1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222
|
/*
* Copyright (c) 2004, Eric M. Johnston <emj@postal.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Eric M. Johnston.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: leica.c,v 1.4 2004/04/20 22:12:51 ejohnst Exp $
*/
/*
* Exif tag definitions for Leica maker notes. Values were derived from
* a Digilux 2.
*
* Note that the Digilux 4.3's maker notes are identical to Fuji's.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "makers.h"
/* White balance. */
static struct descrip leica_white[] = {
{ 1, "Auto" },
{ 2, "Sunshine" },
{ 3, "Cloudy" },
{ 4, "Halogen" },
{ 5, "Manual" },
{ 8, "Electronic Flash" },
{ 10, "Black & White" },
{ -1, "Unknown" },
};
/* Compression rate. */
static struct descrip leica_compress[] = {
{ 2, "Low" },
{ 3, "Normal" },
{ 6, "Very Low" },
{ 7, "Raw" },
{ -1, "Unknown" },
};
/* Generic boolean. */
static struct descrip leica_bool[] = {
{ 1, "On" },
{ 2, "Off" },
{ -1, "Unknown" },
};
/* Focus mode. */
static struct descrip leica_focus[] = {
{ 1, "Auto" },
{ 2, "Manual" },
{ -1, "Unknown" },
};
/* Flash exposure compensation. */
static struct descrip leica_flashev[] = {
{ 0, "0 EV" },
{ 1, "0.33 EV" },
{ 2, "0.67 EV" },
{ 3, "1 EV" },
{ 4, "1.33 EV" },
{ 5, "1.67 EV" },
{ 6, "2 EV" },
{ 0xfffa, "-2 EV" },
{ 0xfffb, "-1.67 EV" },
{ 0xfffc, "-1.33 EV" },
{ 0xfffd, "-1 EV" },
{ 0xfffe, "-0.67 EV" },
{ 0xffff, "-0.33 EV" },
{ -1, "Unknown" },
};
/* Contrast. */
static struct descrip leica_contrast[] = {
{ 0x100, "Low" },
{ 0x110, "Standard" },
{ 0x120, "High" },
{ -1, "Unknown" },
};
/* Aperture mode. */
static struct descrip leica_aperture[] = {
{ 6, "Auto" },
{ 7, "Manual" },
{ -1, "Unknown" },
};
/* Spot autofocus. */
static struct descrip leica_spotaf[] = {
{ 256, "On" },
{ 4096, "Off" },
{ -1, "Unknown" },
};
/* Maker note IFD tags. */
static struct exiftag leica_tags[] = {
{ 0x0001, TIFF_ASCII, 8, ED_IMG, "LeicaCompress",
"Compression Rate", leica_compress },
{ 0x0003, TIFF_SHORT, 1, ED_IMG, "LeicaWhiteBal",
"White Balance", leica_white },
{ 0x0007, TIFF_SHORT, 1, ED_IMG, "LeicaFocusMode",
"Focus Mode", leica_focus },
{ 0x000f, TIFF_SHORT, 1, ED_IMG, "LeicaSpotAF",
"Spot Autofocus", leica_spotaf },
{ 0x001c, TIFF_SHORT, 1, ED_IMG, "LeicaMacro",
"Macro Mode", leica_bool },
{ 0x001f, TIFF_SHORT, 1, ED_IMG, "LeicaAperture",
"Aperture Mode", leica_aperture },
{ 0x0024, TIFF_SHORT, 1, ED_IMG, "LeicaFlashEV",
"Flash Compensation", leica_flashev },
{ 0x002c, TIFF_SHORT, 1, ED_IMG, "LeicaContrast",
"Contrast", leica_contrast },
{ 0xffff, TIFF_UNKN, 0, ED_UNK, "LeicaUnknown",
"Leica Unknown", NULL },
};
/*
* Process Leica maker note tags.
*/
void
leica_prop(struct exifprop *prop, struct exiftags *t)
{
/*
* Assume that if the property's tag set is not our Leica one,
* it must be Fuji's.
*/
if (prop->tagset != leica_tags) {
fuji_prop(prop, t);
return;
}
/* Override a couple of standard tags. */
switch (prop->tag) {
/* White balance. */
case 0x0003:
prop->override = EXIF_T_WHITEBAL;
break;
/* Contrast. */
case 0x002c:
prop->override = EXIF_T_CONTRAST;
break;
}
}
/*
* Try to read a Leica maker note IFD.
*/
struct ifd *
leica_ifd(u_int32_t offset, struct tiffmeta *md)
{
/*
* Leica maker notes start with an ID string, followed by an IFD
* offset relative to the MakerNote tag.
*
* The Digilux 4.3 seems to just spit out Fuji maker notes. So,
* go ahead and use the Fuji functions...
*/
if (!strncmp((const char *)(md->btiff + offset), "FUJIFILM", 8))
return (fuji_ifd(offset, md));
if (!strncmp((const char *)(md->btiff + offset), "LEICA", 5))
return (readifds(offset + 8, leica_tags, md));
return (readifds(offset, leica_tags, md));
}
|