added support for 32-bit floating-point TIFF output

2017-11-20 00:11:18 +01:00
parent bc8b8902e6
commit 912f9f436b
4 changed files with 28 additions and 11 deletions
--- a/rtexif/rtexif.cc
+++ b/rtexif/rtexif.cc
@@ -3240,6 +3240,8 @@ int ExifManager::createTIFFHeader (const TagDirectory* root, const rtengine::pro
    Tag* stripOffs = new Tag (cl, lookupAttrib (ifdAttribs, "StripOffsets"));
    stripOffs->initInt (0, LONG, strips);
    cl->replaceTag (stripOffs);
+    Tag *sampleFormat = new Tag (cl, lookupAttrib (ifdAttribs, "SampleFormat"), bps == 32 ? 3 : 1, SHORT);
+    cl->replaceTag (sampleFormat);

    for (int i = 0; i < strips - 1; i++) {
        stripBC->setInt (rps * W * 3 * bps / 8, i * 4);