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//========================================================================
//
// SplashState.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) 2011, 2012, 2015 Thomas Freitag <[email protected]>
// Copyright (C) 2017 Adrian Johnson <[email protected]>
// Copyright (C) 2018, 2021, 2022 Albert Astals Cid <[email protected]>
//
// 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 SPLASHSTATE_H
#define SPLASHSTATE_H

#include "SplashTypes.h"

class SplashPattern;
class SplashScreen;
class SplashClip;
class SplashBitmap;

//------------------------------------------------------------------------
// line cap values
//------------------------------------------------------------------------

#define splashLineCapButt 0
#define splashLineCapRound 1
#define splashLineCapProjecting 2

//------------------------------------------------------------------------
// line join values
//------------------------------------------------------------------------

#define splashLineJoinMiter 0
#define splashLineJoinRound 1
#define splashLineJoinBevel 2

//------------------------------------------------------------------------
// SplashState
//------------------------------------------------------------------------

class SplashState
{
public:
    // Create a new state object, initialized with default settings.
    SplashState(int width, int height, bool vectorAntialias, SplashScreenParams *screenParams);
    SplashState(int width, int height, bool vectorAntialias, SplashScreen *screenA);

    // Copy a state object.
    SplashState *copy() const { return new SplashState(this); }

    ~SplashState();

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

    // Set the stroke pattern.  This does not copy <strokePatternA>.
    void setStrokePattern(SplashPattern *strokePatternA);

    // Set the fill pattern.  This does not copy <fillPatternA>.
    void setFillPattern(SplashPattern *fillPatternA);

    // Set the screen.  This does not copy <screenA>.
    void setScreen(SplashScreen *screenA);

    // Set the line dash pattern.
    void setLineDash(std::vector<SplashCoord> &&lineDashA, SplashCoord lineDashPhaseA);

    // Set the soft mask bitmap.
    void setSoftMask(SplashBitmap *softMaskA);

    // Set the overprint parametes.
    void setFillOverprint(bool fillOverprintA) { fillOverprint = fillOverprintA; }
    void setStrokeOverprint(bool strokeOverprintA) { strokeOverprint = strokeOverprintA; }
    void setOverprintMode(int overprintModeA) { overprintMode = overprintModeA; }

    // Set the transfer function.
    void setTransfer(unsigned char *red, unsigned char *green, unsigned char *blue, unsigned char *gray);

private:
    explicit SplashState(const SplashState *state);

    SplashCoord matrix[6];
    SplashPattern *strokePattern;
    SplashPattern *fillPattern;
    SplashScreen *screen;
    SplashBlendFunc blendFunc;
    SplashCoord strokeAlpha;
    SplashCoord fillAlpha;
    bool multiplyPatternAlpha;
    SplashCoord patternStrokeAlpha;
    SplashCoord patternFillAlpha;
    SplashCoord lineWidth;
    int lineCap;
    int lineJoin;
    SplashCoord miterLimit;
    SplashCoord flatness;
    std::vector<SplashCoord> lineDash;
    SplashCoord lineDashPhase;
    bool strokeAdjust;
    SplashClip *clip;
    SplashBitmap *softMask;
    bool deleteSoftMask;
    bool inNonIsolatedGroup;
    bool fillOverprint;
    bool strokeOverprint;
    int overprintMode;
    unsigned char rgbTransferR[256], rgbTransferG[256], rgbTransferB[256];
    unsigned char grayTransfer[256];
    unsigned char cmykTransferC[256], cmykTransferM[256], cmykTransferY[256], cmykTransferK[256];
    unsigned char deviceNTransfer[SPOT_NCOMPS + 4][256];
    unsigned int overprintMask;
    bool overprintAdditive;

    SplashState *next; // used by Splash class

    friend class Splash;
};

#endif