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/*
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* Copyright (c) 1997, 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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* mlib_ImageLookUp - table lookup
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*
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* SYNOPSIS
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* mlib_status mlib_ImageLookUp(mlib_image *dst,
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* const mlib_image *src,
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* const void **table)
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*
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* ARGUMENT
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* dst Pointer to destination image.
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* src Pointer to source image.
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* table Lookup table.
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*
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* DESCRIPTION
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* The mlib_ImageLookUp function performs general table lookup on an
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* image. The destination image is obtained by passing a source image
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* through a lookup table.
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*
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* The source image may be 1-, 2-, 3-, or 4-channeled of data types
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* MLIB_BIT, MLIB_BYTE, MLIB_SHORT, MLIB_USHORT, or MLIB_INT. The lookup
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* table may be 1-, 2-, 3-, or 4-channeled of data types MLIB_BYTE,
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* MLIB_SHORT, MLIB_USHORT, MLIB_INT, MLIB_FLOAT, or MLIB_DOUBLE.
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* The destination image must have the same
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* number of channels as either source image or the lookup table,
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* whichever is greater, and the same data type as the lookup table.
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*
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* It is the user's responsibility to make sure that the lookup table
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* supplied is suitable for the source image. Specifically, the table
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* entries cover the entire range of source data. Otherwise, the result
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* of this function is undefined.
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*
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* The pixel values of the destination image are defined as the following:
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*
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* If the source image is single-channeled and the destination image is
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* multi-channeled, then the lookup table has the same number of channels
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* as the destination image:
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*
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* dst[x][y][c] = table[c][src[x][y][0]]
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*
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* If the source image is multi-channeled and the destination image is
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* multi-channeled, with the same number of channels as the source image,
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* then the lookup table will have the same number of channels as
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* the source image:
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*
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* dst[x][y][c] = table[c][src[x][y][c]]
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*/
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#include "mlib_image.h"
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#include "mlib_ImageCheck.h"
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#include "mlib_ImageLookUp.h"
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#include "mlib_c_ImageLookUp.h"
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/***************************************************************/
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mlib_status mlib_ImageLookUp(mlib_image *dst,
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const mlib_image *src,
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const void **table)
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{
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mlib_s32 slb, dlb, xsize, ysize, nchan, ichan, bitoff_src;
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mlib_type stype, dtype;
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void *sa, *da;
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MLIB_IMAGE_CHECK(src);
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MLIB_IMAGE_CHECK(dst);
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MLIB_IMAGE_SIZE_EQUAL(src, dst);
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MLIB_IMAGE_CHAN_SRC1_OR_EQ(src, dst);
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stype = mlib_ImageGetType(src);
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dtype = mlib_ImageGetType(dst);
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ichan = mlib_ImageGetChannels(src);
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nchan = mlib_ImageGetChannels(dst);
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xsize = mlib_ImageGetWidth(src);
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ysize = mlib_ImageGetHeight(src);
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slb = mlib_ImageGetStride(src);
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dlb = mlib_ImageGetStride(dst);
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sa = mlib_ImageGetData(src);
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da = mlib_ImageGetData(dst);
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if (ichan == nchan) {
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if (dtype == MLIB_BYTE) {
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if (stype == MLIB_BYTE) {
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mlib_c_ImageLookUp_U8_U8(sa, slb,
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da, dlb,
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xsize, ysize, nchan,
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(const mlib_u8 **) table);
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return MLIB_SUCCESS;
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} else if (stype == MLIB_SHORT) {
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mlib_c_ImageLookUp_S16_U8(sa, slb/2,
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da, dlb,
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xsize, ysize, nchan,
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(const mlib_u8 **) table);
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return MLIB_SUCCESS;
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} else if (stype == MLIB_USHORT) {
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mlib_c_ImageLookUp_U16_U8(sa, slb/2,
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da, dlb,
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xsize, ysize, nchan,
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(const mlib_u8 **) table);
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return MLIB_SUCCESS;
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} else if (stype == MLIB_INT) {
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mlib_c_ImageLookUp_S32_U8(sa, slb/4,
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da, dlb,
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xsize, ysize, nchan,
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(const mlib_u8 **) table);
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return MLIB_SUCCESS;
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} else if (stype == MLIB_BIT) {
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if (nchan != 1) return MLIB_FAILURE;
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bitoff_src = mlib_ImageGetBitOffset(src); /* bits to first byte */
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return mlib_ImageLookUp_Bit_U8_1(sa, slb,
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da, dlb,
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xsize, ysize, nchan, bitoff_src,
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(const mlib_u8 **) table);
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}
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} else if (dtype == MLIB_SHORT) {
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if (stype == MLIB_BYTE) {
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mlib_c_ImageLookUp_U8_S16(sa, slb,
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da, dlb/2,
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xsize, ysize, nchan,
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(const mlib_s16 **) table);
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return MLIB_SUCCESS;
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} else if (stype == MLIB_SHORT) {
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mlib_c_ImageLookUp_S16_S16(sa, slb/2,
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da, dlb/2,
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xsize, ysize, nchan,
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(const mlib_s16 **) table);
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return MLIB_SUCCESS;
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} else if (stype == MLIB_USHORT) {
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mlib_c_ImageLookUp_U16_S16(sa, slb/2,
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da, dlb/2,
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xsize, ysize, nchan,
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(const mlib_s16 **) table);
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return MLIB_SUCCESS;
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} else if (stype == MLIB_INT) {
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mlib_c_ImageLookUp_S32_S16(sa, slb/4,
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da, dlb/2,
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xsize, ysize, nchan,
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(const mlib_s16 **) table);
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return MLIB_SUCCESS;
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}
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} else if (dtype == MLIB_USHORT) {
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if (stype == MLIB_BYTE) {
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mlib_c_ImageLookUp_U8_U16(sa, slb,
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da, dlb/2,
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xsize, ysize, nchan,
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(const mlib_s16 **) table);
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return MLIB_SUCCESS;
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} else if (stype == MLIB_SHORT) {
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mlib_c_ImageLookUp_S16_U16(sa, slb/2,
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da, dlb/2,
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xsize, ysize, nchan,
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(const mlib_s16 **) table);
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return MLIB_SUCCESS;
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} else if (stype == MLIB_USHORT) {
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mlib_c_ImageLookUp_U16_U16(sa, slb/2,
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da, dlb/2,
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xsize, ysize, nchan,
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(const mlib_s16 **) table);
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return MLIB_SUCCESS;
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} else if (stype == MLIB_INT) {
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mlib_c_ImageLookUp_S32_U16(sa, slb/4,
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da, dlb/2,
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xsize, ysize, nchan,
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(const mlib_s16 **) table);
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return MLIB_SUCCESS;
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}
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} else if (dtype == MLIB_INT) {
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if (stype == MLIB_BYTE) {
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mlib_c_ImageLookUp_U8_S32(sa, slb,
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da, dlb/4,
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xsize, ysize, nchan,
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(const mlib_s32 **) table);
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return MLIB_SUCCESS;
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} else if (stype == MLIB_SHORT) {
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mlib_c_ImageLookUp_S16_S32(sa, slb/2,
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da, dlb/4,
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xsize, ysize, nchan,
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(const mlib_s32 **) table);
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return MLIB_SUCCESS;
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} else if (stype == MLIB_USHORT) {
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mlib_c_ImageLookUp_U16_S32(sa, slb/2,
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da, dlb/4,
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xsize, ysize, nchan,
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(const mlib_s32 **) table);
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return MLIB_SUCCESS;
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} else if (stype == MLIB_INT) {
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mlib_c_ImageLookUp_S32_S32(sa, slb/4,
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da, dlb/4,
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xsize, ysize, nchan,
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(const mlib_s32 **) table);
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return MLIB_SUCCESS;
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}
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} else if (dtype == MLIB_FLOAT) {
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260 |
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if (stype == MLIB_BYTE) {
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262 |
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mlib_c_ImageLookUp_U8_S32(sa, slb,
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da, dlb/4,
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xsize, ysize, nchan,
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(const mlib_s32 **) table);
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267 |
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return MLIB_SUCCESS;
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} else if (stype == MLIB_SHORT) {
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271 |
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mlib_c_ImageLookUp_S16_S32(sa, slb/2,
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da, dlb/4,
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xsize, ysize, nchan,
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(const mlib_s32 **) table);
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276 |
return MLIB_SUCCESS;
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277 |
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} else if (stype == MLIB_USHORT) {
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279 |
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280 |
mlib_c_ImageLookUp_U16_S32(sa, slb/2,
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da, dlb/4,
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xsize, ysize, nchan,
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(const mlib_s32 **) table);
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return MLIB_SUCCESS;
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285 |
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286 |
} else if (stype == MLIB_INT) {
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287 |
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288 |
mlib_c_ImageLookUp_S32_S32(sa, slb/4,
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da, dlb/4,
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xsize, ysize, nchan,
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291 |
(const mlib_s32 **) table);
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292 |
return MLIB_SUCCESS;
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293 |
}
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294 |
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295 |
} else if (dtype == MLIB_DOUBLE) {
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296 |
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297 |
if (stype == MLIB_BYTE) {
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298 |
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299 |
mlib_ImageLookUp_U8_D64(sa, slb,
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300 |
da, dlb/8,
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xsize, ysize, nchan,
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302 |
(const mlib_d64 **) table);
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303 |
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304 |
return MLIB_SUCCESS;
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305 |
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306 |
} else if (stype == MLIB_SHORT) {
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307 |
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308 |
mlib_ImageLookUp_S16_D64(sa, slb/2,
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309 |
da, dlb/8,
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310 |
xsize, ysize, nchan,
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311 |
(const mlib_d64 **) table);
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312 |
return MLIB_SUCCESS;
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313 |
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314 |
} else if (stype == MLIB_USHORT) {
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315 |
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316 |
mlib_ImageLookUp_U16_D64(sa, slb/2,
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317 |
da, dlb/8,
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318 |
xsize, ysize, nchan,
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319 |
(const mlib_d64 **) table);
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320 |
return MLIB_SUCCESS;
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321 |
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322 |
} else if (stype == MLIB_INT) {
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323 |
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324 |
mlib_ImageLookUp_S32_D64(sa, slb/4,
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325 |
da, dlb/8,
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326 |
xsize, ysize, nchan,
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327 |
(const mlib_d64 **) table);
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328 |
return MLIB_SUCCESS;
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329 |
}
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330 |
}
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331 |
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332 |
} else if (ichan == 1) {
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333 |
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334 |
if (dtype == MLIB_BYTE) {
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335 |
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336 |
if (stype == MLIB_BYTE) {
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337 |
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338 |
mlib_c_ImageLookUpSI_U8_U8(sa, slb,
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339 |
da, dlb,
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340 |
xsize, ysize, nchan,
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341 |
(const mlib_u8 **) table);
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342 |
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343 |
return MLIB_SUCCESS;
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344 |
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345 |
} else if (stype == MLIB_SHORT) {
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346 |
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347 |
mlib_c_ImageLookUpSI_S16_U8(sa, slb/2,
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348 |
da, dlb,
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349 |
xsize, ysize, nchan,
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350 |
(const mlib_u8 **) table);
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351 |
return MLIB_SUCCESS;
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352 |
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353 |
} else if (stype == MLIB_USHORT) {
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354 |
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|
355 |
mlib_c_ImageLookUpSI_U16_U8(sa, slb/2,
|
|
|
356 |
da, dlb,
|
|
|
357 |
xsize, ysize, nchan,
|
|
|
358 |
(const mlib_u8 **) table);
|
|
|
359 |
return MLIB_SUCCESS;
|
|
|
360 |
|
|
|
361 |
} else if (stype == MLIB_INT) {
|
|
|
362 |
|
|
|
363 |
mlib_c_ImageLookUpSI_S32_U8(sa, slb/4,
|
|
|
364 |
da, dlb,
|
|
|
365 |
xsize, ysize, nchan,
|
|
|
366 |
(const mlib_u8 **) table);
|
|
|
367 |
return MLIB_SUCCESS;
|
|
|
368 |
|
|
|
369 |
} else if (stype == MLIB_BIT) {
|
|
|
370 |
|
|
|
371 |
bitoff_src = mlib_ImageGetBitOffset(src);
|
|
|
372 |
|
|
|
373 |
if (nchan == 2) {
|
|
|
374 |
|
|
|
375 |
return mlib_ImageLookUp_Bit_U8_2(sa, slb,
|
|
|
376 |
da, dlb,
|
|
|
377 |
xsize, ysize, nchan, bitoff_src,
|
|
|
378 |
(const mlib_u8 **) table);
|
|
|
379 |
} else if (nchan == 3) {
|
|
|
380 |
|
|
|
381 |
return mlib_ImageLookUp_Bit_U8_3(sa, slb,
|
|
|
382 |
da, dlb,
|
|
|
383 |
xsize, ysize, nchan, bitoff_src,
|
|
|
384 |
(const mlib_u8 **) table);
|
|
|
385 |
|
|
|
386 |
} else /* (nchan == 4) */ {
|
|
|
387 |
|
|
|
388 |
return mlib_ImageLookUp_Bit_U8_4(sa, slb,
|
|
|
389 |
da, dlb,
|
|
|
390 |
xsize, ysize, nchan, bitoff_src,
|
|
|
391 |
(const mlib_u8 **) table);
|
|
|
392 |
}
|
|
|
393 |
}
|
|
|
394 |
|
|
|
395 |
} else if (dtype == MLIB_SHORT) {
|
|
|
396 |
|
|
|
397 |
if (stype == MLIB_BYTE) {
|
|
|
398 |
|
|
|
399 |
mlib_c_ImageLookUpSI_U8_S16(sa, slb,
|
|
|
400 |
da, dlb/2,
|
|
|
401 |
xsize, ysize, nchan,
|
|
|
402 |
(const mlib_s16 **) table);
|
|
|
403 |
|
|
|
404 |
return MLIB_SUCCESS;
|
|
|
405 |
|
|
|
406 |
} else if (stype == MLIB_SHORT) {
|
|
|
407 |
|
|
|
408 |
mlib_c_ImageLookUpSI_S16_S16(sa, slb/2,
|
|
|
409 |
da, dlb/2,
|
|
|
410 |
xsize, ysize, nchan,
|
|
|
411 |
(const mlib_s16 **) table);
|
|
|
412 |
return MLIB_SUCCESS;
|
|
|
413 |
|
|
|
414 |
} else if (stype == MLIB_USHORT) {
|
|
|
415 |
|
|
|
416 |
mlib_c_ImageLookUpSI_U16_S16(sa, slb/2,
|
|
|
417 |
da, dlb/2,
|
|
|
418 |
xsize, ysize, nchan,
|
|
|
419 |
(const mlib_s16 **) table);
|
|
|
420 |
return MLIB_SUCCESS;
|
|
|
421 |
|
|
|
422 |
} else if (stype == MLIB_INT) {
|
|
|
423 |
|
|
|
424 |
mlib_c_ImageLookUpSI_S32_S16(sa, slb/4,
|
|
|
425 |
da, dlb/2,
|
|
|
426 |
xsize, ysize, nchan,
|
|
|
427 |
(const mlib_s16 **) table);
|
|
|
428 |
return MLIB_SUCCESS;
|
|
|
429 |
}
|
|
|
430 |
|
|
|
431 |
} else if (dtype == MLIB_USHORT) {
|
|
|
432 |
|
|
|
433 |
if (stype == MLIB_BYTE) {
|
|
|
434 |
|
|
|
435 |
mlib_c_ImageLookUpSI_U8_U16(sa, slb,
|
|
|
436 |
da, dlb/2,
|
|
|
437 |
xsize, ysize, nchan,
|
|
|
438 |
(const mlib_s16 **) table);
|
|
|
439 |
|
|
|
440 |
return MLIB_SUCCESS;
|
|
|
441 |
|
|
|
442 |
} else if (stype == MLIB_SHORT) {
|
|
|
443 |
|
|
|
444 |
mlib_c_ImageLookUpSI_S16_U16(sa, slb/2,
|
|
|
445 |
da, dlb/2,
|
|
|
446 |
xsize, ysize, nchan,
|
|
|
447 |
(const mlib_u16 **) table);
|
|
|
448 |
return MLIB_SUCCESS;
|
|
|
449 |
|
|
|
450 |
} else if (stype == MLIB_USHORT) {
|
|
|
451 |
|
|
|
452 |
mlib_c_ImageLookUpSI_U16_U16(sa, slb/2,
|
|
|
453 |
da, dlb/2,
|
|
|
454 |
xsize, ysize, nchan,
|
|
|
455 |
(const mlib_u16 **) table);
|
|
|
456 |
return MLIB_SUCCESS;
|
|
|
457 |
|
|
|
458 |
} else if (stype == MLIB_INT) {
|
|
|
459 |
|
|
|
460 |
mlib_c_ImageLookUpSI_S32_U16(sa, slb/4,
|
|
|
461 |
da, dlb/2,
|
|
|
462 |
xsize, ysize, nchan,
|
|
|
463 |
(const mlib_u16 **) table);
|
|
|
464 |
return MLIB_SUCCESS;
|
|
|
465 |
}
|
|
|
466 |
|
|
|
467 |
} else if (dtype == MLIB_INT) {
|
|
|
468 |
|
|
|
469 |
if (stype == MLIB_BYTE) {
|
|
|
470 |
|
|
|
471 |
mlib_c_ImageLookUpSI_U8_S32(sa, slb,
|
|
|
472 |
da, dlb/4,
|
|
|
473 |
xsize, ysize, nchan,
|
|
|
474 |
(const mlib_s32 **) table);
|
|
|
475 |
|
|
|
476 |
return MLIB_SUCCESS;
|
|
|
477 |
|
|
|
478 |
} else if (stype == MLIB_SHORT) {
|
|
|
479 |
|
|
|
480 |
mlib_c_ImageLookUpSI_S16_S32(sa, slb/2,
|
|
|
481 |
da, dlb/4,
|
|
|
482 |
xsize, ysize, nchan,
|
|
|
483 |
(const mlib_s32 **) table);
|
|
|
484 |
return MLIB_SUCCESS;
|
|
|
485 |
|
|
|
486 |
} else if (stype == MLIB_USHORT) {
|
|
|
487 |
|
|
|
488 |
mlib_c_ImageLookUpSI_U16_S32(sa, slb/2,
|
|
|
489 |
da, dlb/4,
|
|
|
490 |
xsize, ysize, nchan,
|
|
|
491 |
(const mlib_s32 **) table);
|
|
|
492 |
return MLIB_SUCCESS;
|
|
|
493 |
|
|
|
494 |
} else if (stype == MLIB_INT) {
|
|
|
495 |
|
|
|
496 |
mlib_c_ImageLookUpSI_S32_S32(sa, slb/4,
|
|
|
497 |
da, dlb/4,
|
|
|
498 |
xsize, ysize, nchan,
|
|
|
499 |
(const mlib_s32 **) table);
|
|
|
500 |
return MLIB_SUCCESS;
|
|
|
501 |
}
|
|
|
502 |
|
|
|
503 |
} else if (dtype == MLIB_FLOAT) {
|
|
|
504 |
|
|
|
505 |
if (stype == MLIB_BYTE) {
|
|
|
506 |
|
|
|
507 |
mlib_c_ImageLookUpSI_U8_S32(sa, slb,
|
|
|
508 |
da, dlb/4,
|
|
|
509 |
xsize, ysize, nchan,
|
|
|
510 |
(const mlib_s32 **) table);
|
|
|
511 |
|
|
|
512 |
return MLIB_SUCCESS;
|
|
|
513 |
|
|
|
514 |
} else if (stype == MLIB_SHORT) {
|
|
|
515 |
|
|
|
516 |
mlib_c_ImageLookUpSI_S16_S32(sa, slb/2,
|
|
|
517 |
da, dlb/4,
|
|
|
518 |
xsize, ysize, nchan,
|
|
|
519 |
(const mlib_s32 **) table);
|
|
|
520 |
return MLIB_SUCCESS;
|
|
|
521 |
|
|
|
522 |
} else if (stype == MLIB_USHORT) {
|
|
|
523 |
|
|
|
524 |
mlib_c_ImageLookUpSI_U16_S32(sa, slb/2,
|
|
|
525 |
da, dlb/4,
|
|
|
526 |
xsize, ysize, nchan,
|
|
|
527 |
(const mlib_s32 **) table);
|
|
|
528 |
return MLIB_SUCCESS;
|
|
|
529 |
|
|
|
530 |
} else if (stype == MLIB_INT) {
|
|
|
531 |
|
|
|
532 |
mlib_c_ImageLookUpSI_S32_S32(sa, slb/4,
|
|
|
533 |
da, dlb/4,
|
|
|
534 |
xsize, ysize, nchan,
|
|
|
535 |
(const mlib_s32 **) table);
|
|
|
536 |
return MLIB_SUCCESS;
|
|
|
537 |
}
|
|
|
538 |
|
|
|
539 |
} else if (dtype == MLIB_DOUBLE) {
|
|
|
540 |
|
|
|
541 |
if (stype == MLIB_BYTE) {
|
|
|
542 |
|
|
|
543 |
mlib_ImageLookUpSI_U8_D64(sa, slb,
|
|
|
544 |
da, dlb/8,
|
|
|
545 |
xsize, ysize, nchan,
|
|
|
546 |
(const mlib_d64 **) table);
|
|
|
547 |
|
|
|
548 |
return MLIB_SUCCESS;
|
|
|
549 |
|
|
|
550 |
} else if (stype == MLIB_SHORT) {
|
|
|
551 |
|
|
|
552 |
mlib_ImageLookUpSI_S16_D64(sa, slb/2,
|
|
|
553 |
da, dlb/8,
|
|
|
554 |
xsize, ysize, nchan,
|
|
|
555 |
(const mlib_d64 **) table);
|
|
|
556 |
return MLIB_SUCCESS;
|
|
|
557 |
|
|
|
558 |
} else if (stype == MLIB_USHORT) {
|
|
|
559 |
|
|
|
560 |
mlib_ImageLookUpSI_U16_D64(sa, slb/2,
|
|
|
561 |
da, dlb/8,
|
|
|
562 |
xsize, ysize, nchan,
|
|
|
563 |
(const mlib_d64 **) table);
|
|
|
564 |
return MLIB_SUCCESS;
|
|
|
565 |
|
|
|
566 |
} else if (stype == MLIB_INT) {
|
|
|
567 |
|
|
|
568 |
mlib_ImageLookUpSI_S32_D64(sa, slb/4,
|
|
|
569 |
da, dlb/8,
|
|
|
570 |
xsize, ysize, nchan,
|
|
|
571 |
(const mlib_d64 **) table);
|
|
|
572 |
return MLIB_SUCCESS;
|
|
|
573 |
}
|
|
|
574 |
}
|
|
|
575 |
}
|
|
|
576 |
|
|
|
577 |
return MLIB_FAILURE;
|
|
|
578 |
}
|
|
|
579 |
|
|
|
580 |
/***************************************************************/
|