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-rw-r--r--src/gui/painting/qcolorspace_p.h110
1 files changed, 51 insertions, 59 deletions
diff --git a/src/gui/painting/qcolorspace_p.h b/src/gui/painting/qcolorspace_p.h
index e7add19ed3..4ec801b16b 100644
--- a/src/gui/painting/qcolorspace_p.h
+++ b/src/gui/painting/qcolorspace_p.h
@@ -1,41 +1,5 @@
-/****************************************************************************
-**
-** Copyright (C) 2018 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtGui module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2024 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QCOLORSPACE_P_H
#define QCOLORSPACE_P_H
@@ -52,6 +16,7 @@
//
#include "qcolorspace.h"
+#include "qcolorclut_p.h"
#include "qcolormatrix_p.h"
#include "qcolortrc_p.h"
#include "qcolortrclut_p.h"
@@ -60,6 +25,8 @@
#include <QtCore/qpoint.h>
#include <QtCore/qshareddata.h>
+#include <memory>
+
QT_BEGIN_NAMESPACE
class Q_AUTOTEST_EXPORT QColorSpacePrimaries
@@ -91,51 +58,76 @@ class QColorSpacePrivate : public QSharedData
public:
QColorSpacePrivate();
QColorSpacePrivate(QColorSpace::NamedColorSpace namedColorSpace);
- QColorSpacePrivate(QColorSpace::Primaries primaries, QColorSpace::TransferFunction fun, float gamma);
- QColorSpacePrivate(const QColorSpacePrimaries &primaries, QColorSpace::TransferFunction fun, float gamma);
+ QColorSpacePrivate(QColorSpace::Primaries primaries, QColorSpace::TransferFunction transferFunction, float gamma);
+ QColorSpacePrivate(QColorSpace::Primaries primaries, const QList<uint16_t> &transferFunctionTable);
+ QColorSpacePrivate(const QColorSpacePrimaries &primaries, QColorSpace::TransferFunction transferFunction, float gamma);
+ QColorSpacePrivate(const QColorSpacePrimaries &primaries, const QList<uint16_t> &transferFunctionTable);
+ QColorSpacePrivate(const QColorSpacePrimaries &primaries,
+ const QList<uint16_t> &redTransferFunctionTable,
+ const QList<uint16_t> &greenTransferFunctionTable,
+ const QList<uint16_t> &blueRransferFunctionTable);
+ QColorSpacePrivate(const QPointF &whitePoint, QColorSpace::TransferFunction transferFunction, float gamma);
+ QColorSpacePrivate(const QPointF &whitePoint, const QList<uint16_t> &transferFunctionTable);
QColorSpacePrivate(const QColorSpacePrivate &other) = default;
- // named different from get to avoid accidental detachs
- static QColorSpacePrivate *getWritable(QColorSpace &colorSpace)
+ static const QColorSpacePrivate *get(const QColorSpace &colorSpace)
{
- if (!colorSpace.d_ptr) {
- colorSpace.d_ptr = new QColorSpacePrivate;
- colorSpace.d_ptr->ref.ref();
- } else if (colorSpace.d_ptr->ref.loadRelaxed() != 1) {
- colorSpace.d_ptr->ref.deref();
- colorSpace.d_ptr = new QColorSpacePrivate(*colorSpace.d_ptr);
- colorSpace.d_ptr->ref.ref();
- }
- Q_ASSERT(colorSpace.d_ptr->ref.loadRelaxed() == 1);
- return colorSpace.d_ptr;
+ return colorSpace.d_ptr.get();
}
- static const QColorSpacePrivate *get(const QColorSpace &colorSpace)
+ static QColorSpacePrivate *get(QColorSpace &colorSpace)
{
- return colorSpace.d_ptr;
+ return colorSpace.d_ptr.get();
}
+ bool equals(const QColorSpacePrivate *other) const;
+ bool isValid() const noexcept;
+
void initialize();
void setToXyzMatrix();
void setTransferFunction();
void identifyColorSpace();
+ void setTransferFunctionTable(const QList<uint16_t> &transferFunctionTable);
+ void setTransferFunctionTables(const QList<uint16_t> &redTransferFunctionTable,
+ const QList<uint16_t> &greenTransferFunctionTable,
+ const QList<uint16_t> &blueTransferFunctionTable);
QColorTransform transformationToColorSpace(const QColorSpacePrivate *out) const;
+ QColorTransform transformationToXYZ() const;
+
+ bool isThreeComponentMatrix() const;
+ void clearElementListProcessingForEdit();
static constexpr QColorSpace::NamedColorSpace Unknown = QColorSpace::NamedColorSpace(0);
QColorSpace::NamedColorSpace namedColorSpace = Unknown;
QColorSpace::Primaries primaries = QColorSpace::Primaries::Custom;
QColorSpace::TransferFunction transferFunction = QColorSpace::TransferFunction::Custom;
+ QColorSpace::TransformModel transformModel = QColorSpace::TransformModel::ThreeComponentMatrix;
+ QColorSpace::ColorModel colorModel = QColorSpace::ColorModel::Undefined;
float gamma = 0.0f;
QColorVector whitePoint;
+ // Three component matrix data:
QColorTrc trc[3];
QColorMatrix toXyz;
-
+ QColorMatrix chad;
+
+ // Element list processing data:
+ struct TransferElement {
+ QColorTrc trc[4];
+ };
+ using Element = std::variant<TransferElement, QColorMatrix, QColorVector, QColorCLUT>;
+ bool isPcsLab = false;
+ // A = device, B = PCS
+ QList<Element> mAB, mBA;
+
+ // Metadata
QString description;
+ QString userDescription;
QByteArray iccProfile;
- static QBasicMutex s_lutWriteLock;
+ // Cached tables for three component matrix transform:
+ Q_CONSTINIT static QBasicMutex s_lutWriteLock;
struct LUT {
LUT() = default;
~LUT() = default;
@@ -148,9 +140,9 @@ public:
generated.storeRelaxed(1);
}
}
- QSharedPointer<QColorTrcLut> &operator[](int i) { return table[i]; }
- const QSharedPointer<QColorTrcLut> &operator[](int i) const { return table[i]; }
- QSharedPointer<QColorTrcLut> table[3];
+ std::shared_ptr<QColorTrcLut> &operator[](int i) { return table[i]; }
+ const std::shared_ptr<QColorTrcLut> &operator[](int i) const { return table[i]; }
+ std::shared_ptr<QColorTrcLut> table[3];
QAtomicInt generated;
} mutable lut;
};