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// Copyright (C) 2023 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
// Qt-Security score:significant reason:default
#ifndef QSVGFILTER_P_H
#define QSVGFILTER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qsvgnode_p.h"
#include "qtsvgglobal_p.h"
#include "qsvgstructure_p.h"
#include "qgenericmatrix.h"
#include "QtGui/qvector4d.h"
QT_BEGIN_NAMESPACE
class Q_SVG_EXPORT QSvgFeFilterPrimitive : public QSvgStructureNode
{
public:
QSvgFeFilterPrimitive(QSvgNode *parent, const QString &input,
const QString &result, const QSvgRectF &rect);
~QSvgFeFilterPrimitive() override;
void drawCommand(QPainter *, QSvgExtraStates &) override {};
bool shouldDrawNode(QPainter *, QSvgExtraStates &) const override;
QRectF internalFastBounds(QPainter *, QSvgExtraStates &) const override { return QRectF(); }
QRectF internalBounds(QPainter *, QSvgExtraStates &) const override { return QRectF(); }
QRectF localSubRegion(const QRectF &itemBounds, const QRectF &filterBounds,
QtSvg::UnitTypes primitiveUnits, QtSvg::UnitTypes filterUnits) const;
QRectF globalSubRegion(QPainter *p,
const QRectF &itemBounds, const QRectF &filterBounds,
QtSvg::UnitTypes primitiveUnits, QtSvg::UnitTypes filterUnits) const;
void clipToTransformedBounds(QImage *buffer, QPainter *p, const QRectF &localRect) const;
virtual QImage apply(const QMap<QString, QImage> &sources,
QPainter *p, const QRectF &itemBounds, const QRectF &filterBounds,
QtSvg::UnitTypes primitiveUnits, QtSvg::UnitTypes filterUnits) const = 0;
virtual bool requiresSourceAlpha() const;
QString input() const { return m_input; }
QString result() const { return m_result; }
QSvgRectF rect() const { return m_rect; }
static const QSvgFeFilterPrimitive *castToFilterPrimitive(const QSvgNode *node);
protected:
QString m_input;
QString m_result;
QSvgRectF m_rect;
};
class Q_SVG_EXPORT QSvgFeColorMatrix : public QSvgFeFilterPrimitive
{
public:
enum class ColorShiftType : quint8 {
Matrix,
Saturate,
HueRotate,
LuminanceToAlpha
};
typedef QGenericMatrix<5, 5, qreal> Matrix;
typedef QGenericMatrix<5, 1, qreal> Vector;
QSvgFeColorMatrix(QSvgNode *parent, const QString &input, const QString &result,
const QSvgRectF &rect, ColorShiftType type, const Matrix &matrix);
~QSvgFeColorMatrix() override;
Type type() const override;
QImage apply(const QMap<QString, QImage> &sources,
QPainter *p, const QRectF &itemBounds, const QRectF &filterBounds,
QtSvg::UnitTypes primitiveUnits, QtSvg::UnitTypes filterUnits) const override;
Matrix matrix() const
{
return m_matrix;
}
private:
Matrix m_matrix;
};
class Q_SVG_EXPORT QSvgFeGaussianBlur : public QSvgFeFilterPrimitive
{
public:
enum class EdgeMode : quint8 {
Duplicate,
Wrap,
None
};
QSvgFeGaussianBlur(QSvgNode *parent, const QString &input, const QString &result,
const QSvgRectF &rect, qreal stdDeviationX, qreal stdDeviationY,
EdgeMode edgemode);
~QSvgFeGaussianBlur() override;
Type type() const override;
QImage apply(const QMap<QString, QImage> &sources,
QPainter *p, const QRectF &itemBounds, const QRectF &filterBounds,
QtSvg::UnitTypes primitiveUnits, QtSvg::UnitTypes filterUnits) const override;
qreal stdDeviationX() const { return m_stdDeviationX; }
qreal stdDeviationY() const { return m_stdDeviationY; }
EdgeMode edgeMode() const { return m_edgemode; }
private:
qreal m_stdDeviationX;
qreal m_stdDeviationY;
EdgeMode m_edgemode; // TODO: Unused. Start using it when there's a reference implementation.
};
class Q_SVG_EXPORT QSvgFeOffset : public QSvgFeFilterPrimitive
{
public:
QSvgFeOffset(QSvgNode *parent, const QString &input, const QString &result,
const QSvgRectF &rect, qreal dx, qreal dy);
~QSvgFeOffset() override;
Type type() const override;
QImage apply(const QMap<QString, QImage> &sources,
QPainter *p, const QRectF &itemBounds, const QRectF &filterBounds,
QtSvg::UnitTypes primitiveUnits, QtSvg::UnitTypes filterUnits) const override;
qreal dx() const { return m_dx; }
qreal dy() const { return m_dy; }
private:
qreal m_dx;
qreal m_dy;
};
class Q_SVG_EXPORT QSvgFeMerge : public QSvgFeFilterPrimitive
{
public:
QSvgFeMerge(QSvgNode *parent, const QString &input,
const QString &result, const QSvgRectF &rect);
~QSvgFeMerge() override;
Type type() const override;
QImage apply(const QMap<QString, QImage> &sources,
QPainter *p, const QRectF &itemBounds, const QRectF &filterBounds,
QtSvg::UnitTypes primitiveUnits, QtSvg::UnitTypes filterUnits) const override;
bool requiresSourceAlpha() const override;
};
class Q_SVG_EXPORT QSvgFeMergeNode : public QSvgFeFilterPrimitive
{
public:
QSvgFeMergeNode(QSvgNode *parent, const QString &input,
const QString &result, const QSvgRectF &rect);
~QSvgFeMergeNode() override;
Type type() const override;
QImage apply(const QMap<QString, QImage> &sources,
QPainter *p, const QRectF &itemBounds, const QRectF &filterBounds,
QtSvg::UnitTypes primitiveUnits, QtSvg::UnitTypes filterUnits) const override;
};
class Q_SVG_EXPORT QSvgFeComposite : public QSvgFeFilterPrimitive
{
public:
enum class Operator : quint8 {
Over,
In,
Out,
Atop,
Xor,
Lighter,
Arithmetic
};
QSvgFeComposite(QSvgNode *parent, const QString &input, const QString &result,
const QSvgRectF &rect, const QString &input2, Operator op, const QVector4D &k);
~QSvgFeComposite() override;
Type type() const override;
QImage apply(const QMap<QString, QImage> &sources,
QPainter *p, const QRectF &itemBounds, const QRectF &filterBounds,
QtSvg::UnitTypes primitiveUnits, QtSvg::UnitTypes filterUnits) const override;
bool requiresSourceAlpha() const override;
QString input2() const { return m_input2; }
Operator compositionOperator() const { return m_operator; }
QVector4D k() const { return m_k; }
private:
QString m_input2;
Operator m_operator;
QVector4D m_k;
};
class Q_SVG_EXPORT QSvgFeFlood : public QSvgFeFilterPrimitive
{
public:
QSvgFeFlood(QSvgNode *parent, const QString &input, const QString &result,
const QSvgRectF &rect, const QColor &color);
~QSvgFeFlood() override;
Type type() const override;
QImage apply(const QMap<QString, QImage> &sources,
QPainter *p, const QRectF &itemBounds, const QRectF &filterBounds,
QtSvg::UnitTypes primitiveUnits, QtSvg::UnitTypes filterUnits) const override;
QColor color() const { return m_color; }
private:
QColor m_color;
};
class Q_SVG_EXPORT QSvgFeBlend : public QSvgFeFilterPrimitive
{
public:
enum class Mode : quint8 {
Normal,
Multiply,
Screen,
Darken,
Lighten
};
QSvgFeBlend(QSvgNode *parent, const QString &input, const QString &result,
const QSvgRectF &rect, const QString &input2, Mode mode);
~QSvgFeBlend() override;
Type type() const override;
QImage apply(const QMap<QString, QImage> &sources,
QPainter *p, const QRectF &itemBounds, const QRectF &filterBounds,
QtSvg::UnitTypes primitiveUnits, QtSvg::UnitTypes filterUnits) const override;
bool requiresSourceAlpha() const override;
QString input2() const { return m_input2; }
Mode mode() const { return m_mode; }
private:
QString m_input2;
Mode m_mode;
};
class Q_SVG_EXPORT QSvgFeUnsupported : public QSvgFeFilterPrimitive
{
public:
QSvgFeUnsupported(QSvgNode *parent, const QString &input,
const QString &result, const QSvgRectF &rect);
~QSvgFeUnsupported() override;
Type type() const override;
QImage apply(const QMap<QString, QImage> &sources,
QPainter *p, const QRectF &itemBounds, const QRectF &filterBounds,
QtSvg::UnitTypes primitiveUnits, QtSvg::UnitTypes filterUnits) const override;
};
QT_END_NAMESPACE
#endif // QSVGFILTER_P_H