/work/obj-fuzz/dist/include/mozilla/GfxMessageUtils.h

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/* -*- 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/. */

#ifndef __GFXMESSAGEUTILS_H__
#define __GFXMESSAGEUTILS_H__

#include "FilterSupport.h"
#include "FrameMetrics.h"
#include "ImageTypes.h"
#include "RegionBuilder.h"
#include "base/process_util.h"
#include "chrome/common/ipc_message_utils.h"
#include "gfxFeature.h"
#include "gfxFallback.h"
#include "gfxPoint.h"
#include "gfxRect.h"
#include "gfxTelemetry.h"
#include "gfxTypes.h"
#include "ipc/IPCMessageUtils.h"
#include "mozilla/gfx/CompositorHitTestInfo.h"
#include "mozilla/gfx/Matrix.h"
#include "nsRect.h"
#include "nsRegion.h"
#include "mozilla/Array.h"

#include <stdint.h>

#ifdef _MSC_VER
#pragma warning( disable : 4800 )
#endif

namespace mozilla {

typedef gfxImageFormat PixelFormat;

} // namespace

namespace IPC {

template<>
struct ParamTraits<mozilla::gfx::Matrix>
{
  typedef mozilla::gfx::Matrix paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam._11);
    WriteParam(aMsg, aParam._12);
    WriteParam(aMsg, aParam._21);
    WriteParam(aMsg, aParam._22);
    WriteParam(aMsg, aParam._31);
    WriteParam(aMsg, aParam._32);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    if (ReadParam(aMsg, aIter, &aResult->_11) &&
        ReadParam(aMsg, aIter, &aResult->_12) &&
        ReadParam(aMsg, aIter, &aResult->_21) &&
        ReadParam(aMsg, aIter, &aResult->_22) &&
        ReadParam(aMsg, aIter, &aResult->_31) &&
        ReadParam(aMsg, aIter, &aResult->_32))
      return true;

    return false;
  }

  static void Log(const paramType& aParam, std::wstring* aLog)
  {
    aLog->append(StringPrintf(L"[[%g %g] [%g %g] [%g %g]]", aParam._11, aParam._12, aParam._21, aParam._22,
                                                            aParam._31, aParam._32));
  }
};

template<>
struct ParamTraits<mozilla::gfx::Matrix4x4>
{
  typedef mozilla::gfx::Matrix4x4 paramType;

  static void Write(Message* msg, const paramType& param)
  {
#define Wr(_f)  WriteParam(msg, param. _f)
    Wr(_11); Wr(_12); Wr(_13); Wr(_14);
    Wr(_21); Wr(_22); Wr(_23); Wr(_24);
    Wr(_31); Wr(_32); Wr(_33); Wr(_34);
    Wr(_41); Wr(_42); Wr(_43); Wr(_44);
#undef Wr
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
#define Rd(_f)  ReadParam(msg, iter, &result-> _f)
    return (Rd(_11) && Rd(_12) && Rd(_13) && Rd(_14) &&
            Rd(_21) && Rd(_22) && Rd(_23) && Rd(_24) &&
            Rd(_31) && Rd(_32) && Rd(_33) && Rd(_34) &&
            Rd(_41) && Rd(_42) && Rd(_43) && Rd(_44));
#undef Rd
  }
};

template<>
struct ParamTraits<mozilla::gfx::Matrix5x4>
{
  typedef mozilla::gfx::Matrix5x4 paramType;

  static void Write(Message* msg, const paramType& param)
  {
#define Wr(_f)  WriteParam(msg, param. _f)
    Wr(_11); Wr(_12); Wr(_13); Wr(_14);
    Wr(_21); Wr(_22); Wr(_23); Wr(_24);
    Wr(_31); Wr(_32); Wr(_33); Wr(_34);
    Wr(_41); Wr(_42); Wr(_43); Wr(_44);
    Wr(_51); Wr(_52); Wr(_53); Wr(_54);
#undef Wr
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
#define Rd(_f)  ReadParam(msg, iter, &result-> _f)
    return (Rd(_11) && Rd(_12) && Rd(_13) && Rd(_14) &&
            Rd(_21) && Rd(_22) && Rd(_23) && Rd(_24) &&
            Rd(_31) && Rd(_32) && Rd(_33) && Rd(_34) &&
            Rd(_41) && Rd(_42) && Rd(_43) && Rd(_44) &&
            Rd(_51) && Rd(_52) && Rd(_53) && Rd(_54));
#undef Rd
  }
};

template<>
struct ParamTraits<gfxPoint>
{
  typedef gfxPoint paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.x);
    WriteParam(aMsg, aParam.y);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    return (ReadParam(aMsg, aIter, &aResult->x) &&
            ReadParam(aMsg, aIter, &aResult->y));
 }
};

template<>
struct ParamTraits<gfxSize>
{
  typedef gfxSize paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.width);
    WriteParam(aMsg, aParam.height);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    if (ReadParam(aMsg, aIter, &aResult->width) &&
        ReadParam(aMsg, aIter, &aResult->height))
      return true;

    return false;
  }
};

template<>
struct ParamTraits<gfxRect>
{
  typedef gfxRect paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.X());
    WriteParam(aMsg, aParam.Y());
    WriteParam(aMsg, aParam.Width());
    WriteParam(aMsg, aParam.Height());
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    auto x = aResult->X();
    auto y = aResult->Y();
    auto w = aResult->Width();
    auto h = aResult->Height();

    bool retVal = (ReadParam(aMsg, aIter, &x) &&
                   ReadParam(aMsg, aIter, &y) &&
                   ReadParam(aMsg, aIter, &w) &&
                   ReadParam(aMsg, aIter, &h));
    aResult->SetRect(x, y, w, h);
    return retVal;
  }
};

template <>
struct ParamTraits<gfxContentType>
  : public ContiguousEnumSerializer<
             gfxContentType,
             gfxContentType::COLOR,
             gfxContentType::SENTINEL>
{};

template <>
struct ParamTraits<gfxSurfaceType>
  : public ContiguousEnumSerializer<
             gfxSurfaceType,
             gfxSurfaceType::Image,
             gfxSurfaceType::Max>
{};

template <>
struct ParamTraits<mozilla::gfx::SamplingFilter>
  : public ContiguousEnumSerializer<
             mozilla::gfx::SamplingFilter,
             mozilla::gfx::SamplingFilter::GOOD,
             mozilla::gfx::SamplingFilter::SENTINEL>
{};

template <>
struct ParamTraits<mozilla::gfx::BackendType>
  : public ContiguousEnumSerializer<
             mozilla::gfx::BackendType,
             mozilla::gfx::BackendType::NONE,
             mozilla::gfx::BackendType::BACKEND_LAST>
{};

template <>
struct ParamTraits<mozilla::gfx::Feature>
  : public ContiguousEnumSerializer<
             mozilla::gfx::Feature,
             mozilla::gfx::Feature::HW_COMPOSITING,
             mozilla::gfx::Feature::NumValues>
{};

template <>
struct ParamTraits<mozilla::gfx::Fallback>
  : public ContiguousEnumSerializer<
             mozilla::gfx::Fallback,
             mozilla::gfx::Fallback::NO_CONSTANT_BUFFER_OFFSETTING,
             mozilla::gfx::Fallback::NumValues>
{};

template <>
struct ParamTraits<mozilla::gfx::FeatureStatus>
  : public ContiguousEnumSerializer<
             mozilla::gfx::FeatureStatus,
             mozilla::gfx::FeatureStatus::Unused,
             mozilla::gfx::FeatureStatus::LAST>
{};

template <>
struct ParamTraits<mozilla::gfx::LightType>
  : public ContiguousEnumSerializer<
             mozilla::gfx::LightType,
             mozilla::gfx::LightType::None,
             mozilla::gfx::LightType::Max>
{};

template <>
struct ParamTraits<mozilla::gfx::ColorSpace>
  : public ContiguousEnumSerializer<
             mozilla::gfx::ColorSpace,
             mozilla::gfx::ColorSpace::SRGB,
             mozilla::gfx::ColorSpace::Max>
{};

/*
template <>
struct ParamTraits<mozilla::PixelFormat>
  : public EnumSerializer<mozilla::PixelFormat,
                          SurfaceFormat::A8R8G8B8_UINT32,
                          SurfaceFormat::UNKNOWN>
{};
*/

template<>
struct ParamTraits<mozilla::gfx::Color>
{
  typedef mozilla::gfx::Color paramType;

  static void Write(Message* msg, const paramType& param)
  {
    WriteParam(msg, param.r);
    WriteParam(msg, param.g);
    WriteParam(msg, param.b);
    WriteParam(msg, param.a);
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    return (ReadParam(msg, iter, &result->r) &&
            ReadParam(msg, iter, &result->g) &&
            ReadParam(msg, iter, &result->b) &&
            ReadParam(msg, iter, &result->a));
  }
};

template<>
struct ParamTraits<nsPoint>
{
  typedef nsPoint paramType;

  static void Write(Message* msg, const paramType& param)
  {
    WriteParam(msg, param.x);
    WriteParam(msg, param.y);
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    return (ReadParam(msg, iter, &result->x) &&
            ReadParam(msg, iter, &result->y));
  }
};

template<>
struct ParamTraits<nsIntPoint>
{
  typedef nsIntPoint paramType;

  static void Write(Message* msg, const paramType& param)
  {
    WriteParam(msg, param.x);
    WriteParam(msg, param.y);
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    return (ReadParam(msg, iter, &result->x) &&
            ReadParam(msg, iter, &result->y));
  }
};

template<typename T>
struct ParamTraits<mozilla::gfx::IntSizeTyped<T> >
{
  typedef mozilla::gfx::IntSizeTyped<T> paramType;

  static void Write(Message* msg, const paramType& param)
  {
    WriteParam(msg, param.width);
    WriteParam(msg, param.height);
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    return (ReadParam(msg, iter, &result->width) &&
            ReadParam(msg, iter, &result->height));
  }
};

template<typename Region, typename Rect, typename Iter>
struct RegionParamTraits
{
  typedef Region paramType;

  static void Write(Message* msg, const paramType& param)
  {

    for (auto iter = param.RectIter(); !iter.Done(); iter.Next()) {
      const Rect& r = iter.Get();
      MOZ_RELEASE_ASSERT(!r.IsEmpty(), "GFX: rect is empty.");
      WriteParam(msg, r);
    }
    // empty rects are sentinel values because nsRegions will never
    // contain them
    WriteParam(msg, Rect());
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    RegionBuilder<Region> builder;
    Rect rect;
    while (ReadParam(msg, iter, &rect)) {
      if (rect.IsEmpty()) {
        *result = builder.ToRegion();
        return true;
      }
      builder.OrWith(rect);
    }

    return false;
  }
};

template<class Units>
struct ParamTraits<mozilla::gfx::IntRegionTyped<Units>>
  : RegionParamTraits<mozilla::gfx::IntRegionTyped<Units>,
                      mozilla::gfx::IntRectTyped<Units>,
                      typename mozilla::gfx::IntRegionTyped<Units>::RectIterator>
{};

template<>
struct ParamTraits<mozilla::gfx::IntSize>
{
  typedef mozilla::gfx::IntSize paramType;

  static void Write(Message* msg, const paramType& param)
  {
    WriteParam(msg, param.width);
    WriteParam(msg, param.height);
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    return (ReadParam(msg, iter, &result->width) &&
            ReadParam(msg, iter, &result->height));
  }
};

template<class T>
struct ParamTraits< mozilla::gfx::CoordTyped<T> >
{
  typedef mozilla::gfx::CoordTyped<T> paramType;

  static void Write(Message* msg, const paramType& param)
  {
    WriteParam(msg, param.value);
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    return (ReadParam(msg, iter, &result->value));
  }
};

template<class T>
struct ParamTraits< mozilla::gfx::IntCoordTyped<T> >
{
  typedef mozilla::gfx::IntCoordTyped<T> paramType;

  static void Write(Message* msg, const paramType& param)
  {
    WriteParam(msg, param.value);
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    return (ReadParam(msg, iter, &result->value));
  }
};

template<class T, class U>
struct ParamTraits< mozilla::gfx::ScaleFactor<T, U> >
{
  typedef mozilla::gfx::ScaleFactor<T, U> paramType;

  static void Write(Message* msg, const paramType& param)
  {
    WriteParam(msg, param.scale);
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    return (ReadParam(msg, iter, &result->scale));
  }
};

template<class T, class U>
struct ParamTraits< mozilla::gfx::ScaleFactors2D<T, U> >
{
  typedef mozilla::gfx::ScaleFactors2D<T, U> paramType;

  static void Write(Message* msg, const paramType& param)
  {
    WriteParam(msg, param.xScale);
    WriteParam(msg, param.yScale);
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    return (ReadParam(msg, iter, &result->xScale) &&
            ReadParam(msg, iter, &result->yScale));
  }
};

template<class T>
struct ParamTraits< mozilla::gfx::PointTyped<T> >
{
  typedef mozilla::gfx::PointTyped<T> paramType;

  static void Write(Message* msg, const paramType& param)
  {
    WriteParam(msg, param.x);
    WriteParam(msg, param.y);
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    return (ReadParam(msg, iter, &result->x) &&
            ReadParam(msg, iter, &result->y));
  }
};

template<class F, class T>
struct ParamTraits< mozilla::gfx::Point3DTyped<F, T> >
{
  typedef mozilla::gfx::Point3DTyped<F, T> paramType;

  static void Write(Message* msg, const paramType& param)
  {
    WriteParam(msg, param.x);
    WriteParam(msg, param.y);
    WriteParam(msg, param.z);
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    return (ReadParam(msg, iter, &result->x) &&
            ReadParam(msg, iter, &result->y) &&
            ReadParam(msg, iter, &result->z));
  }
};

template<class T>
struct ParamTraits< mozilla::gfx::IntPointTyped<T> >
{
  typedef mozilla::gfx::IntPointTyped<T> paramType;

  static void Write(Message* msg, const paramType& param)
  {
    WriteParam(msg, param.x);
    WriteParam(msg, param.y);
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    return (ReadParam(msg, iter, &result->x) &&
            ReadParam(msg, iter, &result->y));
  }
};

template<class T>
struct ParamTraits< mozilla::gfx::SizeTyped<T> >
{
  typedef mozilla::gfx::SizeTyped<T> paramType;

  static void Write(Message* msg, const paramType& param)
  {
    WriteParam(msg, param.width);
    WriteParam(msg, param.height);
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    return (ReadParam(msg, iter, &result->width) &&
            ReadParam(msg, iter, &result->height));
  }
};

template<class T>
struct ParamTraits< mozilla::gfx::RectTyped<T> >
{
  typedef mozilla::gfx::RectTyped<T> paramType;

  static void Write(Message* msg, const paramType& param)
  {
    WriteParam(msg, param.X());
    WriteParam(msg, param.Y());
    WriteParam(msg, param.Width());
    WriteParam(msg, param.Height());
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    auto x = result->X();
    auto y = result->Y();
    auto w = result->Width();
    auto h = result->Height();

    bool retVal = (ReadParam(msg, iter, &x) &&
                   ReadParam(msg, iter, &y) &&
                   ReadParam(msg, iter, &w) &&
                   ReadParam(msg, iter, &h));
    result->SetRect(x, y, w, h);
    return retVal;
  }
};

template<class T>
struct ParamTraits< mozilla::gfx::IntRectTyped<T> >
{
  typedef mozilla::gfx::IntRectTyped<T> paramType;

  static void Write(Message* msg, const paramType& param)
  {
    WriteParam(msg, param.X());
    WriteParam(msg, param.Y());
    WriteParam(msg, param.Width());
    WriteParam(msg, param.Height());
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    auto x = result->X();
    auto y = result->Y();
    auto w = result->Width();
    auto h = result->Height();

    bool retVal = (ReadParam(msg, iter, &x) &&
                   ReadParam(msg, iter, &y) &&
                   ReadParam(msg, iter, &w) &&
                   ReadParam(msg, iter, &h));
    result->SetRect(x, y, w, h);
    return retVal;
  }
};

template<>
struct ParamTraits<mozilla::gfx::Margin>
{
  typedef mozilla::gfx::Margin paramType;

  static void Write(Message* msg, const paramType& param)
  {
    WriteParam(msg, param.top);
    WriteParam(msg, param.right);
    WriteParam(msg, param.bottom);
    WriteParam(msg, param.left);
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    return (ReadParam(msg, iter, &result->top) &&
            ReadParam(msg, iter, &result->right) &&
            ReadParam(msg, iter, &result->bottom) &&
            ReadParam(msg, iter, &result->left));
  }
};

template<class T>
struct ParamTraits< mozilla::gfx::MarginTyped<T> >
{
  typedef mozilla::gfx::MarginTyped<T> paramType;

  static void Write(Message* msg, const paramType& param)
  {
    WriteParam(msg, param.top);
    WriteParam(msg, param.right);
    WriteParam(msg, param.bottom);
    WriteParam(msg, param.left);
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    return (ReadParam(msg, iter, &result->top) &&
            ReadParam(msg, iter, &result->right) &&
            ReadParam(msg, iter, &result->bottom) &&
            ReadParam(msg, iter, &result->left));
  }
};

template<>
struct ParamTraits<nsRect>
{
  typedef nsRect paramType;

  static void Write(Message* msg, const paramType& param)
  {
    WriteParam(msg, param.X());
    WriteParam(msg, param.Y());
    WriteParam(msg, param.Width());
    WriteParam(msg, param.Height());
  }

  static bool Read(const Message* msg, PickleIterator* iter, paramType* result)
  {
    auto x = result->X();
    auto y = result->Y();
    auto w = result->Width();
    auto h = result->Height();
    bool retVal = (ReadParam(msg, iter, &x) &&
                   ReadParam(msg, iter, &y) &&
                   ReadParam(msg, iter, &w) &&
                   ReadParam(msg, iter, &h));
    result->SetRect(x, y, w, h);
    return retVal;
  }
};

template<>
struct ParamTraits<nsRegion>
  : RegionParamTraits<nsRegion, nsRect, nsRegion::RectIterator>
{};

template<>
struct ParamTraits<GeckoProcessType>
  : public ContiguousEnumSerializer<
             GeckoProcessType,
             GeckoProcessType_Default,
             GeckoProcessType_End>
{};

template <>
struct ParamTraits<mozilla::gfx::SurfaceFormat>
  : public ContiguousEnumSerializer<
             mozilla::gfx::SurfaceFormat,
             mozilla::gfx::SurfaceFormat::B8G8R8A8,
             mozilla::gfx::SurfaceFormat::UNKNOWN>
{};

template <>
struct ParamTraits<mozilla::StereoMode>
  : public ContiguousEnumSerializer<
             mozilla::StereoMode,
             mozilla::StereoMode::MONO,
             mozilla::StereoMode::MAX>
{};

template <>
struct ParamTraits<mozilla::YUVColorSpace>
  : public ContiguousEnumSerializer<
             mozilla::YUVColorSpace,
             mozilla::YUVColorSpace::BT601,
             mozilla::YUVColorSpace::UNKNOWN>
{};

template <>
struct ParamTraits<mozilla::gfx::ImplicitlyCopyableFloatArray>
  : public ParamTraits<nsTArray<float>>
{
  typedef mozilla::gfx::ImplicitlyCopyableFloatArray paramType;
};

template <>
struct ParamTraits<mozilla::gfx::EmptyAttributes>
{
  typedef mozilla::gfx::EmptyAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    return true;
  }
};

template <>
struct ParamTraits<mozilla::gfx::MergeAttributes>
{
  typedef mozilla::gfx::MergeAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    return true;
  }
};

template <>
struct ParamTraits<mozilla::gfx::ToAlphaAttributes>
{
  typedef mozilla::gfx::ToAlphaAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    return true;
  }
};

template <>
struct ParamTraits<mozilla::gfx::TileAttributes>
{
  typedef mozilla::gfx::TileAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    return true;
  }
};

template <>
struct ParamTraits<mozilla::gfx::BlendAttributes>
{
  typedef mozilla::gfx::BlendAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.mBlendMode);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    return ReadParam(aMsg, aIter, &aResult->mBlendMode);
  }
};

template<>
struct ParamTraits<mozilla::gfx::MorphologyAttributes>
{
  typedef mozilla::gfx::MorphologyAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.mOperator);
    WriteParam(aMsg, aParam.mRadii);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    if (!ReadParam(aMsg, aIter, &aResult->mOperator) ||
        !ReadParam(aMsg, aIter, &aResult->mRadii)) {
      return false;
    }
    return true;
  }
};

template<>
struct ParamTraits<mozilla::gfx::FloodAttributes>
{
  typedef mozilla::gfx::FloodAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.mColor);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    if (!ReadParam(aMsg, aIter, &aResult->mColor)) {
      return false;
    }
    return true;
  }
};

template<>
struct ParamTraits<mozilla::gfx::OpacityAttributes>
{
  typedef mozilla::gfx::OpacityAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.mOpacity);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    if (!ReadParam(aMsg, aIter, &aResult->mOpacity)) {
      return false;
    }
    return true;
  }
};

template<>
struct ParamTraits<mozilla::gfx::OffsetAttributes>
{
  typedef mozilla::gfx::OffsetAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.mValue);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    if (!ReadParam(aMsg, aIter, &aResult->mValue)) {
      return false;
    }
    return true;
  }
};

template<>
struct ParamTraits<mozilla::gfx::DisplacementMapAttributes>
{
  typedef mozilla::gfx::DisplacementMapAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.mScale);
    WriteParam(aMsg, aParam.mXChannel);
    WriteParam(aMsg, aParam.mYChannel);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    if (!ReadParam(aMsg, aIter, &aResult->mScale) ||
        !ReadParam(aMsg, aIter, &aResult->mXChannel) ||
        !ReadParam(aMsg, aIter, &aResult->mYChannel)) {
      return false;
  }
  return true;
  }
};

template<>
struct ParamTraits<mozilla::gfx::TurbulenceAttributes>
{
  typedef mozilla::gfx::TurbulenceAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.mOffset);
    WriteParam(aMsg, aParam.mBaseFrequency);
    WriteParam(aMsg, aParam.mSeed);
    WriteParam(aMsg, aParam.mOctaves);
    WriteParam(aMsg, aParam.mStitchable);
    WriteParam(aMsg, aParam.mType);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    if (!ReadParam(aMsg, aIter, &aResult->mOffset) ||
        !ReadParam(aMsg, aIter, &aResult->mBaseFrequency) ||
        !ReadParam(aMsg, aIter, &aResult->mSeed) ||
        !ReadParam(aMsg, aIter, &aResult->mOctaves) ||
        !ReadParam(aMsg, aIter, &aResult->mStitchable) ||
        !ReadParam(aMsg, aIter, &aResult->mType)) {
      return false;
    }
    return true;
  }
};

template<>
struct ParamTraits<mozilla::gfx::ImageAttributes>
{
  typedef mozilla::gfx::ImageAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.mFilter);
    WriteParam(aMsg, aParam.mInputIndex);
    WriteParam(aMsg, aParam.mTransform);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    if (!ReadParam(aMsg, aIter, &aResult->mFilter) ||
        !ReadParam(aMsg, aIter, &aResult->mInputIndex) ||
        !ReadParam(aMsg, aIter, &aResult->mTransform)) {
      return false;
    }
    return true;
  }
};

template<>
struct ParamTraits<mozilla::gfx::GaussianBlurAttributes>
{
  typedef mozilla::gfx::GaussianBlurAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.mStdDeviation);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    if (!ReadParam(aMsg, aIter, &aResult->mStdDeviation)) {
      return false;
    }
    return true;
  }
};

template<>
struct ParamTraits<mozilla::gfx::DropShadowAttributes>
{
  typedef mozilla::gfx::DropShadowAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.mStdDeviation);
    WriteParam(aMsg, aParam.mOffset);
    WriteParam(aMsg, aParam.mColor);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    if (!ReadParam(aMsg, aIter, &aResult->mStdDeviation) ||
        !ReadParam(aMsg, aIter, &aResult->mOffset) ||
        !ReadParam(aMsg, aIter, &aResult->mColor)) {
      return false;
    }
    return true;
  }
};

template<>
struct ParamTraits<mozilla::gfx::ColorMatrixAttributes>
{
  typedef mozilla::gfx::ColorMatrixAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.mType);
    WriteParam(aMsg, aParam.mValues);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    if (!ReadParam(aMsg, aIter, &aResult->mType) ||
        !ReadParam(aMsg, aIter, &aResult->mValues)) {
      return false;
    }
    return true;
  }
};

template<>
struct ParamTraits<mozilla::gfx::ComponentTransferAttributes>
{
  typedef mozilla::gfx::ComponentTransferAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    for (int i = 0; i < 4; ++i) {
      WriteParam(aMsg, aParam.mTypes[i]);
    }
    for (int i = 0; i < 4; ++i) {
      WriteParam(aMsg, aParam.mValues[i]);
    }
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    for (int i = 0; i < 4; ++i) {
      if (!ReadParam(aMsg, aIter, &aResult->mTypes[i])) {
        return false;
      }
    }
    for (int i = 0; i < 4; ++i) {
      if (!ReadParam(aMsg, aIter, &aResult->mValues[i])){
        return false;
      }
    }
    return true;
  }
};

template<>
struct ParamTraits<mozilla::gfx::ConvolveMatrixAttributes>
{
  typedef mozilla::gfx::ConvolveMatrixAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.mKernelSize);
    WriteParam(aMsg, aParam.mKernelMatrix);
    WriteParam(aMsg, aParam.mDivisor);
    WriteParam(aMsg, aParam.mBias);
    WriteParam(aMsg, aParam.mTarget);
    WriteParam(aMsg, aParam.mEdgeMode);
    WriteParam(aMsg, aParam.mKernelUnitLength);
    WriteParam(aMsg, aParam.mPreserveAlpha);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    if (!ReadParam(aMsg, aIter, &aResult->mKernelSize) ||
        !ReadParam(aMsg, aIter, &aResult->mKernelMatrix) ||
        !ReadParam(aMsg, aIter, &aResult->mDivisor) ||
        !ReadParam(aMsg, aIter, &aResult->mBias) ||
        !ReadParam(aMsg, aIter, &aResult->mTarget) ||
        !ReadParam(aMsg, aIter, &aResult->mEdgeMode) ||
        !ReadParam(aMsg, aIter, &aResult->mKernelUnitLength) ||
        !ReadParam(aMsg, aIter, &aResult->mPreserveAlpha)) {
      return false;
    }
    return true;
  }
};

template<>
struct ParamTraits<mozilla::gfx::DiffuseLightingAttributes>
{
  typedef mozilla::gfx::DiffuseLightingAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.mLightType);
    WriteParam(aMsg, aParam.mLightValues);
    WriteParam(aMsg, aParam.mSurfaceScale);
    WriteParam(aMsg, aParam.mKernelUnitLength);
    WriteParam(aMsg, aParam.mColor);
    WriteParam(aMsg, aParam.mLightingConstant);
    WriteParam(aMsg, aParam.mSpecularExponent);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    if (!ReadParam(aMsg, aIter, &aResult->mLightType) ||
        !ReadParam(aMsg, aIter, &aResult->mLightValues) ||
        !ReadParam(aMsg, aIter, &aResult->mSurfaceScale) ||
        !ReadParam(aMsg, aIter, &aResult->mKernelUnitLength) ||
        !ReadParam(aMsg, aIter, &aResult->mColor) ||
        !ReadParam(aMsg, aIter, &aResult->mLightingConstant) ||
        !ReadParam(aMsg, aIter, &aResult->mSpecularExponent)) {
      return false;
    }
    return true;
  }
};

template<>
struct ParamTraits<mozilla::gfx::SpecularLightingAttributes>
{
  typedef mozilla::gfx::SpecularLightingAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.mLightType);
    WriteParam(aMsg, aParam.mLightValues);
    WriteParam(aMsg, aParam.mSurfaceScale);
    WriteParam(aMsg, aParam.mKernelUnitLength);
    WriteParam(aMsg, aParam.mColor);
    WriteParam(aMsg, aParam.mLightingConstant);
    WriteParam(aMsg, aParam.mSpecularExponent);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    if (!ReadParam(aMsg, aIter, &aResult->mLightType) ||
        !ReadParam(aMsg, aIter, &aResult->mLightValues) ||
        !ReadParam(aMsg, aIter, &aResult->mSurfaceScale) ||
        !ReadParam(aMsg, aIter, &aResult->mKernelUnitLength) ||
        !ReadParam(aMsg, aIter, &aResult->mColor) ||
        !ReadParam(aMsg, aIter, &aResult->mLightingConstant) ||
        !ReadParam(aMsg, aIter, &aResult->mSpecularExponent)) {
      return false;
    }
    return true;
  }
};

template<>
struct ParamTraits<mozilla::gfx::CompositeAttributes>
{
  typedef mozilla::gfx::CompositeAttributes paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.mOperator);
    WriteParam(aMsg, aParam.mCoefficients);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    if (!ReadParam(aMsg, aIter, &aResult->mOperator) ||
        !ReadParam(aMsg, aIter, &aResult->mCoefficients)) {
      return false;
    }
    return true;
  }
};

template <>
struct ParamTraits<mozilla::gfx::FilterPrimitiveDescription>
{
  typedef mozilla::gfx::FilterPrimitiveDescription paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.PrimitiveSubregion());
    WriteParam(aMsg, aParam.FilterSpaceBounds());
    WriteParam(aMsg, aParam.IsTainted());
    WriteParam(aMsg, aParam.OutputColorSpace());
    WriteParam(aMsg, aParam.NumberOfInputs());
    for (size_t i = 0; i < aParam.NumberOfInputs(); i++) {
      WriteParam(aMsg, aParam.InputPrimitiveIndex(i));
      WriteParam(aMsg, aParam.InputColorSpace(i));
    }
    WriteParam(aMsg, aParam.Attributes());
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    mozilla::gfx::IntRect primitiveSubregion;
    mozilla::gfx::IntRect filterSpaceBounds;
    bool isTainted = false;
    mozilla::gfx::ColorSpace outputColorSpace;
    size_t numberOfInputs = 0;
    if (!ReadParam(aMsg, aIter, &primitiveSubregion) ||
        !ReadParam(aMsg, aIter, &filterSpaceBounds) ||
        !ReadParam(aMsg, aIter, &isTainted) ||
        !ReadParam(aMsg, aIter, &outputColorSpace) ||
        !ReadParam(aMsg, aIter, &numberOfInputs)) {
      return false;
    }

    aResult->SetPrimitiveSubregion(primitiveSubregion);
    aResult->SetFilterSpaceBounds(filterSpaceBounds);
    aResult->SetIsTainted(isTainted);
    aResult->SetOutputColorSpace(outputColorSpace);

    for (size_t i = 0; i < numberOfInputs; i++) {
      int32_t inputPrimitiveIndex = 0;
      mozilla::gfx::ColorSpace inputColorSpace;
      if (!ReadParam(aMsg, aIter, &inputPrimitiveIndex) ||
          !ReadParam(aMsg, aIter, &inputColorSpace)) {
        return false;
      }
      aResult->SetInputPrimitive(i, inputPrimitiveIndex);
      aResult->SetInputColorSpace(i, inputColorSpace);
    }

    return ReadParam(aMsg, aIter, &aResult->Attributes());
  }
};

template <>
struct ParamTraits<mozilla::gfx::FilterDescription>
{
  typedef mozilla::gfx::FilterDescription paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.mPrimitives);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
  {
    return (ReadParam(aMsg, aIter, &aResult->mPrimitives));
  }
};

template <>
struct ParamTraits<mozilla::gfx::Glyph>
{
  typedef mozilla::gfx::Glyph paramType;
  static void Write(Message* aMsg, const paramType& aParam) {
    WriteParam(aMsg, aParam.mIndex);
    WriteParam(aMsg, aParam.mPosition);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult) {
    return (ReadParam(aMsg, aIter, &aResult->mIndex) &&
            ReadParam(aMsg, aIter, &aResult->mPosition)
      );
  }
};

template<typename T, size_t Length>
struct ParamTraits<mozilla::Array<T, Length>>
{
  typedef mozilla::Array<T, Length> paramType;
  static void Write(Message* aMsg, const paramType& aParam) {
    for (size_t i = 0; i < Length; i++) {
      WriteParam(aMsg, aParam[i]);
    }
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult) {
    for (size_t i = 0; i < Length; i++) {
      if (!ReadParam<T>(aMsg, aIter, &aResult->operator[](i))) {
        return false;
      }
    }
    return true;
  }
};

template <>
struct ParamTraits<mozilla::gfx::CompositorHitTestInfo>
  : public BitFlagsEnumSerializer<mozilla::gfx::CompositorHitTestInfo,
                                  mozilla::gfx::CompositorHitTestInfo::ALL_BITS>
{
};

} /* namespace IPC */

#endif /* __GFXMESSAGEUTILS_H__ */

Coverage Report

Created: 2018-09-25 14:53