1 /*
2 * Copyright 2015 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "SkBBoxHierarchy.h"
9 #include "SkBigPicture.h"
10 #include "SkPictureCommon.h"
11 #include "SkRecord.h"
12 #include "SkRecordDraw.h"
13 #include "SkTraceEvent.h"
14
SkBigPicture(const SkRect & cull,SkRecord * record,SnapshotArray * drawablePicts,SkBBoxHierarchy * bbh,size_t approxBytesUsedBySubPictures)15 SkBigPicture::SkBigPicture(const SkRect& cull,
16 SkRecord* record,
17 SnapshotArray* drawablePicts,
18 SkBBoxHierarchy* bbh,
19 size_t approxBytesUsedBySubPictures)
20 : fCullRect(cull)
21 , fApproxBytesUsedBySubPictures(approxBytesUsedBySubPictures)
22 , fRecord(record) // Take ownership of caller's ref.
23 , fDrawablePicts(drawablePicts) // Take ownership.
24 , fBBH(bbh) // Take ownership of caller's ref.
25 {}
26
playback(SkCanvas * canvas,AbortCallback * callback) const27 void SkBigPicture::playback(SkCanvas* canvas, AbortCallback* callback) const {
28 SkASSERT(canvas);
29
30 // If the query contains the whole picture, don't bother with the BBH.
31 const bool useBBH = !canvas->getLocalClipBounds().contains(this->cullRect());
32
33 SkRecordDraw(*fRecord,
34 canvas,
35 this->drawablePicts(),
36 nullptr,
37 this->drawableCount(),
38 useBBH ? fBBH.get() : nullptr,
39 callback);
40 }
41
partialPlayback(SkCanvas * canvas,int start,int stop,const SkMatrix & initialCTM) const42 void SkBigPicture::partialPlayback(SkCanvas* canvas,
43 int start,
44 int stop,
45 const SkMatrix& initialCTM) const {
46 SkASSERT(canvas);
47 SkRecordPartialDraw(*fRecord,
48 canvas,
49 this->drawablePicts(),
50 this->drawableCount(),
51 start,
52 stop,
53 initialCTM);
54 }
55
cullRect() const56 SkRect SkBigPicture::cullRect() const { return fCullRect; }
approximateOpCount() const57 int SkBigPicture::approximateOpCount() const { return fRecord->count(); }
approximateBytesUsed() const58 size_t SkBigPicture::approximateBytesUsed() const {
59 size_t bytes = sizeof(*this) + fRecord->bytesUsed() + fApproxBytesUsedBySubPictures;
60 if (fBBH) { bytes += fBBH->bytesUsed(); }
61 return bytes;
62 }
63
drawableCount() const64 int SkBigPicture::drawableCount() const {
65 return fDrawablePicts ? fDrawablePicts->count() : 0;
66 }
67
drawablePicts() const68 SkPicture const* const* SkBigPicture::drawablePicts() const {
69 return fDrawablePicts ? fDrawablePicts->begin() : nullptr;
70 }
71
72