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 "src/core/SkBBoxHierarchy.h"
9 #include "src/core/SkBigPicture.h"
10 #include "src/core/SkPictureCommon.h"
11 #include "src/core/SkRecord.h"
12 #include "src/core/SkRecordDraw.h"
13 #include "src/core/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 #ifdef DUMP_DRAW_CMD
32 const bool useBBH = false;
33 #else
34 const bool useBBH = !canvas->getLocalClipBounds().contains(this->cullRect());
35 #endif
36
37 SkRecordDraw(*fRecord,
38 canvas,
39 this->drawablePicts(),
40 nullptr,
41 this->drawableCount(),
42 useBBH ? fBBH.get() : nullptr,
43 callback);
44 }
45
partialPlayback(SkCanvas * canvas,int start,int stop,const SkMatrix & initialCTM) const46 void SkBigPicture::partialPlayback(SkCanvas* canvas,
47 int start,
48 int stop,
49 const SkMatrix& initialCTM) const {
50 SkASSERT(canvas);
51 SkRecordPartialDraw(*fRecord,
52 canvas,
53 this->drawablePicts(),
54 this->drawableCount(),
55 start,
56 stop,
57 initialCTM);
58 }
59
cullRect() const60 SkRect SkBigPicture::cullRect() const { return fCullRect; }
approximateOpCount() const61 int SkBigPicture::approximateOpCount() const { return fRecord->count(); }
approximateBytesUsed() const62 size_t SkBigPicture::approximateBytesUsed() const {
63 size_t bytes = sizeof(*this) + fRecord->bytesUsed() + fApproxBytesUsedBySubPictures;
64 if (fBBH) { bytes += fBBH->bytesUsed(); }
65 return bytes;
66 }
67
drawableCount() const68 int SkBigPicture::drawableCount() const {
69 return fDrawablePicts ? fDrawablePicts->count() : 0;
70 }
71
drawablePicts() const72 SkPicture const* const* SkBigPicture::drawablePicts() const {
73 return fDrawablePicts ? fDrawablePicts->begin() : nullptr;
74 }
75
76