ScreenProperties.h [plain text]
#pragma once
#if PLATFORM(MAC)
#include "FloatRect.h"
#include "PlatformScreen.h"
#include <wtf/RetainPtr.h>
#include <wtf/text/WTFString.h>
typedef struct CGColorSpace *CGColorSpaceRef;
namespace WebCore {
struct ScreenData {
FloatRect screenAvailableRect;
FloatRect screenRect;
RetainPtr<CGColorSpaceRef> colorSpace;
int screenDepth { 0 };
int screenDepthPerComponent { 0 };
bool screenSupportsExtendedColor { false };
bool screenHasInvertedColors { false };
bool screenIsMonochrome { false };
uint32_t displayMask { 0 };
enum EncodedColorSpaceDataType {
Null,
ColorSpaceName,
ColorSpaceData,
};
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static std::optional<ScreenData> decode(Decoder&);
};
typedef HashMap<PlatformDisplayID, ScreenData> ScreenDataMap;
struct ScreenProperties {
PlatformDisplayID primaryDisplayID { 0 };
ScreenDataMap screenDataMap;
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static std::optional<ScreenProperties> decode(Decoder&);
};
template<class Encoder>
void ScreenProperties::encode(Encoder& encoder) const
{
encoder << primaryDisplayID;
encoder << screenDataMap;
}
template<class Decoder>
std::optional<ScreenProperties> ScreenProperties::decode(Decoder& decoder)
{
std::optional<PlatformDisplayID> primaryDisplayID;
decoder >> primaryDisplayID;
if (!primaryDisplayID)
return std::nullopt;
std::optional<ScreenDataMap> screenDataMap;
decoder >> screenDataMap;
if (!screenDataMap)
return std::nullopt;
return { { *primaryDisplayID, WTFMove(*screenDataMap) } };
}
template<class Encoder>
void ScreenData::encode(Encoder& encoder) const
{
encoder << screenAvailableRect << screenRect << screenDepth << screenDepthPerComponent << screenSupportsExtendedColor << screenHasInvertedColors << screenIsMonochrome << displayMask;
if (colorSpace) {
if (auto name = adoptCF(CGColorSpaceCopyName(colorSpace.get()))) {
encoder.encodeEnum(ColorSpaceName);
encoder << String(name.get());
return;
}
if (auto profileData = adoptCF(CGColorSpaceCopyICCData(colorSpace.get()))) {
encoder.encodeEnum(ColorSpaceData);
Vector<uint8_t> iccData;
iccData.append(CFDataGetBytePtr(profileData.get()), CFDataGetLength(profileData.get()));
encoder << iccData;
return;
}
}
encoder << Null;
}
template<class Decoder>
std::optional<ScreenData> ScreenData::decode(Decoder& decoder)
{
std::optional<FloatRect> screenAvailableRect;
decoder >> screenAvailableRect;
if (!screenAvailableRect)
return std::nullopt;
std::optional<FloatRect> screenRect;
decoder >> screenRect;
if (!screenRect)
return std::nullopt;
std::optional<int> screenDepth;
decoder >> screenDepth;
if (!screenDepth)
return std::nullopt;
std::optional<int> screenDepthPerComponent;
decoder >> screenDepthPerComponent;
if (!screenDepthPerComponent)
return std::nullopt;
std::optional<bool> screenSupportsExtendedColor;
decoder >> screenSupportsExtendedColor;
if (!screenSupportsExtendedColor)
return std::nullopt;
std::optional<bool> screenHasInvertedColors;
decoder >> screenHasInvertedColors;
if (!screenHasInvertedColors)
return std::nullopt;
std::optional<bool> screenIsMonochrome;
decoder >> screenIsMonochrome;
if (!screenIsMonochrome)
return std::nullopt;
std::optional<uint32_t> displayMask;
decoder >> displayMask;
if (!displayMask)
return std::nullopt;
EncodedColorSpaceDataType dataType;
if (!decoder.decodeEnum(dataType))
return std::nullopt;
RetainPtr<CGColorSpaceRef> cgColorSpace;
switch (dataType) {
case Null:
break;
case ColorSpaceName: {
std::optional<String> colorSpaceName;
decoder >> colorSpaceName;
ASSERT(colorSpaceName);
if (!colorSpaceName)
return std::nullopt;
cgColorSpace = adoptCF(CGColorSpaceCreateWithName(colorSpaceName->createCFString().get()));
break;
}
case ColorSpaceData: {
std::optional<Vector<uint8_t>> iccData;
decoder >> iccData;
ASSERT(iccData);
if (!iccData)
return std::nullopt;
auto colorSpaceData = adoptCF(CFDataCreate(kCFAllocatorDefault, iccData->data(), iccData->size()));
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
cgColorSpace = adoptCF(CGColorSpaceCreateWithICCProfile(colorSpaceData.get()));
#pragma clang diagnostic pop
break;
}
}
return { { WTFMove(*screenAvailableRect), WTFMove(*screenRect), WTFMove(cgColorSpace), WTFMove(*screenDepth), WTFMove(*screenDepthPerComponent), WTFMove(*screenSupportsExtendedColor), WTFMove(*screenHasInvertedColors), WTFMove(*screenIsMonochrome), WTFMove(*displayMask) } };
}
}
#endif // PLATFORM(MAC)