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--- ./tools/qvfb/qanimationwriter.cpp.ori 2013-06-25 20:52:34.636153035 +0200
+++ ./tools/qvfb/qanimationwriter.cpp 2013-06-25 20:52:59.673642835 +0200
@@ -101,7 +101,15 @@
void writePNG(const TQImage& image)
{
+#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
+#warning XXXtnn not too sure about this
+/*
+according to png.h, channels is only used on read, not writes, so we
+should be able to comment this out.
+*/
+#else /* LIBPNG 1.5 */
info_ptr->channels = 4;
+#endif
png_set_sig_bytes(png_ptr, 8); // Pretend we already wrote the sig
png_set_IHDR(png_ptr, info_ptr, image.width(), image.height(),
8, image.hasAlphaBuffer()
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