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| 1 /* | |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #include "sky/engine/config.h" | |
| 32 #include "sky/engine/platform/graphics/GraphicsContextRecorder.h" | |
| 33 | |
| 34 #include "platform/image-decoders/ImageDecoder.h" | |
| 35 #include "platform/image-decoders/ImageFrame.h" | |
| 36 #include "platform/image-encoders/skia/PNGImageEncoder.h" | |
| 37 #include "sky/engine/platform/graphics/ImageBuffer.h" | |
| 38 #include "sky/engine/platform/graphics/ImageSource.h" | |
| 39 #include "sky/engine/platform/graphics/LoggingCanvas.h" | |
| 40 #include "sky/engine/platform/graphics/ProfilingCanvas.h" | |
| 41 #include "sky/engine/platform/graphics/ReplayingCanvas.h" | |
| 42 #include "sky/engine/wtf/HexNumber.h" | |
| 43 #include "sky/engine/wtf/text/Base64.h" | |
| 44 #include "sky/engine/wtf/text/TextEncoding.h" | |
| 45 #include "third_party/skia/include/core/SkBitmapDevice.h" | |
| 46 #include "third_party/skia/include/core/SkPictureRecorder.h" | |
| 47 #include "third_party/skia/include/core/SkStream.h" | |
| 48 | |
| 49 namespace blink { | |
| 50 | |
| 51 GraphicsContext* GraphicsContextRecorder::record(const IntSize& size, bool isCer
tainlyOpaque) | |
| 52 { | |
| 53 ASSERT(!m_picture); | |
| 54 ASSERT(!m_recorder); | |
| 55 ASSERT(!m_context); | |
| 56 m_isCertainlyOpaque = isCertainlyOpaque; | |
| 57 m_recorder = adoptPtr(new SkPictureRecorder); | |
| 58 SkCanvas* canvas = m_recorder->beginRecording(size.width(), size.height(), 0
, 0); | |
| 59 m_context = adoptPtr(new GraphicsContext(canvas)); | |
| 60 m_context->setRegionTrackingMode(isCertainlyOpaque ? GraphicsContext::Region
TrackingOpaque : GraphicsContext::RegionTrackingDisabled); | |
| 61 m_context->setCertainlyOpaque(isCertainlyOpaque); | |
| 62 return m_context.get(); | |
| 63 } | |
| 64 | |
| 65 PassRefPtr<GraphicsContextSnapshot> GraphicsContextRecorder::stop() | |
| 66 { | |
| 67 m_context.clear(); | |
| 68 m_picture = adoptRef(m_recorder->endRecording()); | |
| 69 m_recorder.clear(); | |
| 70 return adoptRef(new GraphicsContextSnapshot(m_picture.release())); | |
| 71 } | |
| 72 | |
| 73 GraphicsContextSnapshot::GraphicsContextSnapshot(PassRefPtr<SkPicture> picture) | |
| 74 : m_picture(picture) | |
| 75 { | |
| 76 } | |
| 77 | |
| 78 static bool decodeBitmap(const void* data, size_t length, SkBitmap* result) | |
| 79 { | |
| 80 RefPtr<SharedBuffer> buffer = SharedBuffer::create(static_cast<const char*>(
data), length); | |
| 81 OwnPtr<ImageDecoder> imageDecoder = ImageDecoder::create(*buffer, ImageSourc
e::AlphaPremultiplied, ImageSource::GammaAndColorProfileIgnored); | |
| 82 if (!imageDecoder) | |
| 83 return false; | |
| 84 imageDecoder->setData(buffer.get(), true); | |
| 85 ImageFrame* frame = imageDecoder->frameBufferAtIndex(0); | |
| 86 if (!frame) | |
| 87 return true; | |
| 88 *result = frame->getSkBitmap(); | |
| 89 return true; | |
| 90 } | |
| 91 | |
| 92 PassRefPtr<GraphicsContextSnapshot> GraphicsContextSnapshot::load(const char* da
ta, size_t size) | |
| 93 { | |
| 94 SkMemoryStream stream(data, size); | |
| 95 RefPtr<SkPicture> picture = adoptRef(SkPicture::CreateFromStream(&stream, de
codeBitmap)); | |
| 96 if (!picture) | |
| 97 return nullptr; | |
| 98 return adoptRef(new GraphicsContextSnapshot(picture)); | |
| 99 } | |
| 100 | |
| 101 PassOwnPtr<Vector<char> > GraphicsContextSnapshot::replay(unsigned fromStep, uns
igned toStep, double scale) const | |
| 102 { | |
| 103 const SkIRect bounds = m_picture->cullRect().roundOut(); | |
| 104 SkBitmap bitmap; | |
| 105 bitmap.allocPixels(SkImageInfo::MakeN32Premul(bounds.width(), bounds.height(
))); | |
| 106 { | |
| 107 ReplayingCanvas canvas(bitmap, fromStep, toStep); | |
| 108 canvas.scale(scale, scale); | |
| 109 canvas.resetStepCount(); | |
| 110 m_picture->playback(&canvas, &canvas); | |
| 111 } | |
| 112 OwnPtr<Vector<char> > base64Data = adoptPtr(new Vector<char>()); | |
| 113 Vector<char> encodedImage; | |
| 114 if (!PNGImageEncoder::encode(bitmap, reinterpret_cast<Vector<unsigned char>*
>(&encodedImage))) | |
| 115 return nullptr; | |
| 116 base64Encode(encodedImage, *base64Data); | |
| 117 return base64Data.release(); | |
| 118 } | |
| 119 | |
| 120 PassOwnPtr<GraphicsContextSnapshot::Timings> GraphicsContextSnapshot::profile(un
signed minRepeatCount, double minDuration) const | |
| 121 { | |
| 122 OwnPtr<GraphicsContextSnapshot::Timings> timings = adoptPtr(new GraphicsCont
extSnapshot::Timings()); | |
| 123 timings->reserveCapacity(minRepeatCount); | |
| 124 const SkIRect bounds = m_picture->cullRect().roundOut(); | |
| 125 SkBitmap bitmap; | |
| 126 bitmap.allocPixels(SkImageInfo::MakeN32Premul(bounds.width(), bounds.height(
))); | |
| 127 OwnPtr<ProfilingCanvas> canvas = adoptPtr(new ProfilingCanvas(bitmap)); | |
| 128 | |
| 129 double now = WTF::monotonicallyIncreasingTime(); | |
| 130 double stopTime = now + minDuration; | |
| 131 for (unsigned step = 0; step < minRepeatCount || now < stopTime; ++step) { | |
| 132 timings->append(Vector<double>()); | |
| 133 Vector<double>* currentTimings = &timings->last(); | |
| 134 if (timings->size() > 1) | |
| 135 currentTimings->reserveCapacity(timings->begin()->size()); | |
| 136 if (step) | |
| 137 canvas = adoptPtr(new ProfilingCanvas(bitmap)); | |
| 138 canvas->setTimings(currentTimings); | |
| 139 m_picture->playback(canvas.get()); | |
| 140 now = WTF::monotonicallyIncreasingTime(); | |
| 141 } | |
| 142 return timings.release(); | |
| 143 } | |
| 144 | |
| 145 PassRefPtr<JSONArray> GraphicsContextSnapshot::snapshotCommandLog() const | |
| 146 { | |
| 147 const SkIRect bounds = m_picture->cullRect().roundOut(); | |
| 148 LoggingCanvas canvas(bounds.width(), bounds.height()); | |
| 149 m_picture->playback(&canvas); | |
| 150 return canvas.log(); | |
| 151 } | |
| 152 | |
| 153 } // namespace blink | |
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Chromium Code Reviews
Issue 851503003:
Update from https://crrev.com/311076 (Closed)
Base URL: git@github.com:domokit/mojo.git@master