1 #include "SkPathHeap.h" 2 #include "SkPath.h" 3 #include "SkStream.h" 4 #include "SkFlattenable.h" 5 #include <new> 6 7 #define kPathCount 64 8 SkPathHeap()9SkPathHeap::SkPathHeap() : fHeap(kPathCount * sizeof(SkPath)) { 10 } 11 SkPathHeap(SkFlattenableReadBuffer & buffer)12SkPathHeap::SkPathHeap(SkFlattenableReadBuffer& buffer) 13 : fHeap(kPathCount * sizeof(SkPath)) { 14 int count = buffer.readS32(); 15 16 fPaths.setCount(count); 17 SkPath** ptr = fPaths.begin(); 18 SkPath* p = (SkPath*)fHeap.allocThrow(count * sizeof(SkPath)); 19 20 for (int i = 0; i < count; i++) { 21 new (p) SkPath; 22 p->unflatten(buffer); 23 *ptr++ = p; // record the pointer 24 p++; // move to the next storage location 25 } 26 } 27 ~SkPathHeap()28SkPathHeap::~SkPathHeap() { 29 SkPath** iter = fPaths.begin(); 30 SkPath** stop = fPaths.end(); 31 while (iter < stop) { 32 (*iter)->~SkPath(); 33 iter++; 34 } 35 } 36 append(const SkPath & path)37int SkPathHeap::append(const SkPath& path) { 38 SkPath* p = (SkPath*)fHeap.allocThrow(sizeof(SkPath)); 39 new (p) SkPath(path); 40 *fPaths.append() = p; 41 return fPaths.count(); 42 } 43 flatten(SkFlattenableWriteBuffer & buffer) const44void SkPathHeap::flatten(SkFlattenableWriteBuffer& buffer) const { 45 int count = fPaths.count(); 46 47 buffer.write32(count); 48 SkPath** iter = fPaths.begin(); 49 SkPath** stop = fPaths.end(); 50 while (iter < stop) { 51 (*iter)->flatten(buffer); 52 iter++; 53 } 54 } 55 56