//======================================================================== // // 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 // Copyright (C) 2018 Albert Astals Cid // // 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" class SplashScreen; //------------------------------------------------------------------------ // SplashPattern //------------------------------------------------------------------------ class SplashPattern { public: SplashPattern(); virtual SplashPattern *copy() = 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 SplashSolidColor: public SplashPattern { public: SplashSolidColor(SplashColorPtr colorA); SplashPattern *copy() override { return new SplashSolidColor(color); } ~SplashSolidColor(); 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: virtual bool isParameterized() = 0; virtual int getNTriangles() = 0; virtual void getTriangle(int i, double *x0, double *y0, double *color0, double *x1, double *y1, double *color1, double *x2, double *y2, double *color2) = 0; virtual void getParameterizedColor(double t, SplashColorMode mode, SplashColorPtr c) = 0; }; #endif