The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 2 | * Copyright (C) 2014 The Android Open Source Project |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Derek Sollenberger | 8872b38 | 2014-06-23 14:13:53 -0400 | [diff] [blame] | 17 | #include "Canvas.h" |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 18 | #include "Picture.h" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 19 | |
Leon Scroggins III | ca32021 | 2013-08-20 17:59:39 -0400 | [diff] [blame] | 20 | #include "SkStream.h" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 21 | |
Derek Sollenberger | a0dc404 | 2014-06-18 15:15:45 -0400 | [diff] [blame] | 22 | namespace android { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 23 | |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 24 | Picture::Picture(const Picture* src) { |
| 25 | if (NULL != src) { |
| 26 | mWidth = src->width(); |
| 27 | mHeight = src->height(); |
| 28 | if (NULL != src->mPicture.get()) { |
| 29 | mPicture.reset(SkRef(src->mPicture.get())); |
Mike Reed | 71487eb | 2014-11-19 16:13:20 -0500 | [diff] [blame] | 30 | } else if (NULL != src->mRecorder.get()) { |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 31 | mPicture.reset(src->makePartialCopy()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 32 | } |
Mike Reed | 71487eb | 2014-11-19 16:13:20 -0500 | [diff] [blame] | 33 | validate(); |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 34 | } else { |
| 35 | mWidth = 0; |
| 36 | mHeight = 0; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 37 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 38 | } |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame] | 39 | |
Derek Sollenberger | 8872b38 | 2014-06-23 14:13:53 -0400 | [diff] [blame] | 40 | Canvas* Picture::beginRecording(int width, int height) { |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 41 | mPicture.reset(NULL); |
| 42 | mRecorder.reset(new SkPictureRecorder); |
| 43 | mWidth = width; |
| 44 | mHeight = height; |
Derek Sollenberger | 8872b38 | 2014-06-23 14:13:53 -0400 | [diff] [blame] | 45 | SkCanvas* canvas = mRecorder->beginRecording(width, height, NULL, 0); |
| 46 | return Canvas::create_canvas(canvas); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 47 | } |
| 48 | |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 49 | void Picture::endRecording() { |
| 50 | if (NULL != mRecorder.get()) { |
| 51 | mPicture.reset(mRecorder->endRecording()); |
Mike Reed | 71487eb | 2014-11-19 16:13:20 -0500 | [diff] [blame] | 52 | validate(); |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 53 | mRecorder.reset(NULL); |
| 54 | } |
| 55 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 56 | |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 57 | int Picture::width() const { |
Mike Reed | 71487eb | 2014-11-19 16:13:20 -0500 | [diff] [blame] | 58 | validate(); |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 59 | return mWidth; |
| 60 | } |
| 61 | |
| 62 | int Picture::height() const { |
Mike Reed | 71487eb | 2014-11-19 16:13:20 -0500 | [diff] [blame] | 63 | validate(); |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 64 | return mHeight; |
| 65 | } |
| 66 | |
| 67 | Picture* Picture::CreateFromStream(SkStream* stream) { |
| 68 | Picture* newPict = new Picture; |
| 69 | |
Mike Reed | 71487eb | 2014-11-19 16:13:20 -0500 | [diff] [blame] | 70 | SkPicture* skPicture = SkPicture::CreateFromStream(stream); |
| 71 | if (NULL != skPicture) { |
| 72 | newPict->mPicture.reset(skPicture); |
| 73 | |
| 74 | const SkIRect cullRect = skPicture->cullRect().roundOut(); |
| 75 | newPict->mWidth = cullRect.width(); |
| 76 | newPict->mHeight = cullRect.height(); |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | return newPict; |
| 80 | } |
| 81 | |
| 82 | void Picture::serialize(SkWStream* stream) const { |
| 83 | if (NULL != mRecorder.get()) { |
| 84 | SkAutoTDelete<SkPicture> tempPict(this->makePartialCopy()); |
| 85 | tempPict->serialize(stream); |
| 86 | } else if (NULL != mPicture.get()) { |
Mike Reed | 71487eb | 2014-11-19 16:13:20 -0500 | [diff] [blame] | 87 | validate(); |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 88 | mPicture->serialize(stream); |
| 89 | } else { |
Robert Phillips | 25bdb88 | 2014-07-13 11:56:06 -0400 | [diff] [blame] | 90 | SkPictureRecorder recorder; |
| 91 | recorder.beginRecording(0, 0); |
| 92 | SkAutoTUnref<SkPicture> empty(recorder.endRecording()); |
| 93 | empty->serialize(stream); |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 94 | } |
| 95 | } |
| 96 | |
Derek Sollenberger | 8872b38 | 2014-06-23 14:13:53 -0400 | [diff] [blame] | 97 | void Picture::draw(Canvas* canvas) { |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 98 | if (NULL != mRecorder.get()) { |
| 99 | this->endRecording(); |
| 100 | SkASSERT(NULL != mPicture.get()); |
| 101 | } |
Mike Reed | 71487eb | 2014-11-19 16:13:20 -0500 | [diff] [blame] | 102 | validate(); |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 103 | if (NULL != mPicture.get()) { |
Derek Sollenberger | b3d50e0 | 2015-01-29 11:19:31 -0500 | [diff] [blame] | 104 | mPicture.get()->playback(canvas->asSkCanvas()); |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 105 | } |
| 106 | } |
| 107 | |
| 108 | SkPicture* Picture::makePartialCopy() const { |
| 109 | SkASSERT(NULL != mRecorder.get()); |
| 110 | |
| 111 | SkPictureRecorder reRecorder; |
| 112 | |
| 113 | SkCanvas* canvas = reRecorder.beginRecording(mWidth, mHeight, NULL, 0); |
| 114 | mRecorder->partialReplay(canvas); |
| 115 | return reRecorder.endRecording(); |
| 116 | } |
Derek Sollenberger | a0dc404 | 2014-06-18 15:15:45 -0400 | [diff] [blame] | 117 | |
Mike Reed | 71487eb | 2014-11-19 16:13:20 -0500 | [diff] [blame] | 118 | void Picture::validate() const { |
| 119 | #ifdef SK_DEBUG |
| 120 | if (NULL != mPicture.get()) { |
| 121 | SkRect cullRect = mPicture->cullRect(); |
| 122 | SkRect myRect = SkRect::MakeWH(SkIntToScalar(mWidth), SkIntToScalar(mHeight)); |
| 123 | SkASSERT(cullRect == myRect); |
| 124 | } |
| 125 | #endif |
| 126 | } |
| 127 | |
Derek Sollenberger | a0dc404 | 2014-06-18 15:15:45 -0400 | [diff] [blame] | 128 | }; // namespace android |