From: jiyong.min <jiyong.min@samsung.com>
Date: Mon, 15 Jun 2020 00:09:50 +0000 (+0900)
Subject: add converting grayscale image into defaults when generating thumbnail
X-Git-Tag: accepted/tizen/unified/20200624.130223~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1e6afabcfcbd25e4ae931a60a36efdcb9a03e7ae;p=platform%2Fcore%2Fmultimedia%2Flibmm-utility.git

add converting grayscale image into defaults when generating thumbnail

  Problem. A thumbnail of grayscale image was not visible
  - Cause: Grayscale image was not supported by graphics
  - Solution: Add converting grayscale into defaults(rgb or true-color)

Change-Id: Ibaa1617834de6646e673b6bbc82ae8ec403b5788
---

diff --git a/magick/mm_util_magick.c b/magick/mm_util_magick.c
index 44babdb..b2a7eae 100644
--- a/magick/mm_util_magick.c
+++ b/magick/mm_util_magick.c
@@ -1194,6 +1194,7 @@ int mm_util_resize_and_rotate_P_P(const char *src_path, unsigned int req_width,
 	Image *_image = NULL;
 	Image *_resized_image = NULL;
 	Image *_rotated_image = NULL;
+	Image *_write_image = NULL;
 	ExceptionInfo exception;
 	mm_util_rotate_type_e rotation = MM_UTIL_ROTATE_0;
 
@@ -1255,7 +1256,18 @@ int mm_util_resize_and_rotate_P_P(const char *src_path, unsigned int req_width,
 		}
 	}
 
-	ret = __mm_util_write_image_to_file(((_rotated_image) ? _rotated_image : _resized_image), dst_path);
+	_write_image = (_rotated_image) ? _rotated_image : _resized_image;
+
+	/* problem. a thumbnail of grayscale image is invisible
+	   add converting grayscale image into rgb(jpeg) or true color(png)
+	   the rgb(jpeg) and true-color(png) are default(else case) value.
+	 */
+	if (IsGrayImage(_write_image, &exception)) {
+		mm_util_info("IsGrayImage, convert image into rgb(jpeg)/true-color(png).");
+		_write_image->is_grayscale = MagickFalse;
+	}
+
+	ret = __mm_util_write_image_to_file(_write_image, dst_path);
 
 ERROR: