vpdf/system/functions.h

   1 #ifndef FUNCTIONS_H
   2 #define FUNCTIONS_H
   3
   4 /*
   5     functions.h
   6 */
   7
   8 #include "chunky.h"
   9 #include <string.h>
  10 #include <stdlib.h>
  11
  12 #define random(x) (rand() % (x))
  13 #define frandom(x) ((float)rand() * (float)(x) / (float)(RAND_MAX))
  14
  15 #ifdef __GNUC__
  16
  17         static __inline double mestinvsqrt(double x)
  18         {
  19                 asm ("frsqrte %0,%1" : "=f" (x) : "0" (x));
  20                 return x;
  21         }
  22
  23         static  __inline double mestinv(double x)
  24         {
  25                 asm ("fres %0,%1" : "=f" (x) : "0" (x));
  26                 return x;
  27         }
  28
  29         #define estinvsqrt(x) mestinvsqrt(x)
  30         #define estinv(x) mestinv(x)
  31
  32 #else
  33
  34 double estinv(double);
  35 double estinvsqrt(double);
  36
  37 #endif
  38
  39 #ifndef max
  40 #define max(a,b) ((a) > (b) ? (a) : (b))
  41 #endif
  42
  43 #ifndef min
  44 #define min(a,b) ((a) <= (b) ? (a) : (b))
  45 #endif
  46
  47 float frand(float max);
  48 double fsqrt(double x);
  49 char *strdup(const char*);
  50 char *strcat(char *, const char *);
  51 char *strncpy(char *, const char *, size_t);
  52 int     stricmp(const char *, const char *);
  53 char *strstr(const char *, const char *);
  54
  55 #define GETR5(c)        (((c)>>11)&0x1f)
  56 #define GETG6(c)        (((c)>>5)&0x3f)
  57 #define GETB5(c)        ((c) & 0x1f)
  58
  59 #define MASKR5(c)        ((c) & 0xf800)
  60 #define MASKG6(c)        ((c) & 0x7e0)
  61 #define MASKB5(c)        ((c) & 0x1f)
  62
  63 #define ColorF2I(r,g,b)  ( ( (int)( (r)*255.0f ) << 16 ) | ( (int)( (g)*255.0f ) << 8 ) | ( (int)( (b)*255.0f ) ) )
  64 #define ColorI2I(r,g,b) (ULONG)( (r)<<16 | (g)<<8 | (b) )
  65
  66 #define ftoi(x) ((int)(x))
  67
  68 static inline int align(int a, int b)
  69 {
  70         return (a + b - 1) & (~(b - 1));
  71 }
  72
  73 void InitFSQRT();
  74
  75 void chk_PutImageBrightnessPPC(struct chkimage *image,int x0,int y0,unsigned char *dest,int destwidth,int destheight,int bri);
  76 void chk_AddImagePPC(struct chkimage *image,int x0,int y0,unsigned char *dest,int destwidth,int destheight);
  77
  78 /* string functions */
  79
  80 char *strduplicate(char *str);
  81 #define strDuplicate(str) strduplicate(str)
  82
  83 void strFixPath(char *str);
  84 char *strReplaceExt(char *oldstring, char *oldext, char *newext);
  85 char *strSetExtension(char *str, char *ext);
  86 char *strPathOnly(char *str);
  87 int strIsDir(char *path);
  88 int     strMatch(char *name, char *pattern);
  89 char *strReplace(char *oldname, char *newname);
  90
  91 /* params functions */
  92
  93 void ParamsInit(int argc, char *argv[]);
  94 int     FindParam(char *param);
  95
  96 /* memory allocation functions */
  97
  98 #define MALLOC_STRUCT(s)        malloc( sizeof(s) )
  99 #define CALLOC_STRUCT(s)        calloc(1,sizeof(s))
 100
 101 /* conversion functions */
 102
 103 void convertARGB1555_to_ARGB8888( unsigned char *src, unsigned char *dst,int xsize, int ysize );
 104 void convertARGB1555_to_RGB888( unsigned char *src, unsigned char *dst,int xsize, int ysize );
 105 void convertARGB1555_to_RGB565( unsigned char *src, unsigned char *dst,int xsize, int ysize );
 106 void convertARGB4444_to_ARGB8888( unsigned char *src, unsigned char *dst,int xsize, int ysize );
 107 void convertARGB4444_to_RGB888( unsigned char *src, unsigned char *dst,int xsize, int ysize );
 108 void convertARGB4444_to_RGB565( unsigned char *src, unsigned char *dst,int xsize, int ysize );
 109 void convertRGB565_to_ARGB8888( unsigned char *src, unsigned char *dst,int xsize, int ysize );
 110 void convertRGB565_to_RGB888( unsigned char *src, unsigned char *dst,int xsize, int ysize );
 111 void convertRGB565_to_RGB565( unsigned char *src, unsigned char *dst,int xsize, int ysize );
 112 void convertRGB888_to_RGB565(     unsigned char *src, unsigned char *dst,int xsize, int ysize );
 113 void convertRGB888_to_RGB888(     unsigned char *src, unsigned char *dst,int xsize, int ysize );
 114 void convertARGB8888_to_ARGB8888(         unsigned char *src, unsigned char *dst,int xsize, int ysize );
 115 void convertL8_to_L8(     unsigned char *src, unsigned char *dst,int xsize, int ysize );
 116 void convertRGB888_to_ARGB8888(      unsigned char *src, unsigned char *dst,int xsize, int ysize );
 117 void convertRGB888_to_L8(          unsigned char *src, unsigned char *dst,int xsize, int ysize );
 118 void convertRGB888_to_A8(          unsigned char *src, unsigned char *dst,int xsize, int ysize );
 119 void convertRGBA8888_to_RGBA4444(          unsigned char *src, unsigned char *dst,int xsize, int ysize );
 120 void convertRGBA8888_to_ARGB4444(          unsigned char *src, unsigned char *dst,int xsize, int ysize );
 121 void convertARGB8888_to_ARGB4444(          unsigned char *src, unsigned char *dst,int xsize, int ysize );
 122 void convertRGBA8888_to_RGB888(      unsigned char *src, unsigned char *dst,int xsize, int ysize );
 123 void convertARGB8888_to_RGB888(      unsigned char *src, unsigned char *dst,int xsize, int ysize );
 124 void convertRGBA8888_to_RGB565(      unsigned char *src, unsigned char *dst,int xsize, int ysize );
 125 void convertRGBA8888_to_ARGB8888(          unsigned char *src, unsigned char *dst,int xsize, int ysize );
 126 void convertARGB0888_to_ARGB8888(          unsigned char *src, unsigned char *dst,int xsize, int ysize );
 127 void convertRGBA8888_to_A8(      unsigned char *src, unsigned char *dst,int xsize, int ysize );
 128 void convertRGBA8888_to_L8(      unsigned char *src, unsigned char *dst,int xsize, int ysize );
 129 void convertARGB8888_to_L8(      unsigned char *src, unsigned char *dst,int xsize, int ysize );
 130 void convertA8_to_RGBA8888(      unsigned char *src, unsigned char *dst,int xsize, int ysize );
 131 void convertA8_to_RGB888(          unsigned char *src, unsigned char *dst,int xsize, int ysize );
 132 void convertL8_to_RGB888(          unsigned char *src, unsigned char *dst,int xsize, int ysize );
 133 void convertL8_to_ARGB8888(      unsigned char *src, unsigned char *dst,int xsize, int ysize );
 134 void convertA8_to_ARGB8888(      unsigned char *src, unsigned char *dst,int xsize, int ysize );
 135 void convertA8_to_ARGB4444(      unsigned char *src, unsigned char *dst,int xsize, int ysize );
 136 void convertL8_to_RGB565(          unsigned char *src, unsigned char *dst,int xsize, int ysize );
 137 void convertRGB888_to_ARGB4444(      unsigned char *src, unsigned char *dst, int xsize, int ysize );
 138 void convertARGB8888_to_RGBA8888(          unsigned char *src, unsigned char *dst,int xsize, int ysize );
 139 void convertRGB888_to_RGBA8888(      unsigned char *src, unsigned char *dst,int xsize, int ysize );
 140
 141 void expandRGB888_to_RGBA8888( unsigned char *src, unsigned char *dst,int xsize, int ysize );
 142 void expandRGB888_to_ARGB8888( unsigned char *src, unsigned char *dst,int xsize, int ysize );
 143 void expandL8_to_ARGB8888( unsigned char *src, unsigned char *dst,int xsize, int ysize );
 144
 145 void convertRGB888_to_YUV422(unsigned char *src, unsigned char *dst,int xsize, int ysize);
 146 void convertRGB888_to_YUV422_custom(unsigned char *src, unsigned char *dst,int xsize, int ysize);
 147 void convertYUV422_to_RGB888(unsigned char *src, unsigned char *dst,int xsize, int ysize);
 148 void convertYUV422_to_RGB888_custom(unsigned char *src, unsigned char *dst,int xsize, int ysize);
 149 void convertYUV422_to_ARGB8888_custom(unsigned char *src, unsigned char *dst, int xsize, int ysize);
 150
 151 void ConversionInit(void);
 152
 153 float fClamp(float a);
 154 #define clamp(_a, _amin, _amax)       \
 155 ({                                     \
 156         typeof(_a) a = _a;                \
 157         typeof(_a) amin = _amin;          \
 158         typeof(_a) amax = _amax;          \
 159         a < amin ? amin : a > amax ? amax : a;  \
 160 })
 161
 162 void scaleCoordsWithAspect(int width, int height, int destWidth, int destHeight, int *newWidth, int *newHeight);
 163
 164
 165 #endif