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//========================================================================
//
// SplashTypes.h
//
//========================================================================
#ifndef SPLASHTYPES_H
#define SPLASHTYPES_H
#include <aconf.h>
#include "gtypes.h"
//------------------------------------------------------------------------
// coordinates
//------------------------------------------------------------------------
#if USE_FIXEDPOINT
#include "FixedPoint.h"
typedef FixedPoint SplashCoord;
#else
typedef double SplashCoord;
#endif
//------------------------------------------------------------------------
// antialiasing
//------------------------------------------------------------------------
#define splashAASize 4
//------------------------------------------------------------------------
// colors
//------------------------------------------------------------------------
enum SplashColorMode {
splashModeMono1, // 1 bit per component, 8 pixels per byte,
// MSbit is on the left
splashModeMono8, // 1 byte per component, 1 byte per pixel
splashModeRGB8, // 1 byte per component, 3 bytes per pixel:
// RGBRGB...
splashModeBGR8 // 1 byte per component, 3 bytes per pixel:
// BGRBGR...
#if SPLASH_CMYK
,
splashModeCMYK8 // 1 byte per component, 4 bytes per pixel:
// CMYKCMYK...
#endif
};
// number of components in each color mode
// (defined in SplashState.cpp)
extern int splashColorModeNComps[];
// max number of components in any SplashColor
#if SPLASH_CMYK
# define splashMaxColorComps 4
#else
# define splashMaxColorComps 3
#endif
typedef Guchar SplashColor[splashMaxColorComps];
typedef Guchar *SplashColorPtr;
// RGB8
static inline Guchar splashRGB8R(SplashColorPtr rgb8) { return rgb8[0]; }
static inline Guchar splashRGB8G(SplashColorPtr rgb8) { return rgb8[1]; }
static inline Guchar splashRGB8B(SplashColorPtr rgb8) { return rgb8[2]; }
// BGR8
static inline Guchar splashBGR8R(SplashColorPtr bgr8) { return bgr8[2]; }
static inline Guchar splashBGR8G(SplashColorPtr bgr8) { return bgr8[1]; }
static inline Guchar splashBGR8B(SplashColorPtr bgr8) { return bgr8[0]; }
#if SPLASH_CMYK
// CMYK8
static inline Guchar splashCMYK8C(SplashColorPtr cmyk8) { return cmyk8[0]; }
static inline Guchar splashCMYK8M(SplashColorPtr cmyk8) { return cmyk8[1]; }
static inline Guchar splashCMYK8Y(SplashColorPtr cmyk8) { return cmyk8[2]; }
static inline Guchar splashCMYK8K(SplashColorPtr cmyk8) { return cmyk8[3]; }
#endif
static inline void splashColorCopy(SplashColorPtr dest, SplashColorPtr src) {
dest[0] = src[0];
dest[1] = src[1];
dest[2] = src[2];
#if SPLASH_CMYK
dest[3] = src[3];
#endif
}
static inline void splashColorXor(SplashColorPtr dest, SplashColorPtr src) {
dest[0] ^= src[0];
dest[1] ^= src[1];
dest[2] ^= src[2];
#if SPLASH_CMYK
dest[3] ^= src[3];
#endif
}
//------------------------------------------------------------------------
// blend functions
//------------------------------------------------------------------------
typedef void (*SplashBlendFunc)(SplashColorPtr src, SplashColorPtr dest,
SplashColorPtr blend, SplashColorMode cm);
//------------------------------------------------------------------------
// screen parameters
//------------------------------------------------------------------------
enum SplashScreenType {
splashScreenDispersed,
splashScreenClustered,
splashScreenStochasticClustered
};
struct SplashScreenParams {
SplashScreenType type;
int size;
int dotRadius;
SplashCoord gamma;
SplashCoord blackThreshold;
SplashCoord whiteThreshold;
};
//------------------------------------------------------------------------
// error results
//------------------------------------------------------------------------
typedef int SplashError;
#endif
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