Lines Matching refs:dy
49 int dx = end.x - start.x, dy = end.y - start.y;
63 dy = -dy;
70 i = dy >> 31;
71 dy = (dy ^ i) - i;
74 if( dx > dy )
84 dy += dy;
87 int mask = (err -= dy) < 0 ? -1 : 0;
101 if( *dst_num <= dy )
103 *dst_num = dy + 1;
105 err = dy;
107 dy += dy;
108 for( i = dy; i >= 0; i -= 2, dst += 3 )
116 err += dy & mask;
128 int dx = end.x - start.x, dy = end.y - start.y;
142 dy = -dy;
149 i = dy >> 31;
150 dy = (dy ^ i) - i;
153 if( dx > dy )
159 dy += dy;
162 int mask = (err -= dy) < 0 ? -1 : 0;
173 if( (unsigned) (src_num - 1) < (unsigned) dy )
175 err = dy;
177 dy += dy;
178 for( i = dy; i >= 0; i -= 2, src += 3 )
185 err += dy & mask;