J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | |
| 27 | /* |
| 28 | * FUNCTION |
| 29 | * Image affine transformation with Bicubic filtering |
| 30 | * SYNOPSIS |
| 31 | * mlib_status mlib_ImageAffine_[s32|f32|d64]_?ch_bc |
| 32 | * (mlib_s32 *leftEdges, |
| 33 | * mlib_s32 *rightEdges, |
| 34 | * mlib_s32 *xStarts, |
| 35 | * mlib_s32 *yStarts, |
| 36 | * mlib_s32 *sides, |
| 37 | * mlib_u8 *dstData, |
| 38 | * mlib_u8 **lineAddr, |
| 39 | * mlib_s32 dstYStride, |
| 40 | * mlib_s32 is_affine, |
| 41 | * mlib_s32 srcYStride, |
| 42 | * mlib_filter filter) |
| 43 | * |
| 44 | * ARGUMENTS |
| 45 | * leftEdges array[dstHeight] of xLeft coordinates |
| 46 | * RightEdges array[dstHeight] of xRight coordinates |
| 47 | * xStarts array[dstHeight] of xStart * 65536 coordinates |
| 48 | * yStarts array[dstHeight] of yStart * 65536 coordinates |
| 49 | * sides output array[4]. sides[0] is yStart, sides[1] is yFinish, |
| 50 | * sides[2] is dx * 65536, sides[3] is dy * 65536 |
| 51 | * dstData pointer to the first pixel on (yStart - 1) line |
| 52 | * lineAddr array[srcHeight] of pointers to the first pixel on |
| 53 | * the corresponding lines |
| 54 | * dstYStride stride of destination image |
| 55 | * is_affine indicator (Affine - GridWarp) |
| 56 | * srcYStride stride of source image |
| 57 | * filter type of resampling filter |
| 58 | * |
| 59 | * DESCRIPTION |
| 60 | * The functions step along the lines from xLeft to xRight and apply |
| 61 | * the Bicubic and Bicubic2 filtering. |
| 62 | * |
| 63 | */ |
| 64 | |
| 65 | #include "mlib_ImageAffine.h" |
| 66 | |
| 67 | #define IMG_TYPE 3 |
| 68 | |
| 69 | /***************************************************************/ |
| 70 | #if IMG_TYPE == 3 |
| 71 | |
| 72 | #define DTYPE mlib_s32 |
| 73 | #define FTYPE mlib_d64 |
| 74 | |
| 75 | #define FUN_NAME(CHAN) mlib_ImageAffine_s32_##CHAN##_bc |
| 76 | |
| 77 | #define STORE(res, x) SAT32(res) |
| 78 | |
| 79 | #elif IMG_TYPE == 4 |
| 80 | |
| 81 | #define DTYPE mlib_f32 |
| 82 | #define FTYPE DTYPE |
| 83 | |
| 84 | #define FUN_NAME(CHAN) mlib_ImageAffine_f32_##CHAN##_bc |
| 85 | |
| 86 | #define STORE(res, x) res = (x) |
| 87 | |
| 88 | #elif IMG_TYPE == 5 |
| 89 | |
| 90 | #define DTYPE mlib_d64 |
| 91 | #define FTYPE DTYPE |
| 92 | |
| 93 | #define FUN_NAME(CHAN) mlib_ImageAffine_d64_##CHAN##_bc |
| 94 | |
| 95 | #define STORE(res, x) res = (x) |
| 96 | |
| 97 | #endif |
| 98 | |
| 99 | /***************************************************************/ |
| 100 | #define CREATE_COEF_BICUBIC( X, Y, OPERATOR ) \ |
| 101 | dx = (X & MLIB_MASK) * scale; \ |
| 102 | dy = (Y & MLIB_MASK) * scale; \ |
| 103 | dx_2 = ((FTYPE)0.5) * dx; \ |
| 104 | dy_2 = ((FTYPE)0.5) * dy; \ |
| 105 | dx2 = dx * dx; dy2 = dy * dy; \ |
| 106 | dx3_2 = dx_2 * dx2; dy3_2 = dy_2 * dy2; \ |
| 107 | dx3_3 = ((FTYPE)3.0) * dx3_2; \ |
| 108 | dy3_3 = ((FTYPE)3.0) * dy3_2; \ |
| 109 | \ |
| 110 | xf0 = dx2 - dx3_2 - dx_2; \ |
| 111 | xf1 = dx3_3 - ((FTYPE)2.5) * dx2 + ((FTYPE)1.0); \ |
| 112 | xf2 = ((FTYPE)2.0) * dx2 - dx3_3 + dx_2; \ |
| 113 | xf3 = dx3_2 - ((FTYPE)0.5) * dx2; \ |
| 114 | \ |
| 115 | OPERATOR; \ |
| 116 | \ |
| 117 | yf0 = dy2 - dy3_2 - dy_2; \ |
| 118 | yf1 = dy3_3 - ((FTYPE)2.5) * dy2 + ((FTYPE)1.0); \ |
| 119 | yf2 = ((FTYPE)2.0) * dy2 - dy3_3 + dy_2; \ |
| 120 | yf3 = dy3_2 - ((FTYPE)0.5) * dy2 |
| 121 | |
| 122 | /***************************************************************/ |
| 123 | #define CREATE_COEF_BICUBIC_2( X, Y, OPERATOR ) \ |
| 124 | dx = (X & MLIB_MASK) * scale; \ |
| 125 | dy = (Y & MLIB_MASK) * scale; \ |
| 126 | dx2 = dx * dx; dy2 = dy * dy; \ |
| 127 | dx3_2 = dx * dx2; dy3_2 = dy * dy2; \ |
| 128 | dx3_3 = ((FTYPE)2.0) * dx2; \ |
| 129 | dy3_3 = ((FTYPE)2.0) * dy2; \ |
| 130 | \ |
| 131 | xf0 = dx3_3 - dx3_2 - dx; \ |
| 132 | xf1 = dx3_2 - dx3_3 + ((FTYPE)1.0); \ |
| 133 | xf2 = dx2 - dx3_2 + dx; \ |
| 134 | xf3 = dx3_2 - dx2; \ |
| 135 | \ |
| 136 | OPERATOR; \ |
| 137 | \ |
| 138 | yf0 = dy3_3 - dy3_2 - dy; \ |
| 139 | yf1 = dy3_2 - dy3_3 + ((FTYPE)1.0); \ |
| 140 | yf2 = dy2 - dy3_2 + dy; \ |
| 141 | yf3 = dy3_2 - dy2 |
| 142 | |
| 143 | /***************************************************************/ |
| 144 | mlib_status FUN_NAME(1ch)(mlib_affine_param *param) |
| 145 | { |
| 146 | DECLAREVAR_BC(); |
| 147 | DTYPE *dstLineEnd; |
| 148 | |
| 149 | for (j = yStart; j <= yFinish; j++) { |
| 150 | FTYPE xf0, xf1, xf2, xf3; |
| 151 | FTYPE yf0, yf1, yf2, yf3; |
| 152 | FTYPE dx, dx_2, dx2, dx3_2, dx3_3; |
| 153 | FTYPE dy, dy_2, dy2, dy3_2, dy3_3; |
| 154 | FTYPE c0, c1, c2, c3, val0; |
| 155 | FTYPE scale = 1 / 65536.f; |
| 156 | FTYPE s0, s1, s2, s3; |
| 157 | FTYPE s4, s5, s6, s7; |
| 158 | |
| 159 | CLIP(1); |
| 160 | dstLineEnd = (DTYPE *) dstData + xRight; |
| 161 | |
| 162 | if (filter == MLIB_BICUBIC) { |
| 163 | CREATE_COEF_BICUBIC(X, Y,; |
| 164 | ); |
| 165 | } |
| 166 | else { |
| 167 | CREATE_COEF_BICUBIC_2(X, Y,; |
| 168 | ); |
| 169 | } |
| 170 | |
| 171 | xSrc = (X >> MLIB_SHIFT) - 1; |
| 172 | ySrc = (Y >> MLIB_SHIFT) - 1; |
| 173 | |
| 174 | srcPixelPtr = ((DTYPE **) lineAddr)[ySrc] + xSrc; |
| 175 | s0 = srcPixelPtr[0]; |
| 176 | s1 = srcPixelPtr[1]; |
| 177 | s2 = srcPixelPtr[2]; |
| 178 | s3 = srcPixelPtr[3]; |
| 179 | |
| 180 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 181 | s4 = srcPixelPtr[0]; |
| 182 | s5 = srcPixelPtr[1]; |
| 183 | s6 = srcPixelPtr[2]; |
| 184 | s7 = srcPixelPtr[3]; |
| 185 | |
| 186 | if (filter == MLIB_BICUBIC) { |
| 187 | for (; dstPixelPtr <= (dstLineEnd - 1); dstPixelPtr++) { |
| 188 | X += dX; |
| 189 | Y += dY; |
| 190 | |
| 191 | c0 = (s0 * xf0 + s1 * xf1 + s2 * xf2 + s3 * xf3); |
| 192 | c1 = (s4 * xf0 + s5 * xf1 + s6 * xf2 + s7 * xf3); |
| 193 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 194 | c2 = (srcPixelPtr[0] * xf0 + srcPixelPtr[1] * xf1 + |
| 195 | srcPixelPtr[2] * xf2 + srcPixelPtr[3] * xf3); |
| 196 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 197 | c3 = (srcPixelPtr[0] * xf0 + srcPixelPtr[1] * xf1 + |
| 198 | srcPixelPtr[2] * xf2 + srcPixelPtr[3] * xf3); |
| 199 | |
| 200 | CREATE_COEF_BICUBIC(X, Y, val0 = (c0 * yf0 + c1 * yf1 + c2 * yf2 + c3 * yf3)); |
| 201 | |
| 202 | STORE(dstPixelPtr[0], val0); |
| 203 | |
| 204 | xSrc = (X >> MLIB_SHIFT) - 1; |
| 205 | ySrc = (Y >> MLIB_SHIFT) - 1; |
| 206 | |
| 207 | srcPixelPtr = ((DTYPE **) lineAddr)[ySrc] + xSrc; |
| 208 | s0 = srcPixelPtr[0]; |
| 209 | s1 = srcPixelPtr[1]; |
| 210 | s2 = srcPixelPtr[2]; |
| 211 | s3 = srcPixelPtr[3]; |
| 212 | |
| 213 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 214 | s4 = srcPixelPtr[0]; |
| 215 | s5 = srcPixelPtr[1]; |
| 216 | s6 = srcPixelPtr[2]; |
| 217 | s7 = srcPixelPtr[3]; |
| 218 | } |
| 219 | |
| 220 | } |
| 221 | else { |
| 222 | for (; dstPixelPtr <= (dstLineEnd - 1); dstPixelPtr++) { |
| 223 | X += dX; |
| 224 | Y += dY; |
| 225 | |
| 226 | c0 = (s0 * xf0 + s1 * xf1 + s2 * xf2 + s3 * xf3); |
| 227 | c1 = (s4 * xf0 + s5 * xf1 + s6 * xf2 + s7 * xf3); |
| 228 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 229 | c2 = (srcPixelPtr[0] * xf0 + srcPixelPtr[1] * xf1 + |
| 230 | srcPixelPtr[2] * xf2 + srcPixelPtr[3] * xf3); |
| 231 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 232 | c3 = (srcPixelPtr[0] * xf0 + srcPixelPtr[1] * xf1 + |
| 233 | srcPixelPtr[2] * xf2 + srcPixelPtr[3] * xf3); |
| 234 | |
| 235 | CREATE_COEF_BICUBIC_2(X, Y, val0 = (c0 * yf0 + c1 * yf1 + c2 * yf2 + c3 * yf3)); |
| 236 | |
| 237 | STORE(dstPixelPtr[0], val0); |
| 238 | |
| 239 | xSrc = (X >> MLIB_SHIFT) - 1; |
| 240 | ySrc = (Y >> MLIB_SHIFT) - 1; |
| 241 | |
| 242 | srcPixelPtr = ((DTYPE **) lineAddr)[ySrc] + xSrc; |
| 243 | s0 = srcPixelPtr[0]; |
| 244 | s1 = srcPixelPtr[1]; |
| 245 | s2 = srcPixelPtr[2]; |
| 246 | s3 = srcPixelPtr[3]; |
| 247 | |
| 248 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 249 | s4 = srcPixelPtr[0]; |
| 250 | s5 = srcPixelPtr[1]; |
| 251 | s6 = srcPixelPtr[2]; |
| 252 | s7 = srcPixelPtr[3]; |
| 253 | } |
| 254 | } |
| 255 | |
| 256 | c0 = (s0 * xf0 + s1 * xf1 + s2 * xf2 + s3 * xf3); |
| 257 | c1 = (s4 * xf0 + s5 * xf1 + s6 * xf2 + s7 * xf3); |
| 258 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 259 | c2 = (srcPixelPtr[0] * xf0 + srcPixelPtr[1] * xf1 + |
| 260 | srcPixelPtr[2] * xf2 + srcPixelPtr[3] * xf3); |
| 261 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 262 | c3 = (srcPixelPtr[0] * xf0 + srcPixelPtr[1] * xf1 + |
| 263 | srcPixelPtr[2] * xf2 + srcPixelPtr[3] * xf3); |
| 264 | |
| 265 | val0 = (c0 * yf0 + c1 * yf1 + c2 * yf2 + c3 * yf3); |
| 266 | STORE(dstPixelPtr[0], val0); |
| 267 | } |
| 268 | |
| 269 | return MLIB_SUCCESS; |
| 270 | } |
| 271 | |
| 272 | /***************************************************************/ |
| 273 | mlib_status FUN_NAME(2ch)(mlib_affine_param *param) |
| 274 | { |
| 275 | DECLAREVAR_BC(); |
| 276 | DTYPE *dstLineEnd; |
| 277 | |
| 278 | for (j = yStart; j <= yFinish; j++) { |
| 279 | FTYPE xf0, xf1, xf2, xf3; |
| 280 | FTYPE yf0, yf1, yf2, yf3; |
| 281 | FTYPE dx, dx_2, dx2, dx3_2, dx3_3; |
| 282 | FTYPE dy, dy_2, dy2, dy3_2, dy3_3; |
| 283 | FTYPE c0, c1, c2, c3, val0; |
| 284 | FTYPE scale = 1 / 65536.f; |
| 285 | FTYPE s0, s1, s2, s3; |
| 286 | FTYPE s4, s5, s6, s7; |
| 287 | mlib_s32 k; |
| 288 | |
| 289 | CLIP(2); |
| 290 | dstLineEnd = (DTYPE *) dstData + 2 * xRight; |
| 291 | |
| 292 | for (k = 0; k < 2; k++) { |
| 293 | mlib_s32 X1 = X; |
| 294 | mlib_s32 Y1 = Y; |
| 295 | DTYPE *dPtr = dstPixelPtr + k; |
| 296 | |
| 297 | if (filter == MLIB_BICUBIC) { |
| 298 | CREATE_COEF_BICUBIC(X1, Y1,; |
| 299 | ); |
| 300 | } |
| 301 | else { |
| 302 | CREATE_COEF_BICUBIC_2(X1, Y1,; |
| 303 | ); |
| 304 | } |
| 305 | |
| 306 | xSrc = (X1 >> MLIB_SHIFT) - 1; |
| 307 | ySrc = (Y1 >> MLIB_SHIFT) - 1; |
| 308 | |
| 309 | srcPixelPtr = ((DTYPE **) lineAddr)[ySrc] + 2 * xSrc + k; |
| 310 | s0 = srcPixelPtr[0]; |
| 311 | s1 = srcPixelPtr[2]; |
| 312 | s2 = srcPixelPtr[4]; |
| 313 | s3 = srcPixelPtr[6]; |
| 314 | |
| 315 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 316 | s4 = srcPixelPtr[0]; |
| 317 | s5 = srcPixelPtr[2]; |
| 318 | s6 = srcPixelPtr[4]; |
| 319 | s7 = srcPixelPtr[6]; |
| 320 | |
| 321 | if (filter == MLIB_BICUBIC) { |
| 322 | for (; dPtr <= (dstLineEnd - 1); dPtr += 2) { |
| 323 | X1 += dX; |
| 324 | Y1 += dY; |
| 325 | |
| 326 | c0 = (s0 * xf0 + s1 * xf1 + s2 * xf2 + s3 * xf3); |
| 327 | c1 = (s4 * xf0 + s5 * xf1 + s6 * xf2 + s7 * xf3); |
| 328 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 329 | c2 = (srcPixelPtr[0] * xf0 + srcPixelPtr[2] * xf1 + |
| 330 | srcPixelPtr[4] * xf2 + srcPixelPtr[6] * xf3); |
| 331 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 332 | c3 = (srcPixelPtr[0] * xf0 + srcPixelPtr[2] * xf1 + |
| 333 | srcPixelPtr[4] * xf2 + srcPixelPtr[6] * xf3); |
| 334 | |
| 335 | CREATE_COEF_BICUBIC(X1, Y1, val0 = (c0 * yf0 + c1 * yf1 + c2 * yf2 + c3 * yf3)); |
| 336 | |
| 337 | STORE(dPtr[0], val0); |
| 338 | |
| 339 | xSrc = (X1 >> MLIB_SHIFT) - 1; |
| 340 | ySrc = (Y1 >> MLIB_SHIFT) - 1; |
| 341 | |
| 342 | srcPixelPtr = ((DTYPE **) lineAddr)[ySrc] + 2 * xSrc + k; |
| 343 | s0 = srcPixelPtr[0]; |
| 344 | s1 = srcPixelPtr[2]; |
| 345 | s2 = srcPixelPtr[4]; |
| 346 | s3 = srcPixelPtr[6]; |
| 347 | |
| 348 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 349 | s4 = srcPixelPtr[0]; |
| 350 | s5 = srcPixelPtr[2]; |
| 351 | s6 = srcPixelPtr[4]; |
| 352 | s7 = srcPixelPtr[6]; |
| 353 | } |
| 354 | |
| 355 | } |
| 356 | else { |
| 357 | for (; dPtr <= (dstLineEnd - 1); dPtr += 2) { |
| 358 | X1 += dX; |
| 359 | Y1 += dY; |
| 360 | |
| 361 | c0 = (s0 * xf0 + s1 * xf1 + s2 * xf2 + s3 * xf3); |
| 362 | c1 = (s4 * xf0 + s5 * xf1 + s6 * xf2 + s7 * xf3); |
| 363 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 364 | c2 = (srcPixelPtr[0] * xf0 + srcPixelPtr[2] * xf1 + |
| 365 | srcPixelPtr[4] * xf2 + srcPixelPtr[6] * xf3); |
| 366 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 367 | c3 = (srcPixelPtr[0] * xf0 + srcPixelPtr[2] * xf1 + |
| 368 | srcPixelPtr[4] * xf2 + srcPixelPtr[6] * xf3); |
| 369 | |
| 370 | CREATE_COEF_BICUBIC_2(X1, Y1, val0 = |
| 371 | (c0 * yf0 + c1 * yf1 + c2 * yf2 + c3 * yf3)); |
| 372 | |
| 373 | STORE(dPtr[0], val0); |
| 374 | |
| 375 | xSrc = (X1 >> MLIB_SHIFT) - 1; |
| 376 | ySrc = (Y1 >> MLIB_SHIFT) - 1; |
| 377 | |
| 378 | srcPixelPtr = ((DTYPE **) lineAddr)[ySrc] + 2 * xSrc + k; |
| 379 | s0 = srcPixelPtr[0]; |
| 380 | s1 = srcPixelPtr[2]; |
| 381 | s2 = srcPixelPtr[4]; |
| 382 | s3 = srcPixelPtr[6]; |
| 383 | |
| 384 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 385 | s4 = srcPixelPtr[0]; |
| 386 | s5 = srcPixelPtr[2]; |
| 387 | s6 = srcPixelPtr[4]; |
| 388 | s7 = srcPixelPtr[6]; |
| 389 | } |
| 390 | } |
| 391 | |
| 392 | c0 = (s0 * xf0 + s1 * xf1 + s2 * xf2 + s3 * xf3); |
| 393 | c1 = (s4 * xf0 + s5 * xf1 + s6 * xf2 + s7 * xf3); |
| 394 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 395 | c2 = (srcPixelPtr[0] * xf0 + srcPixelPtr[2] * xf1 + |
| 396 | srcPixelPtr[4] * xf2 + srcPixelPtr[6] * xf3); |
| 397 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 398 | c3 = (srcPixelPtr[0] * xf0 + srcPixelPtr[2] * xf1 + |
| 399 | srcPixelPtr[4] * xf2 + srcPixelPtr[6] * xf3); |
| 400 | |
| 401 | val0 = (c0 * yf0 + c1 * yf1 + c2 * yf2 + c3 * yf3); |
| 402 | STORE(dPtr[0], val0); |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | return MLIB_SUCCESS; |
| 407 | } |
| 408 | |
| 409 | /***************************************************************/ |
| 410 | mlib_status FUN_NAME(3ch)(mlib_affine_param *param) |
| 411 | { |
| 412 | DECLAREVAR_BC(); |
| 413 | DTYPE *dstLineEnd; |
| 414 | |
| 415 | for (j = yStart; j <= yFinish; j++) { |
| 416 | FTYPE xf0, xf1, xf2, xf3; |
| 417 | FTYPE yf0, yf1, yf2, yf3; |
| 418 | FTYPE dx, dx_2, dx2, dx3_2, dx3_3; |
| 419 | FTYPE dy, dy_2, dy2, dy3_2, dy3_3; |
| 420 | FTYPE c0, c1, c2, c3, val0; |
| 421 | FTYPE scale = 1 / 65536.f; |
| 422 | FTYPE s0, s1, s2, s3; |
| 423 | FTYPE s4, s5, s6, s7; |
| 424 | mlib_s32 k; |
| 425 | |
| 426 | CLIP(3); |
| 427 | dstLineEnd = (DTYPE *) dstData + 3 * xRight; |
| 428 | |
| 429 | for (k = 0; k < 3; k++) { |
| 430 | mlib_s32 X1 = X; |
| 431 | mlib_s32 Y1 = Y; |
| 432 | DTYPE *dPtr = dstPixelPtr + k; |
| 433 | |
| 434 | if (filter == MLIB_BICUBIC) { |
| 435 | CREATE_COEF_BICUBIC(X1, Y1,; |
| 436 | ); |
| 437 | } |
| 438 | else { |
| 439 | CREATE_COEF_BICUBIC_2(X1, Y1,; |
| 440 | ); |
| 441 | } |
| 442 | |
| 443 | xSrc = (X1 >> MLIB_SHIFT) - 1; |
| 444 | ySrc = (Y1 >> MLIB_SHIFT) - 1; |
| 445 | |
| 446 | srcPixelPtr = ((DTYPE **) lineAddr)[ySrc] + 3 * xSrc + k; |
| 447 | s0 = srcPixelPtr[0]; |
| 448 | s1 = srcPixelPtr[3]; |
| 449 | s2 = srcPixelPtr[6]; |
| 450 | s3 = srcPixelPtr[9]; |
| 451 | |
| 452 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 453 | s4 = srcPixelPtr[0]; |
| 454 | s5 = srcPixelPtr[3]; |
| 455 | s6 = srcPixelPtr[6]; |
| 456 | s7 = srcPixelPtr[9]; |
| 457 | |
| 458 | if (filter == MLIB_BICUBIC) { |
| 459 | for (; dPtr <= (dstLineEnd - 1); dPtr += 3) { |
| 460 | X1 += dX; |
| 461 | Y1 += dY; |
| 462 | |
| 463 | c0 = (s0 * xf0 + s1 * xf1 + s2 * xf2 + s3 * xf3); |
| 464 | c1 = (s4 * xf0 + s5 * xf1 + s6 * xf2 + s7 * xf3); |
| 465 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 466 | c2 = (srcPixelPtr[0] * xf0 + srcPixelPtr[3] * xf1 + |
| 467 | srcPixelPtr[6] * xf2 + srcPixelPtr[9] * xf3); |
| 468 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 469 | c3 = (srcPixelPtr[0] * xf0 + srcPixelPtr[3] * xf1 + |
| 470 | srcPixelPtr[6] * xf2 + srcPixelPtr[9] * xf3); |
| 471 | |
| 472 | CREATE_COEF_BICUBIC(X1, Y1, val0 = (c0 * yf0 + c1 * yf1 + c2 * yf2 + c3 * yf3)); |
| 473 | |
| 474 | STORE(dPtr[0], val0); |
| 475 | |
| 476 | xSrc = (X1 >> MLIB_SHIFT) - 1; |
| 477 | ySrc = (Y1 >> MLIB_SHIFT) - 1; |
| 478 | |
| 479 | srcPixelPtr = ((DTYPE **) lineAddr)[ySrc] + 3 * xSrc + k; |
| 480 | s0 = srcPixelPtr[0]; |
| 481 | s1 = srcPixelPtr[3]; |
| 482 | s2 = srcPixelPtr[6]; |
| 483 | s3 = srcPixelPtr[9]; |
| 484 | |
| 485 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 486 | s4 = srcPixelPtr[0]; |
| 487 | s5 = srcPixelPtr[3]; |
| 488 | s6 = srcPixelPtr[6]; |
| 489 | s7 = srcPixelPtr[9]; |
| 490 | } |
| 491 | |
| 492 | } |
| 493 | else { |
| 494 | for (; dPtr <= (dstLineEnd - 1); dPtr += 3) { |
| 495 | X1 += dX; |
| 496 | Y1 += dY; |
| 497 | |
| 498 | c0 = (s0 * xf0 + s1 * xf1 + s2 * xf2 + s3 * xf3); |
| 499 | c1 = (s4 * xf0 + s5 * xf1 + s6 * xf2 + s7 * xf3); |
| 500 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 501 | c2 = (srcPixelPtr[0] * xf0 + srcPixelPtr[3] * xf1 + |
| 502 | srcPixelPtr[6] * xf2 + srcPixelPtr[9] * xf3); |
| 503 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 504 | c3 = (srcPixelPtr[0] * xf0 + srcPixelPtr[3] * xf1 + |
| 505 | srcPixelPtr[6] * xf2 + srcPixelPtr[9] * xf3); |
| 506 | |
| 507 | CREATE_COEF_BICUBIC_2(X1, Y1, val0 = |
| 508 | (c0 * yf0 + c1 * yf1 + c2 * yf2 + c3 * yf3)); |
| 509 | |
| 510 | STORE(dPtr[0], val0); |
| 511 | |
| 512 | xSrc = (X1 >> MLIB_SHIFT) - 1; |
| 513 | ySrc = (Y1 >> MLIB_SHIFT) - 1; |
| 514 | |
| 515 | srcPixelPtr = ((DTYPE **) lineAddr)[ySrc] + 3 * xSrc + k; |
| 516 | s0 = srcPixelPtr[0]; |
| 517 | s1 = srcPixelPtr[3]; |
| 518 | s2 = srcPixelPtr[6]; |
| 519 | s3 = srcPixelPtr[9]; |
| 520 | |
| 521 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 522 | s4 = srcPixelPtr[0]; |
| 523 | s5 = srcPixelPtr[3]; |
| 524 | s6 = srcPixelPtr[6]; |
| 525 | s7 = srcPixelPtr[9]; |
| 526 | } |
| 527 | } |
| 528 | |
| 529 | c0 = (s0 * xf0 + s1 * xf1 + s2 * xf2 + s3 * xf3); |
| 530 | c1 = (s4 * xf0 + s5 * xf1 + s6 * xf2 + s7 * xf3); |
| 531 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 532 | c2 = (srcPixelPtr[0] * xf0 + srcPixelPtr[3] * xf1 + |
| 533 | srcPixelPtr[6] * xf2 + srcPixelPtr[9] * xf3); |
| 534 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 535 | c3 = (srcPixelPtr[0] * xf0 + srcPixelPtr[3] * xf1 + |
| 536 | srcPixelPtr[6] * xf2 + srcPixelPtr[9] * xf3); |
| 537 | |
| 538 | val0 = (c0 * yf0 + c1 * yf1 + c2 * yf2 + c3 * yf3); |
| 539 | STORE(dPtr[0], val0); |
| 540 | } |
| 541 | } |
| 542 | |
| 543 | return MLIB_SUCCESS; |
| 544 | } |
| 545 | |
| 546 | /***************************************************************/ |
| 547 | mlib_status FUN_NAME(4ch)(mlib_affine_param *param) |
| 548 | { |
| 549 | DECLAREVAR_BC(); |
| 550 | DTYPE *dstLineEnd; |
| 551 | |
| 552 | for (j = yStart; j <= yFinish; j++) { |
| 553 | FTYPE xf0, xf1, xf2, xf3; |
| 554 | FTYPE yf0, yf1, yf2, yf3; |
| 555 | FTYPE dx, dx_2, dx2, dx3_2, dx3_3; |
| 556 | FTYPE dy, dy_2, dy2, dy3_2, dy3_3; |
| 557 | FTYPE c0, c1, c2, c3, val0; |
| 558 | FTYPE scale = 1 / 65536.f; |
| 559 | FTYPE s0, s1, s2, s3; |
| 560 | FTYPE s4, s5, s6, s7; |
| 561 | mlib_s32 k; |
| 562 | |
| 563 | CLIP(4); |
| 564 | dstLineEnd = (DTYPE *) dstData + 4 * xRight; |
| 565 | |
| 566 | for (k = 0; k < 4; k++) { |
| 567 | mlib_s32 X1 = X; |
| 568 | mlib_s32 Y1 = Y; |
| 569 | DTYPE *dPtr = dstPixelPtr + k; |
| 570 | |
| 571 | if (filter == MLIB_BICUBIC) { |
| 572 | CREATE_COEF_BICUBIC(X1, Y1,; |
| 573 | ); |
| 574 | } |
| 575 | else { |
| 576 | CREATE_COEF_BICUBIC_2(X1, Y1,; |
| 577 | ); |
| 578 | } |
| 579 | |
| 580 | xSrc = (X1 >> MLIB_SHIFT) - 1; |
| 581 | ySrc = (Y1 >> MLIB_SHIFT) - 1; |
| 582 | |
| 583 | srcPixelPtr = ((DTYPE **) lineAddr)[ySrc] + 4 * xSrc + k; |
| 584 | s0 = srcPixelPtr[0]; |
| 585 | s1 = srcPixelPtr[4]; |
| 586 | s2 = srcPixelPtr[8]; |
| 587 | s3 = srcPixelPtr[12]; |
| 588 | |
| 589 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 590 | s4 = srcPixelPtr[0]; |
| 591 | s5 = srcPixelPtr[4]; |
| 592 | s6 = srcPixelPtr[8]; |
| 593 | s7 = srcPixelPtr[12]; |
| 594 | |
| 595 | if (filter == MLIB_BICUBIC) { |
| 596 | for (; dPtr <= (dstLineEnd - 1); dPtr += 4) { |
| 597 | |
| 598 | X1 += dX; |
| 599 | Y1 += dY; |
| 600 | |
| 601 | c0 = (s0 * xf0 + s1 * xf1 + s2 * xf2 + s3 * xf3); |
| 602 | c1 = (s4 * xf0 + s5 * xf1 + s6 * xf2 + s7 * xf3); |
| 603 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 604 | c2 = (srcPixelPtr[0] * xf0 + srcPixelPtr[4] * xf1 + |
| 605 | srcPixelPtr[8] * xf2 + srcPixelPtr[12] * xf3); |
| 606 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 607 | c3 = (srcPixelPtr[0] * xf0 + srcPixelPtr[4] * xf1 + |
| 608 | srcPixelPtr[8] * xf2 + srcPixelPtr[12] * xf3); |
| 609 | |
| 610 | CREATE_COEF_BICUBIC(X1, Y1, val0 = (c0 * yf0 + c1 * yf1 + c2 * yf2 + c3 * yf3)); |
| 611 | |
| 612 | STORE(dPtr[0], val0); |
| 613 | |
| 614 | xSrc = (X1 >> MLIB_SHIFT) - 1; |
| 615 | ySrc = (Y1 >> MLIB_SHIFT) - 1; |
| 616 | |
| 617 | srcPixelPtr = ((DTYPE **) lineAddr)[ySrc] + 4 * xSrc + k; |
| 618 | s0 = srcPixelPtr[0]; |
| 619 | s1 = srcPixelPtr[4]; |
| 620 | s2 = srcPixelPtr[8]; |
| 621 | s3 = srcPixelPtr[12]; |
| 622 | |
| 623 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 624 | s4 = srcPixelPtr[0]; |
| 625 | s5 = srcPixelPtr[4]; |
| 626 | s6 = srcPixelPtr[8]; |
| 627 | s7 = srcPixelPtr[12]; |
| 628 | } |
| 629 | |
| 630 | } |
| 631 | else { |
| 632 | for (; dPtr <= (dstLineEnd - 1); dPtr += 4) { |
| 633 | |
| 634 | X1 += dX; |
| 635 | Y1 += dY; |
| 636 | |
| 637 | c0 = (s0 * xf0 + s1 * xf1 + s2 * xf2 + s3 * xf3); |
| 638 | c1 = (s4 * xf0 + s5 * xf1 + s6 * xf2 + s7 * xf3); |
| 639 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 640 | c2 = (srcPixelPtr[0] * xf0 + srcPixelPtr[4] * xf1 + |
| 641 | srcPixelPtr[8] * xf2 + srcPixelPtr[12] * xf3); |
| 642 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 643 | c3 = (srcPixelPtr[0] * xf0 + srcPixelPtr[4] * xf1 + |
| 644 | srcPixelPtr[8] * xf2 + srcPixelPtr[12] * xf3); |
| 645 | |
| 646 | CREATE_COEF_BICUBIC_2(X1, Y1, val0 = (c0 * yf0 + c1 * yf1 + c2 * yf2 + c3 * yf3)); |
| 647 | |
| 648 | STORE(dPtr[0], val0); |
| 649 | |
| 650 | xSrc = (X1 >> MLIB_SHIFT) - 1; |
| 651 | ySrc = (Y1 >> MLIB_SHIFT) - 1; |
| 652 | |
| 653 | srcPixelPtr = ((DTYPE **) lineAddr)[ySrc] + 4 * xSrc + k; |
| 654 | s0 = srcPixelPtr[0]; |
| 655 | s1 = srcPixelPtr[4]; |
| 656 | s2 = srcPixelPtr[8]; |
| 657 | s3 = srcPixelPtr[12]; |
| 658 | |
| 659 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 660 | s4 = srcPixelPtr[0]; |
| 661 | s5 = srcPixelPtr[4]; |
| 662 | s6 = srcPixelPtr[8]; |
| 663 | s7 = srcPixelPtr[12]; |
| 664 | } |
| 665 | } |
| 666 | |
| 667 | c0 = (s0 * xf0 + s1 * xf1 + s2 * xf2 + s3 * xf3); |
| 668 | c1 = (s4 * xf0 + s5 * xf1 + s6 * xf2 + s7 * xf3); |
| 669 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 670 | c2 = (srcPixelPtr[0] * xf0 + srcPixelPtr[4] * xf1 + |
| 671 | srcPixelPtr[8] * xf2 + srcPixelPtr[12] * xf3); |
| 672 | srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride); |
| 673 | c3 = (srcPixelPtr[0] * xf0 + srcPixelPtr[4] * xf1 + |
| 674 | srcPixelPtr[8] * xf2 + srcPixelPtr[12] * xf3); |
| 675 | |
| 676 | val0 = (c0 * yf0 + c1 * yf1 + c2 * yf2 + c3 * yf3); |
| 677 | STORE(dPtr[0], val0); |
| 678 | } |
| 679 | } |
| 680 | |
| 681 | return MLIB_SUCCESS; |
| 682 | } |
| 683 | |
| 684 | /***************************************************************/ |