backend: Add GetBlc helper

Add a helper to fetch the black level params.

Signed-off-by: Naushir Patuck <[email protected]>

Author: naushir

src/libpisp/backend/backend.cpp

@@ -147,6 +147,11 @@ void BackEnd::SetBlc(pisp_bla_config const &blc)
 	be_config_.dirty_flags_bayer |= PISP_BE_BAYER_ENABLE_BLC;
 }
 
+void BackEnd::GetBlc(pisp_bla_config &blc) const
+{
+	blc = be_config_.blc;
+}
+
 void BackEnd::SetStitchInputFormat(pisp_image_format_config const &stitch_input_format)
 {
 	be_config_.stitch_input_format = stitch_input_format;

src/libpisp/backend/backend.hpp

@@ -72,6 +72,7 @@ class BackEnd
 	void GetTdnOutputFormat(pisp_image_format_config &tdn_output_format) const;
 	void SetSdn(pisp_be_sdn_config const &sdn);
 	void SetBlc(pisp_bla_config const &blc);
+	void GetBlc(pisp_bla_config &blc) const;
 	void SetStitchInputFormat(pisp_image_format_config const &stitch_input_format);
 	void GetStitchInputFormat(pisp_image_format_config &stitch_input_format) const;
 	void SetStitchDecompress(pisp_decompress_config const &stitch_decompress);