Support serialization in SkRecord-backed SkPictures.

dm/DMRecordTask.cpp

-#include "DMRecordTask.h"
-#include "DMUtil.h"
-#include "DMWriteTask.h"
-#include "SkCommandLineFlags.h"
-#include "SkRecord.h"
-#include "SkRecordDraw.h"
-#include "SkRecordOpts.h"
-#include "SkRecorder.h"
-
-DEFINE_bool(skr, true, "If true, run SKR tests.");
-
-namespace DM {
-
-RecordTask::RecordTask(const Task& parent, skiagm::GM* gm, SkBitmap reference, Mode mode)
-    : CpuTask(parent)
-    , fOptimize(mode == kOptimize_Mode)
-    , fName(UnderJoin(parent.name().c_str(), fOptimize ? "skr" : "skr-noopt"))
-    , fGM(gm)
-    , fReference(reference)
-    {}
-
-RecordTask::RecordTask(const Task& parent, SkPicture* pic, SkBitmap reference, Mode mode)
-    : CpuTask(parent)
-    , fOptimize(mode == kOptimize_Mode)
-    , fName(UnderJoin(parent.name().c_str(), fOptimize ? "skr" : "skr-noopt"))
-    , fPicture(SkRef(pic))
-    , fReference(reference)
-    {}
-
-void RecordTask::draw() {
-    // Record into an SkRecord.
-    SkRecord record;
-    SkRecorder recorder(&record, fReference.width(), fReference.height());
-
-    if (fGM.get()) {
-        recorder.concat(fGM->getInitialTransform());
-        fGM->draw(&recorder);
-    } else {
-        fPicture->draw(&recorder);
-    }
-
-
-    if (fOptimize) {
-        SkRecordOptimize(&record);
-    }
-
-    // Draw the SkRecord back into a bitmap.
-    SkBitmap bitmap;
-    AllocatePixels(fReference, &bitmap);
-    SkCanvas target(bitmap);
-    SkRecordDraw(record, &target);
-
-    if (!BitmapsEqual(bitmap, fReference)) {
-        this->fail();
-        this->spawnChild(SkNEW_ARGS(WriteTask, (*this, bitmap)));
-    }
-}
-
-bool RecordTask::shouldSkip() const {
-    return !FLAGS_skr;
-}
-
-}  // namespace DM