reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame^] | 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 | |
| 9 | SkPathHeap::SkPathHeap() : fHeap(kPathCount * sizeof(SkPath)) { |
| 10 | } |
| 11 | |
| 12 | SkPathHeap::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 | |
| 28 | SkPathHeap::~SkPathHeap() { |
| 29 | SkPath** iter = fPaths.begin(); |
| 30 | SkPath** stop = fPaths.end(); |
| 31 | while (iter < stop) { |
| 32 | (*iter)->~SkPath(); |
| 33 | iter++; |
| 34 | } |
| 35 | } |
| 36 | |
| 37 | int 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 | |
| 44 | void 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 | |