add the cropbox parameter

Signed-off-by: Anton Dukhovnikov <antond@wetafx.co.nz>

include/rawtoaces/rawtoaces_util.h

@@ -82,6 +82,7 @@ class ImageConverter
     bool  half_size                = false;
     int   highlight_mode           = 0;
     int   flip                     = 0;
+    int   cropbox[4]               = { 0, 0, 0, 0 };
 
     int verbosity;
 

src/rawtoaces_util2/rawtoaces_util.cpp

@@ -215,6 +215,14 @@ void ImageConverter::initArgParse()
         .defaultval( 0 )
         .action( OIIO::ArgParse::store<int>() );
 
+    _argParse.arg( "--cropbox" )
+        .help(
+            "Apply custom crop. If not present, the default crop is applied, "
+            "which should match the crop of the in-camera JPEG." )
+        .nargs( 4 )
+        .metavar( "X Y W H" )
+        .action( OIIO::ArgParse::store<int>() );
+
     _argParse.arg( "--flip" )
         .help(
             "If not 0, override the orientation specified in the metadata. "
@@ -521,6 +529,13 @@ bool ImageConverter::parse( int argc, const char *argv[] )
                     customMatrix[i][j] = i == j ? 1.0 : 0.0;
         } );
 
+    auto crop = _argParse["cropbox"].as_vec<int>();
+    if ( crop.size() == 4 )
+    {
+        for ( size_t i = 0; i < 4; i++ )
+            cropbox[i] = crop[i];
+    }
+
     no_auto_bright           = _argParse["no-auto-bright"].get<int>();
     adjust_maximum_threshold = _argParse["adjust-maximum-threshold"].get<int>();
     black_level              = _argParse["black-level"].get<int>();
@@ -550,6 +565,12 @@ bool ImageConverter::configure( const std::string &input_filename )
     _inputHint["raw:flip"]               = flip;
     _inputHint["raw:HighlightMode"]      = highlight_mode;
 
+    if ( cropbox[2] != 0 && cropbox[3] != 0 )
+    {
+        _inputHint.attribute(
+            "raw:cropbox", OIIO::TypeDesc( OIIO::TypeDesc::INT, 4 ), cropbox );
+    }
+
     auto imageInput = OIIO::ImageInput::create( "raw", false, &_inputHint );
     imageInput->open( input_filename, _inputFull, _inputHint );