Hi all,
I had to save images in BGR;15 format and suddenly found that image
quality unexpectedly and quickly degraded during convertions. Here's
the patch that fixes this problem:
Index: libImaging/Convert.c
===================================================================
--- libImaging/Convert.c (revision 277)
+++ libImaging/Convert.c (working copy)
@@ -208,7 +208,7 @@
UINT16* out = (UINT16*) out_;
for (x = 0; x < xsize; x++, in += 4)
*out++ =
- ((((UINT16)in[0])<<8)&0x7c00) +
+ ((((UINT16)in[0])<<7)&0x7c00) +
((((UINT16)in[1])<<2)&0x03e0) +
((((UINT16)in[2])>>3)&0x001f);
}
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