Revision: 8298
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=8298&view=rev
Author: mdboom
Date: 2010-05-06 18:40:31 +0000 (Thu, 06 May 2010)
Log Message:
-----------
Fix PNG resolution metadata.
Modified Paths:
--------------
trunk/matplotlib/src/_png.cpp
Modified: trunk/matplotlib/src/_png.cpp
===================================================================
--- trunk/matplotlib/src/_png.cpp 2010-05-06 13:32:47 UTC (rev 8297)
+++ trunk/matplotlib/src/_png.cpp 2010-05-06 18:40:31 UTC (rev 8298)
@@ -140,7 +140,7 @@
// Save the dpi of the image in the file
if (args.size() == 5) {
double dpi = Py::Float(args[4]);
- size_t dots_per_meter = (size_t)(dpi / (2.54 / 100.0));
+ size_t dots_per_meter = (size_t)(dpi * 2.54 * 100.0);
png_set_pHYs(png_ptr, info_ptr, dots_per_meter, dots_per_meter,
PNG_RESOLUTION_METER);
}
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