kis_display_filter.h

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/*
 *  SPDX-FileCopyrightText: 2012 Boudewijn Rempt <boud@valdyas.org>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
#ifndef KIS_DISPLAY_FILTER_H
#define KIS_DISPLAY_FILTER_H
 
#include <QObject>
 
#include <qopengl.h>
 
#include <kritaui_export.h>
 
struct KisExposureGammaCorrectionInterface;
 
#ifndef Q_MOC_RUN
#ifndef Q_OS_MACOS
#define GLFunctions QOpenGLFunctions
#else
#define GLFunctions QOpenGLFunctions_3_2_Core
#endif
#endif
class GLFunctions;
class QOpenGLShaderProgram;
 
class KRITAUI_EXPORT KisDisplayFilter : public QObject
{
    Q_OBJECT
public:
    explicit KisDisplayFilter(QObject *parent = 0);
 
    virtual QString program() const = 0;
    virtual void setupTextures(GLFunctions *f, QOpenGLShaderProgram *program) const = 0;
    virtual void filter(quint8 *pixels, quint32 numPixels) = 0;
    virtual void approximateInverseTransformation(quint8 *pixels, quint32 numPixels) = 0;
    virtual void approximateForwardTransformation(quint8 *pixels, quint32 numPixels) = 0;
    virtual bool useInternalColorManagement() const = 0;
    virtual KisExposureGammaCorrectionInterface *correctionInterface() const = 0;
    virtual bool lockCurrentColorVisualRepresentation() const = 0;
    virtual bool updateShader() = 0;
};
 
 
#endif