Ziele Untersuchung
mit Columbo Integrität von
Datenbanken Interaktion und
Portierbarkeit Ergonomie der
Schnittstellen

Angebot Produkte Projekt Beratung

Mittel Analytik Modellierung Sprachen Algebra Logik Hardware Denken Kreativität

Zusammenhänge Gesellschaft Wirtschaft Branche Firma


products/sources/formale Sprachen/C/Firefox/gfx/2d/ (Browser von der Mozilla Stiftung Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 6 kB

Quelle RecordedEvent.cpp Sprache: C

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "RecordedEventImpl.h"

#include "PathRecording.h"
#include "RecordingTypes.h"
#include "Tools.h"
#include "Filters.h"
#include "Logging.h"
#include "ScaledFontBase.h"
#include "SFNTData.h"
#include "InlineTranslator.h"

namespace mozilla {
namespace gfx {

/* static */
bool RecordedEvent::DoWithEventFromStream(
    EventStream& aStream, EventType aType,
    const std::function<bool(RecordedEvent*)>& aAction) {
  return DoWithEvent(aStream, aType, aAction);
}

/* static */
bool RecordedEvent::DoWithEventFromReader(
    MemReader& aReader, EventType aType,
    const std::function<bool(RecordedEvent*)>& aAction) {
  return DoWithEvent(aReader, aType, aAction);
}

std::string RecordedEvent::GetEventName(EventType aType) {
  switch (aType) {
    case DRAWTARGETCREATION:
      return "DrawTarget Creation";
    case DRAWTARGETDESTRUCTION:
      return "DrawTarget Destruction";
    case FILLRECT:
      return "FillRect";
    case STROKERECT:
      return "StrokeRect";
    case STROKELINE:
      return "StrokeLine";
    case CLEARRECT:
      return "ClearRect";
    case COPYSURFACE:
      return "CopySurface";
    case SETPERMITSUBPIXELAA:
      return "SetPermitSubpixelAA";
    case SETTRANSFORM:
      return "SetTransform";
    case PUSHCLIP:
      return "PushClip";
    case PUSHCLIPRECT:
      return "PushClipRect";
    case POPCLIP:
      return "PopClip";
    case REMOVEALLCLIPS:
      return "RemoveAllClips";
    case FILL:
      return "Fill";
    case FILLGLYPHS:
      return "FillGlyphs";
    case STROKEGLYPHS:
      return "StrokeGlyphs";
    case MASK:
      return "Mask";
    case STROKE:
      return "Stroke";
    case DRAWSURFACE:
      return "DrawSurface";
    case DRAWSURFACEDESCRIPTOR:
      return "DrawSurfaceDescriptor";
    case DRAWDEPENDENTSURFACE:
      return "DrawDependentSurface";
    case DRAWSURFACEWITHSHADOW:
      return "DrawSurfaceWithShadow";
    case DRAWFILTER:
      return "DrawFilter";
    case PATHCREATION:
      return "PathCreation";
    case PATHDESTRUCTION:
      return "PathDestruction";
    case SOURCESURFACECREATION:
      return "SourceSurfaceCreation";
    case SOURCESURFACEDESTRUCTION:
      return "SourceSurfaceDestruction";
    case FILTERNODECREATION:
      return "FilterNodeCreation";
    case FILTERNODEDESTRUCTION:
      return "FilterNodeDestruction";
    case GRADIENTSTOPSCREATION:
      return "GradientStopsCreation";
    case GRADIENTSTOPSDESTRUCTION:
      return "GradientStopsDestruction";
    case SNAPSHOT:
      return "Snapshot";
    case SCALEDFONTCREATION:
      return "ScaledFontCreation";
    case SCALEDFONTDESTRUCTION:
      return "ScaledFontDestruction";
    case MASKSURFACE:
      return "MaskSurface";
    case FILTERNODESETATTRIBUTE:
      return "SetAttribute";
    case FILTERNODESETINPUT:
      return "SetInput";
    case CREATESIMILARDRAWTARGET:
      return "CreateSimilarDrawTarget";
    case FONTDATA:
      return "FontData";
    case FONTDESC:
      return "FontDescriptor";
    case PUSHLAYER:
      return "PushLayer";
    case POPLAYER:
      return "PopLayer";
    case UNSCALEDFONTCREATION:
      return "UnscaledFontCreation";
    case UNSCALEDFONTDESTRUCTION:
      return "UnscaledFontDestruction";
    case EXTERNALSURFACECREATION:
      return "ExternalSourceSurfaceCreation";
    case LINK:
      return "Link";
    case DESTINATION:
      return "Destination";
    default:
      return "Unknown";
  }
}

template <class S>
void RecordedEvent::RecordUnscaledFontImpl(UnscaledFont* aUnscaledFont,
                                           S& aOutput) {
  RecordedFontData fontData(aUnscaledFont);
  RecordedFontDetails fontDetails;
  if (fontData.GetFontDetails(fontDetails)) {
    // Try to serialise the whole font, just in case this is a web font that
    // is not present on the system.
    WriteElement(aOutput, fontData.mType);
    fontData.RecordToStream(aOutput);

    auto r = RecordedUnscaledFontCreation(aUnscaledFont, fontDetails);
    WriteElement(aOutput, r.mType);
    r.RecordToStream(aOutput);
  } else {
    // If that fails, record just the font description and try to load it from
    // the system on the other side.
    RecordedFontDescriptor fontDesc(aUnscaledFont);
    if (fontDesc.IsValid()) {
      WriteElement(aOutput, fontDesc.RecordedEvent::mType);
      fontDesc.RecordToStream(aOutput);
    } else {
      gfxWarning()
          << "DrawTargetRecording::FillGlyphs failed to serialise UnscaledFont";
    }
  }
}

void RecordedEvent::RecordUnscaledFont(UnscaledFont* aUnscaledFont,
                                       std::ostream* aOutput) {
  RecordUnscaledFontImpl(aUnscaledFont, *aOutput);
}

void RecordedEvent::RecordUnscaledFont(UnscaledFont* aUnscaledFont,
                                       MemStream& aOutput) {
  RecordUnscaledFontImpl(aUnscaledFont, aOutput);
}

already_AddRefed<DrawTarget> Translator::CreateDrawTarget(
    ReferencePtr aRefPtr, const IntSize& aSize, SurfaceFormat aFormat) {
  RefPtr<DrawTarget> newDT =
      GetReferenceDrawTarget()->CreateSimilarDrawTarget(aSize, aFormat);
  AddDrawTarget(aRefPtr, newDT);
  return newDT.forget();
}

void Translator::DrawDependentSurface(uint64_t aKey, const Rect& aRect) {
  if (!mDependentSurfaces || !mCurrentDT) {
    return;
  }

  RefPtr<RecordedDependentSurface> recordedSurface =
      mDependentSurfaces->Get(aKey);
  if (!recordedSurface) {
    return;
  }

  // Construct a new translator, so we can recurse into translating this
  // sub-recording into the same DT. Set an initial transform for the
  // translator, so that all commands get moved into the rect we want to draw.
  //
  // Because the recording may have filtered out SetTransform calls with the
  // same value, we need to call SetTransform here to ensure it gets called at
  // least once with the translated matrix.
  const Matrix oldTransform = mCurrentDT->GetTransform();

  Matrix dependentTransform = oldTransform;
  dependentTransform.PreTranslate(aRect.TopLeft());

  mCurrentDT->PushClipRect(aRect);
  mCurrentDT->SetTransform(dependentTransform);

  {
    InlineTranslator translator(mCurrentDT, nullptr);
    translator.SetReferenceDrawTargetTransform(dependentTransform);
    translator.SetDependentSurfaces(mDependentSurfaces);
    translator.TranslateRecording((char*)recordedSurface->mRecording.mData,
                                  recordedSurface->mRecording.mLen);
  }

  mCurrentDT->SetTransform(oldTransform);
  mCurrentDT->PopClip();
}

}  // namespace gfx
}  // namespace mozilla

quality89%

¤ Dauer der Verarbeitung: 0.15 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.