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