/*
 * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
 * Copyright (C) 2004-2024 Apple Inc.  All rights reserved.
 * Copyright (C) 2008-2009 Torch Mobile, Inc.
 *
 * 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.
 */

#pragma once

#include "Image.h"
#include "ImageSource.h"
#include <wtf/Function.h>

namespace WebCore {

class ImageObserver;
class ImageSource;
class NativeImage;

class BitmapImage final : public Image {
public:
    WEBCORE_EXPORT static Ref<BitmapImage> create(ImageObserver* = nullptr, AlphaOption = AlphaOption::Premultiplied, GammaAndColorProfileOption = GammaAndColorProfileOption::Applied);
    WEBCORE_EXPORT static Ref<BitmapImage> create(Ref<NativeImage>&&);
    WEBCORE_EXPORT static RefPtr<BitmapImage> create(RefPtr<NativeImage>&&);
    WEBCORE_EXPORT static RefPtr<BitmapImage> create(PlatformImagePtr&&);

    // Animation
    void startAnimation() final { m_source->startAnimation(); }
    void stopAnimation() final { m_source->stopAnimation(); }
    void resetAnimation() final { m_source->resetAnimation(); }
    bool isAnimated() const final { return m_source->isAnimated(); }
    bool hasEverAnimated() const { return m_source->hasEverAnimated(); }

    // Decoding
    bool isLargeForDecoding() const { return m_source->isLargeForDecoding(); }
    void stopDecodingWorkQueue() { m_source->stopDecodingWorkQueue(); }
    void decode(Function<void(DecodingStatus)>&& decodeCallback) { m_source->decode(WTFMove(decodeCallback)); }

    // Current ImageFrame
    unsigned currentFrameIndex() const { return m_source->currentFrameIndex(); }
    bool currentFrameHasAlpha() const { return m_source->currentImageFrame().hasAlpha(); }
    ImageOrientation currentFrameOrientation() const { return m_source->currentImageFrame().orientation(); }
    DecodingOptions currentFrameDecodingOptions() const { return m_source->currentImageFrame().decodingOptions(); }

    // Primary & current NativeImage
    RefPtr<NativeImage> primaryNativeImage() { return m_source->primaryNativeImage(); }
    RefPtr<NativeImage> nativeImage(const DestinationColorSpace& = DestinationColorSpace::SRGB()) final { return primaryNativeImage(); }
    RefPtr<NativeImage> currentNativeImage() final { return m_source->currentNativeImage(); }

    // Image Metadata
    FloatSize size(ImageOrientation orientation = ImageOrientation::Orientation::FromImage) const final { return m_source->size(orientation); }
    FloatSize sourceSize(ImageOrientation orientation = ImageOrientation::Orientation::FromImage) const { return m_source->sourceSize(orientation); }
    DestinationColorSpace colorSpace() final { return m_source->colorSpace(); }
    ImageOrientation orientation() const final { return m_source->orientation(); }
    unsigned frameCount() const final { return m_source->frameCount(); }
#if ASSERT_ENABLED
    bool hasSolidColor() final { return m_source->hasSolidColor(); }
#endif

    // ImageFrame
    Seconds frameDurationAtIndex(unsigned index) const { return m_source->frameDurationAtIndex(index); }

    // NativeImage
    RefPtr<NativeImage> nativeImageAtIndex(unsigned index) final { return m_source->nativeImageAtIndex(index); }

    // Testing support.
    const char* sourceUTF8() const { return sourceURL().string().utf8().data(); }
    void setAsyncDecodingEnabledForTesting(bool enabled) { m_source->setAsyncDecodingEnabledForTesting(enabled); }
    bool isAsyncDecodingEnabledForTesting() const { return m_source->isAsyncDecodingEnabledForTesting(); }
    void setMinimumDecodingDurationForTesting(Seconds duration) { m_source->setMinimumDecodingDurationForTesting(duration); }
    void setClearDecoderAfterAsyncFrameRequestForTesting(bool enabled) { m_source->setClearDecoderAfterAsyncFrameRequestForTesting(enabled); }
    unsigned decodeCountForTesting() const { return m_source->decodeCountForTesting(); }

private:
    BitmapImage(ImageObserver*, AlphaOption, GammaAndColorProfileOption);
    BitmapImage(Ref<NativeImage>&&);

    // Encoded and decoded data
    EncodedDataStatus dataChanged(bool allDataReceived) final;
    void destroyDecodedData(bool destroyAll = true) final;

    // Current ImageFrame
    bool currentFrameKnownToBeOpaque() const final { return !currentFrameHasAlpha(); }

    // Current NativeImage
    RefPtr<NativeImage> currentPreTransformedNativeImage(ImageOrientation orientation) final { return m_source->currentPreTransformedNativeImage(orientation); }

    // Image Metadata
    bool hasDensityCorrectedSize() const final { return m_source->hasDensityCorrectedSize(); }
    String uti() const final { return m_source->uti(); }
    String filenameExtension() const final { return m_source->filenameExtension(); }
    String accessibilityDescription() const final { return m_source->accessibilityDescription(); }
    std::optional<IntPoint> hotSpot() const final { return m_source->hotSpot(); }
    std::optional<Color> singlePixelSolidColor() const final { return m_source->singlePixelSolidColor(); }

    // Image methods
    bool isBitmapImage() const final { return true; }
    bool isAnimating() const final { return m_source->isAnimating(); }

    ImageDrawResult draw(GraphicsContext&, const FloatRect& destinationRect, const FloatRect& sourceRect, ImagePaintingOptions = { }) final;
    void drawPattern(GraphicsContext&, const FloatRect& destinationRect, const FloatRect& tileRect, const AffineTransform& patternTransform, const FloatPoint& phase, const FloatSize& spacing, ImagePaintingOptions = { }) final;

    void dump(WTF::TextStream&) const final;

    Ref<ImageSource> m_source;
};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_IMAGE(BitmapImage)
