2 * Copyright (C) 2005 John Ellis
3 * Copyright (C) 2008 - 2016 The Geeqie Team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
35 #include "format_olympus.h"
36 #include "format_raw.h"
42 *-----------------------------------------------------------------------------
43 * Raw ORF embedded jpeg extraction for Olympus
44 *-----------------------------------------------------------------------------
47 static guint olympus_tiff_table(guchar *data, const guint len, guint offset, ExifByteOrder bo,
49 guint *image_offset, guint *exif_offset);
52 static void olympus_tiff_entry(guchar *data, const guint len, guint offset, ExifByteOrder bo,
54 guint *image_offset, guint *exif_offset)
62 tag = exif_byte_get_int16(data + offset + EXIF_TIFD_OFFSET_TAG, bo);
63 type = exif_byte_get_int16(data + offset + EXIF_TIFD_OFFSET_FORMAT, bo);
64 count = exif_byte_get_int32(data + offset + EXIF_TIFD_OFFSET_COUNT, bo);
66 /* so far, we only care about tags with type long */
67 if (type != EXIF_FORMAT_LONG_UNSIGNED && type != EXIF_FORMAT_LONG) return;
69 seg_len = ExifFormatList[type].size * count;
72 segment = exif_byte_get_int32(data + offset + EXIF_TIFD_OFFSET_DATA, bo);
73 if (segment + seg_len > len) return;
77 segment = offset + EXIF_TIFD_OFFSET_DATA;
82 /* start of embedded jpeg, not all olympus cameras embed a jpeg */
83 *image_offset = exif_byte_get_int32(data + segment, bo);
88 /* This is the Exif info */
89 *exif_offset = exif_byte_get_int32(data + segment, bo);
93 static guint olympus_tiff_table(guchar *data, const guint len, guint offset, ExifByteOrder bo,
95 guint *image_offset, guint *exif_offset)
100 if (level > EXIF_TIFF_MAX_LEVELS) return 0;
102 if (len < offset + 2) return FALSE;
104 count = exif_byte_get_int16(data + offset, bo);
106 if (len < offset + count * EXIF_TIFD_SIZE + 4) return 0;
108 for (i = 0; i < count; i++)
110 olympus_tiff_entry(data, len, offset + i * EXIF_TIFD_SIZE, bo, level,
111 image_offset, exif_offset);
114 return exif_byte_get_int32(data + offset + count * EXIF_TIFD_SIZE, bo);
117 gboolean format_olympus_raw(guchar *data, const guint len,
118 guint *image_offset, guint *exif_offset)
125 if (len < 8) return FALSE;
127 /* these are in tiff file format with a different magick header */
128 if (memcmp(data, "IIR", 3) != 0) return FALSE;
130 offset = exif_byte_get_int32(data + 4, EXIF_BYTE_ORDER_INTEL);
133 while (offset && level < EXIF_TIFF_MAX_LEVELS)
135 offset = olympus_tiff_table(data, len, offset, EXIF_BYTE_ORDER_INTEL, 0, &i_off, &e_off);
139 if (i_off != 0 || e_off != 0)
141 if (image_offset) *image_offset = i_off;
142 if (exif_offset) *exif_offset = e_off;
151 *-----------------------------------------------------------------------------
152 * EXIF Makernote for Olympus
153 *-----------------------------------------------------------------------------
156 static ExifTextList KonMinTagColorMode[]= {
158 { 1, "black and white" },
160 { 3, "solarization" },
165 static ExifTextList KonMinTagQuality[]= {
174 static ExifTextList OlympusTagJpegQuality[]= {
181 static ExifTextList OlympusTagMacro[]= {
189 static ExifTextList OlympusTagFlashMode[]= {
191 { 1, "red-eye reduction" },
197 static ExifTextList OlympusTagFocusMode[]= {
203 static ExifTextList OlympusTagSharpness[]= {
210 static ExifTextList OlympusTagContrast[]= {
218 static ExifMarker OlympusExifMarkersList[] = {
219 { 0x0001, EXIF_FORMAT_LONG_UNSIGNED, -1, "Konica/MinoltaSettings", "Konica / Minolta settings", NULL },
220 { 0x0003, EXIF_FORMAT_LONG_UNSIGNED, -1, "Konica/MinoltaSettings", "Konica / Minolta settings", NULL },
221 { 0x0040, EXIF_FORMAT_LONG_UNSIGNED, -1, "CompressedImageSize", "Compressed image size", NULL },
222 { 0x0081, EXIF_FORMAT_LONG_UNSIGNED, 1, "ThumbnailOffset", "Thumbnail offset", NULL },
223 { 0x0088, EXIF_FORMAT_LONG_UNSIGNED, 1, "ThumbnailOffset", "Thumbnail offset", NULL },
224 { 0x0089, EXIF_FORMAT_LONG_UNSIGNED, 1, "ThumbnailLength", "Thumbnail length", NULL },
225 { 0x0101, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Konica/Minolta.ColorMode", "Color mode", KonMinTagColorMode },
226 { 0x0102, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Konica/Minolta.Quality", "Quality", KonMinTagQuality },
227 { 0x0103, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Konica/Minolta.Quality", "Quality", KonMinTagQuality },
228 { 0x0200, EXIF_FORMAT_LONG_UNSIGNED, 3, "Olympus.SpecialMode", "Special mode", NULL },
229 { 0x0201, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.JpegQuality", "Jpeg quality", OlympusTagJpegQuality },
230 { 0x0202, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.Macro", "Macro", OlympusTagMacro },
231 { 0x0204, EXIF_FORMAT_RATIONAL_UNSIGNED, 1, "Olympus.DigitalZoom", "Digital zoom", NULL },
232 { 0x0207, EXIF_FORMAT_STRING, -1, "Olympus.Firmware", "Firmware version", NULL },
233 { 0x0208, EXIF_FORMAT_STRING, -1, "Olympus.PictureInfo", "Picture info", NULL },
234 { 0x0209, EXIF_FORMAT_UNDEFINED, -1, "Olympus.CameraID", "Camera ID", NULL },
235 { 0x020b, EXIF_FORMAT_LONG_UNSIGNED, 1, "Epson.ImageWidth", "Image width", NULL },
236 { 0x020c, EXIF_FORMAT_LONG_UNSIGNED, 1, "Epson.ImageHeight", "Image height", NULL },
237 { 0x020d, EXIF_FORMAT_STRING, -1, "Epson.Manufacturer", "Manufacturer", NULL },
238 { 0x0e00, EXIF_FORMAT_BYTE, -1, "Olympus.PrintImageMatching", "Print image matching", NULL },
239 { 0x1004, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.FlashMode", "Flash mode", OlympusTagFlashMode },
240 { 0x1006, EXIF_FORMAT_RATIONAL, 1, "Olympus.Bracket", "Bracket", NULL },
241 { 0x100b, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.FocusMode", "Focus mode", OlympusTagFocusMode },
242 { 0x100c, EXIF_FORMAT_RATIONAL_UNSIGNED, 1, "Olympus.FocusDistance", "Focus distance", NULL },
243 { 0x100d, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.Zoom", "Zoom", NULL },
244 { 0x1006, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.MacroFocus", "Macro focus", NULL },
245 { 0x100f, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.Sharpness", "Sharpness", OlympusTagSharpness },
246 { 0x1011, EXIF_FORMAT_SHORT_UNSIGNED, 9, "Olympus.ColorMatrix", "Color matrix", NULL },
247 { 0x1012, EXIF_FORMAT_SHORT_UNSIGNED, 4, "Olympus.BlackLevel", "Black level", NULL },
248 { 0x1015, EXIF_FORMAT_SHORT_UNSIGNED, 2, "Olympus.WhiteBalance", "White balance", NULL },
249 { 0x1017, EXIF_FORMAT_SHORT_UNSIGNED, 2, "Olympus.RedBias", "Red bias", NULL },
250 { 0x1018, EXIF_FORMAT_SHORT_UNSIGNED, 2, "Olympus.BlueBias", "Blue bias", NULL },
251 { 0x101a, EXIF_FORMAT_STRING, -1, "Olympus.SerialNumber", "Serial number", NULL },
252 { 0x1023, EXIF_FORMAT_RATIONAL, 1, "Olympus.FlashBias", "Flash bias", NULL },
253 { 0x1029, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.Contrast", "Contrast", OlympusTagContrast },
254 { 0x102a, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.SharpnessFactor", "Sharpness factor", NULL },
255 { 0x102b, EXIF_FORMAT_SHORT_UNSIGNED, 6, "Olympus.ColorControl", "Color control", NULL },
256 { 0x102c, EXIF_FORMAT_SHORT_UNSIGNED, 2, "Olympus.ValidBits", "Valid bits", NULL },
257 { 0x102d, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.CoringFilter", "Coring filter", NULL },
258 { 0x102e, EXIF_FORMAT_LONG_UNSIGNED, 1, "Olympus.FinalWidth", "Final width", NULL },
259 { 0x102f, EXIF_FORMAT_LONG_UNSIGNED, 1, "Olympus.FinalHeight", "Final height", NULL },
260 { 0x1034, EXIF_FORMAT_SHORT_UNSIGNED, 1, "Olympus.CompressionRatio", "Compression ratio", NULL },
264 static ExifTextList OlympusShootingMode[]= {
272 static ExifTextList OlympusPanoramaDirection[]= {
273 { 1, "left to right" },
274 { 2, "right to left" },
275 { 3, "bottom to top" },
276 { 4, "top to bottom" },
280 static ExifTextList OlympusWB[]= {
287 static ExifTextList OlympusWBColorTemp[]= {
298 gboolean format_olympus_makernote(ExifData *exif, guchar *tiff, guint offset,
299 guint size, ExifByteOrder bo)
304 if (offset + 8 + 4 >= size) return FALSE;
306 data = tiff + offset;
308 /* Olympus tag format starts with "OLYMP\x00\x01" or "OLYMP\x00\x02",
309 * plus an unknown byte,
310 * followed by IFD data using Olympus tags.
312 if (memcmp(data, "OLYMP\x00\x01", 7) != 0 &&
313 memcmp(data, "OLYMP\x00\x02", 7) != 0) return FALSE;
315 if (exif_parse_IFD_table(exif, tiff, offset + 8, size,
316 bo, 0, OlympusExifMarkersList) != 0)
321 item = exif_get_item(exif, "Olympus.SpecialMode");
322 if (item && item->data_len == 3 * sizeof(guint32))
324 static ExifMarker marker = { 0x0200, EXIF_FORMAT_STRING, -1,
325 "Olympus.ShootingMode", "Shooting mode", NULL };
326 guint32 *array = item->data;
332 mode = exif_text_list_find_value(OlympusShootingMode, array[0]);
335 pdir = exif_text_list_find_value(OlympusPanoramaDirection, array[2]);
338 text = g_strdup_printf("%s%s%s, seq %d", mode,
339 (pdir) ? " " : "", (pdir) ? pdir : "",
341 l = strlen(text) + 1;
342 item = exif_item_new(marker.format, marker.tag, l, &marker);
343 memcpy(item->data, text, l);
349 exif->items = g_list_prepend(exif->items, item);
352 item = exif_get_item(exif, "Olympus.WhiteBalance");
353 if (item && item->data_len == 2 * sizeof(guint16))
355 static ExifMarker marker = { 0x1015, EXIF_FORMAT_STRING, -1,
356 "Olympus.WhiteBalance", "White balance", NULL };
357 guint16 *array = item->data;
363 mode = exif_text_list_find_value(OlympusWB, array[0]);
366 color = exif_text_list_find_value(OlympusWBColorTemp, array[1]);
369 text = g_strdup_printf("%s%s%s", mode,
370 (color) ? " " : "", (color) ? color : "");
371 l = strlen(text) + 1;
372 item = exif_item_new(marker.format, marker.tag, l, &marker);
373 memcpy(item->data, text, l);
379 exif->items = g_list_prepend(exif->items, item);
388 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */