Update grfmt_png.cpp

This commit is contained in:
Suleyman TURKMEN 2016-06-26 16:39:19 +03:00
parent 0e436c3fe9
commit 1b22783d46

View File

@ -370,22 +370,23 @@ bool PngEncoder::write( const Mat& img, const std::vector<int>& params )
}
int compression_level = -1; // Invalid value to allow setting 0-9 as valid
int compression_strategy = Z_RLE; // Default strategy
int compression_strategy = IMWRITE_PNG_STRATEGY_RLE; // Default strategy
bool isBilevel = false;
for( size_t i = 0; i < params.size(); i += 2 )
{
if( params[i] == CV_IMWRITE_PNG_COMPRESSION )
if( params[i] == IMWRITE_PNG_COMPRESSION )
{
compression_strategy = IMWRITE_PNG_STRATEGY_DEFAULT; // Default strategy
compression_level = params[i+1];
compression_level = MIN(MAX(compression_level, 0), Z_BEST_COMPRESSION);
}
if( params[i] == CV_IMWRITE_PNG_STRATEGY )
if( params[i] == IMWRITE_PNG_STRATEGY )
{
compression_strategy = params[i+1];
compression_strategy = MIN(MAX(compression_strategy, 0), Z_FIXED);
}
if( params[i] == CV_IMWRITE_PNG_BILEVEL )
if( params[i] == IMWRITE_PNG_BILEVEL )
{
isBilevel = params[i+1] != 0;
}