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/*
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* Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* FUNCTION
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* Image affine transformation with Bicubic filtering
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* SYNOPSIS
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* mlib_status mlib_ImageAffine_[s32|f32|d64]_?ch_bc
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* (mlib_s32 *leftEdges,
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* mlib_s32 *rightEdges,
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* mlib_s32 *xStarts,
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* mlib_s32 *yStarts,
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* mlib_s32 *sides,
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* mlib_u8 *dstData,
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* mlib_u8 **lineAddr,
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* mlib_s32 dstYStride,
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* mlib_s32 is_affine,
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* mlib_s32 srcYStride,
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* mlib_filter filter)
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*
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* ARGUMENTS
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* leftEdges array[dstHeight] of xLeft coordinates
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* RightEdges array[dstHeight] of xRight coordinates
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* xStarts array[dstHeight] of xStart * 65536 coordinates
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* yStarts array[dstHeight] of yStart * 65536 coordinates
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* sides output array[4]. sides[0] is yStart, sides[1] is yFinish,
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* sides[2] is dx * 65536, sides[3] is dy * 65536
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* dstData pointer to the first pixel on (yStart - 1) line
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* lineAddr array[srcHeight] of pointers to the first pixel on
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* the corresponding lines
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* dstYStride stride of destination image
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* is_affine indicator (Affine - GridWarp)
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* srcYStride stride of source image
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* filter type of resampling filter
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*
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* DESCRIPTION
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* The functions step along the lines from xLeft to xRight and apply
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* the Bicubic and Bicubic2 filtering.
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*
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*/
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#include "mlib_ImageAffine.h"
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#define IMG_TYPE 3
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/***************************************************************/
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#if IMG_TYPE == 3
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#define DTYPE mlib_s32
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#define FTYPE mlib_d64
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#define FUN_NAME(CHAN) mlib_ImageAffine_s32_##CHAN##_bc
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#define STORE(res, x) SAT32(res)
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#elif IMG_TYPE == 4
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#define DTYPE mlib_f32
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#define FTYPE DTYPE
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#define FUN_NAME(CHAN) mlib_ImageAffine_f32_##CHAN##_bc
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#define STORE(res, x) res = (x)
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#elif IMG_TYPE == 5
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#define DTYPE mlib_d64
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#define FTYPE DTYPE
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#define FUN_NAME(CHAN) mlib_ImageAffine_d64_##CHAN##_bc
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#define STORE(res, x) res = (x)
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#endif
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/***************************************************************/
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#define CREATE_COEF_BICUBIC( X, Y, OPERATOR ) \
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dx = (X & MLIB_MASK) * scale; \
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dy = (Y & MLIB_MASK) * scale; \
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dx_2 = ((FTYPE)0.5) * dx; \
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dy_2 = ((FTYPE)0.5) * dy; \
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dx2 = dx * dx; dy2 = dy * dy; \
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dx3_2 = dx_2 * dx2; dy3_2 = dy_2 * dy2; \
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dx3_3 = ((FTYPE)3.0) * dx3_2; \
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dy3_3 = ((FTYPE)3.0) * dy3_2; \
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\
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xf0 = dx2 - dx3_2 - dx_2; \
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xf1 = dx3_3 - ((FTYPE)2.5) * dx2 + ((FTYPE)1.0); \
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xf2 = ((FTYPE)2.0) * dx2 - dx3_3 + dx_2; \
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xf3 = dx3_2 - ((FTYPE)0.5) * dx2; \
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\
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OPERATOR; \
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\
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yf0 = dy2 - dy3_2 - dy_2; \
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yf1 = dy3_3 - ((FTYPE)2.5) * dy2 + ((FTYPE)1.0); \
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yf2 = ((FTYPE)2.0) * dy2 - dy3_3 + dy_2; \
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yf3 = dy3_2 - ((FTYPE)0.5) * dy2
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/***************************************************************/
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#define CREATE_COEF_BICUBIC_2( X, Y, OPERATOR ) \
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dx = (X & MLIB_MASK) * scale; \
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dy = (Y & MLIB_MASK) * scale; \
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dx2 = dx * dx; dy2 = dy * dy; \
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dx3_2 = dx * dx2; dy3_2 = dy * dy2; \
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dx3_3 = ((FTYPE)2.0) * dx2; \
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dy3_3 = ((FTYPE)2.0) * dy2; \
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\
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xf0 = dx3_3 - dx3_2 - dx; \
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xf1 = dx3_2 - dx3_3 + ((FTYPE)1.0); \
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xf2 = dx2 - dx3_2 + dx; \
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xf3 = dx3_2 - dx2; \
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\
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OPERATOR; \
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\
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yf0 = dy3_3 - dy3_2 - dy; \
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yf1 = dy3_2 - dy3_3 + ((FTYPE)1.0); \
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yf2 = dy2 - dy3_2 + dy; \
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yf3 = dy3_2 - dy2
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/***************************************************************/
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mlib_status FUN_NAME(1ch)(mlib_affine_param *param)
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{
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DECLAREVAR_BC();
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DTYPE *dstLineEnd;
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for (j = yStart; j <= yFinish; j++) {
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FTYPE xf0, xf1, xf2, xf3;
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FTYPE yf0, yf1, yf2, yf3;
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FTYPE dx, dx_2, dx2, dx3_2, dx3_3;
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FTYPE dy, dy_2, dy2, dy3_2, dy3_3;
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FTYPE c0, c1, c2, c3, val0;
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FTYPE scale = 1 / 65536.f;
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FTYPE s0, s1, s2, s3;
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FTYPE s4, s5, s6, s7;
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CLIP(1);
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dstLineEnd = (DTYPE *) dstData + xRight;
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if (filter == MLIB_BICUBIC) {
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CREATE_COEF_BICUBIC(X, Y,;
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);
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}
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else {
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CREATE_COEF_BICUBIC_2(X, Y,;
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);
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}
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xSrc = (X >> MLIB_SHIFT) - 1;
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ySrc = (Y >> MLIB_SHIFT) - 1;
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srcPixelPtr = ((DTYPE **) lineAddr)[ySrc] + xSrc;
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s0 = srcPixelPtr[0];
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s1 = srcPixelPtr[1];
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s2 = srcPixelPtr[2];
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s3 = srcPixelPtr[3];
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srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride);
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s4 = srcPixelPtr[0];
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s5 = srcPixelPtr[1];
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s6 = srcPixelPtr[2];
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s7 = srcPixelPtr[3];
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if (filter == MLIB_BICUBIC) {
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for (; dstPixelPtr <= (dstLineEnd - 1); dstPixelPtr++) {
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X += dX;
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Y += dY;
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c0 = (s0 * xf0 + s1 * xf1 + s2 * xf2 + s3 * xf3);
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c1 = (s4 * xf0 + s5 * xf1 + s6 * xf2 + s7 * xf3);
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srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride);
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c2 = (srcPixelPtr[0] * xf0 + srcPixelPtr[1] * xf1 +
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srcPixelPtr[2] * xf2 + srcPixelPtr[3] * xf3);
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srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride);
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c3 = (srcPixelPtr[0] * xf0 + srcPixelPtr[1] * xf1 +
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srcPixelPtr[2] * xf2 + srcPixelPtr[3] * xf3);
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CREATE_COEF_BICUBIC(X, Y, val0 = (c0 * yf0 + c1 * yf1 + c2 * yf2 + c3 * yf3));
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STORE(dstPixelPtr[0], val0);
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xSrc = (X >> MLIB_SHIFT) - 1;
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ySrc = (Y >> MLIB_SHIFT) - 1;
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srcPixelPtr = ((DTYPE **) lineAddr)[ySrc] + xSrc;
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s0 = srcPixelPtr[0];
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s1 = srcPixelPtr[1];
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s2 = srcPixelPtr[2];
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s3 = srcPixelPtr[3];
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srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride);
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s4 = srcPixelPtr[0];
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s5 = srcPixelPtr[1];
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s6 = srcPixelPtr[2];
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s7 = srcPixelPtr[3];
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}
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}
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else {
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for (; dstPixelPtr <= (dstLineEnd - 1); dstPixelPtr++) {
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X += dX;
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Y += dY;
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c0 = (s0 * xf0 + s1 * xf1 + s2 * xf2 + s3 * xf3);
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c1 = (s4 * xf0 + s5 * xf1 + s6 * xf2 + s7 * xf3);
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srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride);
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c2 = (srcPixelPtr[0] * xf0 + srcPixelPtr[1] * xf1 +
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srcPixelPtr[2] * xf2 + srcPixelPtr[3] * xf3);
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srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride);
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c3 = (srcPixelPtr[0] * xf0 + srcPixelPtr[1] * xf1 +
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srcPixelPtr[2] * xf2 + srcPixelPtr[3] * xf3);
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CREATE_COEF_BICUBIC_2(X, Y, val0 = (c0 * yf0 + c1 * yf1 + c2 * yf2 + c3 * yf3));
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STORE(dstPixelPtr[0], val0);
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xSrc = (X >> MLIB_SHIFT) - 1;
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ySrc = (Y >> MLIB_SHIFT) - 1;
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srcPixelPtr = ((DTYPE **) lineAddr)[ySrc] + xSrc;
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s0 = srcPixelPtr[0];
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s1 = srcPixelPtr[1];
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s2 = srcPixelPtr[2];
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s3 = srcPixelPtr[3];
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srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride);
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s4 = srcPixelPtr[0];
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s5 = srcPixelPtr[1];
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s6 = srcPixelPtr[2];
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s7 = srcPixelPtr[3];
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}
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}
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c0 = (s0 * xf0 + s1 * xf1 + s2 * xf2 + s3 * xf3);
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c1 = (s4 * xf0 + s5 * xf1 + s6 * xf2 + s7 * xf3);
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srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride);
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c2 = (srcPixelPtr[0] * xf0 + srcPixelPtr[1] * xf1 +
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srcPixelPtr[2] * xf2 + srcPixelPtr[3] * xf3);
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srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride);
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c3 = (srcPixelPtr[0] * xf0 + srcPixelPtr[1] * xf1 +
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srcPixelPtr[2] * xf2 + srcPixelPtr[3] * xf3);
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val0 = (c0 * yf0 + c1 * yf1 + c2 * yf2 + c3 * yf3);
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STORE(dstPixelPtr[0], val0);
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}
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return MLIB_SUCCESS;
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}
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/***************************************************************/
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mlib_status FUN_NAME(2ch)(mlib_affine_param *param)
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{
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DECLAREVAR_BC();
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DTYPE *dstLineEnd;
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for (j = yStart; j <= yFinish; j++) {
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FTYPE xf0, xf1, xf2, xf3;
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FTYPE yf0, yf1, yf2, yf3;
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FTYPE dx, dx_2, dx2, dx3_2, dx3_3;
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FTYPE dy, dy_2, dy2, dy3_2, dy3_3;
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FTYPE c0, c1, c2, c3, val0;
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FTYPE scale = 1 / 65536.f;
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FTYPE s0, s1, s2, s3;
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FTYPE s4, s5, s6, s7;
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mlib_s32 k;
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CLIP(2);
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dstLineEnd = (DTYPE *) dstData + 2 * xRight;
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for (k = 0; k < 2; k++) {
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mlib_s32 X1 = X;
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mlib_s32 Y1 = Y;
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DTYPE *dPtr = dstPixelPtr + k;
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if (filter == MLIB_BICUBIC) {
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CREATE_COEF_BICUBIC(X1, Y1,;
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);
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}
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else {
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CREATE_COEF_BICUBIC_2(X1, Y1,;
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);
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}
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xSrc = (X1 >> MLIB_SHIFT) - 1;
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ySrc = (Y1 >> MLIB_SHIFT) - 1;
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srcPixelPtr = ((DTYPE **) lineAddr)[ySrc] + 2 * xSrc + k;
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s0 = srcPixelPtr[0];
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s1 = srcPixelPtr[2];
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s2 = srcPixelPtr[4];
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s3 = srcPixelPtr[6];
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srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride);
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s4 = srcPixelPtr[0];
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s5 = srcPixelPtr[2];
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s6 = srcPixelPtr[4];
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s7 = srcPixelPtr[6];
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if (filter == MLIB_BICUBIC) {
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for (; dPtr <= (dstLineEnd - 1); dPtr += 2) {
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X1 += dX;
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Y1 += dY;
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c0 = (s0 * xf0 + s1 * xf1 + s2 * xf2 + s3 * xf3);
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c1 = (s4 * xf0 + s5 * xf1 + s6 * xf2 + s7 * xf3);
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srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride);
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c2 = (srcPixelPtr[0] * xf0 + srcPixelPtr[2] * xf1 +
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srcPixelPtr[4] * xf2 + srcPixelPtr[6] * xf3);
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srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride);
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c3 = (srcPixelPtr[0] * xf0 + srcPixelPtr[2] * xf1 +
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srcPixelPtr[4] * xf2 + srcPixelPtr[6] * xf3);
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CREATE_COEF_BICUBIC(X1, Y1, val0 = (c0 * yf0 + c1 * yf1 + c2 * yf2 + c3 * yf3));
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STORE(dPtr[0], val0);
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xSrc = (X1 >> MLIB_SHIFT) - 1;
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ySrc = (Y1 >> MLIB_SHIFT) - 1;
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srcPixelPtr = ((DTYPE **) lineAddr)[ySrc] + 2 * xSrc + k;
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s0 = srcPixelPtr[0];
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s1 = srcPixelPtr[2];
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s2 = srcPixelPtr[4];
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s3 = srcPixelPtr[6];
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srcPixelPtr = (DTYPE *) ((mlib_u8 *) srcPixelPtr + srcYStride);
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s4 = srcPixelPtr[0];
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s5 = srcPixelPtr[2];
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s6 = srcPixelPtr[4];
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s7 = srcPixelPtr[6];
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}
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}
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else {
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for (; dPtr <= (dstLineEnd - 1); dPtr += 2) {
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|
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 |
/***************************************************************/
|