generic.c

DirectFB-1.0.1可用于linux的嵌入式GUI

     }

}

static void Cop_toK_Aop_24( GenefxState *gfxs )
{
     int   w   = gfxs->length;
     u8   *D   = gfxs->Aop[0];
     u8    Dkr = (gfxs->Dkey & 0xff0000) >> 16;
     u8    Dkg = (gfxs->Dkey & 0x00ff00) >>  8;
     u8    Dkb = (gfxs->Dkey & 0x0000ff);

     while (w--) {
          if (D[0] == Dkb && D[1] == Dkg && D[2] == Dkr) {
               D[0] = gfxs->color.b;
               D[1] = gfxs->color.g;
               D[2] = gfxs->color.r;
          }

          D += 3;
     }
}

static void Cop_toK_Aop_yuv422( GenefxState *gfxs )
{
     int    l;
     int    w     = gfxs->length;
     u16   *D     = gfxs->Aop[0];
     u32    Cop   = gfxs->Cop;
     u32    Dkey  = gfxs->Dkey;

     if ((long)D & 2) {
#ifdef WORDS_BIGENDIAN
          if (*D == (Dkey & 0xffff))
               *D = Cop & 0xffff;
#else
          if (*D == (Dkey >> 16))
               *D = Cop >> 16;
#endif
          D++;
          w--;
     }

     for (l = w>>1; l--;) {
          if (*((u32*)D) == Dkey)
               *((u32*)D) = Cop;
          D += 2;
     }

     if (w & 1) {
#ifdef WORDS_BIGENDIAN
          if (*D == (Dkey >> 16))
               *D = Cop >> 16;
#else
          if (*D == (Dkey & 0xffff))
               *D = Cop & 0xffff;
#endif
     }
}

static void Cop_toK_Aop_alut44( GenefxState *gfxs )
{
     int    w    = gfxs->length;
     u8    *D    = gfxs->Aop[0];
     u32    Cop  = gfxs->Cop;
     u32    Dkey = gfxs->Dkey;

     while (w--) {
          if (Dkey == (*D & 0x0F))
               *D = Cop;

          D++;
     }
}

static GenefxFunc Cop_toK_Aop_PFI[DFB_NUM_PIXELFORMATS] = {
     Cop_toK_Aop_15,          /* DSPF_ARGB1555 */
     Cop_toK_Aop_16,          /* DSPF_RGB16 */
     Cop_toK_Aop_24,          /* DSPF_RGB24 */
     Cop_toK_Aop_32,          /* DSPF_RGB32 */
     Cop_toK_Aop_32,          /* DSPF_ARGB */
     Cop_toK_Aop_8,           /* DSPF_A8 */
     Cop_toK_Aop_yuv422,      /* DSPF_YUY2 */
     Cop_toK_Aop_8,           /* DSPF_RGB332 */
     Cop_toK_Aop_yuv422,      /* DSPF_UYVY */
     NULL,                    /* DSPF_I420 */
     NULL,                    /* DSPF_YV12 */
     Cop_toK_Aop_8,           /* DSPF_LUT8 */
     Cop_toK_Aop_alut44,      /* DSPF_ALUT44 */
     Cop_toK_Aop_32,          /* DSPF_AiRGB */
     NULL,                    /* DSPF_A1 */
     NULL,                    /* DSPF_NV12 */
     NULL,                    /* DSPF_NV16 */
     Cop_toK_Aop_14,          /* DSPF_ARGB2554 */
     Cop_toK_Aop_12,          /* DSPF_ARGB4444 */
     NULL,                    /* DSPF_NV21 */
     Cop_toK_Aop_32,          /* DSPF_AYUV */
     NULL,                    /* DSPF_A4 */
     Cop_toK_Aop_18,          /* DSPF_ARGB1666 */
     Cop_toK_Aop_18,          /* DSPF_ARGB6666 */
     Cop_toK_Aop_18,          /* DSPF_RGB18 */
     NULL,                    /* DSPF_LUT2 */
     Cop_toK_Aop_12,          /* DSPF_RGB444 */
     Cop_toK_Aop_15,          /* DSPF_RGB555 */
};

/********************************* Bop_PFI_to_Aop_PFI *************************/

static void Bop_4_to_Aop( GenefxState *gfxs )
{
     direct_memmove( gfxs->Aop[0], gfxs->Bop[0], gfxs->length>>1 );
}

static void Bop_8_to_Aop( GenefxState *gfxs )
{
     direct_memmove( gfxs->Aop[0], gfxs->Bop[0], gfxs->length );
}

static void Bop_16_to_Aop( GenefxState *gfxs )
{
     direct_memmove( gfxs->Aop[0], gfxs->Bop[0], gfxs->length*2 );
}

static void Bop_24_to_Aop( GenefxState *gfxs )
{
     direct_memmove( gfxs->Aop[0], gfxs->Bop[0], gfxs->length*3 );
}

static void Bop_32_to_Aop( GenefxState *gfxs )
{
     direct_memmove( gfxs->Aop[0], gfxs->Bop[0], gfxs->length*4 );
}

static void Bop_i420_to_Aop( GenefxState *gfxs )
{
     direct_memmove( gfxs->Aop[0], gfxs->Bop[0], gfxs->length ); 
     if (gfxs->AopY & 1) {
          direct_memmove( gfxs->Aop[1], gfxs->Bop[1], gfxs->length>>1 );
          direct_memmove( gfxs->Aop[2], gfxs->Bop[2], gfxs->length>>1 );
     }
}             

static void Bop_NV_to_Aop( GenefxState *gfxs )
{
     direct_memmove( gfxs->Aop[0], gfxs->Bop[0], gfxs->length );
     if (gfxs->dst_format == DSPF_NV16 || gfxs->AopY & 1)
          direct_memmove( gfxs->Aop[1], gfxs->Bop[1], gfxs->length&~1 );
}

static GenefxFunc Bop_PFI_to_Aop_PFI[DFB_NUM_PIXELFORMATS] = {
     Bop_16_to_Aop,      /* DSPF_ARGB1555 */
     Bop_16_to_Aop,      /* DSPF_RGB16 */
     Bop_24_to_Aop,      /* DSPF_RGB24 */
     Bop_32_to_Aop,      /* DSPF_RGB32 */
     Bop_32_to_Aop,      /* DSPF_ARGB */
     Bop_8_to_Aop,       /* DSPF_A8 */
     Bop_16_to_Aop,      /* DSPF_YUY2 */
     Bop_8_to_Aop,       /* DSPF_RGB332 */
     Bop_16_to_Aop,      /* DSPF_UYVY */
     Bop_i420_to_Aop,    /* DSPF_I420 */
     Bop_i420_to_Aop,    /* DSPF_YV12 */
     Bop_8_to_Aop,       /* DSPF_LUT8 */
     Bop_8_to_Aop,       /* DSPF_ALUT44 */
     Bop_32_to_Aop,      /* DSPF_AiRGB */
     NULL,               /* DSPF_A1 */
     Bop_NV_to_Aop,      /* DSPF_NV12 */
     Bop_NV_to_Aop,      /* DSPF_NV16 */
     Bop_16_to_Aop,      /* DSPF_ARGB2554 */
     Bop_16_to_Aop,      /* DSPF_ARGB4444 */
     Bop_NV_to_Aop,      /* DSPF_NV21 */
     Bop_32_to_Aop,      /* DSPF_AYUV */
     Bop_4_to_Aop,       /* DSPF_A4 */
     Bop_24_to_Aop,      /* DSPF_ARGB1666 */
     Bop_24_to_Aop,      /* DSPF_ARGB6666 */
     Bop_24_to_Aop,      /* DSPF_RGB18 */
     NULL,               /* DSPF_LUT2 */
     Bop_16_to_Aop,      /* DSPF_RGB444 */
     Bop_16_to_Aop,      /* DSPF_RGB555 */
};

/********************************* Bop_PFI_Kto_Aop_PFI ************************/

static void Bop_rgb18_Kto_Aop( GenefxState *gfxs )
{

     int    w     = gfxs->length;
     u8    *D     = gfxs->Aop[0];
     u8    *S     = gfxs->Bop[0];
     u32    Skey  = gfxs->Skey;
     int    Ostep = gfxs->Ostep;

     if (Ostep < 0) {
          D += (gfxs->length - 1) * 3;
          S += (gfxs->length - 1) * 3;
     }

     while (w--) {
          u8 s0 = S[0];
          u8 s1 = S[1];
          u8 s2 = S[2];

          if (Skey != ((u32)(s2<<16 | s1<<8 | s0) & 0x3FFFF)) {
               D[0] = s0;
               D[1] = s1;
               D[2] = s2;
          }

          S += Ostep * 3;
          D += Ostep * 3;
     }
}

static void Bop_rgb24_Kto_Aop( GenefxState *gfxs )
{
     int    w     = gfxs->length;
     u8    *D     = gfxs->Aop[0];
     u8    *S     = gfxs->Bop[0];
     u32    Skey  = gfxs->Skey;
     int    Ostep = gfxs->Ostep;

     if (Ostep < 0) {
          D += (gfxs->length - 1) * 3;
          S += (gfxs->length - 1) * 3;
     }

     while (w--) {
          u8 b = *S;
          u8 g = *(S+1);
          u8 r = *(S+2);

          if (Skey != (u32)(r<<16 | g<<8 | b)) {
               *D     = b;
               *(D+1) = g;
               *(D+2) = r;
          }

          S += Ostep * 3;
          D += Ostep * 3;
     }
}

static void Bop_a8_Kto_Aop( GenefxState *gfxs )
{
     /* no color to key */
     direct_memmove( gfxs->Aop[0], gfxs->Bop[0], gfxs->length );
}

static void Bop_yuv422_Kto_Aop( GenefxState *gfxs )
{
     int    l;
     int    w     = gfxs->length;
     u16   *D     = gfxs->Aop[0];
     u16   *S     = gfxs->Bop[0];
     u32    Skey  = gfxs->Skey;
     int    Ostep = gfxs->Ostep;

     if (Ostep < 0) {
          D += gfxs->length - 1;
          S += gfxs->length - 1;
     }

     if ((long)D & 2) {
          u16 s = *S;
#ifdef WORDS_BIGENDIAN
          if (s != (Skey >> 16))
               *D = s;
#else
          if (s != (Skey & 0xffff))
               *D = s;
#endif
          S += Ostep;
          D += Ostep;
          w--;
     }

     if (Ostep < 0) {
         S--;
         D--;
     }

     for (l = w>>1; l--;) {
          u32 s = *((u32*)S);

          if (s != Skey)
               *((u32*)D) = s;

          S += Ostep << 1;
          D += Ostep << 1;
     }

     if (w & 1) {
          u16 s = *S;
#ifdef WORDS_BIGENDIAN
          if (s != (Skey & 0xffff))
               *D = s;
#else
          if (s != (Skey >> 16))
               *D = s;
#endif
     }
}


/* change the last value to adjust the size of the device (1-4) */
#define SET_PIXEL_DUFFS_DEVICE( D, S, w ) \
     SET_PIXEL_DUFFS_DEVICE_N( D, S, w, 4 )

#define SET_PIXEL( D, S )               \
     do {                               \
          register u32 s = S;           \
                                        \
          if (s != Skey)                \
               D = s;                   \
     } while (0)

static void Bop_8_Kto_Aop( GenefxState *gfxs )
{
     int    i;
     int    w     = gfxs->length;
     u8    *D     = gfxs->Aop[0];
     u8    *S     = gfxs->Bop[0];
     u32    Skey  = gfxs->Skey;

     if (gfxs->Ostep > 0) {
          SET_PIXEL_DUFFS_DEVICE( D, S, w );
     }
     else {
          for (i=w-1; i>=0; i--)
               if (S[i] != Skey)
                    D[i] = S[i];
     }
}

#undef SET_PIXEL_DUFFS_DEVICE
#undef SET_PIXEL

static void Bop_alut44_Kto_Aop( GenefxState *gfxs )
{
     int    w     = gfxs->length;
     u8    *D     = gfxs->Aop[0];
     u8    *S     = gfxs->Bop[0];
     u32    Skey  = gfxs->Skey;
     int    Ostep = gfxs->Ostep;

     if (Ostep < 0) {
          D += gfxs->length - 1;
          S += gfxs->length - 1;
     }

     while (w--) {
          u8 spixel = *S;

          if ((spixel & 0x0F) != Skey)
               *D = spixel;

          S += Ostep;
          D += Ostep;
     }
}

static GenefxFunc Bop_PFI_Kto_Aop_PFI[DFB_NUM_PIXELFORMATS] = {
     Bop_15_Kto_Aop,          /* DSPF_ARGB1555 */
     Bop_16_Kto_Aop,          /* DSPF_RGB16 */
     Bop_rgb24_Kto_Aop,       /* DSPF_RGB24 */
     Bop_32_Kto_Aop,          /* DSPF_RGB32 */
     Bop_32_Kto_Aop,          /* DSPF_ARGB */
     Bop_a8_Kto_Aop,          /* DSPF_A8 */
     Bop_yuv422_Kto_Aop,      /* DSPF_YUY2 */
     Bop_8_Kto_Aop,           /* DSPF_RGB332 */
     Bop_yuv422_Kto_Aop,      /* DSPF_UYVY */
     NULL,                    /* DSPF_I420 */
     NULL,                    /* DSPF_YV12 */
     Bop_8_Kto_Aop,           /* DSPF_LUT8 */
     Bop_alut44_Kto_Aop,      /* DSPF_ALUT44 */
     Bop_32_Kto_Aop,          /* DSPF_AiRGB */
     NULL,                    /* DSPF_A1 */
     NULL,                    /* DSPF_NV12 */
     NULL,                    /* DSPF_NV16 */
     Bop_14_Kto_Aop,          /* DSPF_ARGB2554 */
     Bop_12_Kto_Aop,          /* DSPF_ARGB4444 */
     NULL,                    /* DSPF_NV21 */
     Bop_32_Kto_Aop,          /* DSPF_AYUV */
     NULL,                    /* DSPF_A4 */
     Bop_rgb18_Kto_Aop,       /* DSPF_ARGB1666 */
     Bop_rgb18_Kto_Aop,       /* DSPF_ARGB6666 */
     Bop_rgb18_Kto_Aop,       /* DSPF_RGB18 */
     NULL,                    /* DSPF_LUT2 */
     Bop_12_Kto_Aop,          /* DSPF_RGB444 */
     Bop_15_Kto_Aop,          /* DSPF_RGB555 */
};

/********************************* Bop_PFI_toK_Aop_PFI ************************/

static void Bop_rgb18_toK_Aop( GenefxState *gfxs )
{
     int    w     = gfxs->length;
     u8    *D     = gfxs->Aop[0];
     u8    *S     = gfxs->Bop[0];
     u32    Dkey  = gfxs->Dkey;

     while (w--) {
          if (Dkey == ((u32)(D[2]<<16 | D[1]<<8 | D[0]) & 0x3FFFF)) {
               D[0] = S[0];
               D[1] = S[1];
               D[2] = S[2];
          }
          S +=  3;
          D +=  3;
     }
}

static void Bop_rgb24_toK_Aop( GenefxState *gfxs )
{
      int   w    = gfxs->length;
      u8   *S    = gfxs->Bop[0];
      u8   *D    = gfxs->Aop[0];
      u8    Dkr  = (gfxs->Dkey & 0xff0000) >> 16;
      u8    Dkg  = (gfxs->Dkey & 0x00ff00) >>  8;
      u8    Dkb  = (gfxs->Dkey & 0x0000ff);

      while (w--) {
           if (D[0] == Dkb && D[1] == Dkg && D[2] == Dkr) {
               D[0] = S[0];
               D[1] = S[1];
               D[2] = S[2];
          }
          S += 3;
          D += 3;
     }
}

static void Bop_yuv422_toK_Aop( GenefxState *gfxs )
{
     int    l;
     int    w     = gfxs->length;
     u16   *S     = gfxs->Bop[0];
     u16   *D     = gfxs->Aop[0];
     u32    Dkey  = gfxs->Dkey;
     int    Ostep = gfxs->Ostep;

     if (Ostep < 0) {
          D += gfxs->length - 1;
          S += gfxs->length - 1;
     }

     if ((long)D & 2) {
#ifdef WORDS_BIGENDIAN
          if (*D == (Dkey & 0xffff))
               *D = *S;
#else
          if (*D == (Dkey >> 16))
               *D = *S;
#endif
          D += Ostep;
          S += Ostep;
          w--;
     }

     if (Ostep < 0) {
          S--;
          D--;
     }

     for (l = w>>1; l--;) {
          if (*D == Dkey)
               *D = *S;
          D += Ostep << 1;
          S += Ostep << 1;
     }

     if (w & 1) {
#ifdef WORDS_BIGENDIAN
          if (*D == (Dkey >> 16))
               *D = *S;
#else
          if (*D == (Dkey & 0xffff))
               *D = *S;
#endif
     }
}

static void Bop_rgb332_toK_Aop( GenefxState *gfxs )
{
      int   w    = gfxs->length;
      u8   *S    = gfxs->Bop[0];