| 1 | // Copyright (C) 2023 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QCMYK_P_H |
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| 5 | #define QCMYK_P_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QtGui/private/qtguiglobal_p.h> |
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| 19 | #include <QtGui/qcolor.h> |
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| 20 | |
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| 21 | QT_BEGIN_NAMESPACE |
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| 22 | |
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| 23 | class QCmyk32 |
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| 24 | { |
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| 25 | private: |
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| 26 | uint m_cmyk = 0; |
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| 27 | friend constexpr bool comparesEqual(const QCmyk32 &lhs, const QCmyk32 &rhs) noexcept |
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| 28 | { |
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| 29 | return lhs.m_cmyk == rhs.m_cmyk; |
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| 30 | } |
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| 31 | |
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| 32 | public: |
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| 33 | QCmyk32() = default; |
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| 34 | |
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| 35 | constexpr QCmyk32(int cyan, int magenta, int yellow, int black) : |
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| 36 | #if Q_BYTE_ORDER == Q_BIG_ENDIAN |
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| 37 | m_cmyk(uint(cyan) << 24 | magenta << 16 | yellow << 8 | black) |
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| 38 | #else |
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| 39 | m_cmyk(cyan | magenta << 8 | yellow << 16 | uint(black) << 24) |
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| 40 | #endif |
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| 41 | { |
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| 42 | } |
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| 43 | |
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| 44 | #if Q_BYTE_ORDER == Q_BIG_ENDIAN |
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| 45 | constexpr int cyan() const noexcept { return (m_cmyk >> 24) & 0xff; } |
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| 46 | constexpr int magenta() const noexcept { return (m_cmyk >> 16) & 0xff; } |
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| 47 | constexpr int yellow() const noexcept { return (m_cmyk >> 8) & 0xff; } |
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| 48 | constexpr int black() const noexcept { return (m_cmyk ) & 0xff; } |
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| 49 | #else |
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| 50 | constexpr int cyan() const noexcept { return (m_cmyk ) & 0xff; } |
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| 51 | constexpr int magenta() const noexcept { return (m_cmyk >> 8) & 0xff; } |
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| 52 | constexpr int yellow() const noexcept { return (m_cmyk >> 16) & 0xff; } |
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| 53 | constexpr int black() const noexcept { return (m_cmyk >> 24) & 0xff; } |
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| 54 | #endif |
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| 55 | |
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| 56 | QColor toColor() const noexcept |
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| 57 | { |
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| 58 | return QColor::fromCmyk(c: cyan(), m: magenta(), y: yellow(), k: black()); |
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| 59 | } |
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| 60 | |
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| 61 | constexpr uint toUint() const noexcept |
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| 62 | { |
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| 63 | return m_cmyk; |
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| 64 | } |
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| 65 | |
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| 66 | constexpr static QCmyk32 fromCmyk32(uint cmyk) noexcept |
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| 67 | { |
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| 68 | QCmyk32 result; |
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| 69 | result.m_cmyk = cmyk; |
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| 70 | return result; |
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| 71 | } |
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| 72 | |
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| 73 | static QCmyk32 fromRgba(QRgb rgba) noexcept |
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| 74 | { |
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| 75 | const QColor c = QColor(rgba).toCmyk(); |
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| 76 | return QCmyk32(c.cyan(), c.magenta(), c.yellow(), c.black()); |
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| 77 | } |
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| 78 | |
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| 79 | static QCmyk32 fromColor(const QColor &color) noexcept |
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| 80 | { |
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| 81 | QColor c = color.toCmyk(); |
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| 82 | return QCmyk32(c.cyan(), c.magenta(), c.yellow(), c.black()); |
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| 83 | } |
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| 84 | |
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| 85 | Q_DECLARE_EQUALITY_COMPARABLE_LITERAL_TYPE(QCmyk32) |
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| 86 | }; |
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| 87 | |
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| 88 | static_assert(sizeof(QCmyk32) == sizeof(int)); |
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| 89 | static_assert(alignof(QCmyk32) == alignof(int)); |
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| 90 | static_assert(std::is_standard_layout_v<QCmyk32>); |
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| 91 | |
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| 92 | QT_END_NAMESPACE |
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| 93 | |
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| 94 | #endif // QCMYK_P_H |
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| 95 | |
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