peak_image_view.hpp

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#pragma once
 
#include <peak_common/types/geometry/peak_common_size.hpp>
#include <peak_common/types/peak_common_any.hpp>
#include <peak_common/types/peak_common_iimageview.hpp>
#include <peak_common/types/peak_common_pixel_format.hpp>
 
#include <memory>

namespace peak
{
namespace core
{
class Buffer;
class BufferPart;
 

class ImageView : public peak::common::IImageView
{
public:
    explicit ImageView(const std::shared_ptr<peak::core::Buffer>& buffer);
 
    explicit ImageView(const std::shared_ptr<core::BufferPart>& part);

    PEAK_COMMON_NO_DISCARD const uint8_t* GetData() const override;

    PEAK_COMMON_NO_DISCARD uint8_t* GetData() override;

    PEAK_COMMON_NO_DISCARD std::size_t GetSizeInBytes() const override;

    PEAK_COMMON_NO_DISCARD peak::common::PixelFormat GetPixelFormat() const override;

    PEAK_COMMON_NO_DISCARD peak::common::PixelFormatInfo GetPixelFormatInfo() const override;

    PEAK_COMMON_NO_DISCARD peak::common::Size GetSize() const override;

    PEAK_COMMON_NO_DISCARD uint32_t GetWidth() const override;

    PEAK_COMMON_NO_DISCARD uint32_t GetHeight() const override;

    PEAK_COMMON_NO_DISCARD size_t GetBitsPerPixel() const override;

    PEAK_COMMON_NO_DISCARD size_t GetBytesPerLine() const override;

    PEAK_COMMON_NO_DISCARD std::shared_ptr<peak::common::Metadata> GetMetadata() override;

    PEAK_COMMON_NO_DISCARD std::shared_ptr<const peak::common::Metadata> GetMetadata() const override;
 
private:
    struct ExtractedPayload
    {
        peak::common::Size m_size;
        peak::common::PixelFormat m_pixelFormat{};
        uint8_t* m_rawData{};
        size_t m_sizeInBytes{};
    };
 
    static ExtractedPayload ExtractPayloadTypeImage(const std::shared_ptr<peak::core::Buffer>& buffer);
    static ExtractedPayload ExtractPayloadTypeChunk(const std::shared_ptr<peak::core::Buffer>& buffer);
    static ExtractedPayload ExtractPayload(const std::shared_ptr<peak::core::Buffer>& buffer);
    static ExtractedPayload ExtractPayloadFromBufferPart(const std::shared_ptr<core::BufferPart>& part);
    explicit ImageView(const ExtractedPayload& payload);
    std::shared_ptr<peak::common::Metadata> m_metadata;
    const ExtractedPayload m_payload;
};
 
} // namespace core
} // namespace peak