Merge pull request #15 from radarhere/patch-2

manisandro · manisandro · commit 36b56d1f034e · 2015-07-28T13:47:07.000+02:00
Corrected interpretation of 1-bit image colours
diff --git a/_sane.c b/_sane.c
@@ -485,7 +485,7 @@ SaneDev_snap(SaneDevObject *self, PyObject *args)
           if(p.depth == 1)
             {
               for(i = 0; i < imgBytesPerLine; ++i)
-                imgBuf[imgBufOffset + i] = lineBuf[i / 8] & (0x80 >> (i % 8)) ? 0 : 255;
+                imgBuf[imgBufOffset + i] = lineBuf[i / 8] & (0x80 >> (i % 8)) ? 255 : 0;
             }
           else if(p.depth == 8)
             {

Original file line number	Diff line number	Diff line change
`@@ -485,7 +485,7 @@ SaneDev_snap(SaneDevObject self, PyObject args)`
`485`	`485`	`if(p.depth == 1)`
`486`	`486`	`{`
`487`	`487`	`for(i = 0; i < imgBytesPerLine; ++i)`
`488`		`- imgBuf[imgBufOffset + i] = lineBuf[i / 8] & (0x80 >> (i % 8)) ? 0 : 255;`
	`488`	`+ imgBuf[imgBufOffset + i] = lineBuf[i / 8] & (0x80 >> (i % 8)) ? 255 : 0;`
`489`	`489`	`}`
`490`	`490`	`else if(p.depth == 8)`
`491`	`491`	`{`