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Diffstat (limited to 'packages/noncvs/windows/extra/Gem/dev/Utils/PixPete.h')
| -rw-r--r-- | packages/noncvs/windows/extra/Gem/dev/Utils/PixPete.h | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/packages/noncvs/windows/extra/Gem/dev/Utils/PixPete.h b/packages/noncvs/windows/extra/Gem/dev/Utils/PixPete.h new file mode 100644 index 00000000..fb724c93 --- /dev/null +++ b/packages/noncvs/windows/extra/Gem/dev/Utils/PixPete.h @@ -0,0 +1,221 @@ +/*----------------------------------------------------------------- +LOG + GEM - Graphics Environment for Multimedia + + helper stuff for ports of Pete's Plugins + + http://www.petewarden.com + + Copyright (c) 2004-2011 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at + For information on usage and redistribution, and for a DISCLAIMER OF ALL + WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution. + +-----------------------------------------------------------------*/ +#ifndef _INCLUDE__GEM_UTILS_PIXPETE_H_ +#define _INCLUDE__GEM_UTILS_PIXPETE_H_ + +#include <stdlib.h> + + +// utility functions from PeteHelpers.h +typedef unsigned long U32; +typedef unsigned short U16; +typedef unsigned char U8; + + +/* is this only on my system ? + i thought Gem's YUV is UYVY and not YVYU + seems weird... (jmz) +*/ +#ifdef __APPLE__ + +# define SHIFT_ALPHA (24) +# define SHIFT_RED (16) +# define SHIFT_GREEN (8) +# define SHIFT_BLUE (0) + +# define SHIFT_U (24) +# define SHIFT_Y1 (16) +# define SHIFT_V (8) +# define SHIFT_Y2 (0) + +#else + +# define SHIFT_ALPHA (24) +# define SHIFT_RED (16) +# define SHIFT_GREEN (8) +# define SHIFT_BLUE (0) + +# define SHIFT_U (0) +# define SHIFT_Y1 (8) +# define SHIFT_V (16) +# define SHIFT_Y2 (24) +#endif + +const float Pete_Pi=3.141582f; +const float Pete_TwoPi=(2.0f*Pete_Pi); +const float Pete_HalfPi=(0.5f*Pete_Pi); + +static inline void Pete_ZeroMemory(void* pMemory,int nCount) { + char* pCurrent=(char*)pMemory; + char* pEnd=(pCurrent+nCount); + // while (pCurrent<pEnd) *pCurrent=0; + // pCurrent+=1; + // } + while(pCurrent<pEnd)*pCurrent++=0; +// memset(pMemory,0,nCount); +} + +typedef U32 PETE_PIXELDATA32; +#define SIZEOF_PETE_PIXELDATA32 (4) + +typedef U32 PETE_PIXELDATA24; +#define SIZEOF_PETE_PIXELDATA24 (3) + +typedef U16 PETE_PIXELDATA16; +#define SIZEOF_PETE_PIXELDATA16 (2) + +static inline void Pete_CopyAndConvert24BitTo32Bit(PETE_PIXELDATA24* pSource,PETE_PIXELDATA32* pOutput,int nPixelCount) { + + char* pSourceEnd=((char*)pSource)+(nPixelCount*SIZEOF_PETE_PIXELDATA24); + char* pCurrentSource=((char*)pSource); + char* pCurrentOutput=((char*)pOutput); + + while (pCurrentSource<pSourceEnd) { + *((PETE_PIXELDATA32*)pCurrentOutput)= + *((PETE_PIXELDATA24*)pCurrentSource); + + pCurrentSource+=SIZEOF_PETE_PIXELDATA24; + pCurrentOutput+=SIZEOF_PETE_PIXELDATA32; + } +} + +static inline void Pete_CopyAndConvert32BitTo24Bit(PETE_PIXELDATA32* pSource,PETE_PIXELDATA24* pOutput,int nPixelCount) { + + char* pSourceEnd=((char*)pSource)+(nPixelCount*SIZEOF_PETE_PIXELDATA32); + char* pCurrentSource=((char*)pSource); + char* pCurrentOutput=((char*)pOutput); + + while (pCurrentSource<pSourceEnd) { + *((PETE_PIXELDATA24*)pCurrentOutput)= + *((PETE_PIXELDATA32*)pCurrentSource); + + pCurrentSource+=SIZEOF_PETE_PIXELDATA32; + pCurrentOutput+=SIZEOF_PETE_PIXELDATA24; + } +} + +static inline void Pete_InPlaceConvert24BitTo32Bit(PETE_PIXELDATA24* pBuffer,int nPixelCount) { + char* pBufferStart=(char*)pBuffer; + + char* pBuffer32Current=(pBufferStart+((nPixelCount-1)*SIZEOF_PETE_PIXELDATA32)); + char* pBuffer24Current=(pBufferStart+((nPixelCount-1)*SIZEOF_PETE_PIXELDATA24)); + + while (pBuffer32Current>=pBufferStart) { + + *((PETE_PIXELDATA32*)pBuffer32Current)= + *((PETE_PIXELDATA24*)pBuffer24Current); + + pBuffer32Current-=SIZEOF_PETE_PIXELDATA32; + pBuffer24Current-=SIZEOF_PETE_PIXELDATA24; + } +} + +static inline void Pete_CopyAndConvert16Bit565To32Bit(PETE_PIXELDATA16* pSource,PETE_PIXELDATA32* pOutput,int nPixelCount) { + + char* pSourceEnd=((char*)pSource)+(nPixelCount*SIZEOF_PETE_PIXELDATA16); + char* pCurrentSource=((char*)pSource); + char* pCurrentOutput=((char*)pOutput); + + while (pCurrentSource<pSourceEnd) { + + PETE_PIXELDATA16 SourceColour= + *((PETE_PIXELDATA16*)pCurrentSource); + + const int nMaskedRed=(SourceColour>>11)&31; + const int nMaskedGreen=(SourceColour>>5)&63; + const int nMaskedBlue=(SourceColour>>0)&31; + + const int nNormalizedRed=(nMaskedRed<<3)|(nMaskedRed>>2); + const int nNormalizedGreen=(nMaskedGreen<<2)|(nMaskedGreen>>4); + const int nNormalizedBlue=(nMaskedBlue<<3)|(nMaskedBlue>>2); + + const PETE_PIXELDATA32 OutputColour= + (nNormalizedRed<<16)| + (nNormalizedGreen<<8)| + (nNormalizedBlue<<0); + + *((PETE_PIXELDATA32*)pCurrentOutput)=OutputColour; + + pCurrentSource+=SIZEOF_PETE_PIXELDATA16; + pCurrentOutput+=SIZEOF_PETE_PIXELDATA32; + + } + +} + +static inline void Pete_CopyAndConvert32BitTo16Bit565(PETE_PIXELDATA32* pSource,PETE_PIXELDATA16* pOutput,int nPixelCount) { + + char* pSourceEnd=((char*)pSource)+(nPixelCount*SIZEOF_PETE_PIXELDATA32); + char* pCurrentSource=((char*)pSource); + char* pCurrentOutput=((char*)pOutput); + + while (pCurrentSource<pSourceEnd) { + + PETE_PIXELDATA32 SourceColour= + *((PETE_PIXELDATA32*)pCurrentSource); + + const int nSourceRed=(SourceColour>>16)&0xff; + const int nSourceGreen=(SourceColour>>8)&0xff; + const int nSourceBlue=(SourceColour>>0)&0xff; + + const int nMaskedRed=(nSourceRed>>3); + const int nMaskedGreen=(nSourceGreen>>2); + const int nMaskedBlue=(nSourceBlue>>3); + + PETE_PIXELDATA16 OutputColour= + (nMaskedRed<<11)| + (nMaskedGreen<<5)| + (nMaskedBlue<<0); + + *((PETE_PIXELDATA16*)pCurrentOutput)=OutputColour; + + pCurrentSource+=SIZEOF_PETE_PIXELDATA32; + pCurrentOutput+=SIZEOF_PETE_PIXELDATA16; + } +} +typedef void* SPete_MemHandle; + +inline SPete_MemHandle Pete_NewHandle(int nBytesToAlloc) { + return malloc(nBytesToAlloc); +} + +inline void Pete_FreeHandle(SPete_MemHandle InHandle) { + free(InHandle); +} + +inline void* Pete_LockHandle(SPete_MemHandle InHandle) { + return InHandle; +} + +inline void Pete_UnLockHandle(SPete_MemHandle InHandle) { + // do nothing +} + +const int cnBiggestSignedInt=0x7fffffff; + +inline int GetLuminance(const U32 inColour) { + const int nRed=(inColour&(0xff<<SHIFT_RED))>>16; + const int nGreen=(inColour&(0xff<<SHIFT_GREEN))>>8; + const int nBlue=(inColour&(0xff<<SHIFT_BLUE))>>0; + + const int nLuminance = + ((77 * nRed)+ + (150* nGreen)+ // used to be 50 which is plain wron + (29 * nBlue)); + + return nLuminance; +} + +#endif /* _INCLUDE__GEM_UTILS_PIXPETE_H_ */ +// end of PeteHelpers.h stuff |