More cleanup: streamline paths and bitmaps.

src/core/SkPathHeap.cpp

-
-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-#include "SkPathHeap.h"
-#include "SkPath.h"
-#include "SkStream.h"
-#include "SkReadBuffer.h"
-#include "SkTSearch.h"
-#include "SkWriteBuffer.h"
-#include <new>
-
-#define kPathCount  64
-
-SkPathHeap::SkPathHeap() : fHeap(kPathCount * sizeof(SkPath)) {
-}
-
-SkPathHeap::SkPathHeap(SkReadBuffer& buffer)
-            : fHeap(kPathCount * sizeof(SkPath)) {
-    const int count = buffer.readInt();
-
-    fPaths.setCount(count);
-    SkPath** ptr = fPaths.begin();
-    SkPath* p = (SkPath*)fHeap.allocThrow(count * sizeof(SkPath));
-
-    for (int i = 0; i < count; i++) {
-        new (p) SkPath;
-        buffer.readPath(p);
-        *ptr++ = p; // record the pointer
-        p++;        // move to the next storage location
-    }
-}
-
-SkPathHeap::~SkPathHeap() {
-    SkPath** iter = fPaths.begin();
-    SkPath** stop = fPaths.end();
-    while (iter < stop) {
-        (*iter)->~SkPath();
-        iter++;
-    }
-}
-
-int SkPathHeap::append(const SkPath& path) {
-    SkPath* p = (SkPath*)fHeap.allocThrow(sizeof(SkPath));
-    new (p) SkPath(path);
-    *fPaths.append() = p;
-    return fPaths.count();
-}
-
-SkPathHeap::LookupEntry::LookupEntry(const SkPath& path)
-    : fGenerationID(path.getGenerationID()), fStorageSlot(0) {
-}
-
-SkPathHeap::LookupEntry* SkPathHeap::addIfNotPresent(const SkPath& path) {
-    LookupEntry searchKey(path);
-    int index = SkTSearch<const LookupEntry, LookupEntry::Less>(
-                                    fLookupTable.begin(),
-                                    fLookupTable.count(),
-                                    searchKey,
-                                    sizeof(LookupEntry));
-    if (index < 0) {
-        index = ~index;
-        *fLookupTable.insert(index) = LookupEntry(path);
-    }
-
-    return &fLookupTable[index];;
-}
-
-int SkPathHeap::insert(const SkPath& path) {
-    SkPathHeap::LookupEntry* entry = this->addIfNotPresent(path);
-
-    if (entry->storageSlot() > 0) {
-        return entry->storageSlot();
-    }
-
-    int newSlot = this->append(path);
-    SkASSERT(newSlot > 0);
-    entry->setStorageSlot(newSlot);
-    return newSlot;
-}
-
-void SkPathHeap::flatten(SkWriteBuffer& buffer) const {
-    int count = fPaths.count();
-
-    buffer.writeInt(count);
-    SkPath* const* iter = fPaths.begin();
-    SkPath* const* stop = fPaths.end();
-    while (iter < stop) {
-        buffer.writePath(**iter);
-        iter++;
-    }
-}