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f3db548a3d
DeprecatedFlyString relies heavily on DeprecatedString's StringImpl, so let's rename it to A) match the name of DeprecatedString, B) write a new FlyString class that is tied to String.
144 lines
4.5 KiB
C++
144 lines
4.5 KiB
C++
/*
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* Copyright (c) 2021-2022, Matthew Olsson <mattco@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/DeprecatedFlyString.h>
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#include <AK/Forward.h>
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#include <LibGfx/Color.h>
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#include <LibPDF/Value.h>
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#define ENUMERATE_COLOR_SPACE_FAMILIES(V) \
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V(DeviceGray, true) \
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V(DeviceRGB, true) \
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V(DeviceCMYK, true) \
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V(CalGray, false) \
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V(CalRGB, false) \
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V(Lab, false) \
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V(ICCBased, false) \
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V(Indexed, false) \
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V(Pattern, false) \
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V(Separation, false) \
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V(DeviceN, false)
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namespace PDF {
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class ColorSpaceFamily {
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public:
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ColorSpaceFamily(DeprecatedFlyString name, bool never_needs_paramaters_p)
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: m_name(move(name))
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, m_never_needs_parameters(never_needs_paramaters_p)
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{
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}
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DeprecatedFlyString name() const { return m_name; };
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bool never_needs_parameters() const { return m_never_needs_parameters; };
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static PDFErrorOr<ColorSpaceFamily> get(DeprecatedFlyString const&);
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#define ENUMERATE(name, ever_needs_parameters) static ColorSpaceFamily name;
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ENUMERATE_COLOR_SPACE_FAMILIES(ENUMERATE)
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#undef ENUMERATE
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private:
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DeprecatedFlyString m_name;
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bool m_never_needs_parameters;
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};
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class ColorSpace : public RefCounted<ColorSpace> {
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public:
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static PDFErrorOr<NonnullRefPtr<ColorSpace>> create(DeprecatedFlyString const&);
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static PDFErrorOr<NonnullRefPtr<ColorSpace>> create(Document*, NonnullRefPtr<ArrayObject>);
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virtual ~ColorSpace() = default;
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virtual Color color(Vector<Value> const& arguments) const = 0;
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virtual int number_of_components() const = 0;
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virtual Vector<float> default_decode() const = 0;
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virtual ColorSpaceFamily const& family() const = 0;
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};
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class DeviceGrayColorSpace final : public ColorSpace {
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public:
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static NonnullRefPtr<DeviceGrayColorSpace> the();
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~DeviceGrayColorSpace() override = default;
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Color color(Vector<Value> const& arguments) const override;
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int number_of_components() const override { return 1; }
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Vector<float> default_decode() const override;
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ColorSpaceFamily const& family() const override { return ColorSpaceFamily::DeviceGray; }
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private:
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DeviceGrayColorSpace() = default;
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};
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class DeviceRGBColorSpace final : public ColorSpace {
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public:
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static NonnullRefPtr<DeviceRGBColorSpace> the();
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~DeviceRGBColorSpace() override = default;
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Color color(Vector<Value> const& arguments) const override;
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int number_of_components() const override { return 3; }
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Vector<float> default_decode() const override;
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ColorSpaceFamily const& family() const override { return ColorSpaceFamily::DeviceRGB; }
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private:
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DeviceRGBColorSpace() = default;
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};
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class DeviceCMYKColorSpace final : public ColorSpace {
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public:
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static NonnullRefPtr<DeviceCMYKColorSpace> the();
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~DeviceCMYKColorSpace() override = default;
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Color color(Vector<Value> const& arguments) const override;
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int number_of_components() const override { return 4; }
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Vector<float> default_decode() const override;
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ColorSpaceFamily const& family() const override { return ColorSpaceFamily::DeviceCMYK; }
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private:
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DeviceCMYKColorSpace() = default;
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};
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class CalRGBColorSpace final : public ColorSpace {
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public:
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static PDFErrorOr<NonnullRefPtr<CalRGBColorSpace>> create(Document*, Vector<Value>&& parameters);
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~CalRGBColorSpace() override = default;
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Color color(Vector<Value> const& arguments) const override;
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int number_of_components() const override { return 3; }
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Vector<float> default_decode() const override;
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ColorSpaceFamily const& family() const override { return ColorSpaceFamily::CalRGB; }
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private:
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CalRGBColorSpace() = default;
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Array<float, 3> m_whitepoint { 0, 0, 0 };
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Array<float, 3> m_blackpoint { 0, 0, 0 };
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Array<float, 3> m_gamma { 1, 1, 1 };
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Array<float, 9> m_matrix { 1, 0, 0, 0, 1, 0, 0, 0, 1 };
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};
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class ICCBasedColorSpace final : public ColorSpace {
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public:
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static PDFErrorOr<NonnullRefPtr<ColorSpace>> create(Document*, Vector<Value>&& parameters);
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~ICCBasedColorSpace() override = default;
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Color color(Vector<Value> const& arguments) const override;
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int number_of_components() const override { VERIFY_NOT_REACHED(); }
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Vector<float> default_decode() const override;
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ColorSpaceFamily const& family() const override { return ColorSpaceFamily::ICCBased; }
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private:
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ICCBasedColorSpace() = delete;
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};
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}
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