = 0; i < count; i++) {
            int index = p[i].fIndex - 1;
            SkASSERT((unsigned)index < (unsigned)count);
            array[index] = p[i].fPtr;
        }
    }
}

◆ count()

int SkPtrSet::count ( ) const

inline

Return the number of (non-null) ptrs in the set.

Definition at line 45 of file SkPtrRecorder.h.

45{ return fList.size(); }

◆ decPtr()

virtual void SkPtrSet::decPtr ( void * )

inlineprotectedvirtual

Reimplemented in SkRefCntSet.

Definition at line 85 of file SkPtrRecorder.h.

85{}

◆ find()

uint32_t SkPtrSet::find ( void * ptr ) const

Search for the specified ptr in the set. If it is found, return its 32bit ID [1..N], or if not found, return 0. Always returns 0 for nullptr.

Definition at line 26 of file SkPtrRecorder.cpp.

                                       {
    if (nullptr == ptr) {
        return 0;
    }
 
    int count = fList.size();
    Pair pair;
    pair.fPtr = ptr;
 
    int index = SkTSearch<Pair, Less>(fList.begin(), count, pair, sizeof(pair));
    if (index < 0) {
        return 0;
    }
    return fList[index].fIndex;
}

◆ incPtr()

virtual void SkPtrSet::incPtr ( void * )

inlineprotectedvirtual

Reimplemented in SkRefCntSet.

Definition at line 84 of file SkPtrRecorder.h.

84{}

◆ reset()

void SkPtrSet::reset ( )

Call decPtr() on each ptr in the set, and the reset the size of the set to 0.

Definition at line 12 of file SkPtrRecorder.cpp.

                     {
    Pair* p = fList.begin();
    Pair* stop = fList.end();
    while (p < stop) {
        this->decPtr(p->fPtr);
        p += 1;
    }
    fList.reset();
}

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

third_party/skia/src/core/SkPtrRecorder.h
third_party/skia/src/core/SkPtrRecorder.cpp

Classes

Public Member Functions

Protected Member Functions