Path: blob/aarch64-shenandoah-jdk8u272-b10/jdk/src/share/native/sun/awt/medialib/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_ImageColormap.h"76#include "mlib_ImageAffine.h"7778/***************************************************************/79#define FLT_SHIFT_U8 480#define FLT_MASK_U8 (((1 << 8) - 1) << 4)81#define FLT_SHIFT_S16 382#define FLT_MASK_S16 (((1 << 9) - 1) << 4)8384#define MLIB_SIGN_SHIFT 318586/***************************************************************/87#define D64mlib_u8(X) mlib_U82D64[X]88#define D64mlib_s16(X) ((mlib_d64)(X))89#define D64mlib_u16(X) ((mlib_d64)(X))90#define D64mlib_s32(X) ((mlib_d64)(X))91#define D64mlib_f32(X) ((mlib_d64)(X))92#define D64mlib_d64(X) ((mlib_d64)(X))9394/***************************************************************/95#ifdef MLIB_USE_FTOI_CLAMPING9697#define SATmlib_u8(DST, val0) \98DST = ((mlib_s32)(val0 - sat) >> 24) ^ 0x8099100#define SATmlib_s16(DST, val0) \101DST = ((mlib_s32)val0) >> 16102103#define SATmlib_u16(DST, val0) \104DST = ((mlib_s32)(val0 - sat) >> 16) ^ 0x8000105106#define SATmlib_s32(DST, val0) \107DST = val0108109#else110111#define SATmlib_u8(DST, val0) \112val0 -= sat; \113if (val0 >= MLIB_S32_MAX) \114val0 = MLIB_S32_MAX; \115if (val0 <= MLIB_S32_MIN) \116val0 = MLIB_S32_MIN; \117DST = ((mlib_s32) val0 >> 24) ^ 0x80118119#define SATmlib_s16(DST, val0) \120if (val0 >= MLIB_S32_MAX) \121val0 = MLIB_S32_MAX; \122if (val0 <= MLIB_S32_MIN) \123val0 = MLIB_S32_MIN; \124DST = (mlib_s32)val0 >> 16125126#define SATmlib_u16(DST, val0) \127val0 -= sat; \128if (val0 >= MLIB_S32_MAX) \129val0 = MLIB_S32_MAX; \130if (val0 <= MLIB_S32_MIN) \131val0 = MLIB_S32_MIN; \132DST = ((mlib_s32)val0 >> 16) ^ 0x8000133134#define SATmlib_s32(DST, val0) \135if (val0 >= MLIB_S32_MAX) \136val0 = MLIB_S32_MAX; \137if (val0 <= MLIB_S32_MIN) \138val0 = MLIB_S32_MIN; \139DST = (mlib_s32)val0140141#endif142143/***************************************************************/144#define SATmlib_f32(DST, val0) \145DST = (mlib_f32)val0146147/***************************************************************/148#define SATmlib_d64(DST, val0) \149DST = val0150151/***************************************************************/152#define MLIB_EDGE_ZERO_LINE(TYPE, Left, Right) \153dp = (TYPE*)data + channels * Left; \154dstLineEnd = (TYPE*)data + channels * Right; \155\156for (; dp < dstLineEnd; dp++) { \157*dp = zero; \158}159160/***************************************************************/161#define MLIB_EDGE_NEAREST_LINE(TYPE, Left, Right) \162dp = (TYPE*)data + channels * Left; \163size = Right - Left; \164\165for (j = 0; j < size; j++) { \166ySrc = Y >> MLIB_SHIFT; \167xSrc = X >> MLIB_SHIFT; \168sp = (TYPE*)lineAddr[ySrc] + xSrc * channels; \169\170for (k = 0; k < channels; k++) dp[k] = sp[k]; \171\172Y += dY; \173X += dX; \174dp += channels; \175}176177/***************************************************************/178#define MLIB_EDGE_BL(TYPE, Left, Right) \179dp = (TYPE*)data + channels * Left; \180size = Right - Left; \181\182for (j = 0; j < size; j++) { \183ySrc = ((Y - 32768) >> MLIB_SHIFT); \184xSrc = ((X - 32768) >> MLIB_SHIFT); \185\186t = ((X - 32768) & MLIB_MASK) * scale; \187u = ((Y - 32768) & MLIB_MASK) * scale; \188\189xDelta = (((xSrc + 1 - srcWidth )) >> MLIB_SIGN_SHIFT) & channels; \190yDelta = (((ySrc + 1 - srcHeight)) >> MLIB_SIGN_SHIFT) & srcStride; \191\192xFlag = (xSrc >> (MLIB_SIGN_SHIFT - MLIB_SHIFT)); \193xSrc = xSrc + (1 & xFlag); \194xDelta = xDelta &~ xFlag; \195\196yFlag = (ySrc >> (MLIB_SIGN_SHIFT - MLIB_SHIFT)); \197ySrc = ySrc + (1 & yFlag); \198yDelta = yDelta &~ yFlag; \199\200sp = (TYPE*)lineAddr[ySrc] + xSrc * channels; \201\202for (k = 0; k < channels; k++) { \203a00 = D64##TYPE(sp[0]); \204a01 = D64##TYPE(sp[xDelta]); \205a10 = D64##TYPE(sp[yDelta]); \206a11 = D64##TYPE(sp[yDelta + xDelta]); \207pix0 = (a00 * (1 - t) + a01 * t) * (1 - u) + \208(a10 * (1 - t) + a11 * t) * u; \209\210dp[k] = (TYPE)pix0; \211sp++; \212} \213\214X += dX; \215Y += dY; \216dp += channels; \217}218219/***************************************************************/220#define LUT(k, ind) plut[channels*sp[ind] + k]221222/***************************************************************/223#define MLIB_EDGE_INDEX(ITYPE, DTYPE, size) \224for (j = 0; j < size; j++) { \225ySrc = ((Y - 32768) >> MLIB_SHIFT); \226xSrc = ((X - 32768) >> MLIB_SHIFT); \227\228t = ((X - 32768) & MLIB_MASK) * scale; \229u = ((Y - 32768) & MLIB_MASK) * scale; \230\231xDelta = (((xSrc + 1 - srcWidth )) >> MLIB_SIGN_SHIFT) & 1; \232yDelta = (((ySrc + 1 - srcHeight)) >> MLIB_SIGN_SHIFT) & srcStride; \233\234xFlag = (xSrc >> (MLIB_SIGN_SHIFT - MLIB_SHIFT)); \235xSrc = xSrc + (1 & xFlag); \236xDelta = xDelta &~ xFlag; \237\238yFlag = (ySrc >> (MLIB_SIGN_SHIFT - MLIB_SHIFT)); \239ySrc = ySrc + (1 & yFlag); \240yDelta = yDelta &~ yFlag; \241\242sp = (ITYPE*)lineAddr[ySrc] + xSrc; \243\244for (k = 0; k < channels; k++) { \245a00 = LUT(k, 0); \246a01 = LUT(k, xDelta); \247a10 = LUT(k, yDelta); \248a11 = LUT(k, yDelta + xDelta); \249pix0 = (a00 * (1 - t) + a01 * t) * (1 - u) + \250(a10 * (1 - t) + a11 * t) * u; \251\252pbuff[k] = (mlib_s32)pix0; \253} \254pbuff += channels; \255\256X += dX; \257Y += dY; \258}259260/***************************************************************/261#define MLIB_EDGE_INDEX_u8i(ITYPE, Left, Right) { \262mlib_u8 *pbuff = buff; \263\264size = Right - Left; \265\266MLIB_EDGE_INDEX(ITYPE, mlib_u8, size); \267\268dp = (ITYPE*)data + Left; \269\270if (channels == 3) { \271if (sizeof(ITYPE) == 1) { \272mlib_ImageColorTrue2IndexLine_U8_U8_3 (buff, (void*)dp, size, colormap); \273} else { \274mlib_ImageColorTrue2IndexLine_U8_S16_3(buff, (void*)dp, size, colormap); \275} \276} else { \277if (sizeof(ITYPE) == 1) { \278mlib_ImageColorTrue2IndexLine_U8_U8_4 (buff, (void*)dp, size, colormap); \279} else { \280mlib_ImageColorTrue2IndexLine_U8_S16_4(buff, (void*)dp, size, colormap); \281} \282} \283}284285/***************************************************************/286#define MLIB_EDGE_INDEX_s16i(ITYPE, Left, Right) { \287mlib_s16 *pbuff = buff; \288\289size = Right - Left; \290\291MLIB_EDGE_INDEX(ITYPE, mlib_s16, size); \292\293dp = (ITYPE*)data + Left; \294\295if (channels == 3) { \296if (sizeof(ITYPE) == 1) { \297mlib_ImageColorTrue2IndexLine_S16_U8_3 (buff, (void*)dp, size, colormap); \298} else { \299mlib_ImageColorTrue2IndexLine_S16_S16_3(buff, (void*)dp, size, colormap); \300} \301} else { \302if (sizeof(ITYPE) == 1) { \303mlib_ImageColorTrue2IndexLine_S16_U8_4 (buff, (void*)dp, size, colormap); \304} else { \305mlib_ImageColorTrue2IndexLine_S16_S16_4(buff, (void*)dp, size, colormap); \306} \307} \308}309310/***************************************************************/311#define GET_FLT_TBL(X, xf0, xf1, xf2, xf3) \312filterpos = ((X - 32768) >> flt_shift) & flt_mask; \313fptr = (mlib_f32 *) ((mlib_u8 *)flt_tbl + filterpos); \314\315xf0 = fptr[0]; \316xf1 = fptr[1]; \317xf2 = fptr[2]; \318xf3 = fptr[3]319320/***************************************************************/321#define GET_FLT_BC(X, xf0, xf1, xf2, xf3) \322dx = ((X - 32768) & MLIB_MASK) * scale; \323dx_2 = 0.5 * dx; \324dx2 = dx * dx; \325dx3_2 = dx_2 * dx2; \326dx3_3 = 3.0 * dx3_2; \327\328xf0 = dx2 - dx3_2 - dx_2; \329xf1 = dx3_3 - 2.5 * dx2 + 1.0; \330xf2 = 2.0 * dx2 - dx3_3 + dx_2; \331xf3 = dx3_2 - 0.5 * dx2332333/***************************************************************/334#define GET_FLT_BC2(X, xf0, xf1, xf2, xf3) \335dx = ((X - 32768) & MLIB_MASK) * scale; \336dx2 = dx * dx; \337dx3_2 = dx * dx2; \338dx3_3 = 2.0 * dx2; \339\340xf0 = - dx3_2 + dx3_3 - dx; \341xf1 = dx3_2 - dx3_3 + 1.0; \342xf2 = - dx3_2 + dx2 + dx; \343xf3 = dx3_2 - dx2344345/***************************************************************/346#define CALC_SRC_POS(X, Y, channels, srcStride) \347xSrc = ((X - 32768) >> MLIB_SHIFT); \348ySrc = ((Y - 32768) >> MLIB_SHIFT); \349\350xDelta0 = ((~((xSrc - 1) >> MLIB_SIGN_SHIFT)) & (- channels)); \351yDelta0 = ((~((ySrc - 1) >> MLIB_SIGN_SHIFT)) & (- srcStride)); \352xDelta1 = ((xSrc + 1 - srcWidth) >> MLIB_SIGN_SHIFT) & (channels); \353yDelta1 = ((ySrc + 1 - srcHeight) >> MLIB_SIGN_SHIFT) & (srcStride); \354xDelta2 = xDelta1 + (((xSrc + 2 - srcWidth) >> MLIB_SIGN_SHIFT) & (channels)); \355yDelta2 = yDelta1 + (((ySrc + 2 - srcHeight) >> MLIB_SIGN_SHIFT) & (srcStride)); \356\357xFlag = (xSrc >> (MLIB_SIGN_SHIFT - MLIB_SHIFT)); \358xSrc = xSrc + (1 & xFlag); \359xDelta2 -= (xDelta1 & xFlag); \360xDelta1 = (xDelta1 &~ xFlag); \361\362yFlag = (ySrc >> (MLIB_SIGN_SHIFT - MLIB_SHIFT)); \363ySrc = ySrc + (1 & yFlag); \364yDelta2 -= (yDelta1 & yFlag); \365yDelta1 = yDelta1 &~ yFlag366367/***************************************************************/368#define MLIB_EDGE_BC_LINE(TYPE, Left, Right, GET_FILTER) \369dp = (TYPE*)data + channels * Left; \370size = Right - Left; \371\372for (j = 0; j < size; j++) { \373GET_FILTER(X, xf0, xf1, xf2, xf3); \374GET_FILTER(Y, yf0, yf1, yf2, yf3); \375\376CALC_SRC_POS(X, Y, channels, srcStride); \377\378sp = (TYPE*)lineAddr[ySrc] + channels*xSrc; \379\380for (k = 0; k < channels; k++) { \381c0 = D64##TYPE(sp[yDelta0 + xDelta0]) * xf0 + \382D64##TYPE(sp[yDelta0 ]) * xf1 + \383D64##TYPE(sp[yDelta0 + xDelta1]) * xf2 + \384D64##TYPE(sp[yDelta0 + xDelta2]) * xf3; \385\386c1 = D64##TYPE(sp[xDelta0]) * xf0 + \387D64##TYPE(sp[ 0]) * xf1 + \388D64##TYPE(sp[xDelta1]) * xf2 + \389D64##TYPE(sp[xDelta2]) * xf3; \390\391c2 = D64##TYPE(sp[yDelta1 + xDelta0]) * xf0 + \392D64##TYPE(sp[yDelta1 ]) * xf1 + \393D64##TYPE(sp[yDelta1 + xDelta1]) * xf2 + \394D64##TYPE(sp[yDelta1 + xDelta2]) * xf3; \395\396c3 = D64##TYPE(sp[yDelta2 + xDelta0]) * xf0 + \397D64##TYPE(sp[yDelta2 ]) * xf1 + \398D64##TYPE(sp[yDelta2 + xDelta1]) * xf2 + \399D64##TYPE(sp[yDelta2 + xDelta2]) * xf3; \400\401val0 = c0*yf0 + c1*yf1 + c2*yf2 + c3*yf3; \402\403SAT##TYPE(dp[k], val0); \404\405sp++; \406} \407\408X += dX; \409Y += dY; \410dp += channels; \411}412413/***************************************************************/414#define MLIB_EDGE_BC_TBL(TYPE, Left, Right) \415MLIB_EDGE_BC_LINE(TYPE, Left, Right, GET_FLT_TBL)416417/***************************************************************/418#define MLIB_EDGE_BC(TYPE, Left, Right) \419MLIB_EDGE_BC_LINE(TYPE, Left, Right, GET_FLT_BC)420421/***************************************************************/422#define MLIB_EDGE_BC2(TYPE, Left, Right) \423MLIB_EDGE_BC_LINE(TYPE, Left, Right, GET_FLT_BC2)424425/***************************************************************/426#define MLIB_EDGE_INDEX_BC(ITYPE, DTYPE, size) \427for (j = 0; j < size; j++) { \428GET_FLT_TBL(X, xf0, xf1, xf2, xf3); \429GET_FLT_TBL(Y, yf0, yf1, yf2, yf3); \430\431CALC_SRC_POS(X, Y, 1, srcStride); \432\433sp = (ITYPE*)lineAddr[ySrc] + xSrc; \434\435for (k = 0; k < channels; k++) { \436c0 = LUT(k, yDelta0 + xDelta0) * xf0 + \437LUT(k, yDelta0 ) * xf1 + \438LUT(k, yDelta0 + xDelta1) * xf2 + \439LUT(k, yDelta0 + xDelta2) * xf3; \440\441c1 = LUT(k, xDelta0) * xf0 + \442LUT(k, 0 ) * xf1 + \443LUT(k, xDelta1) * xf2 + \444LUT(k, xDelta2) * xf3; \445\446c2 = LUT(k, yDelta1 + xDelta0) * xf0 + \447LUT(k, yDelta1 ) * xf1 + \448LUT(k, yDelta1 + xDelta1) * xf2 + \449LUT(k, yDelta1 + xDelta2) * xf3; \450\451c3 = LUT(k, yDelta2 + xDelta0) * xf0 + \452LUT(k, yDelta2 ) * xf1 + \453LUT(k, yDelta2 + xDelta1) * xf2 + \454LUT(k, yDelta2 + xDelta2) * xf3; \455\456val0 = c0*yf0 + c1*yf1 + c2*yf2 + c3*yf3; \457\458SAT##DTYPE(pbuff[k], val0); \459} \460pbuff += channels; \461\462X += dX; \463Y += dY; \464}465466/***************************************************************/467#define MLIB_PROCESS_EDGES_ZERO(TYPE) { \468TYPE *dp, *dstLineEnd; \469\470for (i = yStartE; i < yStart; i++) { \471xLeftE = leftEdgesE[i]; \472xRightE = rightEdgesE[i] + 1; \473data += dstStride; \474\475MLIB_EDGE_ZERO_LINE(TYPE, xLeftE, xRightE); \476} \477\478for (; i <= yFinish; i++) { \479xLeftE = leftEdgesE[i]; \480xRightE = rightEdgesE[i] + 1; \481xLeft = leftEdges[i]; \482xRight = rightEdges[i] + 1; \483data += dstStride; \484\485if (xLeft < xRight) { \486MLIB_EDGE_ZERO_LINE(TYPE, xLeftE, xLeft); \487} else { \488xRight = xLeftE; \489} \490\491MLIB_EDGE_ZERO_LINE(TYPE, xRight, xRightE); \492} \493\494for (; i <= yFinishE; i++) { \495xLeftE = leftEdgesE[i]; \496xRightE = rightEdgesE[i] + 1; \497data += dstStride; \498\499MLIB_EDGE_ZERO_LINE(TYPE, xLeftE, xRightE); \500} \501}502503/***************************************************************/504#define MLIB_PROCESS_EDGES(PROCESS_LINE, TYPE) { \505TYPE *sp, *dp; \506mlib_s32 k, size; \507\508for (i = yStartE; i < yStart; i++) { \509xLeftE = leftEdgesE[i]; \510xRightE = rightEdgesE[i] + 1; \511X = xStartsE[i]; \512Y = yStartsE[i]; \513data += dstStride; \514\515PROCESS_LINE(TYPE, xLeftE, xRightE); \516} \517\518for (; i <= yFinish; i++) { \519xLeftE = leftEdgesE[i]; \520xRightE = rightEdgesE[i] + 1; \521xLeft = leftEdges[i]; \522xRight = rightEdges[i] + 1; \523X = xStartsE[i]; \524Y = yStartsE[i]; \525data += dstStride; \526\527if (xLeft < xRight) { \528PROCESS_LINE(TYPE, xLeftE, xLeft); \529} else { \530xRight = xLeftE; \531} \532\533X = xStartsE[i] + dX * (xRight - xLeftE); \534Y = yStartsE[i] + dY * (xRight - xLeftE); \535PROCESS_LINE(TYPE, xRight, xRightE); \536} \537\538for (; i <= yFinishE; i++) { \539xLeftE = leftEdgesE[i]; \540xRightE = rightEdgesE[i] + 1; \541X = xStartsE[i]; \542Y = yStartsE[i]; \543data += dstStride; \544\545PROCESS_LINE(TYPE, xLeftE, xRightE); \546} \547}548549/***************************************************************/550#define GET_EDGE_PARAMS_ZERO() \551mlib_image *dst = param -> dst; \552mlib_s32 *leftEdges = param -> leftEdges; \553mlib_s32 *rightEdges = param -> rightEdges; \554mlib_s32 *leftEdgesE = param_e -> leftEdges; \555mlib_s32 *rightEdgesE = param_e -> rightEdges; \556mlib_type type = mlib_ImageGetType(dst); \557mlib_s32 channels = mlib_ImageGetChannels(dst); \558mlib_s32 dstStride = mlib_ImageGetStride(dst); \559mlib_s32 yStart = param -> yStart; \560mlib_s32 yFinish = param -> yFinish; \561mlib_s32 yStartE = param_e -> yStart; \562mlib_s32 yFinishE = param_e -> yFinish; \563mlib_u8 *data = param_e -> dstData; \564mlib_s32 xLeft, xRight, xLeftE, xRightE; \565mlib_s32 i566567/***************************************************************/568#define GET_EDGE_PARAMS_NN() \569GET_EDGE_PARAMS_ZERO(); \570mlib_s32 *xStartsE = param_e -> xStarts; \571mlib_s32 *yStartsE = param_e -> yStarts; \572mlib_u8 **lineAddr = param -> lineAddr; \573mlib_s32 dX = param_e -> dX; \574mlib_s32 dY = param_e -> dY; \575mlib_s32 xSrc, ySrc, X, Y; \576mlib_s32 j577578/***************************************************************/579#define GET_EDGE_PARAMS() \580GET_EDGE_PARAMS_NN(); \581mlib_image *src = param -> src; \582mlib_s32 srcWidth = mlib_ImageGetWidth(src); \583mlib_s32 srcHeight = mlib_ImageGetHeight(src); \584mlib_s32 srcStride = mlib_ImageGetStride(src)585586/***************************************************************/587void mlib_ImageAffineEdgeZero(mlib_affine_param *param,588mlib_affine_param *param_e,589const void *colormap)590{591GET_EDGE_PARAMS_ZERO();592mlib_s32 zero = 0;593594if (colormap != NULL) {595zero = mlib_ImageGetLutOffset(colormap);596}597598switch (type) {599case MLIB_BYTE:600MLIB_PROCESS_EDGES_ZERO(mlib_u8);601break;602603case MLIB_SHORT:604case MLIB_USHORT:605MLIB_PROCESS_EDGES_ZERO(mlib_s16);606break;607608case MLIB_INT:609case MLIB_FLOAT:610MLIB_PROCESS_EDGES_ZERO(mlib_s32);611break;612613case MLIB_DOUBLE:{614mlib_d64 zero = 0;615MLIB_PROCESS_EDGES_ZERO(mlib_d64);616break;617}618default:619/* Image type MLIB_BIT is not used in java, so we can ignore it. */620break;621}622}623624/***************************************************************/625void mlib_ImageAffineEdgeNearest(mlib_affine_param *param,626mlib_affine_param *param_e)627{628GET_EDGE_PARAMS_NN();629630switch (type) {631case MLIB_BYTE:632MLIB_PROCESS_EDGES(MLIB_EDGE_NEAREST_LINE, mlib_u8);633break;634635case MLIB_SHORT:636case MLIB_USHORT:637MLIB_PROCESS_EDGES(MLIB_EDGE_NEAREST_LINE, mlib_s16);638break;639640case MLIB_INT:641case MLIB_FLOAT:642MLIB_PROCESS_EDGES(MLIB_EDGE_NEAREST_LINE, mlib_s32);643break;644645case MLIB_DOUBLE:646MLIB_PROCESS_EDGES(MLIB_EDGE_NEAREST_LINE, mlib_d64);647break;648default:649/* Image type MLIB_BIT is not used in java, so we can ignore it. */650break;651}652}653654/***************************************************************/655mlib_status mlib_ImageAffineEdgeExtend_BL(mlib_affine_param *param,656mlib_affine_param *param_e,657const void *colormap)658{659GET_EDGE_PARAMS();660mlib_d64 scale = 1.0 / (mlib_d64) MLIB_PREC;661mlib_s32 xDelta, yDelta, xFlag, yFlag;662mlib_d64 t, u, pix0;663mlib_d64 a00, a01, a10, a11;664665if (colormap != NULL) {666mlib_s32 max_xsize = param_e->max_xsize;667mlib_type ltype = mlib_ImageGetLutType(colormap);668mlib_d64 *plut = (mlib_d64 *) mlib_ImageGetLutDoubleData(colormap);669void *buff;670671channels = mlib_ImageGetLutChannels(colormap);672plut -= channels * mlib_ImageGetLutOffset(colormap);673674if (max_xsize == 0) {675return MLIB_SUCCESS;676}677678if (ltype == MLIB_BYTE) {679buff = mlib_malloc(channels * max_xsize);680}681else if (ltype == MLIB_SHORT) {682buff = mlib_malloc(channels * max_xsize * sizeof(mlib_s16));683} else {684/* Unsupported type of lookup table. Report a failure */685return MLIB_FAILURE;686}687688if (buff == NULL)689return MLIB_FAILURE;690691switch (ltype) {692case MLIB_BYTE:693switch (type) {694case MLIB_BYTE:695MLIB_PROCESS_EDGES(MLIB_EDGE_INDEX_u8i, mlib_u8);696break;697698case MLIB_SHORT:699srcStride >>= 1;700MLIB_PROCESS_EDGES(MLIB_EDGE_INDEX_u8i, mlib_s16);701break;702default:703/* Incompatible image type. Ignore it for now. */704break;705}706707break;708709case MLIB_SHORT:710switch (type) {711case MLIB_BYTE:712MLIB_PROCESS_EDGES(MLIB_EDGE_INDEX_s16i, mlib_u8);713break;714715case MLIB_SHORT:716srcStride >>= 1;717MLIB_PROCESS_EDGES(MLIB_EDGE_INDEX_s16i, mlib_s16);718break;719default:720/* Incompatible image type. Ignore it for now. */721break;722}723724break;725default:726/* Unsupported type of lookup table.727* Can not be here due to check on line 685,728* so just ignore it.729*/730break;731}732733mlib_free(buff);734735return MLIB_SUCCESS;736}737738switch (type) {739case MLIB_BYTE:740MLIB_PROCESS_EDGES(MLIB_EDGE_BL, mlib_u8);741break;742743case MLIB_SHORT:744srcStride >>= 1;745MLIB_PROCESS_EDGES(MLIB_EDGE_BL, mlib_s16);746break;747748case MLIB_USHORT:749srcStride >>= 1;750MLIB_PROCESS_EDGES(MLIB_EDGE_BL, mlib_u16);751break;752753case MLIB_INT:754srcStride >>= 2;755MLIB_PROCESS_EDGES(MLIB_EDGE_BL, mlib_s32);756break;757758case MLIB_FLOAT:759srcStride >>= 2;760MLIB_PROCESS_EDGES(MLIB_EDGE_BL, mlib_f32);761break;762763case MLIB_DOUBLE:764srcStride >>= 3;765MLIB_PROCESS_EDGES(MLIB_EDGE_BL, mlib_d64);766break;767768default:769/* Image type MLIB_BIT is not supported, ignore it. */770break;771}772773return MLIB_SUCCESS;774}775776/***************************************************************/777#undef MLIB_EDGE_INDEX778#define MLIB_EDGE_INDEX MLIB_EDGE_INDEX_BC779780mlib_status mlib_ImageAffineEdgeExtend_BC(mlib_affine_param *param,781mlib_affine_param *param_e,782const void *colormap)783{784GET_EDGE_PARAMS();785mlib_d64 scale = 1.0 / (mlib_d64) MLIB_PREC;786mlib_s32 xFlag, yFlag;787mlib_d64 dx, dx_2, dx2, dx3_2, dx3_3;788mlib_d64 xf0, xf1, xf2, xf3;789mlib_d64 yf0, yf1, yf2, yf3;790mlib_d64 c0, c1, c2, c3, val0;791mlib_type ltype;792mlib_filter filter = param->filter;793mlib_f32 *fptr;794mlib_f32 const *flt_tbl;795mlib_s32 filterpos, flt_shift, flt_mask;796mlib_s32 xDelta0, xDelta1, xDelta2;797mlib_s32 yDelta0, yDelta1, yDelta2;798mlib_d64 sat;799800ltype = (colormap != NULL) ? mlib_ImageGetLutType(colormap) : type;801802if (ltype == MLIB_BYTE) {803flt_shift = FLT_SHIFT_U8;804flt_mask = FLT_MASK_U8;805flt_tbl = (filter == MLIB_BICUBIC) ? mlib_filters_u8f_bc : mlib_filters_u8f_bc2;806sat = (mlib_d64) 0x7F800000; /* saturation for U8 */807}808else {809flt_shift = FLT_SHIFT_S16;810flt_mask = FLT_MASK_S16;811flt_tbl = (filter == MLIB_BICUBIC) ? mlib_filters_s16f_bc : mlib_filters_s16f_bc2;812sat = (mlib_d64) 0x7FFF8000; /* saturation for U16 */813}814815if (colormap != NULL) {816mlib_s32 max_xsize = param_e->max_xsize;817mlib_d64 *plut = (mlib_d64 *) mlib_ImageGetLutDoubleData(colormap);818void *buff;819820channels = mlib_ImageGetLutChannels(colormap);821plut -= channels * mlib_ImageGetLutOffset(colormap);822823if (max_xsize == 0) {824return MLIB_SUCCESS;825}826827if (ltype == MLIB_BYTE) {828buff = mlib_malloc(channels * max_xsize);829}830else if (ltype == MLIB_SHORT) {831buff = mlib_malloc(channels * max_xsize * sizeof(mlib_s16));832} else {833/* Unsupported type of lookup table. */834return MLIB_FAILURE;835}836837if (buff == NULL)838return MLIB_FAILURE;839840switch (ltype) {841case MLIB_BYTE:842switch (type) {843case MLIB_BYTE:844MLIB_PROCESS_EDGES(MLIB_EDGE_INDEX_u8i, mlib_u8);845break;846847case MLIB_SHORT:848srcStride >>= 1;849MLIB_PROCESS_EDGES(MLIB_EDGE_INDEX_u8i, mlib_s16);850break;851default:852/* Ignore incomatible image type. */853break;854}855856break;857858case MLIB_SHORT:859switch (type) {860case MLIB_BYTE:861MLIB_PROCESS_EDGES(MLIB_EDGE_INDEX_s16i, mlib_u8);862break;863864case MLIB_SHORT:865srcStride >>= 1;866MLIB_PROCESS_EDGES(MLIB_EDGE_INDEX_s16i, mlib_s16);867break;868default:869/* Ignore incomatible image type. */870break;871}872873break;874875default:876/* Unsupported type of lookup table.877* Can not be here due to check on line 836,878* so just ignore it.879*/880break;881}882883mlib_free(buff);884885return MLIB_SUCCESS;886}887888switch (type) {889case MLIB_BYTE:890MLIB_PROCESS_EDGES(MLIB_EDGE_BC_TBL, mlib_u8);891break;892893case MLIB_SHORT:894srcStride >>= 1;895MLIB_PROCESS_EDGES(MLIB_EDGE_BC_TBL, mlib_s16);896break;897898case MLIB_USHORT:899srcStride >>= 1;900MLIB_PROCESS_EDGES(MLIB_EDGE_BC_TBL, mlib_u16);901break;902903case MLIB_INT:904srcStride >>= 2;905906if (filter == MLIB_BICUBIC) {907MLIB_PROCESS_EDGES(MLIB_EDGE_BC, mlib_s32);908}909else {910MLIB_PROCESS_EDGES(MLIB_EDGE_BC2, mlib_s32);911}912913break;914915case MLIB_FLOAT:916srcStride >>= 2;917918if (filter == MLIB_BICUBIC) {919MLIB_PROCESS_EDGES(MLIB_EDGE_BC, mlib_f32);920}921else {922MLIB_PROCESS_EDGES(MLIB_EDGE_BC2, mlib_f32);923}924925break;926927case MLIB_DOUBLE:928srcStride >>= 3;929930if (filter == MLIB_BICUBIC) {931MLIB_PROCESS_EDGES(MLIB_EDGE_BC, mlib_d64);932}933else {934MLIB_PROCESS_EDGES(MLIB_EDGE_BC2, mlib_d64);935}936937break;938939default:940/* Ignore unsupported image type MLIB_BIT */941break;942}943944return MLIB_SUCCESS;945}946947/***************************************************************/948949950