Add workaround for PNG files

dahernan · Mar 8, 2015 · 7a6e87c · 7a6e87c
1 parent 17b0e04
commit 7a6e87c
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diff --git a/pHash.cpp b/pHash.cpp
@@ -18,6 +18,14 @@ ph_dct_imagehash_wrapper(const char *file) {
 	return hash;
 }
 
+// Magic; without it pHash fails to compute hashes for some PNG files (compiler or linker issue?)
+void
+magic() {
+	cimg::exception_mode(3);
+	CImg<uint8_t> src;
+	src.load(NULL);
+}
+
 #ifdef __cplusplus
 }
 #endif

diff --git a/phash_test.go b/phash_test.go
@@ -16,6 +16,7 @@ var dctTestData = []struct {
 	{"testdata/jpg/gopher-flop.jpg", 17752165113623953620},
 	{"testdata/jpg/gopher-shave.jpg", 11459704921468884741},
 	{"testdata/png/gopher.png", 10631249863007147461},
+	{"testdata/png/navalny.png", 7471994969771757134},
 }
 
 var hammingTestData = []struct {

diff --git a/testdata/png/navalny.png b/testdata/png/navalny.png