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//========================================================================
//
// 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 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) = 0;
// Test if x,y-position is inside pattern.
virtual bool testPosition(int x, int y) = 0;
// Returns true if this pattern object will return the same color
// value for all pixels.
virtual bool isStatic() = 0;
// Returns true if this pattern colorspace is CMYK.
virtual bool isCMYK() = 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) override;
bool testPosition(int x, int y) override { return false; }
bool isStatic() override { return true; }
bool isCMYK() 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