Lines Matching refs:shift
61 &(png_ptr->shift));
132 int shift, v;
138 shift = 6;
145 v |= (value << shift);
146 if (shift == 0)
148 shift = 6;
154 shift -= 2;
157 if (shift != 6)
164 int shift, v;
170 shift = 4;
177 v |= (value << shift);
179 if (shift == 0)
181 shift = 4;
187 shift -= 4;
191 if (shift != 4)
205 /* Shift pixel values to take advantage of whole range. Pass the
