| File: | Volumes/Data/worker/Apple-iOS-26-Safer-CPP-Checks-EWS/build/Source/WebCore/inspector/InspectorCanvas.cpp |
| Warning: | line 548, column 30 Local variable 'cachedImage' is uncounted and unsafe |
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| 1 | /* |
| 2 | * Copyright (C) 2017-2023 Apple Inc. All rights reserved. |
| 3 | * Copyright (C) 2025 Samuel Weinig <sam@webkit.org> |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * |
| 14 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| 15 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 17 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| 18 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 19 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 20 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 21 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 22 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 24 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | */ |
| 26 | |
| 27 | #include "config.h" |
| 28 | #include "InspectorCanvas.h" |
| 29 | |
| 30 | #include "AffineTransform.h" |
| 31 | #include "CSSStyleImageValue.h" |
| 32 | #include "CachedImage.h" |
| 33 | #include "CanvasGradient.h" |
| 34 | #include "CanvasPattern.h" |
| 35 | #include "CanvasRenderingContext2D.h" |
| 36 | #include "ColorSerialization.h" |
| 37 | #include "DOMMatrix2DInit.h" |
| 38 | #include "DOMPointInit.h" |
| 39 | #include "Document.h" |
| 40 | #include "Element.h" |
| 41 | #include "FloatPoint.h" |
| 42 | #include "Gradient.h" |
| 43 | #include "HTMLCanvasElement.h" |
| 44 | #include "HTMLImageElement.h" |
| 45 | #include "HTMLVideoElement.h" |
| 46 | #include "Image.h" |
| 47 | #include "ImageBitmap.h" |
| 48 | #include "ImageBitmapRenderingContext.h" |
| 49 | #include "ImageBuffer.h" |
| 50 | #include "ImageData.h" |
| 51 | #include "ImageUtilities.h" |
| 52 | #include "InspectorCanvasAgent.h" |
| 53 | #include "InspectorDOMAgent.h" |
| 54 | #include "InspectorInstrumentation.h" |
| 55 | #include "JSCanvasDirection.h" |
| 56 | #include "JSCanvasFillRule.h" |
| 57 | #include "JSCanvasLineCap.h" |
| 58 | #include "JSCanvasLineJoin.h" |
| 59 | #include "JSCanvasRenderingContext2D.h" |
| 60 | #include "JSCanvasTextAlign.h" |
| 61 | #include "JSCanvasTextBaseline.h" |
| 62 | #include "JSExecState.h" |
| 63 | #include "JSImageBitmapRenderingContext.h" |
| 64 | #include "JSImageSmoothingQuality.h" |
| 65 | #include "JSPredefinedColorSpace.h" |
| 66 | #include "JSWebGL2RenderingContext.h" |
| 67 | #include "JSWebGLRenderingContext.h" |
| 68 | #include "Path2D.h" |
| 69 | #include "SVGPathUtilities.h" |
| 70 | #include "StringAdaptors.h" |
| 71 | #include <JavaScriptCore/IdentifiersFactory.h> |
| 72 | #include <JavaScriptCore/JSCInlines.h> |
| 73 | #include <JavaScriptCore/ScriptCallStackFactory.h> |
| 74 | #include <wtf/Function.h> |
| 75 | #include <wtf/RefPtr.h> |
| 76 | #include <wtf/Scope.h> |
| 77 | #include <wtf/Vector.h> |
| 78 | #include <wtf/text/MakeString.h> |
| 79 | #include <wtf/text/WTFString.h> |
| 80 | |
| 81 | #if ENABLE(OFFSCREEN_CANVAS)(defined 1 && 1) |
| 82 | #include "JSOffscreenCanvasRenderingContext2D.h" |
| 83 | #include "OffscreenCanvas.h" |
| 84 | #include "OffscreenCanvasRenderingContext2D.h" |
| 85 | #endif |
| 86 | |
| 87 | namespace WebCore { |
| 88 | |
| 89 | using namespace Inspector; |
| 90 | |
| 91 | Ref<InspectorCanvas> InspectorCanvas::create(CanvasRenderingContext& context) |
| 92 | { |
| 93 | return adoptRef(*new InspectorCanvas(context)); |
| 94 | } |
| 95 | |
| 96 | InspectorCanvas::InspectorCanvas(CanvasRenderingContext& context) |
| 97 | : m_identifier(makeString("canvas:"_s, IdentifiersFactory::createIdentifier())) |
| 98 | , m_context(context) |
| 99 | { |
| 100 | } |
| 101 | |
| 102 | HTMLCanvasElement* InspectorCanvas::canvasElement() const |
| 103 | { |
| 104 | return dynamicDowncast<HTMLCanvasElement>(m_context->canvasBase()); |
| 105 | } |
| 106 | |
| 107 | ScriptExecutionContext* InspectorCanvas::scriptExecutionContext() const |
| 108 | { |
| 109 | return m_context->canvasBase().scriptExecutionContext(); |
| 110 | } |
| 111 | |
| 112 | JSC::JSValue InspectorCanvas::resolveContext(JSC::JSGlobalObject* exec) |
| 113 | { |
| 114 | JSC::JSLockHolder lock(exec); |
| 115 | auto* globalObject = deprecatedGlobalObjectForPrototype(exec); |
| 116 | if (is<CanvasRenderingContext2D>(m_context)) |
| 117 | return toJS(exec, globalObject, downcast<CanvasRenderingContext2D>(m_context.get())); |
| 118 | #if ENABLE(OFFSCREEN_CANVAS)(defined 1 && 1) |
| 119 | if (is<OffscreenCanvasRenderingContext2D>(m_context)) |
| 120 | return toJS(exec, globalObject, downcast<OffscreenCanvasRenderingContext2D>(m_context.get())); |
| 121 | #endif |
| 122 | if (is<ImageBitmapRenderingContext>(m_context)) |
| 123 | return toJS(exec, globalObject, downcast<ImageBitmapRenderingContext>(m_context.get())); |
| 124 | #if ENABLE(WEBGL)(defined 1 && 1) |
| 125 | if (is<WebGLRenderingContext>(m_context)) |
| 126 | return toJS(exec, globalObject, downcast<WebGLRenderingContext>(m_context.get())); |
| 127 | if (is<WebGL2RenderingContext>(m_context)) |
| 128 | return toJS(exec, globalObject, downcast<WebGL2RenderingContext>(m_context.get())); |
| 129 | #endif |
| 130 | RELEASE_ASSERT_NOT_REACHED()do { WTF::isIntegralOrPointerType(); compilerFenceForCrash(); WTFCrashWithInfo(130, "/Volumes/Data/worker/Apple-iOS-26-Safer-CPP-Checks-EWS/build/Source/WebCore/inspector/InspectorCanvas.cpp" , __PRETTY_FUNCTION__ ); } while (false); |
| 131 | } |
| 132 | |
| 133 | HashSet<Element*> InspectorCanvas::clientNodes() const |
| 134 | { |
| 135 | return m_context->canvasBase().cssCanvasClients(); |
| 136 | } |
| 137 | |
| 138 | void InspectorCanvas::canvasChanged() |
| 139 | { |
| 140 | if (!m_context->hasActiveInspectorCanvasCallTracer()) |
| 141 | return; |
| 142 | |
| 143 | // Since 2D contexts are able to be fully reproduced in the frontend, we don't need snapshots. |
| 144 | if (is<CanvasRenderingContext2D>(m_context)) |
| 145 | return; |
| 146 | #if ENABLE(OFFSCREEN_CANVAS)(defined 1 && 1) |
| 147 | if (is<OffscreenCanvasRenderingContext2D>(m_context)) |
| 148 | return; |
| 149 | #endif |
| 150 | |
| 151 | m_contentChanged = true; |
| 152 | } |
| 153 | |
| 154 | void InspectorCanvas::resetRecordingData() |
| 155 | { |
| 156 | m_initialState = nullptr; |
| 157 | m_frames = nullptr; |
| 158 | m_currentActions = nullptr; |
| 159 | m_serializedDuplicateData = nullptr; |
| 160 | m_indexedDuplicateData.clear(); |
| 161 | m_recordingName = { }; |
| 162 | m_bufferLimit = 100 * 1024 * 1024; |
| 163 | m_bufferUsed = 0; |
| 164 | m_frameCount = std::nullopt; |
| 165 | m_framesCaptured = 0; |
| 166 | m_contentChanged = false; |
| 167 | |
| 168 | // FIXME: <https://webkit.org/b/201651> Web Inspector: Canvas: support canvas recordings for WebGPUDevice |
| 169 | |
| 170 | m_context->setHasActiveInspectorCanvasCallTracer(false); |
| 171 | } |
| 172 | |
| 173 | bool InspectorCanvas::hasRecordingData() const |
| 174 | { |
| 175 | return m_bufferUsed > 0; |
| 176 | } |
| 177 | |
| 178 | bool InspectorCanvas::currentFrameHasData() const |
| 179 | { |
| 180 | return !!m_frames; |
| 181 | } |
| 182 | |
| 183 | template<typename T> static Ref<JSON::ArrayOf<JSON::Value>> buildArrayForVector(const Vector<T>& vector) |
| 184 | { |
| 185 | auto array = JSON::ArrayOf<JSON::Value>::create(); |
| 186 | for (auto& item : vector) |
| 187 | array->addItem(item); |
| 188 | return array; |
| 189 | } |
| 190 | |
| 191 | static bool shouldSnapshotBitmapRendererAction(const String& name) |
| 192 | { |
| 193 | return name == "transferFromImageBitmap"_s; |
| 194 | } |
| 195 | |
| 196 | #if ENABLE(WEBGL)(defined 1 && 1) |
| 197 | static bool shouldSnapshotWebGLAction(const String& name) |
| 198 | { |
| 199 | return name == "clear"_s |
| 200 | || name == "drawArrays"_s |
| 201 | || name == "drawElements"_s; |
| 202 | } |
| 203 | |
| 204 | static bool shouldSnapshotWebGL2Action(const String& name) |
| 205 | { |
| 206 | return name == "clear"_s |
| 207 | || name == "drawArrays"_s |
| 208 | || name == "drawArraysInstanced"_s |
| 209 | || name == "drawElements"_s |
| 210 | || name == "drawElementsInstanced"_s; |
| 211 | } |
| 212 | #endif |
| 213 | |
| 214 | void InspectorCanvas::recordAction(String&& name, InspectorCanvasProcessedArguments&& arguments) |
| 215 | { |
| 216 | if (!m_initialState) { |
| 217 | // We should only construct the initial state for the first action of the recording. |
| 218 | ASSERT(!m_frames && !m_currentActions)((void)0); |
| 219 | |
| 220 | m_initialState = buildInitialState(); |
| 221 | m_bufferUsed += m_initialState->memoryCost(); |
| 222 | } |
| 223 | |
| 224 | if (!m_frames) |
| 225 | m_frames = JSON::ArrayOf<Inspector::Protocol::Recording::Frame>::create(); |
| 226 | |
| 227 | if (!m_currentActions) { |
| 228 | m_currentActions = JSON::ArrayOf<JSON::Value>::create(); |
| 229 | |
| 230 | auto frame = Inspector::Protocol::Recording::Frame::create() |
| 231 | .setActions(*m_currentActions) |
| 232 | .release(); |
| 233 | |
| 234 | m_frames->addItem(WTF::move(frame)); |
| 235 | ++m_framesCaptured; |
| 236 | |
| 237 | m_currentFrameStartTime = MonotonicTime::now(); |
| 238 | } |
| 239 | |
| 240 | appendActionSnapshotIfNeeded(); |
| 241 | |
| 242 | // FIXME: <https://webkit.org/b/201651> Web Inspector: Canvas: support canvas recordings for WebGPUDevice |
| 243 | |
| 244 | if (is<ImageBitmapRenderingContext>(m_context) && shouldSnapshotBitmapRendererAction(name)) |
| 245 | m_contentChanged = true; |
| 246 | #if ENABLE(WEBGL)(defined 1 && 1) |
| 247 | else if (is<WebGLRenderingContext>(m_context) && shouldSnapshotWebGLAction(name)) |
| 248 | m_contentChanged = true; |
| 249 | else if (is<WebGL2RenderingContext>(m_context) && shouldSnapshotWebGL2Action(name)) |
| 250 | m_contentChanged = true; |
| 251 | #endif |
| 252 | |
| 253 | m_lastRecordedAction = buildAction(WTF::move(name), WTF::move(arguments)); |
| 254 | m_bufferUsed += m_lastRecordedAction->memoryCost(); |
| 255 | m_currentActions->addItem(*m_lastRecordedAction); |
| 256 | } |
| 257 | |
| 258 | void InspectorCanvas::finalizeFrame() |
| 259 | { |
| 260 | appendActionSnapshotIfNeeded(); |
| 261 | |
| 262 | if (m_frames && m_frames->length() && !m_currentFrameStartTime.isNaN()) { |
| 263 | auto currentFrame = unsafeRefDowncast<Inspector::Protocol::Recording::Frame>(m_frames->get(m_frames->length() - 1)); |
| 264 | currentFrame->setDuration((MonotonicTime::now() - m_currentFrameStartTime).milliseconds()); |
| 265 | |
| 266 | m_currentFrameStartTime = MonotonicTime::nan(); |
| 267 | } |
| 268 | |
| 269 | m_currentActions = nullptr; |
| 270 | } |
| 271 | |
| 272 | void InspectorCanvas::markCurrentFrameIncomplete() |
| 273 | { |
| 274 | if (!m_currentActions || !m_frames || !m_frames->length()) |
| 275 | return; |
| 276 | |
| 277 | auto currentFrame = unsafeRefDowncast<Inspector::Protocol::Recording::Frame>(m_frames->get(m_frames->length() - 1)); |
| 278 | currentFrame->setIncomplete(true); |
| 279 | } |
| 280 | |
| 281 | void InspectorCanvas::setBufferLimit(long memoryLimit) |
| 282 | { |
| 283 | m_bufferLimit = std::min<long>(memoryLimit, std::numeric_limits<int>::max()); |
| 284 | } |
| 285 | |
| 286 | bool InspectorCanvas::hasBufferSpace() const |
| 287 | { |
| 288 | return m_bufferUsed < m_bufferLimit; |
| 289 | } |
| 290 | |
| 291 | void InspectorCanvas::setFrameCount(long frameCount) |
| 292 | { |
| 293 | if (frameCount > 0) |
| 294 | m_frameCount = std::min<long>(frameCount, std::numeric_limits<int>::max()); |
| 295 | else |
| 296 | m_frameCount = std::nullopt; |
| 297 | } |
| 298 | |
| 299 | bool InspectorCanvas::overFrameCount() const |
| 300 | { |
| 301 | return m_frameCount && m_framesCaptured >= m_frameCount.value(); |
| 302 | } |
| 303 | |
| 304 | static RefPtr<Inspector::Protocol::Canvas::ContextAttributes> buildObjectForCanvasContextAttributes(CanvasRenderingContext& context) |
| 305 | { |
| 306 | if (is<CanvasRenderingContext2DBase>(context)) { |
| 307 | auto attributes = downcast<CanvasRenderingContext2DBase>(context).getContextAttributes(); |
| 308 | auto contextAttributesPayload = Inspector::Protocol::Canvas::ContextAttributes::create() |
| 309 | .release(); |
| 310 | switch (attributes.colorSpace) { |
| 311 | case PredefinedColorSpace::SRGB: |
| 312 | contextAttributesPayload->setColorSpace(Inspector::Protocol::Canvas::ColorSpace::SRGB); |
| 313 | break; |
| 314 | case PredefinedColorSpace::SRGBLinear: |
| 315 | contextAttributesPayload->setColorSpace(Inspector::Protocol::Canvas::ColorSpace::SRGBLinear); |
| 316 | break; |
| 317 | #if ENABLE(PREDEFINED_COLOR_SPACE_DISPLAY_P3)(defined 1 && 1) |
| 318 | case PredefinedColorSpace::DisplayP3: |
| 319 | contextAttributesPayload->setColorSpace(Inspector::Protocol::Canvas::ColorSpace::DisplayP3); |
| 320 | break; |
| 321 | case PredefinedColorSpace::DisplayP3Linear: |
| 322 | contextAttributesPayload->setColorSpace(Inspector::Protocol::Canvas::ColorSpace::DisplayP3Linear); |
| 323 | break; |
| 324 | #endif |
| 325 | } |
| 326 | contextAttributesPayload->setDesynchronized(attributes.desynchronized); |
| 327 | contextAttributesPayload->setWillReadFrequently(attributes.willReadFrequently); |
| 328 | return contextAttributesPayload; |
| 329 | } |
| 330 | |
| 331 | if (is<ImageBitmapRenderingContext>(context)) { |
| 332 | auto contextAttributesPayload = Inspector::Protocol::Canvas::ContextAttributes::create() |
| 333 | .release(); |
| 334 | contextAttributesPayload->setAlpha(downcast<ImageBitmapRenderingContext>(context).hasAlpha()); |
| 335 | return contextAttributesPayload; |
| 336 | } |
| 337 | |
| 338 | #if ENABLE(WEBGL)(defined 1 && 1) |
| 339 | if (is<WebGLRenderingContextBase>(context)) { |
| 340 | const auto& attributes = downcast<WebGLRenderingContextBase>(context).getContextAttributes(); |
| 341 | if (!attributes) |
| 342 | return nullptr; |
| 343 | |
| 344 | auto contextAttributesPayload = Inspector::Protocol::Canvas::ContextAttributes::create() |
| 345 | .release(); |
| 346 | contextAttributesPayload->setAlpha(attributes->alpha); |
| 347 | contextAttributesPayload->setDepth(attributes->depth); |
| 348 | contextAttributesPayload->setStencil(attributes->stencil); |
| 349 | contextAttributesPayload->setAntialias(attributes->antialias); |
| 350 | contextAttributesPayload->setPremultipliedAlpha(attributes->premultipliedAlpha); |
| 351 | contextAttributesPayload->setPreserveDrawingBuffer(attributes->preserveDrawingBuffer); |
| 352 | switch (attributes->powerPreference) { |
| 353 | case WebGLPowerPreference::Default: |
| 354 | contextAttributesPayload->setPowerPreference("default"_s); |
| 355 | break; |
| 356 | case WebGLPowerPreference::LowPower: |
| 357 | contextAttributesPayload->setPowerPreference("low-power"_s); |
| 358 | break; |
| 359 | case WebGLPowerPreference::HighPerformance: |
| 360 | contextAttributesPayload->setPowerPreference("high-performance"_s); |
| 361 | break; |
| 362 | } |
| 363 | contextAttributesPayload->setFailIfMajorPerformanceCaveat(attributes->failIfMajorPerformanceCaveat); |
| 364 | return contextAttributesPayload; |
| 365 | } |
| 366 | #endif // ENABLE(WEBGL) |
| 367 | |
| 368 | return nullptr; |
| 369 | } |
| 370 | |
| 371 | Ref<Inspector::Protocol::Canvas::Canvas> InspectorCanvas::buildObjectForCanvas(bool captureBacktrace) |
| 372 | { |
| 373 | auto contextType = [&] { |
| 374 | bool isOffscreen = false; |
| 375 | #if ENABLE(OFFSCREEN_CANVAS)(defined 1 && 1) |
| 376 | if (is<OffscreenCanvas>(m_context->canvasBase())) |
| 377 | isOffscreen = true; |
| 378 | #endif |
| 379 | |
| 380 | if (is<CanvasRenderingContext2D>(m_context)) { |
| 381 | ASSERT(!isOffscreen)((void)0); |
| 382 | return Inspector::Protocol::Canvas::ContextType::Canvas2D; |
| 383 | } |
| 384 | #if ENABLE(OFFSCREEN_CANVAS)(defined 1 && 1) |
| 385 | if (is<OffscreenCanvasRenderingContext2D>(m_context)) { |
| 386 | ASSERT(isOffscreen)((void)0); |
| 387 | return Inspector::Protocol::Canvas::ContextType::OffscreenCanvas2D; |
| 388 | } |
| 389 | #endif |
| 390 | if (is<ImageBitmapRenderingContext>(m_context)) { |
| 391 | if (isOffscreen) |
| 392 | return Inspector::Protocol::Canvas::ContextType::OffscreenBitmapRenderer; |
| 393 | return Inspector::Protocol::Canvas::ContextType::BitmapRenderer; |
| 394 | } |
| 395 | #if ENABLE(WEBGL)(defined 1 && 1) |
| 396 | if (is<WebGLRenderingContext>(m_context)) { |
| 397 | if (isOffscreen) |
| 398 | return Inspector::Protocol::Canvas::ContextType::OffscreenWebGL; |
| 399 | return Inspector::Protocol::Canvas::ContextType::WebGL; |
| 400 | } |
| 401 | if (is<WebGL2RenderingContext>(m_context)) { |
| 402 | if (isOffscreen) |
| 403 | return Inspector::Protocol::Canvas::ContextType::OffscreenWebGL2; |
| 404 | return Inspector::Protocol::Canvas::ContextType::WebGL2; |
| 405 | } |
| 406 | #endif |
| 407 | |
| 408 | ASSERT_NOT_REACHED()((void)0); |
| 409 | return Inspector::Protocol::Canvas::ContextType::Canvas2D; |
| 410 | }(); |
| 411 | |
| 412 | const auto& size = m_context->canvasBase().size(); |
| 413 | |
| 414 | auto canvas = Inspector::Protocol::Canvas::Canvas::create() |
| 415 | .setCanvasId(m_identifier) |
| 416 | .setContextType(contextType) |
| 417 | .setWidth(size.width()) |
| 418 | .setHeight(size.height()) |
| 419 | .release(); |
| 420 | |
| 421 | if (RefPtr node = canvasElement()) { |
| 422 | String cssCanvasName = node->document().nameForCSSCanvasElement(*node); |
| 423 | if (!cssCanvasName.isEmpty()) |
| 424 | canvas->setCssCanvasName(cssCanvasName); |
| 425 | |
| 426 | // FIXME: <https://webkit.org/b/178282> Web Inspector: send a DOM node with each Canvas payload and eliminate Canvas.requestNode |
| 427 | } |
| 428 | |
| 429 | if (auto attributes = buildObjectForCanvasContextAttributes(m_context.get())) |
| 430 | canvas->setContextAttributes(attributes.releaseNonNull()); |
| 431 | |
| 432 | if (size_t memoryCost = m_context->memoryCost()) |
| 433 | canvas->setMemoryCost(memoryCost); |
| 434 | |
| 435 | if (captureBacktrace) { |
| 436 | auto stackTrace = Inspector::createScriptCallStack(JSExecState::currentState()); |
| 437 | canvas->setStackTrace(stackTrace->buildInspectorObject()); |
| 438 | } |
| 439 | |
| 440 | return canvas; |
| 441 | } |
| 442 | |
| 443 | Ref<Inspector::Protocol::Recording::Recording> InspectorCanvas::releaseObjectForRecording() |
| 444 | { |
| 445 | ASSERT(!m_currentActions)((void)0); |
| 446 | ASSERT(!m_lastRecordedAction)((void)0); |
| 447 | ASSERT(!m_frames)((void)0); |
| 448 | |
| 449 | // FIXME: <https://webkit.org/b/201651> Web Inspector: Canvas: support canvas recordings for WebGPUDevice |
| 450 | |
| 451 | bool isOffscreen = false; |
| 452 | #if ENABLE(OFFSCREEN_CANVAS)(defined 1 && 1) |
| 453 | if (is<OffscreenCanvas>(m_context->canvasBase())) |
| 454 | isOffscreen = true; |
| 455 | #endif |
| 456 | |
| 457 | Inspector::Protocol::Recording::Type type; |
| 458 | if (is<CanvasRenderingContext2D>(m_context)) { |
| 459 | ASSERT(!isOffscreen)((void)0); |
| 460 | type = Inspector::Protocol::Recording::Type::Canvas2D; |
| 461 | #if ENABLE(OFFSCREEN_CANVAS)(defined 1 && 1) |
| 462 | } else if (is<OffscreenCanvasRenderingContext2D>(m_context)) { |
| 463 | ASSERT(isOffscreen)((void)0); |
| 464 | type = Inspector::Protocol::Recording::Type::OffscreenCanvas2D; |
| 465 | #endif |
| 466 | } else if (is<ImageBitmapRenderingContext>(m_context)) { |
| 467 | type = isOffscreen ? Inspector::Protocol::Recording::Type::OffscreenCanvasBitmapRenderer : Inspector::Protocol::Recording::Type::CanvasBitmapRenderer; |
| 468 | #if ENABLE(WEBGL)(defined 1 && 1) |
| 469 | } else if (is<WebGLRenderingContext>(m_context)) { |
| 470 | type = isOffscreen ? Inspector::Protocol::Recording::Type::OffscreenCanvasWebGL : Inspector::Protocol::Recording::Type::CanvasWebGL; |
| 471 | } else if (is<WebGL2RenderingContext>(m_context)) { |
| 472 | type = isOffscreen ? Inspector::Protocol::Recording::Type::OffscreenCanvasWebGL2 : Inspector::Protocol::Recording::Type::CanvasWebGL2; |
| 473 | #endif |
| 474 | } else { |
| 475 | ASSERT_NOT_REACHED()((void)0); |
| 476 | type = Inspector::Protocol::Recording::Type::Canvas2D; |
| 477 | } |
| 478 | |
| 479 | auto recording = Inspector::Protocol::Recording::Recording::create() |
| 480 | .setVersion(Inspector::Protocol::Recording::VERSION) |
| 481 | .setType(type) |
| 482 | .setInitialState(m_initialState.releaseNonNull()) |
| 483 | .setData(m_serializedDuplicateData.releaseNonNull()) |
| 484 | .release(); |
| 485 | |
| 486 | if (!m_recordingName.isEmpty()) |
| 487 | recording->setName(m_recordingName); |
| 488 | |
| 489 | resetRecordingData(); |
| 490 | |
| 491 | return recording; |
| 492 | } |
| 493 | |
| 494 | Inspector::Protocol::ErrorStringOr<String> InspectorCanvas::getContentAsDataURL(CanvasRenderingContext& context) |
| 495 | { |
| 496 | auto surfaceBuffer = context.compositingResultsNeedUpdating() ? CanvasRenderingContext::SurfaceBuffer::DrawingBuffer : CanvasRenderingContext::SurfaceBuffer::DisplayBuffer; |
| 497 | return encodeDataURL(context.surfaceBufferToImageBuffer(surfaceBuffer), "image/png"_s); |
| 498 | } |
| 499 | |
| 500 | void InspectorCanvas::appendActionSnapshotIfNeeded() |
| 501 | { |
| 502 | if (!m_lastRecordedAction) |
| 503 | return; |
| 504 | |
| 505 | if (m_contentChanged) { |
| 506 | m_bufferUsed -= m_lastRecordedAction->memoryCost(); |
| 507 | if (auto content = getContentAsDataURL()) |
| 508 | m_lastRecordedAction->addItem(indexForData(*content)); |
| 509 | |
| 510 | m_bufferUsed += m_lastRecordedAction->memoryCost(); |
| 511 | } |
| 512 | |
| 513 | m_lastRecordedAction = nullptr; |
| 514 | m_contentChanged = false; |
| 515 | } |
| 516 | |
| 517 | int InspectorCanvas::indexForData(DuplicateDataVariant data) |
| 518 | { |
| 519 | size_t index = m_indexedDuplicateData.findIf([&] (auto item) { |
| 520 | if (data == item) |
| 521 | return true; |
| 522 | |
| 523 | auto stackTraceA = std::get_if<Ref<ScriptCallStack>>(&data); |
| 524 | auto stackTraceB = std::get_if<Ref<ScriptCallStack>>(&item); |
| 525 | if (stackTraceA && stackTraceB) |
| 526 | return (*stackTraceA)->isEqual(stackTraceB->ptr()); |
| 527 | |
| 528 | auto parentStackTraceA = std::get_if<Ref<AsyncStackTrace>>(&data); |
| 529 | auto parentStackTraceB = std::get_if<Ref<AsyncStackTrace>>(&item); |
| 530 | if (parentStackTraceA && parentStackTraceB) |
| 531 | return parentStackTraceA->ptr() == parentStackTraceB->ptr(); |
| 532 | |
| 533 | return false; |
| 534 | }); |
| 535 | if (index != notFound) { |
| 536 | ASSERT(index < static_cast<size_t>(std::numeric_limits<int>::max()))((void)0); |
| 537 | return static_cast<int>(index); |
| 538 | } |
| 539 | |
| 540 | if (!m_serializedDuplicateData) |
| 541 | m_serializedDuplicateData = JSON::ArrayOf<JSON::Value>::create(); |
| 542 | |
| 543 | RefPtr<JSON::Value> item; |
| 544 | WTF::switchOn(data, |
| 545 | [&](const Ref<HTMLImageElement>& imageElement) { |
| 546 | String dataURL = "data:,"_s; |
| 547 | |
| 548 | if (CachedImage* cachedImage = imageElement->cachedImage()) { |
Local variable 'cachedImage' is uncounted and unsafe | |
| 549 | RefPtr<Image> image = cachedImage->image(); |
| 550 | if (image && image != &Image::nullImage()) { |
| 551 | dataURL = encodeDataURL(image->currentNativeImage(), "image/png"_s); |
| 552 | } |
| 553 | } |
| 554 | |
| 555 | index = indexForData(dataURL); |
| 556 | }, |
| 557 | #if ENABLE(VIDEO)(defined 1 && 1) |
| 558 | [&](Ref<HTMLVideoElement>& videoElement) { |
| 559 | unsigned videoWidth = videoElement->videoWidth(); |
| 560 | unsigned videoHeight = videoElement->videoHeight(); |
| 561 | RefPtr imageBuffer = ImageBuffer::create(FloatSize(videoWidth, videoHeight), RenderingMode::Unaccelerated, RenderingPurpose::Unspecified, 1, DestinationColorSpace::SRGB(), PixelFormat::BGRA8); |
| 562 | if (imageBuffer) |
| 563 | videoElement->paintCurrentFrameInContext(imageBuffer->context(), FloatRect(0, 0, videoWidth, videoHeight)); |
| 564 | index = indexForData(encodeDataURL(WTF::move(imageBuffer), "image/png"_s, std::nullopt)); |
| 565 | }, |
| 566 | #endif |
| 567 | [&](Ref<HTMLCanvasElement>& canvasElement) { |
| 568 | String dataURL = "data:,"_s; |
| 569 | |
| 570 | ExceptionOr<UncachedString> result = canvasElement->toDataURL("image/png"_s); |
| 571 | if (!result.hasException()) |
| 572 | dataURL = result.releaseReturnValue().string; |
| 573 | |
| 574 | index = indexForData(dataURL); |
| 575 | }, |
| 576 | [&](Ref<CanvasGradient>& canvasGradient) { item = buildArrayForCanvasGradient(canvasGradient); }, |
| 577 | [&](Ref<CanvasPattern>& canvasPattern) { item = buildArrayForCanvasPattern(canvasPattern); }, |
| 578 | [&](Ref<ImageData>& imageData) { item = buildArrayForImageData(imageData); }, |
| 579 | [&](Ref<ImageBitmap>& imageBitmap) { |
| 580 | index = indexForData(encodeDataURL(imageBitmap->buffer(), "image/png"_s)); |
| 581 | }, |
| 582 | [&](Ref<ScriptCallStack>& scriptCallStack) { |
| 583 | auto stackTrace = JSON::ArrayOf<JSON::Value>::create(); |
| 584 | |
| 585 | auto callFrames = JSON::ArrayOf<double>::create(); |
| 586 | for (size_t i = 0; i < scriptCallStack->size(); ++i) |
| 587 | callFrames->addItem(indexForData(scriptCallStack->at(i))); |
| 588 | stackTrace->addItem(WTF::move(callFrames)); |
| 589 | |
| 590 | stackTrace->addItem(/* topCallFrameIsBoundary */ false); |
| 591 | |
| 592 | stackTrace->addItem(scriptCallStack->truncated()); |
| 593 | |
| 594 | if (RefPtr parentStackTrace = scriptCallStack->parentStackTrace()) |
| 595 | stackTrace->addItem(indexForData(parentStackTrace.releaseNonNull())); |
| 596 | |
| 597 | item = WTF::move(stackTrace); |
| 598 | }, |
| 599 | [&](const Ref<AsyncStackTrace>& parentStackTrace) { |
| 600 | auto stackTrace = JSON::ArrayOf<JSON::Value>::create(); |
| 601 | |
| 602 | auto callFrames = JSON::ArrayOf<double>::create(); |
| 603 | for (size_t i = 0; i < parentStackTrace->size(); ++i) |
| 604 | callFrames->addItem(indexForData(parentStackTrace->at(i))); |
| 605 | stackTrace->addItem(WTF::move(callFrames)); |
| 606 | |
| 607 | stackTrace->addItem(parentStackTrace->topCallFrameIsBoundary()); |
| 608 | |
| 609 | stackTrace->addItem(parentStackTrace->truncated()); |
| 610 | |
| 611 | if (RefPtr grandparentStackTrace = parentStackTrace->parentStackTrace()) |
| 612 | stackTrace->addItem(indexForData(grandparentStackTrace.releaseNonNull())); |
| 613 | |
| 614 | item = WTF::move(stackTrace); |
| 615 | }, |
| 616 | [&](const Ref<CSSStyleImageValue>& cssImageValue) { |
| 617 | String dataURL = "data:,"_s; |
| 618 | |
| 619 | if (auto* cachedImage = cssImageValue->image()) { |
| 620 | RefPtr image = cachedImage->image(); |
| 621 | if (image && image != &Image::nullImage()) |
| 622 | dataURL = encodeDataURL(image->currentNativeImage(), "image/png"_s); |
| 623 | } |
| 624 | |
| 625 | index = indexForData(dataURL); |
| 626 | }, |
| 627 | [&](const ScriptCallFrame& scriptCallFrame) { |
| 628 | auto array = JSON::ArrayOf<double>::create(); |
| 629 | array->addItem(indexForData(scriptCallFrame.functionName())); |
| 630 | array->addItem(indexForData(scriptCallFrame.sourceURL())); |
| 631 | array->addItem(static_cast<int>(scriptCallFrame.lineNumber())); |
| 632 | array->addItem(static_cast<int>(scriptCallFrame.columnNumber())); |
| 633 | item = WTF::move(array); |
| 634 | }, |
| 635 | #if ENABLE(OFFSCREEN_CANVAS)(defined 1 && 1) |
| 636 | [&](const Ref<OffscreenCanvas> offscreenCanvas) { |
| 637 | String dataURL = "data:,"_s; |
| 638 | if (offscreenCanvas->originClean()) |
| 639 | dataURL = encodeDataURL(offscreenCanvas->makeRenderingResultsAvailable(), "image/png"_s); |
| 640 | index = indexForData(dataURL); |
| 641 | }, |
| 642 | #endif |
| 643 | [&](const String& value) { item = JSON::Value::create(value); } |
| 644 | ); |
| 645 | |
| 646 | if (item) { |
| 647 | m_bufferUsed += item->memoryCost(); |
| 648 | m_serializedDuplicateData->addItem(item.releaseNonNull()); |
| 649 | |
| 650 | m_indexedDuplicateData.append(data); |
| 651 | index = m_indexedDuplicateData.size() - 1; |
| 652 | } |
| 653 | |
| 654 | ASSERT(index < static_cast<size_t>(std::numeric_limits<int>::max()))((void)0); |
| 655 | return static_cast<int>(index); |
| 656 | } |
| 657 | |
| 658 | Ref<JSON::Value> InspectorCanvas::valueIndexForData(DuplicateDataVariant data) |
| 659 | { |
| 660 | return JSON::Value::create(indexForData(data)); |
| 661 | } |
| 662 | |
| 663 | String InspectorCanvas::stringIndexForKey(const String& key) |
| 664 | { |
| 665 | return String::number(indexForData(key)); |
| 666 | } |
| 667 | |
| 668 | static Ref<JSON::ArrayOf<double>> buildArrayForAffineTransform(const AffineTransform& affineTransform) |
| 669 | { |
| 670 | auto array = JSON::ArrayOf<double>::create(); |
| 671 | array->addItem(affineTransform.a()); |
| 672 | array->addItem(affineTransform.b()); |
| 673 | array->addItem(affineTransform.c()); |
| 674 | array->addItem(affineTransform.d()); |
| 675 | array->addItem(affineTransform.e()); |
| 676 | array->addItem(affineTransform.f()); |
| 677 | return array; |
| 678 | } |
| 679 | |
| 680 | Ref<Inspector::Protocol::Recording::InitialState> InspectorCanvas::buildInitialState() |
| 681 | { |
| 682 | // FIXME: <https://webkit.org/b/201651> Web Inspector: Canvas: support canvas recordings for WebGPUDevice |
| 683 | |
| 684 | auto initialStatePayload = Inspector::Protocol::Recording::InitialState::create().release(); |
| 685 | |
| 686 | auto attributesPayload = JSON::Object::create(); |
| 687 | attributesPayload->setInteger("width"_s, m_context->canvasBase().width()); |
| 688 | attributesPayload->setInteger("height"_s, m_context->canvasBase().height()); |
| 689 | |
| 690 | auto statesPayload = JSON::ArrayOf<JSON::Object>::create(); |
| 691 | |
| 692 | auto parametersPayload = JSON::ArrayOf<JSON::Value>::create(); |
| 693 | |
| 694 | if (RefPtr context2d = dynamicDowncast<CanvasRenderingContext2DBase>(m_context.get())) { |
| 695 | for (auto& state : context2d->stateStack()) { |
| 696 | auto statePayload = JSON::Object::create(); |
| 697 | |
| 698 | statePayload->setArray(stringIndexForKey("setTransform"_s), buildArrayForAffineTransform(state.transform)); |
| 699 | statePayload->setDouble(stringIndexForKey("globalAlpha"_s), state.globalAlpha); |
| 700 | statePayload->setInteger(stringIndexForKey("globalCompositeOperation"_s), indexForData(state.globalCompositeOperationString())); |
| 701 | statePayload->setDouble(stringIndexForKey("lineWidth"_s), state.lineWidth); |
| 702 | statePayload->setInteger(stringIndexForKey("lineCap"_s), indexForData(convertEnumerationToString(state.canvasLineCap()))); |
| 703 | statePayload->setInteger(stringIndexForKey("lineJoin"_s), indexForData(convertEnumerationToString(state.canvasLineJoin()))); |
| 704 | statePayload->setDouble(stringIndexForKey("miterLimit"_s), state.miterLimit); |
| 705 | statePayload->setDouble(stringIndexForKey("shadowOffsetX"_s), state.shadowOffset.width()); |
| 706 | statePayload->setDouble(stringIndexForKey("shadowOffsetY"_s), state.shadowOffset.height()); |
| 707 | statePayload->setDouble(stringIndexForKey("shadowBlur"_s), state.shadowBlur); |
| 708 | statePayload->setInteger(stringIndexForKey("shadowColor"_s), indexForData(serializationForHTML(state.shadowColor))); |
| 709 | |
| 710 | // The parameter to `setLineDash` is itself an array, so we need to wrap the parameters |
| 711 | // list in an array to allow spreading. |
| 712 | auto setLineDash = JSON::ArrayOf<JSON::Value>::create(); |
| 713 | setLineDash->addItem(buildArrayForVector(state.lineDash)); |
| 714 | statePayload->setArray(stringIndexForKey("setLineDash"_s), WTF::move(setLineDash)); |
| 715 | |
| 716 | statePayload->setDouble(stringIndexForKey("lineDashOffset"_s), state.lineDashOffset); |
| 717 | statePayload->setInteger(stringIndexForKey("font"_s), indexForData(state.fontString())); |
| 718 | statePayload->setInteger(stringIndexForKey("textAlign"_s), indexForData(convertEnumerationToString(state.canvasTextAlign()))); |
| 719 | statePayload->setInteger(stringIndexForKey("textBaseline"_s), indexForData(convertEnumerationToString(state.canvasTextBaseline()))); |
| 720 | statePayload->setInteger(stringIndexForKey("direction"_s), indexForData(convertEnumerationToString(state.direction))); |
| 721 | |
| 722 | int strokeStyleIndex; |
| 723 | if (RefPtr canvasGradient = state.strokeStyle.canvasGradient()) |
| 724 | strokeStyleIndex = indexForData(canvasGradient.releaseNonNull()); |
| 725 | else if (RefPtr canvasPattern = state.strokeStyle.canvasPattern()) |
| 726 | strokeStyleIndex = indexForData(canvasPattern.releaseNonNull()); |
| 727 | else |
| 728 | strokeStyleIndex = indexForData(state.strokeStyle.colorString()); |
| 729 | statePayload->setInteger(stringIndexForKey("strokeStyle"_s), strokeStyleIndex); |
| 730 | |
| 731 | int fillStyleIndex; |
| 732 | if (RefPtr canvasGradient = state.fillStyle.canvasGradient()) |
| 733 | fillStyleIndex = indexForData(canvasGradient.releaseNonNull()); |
| 734 | else if (RefPtr canvasPattern = state.fillStyle.canvasPattern()) |
| 735 | fillStyleIndex = indexForData(canvasPattern.releaseNonNull()); |
| 736 | else |
| 737 | fillStyleIndex = indexForData(state.fillStyle.colorString()); |
| 738 | statePayload->setInteger(stringIndexForKey("fillStyle"_s), fillStyleIndex); |
| 739 | |
| 740 | statePayload->setBoolean(stringIndexForKey("imageSmoothingEnabled"_s), state.imageSmoothingEnabled); |
| 741 | statePayload->setInteger(stringIndexForKey("imageSmoothingQuality"_s), indexForData(convertEnumerationToString(state.imageSmoothingQuality))); |
| 742 | |
| 743 | // FIXME: This is wrong: it will repeat the context's current path for every level in the stack, ignoring saved paths. |
| 744 | auto setPath = JSON::ArrayOf<JSON::Value>::create(); |
| 745 | setPath->addItem(indexForData(buildStringFromPath(context2d->getPath()->path()))); |
| 746 | statePayload->setArray(stringIndexForKey("setPath"_s), WTF::move(setPath)); |
| 747 | |
| 748 | statesPayload->addItem(WTF::move(statePayload)); |
| 749 | } |
| 750 | } |
| 751 | |
| 752 | if (auto contextAttributes = buildObjectForCanvasContextAttributes(m_context.get())) |
| 753 | parametersPayload->addItem(contextAttributes.releaseNonNull()); |
| 754 | |
| 755 | initialStatePayload->setAttributes(WTF::move(attributesPayload)); |
| 756 | |
| 757 | if (statesPayload->length()) |
| 758 | initialStatePayload->setStates(WTF::move(statesPayload)); |
| 759 | |
| 760 | if (parametersPayload->length()) |
| 761 | initialStatePayload->setParameters(WTF::move(parametersPayload)); |
| 762 | |
| 763 | if (auto content = getContentAsDataURL()) |
| 764 | initialStatePayload->setContent(*content); |
| 765 | |
| 766 | return initialStatePayload; |
| 767 | } |
| 768 | |
| 769 | Ref<JSON::ArrayOf<JSON::Value>> InspectorCanvas::buildAction(String&& name, InspectorCanvasProcessedArguments&& arguments) |
| 770 | { |
| 771 | auto action = JSON::ArrayOf<JSON::Value>::create(); |
| 772 | action->addItem(indexForData(WTF::move(name))); |
| 773 | |
| 774 | auto parametersData = JSON::ArrayOf<JSON::Value>::create(); |
| 775 | auto swizzleTypes = JSON::ArrayOf<int>::create(); |
| 776 | for (auto&& argument : WTF::move(arguments)) { |
| 777 | if (!argument) |
| 778 | continue; |
| 779 | |
| 780 | parametersData->addItem(argument->value.copyRef()); |
| 781 | swizzleTypes->addItem(static_cast<int>(argument->swizzleType)); |
| 782 | } |
| 783 | action->addItem(WTF::move(parametersData)); |
| 784 | action->addItem(WTF::move(swizzleTypes)); |
| 785 | |
| 786 | auto stackTrace = Inspector::createScriptCallStack(JSExecState::currentState()); |
| 787 | action->addItem(indexForData(WTF::move(stackTrace))); |
| 788 | |
| 789 | return action; |
| 790 | } |
| 791 | |
| 792 | Ref<JSON::ArrayOf<JSON::Value>> InspectorCanvas::buildArrayForCanvasGradient(const CanvasGradient& canvasGradient) |
| 793 | { |
| 794 | ASCIILiteral type = "linear-gradient"_s; |
| 795 | auto parameters = JSON::ArrayOf<double>::create(); |
| 796 | WTF::switchOn(canvasGradient.gradient().data(), |
| 797 | [&] (const Gradient::LinearData& data) { |
| 798 | parameters->addItem(data.point0.x()); |
| 799 | parameters->addItem(data.point0.y()); |
| 800 | parameters->addItem(data.point1.x()); |
| 801 | parameters->addItem(data.point1.y()); |
| 802 | }, |
| 803 | [&] (const Gradient::RadialData& data) { |
| 804 | type = "radial-gradient"_s; |
| 805 | parameters->addItem(data.point0.x()); |
| 806 | parameters->addItem(data.point0.y()); |
| 807 | parameters->addItem(data.startRadius); |
| 808 | parameters->addItem(data.point1.x()); |
| 809 | parameters->addItem(data.point1.y()); |
| 810 | parameters->addItem(data.endRadius); |
| 811 | }, |
| 812 | [&] (const Gradient::ConicData& data) { |
| 813 | type = "conic-gradient"_s; |
| 814 | parameters->addItem(data.point0.x()); |
| 815 | parameters->addItem(data.point0.y()); |
| 816 | parameters->addItem(data.angleRadians); |
| 817 | } |
| 818 | ); |
| 819 | |
| 820 | auto stops = JSON::ArrayOf<JSON::Value>::create(); |
| 821 | for (auto& colorStop : canvasGradient.gradient().stops()) { |
| 822 | auto stop = JSON::ArrayOf<JSON::Value>::create(); |
| 823 | stop->addItem(colorStop.offset); |
| 824 | stop->addItem(indexForData(serializationForCSS(colorStop.color))); |
| 825 | stops->addItem(WTF::move(stop)); |
| 826 | } |
| 827 | |
| 828 | auto array = JSON::ArrayOf<JSON::Value>::create(); |
| 829 | array->addItem(indexForData(type)); |
| 830 | array->addItem(WTF::move(parameters)); |
| 831 | array->addItem(WTF::move(stops)); |
| 832 | return array; |
| 833 | } |
| 834 | |
| 835 | Ref<JSON::ArrayOf<JSON::Value>> InspectorCanvas::buildArrayForCanvasPattern(const CanvasPattern& canvasPattern) |
| 836 | { |
| 837 | String repeat; |
| 838 | bool repeatX = canvasPattern.pattern().repeatX(); |
| 839 | bool repeatY = canvasPattern.pattern().repeatY(); |
| 840 | if (repeatX && repeatY) |
| 841 | repeat = "repeat"_s; |
| 842 | else if (repeatX && !repeatY) |
| 843 | repeat = "repeat-x"_s; |
| 844 | else if (!repeatX && repeatY) |
| 845 | repeat = "repeat-y"_s; |
| 846 | else |
| 847 | repeat = "no-repeat"_s; |
| 848 | |
| 849 | auto array = JSON::ArrayOf<JSON::Value>::create(); |
| 850 | array->addItem(indexForData(encodeDataURL(canvasPattern.pattern().tileImageBuffer(), "image/png"_s))); |
| 851 | array->addItem(indexForData(repeat)); |
| 852 | return array; |
| 853 | } |
| 854 | |
| 855 | Ref<JSON::ArrayOf<JSON::Value>> InspectorCanvas::buildArrayForImageData(const ImageData& imageData) |
| 856 | { |
| 857 | auto array = JSON::ArrayOf<JSON::Value>::create(); |
| 858 | array->addItem(imageData.data().copyToJSONArray()); |
| 859 | array->addItem(imageData.width()); |
| 860 | array->addItem(imageData.height()); |
| 861 | return array; |
| 862 | } |
| 863 | |
| 864 | } // namespace WebCore |
| 865 |