Path: blob/master/src/java.desktop/share/native/libmlib_image/mlib_ImageAffineEdge.c
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/*1* Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.2* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.3*4* This code is free software; you can redistribute it and/or modify it5* under the terms of the GNU General Public License version 2 only, as6* published by the Free Software Foundation. Oracle designates this7* particular file as subject to the "Classpath" exception as provided8* by Oracle in the LICENSE file that accompanied this code.9*10* This code is distributed in the hope that it will be useful, but WITHOUT11* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or12* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License13* version 2 for more details (a copy is included in the LICENSE file that14* accompanied this code).15*16* You should have received a copy of the GNU General Public License version17* 2 along with this work; if not, write to the Free Software Foundation,18* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.19*20* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA21* or visit www.oracle.com if you need additional information or have any22* questions.23*/242526/*27* FUNCTION28* mlib_ImageAffineEdgeZero - implementation of MLIB_EDGE_DST_FILL_ZERO29* edge condition30* mlib_ImageAffineEdgeNearest - implementation of MLIB_EDGE_OP_NEAREST31* edge condition32* void mlib_ImageAffineEdgeExtend_BL - implementation of MLIB_EDGE_SRC_EXTEND33* edge condition for MLIB_BILINEAR filter34* void mlib_ImageAffineEdgeExtend_BC - implementation of MLIB_EDGE_SRC_EXTEND35* edge condition for MLIB_BICUBIC filter36* void mlib_ImageAffineEdgeExtend_BC2 - implementation of MLIB_EDGE_SRC_EXTEND37* edge condition for MLIB_BICUBIC2 filter38*39* DESCRIPTION40* mlib_ImageAffineEdgeZero:41* This function fills the edge pixels (i.e. thouse one which can not42* be interpolated with given resampling filter because their prototypes43* in the source image lie too close to the border) in the destination44* image with zeroes.45*46* mlib_ImageAffineEdgeNearest:47* This function fills the edge pixels (i.e. thouse one which can not48* be interpolated with given resampling filter because their prototypes49* in the source image lie too close to the border) in the destination50* image according to the nearest neighbour interpolation.51*52* mlib_ImageAffineEdgeExtend_BL:53* This function fills the edge pixels (i.e. thouse one which can not54* be interpolated with given resampling filter because their prototypes55* in the source image lie too close to the border) in the destination56* image according to the bilinear interpolation with border pixels extend57* of source image.58*59* mlib_ImageAffineEdgeExtend_BC:60* This function fills the edge pixels (i.e. thouse one which can not61* be interpolated with given resampling filter because their prototypes62* in the source image lie too close to the border) in the destination63* image according to the bicubic interpolation with border pixels extend64* of source image.65*66* mlib_ImageAffineEdgeExtend_BC2:67* This function fills the edge pixels (i.e. thouse one which can not68* be interpolated with given resampling filter because their prototypes69* in the source image lie too close to the border) in the destination70* image according to the bicubic2 interpolation with border pixels extend71* of source image.72*/7374#include "mlib_image.h"75#include "mlib_ImageAffine.h"7677/***************************************************************/78#define FLT_SHIFT_U8 479#define FLT_MASK_U8 (((1 << 8) - 1) << 4)80#define FLT_SHIFT_S16 381#define FLT_MASK_S16 (((1 << 9) - 1) << 4)8283#define MLIB_SIGN_SHIFT 318485/***************************************************************/86#define D64mlib_u8(X) mlib_U82D64[X]87#define D64mlib_s16(X) ((mlib_d64)(X))88#define D64mlib_u16(X) ((mlib_d64)(X))89#define D64mlib_s32(X) ((mlib_d64)(X))90#define D64mlib_f32(X) ((mlib_d64)(X))91#define D64mlib_d64(X) ((mlib_d64)(X))9293/***************************************************************/94#ifdef MLIB_USE_FTOI_CLAMPING9596#define SATmlib_u8(DST, val0) \97DST = ((mlib_s32)(val0 - sat) >> 24) ^ 0x809899#define SATmlib_s16(DST, val0) \100DST = ((mlib_s32)val0) >> 16101102#define SATmlib_u16(DST, val0) \103DST = ((mlib_s32)(val0 - sat) >> 16) ^ 0x8000104105#define SATmlib_s32(DST, val0) \106DST = val0107108#else109110#define SATmlib_u8(DST, val0) \111val0 -= sat; \112if (val0 >= MLIB_S32_MAX) \113val0 = MLIB_S32_MAX; \114if (val0 <= MLIB_S32_MIN) \115val0 = MLIB_S32_MIN; \116DST = ((mlib_s32) val0 >> 24) ^ 0x80117118#define SATmlib_s16(DST, val0) \119if (val0 >= MLIB_S32_MAX) \120val0 = MLIB_S32_MAX; \121if (val0 <= MLIB_S32_MIN) \122val0 = MLIB_S32_MIN; \123DST = (mlib_s32)val0 >> 16124125#define SATmlib_u16(DST, val0) \126val0 -= sat; \127if (val0 >= MLIB_S32_MAX) \128val0 = MLIB_S32_MAX; \129if (val0 <= MLIB_S32_MIN) \130val0 = MLIB_S32_MIN; \131DST = ((mlib_s32)val0 >> 16) ^ 0x8000132133#define SATmlib_s32(DST, val0) \134if (val0 >= MLIB_S32_MAX) \135val0 = MLIB_S32_MAX; \136if (val0 <= MLIB_S32_MIN) \137val0 = MLIB_S32_MIN; \138DST = (mlib_s32)val0139140#endif141142/***************************************************************/143#define SATmlib_f32(DST, val0) \144DST = (mlib_f32)val0145146/***************************************************************/147#define SATmlib_d64(DST, val0) \148DST = val0149150/***************************************************************/151#define MLIB_EDGE_ZERO_LINE(TYPE, Left, Right) \152dp = (TYPE*)data + channels * Left; \153dstLineEnd = (TYPE*)data + channels * Right; \154\155for (; dp < dstLineEnd; dp++) { \156*dp = zero; \157}158159/***************************************************************/160#define MLIB_EDGE_NEAREST_LINE(TYPE, Left, Right) \161dp = (TYPE*)data + channels * Left; \162size = Right - Left; \163\164for (j = 0; j < size; j++) { \165ySrc = Y >> MLIB_SHIFT; \166xSrc = X >> MLIB_SHIFT; \167sp = (TYPE*)lineAddr[ySrc] + xSrc * channels; \168\169for (k = 0; k < channels; k++) dp[k] = sp[k]; \170\171Y += dY; \172X += dX; \173dp += channels; \174}175176/***************************************************************/177#define MLIB_EDGE_BL(TYPE, Left, Right) \178dp = (TYPE*)data + channels * Left; \179size = Right - Left; \180\181for (j = 0; j < size; j++) { \182ySrc = ((Y - 32768) >> MLIB_SHIFT); \183xSrc = ((X - 32768) >> MLIB_SHIFT); \184\185t = ((X - 32768) & MLIB_MASK) * scale; \186u = ((Y - 32768) & MLIB_MASK) * scale; \187\188xDelta = (((xSrc + 1 - srcWidth )) >> MLIB_SIGN_SHIFT) & channels; \189yDelta = (((ySrc + 1 - srcHeight)) >> MLIB_SIGN_SHIFT) & srcStride; \190\191xFlag = (xSrc >> (MLIB_SIGN_SHIFT - MLIB_SHIFT)); \192xSrc = xSrc + (1 & xFlag); \193xDelta = xDelta &~ xFlag; \194\195yFlag = (ySrc >> (MLIB_SIGN_SHIFT - MLIB_SHIFT)); \196ySrc = ySrc + (1 & yFlag); \197yDelta = yDelta &~ yFlag; \198\199sp = (TYPE*)lineAddr[ySrc] + xSrc * channels; \200\201for (k = 0; k < channels; k++) { \202a00 = D64##TYPE(sp[0]); \203a01 = D64##TYPE(sp[xDelta]); \204a10 = D64##TYPE(sp[yDelta]); \205a11 = D64##TYPE(sp[yDelta + xDelta]); \206pix0 = (a00 * (1 - t) + a01 * t) * (1 - u) + \207(a10 * (1 - t) + a11 * t) * u; \208\209dp[k] = (TYPE)pix0; \210sp++; \211} \212\213X += dX; \214Y += dY; \215dp += channels; \216}217218/***************************************************************/219#define GET_FLT_TBL(X, xf0, xf1, xf2, xf3) \220filterpos = ((X - 32768) >> flt_shift) & flt_mask; \221fptr = (mlib_f32 *) ((mlib_u8 *)flt_tbl + filterpos); \222\223xf0 = fptr[0]; \224xf1 = fptr[1]; \225xf2 = fptr[2]; \226xf3 = fptr[3]227228/***************************************************************/229#define GET_FLT_BC(X, xf0, xf1, xf2, xf3) \230dx = ((X - 32768) & MLIB_MASK) * scale; \231dx_2 = 0.5 * dx; \232dx2 = dx * dx; \233dx3_2 = dx_2 * dx2; \234dx3_3 = 3.0 * dx3_2; \235\236xf0 = dx2 - dx3_2 - dx_2; \237xf1 = dx3_3 - 2.5 * dx2 + 1.0; \238xf2 = 2.0 * dx2 - dx3_3 + dx_2; \239xf3 = dx3_2 - 0.5 * dx2240241/***************************************************************/242#define GET_FLT_BC2(X, xf0, xf1, xf2, xf3) \243dx = ((X - 32768) & MLIB_MASK) * scale; \244dx2 = dx * dx; \245dx3_2 = dx * dx2; \246dx3_3 = 2.0 * dx2; \247\248xf0 = - dx3_2 + dx3_3 - dx; \249xf1 = dx3_2 - dx3_3 + 1.0; \250xf2 = - dx3_2 + dx2 + dx; \251xf3 = dx3_2 - dx2252253/***************************************************************/254#define CALC_SRC_POS(X, Y, channels, srcStride) \255xSrc = ((X - 32768) >> MLIB_SHIFT); \256ySrc = ((Y - 32768) >> MLIB_SHIFT); \257\258xDelta0 = ((~((xSrc - 1) >> MLIB_SIGN_SHIFT)) & (- channels)); \259yDelta0 = ((~((ySrc - 1) >> MLIB_SIGN_SHIFT)) & (- srcStride)); \260xDelta1 = ((xSrc + 1 - srcWidth) >> MLIB_SIGN_SHIFT) & (channels); \261yDelta1 = ((ySrc + 1 - srcHeight) >> MLIB_SIGN_SHIFT) & (srcStride); \262xDelta2 = xDelta1 + (((xSrc + 2 - srcWidth) >> MLIB_SIGN_SHIFT) & (channels)); \263yDelta2 = yDelta1 + (((ySrc + 2 - srcHeight) >> MLIB_SIGN_SHIFT) & (srcStride)); \264\265xFlag = (xSrc >> (MLIB_SIGN_SHIFT - MLIB_SHIFT)); \266xSrc = xSrc + (1 & xFlag); \267xDelta2 -= (xDelta1 & xFlag); \268xDelta1 = (xDelta1 &~ xFlag); \269\270yFlag = (ySrc >> (MLIB_SIGN_SHIFT - MLIB_SHIFT)); \271ySrc = ySrc + (1 & yFlag); \272yDelta2 -= (yDelta1 & yFlag); \273yDelta1 = yDelta1 &~ yFlag274275/***************************************************************/276#define MLIB_EDGE_BC_LINE(TYPE, Left, Right, GET_FILTER) \277dp = (TYPE*)data + channels * Left; \278size = Right - Left; \279\280for (j = 0; j < size; j++) { \281GET_FILTER(X, xf0, xf1, xf2, xf3); \282GET_FILTER(Y, yf0, yf1, yf2, yf3); \283\284CALC_SRC_POS(X, Y, channels, srcStride); \285\286sp = (TYPE*)lineAddr[ySrc] + channels*xSrc; \287\288for (k = 0; k < channels; k++) { \289c0 = D64##TYPE(sp[yDelta0 + xDelta0]) * xf0 + \290D64##TYPE(sp[yDelta0 ]) * xf1 + \291D64##TYPE(sp[yDelta0 + xDelta1]) * xf2 + \292D64##TYPE(sp[yDelta0 + xDelta2]) * xf3; \293\294c1 = D64##TYPE(sp[xDelta0]) * xf0 + \295D64##TYPE(sp[ 0]) * xf1 + \296D64##TYPE(sp[xDelta1]) * xf2 + \297D64##TYPE(sp[xDelta2]) * xf3; \298\299c2 = D64##TYPE(sp[yDelta1 + xDelta0]) * xf0 + \300D64##TYPE(sp[yDelta1 ]) * xf1 + \301D64##TYPE(sp[yDelta1 + xDelta1]) * xf2 + \302D64##TYPE(sp[yDelta1 + xDelta2]) * xf3; \303\304c3 = D64##TYPE(sp[yDelta2 + xDelta0]) * xf0 + \305D64##TYPE(sp[yDelta2 ]) * xf1 + \306D64##TYPE(sp[yDelta2 + xDelta1]) * xf2 + \307D64##TYPE(sp[yDelta2 + xDelta2]) * xf3; \308\309val0 = c0*yf0 + c1*yf1 + c2*yf2 + c3*yf3; \310\311SAT##TYPE(dp[k], val0); \312\313sp++; \314} \315\316X += dX; \317Y += dY; \318dp += channels; \319}320321/***************************************************************/322#define MLIB_EDGE_BC_TBL(TYPE, Left, Right) \323MLIB_EDGE_BC_LINE(TYPE, Left, Right, GET_FLT_TBL)324325/***************************************************************/326#define MLIB_EDGE_BC(TYPE, Left, Right) \327MLIB_EDGE_BC_LINE(TYPE, Left, Right, GET_FLT_BC)328329/***************************************************************/330#define MLIB_EDGE_BC2(TYPE, Left, Right) \331MLIB_EDGE_BC_LINE(TYPE, Left, Right, GET_FLT_BC2)332333/***************************************************************/334#define MLIB_PROCESS_EDGES_ZERO(TYPE) { \335TYPE *dp, *dstLineEnd; \336\337for (i = yStartE; i < yStart; i++) { \338xLeftE = leftEdgesE[i]; \339xRightE = rightEdgesE[i] + 1; \340data += dstStride; \341\342MLIB_EDGE_ZERO_LINE(TYPE, xLeftE, xRightE); \343} \344\345for (; i <= yFinish; i++) { \346xLeftE = leftEdgesE[i]; \347xRightE = rightEdgesE[i] + 1; \348xLeft = leftEdges[i]; \349xRight = rightEdges[i] + 1; \350data += dstStride; \351\352if (xLeft < xRight) { \353MLIB_EDGE_ZERO_LINE(TYPE, xLeftE, xLeft); \354} else { \355xRight = xLeftE; \356} \357\358MLIB_EDGE_ZERO_LINE(TYPE, xRight, xRightE); \359} \360\361for (; i <= yFinishE; i++) { \362xLeftE = leftEdgesE[i]; \363xRightE = rightEdgesE[i] + 1; \364data += dstStride; \365\366MLIB_EDGE_ZERO_LINE(TYPE, xLeftE, xRightE); \367} \368}369370/***************************************************************/371#define MLIB_PROCESS_EDGES(PROCESS_LINE, TYPE) { \372TYPE *sp, *dp; \373mlib_s32 k, size; \374\375for (i = yStartE; i < yStart; i++) { \376xLeftE = leftEdgesE[i]; \377xRightE = rightEdgesE[i] + 1; \378X = xStartsE[i]; \379Y = yStartsE[i]; \380data += dstStride; \381\382PROCESS_LINE(TYPE, xLeftE, xRightE); \383} \384\385for (; i <= yFinish; i++) { \386xLeftE = leftEdgesE[i]; \387xRightE = rightEdgesE[i] + 1; \388xLeft = leftEdges[i]; \389xRight = rightEdges[i] + 1; \390X = xStartsE[i]; \391Y = yStartsE[i]; \392data += dstStride; \393\394if (xLeft < xRight) { \395PROCESS_LINE(TYPE, xLeftE, xLeft); \396} else { \397xRight = xLeftE; \398} \399\400X = xStartsE[i] + dX * (xRight - xLeftE); \401Y = yStartsE[i] + dY * (xRight - xLeftE); \402PROCESS_LINE(TYPE, xRight, xRightE); \403} \404\405for (; i <= yFinishE; i++) { \406xLeftE = leftEdgesE[i]; \407xRightE = rightEdgesE[i] + 1; \408X = xStartsE[i]; \409Y = yStartsE[i]; \410data += dstStride; \411\412PROCESS_LINE(TYPE, xLeftE, xRightE); \413} \414}415416/***************************************************************/417#define GET_EDGE_PARAMS_ZERO() \418mlib_image *dst = param -> dst; \419mlib_s32 *leftEdges = param -> leftEdges; \420mlib_s32 *rightEdges = param -> rightEdges; \421mlib_s32 *leftEdgesE = param_e -> leftEdges; \422mlib_s32 *rightEdgesE = param_e -> rightEdges; \423mlib_type type = mlib_ImageGetType(dst); \424mlib_s32 channels = mlib_ImageGetChannels(dst); \425mlib_s32 dstStride = mlib_ImageGetStride(dst); \426mlib_s32 yStart = param -> yStart; \427mlib_s32 yFinish = param -> yFinish; \428mlib_s32 yStartE = param_e -> yStart; \429mlib_s32 yFinishE = param_e -> yFinish; \430mlib_u8 *data = param_e -> dstData; \431mlib_s32 xLeft, xRight, xLeftE, xRightE; \432mlib_s32 i433434/***************************************************************/435#define GET_EDGE_PARAMS_NN() \436GET_EDGE_PARAMS_ZERO(); \437mlib_s32 *xStartsE = param_e -> xStarts; \438mlib_s32 *yStartsE = param_e -> yStarts; \439mlib_u8 **lineAddr = param -> lineAddr; \440mlib_s32 dX = param_e -> dX; \441mlib_s32 dY = param_e -> dY; \442mlib_s32 xSrc, ySrc, X, Y; \443mlib_s32 j444445/***************************************************************/446#define GET_EDGE_PARAMS() \447GET_EDGE_PARAMS_NN(); \448mlib_image *src = param -> src; \449mlib_s32 srcWidth = mlib_ImageGetWidth(src); \450mlib_s32 srcHeight = mlib_ImageGetHeight(src); \451mlib_s32 srcStride = mlib_ImageGetStride(src)452453/***************************************************************/454void mlib_ImageAffineEdgeZero(mlib_affine_param *param,455mlib_affine_param *param_e)456{457GET_EDGE_PARAMS_ZERO();458mlib_s32 zero = 0;459460switch (type) {461case MLIB_BYTE:462MLIB_PROCESS_EDGES_ZERO(mlib_u8);463break;464465case MLIB_SHORT:466case MLIB_USHORT:467MLIB_PROCESS_EDGES_ZERO(mlib_s16);468break;469470case MLIB_INT:471case MLIB_FLOAT:472MLIB_PROCESS_EDGES_ZERO(mlib_s32);473break;474475case MLIB_DOUBLE:{476mlib_d64 zero = 0;477MLIB_PROCESS_EDGES_ZERO(mlib_d64);478break;479}480default:481/* Image type MLIB_BIT is not used in java, so we can ignore it. */482break;483}484}485486/***************************************************************/487void mlib_ImageAffineEdgeNearest(mlib_affine_param *param,488mlib_affine_param *param_e)489{490GET_EDGE_PARAMS_NN();491492switch (type) {493case MLIB_BYTE:494MLIB_PROCESS_EDGES(MLIB_EDGE_NEAREST_LINE, mlib_u8);495break;496497case MLIB_SHORT:498case MLIB_USHORT:499MLIB_PROCESS_EDGES(MLIB_EDGE_NEAREST_LINE, mlib_s16);500break;501502case MLIB_INT:503case MLIB_FLOAT:504MLIB_PROCESS_EDGES(MLIB_EDGE_NEAREST_LINE, mlib_s32);505break;506507case MLIB_DOUBLE:508MLIB_PROCESS_EDGES(MLIB_EDGE_NEAREST_LINE, mlib_d64);509break;510default:511/* Image type MLIB_BIT is not used in java, so we can ignore it. */512break;513}514}515516/***************************************************************/517mlib_status mlib_ImageAffineEdgeExtend_BL(mlib_affine_param *param,518mlib_affine_param *param_e)519{520GET_EDGE_PARAMS();521mlib_d64 scale = 1.0 / (mlib_d64) MLIB_PREC;522mlib_s32 xDelta, yDelta, xFlag, yFlag;523mlib_d64 t, u, pix0;524mlib_d64 a00, a01, a10, a11;525526switch (type) {527case MLIB_BYTE:528MLIB_PROCESS_EDGES(MLIB_EDGE_BL, mlib_u8);529break;530531case MLIB_SHORT:532srcStride >>= 1;533MLIB_PROCESS_EDGES(MLIB_EDGE_BL, mlib_s16);534break;535536case MLIB_USHORT:537srcStride >>= 1;538MLIB_PROCESS_EDGES(MLIB_EDGE_BL, mlib_u16);539break;540541case MLIB_INT:542srcStride >>= 2;543MLIB_PROCESS_EDGES(MLIB_EDGE_BL, mlib_s32);544break;545546case MLIB_FLOAT:547srcStride >>= 2;548MLIB_PROCESS_EDGES(MLIB_EDGE_BL, mlib_f32);549break;550551case MLIB_DOUBLE:552srcStride >>= 3;553MLIB_PROCESS_EDGES(MLIB_EDGE_BL, mlib_d64);554break;555556default:557/* Image type MLIB_BIT is not supported, ignore it. */558break;559}560561return MLIB_SUCCESS;562}563564/***************************************************************/565mlib_status mlib_ImageAffineEdgeExtend_BC(mlib_affine_param *param,566mlib_affine_param *param_e)567{568GET_EDGE_PARAMS();569mlib_d64 scale = 1.0 / (mlib_d64) MLIB_PREC;570mlib_s32 xFlag, yFlag;571mlib_d64 dx, dx_2, dx2, dx3_2, dx3_3;572mlib_d64 xf0, xf1, xf2, xf3;573mlib_d64 yf0, yf1, yf2, yf3;574mlib_d64 c0, c1, c2, c3, val0;575mlib_filter filter = param->filter;576mlib_f32 *fptr;577mlib_f32 const *flt_tbl;578mlib_s32 filterpos, flt_shift, flt_mask;579mlib_s32 xDelta0, xDelta1, xDelta2;580mlib_s32 yDelta0, yDelta1, yDelta2;581mlib_d64 sat;582583if (type == MLIB_BYTE) {584flt_shift = FLT_SHIFT_U8;585flt_mask = FLT_MASK_U8;586flt_tbl = (filter == MLIB_BICUBIC) ? mlib_filters_u8f_bc : mlib_filters_u8f_bc2;587sat = (mlib_d64) 0x7F800000; /* saturation for U8 */588}589else {590flt_shift = FLT_SHIFT_S16;591flt_mask = FLT_MASK_S16;592flt_tbl = (filter == MLIB_BICUBIC) ? mlib_filters_s16f_bc : mlib_filters_s16f_bc2;593sat = (mlib_d64) 0x7FFF8000; /* saturation for U16 */594}595596597switch (type) {598case MLIB_BYTE:599MLIB_PROCESS_EDGES(MLIB_EDGE_BC_TBL, mlib_u8);600break;601602case MLIB_SHORT:603srcStride >>= 1;604MLIB_PROCESS_EDGES(MLIB_EDGE_BC_TBL, mlib_s16);605break;606607case MLIB_USHORT:608srcStride >>= 1;609MLIB_PROCESS_EDGES(MLIB_EDGE_BC_TBL, mlib_u16);610break;611612case MLIB_INT:613srcStride >>= 2;614615if (filter == MLIB_BICUBIC) {616MLIB_PROCESS_EDGES(MLIB_EDGE_BC, mlib_s32);617}618else {619MLIB_PROCESS_EDGES(MLIB_EDGE_BC2, mlib_s32);620}621622break;623624case MLIB_FLOAT:625srcStride >>= 2;626627if (filter == MLIB_BICUBIC) {628MLIB_PROCESS_EDGES(MLIB_EDGE_BC, mlib_f32);629}630else {631MLIB_PROCESS_EDGES(MLIB_EDGE_BC2, mlib_f32);632}633634break;635636case MLIB_DOUBLE:637srcStride >>= 3;638639if (filter == MLIB_BICUBIC) {640MLIB_PROCESS_EDGES(MLIB_EDGE_BC, mlib_d64);641}642else {643MLIB_PROCESS_EDGES(MLIB_EDGE_BC2, mlib_d64);644}645646break;647648default:649/* Ignore unsupported image type MLIB_BIT */650break;651}652653return MLIB_SUCCESS;654}655656/***************************************************************/657658659