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 | * mlib_ImageAffine - image affine transformation with edge condition |
| 30 | * |
| 31 | * SYNOPSIS |
| 32 | * mlib_status mlib_ImageAffine(mlib_image *dst, |
| 33 | * const mlib_image *src, |
| 34 | * const mlib_d64 *mtx, |
| 35 | * mlib_filter filter, |
| 36 | * mlib_edge edge) |
| 37 | * |
| 38 | * ARGUMENTS |
| 39 | * dst Pointer to destination image |
| 40 | * src Pointer to source image |
| 41 | * mtx Transformation matrix, where |
| 42 | * mtx[0] holds a; mtx[1] holds b; |
| 43 | * mtx[2] holds tx; mtx[3] holds c; |
| 44 | * mtx[4] holds d; mtx[5] holds ty. |
| 45 | * filter Type of resampling filter. |
| 46 | * edge Type of edge condition. |
| 47 | * |
| 48 | * DESCRIPTION |
| 49 | * xd = a*xs + b*ys + tx |
| 50 | * yd = c*xs + d*ys + ty |
| 51 | * |
| 52 | * The upper-left corner pixel of an image is located at (0.5, 0.5). |
| 53 | * |
| 54 | * The resampling filter can be one of the following: |
| 55 | * MLIB_NEAREST |
| 56 | * MLIB_BILINEAR |
| 57 | * MLIB_BICUBIC |
| 58 | * MLIB_BICUBIC2 |
| 59 | * |
| 60 | * The edge condition can be one of the following: |
| 61 | * MLIB_EDGE_DST_NO_WRITE (default) |
| 62 | * MLIB_EDGE_DST_FILL_ZERO |
| 63 | * MLIB_EDGE_OP_NEAREST |
| 64 | * MLIB_EDGE_SRC_EXTEND |
| 65 | * MLIB_EDGE_SRC_PADDED |
| 66 | * |
| 67 | * RESTRICTION |
| 68 | * src and dst must be the same type and the same number of channels. |
| 69 | * They can have 1, 2, 3 or 4 channels. They can be in MLIB_BIT, MLIB_BYTE, |
| 70 | * MLIB_SHORT, MLIB_USHORT or MLIB_INT data type. |
| 71 | * |
| 72 | * src image can not have width or height larger than 32767. |
| 73 | */ |
| 74 | |
| 75 | #include "mlib_ImageCheck.h" |
| 76 | #include "mlib_ImageColormap.h" |
| 77 | #include "mlib_ImageAffine.h" |
| 78 | |
| 79 | |
| 80 | /***************************************************************/ |
| 81 | #define BUFF_SIZE 600 |
| 82 | |
| 83 | /***************************************************************/ |
| 84 | const type_affine_fun mlib_AffineFunArr_nn[] = { |
| 85 | mlib_ImageAffine_u8_1ch_nn, mlib_ImageAffine_u8_2ch_nn, |
| 86 | mlib_ImageAffine_u8_3ch_nn, mlib_ImageAffine_u8_4ch_nn, |
| 87 | mlib_ImageAffine_s16_1ch_nn, mlib_ImageAffine_s16_2ch_nn, |
| 88 | mlib_ImageAffine_s16_3ch_nn, mlib_ImageAffine_s16_4ch_nn, |
| 89 | mlib_ImageAffine_s32_1ch_nn, mlib_ImageAffine_s32_2ch_nn, |
| 90 | mlib_ImageAffine_s32_3ch_nn, mlib_ImageAffine_s32_4ch_nn, |
| 91 | mlib_ImageAffine_d64_1ch_nn, mlib_ImageAffine_d64_2ch_nn, |
| 92 | mlib_ImageAffine_d64_3ch_nn, mlib_ImageAffine_d64_4ch_nn, |
| 93 | }; |
| 94 | |
| 95 | /***************************************************************/ |
| 96 | const type_affine_fun mlib_AffineFunArr_bl[] = { |
| 97 | mlib_ImageAffine_u8_1ch_bl, mlib_ImageAffine_u8_2ch_bl, |
| 98 | mlib_ImageAffine_u8_3ch_bl, mlib_ImageAffine_u8_4ch_bl, |
| 99 | mlib_ImageAffine_s16_1ch_bl, mlib_ImageAffine_s16_2ch_bl, |
| 100 | mlib_ImageAffine_s16_3ch_bl, mlib_ImageAffine_s16_4ch_bl, |
| 101 | mlib_ImageAffine_s32_1ch_bl, mlib_ImageAffine_s32_2ch_bl, |
| 102 | mlib_ImageAffine_s32_3ch_bl, mlib_ImageAffine_s32_4ch_bl, |
| 103 | mlib_ImageAffine_u16_1ch_bl, mlib_ImageAffine_u16_2ch_bl, |
| 104 | mlib_ImageAffine_u16_3ch_bl, mlib_ImageAffine_u16_4ch_bl, |
| 105 | mlib_ImageAffine_f32_1ch_bl, mlib_ImageAffine_f32_2ch_bl, |
| 106 | mlib_ImageAffine_f32_3ch_bl, mlib_ImageAffine_f32_4ch_bl, |
| 107 | mlib_ImageAffine_d64_1ch_bl, mlib_ImageAffine_d64_2ch_bl, |
| 108 | mlib_ImageAffine_d64_3ch_bl, mlib_ImageAffine_d64_4ch_bl |
| 109 | }; |
| 110 | |
| 111 | /***************************************************************/ |
| 112 | const type_affine_fun mlib_AffineFunArr_bc[] = { |
| 113 | mlib_ImageAffine_u8_1ch_bc, mlib_ImageAffine_u8_2ch_bc, |
| 114 | mlib_ImageAffine_u8_3ch_bc, mlib_ImageAffine_u8_4ch_bc, |
| 115 | mlib_ImageAffine_s16_1ch_bc, mlib_ImageAffine_s16_2ch_bc, |
| 116 | mlib_ImageAffine_s16_3ch_bc, mlib_ImageAffine_s16_4ch_bc, |
| 117 | mlib_ImageAffine_s32_1ch_bc, mlib_ImageAffine_s32_2ch_bc, |
| 118 | mlib_ImageAffine_s32_3ch_bc, mlib_ImageAffine_s32_4ch_bc, |
| 119 | mlib_ImageAffine_u16_1ch_bc, mlib_ImageAffine_u16_2ch_bc, |
| 120 | mlib_ImageAffine_u16_3ch_bc, mlib_ImageAffine_u16_4ch_bc, |
| 121 | mlib_ImageAffine_f32_1ch_bc, mlib_ImageAffine_f32_2ch_bc, |
| 122 | mlib_ImageAffine_f32_3ch_bc, mlib_ImageAffine_f32_4ch_bc, |
| 123 | mlib_ImageAffine_d64_1ch_bc, mlib_ImageAffine_d64_2ch_bc, |
| 124 | mlib_ImageAffine_d64_3ch_bc, mlib_ImageAffine_d64_4ch_bc |
| 125 | }; |
| 126 | |
| 127 | /***************************************************************/ |
| 128 | const type_affine_i_fun mlib_AffineFunArr_bc_i[] = { |
| 129 | mlib_ImageAffineIndex_U8_U8_3CH_BC, |
| 130 | mlib_ImageAffineIndex_U8_U8_4CH_BC, |
| 131 | mlib_ImageAffineIndex_S16_U8_3CH_BC, |
| 132 | mlib_ImageAffineIndex_S16_U8_4CH_BC, |
| 133 | mlib_ImageAffineIndex_U8_S16_3CH_BC, |
| 134 | mlib_ImageAffineIndex_U8_S16_4CH_BC, |
| 135 | mlib_ImageAffineIndex_S16_S16_3CH_BC, |
| 136 | mlib_ImageAffineIndex_S16_S16_4CH_BC |
| 137 | }; |
| 138 | |
| 139 | /***************************************************************/ |
| 140 | #ifdef i386 /* do not perform the coping by mlib_d64 data type for x86 */ |
| 141 | #define MAX_T_IND 2 |
| 142 | #else |
| 143 | #define MAX_T_IND 3 |
| 144 | #endif /* i386 ( do not perform the coping by mlib_d64 data type for x86 ) */ |
| 145 | |
| 146 | /***************************************************************/ |
| 147 | mlib_status mlib_ImageAffine_alltypes(mlib_image *dst, |
| 148 | const mlib_image *src, |
| 149 | const mlib_d64 *mtx, |
| 150 | mlib_filter filter, |
| 151 | mlib_edge edge, |
| 152 | const void *colormap) |
| 153 | { |
| 154 | mlib_affine_param param[1]; |
| 155 | mlib_status res; |
| 156 | mlib_type type; |
| 157 | mlib_s32 nchan, t_ind, kw, kw1; |
| 158 | mlib_addr align; |
| 159 | mlib_d64 buff_lcl[BUFF_SIZE / 8]; |
| 160 | mlib_u8 **lineAddr = NULL; |
| 161 | |
| 162 | /* check for obvious errors */ |
| 163 | MLIB_IMAGE_TYPE_EQUAL(src, dst); |
| 164 | MLIB_IMAGE_CHAN_EQUAL(src, dst); |
| 165 | |
| 166 | type = mlib_ImageGetType(dst); |
| 167 | nchan = mlib_ImageGetChannels(dst); |
| 168 | |
| 169 | switch (filter) { |
| 170 | case MLIB_NEAREST: |
| 171 | kw = 1; |
| 172 | kw1 = 0; |
| 173 | break; |
| 174 | |
| 175 | case MLIB_BILINEAR: |
| 176 | kw = 2; |
| 177 | kw1 = 0; |
| 178 | break; |
| 179 | |
| 180 | case MLIB_BICUBIC: |
| 181 | case MLIB_BICUBIC2: |
| 182 | kw = 4; |
| 183 | kw1 = 1; |
| 184 | break; |
| 185 | |
| 186 | default: |
| 187 | return MLIB_FAILURE; |
| 188 | } |
| 189 | |
| 190 | STORE_PARAM(param, lineAddr); |
| 191 | STORE_PARAM(param, filter); |
| 192 | |
| 193 | res = mlib_AffineEdges(param, dst, src, buff_lcl, BUFF_SIZE, |
| 194 | kw, kw, kw1, kw1, edge, mtx, MLIB_SHIFT, MLIB_SHIFT); |
| 195 | |
| 196 | if (res != MLIB_SUCCESS) |
| 197 | return res; |
| 198 | |
| 199 | lineAddr = param->lineAddr; |
| 200 | |
| 201 | if (type == MLIB_BYTE) |
| 202 | t_ind = 0; |
| 203 | else if (type == MLIB_SHORT) |
| 204 | t_ind = 1; |
| 205 | else if (type == MLIB_INT) |
| 206 | t_ind = 2; |
| 207 | else if (type == MLIB_USHORT) |
| 208 | t_ind = 3; |
| 209 | else if (type == MLIB_FLOAT) |
| 210 | t_ind = 4; |
| 211 | else if (type == MLIB_DOUBLE) |
| 212 | t_ind = 5; |
| 213 | |
| 214 | if (colormap != NULL && filter != MLIB_NEAREST) { |
| 215 | if (t_ind != 0 && t_ind != 1) |
| 216 | return MLIB_FAILURE; |
| 217 | |
| 218 | if (mlib_ImageGetLutType(colormap) == MLIB_SHORT) |
| 219 | t_ind += 2; |
| 220 | t_ind = 2 * t_ind; |
| 221 | |
| 222 | if (mlib_ImageGetLutChannels(colormap) == 4) |
| 223 | t_ind++; |
| 224 | } |
| 225 | |
| 226 | if (type == MLIB_BIT) { |
| 227 | mlib_s32 s_bitoff = mlib_ImageGetBitOffset(src); |
| 228 | mlib_s32 d_bitoff = mlib_ImageGetBitOffset(dst); |
| 229 | |
| 230 | if (nchan != 1 || filter != MLIB_NEAREST) |
| 231 | return MLIB_FAILURE; |
| 232 | mlib_ImageAffine_bit_1ch_nn(param, s_bitoff, d_bitoff); |
| 233 | } |
| 234 | else { |
| 235 | switch (filter) { |
| 236 | case MLIB_NEAREST: |
| 237 | |
| 238 | if (t_ind >= 3) |
| 239 | t_ind -= 2; /* correct types USHORT, FLOAT, DOUBLE; new values: 1, 2, 3 */ |
| 240 | |
| 241 | /* two channels as one channel of next type */ |
| 242 | align = (mlib_addr) (param->dstData) | (mlib_addr) lineAddr[0]; |
| 243 | align |= param->dstYStride | param->srcYStride; |
| 244 | while (((nchan | (align >> t_ind)) & 1) == 0 && t_ind < MAX_T_IND) { |
| 245 | nchan >>= 1; |
| 246 | t_ind++; |
| 247 | } |
| 248 | |
| 249 | res = mlib_AffineFunArr_nn[4 * t_ind + (nchan - 1)] (param); |
| 250 | break; |
| 251 | |
| 252 | case MLIB_BILINEAR: |
| 253 | |
| 254 | if (colormap != NULL) { |
| 255 | res = mlib_AffineFunArr_bl_i[t_ind] (param, colormap); |
| 256 | } |
| 257 | else { |
| 258 | res = mlib_AffineFunArr_bl[4 * t_ind + (nchan - 1)] (param); |
| 259 | } |
| 260 | |
| 261 | break; |
| 262 | |
| 263 | case MLIB_BICUBIC: |
| 264 | case MLIB_BICUBIC2: |
| 265 | |
| 266 | if (colormap != NULL) { |
| 267 | res = mlib_AffineFunArr_bc_i[t_ind] (param, colormap); |
| 268 | } |
| 269 | else { |
| 270 | res = mlib_AffineFunArr_bc[4 * t_ind + (nchan - 1)] (param); |
| 271 | } |
| 272 | |
| 273 | break; |
| 274 | } |
| 275 | |
| 276 | if (res != MLIB_SUCCESS) { |
| 277 | if (param->buff_malloc != NULL) |
| 278 | mlib_free(param->buff_malloc); |
| 279 | return res; |
| 280 | } |
| 281 | } |
| 282 | |
| 283 | if (edge == MLIB_EDGE_SRC_PADDED) |
| 284 | edge = MLIB_EDGE_DST_NO_WRITE; |
| 285 | |
| 286 | if (filter != MLIB_NEAREST && edge != MLIB_EDGE_DST_NO_WRITE) { |
| 287 | mlib_affine_param param_e[1]; |
| 288 | mlib_d64 buff_lcl1[BUFF_SIZE / 8]; |
| 289 | |
| 290 | STORE_PARAM(param_e, lineAddr); |
| 291 | STORE_PARAM(param_e, filter); |
| 292 | |
| 293 | res = mlib_AffineEdges(param_e, dst, src, buff_lcl1, BUFF_SIZE, |
| 294 | kw, kw, kw1, kw1, -1, mtx, MLIB_SHIFT, MLIB_SHIFT); |
| 295 | |
| 296 | if (res != MLIB_SUCCESS) { |
| 297 | if (param->buff_malloc != NULL) |
| 298 | mlib_free(param->buff_malloc); |
| 299 | return res; |
| 300 | } |
| 301 | |
| 302 | switch (edge) { |
| 303 | case MLIB_EDGE_DST_FILL_ZERO: |
| 304 | mlib_ImageAffineEdgeZero(param, param_e, colormap); |
| 305 | break; |
| 306 | |
| 307 | case MLIB_EDGE_OP_NEAREST: |
| 308 | mlib_ImageAffineEdgeNearest(param, param_e); |
| 309 | break; |
| 310 | |
| 311 | case MLIB_EDGE_SRC_EXTEND: |
| 312 | |
| 313 | if (filter == MLIB_BILINEAR) { |
| 314 | res = mlib_ImageAffineEdgeExtend_BL(param, param_e, colormap); |
| 315 | } |
| 316 | else { |
| 317 | res = mlib_ImageAffineEdgeExtend_BC(param, param_e, colormap); |
| 318 | } |
| 319 | |
| 320 | break; |
| 321 | } |
| 322 | |
| 323 | if (param_e->buff_malloc != NULL) |
| 324 | mlib_free(param_e->buff_malloc); |
| 325 | } |
| 326 | |
| 327 | if (param->buff_malloc != NULL) |
| 328 | mlib_free(param->buff_malloc); |
| 329 | |
| 330 | return res; |
| 331 | } |
| 332 | |
| 333 | /***************************************************************/ |
| 334 | mlib_status mlib_ImageAffine(mlib_image *dst, |
| 335 | const mlib_image *src, |
| 336 | const mlib_d64 *mtx, |
| 337 | mlib_filter filter, |
| 338 | mlib_edge edge) |
| 339 | { |
| 340 | mlib_type type; |
| 341 | |
| 342 | MLIB_IMAGE_CHECK(src); |
| 343 | MLIB_IMAGE_CHECK(dst); |
| 344 | |
| 345 | type = mlib_ImageGetType(dst); |
| 346 | |
| 347 | if (type != MLIB_BIT && type != MLIB_BYTE && |
| 348 | type != MLIB_SHORT && type != MLIB_USHORT && type != MLIB_INT) { |
| 349 | return MLIB_FAILURE; |
| 350 | } |
| 351 | |
| 352 | return mlib_ImageAffine_alltypes(dst, src, mtx, filter, edge, NULL); |
| 353 | } |
| 354 | |
| 355 | /***************************************************************/ |