| 155 | } |
| 156 | |
| 157 | static inline void scale3x_8_def_border(scale3x_uint8* restrict dst, const scale3x_uint8* restrict src0, const scale3x_uint8* restrict src1, const scale3x_uint8* restrict src2, unsigned count) |
| 158 | { |
| 159 | assert(count >= 2); |
| 160 | |
| 161 | /* first pixel */ |
| 162 | if (src0[0] != src2[0] && src1[0] != src1[1]) { |
| 163 | dst[0] = src1[0]; |
| 164 | dst[1] = (src1[0] == src0[0] && src1[0] != src0[1]) || (src1[1] == src0[0] && src1[0] != src0[0]) ? src0[0] : src1[0]; |
| 165 | dst[2] = src1[1] == src0[0] ? src1[1] : src1[0]; |
| 166 | } else { |
| 167 | dst[0] = src1[0]; |
| 168 | dst[1] = src1[0]; |
| 169 | dst[2] = src1[0]; |
| 170 | } |
| 171 | ++src0; |
| 172 | ++src1; |
| 173 | ++src2; |
| 174 | dst += 3; |
| 175 | |
| 176 | /* central pixels */ |
| 177 | count -= 2; |
| 178 | while (count) { |
| 179 | if (src0[0] != src2[0] && src1[-1] != src1[1]) { |
| 180 | dst[0] = src1[-1] == src0[0] ? src1[-1] : src1[0]; |
| 181 | dst[1] = (src1[-1] == src0[0] && src1[0] != src0[1]) || (src1[1] == src0[0] && src1[0] != src0[-1]) ? src0[0] : src1[0]; |
| 182 | dst[2] = src1[1] == src0[0] ? src1[1] : src1[0]; |
| 183 | } else { |
| 184 | dst[0] = src1[0]; |
| 185 | dst[1] = src1[0]; |
| 186 | dst[2] = src1[0]; |
| 187 | } |
| 188 | |
| 189 | ++src0; |
| 190 | ++src1; |
| 191 | ++src2; |
| 192 | dst += 3; |
| 193 | --count; |
| 194 | } |
| 195 | |
| 196 | /* last pixel */ |
| 197 | if (src0[0] != src2[0] && src1[-1] != src1[0]) { |
| 198 | dst[0] = src1[-1] == src0[0] ? src1[-1] : src1[0]; |
| 199 | dst[1] = (src1[-1] == src0[0] && src1[0] != src0[0]) || (src1[0] == src0[0] && src1[0] != src0[-1]) ? src0[0] : src1[0]; |
| 200 | dst[2] = src1[0]; |
| 201 | } else { |
| 202 | dst[0] = src1[0]; |
| 203 | dst[1] = src1[0]; |
| 204 | dst[2] = src1[0]; |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | static inline void scale3x_8_def_center(scale3x_uint8* restrict dst, const scale3x_uint8* restrict src0, const scale3x_uint8* restrict src1, const scale3x_uint8* restrict src2, unsigned count) |
| 209 | { |