[krita] [Bug 445561] Krita 5 opens this PNG corrupted
https://bugs.kde.org/show_bug.cgi?id=445561 vanyossi changed: What|Removed |Added Status|REPORTED|CONFIRMED Ever confirmed|0 |1 --- Comment #3 from vanyossi --- Ok, the patch did not help as libpng is not the issue. After more testing and getting a kra behave like this I found the problem is that Krita on macos arm (Rosetta or native) 16bit integer colorspace rendering is broken. I remember reading the compiler is messing integer casting, I should check the code and see if this is the issue. Im setting to confirmed. -- You are receiving this mail because: You are watching all bug changes.
[krita] [Bug 445561] Krita 5 opens this PNG corrupted
https://bugs.kde.org/show_bug.cgi?id=445561
--- Comment #2 from amyspark ---
Does the following patch help?
```
diff --git a/libs/ui/kis_png_converter.cpp b/libs/ui/kis_png_converter.cpp
index 0ec098ff4f..6d6173623b 100644
--- a/libs/ui/kis_png_converter.cpp
+++ b/libs/ui/kis_png_converter.cpp
@@ -490,6 +490,11 @@ KisImportExportErrorCode
KisPNGConverter::buildImage(QIODevice* iod)
(png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))) {
png_set_expand(png_ptr);
}
+
+#if defined(PNG_READ_INTERLACING_SUPPORTED)
+png_set_interlace_handling(png_ptr);
+#endif
+
png_read_update_info(png_ptr, info_ptr);
// Read information about the png
```
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[krita] [Bug 445561] Krita 5 opens this PNG corrupted
https://bugs.kde.org/show_bug.cgi?id=445561 amyspark changed: What|Removed |Added CC||a...@amyspark.me --- Comment #1 from amyspark --- File imports correctly on Windows (fd399d7a20 (upstream/krita/5.0, krita/5.0) ASL: reasign UUID for resources that share one). However, the following is logged: libpng warning: Interlace handling should be turned on when using png_read_image -- You are receiving this mail because: You are watching all bug changes.
