added support for bi-level PNG's (patch #2301; thanks to Costantino Grana)

2012-09-11 14:05:25 +04:00
parent b3408a9b3a
commit bb93651048
3 changed files with 16 additions and 6 deletions
--- a/modules/highgui/include/opencv2/highgui/highgui.hpp
+++ b/modules/highgui/include/opencv2/highgui/highgui.hpp
@@ -176,6 +176,7 @@ enum
    IMWRITE_JPEG_QUALITY =1,
    IMWRITE_PNG_COMPRESSION =16,
    IMWRITE_PNG_STRATEGY =17,
+	IMWRITE_PNG_BILEVEL =18,
    IMWRITE_PNG_STRATEGY_DEFAULT =0,
    IMWRITE_PNG_STRATEGY_FILTERED =1,
    IMWRITE_PNG_STRATEGY_HUFFMAN_ONLY =2,
--- a/modules/highgui/include/opencv2/highgui/highgui_c.h
+++ b/modules/highgui/include/opencv2/highgui/highgui_c.h
@@ -217,6 +217,7 @@ enum
    CV_IMWRITE_JPEG_QUALITY =1,
    CV_IMWRITE_PNG_COMPRESSION =16,
    CV_IMWRITE_PNG_STRATEGY =17,
+	CV_IMWRITE_PNG_BILEVEL =18,
    CV_IMWRITE_PNG_STRATEGY_DEFAULT =0,
    CV_IMWRITE_PNG_STRATEGY_FILTERED =1,
    CV_IMWRITE_PNG_STRATEGY_HUFFMAN_ONLY =2,