//========================================================================

//

// SplashPattern.h

//

//========================================================================

//========================================================================

//

// Modified under the Poppler project - http://poppler.freedesktop.org

//

// All changes made under the Poppler project to this file are licensed

// under GPL version 2 or later

//

// Copyright (C) 2010, 2011, 2014 Thomas Freitag <Thomas.Freitag@alfa.de>

// Copyright (C) 2018, 2020, 2021, 2025 Albert Astals Cid <aacid@kde.org>

//

// To see a description of the changes please see the Changelog file that

// came with your tarball or type make ChangeLog if you are building from git

//

//========================================================================

#ifndef SPLASHPATTERN_H

#define SPLASHPATTERN_H

#include "SplashTypes.h"

#include "poppler_private_export.h"

class SplashScreen;

//------------------------------------------------------------------------

// SplashPattern

//------------------------------------------------------------------------

class POPPLER_PRIVATE_EXPORT SplashPattern

{

public:

    SplashPattern();

    virtual SplashPattern *copy() const = 0;

    virtual ~SplashPattern();

    SplashPattern(const SplashPattern &) = delete;

    SplashPattern &operator=(const SplashPattern &) = delete;

    // Return the color value for a specific pixel.

    virtual bool getColor(int x, int y, SplashColorPtr c) const = 0;

    // Test if x,y-position is inside pattern.

    virtual bool testPosition(int x, int y) const = 0;

    // Returns true if this pattern object will return the same color

    // value for all pixels.

    virtual bool isStatic() const = 0;

    // Returns true if this pattern colorspace is CMYK.

    virtual bool isCMYK() const = 0;

private:

};

//------------------------------------------------------------------------

// SplashSolidColor

//------------------------------------------------------------------------

class POPPLER_PRIVATE_EXPORT SplashSolidColor : public SplashPattern

{

public:

    explicit SplashSolidColor(SplashColorConstPtr colorA);

    SplashPattern *copy() const override { return new SplashSolidColor(color); }

    ~SplashSolidColor() override;

    bool getColor(int x, int y, SplashColorPtr c) const override;

    bool testPosition(int /*x*/, int /*y*/) const override { return false; }

    bool isStatic() const override { return true; }

    bool isCMYK() const override { return false; }

private:

    SplashColor color;

};

//------------------------------------------------------------------------

// SplashGouraudColor (needed for gouraudTriangleShadedFill)

//------------------------------------------------------------------------

class SplashGouraudColor : public SplashPattern

{

public:

    ~SplashGouraudColor() override;

    virtual bool isParameterized() = 0;

    virtual int getNTriangles() = 0;

    virtual void getParametrizedTriangle(int i, double *x0, double *y0, double *color0, double *x1, double *y1, double *color1, double *x2, double *y2, double *color2) = 0;

    virtual void getNonParametrizedTriangle(int i, SplashColorMode mode, double *x0, double *y0, SplashColorPtr color0, double *x1, double *y1, SplashColorPtr color1, double *x2, double *y2, SplashColorPtr color2) = 0;

    virtual void getParameterizedColor(double t, SplashColorMode mode, SplashColorPtr c) = 0;

};

#endif