| /* |
| * Copyright (C) 2017 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "InspectorCanvas.h" |
| |
| #include "AffineTransform.h" |
| #include "CachedImage.h" |
| #include "CanvasGradient.h" |
| #include "CanvasPattern.h" |
| #include "CanvasRenderingContext.h" |
| #include "CanvasRenderingContext2D.h" |
| #include "Document.h" |
| #include "FloatPoint.h" |
| #include "Gradient.h" |
| #include "HTMLCanvasElement.h" |
| #include "HTMLImageElement.h" |
| #include "HTMLVideoElement.h" |
| #include "Image.h" |
| #include "ImageBitmap.h" |
| #include "ImageBitmapRenderingContext.h" |
| #include "ImageBuffer.h" |
| #include "ImageData.h" |
| #include "InspectorDOMAgent.h" |
| #include "JSCanvasDirection.h" |
| #include "JSCanvasFillRule.h" |
| #include "JSCanvasLineCap.h" |
| #include "JSCanvasLineJoin.h" |
| #include "JSCanvasTextAlign.h" |
| #include "JSCanvasTextBaseline.h" |
| #include "JSExecState.h" |
| #include "JSImageSmoothingQuality.h" |
| #include "Path2D.h" |
| #include "Pattern.h" |
| #include "RecordingSwizzleTypes.h" |
| #include "SVGPathUtilities.h" |
| #include "StringAdaptors.h" |
| #if ENABLE(CSS_TYPED_OM) |
| #include "TypedOMCSSImageValue.h" |
| #endif |
| #if ENABLE(WEBGL) |
| #include "WebGLRenderingContext.h" |
| #endif |
| #if ENABLE(WEBGL2) |
| #include "WebGL2RenderingContext.h" |
| #endif |
| #if ENABLE(WEBGPU) |
| #include "GPUCanvasContext.h" |
| #endif |
| #include <JavaScriptCore/IdentifiersFactory.h> |
| #include <JavaScriptCore/ScriptCallStackFactory.h> |
| |
| namespace WebCore { |
| |
| using namespace Inspector; |
| |
| Ref<InspectorCanvas> InspectorCanvas::create(CanvasRenderingContext& context) |
| { |
| return adoptRef(*new InspectorCanvas(context)); |
| } |
| |
| InspectorCanvas::InspectorCanvas(CanvasRenderingContext& context) |
| : m_identifier("canvas:" + IdentifiersFactory::createIdentifier()) |
| , m_context(context) |
| { |
| } |
| |
| HTMLCanvasElement* InspectorCanvas::canvasElement() |
| { |
| if (is<HTMLCanvasElement>(m_context.canvasBase())) |
| return &downcast<HTMLCanvasElement>(m_context.canvasBase()); |
| return nullptr; |
| } |
| |
| void InspectorCanvas::canvasChanged() |
| { |
| if (!m_context.callTracingActive()) |
| return; |
| |
| // Since 2D contexts are able to be fully reproduced in the frontend, we don't need snapshots. |
| if (is<CanvasRenderingContext2D>(m_context)) |
| return; |
| |
| m_contentChanged = true; |
| } |
| |
| void InspectorCanvas::resetRecordingData() |
| { |
| m_initialState = nullptr; |
| m_frames = nullptr; |
| m_currentActions = nullptr; |
| m_serializedDuplicateData = nullptr; |
| m_indexedDuplicateData.clear(); |
| m_recordingName = { }; |
| m_bufferLimit = 100 * 1024 * 1024; |
| m_bufferUsed = 0; |
| m_frameCount = WTF::nullopt; |
| m_framesCaptured = 0; |
| m_contentChanged = false; |
| |
| m_context.setCallTracingActive(false); |
| } |
| |
| bool InspectorCanvas::hasRecordingData() const |
| { |
| return m_bufferUsed > 0; |
| } |
| |
| bool InspectorCanvas::currentFrameHasData() const |
| { |
| return !!m_frames; |
| } |
| |
| static bool shouldSnapshotBitmapRendererAction(const String& name) |
| { |
| return name == "transferFromImageBitmap"; |
| } |
| |
| #if ENABLE(WEBGL) |
| static bool shouldSnapshotWebGLAction(const String& name) |
| { |
| return name == "clear" |
| || name == "drawArrays" |
| || name == "drawElements"; |
| } |
| #endif |
| |
| #if ENABLE(WEBGL2) |
| static bool shouldSnapshotWebGL2Action(const String& name) |
| { |
| return name == "clear" |
| || name == "drawArrays" |
| || name == "drawArraysInstanced" |
| || name == "drawElements" |
| || name == "drawElementsInstanced"; |
| } |
| #endif |
| |
| void InspectorCanvas::recordAction(const String& name, Vector<RecordCanvasActionVariant>&& parameters) |
| { |
| if (!m_initialState) { |
| // We should only construct the initial state for the first action of the recording. |
| ASSERT(!m_frames && !m_currentActions); |
| |
| m_initialState = buildInitialState(); |
| m_bufferUsed += m_initialState->memoryCost(); |
| } |
| |
| if (!m_frames) |
| m_frames = JSON::ArrayOf<Inspector::Protocol::Recording::Frame>::create(); |
| |
| if (!m_currentActions) { |
| m_currentActions = JSON::ArrayOf<JSON::Value>::create(); |
| |
| auto frame = Inspector::Protocol::Recording::Frame::create() |
| .setActions(m_currentActions) |
| .release(); |
| |
| m_frames->addItem(WTFMove(frame)); |
| ++m_framesCaptured; |
| |
| m_currentFrameStartTime = MonotonicTime::now(); |
| } |
| |
| appendActionSnapshotIfNeeded(); |
| |
| m_lastRecordedAction = buildAction(name, WTFMove(parameters)); |
| m_bufferUsed += m_lastRecordedAction->memoryCost(); |
| m_currentActions->addItem(m_lastRecordedAction.get()); |
| |
| if (is<ImageBitmapRenderingContext>(m_context) && shouldSnapshotBitmapRendererAction(name)) |
| m_contentChanged = true; |
| #if ENABLE(WEBGL) |
| else if (is<WebGLRenderingContext>(m_context) && shouldSnapshotWebGLAction(name)) |
| m_contentChanged = true; |
| #endif |
| #if ENABLE(WEBGL2) |
| else if (is<WebGL2RenderingContext>(m_context) && shouldSnapshotWebGL2Action(name)) |
| m_contentChanged = true; |
| #endif |
| } |
| |
| void InspectorCanvas::finalizeFrame() |
| { |
| appendActionSnapshotIfNeeded(); |
| |
| if (m_frames && m_frames->length() && !std::isnan(m_currentFrameStartTime)) { |
| auto currentFrame = static_cast<Inspector::Protocol::Recording::Frame*>(m_frames->get(m_frames->length() - 1).get()); |
| currentFrame->setDuration((MonotonicTime::now() - m_currentFrameStartTime).milliseconds()); |
| |
| m_currentFrameStartTime = MonotonicTime::nan(); |
| } |
| |
| m_currentActions = nullptr; |
| } |
| |
| void InspectorCanvas::markCurrentFrameIncomplete() |
| { |
| if (!m_currentActions || !m_frames || !m_frames->length()) |
| return; |
| |
| static_cast<Inspector::Protocol::Recording::Frame*>(m_frames->get(m_frames->length() - 1).get())->setIncomplete(true); |
| } |
| |
| void InspectorCanvas::setBufferLimit(long memoryLimit) |
| { |
| m_bufferLimit = std::min<long>(memoryLimit, std::numeric_limits<int>::max()); |
| } |
| |
| bool InspectorCanvas::hasBufferSpace() const |
| { |
| return m_bufferUsed < m_bufferLimit; |
| } |
| |
| void InspectorCanvas::setFrameCount(long frameCount) |
| { |
| if (frameCount > 0) |
| m_frameCount = std::min<long>(frameCount, std::numeric_limits<int>::max()); |
| else |
| m_frameCount = WTF::nullopt; |
| } |
| |
| bool InspectorCanvas::overFrameCount() const |
| { |
| return m_frameCount && m_framesCaptured >= m_frameCount.value(); |
| } |
| |
| Ref<Inspector::Protocol::Canvas::Canvas> InspectorCanvas::buildObjectForCanvas(bool captureBacktrace) |
| { |
| Inspector::Protocol::Canvas::ContextType contextType; |
| if (is<CanvasRenderingContext2D>(m_context)) |
| contextType = Inspector::Protocol::Canvas::ContextType::Canvas2D; |
| else if (is<ImageBitmapRenderingContext>(m_context)) |
| contextType = Inspector::Protocol::Canvas::ContextType::BitmapRenderer; |
| #if ENABLE(WEBGL) |
| else if (is<WebGLRenderingContext>(m_context)) |
| contextType = Inspector::Protocol::Canvas::ContextType::WebGL; |
| #endif |
| #if ENABLE(WEBGL2) |
| else if (is<WebGL2RenderingContext>(m_context)) |
| contextType = Inspector::Protocol::Canvas::ContextType::WebGL2; |
| #endif |
| #if ENABLE(WEBGPU) |
| else if (is<GPUCanvasContext>(m_context)) |
| contextType = Inspector::Protocol::Canvas::ContextType::WebGPU; |
| #endif |
| else { |
| ASSERT_NOT_REACHED(); |
| contextType = Inspector::Protocol::Canvas::ContextType::Canvas2D; |
| } |
| |
| auto canvas = Inspector::Protocol::Canvas::Canvas::create() |
| .setCanvasId(m_identifier) |
| .setContextType(contextType) |
| .release(); |
| |
| if (auto* node = canvasElement()) { |
| String cssCanvasName = node->document().nameForCSSCanvasElement(*node); |
| if (!cssCanvasName.isEmpty()) |
| canvas->setCssCanvasName(cssCanvasName); |
| |
| // FIXME: <https://webkit.org/b/178282> Web Inspector: send a DOM node with each Canvas payload and eliminate Canvas.requestNode |
| } |
| |
| if (is<ImageBitmapRenderingContext>(m_context)) { |
| auto contextAttributes = Inspector::Protocol::Canvas::ContextAttributes::create() |
| .release(); |
| contextAttributes->setAlpha(downcast<ImageBitmapRenderingContext>(m_context).hasAlpha()); |
| canvas->setContextAttributes(WTFMove(contextAttributes)); |
| } |
| #if ENABLE(WEBGL) |
| else if (is<WebGLRenderingContextBase>(m_context)) { |
| if (Optional<WebGLContextAttributes> attributes = downcast<WebGLRenderingContextBase>(m_context).getContextAttributes()) { |
| auto contextAttributes = Inspector::Protocol::Canvas::ContextAttributes::create() |
| .release(); |
| contextAttributes->setAlpha(attributes->alpha); |
| contextAttributes->setDepth(attributes->depth); |
| contextAttributes->setStencil(attributes->stencil); |
| contextAttributes->setAntialias(attributes->antialias); |
| contextAttributes->setPremultipliedAlpha(attributes->premultipliedAlpha); |
| contextAttributes->setPreserveDrawingBuffer(attributes->preserveDrawingBuffer); |
| contextAttributes->setFailIfMajorPerformanceCaveat(attributes->failIfMajorPerformanceCaveat); |
| canvas->setContextAttributes(WTFMove(contextAttributes)); |
| } |
| } |
| #endif |
| |
| // FIXME: <https://webkit.org/b/180833> Web Inspector: support OffscreenCanvas for Canvas related operations |
| |
| if (auto* node = canvasElement()) { |
| if (size_t memoryCost = node->memoryCost()) |
| canvas->setMemoryCost(memoryCost); |
| } |
| |
| if (captureBacktrace) { |
| auto stackTrace = Inspector::createScriptCallStack(JSExecState::currentState(), Inspector::ScriptCallStack::maxCallStackSizeToCapture); |
| canvas->setBacktrace(stackTrace->buildInspectorArray()); |
| } |
| |
| return canvas; |
| } |
| |
| Ref<Inspector::Protocol::Recording::Recording> InspectorCanvas::releaseObjectForRecording() |
| { |
| ASSERT(!m_currentActions); |
| ASSERT(!m_lastRecordedAction); |
| ASSERT(!m_frames); |
| |
| Inspector::Protocol::Recording::Type type; |
| if (is<CanvasRenderingContext2D>(m_context)) |
| type = Inspector::Protocol::Recording::Type::Canvas2D; |
| else if (is<ImageBitmapRenderingContext>(m_context)) |
| type = Inspector::Protocol::Recording::Type::CanvasBitmapRenderer; |
| #if ENABLE(WEBGL) |
| else if (is<WebGLRenderingContext>(m_context)) |
| type = Inspector::Protocol::Recording::Type::CanvasWebGL; |
| #endif |
| #if ENABLE(WEBGL2) |
| else if (is<WebGL2RenderingContext>(m_context)) |
| type = Inspector::Protocol::Recording::Type::CanvasWebGL2; |
| #endif |
| else { |
| ASSERT_NOT_REACHED(); |
| type = Inspector::Protocol::Recording::Type::Canvas2D; |
| } |
| |
| auto recording = Inspector::Protocol::Recording::Recording::create() |
| .setVersion(Inspector::Protocol::Recording::VERSION) |
| .setType(type) |
| .setInitialState(m_initialState.releaseNonNull()) |
| .setData(m_serializedDuplicateData.releaseNonNull()) |
| .release(); |
| |
| if (!m_recordingName.isEmpty()) |
| recording->setName(m_recordingName); |
| |
| resetRecordingData(); |
| |
| return recording; |
| } |
| |
| String InspectorCanvas::getCanvasContentAsDataURL(ErrorString& errorString) |
| { |
| // FIXME: <https://webkit.org/b/173621> Web Inspector: Support getting the content of WebMetal context; |
| if (!is<CanvasRenderingContext2D>(m_context) |
| #if ENABLE(WEBGL) |
| && !is<WebGLRenderingContextBase>(m_context) |
| #endif |
| && !is<ImageBitmapRenderingContext>(m_context)) { |
| errorString = "Unsupported canvas context type"_s; |
| return emptyString(); |
| } |
| |
| // FIXME: <https://webkit.org/b/180833> Web Inspector: support OffscreenCanvas for Canvas related operations |
| auto* node = canvasElement(); |
| if (!node) { |
| errorString = "Context isn't related to an HTMLCanvasElement"_s; |
| return emptyString(); |
| } |
| |
| #if ENABLE(WEBGL) |
| if (is<WebGLRenderingContextBase>(m_context)) |
| downcast<WebGLRenderingContextBase>(m_context).setPreventBufferClearForInspector(true); |
| #endif |
| |
| ExceptionOr<UncachedString> result = node->toDataURL("image/png"_s); |
| |
| #if ENABLE(WEBGL) |
| if (is<WebGLRenderingContextBase>(m_context)) |
| downcast<WebGLRenderingContextBase>(m_context).setPreventBufferClearForInspector(false); |
| #endif |
| |
| if (result.hasException()) { |
| errorString = result.releaseException().releaseMessage(); |
| return emptyString(); |
| } |
| |
| return result.releaseReturnValue().string; |
| } |
| |
| void InspectorCanvas::appendActionSnapshotIfNeeded() |
| { |
| if (!m_lastRecordedAction) |
| return; |
| |
| if (m_contentChanged) { |
| m_bufferUsed -= m_lastRecordedAction->memoryCost(); |
| |
| ErrorString ignored; |
| m_lastRecordedAction->addItem(indexForData(getCanvasContentAsDataURL(ignored))); |
| |
| m_bufferUsed += m_lastRecordedAction->memoryCost(); |
| } |
| |
| m_lastRecordedAction = nullptr; |
| m_contentChanged = false; |
| } |
| |
| int InspectorCanvas::indexForData(DuplicateDataVariant data) |
| { |
| size_t index = m_indexedDuplicateData.findMatching([&] (auto item) { |
| if (data == item) |
| return true; |
| |
| auto traceA = WTF::get_if<RefPtr<ScriptCallStack>>(data); |
| auto traceB = WTF::get_if<RefPtr<ScriptCallStack>>(item); |
| if (traceA && *traceA && traceB && *traceB) |
| return (*traceA)->isEqual((*traceB).get()); |
| |
| return false; |
| }); |
| if (index != notFound) { |
| ASSERT(index < std::numeric_limits<int>::max()); |
| return static_cast<int>(index); |
| } |
| |
| if (!m_serializedDuplicateData) |
| m_serializedDuplicateData = JSON::ArrayOf<JSON::Value>::create(); |
| |
| RefPtr<JSON::Value> item; |
| WTF::switchOn(data, |
| [&] (const RefPtr<HTMLImageElement>& imageElement) { |
| String dataURL = "data:,"_s; |
| |
| if (CachedImage* cachedImage = imageElement->cachedImage()) { |
| Image* image = cachedImage->image(); |
| if (image && image != &Image::nullImage()) { |
| std::unique_ptr<ImageBuffer> imageBuffer = ImageBuffer::create(image->size(), RenderingMode::Unaccelerated); |
| imageBuffer->context().drawImage(*image, FloatPoint(0, 0)); |
| dataURL = imageBuffer->toDataURL("image/png"); |
| } |
| } |
| |
| index = indexForData(dataURL); |
| }, |
| #if ENABLE(VIDEO) |
| [&] (RefPtr<HTMLVideoElement>& videoElement) { |
| String dataURL = "data:,"_s; |
| |
| unsigned videoWidth = videoElement->videoWidth(); |
| unsigned videoHeight = videoElement->videoHeight(); |
| std::unique_ptr<ImageBuffer> imageBuffer = ImageBuffer::create(FloatSize(videoWidth, videoHeight), RenderingMode::Unaccelerated); |
| if (imageBuffer) { |
| videoElement->paintCurrentFrameInContext(imageBuffer->context(), FloatRect(0, 0, videoWidth, videoHeight)); |
| dataURL = imageBuffer->toDataURL("image/png"); |
| } |
| |
| index = indexForData(dataURL); |
| }, |
| #endif |
| [&] (RefPtr<HTMLCanvasElement>& canvasElement) { |
| String dataURL = "data:,"_s; |
| |
| ExceptionOr<UncachedString> result = canvasElement->toDataURL("image/png"_s); |
| if (!result.hasException()) |
| dataURL = result.releaseReturnValue().string; |
| |
| index = indexForData(dataURL); |
| }, |
| [&] (const RefPtr<CanvasGradient>& canvasGradient) { item = buildArrayForCanvasGradient(*canvasGradient); }, |
| [&] (const RefPtr<CanvasPattern>& canvasPattern) { item = buildArrayForCanvasPattern(*canvasPattern); }, |
| [&] (const RefPtr<ImageData>& imageData) { item = buildArrayForImageData(*imageData); }, |
| [&] (RefPtr<ImageBitmap>& imageBitmap) { |
| index = indexForData(imageBitmap->buffer()->toDataURL("image/png")); |
| }, |
| [&] (const RefPtr<ScriptCallStack>& scriptCallStack) { |
| auto array = JSON::ArrayOf<double>::create(); |
| for (size_t i = 0; i < scriptCallStack->size(); ++i) |
| array->addItem(indexForData(scriptCallStack->at(i))); |
| item = WTFMove(array); |
| }, |
| #if ENABLE(CSS_TYPED_OM) |
| [&] (const RefPtr<TypedOMCSSImageValue>& cssImageValue) { |
| String dataURL = "data:,"_s; |
| |
| if (auto* cachedImage = cssImageValue->image()) { |
| auto* image = cachedImage->image(); |
| if (image && image != &Image::nullImage()) { |
| auto imageBuffer = ImageBuffer::create(image->size(), RenderingMode::Unaccelerated); |
| imageBuffer->context().drawImage(*image, FloatPoint(0, 0)); |
| dataURL = imageBuffer->toDataURL("image/png"); |
| } |
| } |
| |
| index = indexForData(dataURL); |
| }, |
| #endif |
| [&] (const ScriptCallFrame& scriptCallFrame) { |
| auto array = JSON::ArrayOf<double>::create(); |
| array->addItem(indexForData(scriptCallFrame.functionName())); |
| array->addItem(indexForData(scriptCallFrame.sourceURL())); |
| array->addItem(static_cast<int>(scriptCallFrame.lineNumber())); |
| array->addItem(static_cast<int>(scriptCallFrame.columnNumber())); |
| item = WTFMove(array); |
| }, |
| [&] (const String& value) { item = JSON::Value::create(value); } |
| ); |
| |
| if (item) { |
| m_bufferUsed += item->memoryCost(); |
| m_serializedDuplicateData->addItem(WTFMove(item)); |
| |
| m_indexedDuplicateData.append(data); |
| index = m_indexedDuplicateData.size() - 1; |
| } |
| |
| ASSERT(index < std::numeric_limits<int>::max()); |
| return static_cast<int>(index); |
| } |
| |
| String InspectorCanvas::stringIndexForKey(const String& key) |
| { |
| return String::number(indexForData(key)); |
| } |
| |
| static Ref<JSON::ArrayOf<double>> buildArrayForAffineTransform(const AffineTransform& affineTransform) |
| { |
| auto array = JSON::ArrayOf<double>::create(); |
| array->addItem(affineTransform.a()); |
| array->addItem(affineTransform.b()); |
| array->addItem(affineTransform.c()); |
| array->addItem(affineTransform.d()); |
| array->addItem(affineTransform.e()); |
| array->addItem(affineTransform.f()); |
| return array; |
| } |
| |
| template<typename T> static Ref<JSON::ArrayOf<JSON::Value>> buildArrayForVector(const Vector<T>& vector) |
| { |
| auto array = JSON::ArrayOf<JSON::Value>::create(); |
| for (auto& item : vector) |
| array->addItem(item); |
| return array; |
| } |
| |
| Ref<Inspector::Protocol::Recording::InitialState> InspectorCanvas::buildInitialState() |
| { |
| auto initialStatePayload = Inspector::Protocol::Recording::InitialState::create().release(); |
| |
| auto attributesPayload = JSON::Object::create(); |
| attributesPayload->setInteger("width"_s, m_context.canvasBase().width()); |
| attributesPayload->setInteger("height"_s, m_context.canvasBase().height()); |
| |
| auto statesPayload = JSON::ArrayOf<JSON::Object>::create(); |
| |
| auto parametersPayload = JSON::ArrayOf<JSON::Value>::create(); |
| |
| if (is<CanvasRenderingContext2D>(m_context)) { |
| auto& context2d = downcast<CanvasRenderingContext2D>(m_context); |
| for (auto& state : context2d.stateStack()) { |
| auto statePayload = JSON::Object::create(); |
| |
| statePayload->setArray(stringIndexForKey("setTransform"_s), buildArrayForAffineTransform(state.transform)); |
| statePayload->setDouble(stringIndexForKey("globalAlpha"_s), context2d.globalAlpha()); |
| statePayload->setInteger(stringIndexForKey("globalCompositeOperation"_s), indexForData(context2d.globalCompositeOperation())); |
| statePayload->setDouble(stringIndexForKey("lineWidth"_s), context2d.lineWidth()); |
| statePayload->setInteger(stringIndexForKey("lineCap"_s), indexForData(convertEnumerationToString(context2d.lineCap()))); |
| statePayload->setInteger(stringIndexForKey("lineJoin"_s), indexForData(convertEnumerationToString(context2d.lineJoin()))); |
| statePayload->setDouble(stringIndexForKey("miterLimit"_s), context2d.miterLimit()); |
| statePayload->setDouble(stringIndexForKey("shadowOffsetX"_s), context2d.shadowOffsetX()); |
| statePayload->setDouble(stringIndexForKey("shadowOffsetY"_s), context2d.shadowOffsetY()); |
| statePayload->setDouble(stringIndexForKey("shadowBlur"_s), context2d.shadowBlur()); |
| statePayload->setInteger(stringIndexForKey("shadowColor"_s), indexForData(context2d.shadowColor())); |
| |
| // The parameter to `setLineDash` is itself an array, so we need to wrap the parameters |
| // list in an array to allow spreading. |
| auto setLineDash = JSON::ArrayOf<JSON::Value>::create(); |
| setLineDash->addItem(buildArrayForVector(state.lineDash)); |
| statePayload->setArray(stringIndexForKey("setLineDash"_s), WTFMove(setLineDash)); |
| |
| statePayload->setDouble(stringIndexForKey("lineDashOffset"_s), context2d.lineDashOffset()); |
| statePayload->setInteger(stringIndexForKey("font"_s), indexForData(context2d.font())); |
| statePayload->setInteger(stringIndexForKey("textAlign"_s), indexForData(convertEnumerationToString(context2d.textAlign()))); |
| statePayload->setInteger(stringIndexForKey("textBaseline"_s), indexForData(convertEnumerationToString(context2d.textBaseline()))); |
| statePayload->setInteger(stringIndexForKey("direction"_s), indexForData(convertEnumerationToString(context2d.direction()))); |
| |
| int strokeStyleIndex; |
| if (auto canvasGradient = state.strokeStyle.canvasGradient()) |
| strokeStyleIndex = indexForData(canvasGradient); |
| else if (auto canvasPattern = state.strokeStyle.canvasPattern()) |
| strokeStyleIndex = indexForData(canvasPattern); |
| else |
| strokeStyleIndex = indexForData(state.strokeStyle.color()); |
| statePayload->setInteger(stringIndexForKey("strokeStyle"_s), strokeStyleIndex); |
| |
| int fillStyleIndex; |
| if (auto canvasGradient = state.fillStyle.canvasGradient()) |
| fillStyleIndex = indexForData(canvasGradient); |
| else if (auto canvasPattern = state.fillStyle.canvasPattern()) |
| fillStyleIndex = indexForData(canvasPattern); |
| else |
| fillStyleIndex = indexForData(state.fillStyle.color()); |
| statePayload->setInteger(stringIndexForKey("fillStyle"_s), fillStyleIndex); |
| |
| statePayload->setBoolean(stringIndexForKey("imageSmoothingEnabled"_s), context2d.imageSmoothingEnabled()); |
| statePayload->setInteger(stringIndexForKey("imageSmoothingQuality"_s), indexForData(convertEnumerationToString(context2d.imageSmoothingQuality()))); |
| |
| auto setPath = JSON::ArrayOf<JSON::Value>::create(); |
| setPath->addItem(indexForData(buildStringFromPath(context2d.getPath()->path()))); |
| statePayload->setArray(stringIndexForKey("setPath"_s), WTFMove(setPath)); |
| |
| statesPayload->addItem(WTFMove(statePayload)); |
| } |
| } |
| #if ENABLE(WEBGL) |
| else if (is<WebGLRenderingContextBase>(m_context)) { |
| WebGLRenderingContextBase& contextWebGLBase = downcast<WebGLRenderingContextBase>(m_context); |
| if (Optional<WebGLContextAttributes> webGLContextAttributes = contextWebGLBase.getContextAttributes()) { |
| auto webGLContextAttributesPayload = JSON::Object::create(); |
| webGLContextAttributesPayload->setBoolean("alpha"_s, webGLContextAttributes->alpha); |
| webGLContextAttributesPayload->setBoolean("depth"_s, webGLContextAttributes->depth); |
| webGLContextAttributesPayload->setBoolean("stencil"_s, webGLContextAttributes->stencil); |
| webGLContextAttributesPayload->setBoolean("antialias"_s, webGLContextAttributes->antialias); |
| webGLContextAttributesPayload->setBoolean("premultipliedAlpha"_s, webGLContextAttributes->premultipliedAlpha); |
| webGLContextAttributesPayload->setBoolean("preserveDrawingBuffer"_s, webGLContextAttributes->preserveDrawingBuffer); |
| webGLContextAttributesPayload->setBoolean("failIfMajorPerformanceCaveat"_s, webGLContextAttributes->failIfMajorPerformanceCaveat); |
| parametersPayload->addItem(WTFMove(webGLContextAttributesPayload)); |
| } |
| } |
| #endif |
| |
| initialStatePayload->setAttributes(WTFMove(attributesPayload)); |
| |
| if (statesPayload->length()) |
| initialStatePayload->setStates(WTFMove(statesPayload)); |
| |
| if (parametersPayload->length()) |
| initialStatePayload->setParameters(WTFMove(parametersPayload)); |
| |
| ErrorString ignored; |
| initialStatePayload->setContent(getCanvasContentAsDataURL(ignored)); |
| |
| return initialStatePayload; |
| } |
| |
| Ref<JSON::ArrayOf<JSON::Value>> InspectorCanvas::buildAction(const String& name, Vector<RecordCanvasActionVariant>&& parameters) |
| { |
| auto action = JSON::ArrayOf<JSON::Value>::create(); |
| action->addItem(indexForData(name)); |
| |
| auto parametersData = JSON::ArrayOf<JSON::Value>::create(); |
| auto swizzleTypes = JSON::ArrayOf<int>::create(); |
| |
| auto addParameter = [¶metersData, &swizzleTypes] (auto value, RecordingSwizzleTypes swizzleType) { |
| parametersData->addItem(value); |
| swizzleTypes->addItem(static_cast<int>(swizzleType)); |
| }; |
| |
| for (auto& item : parameters) { |
| WTF::switchOn(item, |
| [&] (CanvasDirection value) { addParameter(indexForData(convertEnumerationToString(value)), RecordingSwizzleTypes::String); }, |
| [&] (CanvasFillRule value) { addParameter(indexForData(convertEnumerationToString(value)), RecordingSwizzleTypes::String); }, |
| [&] (CanvasLineCap value) { addParameter(indexForData(convertEnumerationToString(value)), RecordingSwizzleTypes::String); }, |
| [&] (CanvasLineJoin value) { addParameter(indexForData(convertEnumerationToString(value)), RecordingSwizzleTypes::String); }, |
| [&] (CanvasTextAlign value) { addParameter(indexForData(convertEnumerationToString(value)), RecordingSwizzleTypes::String); }, |
| [&] (CanvasTextBaseline value) { addParameter(indexForData(convertEnumerationToString(value)), RecordingSwizzleTypes::String); }, |
| [&] (const DOMMatrix2DInit& value) { |
| auto array = JSON::ArrayOf<double>::create(); |
| array->addItem(value.a.valueOr(1)); |
| array->addItem(value.b.valueOr(0)); |
| array->addItem(value.c.valueOr(0)); |
| array->addItem(value.d.valueOr(1)); |
| array->addItem(value.e.valueOr(0)); |
| array->addItem(value.f.valueOr(0)); |
| addParameter(array.ptr(), RecordingSwizzleTypes::DOMMatrix); |
| }, |
| [&] (const Element*) { |
| // Elements are not serializable, so add a string as a placeholder since the actual |
| // element cannot be reconstructed in the frontend. |
| addParameter(indexForData("Element"), RecordingSwizzleTypes::None); |
| }, |
| [&] (HTMLImageElement* value) { addParameter(indexForData(value), RecordingSwizzleTypes::Image); }, |
| [&] (ImageBitmap* value) { addParameter(indexForData(value), RecordingSwizzleTypes::ImageBitmap); }, |
| [&] (ImageData* value) { addParameter(indexForData(value), RecordingSwizzleTypes::ImageData); }, |
| [&] (ImageSmoothingQuality value) { addParameter(indexForData(convertEnumerationToString(value)), RecordingSwizzleTypes::String); }, |
| [&] (const Path2D* value) { addParameter(indexForData(buildStringFromPath(value->path())), RecordingSwizzleTypes::Path2D); }, |
| #if ENABLE(WEBGL) |
| // FIXME: <https://webkit.org/b/176009> Web Inspector: send data for WebGL objects during a recording instead of a placeholder string |
| [&] (const WebGLBuffer*) { addParameter(0, RecordingSwizzleTypes::WebGLBuffer); }, |
| [&] (const WebGLFramebuffer*) { addParameter(0, RecordingSwizzleTypes::WebGLFramebuffer); }, |
| [&] (const WebGLProgram*) { addParameter(0, RecordingSwizzleTypes::WebGLProgram); }, |
| [&] (const WebGLQuery*) { addParameter(0, RecordingSwizzleTypes::WebGLQuery); }, |
| [&] (const WebGLRenderbuffer*) { addParameter(0, RecordingSwizzleTypes::WebGLRenderbuffer); }, |
| [&] (const WebGLSampler*) { addParameter(0, RecordingSwizzleTypes::WebGLSampler); }, |
| [&] (const WebGLShader*) { addParameter(0, RecordingSwizzleTypes::WebGLShader); }, |
| [&] (const WebGLSync*) { addParameter(0, RecordingSwizzleTypes::WebGLSync); }, |
| [&] (const WebGLTexture*) { addParameter(0, RecordingSwizzleTypes::WebGLTexture); }, |
| [&] (const WebGLTransformFeedback*) { addParameter(0, RecordingSwizzleTypes::WebGLTransformFeedback); }, |
| [&] (const WebGLUniformLocation*) { addParameter(0, RecordingSwizzleTypes::WebGLUniformLocation); }, |
| [&] (const WebGLVertexArrayObject*) { addParameter(0, RecordingSwizzleTypes::WebGLVertexArrayObject); }, |
| #endif |
| [&] (const RefPtr<ArrayBuffer>&) { addParameter(0, RecordingSwizzleTypes::TypedArray); }, |
| [&] (const RefPtr<ArrayBufferView>&) { addParameter(0, RecordingSwizzleTypes::TypedArray); }, |
| [&] (const RefPtr<CanvasGradient>& value) { addParameter(indexForData(value), RecordingSwizzleTypes::CanvasGradient); }, |
| [&] (const RefPtr<CanvasPattern>& value) { addParameter(indexForData(value), RecordingSwizzleTypes::CanvasPattern); }, |
| [&] (const RefPtr<Float32Array>&) { addParameter(0, RecordingSwizzleTypes::TypedArray); }, |
| [&] (const RefPtr<HTMLCanvasElement>& value) { addParameter(indexForData(value), RecordingSwizzleTypes::Image); }, |
| [&] (const RefPtr<HTMLImageElement>& value) { addParameter(indexForData(value), RecordingSwizzleTypes::Image); }, |
| #if ENABLE(VIDEO) |
| [&] (const RefPtr<HTMLVideoElement>& value) { addParameter(indexForData(value), RecordingSwizzleTypes::Image); }, |
| #endif |
| #if ENABLE(CSS_TYPED_OM) |
| [&] (const RefPtr<TypedOMCSSImageValue>& value) { addParameter(indexForData(value), RecordingSwizzleTypes::Image); }, |
| #endif |
| [&] (const RefPtr<ImageBitmap>& value) { addParameter(indexForData(value), RecordingSwizzleTypes::ImageBitmap); }, |
| [&] (const RefPtr<ImageData>& value) { addParameter(indexForData(value), RecordingSwizzleTypes::ImageData); }, |
| [&] (const RefPtr<Int32Array>&) { addParameter(0, RecordingSwizzleTypes::TypedArray); }, |
| [&] (const RefPtr<Uint32Array>&) { addParameter(0, RecordingSwizzleTypes::TypedArray); }, |
| [&] (const Vector<String>& value) { |
| auto deduplicated = value.map([&] (const String& item) { |
| return indexForData(item); |
| }); |
| addParameter(buildArrayForVector(deduplicated).ptr(), RecordingSwizzleTypes::Array); |
| }, |
| [&] (const Vector<float>& value) { addParameter(buildArrayForVector(value).ptr(), RecordingSwizzleTypes::Array); }, |
| [&] (const Vector<uint32_t>& value) { |
| auto mapped = value.map([&] (uint32_t item) { |
| return static_cast<double>(item); |
| }); |
| addParameter(buildArrayForVector(mapped).ptr(), RecordingSwizzleTypes::Array); |
| }, |
| [&] (const Vector<int32_t>& value) { addParameter(buildArrayForVector(value).ptr(), RecordingSwizzleTypes::Array); }, |
| [&] (const String& value) { addParameter(indexForData(value), RecordingSwizzleTypes::String); }, |
| [&] (double value) { addParameter(value, RecordingSwizzleTypes::Number); }, |
| [&] (float value) { addParameter(value, RecordingSwizzleTypes::Number); }, |
| [&] (uint64_t value) { addParameter(static_cast<double>(value), RecordingSwizzleTypes::Number); }, |
| [&] (int64_t value) { addParameter(static_cast<double>(value), RecordingSwizzleTypes::Number); }, |
| [&] (uint32_t value) { addParameter(static_cast<double>(value), RecordingSwizzleTypes::Number); }, |
| [&] (int32_t value) { addParameter(value, RecordingSwizzleTypes::Number); }, |
| [&] (uint8_t value) { addParameter(static_cast<int>(value), RecordingSwizzleTypes::Number); }, |
| [&] (bool value) { addParameter(value, RecordingSwizzleTypes::Boolean); } |
| ); |
| } |
| |
| action->addItem(WTFMove(parametersData)); |
| action->addItem(WTFMove(swizzleTypes)); |
| |
| auto trace = Inspector::createScriptCallStack(JSExecState::currentState(), Inspector::ScriptCallStack::maxCallStackSizeToCapture); |
| action->addItem(indexForData(trace.ptr())); |
| |
| return action; |
| } |
| |
| Ref<JSON::ArrayOf<JSON::Value>> InspectorCanvas::buildArrayForCanvasGradient(const CanvasGradient& canvasGradient) |
| { |
| const auto& gradient = canvasGradient.gradient(); |
| |
| String type = gradient.type() == Gradient::Type::Radial ? "radial-gradient"_s : gradient.type() == Gradient::Type::Linear ? "linear-gradient"_s : "conic-gradient"_s; |
| |
| auto parameters = JSON::ArrayOf<float>::create(); |
| WTF::switchOn(gradient.data(), |
| [¶meters] (const Gradient::LinearData& data) { |
| parameters->addItem(data.point0.x()); |
| parameters->addItem(data.point0.y()); |
| parameters->addItem(data.point1.x()); |
| parameters->addItem(data.point1.y()); |
| }, |
| [¶meters] (const Gradient::RadialData& data) { |
| parameters->addItem(data.point0.x()); |
| parameters->addItem(data.point0.y()); |
| parameters->addItem(data.startRadius); |
| parameters->addItem(data.point1.x()); |
| parameters->addItem(data.point1.y()); |
| parameters->addItem(data.endRadius); |
| }, |
| [¶meters] (const Gradient::ConicData& data) { |
| parameters->addItem(data.point0.x()); |
| parameters->addItem(data.point0.y()); |
| parameters->addItem(data.angleRadians); |
| } |
| ); |
| |
| auto stops = JSON::ArrayOf<JSON::Value>::create(); |
| for (auto& colorStop : gradient.stops()) { |
| auto stop = JSON::ArrayOf<JSON::Value>::create(); |
| stop->addItem(colorStop.offset); |
| stop->addItem(indexForData(colorStop.color.cssText())); |
| stops->addItem(WTFMove(stop)); |
| } |
| |
| auto array = JSON::ArrayOf<JSON::Value>::create(); |
| array->addItem(indexForData(type)); |
| array->addItem(WTFMove(parameters)); |
| array->addItem(WTFMove(stops)); |
| return array; |
| } |
| |
| Ref<JSON::ArrayOf<JSON::Value>> InspectorCanvas::buildArrayForCanvasPattern(const CanvasPattern& canvasPattern) |
| { |
| Image& tileImage = canvasPattern.pattern().tileImage(); |
| auto imageBuffer = ImageBuffer::create(tileImage.size(), RenderingMode::Unaccelerated); |
| imageBuffer->context().drawImage(tileImage, FloatPoint(0, 0)); |
| |
| String repeat; |
| bool repeatX = canvasPattern.pattern().repeatX(); |
| bool repeatY = canvasPattern.pattern().repeatY(); |
| if (repeatX && repeatY) |
| repeat = "repeat"_s; |
| else if (repeatX && !repeatY) |
| repeat = "repeat-x"_s; |
| else if (!repeatX && repeatY) |
| repeat = "repeat-y"_s; |
| else |
| repeat = "no-repeat"_s; |
| |
| auto array = JSON::ArrayOf<JSON::Value>::create(); |
| array->addItem(indexForData(imageBuffer->toDataURL("image/png"))); |
| array->addItem(indexForData(repeat)); |
| return array; |
| } |
| |
| Ref<JSON::ArrayOf<JSON::Value>> InspectorCanvas::buildArrayForImageData(const ImageData& imageData) |
| { |
| auto data = JSON::ArrayOf<int>::create(); |
| for (size_t i = 0; i < imageData.data()->length(); ++i) |
| data->addItem(imageData.data()->item(i)); |
| |
| auto array = JSON::ArrayOf<JSON::Value>::create(); |
| array->addItem(WTFMove(data)); |
| array->addItem(imageData.width()); |
| array->addItem(imageData.height()); |
| return array; |
| } |
| |
| } // namespace WebCore |
| |
