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267 lines
9.1 KiB
C++
267 lines
9.1 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 <LibGfx/ICC/Profile.h>
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#include <LibGfx/PaintStyle.h>
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#include <LibPDF/Function.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, true) \
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V(Separation, false) \
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V(DeviceN, false)
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namespace PDF {
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typedef Variant<Gfx::Color, NonnullRefPtr<Gfx::PaintStyle>> ColorOrStyle;
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class Renderer;
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class ColorSpaceFamily {
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public:
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ColorSpaceFamily(DeprecatedFlyString name, bool may_be_specified_directly)
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: m_name(move(name))
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, m_may_be_specified_directly(may_be_specified_directly)
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{
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}
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DeprecatedFlyString name() const { return m_name; }
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bool may_be_specified_directly() const { return m_may_be_specified_directly; }
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static PDFErrorOr<ColorSpaceFamily> get(DeprecatedFlyString const&);
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#define ENUMERATE(name, may_be_specified_directly) static ColorSpaceFamily name;
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ENUMERATE_COLOR_SPACE_FAMILIES(ENUMERATE)
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#undef ENUMERATE
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bool operator==(ColorSpaceFamily const& other) const
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{
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return m_name == other.m_name;
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}
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private:
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DeprecatedFlyString m_name;
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bool m_may_be_specified_directly;
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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(Document*, NonnullRefPtr<Object>, Renderer&);
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static PDFErrorOr<NonnullRefPtr<ColorSpace>> create(DeprecatedFlyString const&, Renderer&);
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static PDFErrorOr<NonnullRefPtr<ColorSpace>> create(Document*, NonnullRefPtr<ArrayObject>, Renderer&);
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virtual ~ColorSpace() = default;
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virtual PDFErrorOr<ColorOrStyle> style(ReadonlySpan<float> arguments) const = 0;
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virtual PDFErrorOr<ColorOrStyle> style(ReadonlySpan<Value> arguments) const
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{
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Vector<float, 4> float_arguments;
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for (auto& argument : arguments)
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float_arguments.append(argument.to_float());
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return style(float_arguments);
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}
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virtual int number_of_components() const = 0;
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virtual Vector<float> default_decode() const = 0; // "TABLE 4.40 Default Decode arrays"
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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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PDFErrorOr<ColorOrStyle> style(ReadonlySpan<float> 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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PDFErrorOr<ColorOrStyle> style(ReadonlySpan<float> 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 ErrorOr<NonnullRefPtr<DeviceCMYKColorSpace>> the();
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~DeviceCMYKColorSpace() override = default;
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PDFErrorOr<ColorOrStyle> style(ReadonlySpan<float> 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 DeviceNColorSpace final : public ColorSpace {
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public:
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static PDFErrorOr<NonnullRefPtr<DeviceNColorSpace>> create(Document*, Vector<Value>&& parameters, Renderer&);
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~DeviceNColorSpace() override = default;
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PDFErrorOr<ColorOrStyle> style(ReadonlySpan<float> arguments) const override;
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int number_of_components() const override;
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Vector<float> default_decode() const override;
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ColorSpaceFamily const& family() const override { return ColorSpaceFamily::DeviceN; }
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private:
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DeviceNColorSpace(NonnullRefPtr<ColorSpace>, NonnullRefPtr<Function>);
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Vector<ByteString> m_names;
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NonnullRefPtr<ColorSpace> m_alternate_space;
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NonnullRefPtr<Function> m_tint_transform;
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Vector<Value> mutable m_tint_output_values;
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};
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class CalGrayColorSpace final : public ColorSpace {
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public:
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static PDFErrorOr<NonnullRefPtr<CalGrayColorSpace>> create(Document*, Vector<Value>&& parameters);
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~CalGrayColorSpace() override = default;
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PDFErrorOr<ColorOrStyle> style(ReadonlySpan<float> 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::CalGray; }
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private:
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CalGrayColorSpace() = 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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float m_gamma { 1 };
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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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PDFErrorOr<ColorOrStyle> style(ReadonlySpan<float> 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, Renderer&);
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~ICCBasedColorSpace() override = default;
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PDFErrorOr<ColorOrStyle> style(ReadonlySpan<float> arguments) const override;
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int number_of_components() const override;
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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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static NonnullRefPtr<Gfx::ICC::Profile> sRGB();
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private:
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ICCBasedColorSpace(NonnullRefPtr<Gfx::ICC::Profile>);
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static RefPtr<Gfx::ICC::Profile> s_srgb_profile;
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NonnullRefPtr<Gfx::ICC::Profile> m_profile;
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mutable Vector<float, 4> m_components;
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mutable Vector<u8, 4> m_bytes;
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Optional<Gfx::ICC::MatrixMatrixConversion> m_map;
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};
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class LabColorSpace final : public ColorSpace {
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public:
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static PDFErrorOr<NonnullRefPtr<LabColorSpace>> create(Document*, Vector<Value>&& parameters);
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~LabColorSpace() override = default;
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PDFErrorOr<ColorOrStyle> style(ReadonlySpan<float> 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::Lab; }
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private:
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LabColorSpace() = 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, 4> m_range { -100, 100, -100, 100 };
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};
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class IndexedColorSpace final : public ColorSpace {
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public:
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static PDFErrorOr<NonnullRefPtr<ColorSpace>> create(Document*, Vector<Value>&& parameters, Renderer&);
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~IndexedColorSpace() override = default;
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PDFErrorOr<ColorOrStyle> style(ReadonlySpan<float> 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::Indexed; }
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private:
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IndexedColorSpace(NonnullRefPtr<ColorSpace>);
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NonnullRefPtr<ColorSpace> m_base;
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int m_hival { 0 };
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Vector<u8> m_lookup;
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};
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class SeparationColorSpace final : public ColorSpace {
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public:
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static PDFErrorOr<NonnullRefPtr<SeparationColorSpace>> create(Document*, Vector<Value>&& parameters, Renderer&);
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~SeparationColorSpace() override = default;
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PDFErrorOr<ColorOrStyle> style(ReadonlySpan<float> 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::Separation; }
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private:
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SeparationColorSpace(NonnullRefPtr<ColorSpace>, NonnullRefPtr<Function>);
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ByteString m_name;
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NonnullRefPtr<ColorSpace> m_alternate_space;
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NonnullRefPtr<Function> m_tint_transform;
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Vector<Value> mutable m_tint_output_values;
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};
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}
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