support date:timestamp property

ImageMagick · Jun 11, 2022 · cf7dc08 · cf7dc08
1 parent f200174
commit cf7dc08
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Showing 2 changed files with 12 additions and 6 deletions.
diff --git a/coders/tiff.c b/coders/tiff.c
@@ -3214,6 +3214,16 @@ static MagickBooleanType WriteTIFFImage(const ImageInfo *image_info,
             ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
           }
       }
+    option=GetImageOption(image_info,"quantum:polarity");
+    if (option == (const char *) NULL)
+      option=GetImageArtifact(image,"tiff:photometric");
+    if (option != (const char *) NULL)
+      {
+        if (LocaleCompare(option,"min-is-black") == 0)
+          SetQuantumMinIsWhite(quantum_info,MagickFalse);
+        if (LocaleCompare(option,"min-is-white") == 0)
+          SetQuantumMinIsWhite(quantum_info,MagickTrue);
+      }
     if ((LocaleCompare(image_info->magick,"PTIF") == 0) &&
         (GetPreviousImageInList(image) != (Image *) NULL))
       (void) TIFFSetField(tiff,TIFFTAG_SUBFILETYPE,FILETYPE_REDUCEDIMAGE);
@@ -3227,17 +3237,11 @@ static MagickBooleanType WriteTIFFImage(const ImageInfo *image_info,
       case FaxCompression:
       {
         compress_tag=COMPRESSION_CCITTFAX3;
-        option=GetImageOption(image_info,"quantum:polarity");
-        if (option == (const char *) NULL)
-          SetQuantumMinIsWhite(quantum_info,MagickTrue);
         break;
       }
       case Group4Compression:
       {
         compress_tag=COMPRESSION_CCITTFAX4;
-        option=GetImageOption(image_info,"quantum:polarity");
-        if (option == (const char *) NULL)
-          SetQuantumMinIsWhite(quantum_info,MagickTrue);
         break;
       }
 #if defined(COMPRESSION_JBIG)

diff --git a/magick/constitute.c b/magick/constitute.c
@@ -829,6 +829,8 @@ MagickExport Image *ReadImage(const ImageInfo *image_info,
       }
     if (source_date_epoch == (const char *) NULL)
       {
+        (void) FormatMagickTime(GetMagickTime(),MaxTextExtent,timestamp);
+        (void) SetImageProperty(next,"date:timestamp",timestamp);
         (void) FormatMagickTime((time_t) GetBlobProperties(next)->st_mtime,
           MaxTextExtent,timestamp);
         (void) SetImageProperty(next,"date:modify",timestamp);