sergiotarxz/libvips
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

revise old comment

Browse Source
This commit is contained in:
John Cupitt 2021-05-25 14:06:47 +01:00
parent fc8dbfdb44
commit dca526405e
1 changed files with 8 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
libvips/conversion/zoom.c
View File

@ -52,20 +52,9 @@
*/
/*
* TODO:
* Test for pixel size and use memcpy() on individual pixels once they reach
* sizes of the order of tens of bytes. char-wise copy is quicker than
* memcpy() for smaller pixels.
*
* Also, I haven't tested it but int-wise copying may be faster still, as
* long as alignment permits it.
*
* tcv. 2006-09-01
*/
/* Turn on ADDR() range checks.
#define DEBUG 1
/*
#define DEBUG
#define DEBUG_VERBOSE
*/
#ifdef HAVE_CONFIG_H
@ -254,6 +243,11 @@ vips_zoom_gen( VipsRegion *or, void *seq, void *a, void *b, gboolean *stop )
int left, right, top, bottom;
int width, height;
#ifdef DEBUG_VERBOSE
printf( "vips_zoom_gen: left=%d, top=%d, width=%d, height=%d\n",
r->left, r->top, r->width, r->height );
#endif /*DEBUG_VERBOSE*/
/* Area of input we need. We have to round out, as we may have
* part-pixels all around the edges.
*/