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src/java.desktop/share/native/libmlib_image/mlib_ImageAffine_NN_Bit.c

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  67   for (j = yStart; j <= yFinish; j++) {
  68 
  69     CLIP_BIT();
  70     xRight++;
  71 
  72     i = xLeft;
  73 
  74     if (i & 7) {
  75       mlib_u8 *dp = dstData + (i >> 3);
  76       mlib_s32 res = dp[0];
  77       mlib_s32 i_end = i + (8 - (i & 7));
  78 
  79       if (i_end > xRight)
  80         i_end = xRight;
  81 
  82       for (; i < i_end; i++) {
  83         bit = 7 - (i & 7);
  84         ySrc = MLIB_POINTER_SHIFT(Y);
  85         srcPixelPtr = MLIB_POINTER_GET(lineAddr, ySrc);
  86 
  87         res = (res & ~(1 << bit)) | (((srcPixelPtr[X >> (MLIB_SHIFT + 3)] >> (7 - (X >> MLIB_SHIFT) & 7)) & 1) <<
  88            bit);
  89 
  90         X += dX;
  91         Y += dY;
  92       }
  93 
  94       dp[0] = res;
  95     }
  96 
  97 #ifdef __SUNPRO_C
  98 #pragma pipeloop(0)
  99 #endif /* __SUNPRO_C */
 100     for (; i <= (xRight - 8); i += 8) {
 101       srcPixelPtr0 = MLIB_POINTER_GET(lineAddr, MLIB_POINTER_SHIFT(Y));
 102       Y += dY;
 103       res = ((srcPixelPtr0[X >> (MLIB_SHIFT + 3)] << (((X >> MLIB_SHIFT)) & 7)) & 0x0080);
 104       X += dX;
 105 
 106       srcPixelPtr1 = MLIB_POINTER_GET(lineAddr, MLIB_POINTER_SHIFT(Y));
 107       Y += dY;
 108       res |= ((srcPixelPtr1[X >> (MLIB_SHIFT + 3)] << (((X >> MLIB_SHIFT) - 1) & 7)) & 0x4040);


 133       res |= ((srcPixelPtr6[X >> (MLIB_SHIFT + 3)] << (((X >> MLIB_SHIFT) - 6) & 7)) & 0x0202);
 134       X += dX;
 135 
 136       srcPixelPtr7 = MLIB_POINTER_GET(lineAddr, MLIB_POINTER_SHIFT(Y));
 137       Y += dY;
 138       res |= ((srcPixelPtr7[X >> (MLIB_SHIFT + 3)] >> (7 - ((X >> MLIB_SHIFT) & 7))) & 0x0001);
 139       X += dX;
 140 
 141       dstData[i >> 3] = res | (res >> 8);
 142     }
 143 
 144     if (i < xRight) {
 145       mlib_u8 *dp = dstData + (i >> 3);
 146       mlib_s32 res = dp[0];
 147 
 148       for (; i < xRight; i++) {
 149         bit = 7 - (i & 7);
 150         ySrc = MLIB_POINTER_SHIFT(Y);
 151         srcPixelPtr = MLIB_POINTER_GET(lineAddr, ySrc);
 152 
 153         res = (res & ~(1 << bit)) | (((srcPixelPtr[X >> (MLIB_SHIFT + 3)] >> (7 - (X >> MLIB_SHIFT) & 7)) & 1) << bit);
 154 
 155         X += dX;
 156         Y += dY;
 157       }
 158 
 159       dp[0] = res;
 160     }
 161   }
 162 }
 163 
 164 /***************************************************************/


  67   for (j = yStart; j <= yFinish; j++) {
  68 
  69     CLIP_BIT();
  70     xRight++;
  71 
  72     i = xLeft;
  73 
  74     if (i & 7) {
  75       mlib_u8 *dp = dstData + (i >> 3);
  76       mlib_s32 res = dp[0];
  77       mlib_s32 i_end = i + (8 - (i & 7));
  78 
  79       if (i_end > xRight)
  80         i_end = xRight;
  81 
  82       for (; i < i_end; i++) {
  83         bit = 7 - (i & 7);
  84         ySrc = MLIB_POINTER_SHIFT(Y);
  85         srcPixelPtr = MLIB_POINTER_GET(lineAddr, ySrc);
  86 
  87         res = (res & ~(1 << bit)) | (((srcPixelPtr[X >> (MLIB_SHIFT + 3)] >> (7 - ((X >> MLIB_SHIFT) & 7))) & 1) << bit);

  88 
  89         X += dX;
  90         Y += dY;
  91       }
  92 
  93       dp[0] = res;
  94     }
  95 
  96 #ifdef __SUNPRO_C
  97 #pragma pipeloop(0)
  98 #endif /* __SUNPRO_C */
  99     for (; i <= (xRight - 8); i += 8) {
 100       srcPixelPtr0 = MLIB_POINTER_GET(lineAddr, MLIB_POINTER_SHIFT(Y));
 101       Y += dY;
 102       res = ((srcPixelPtr0[X >> (MLIB_SHIFT + 3)] << (((X >> MLIB_SHIFT)) & 7)) & 0x0080);
 103       X += dX;
 104 
 105       srcPixelPtr1 = MLIB_POINTER_GET(lineAddr, MLIB_POINTER_SHIFT(Y));
 106       Y += dY;
 107       res |= ((srcPixelPtr1[X >> (MLIB_SHIFT + 3)] << (((X >> MLIB_SHIFT) - 1) & 7)) & 0x4040);


 132       res |= ((srcPixelPtr6[X >> (MLIB_SHIFT + 3)] << (((X >> MLIB_SHIFT) - 6) & 7)) & 0x0202);
 133       X += dX;
 134 
 135       srcPixelPtr7 = MLIB_POINTER_GET(lineAddr, MLIB_POINTER_SHIFT(Y));
 136       Y += dY;
 137       res |= ((srcPixelPtr7[X >> (MLIB_SHIFT + 3)] >> (7 - ((X >> MLIB_SHIFT) & 7))) & 0x0001);
 138       X += dX;
 139 
 140       dstData[i >> 3] = res | (res >> 8);
 141     }
 142 
 143     if (i < xRight) {
 144       mlib_u8 *dp = dstData + (i >> 3);
 145       mlib_s32 res = dp[0];
 146 
 147       for (; i < xRight; i++) {
 148         bit = 7 - (i & 7);
 149         ySrc = MLIB_POINTER_SHIFT(Y);
 150         srcPixelPtr = MLIB_POINTER_GET(lineAddr, ySrc);
 151 
 152         res = (res & ~(1 << bit)) | (((srcPixelPtr[X >> (MLIB_SHIFT + 3)] >> (7 - ((X >> MLIB_SHIFT) & 7))) & 1) << bit);
 153 
 154         X += dX;
 155         Y += dY;
 156       }
 157 
 158       dp[0] = res;
 159     }
 160   }
 161 }
 162 
 163 /***************************************************************/
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