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

better iiif tile naming 

We were clipping edge tiles against the size of the scaled up layer.
Instead, clip against the size of the top level image.

See https://github.com/libvips/libvips/issues/1621
This commit is contained in:
John Cupitt 2020-04-24 19:29:35 +01:00
parent 6f0548dc5c
commit efd62acccd
3 changed files with 14 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
ChangeLog
View File

@ -1,3 +1,6 @@
24/4/20 started 8.9.3
- better iiif tile naming [IllyaMoskvin]
31/1/19 started 8.9.2
- fix a deadlock with --vips-leak [DarthSim]
- better gifload behaviour for DISPOSAL_UNSPECIFIED [DarthSim]

6
configure.ac
View File

@ -2,7 +2,7 @@
# also update the version number in the m4 macros below
AC_INIT([vips], [8.9.2], [vipsip@jiscmail.ac.uk])
AC_INIT([vips], [8.9.3], [vipsip@jiscmail.ac.uk])
# required for gobject-introspection
AC_PREREQ(2.62)
@ -18,7 +18,7 @@ AC_CONFIG_MACRO_DIR([m4])
# user-visible library versioning
m4_define([vips_major_version], [8])
m4_define([vips_minor_version], [9])
m4_define([vips_micro_version], [2])
m4_define([vips_micro_version], [3])
m4_define([vips_version],
[vips_major_version.vips_minor_version.vips_micro_version])
@ -38,7 +38,7 @@ VIPS_VERSION_STRING=$VIPS_VERSION-`date -u -r ChangeLog`
# binary interface changes not backwards compatible?: reset age to 0
LIBRARY_CURRENT=54
LIBRARY_REVISION=2
LIBRARY_REVISION=3
LIBRARY_AGE=12
# patched into include/vips/version.h

10
libvips/foreign/dzsave.c
View File

@ -85,6 +85,8 @@
* - add @no_strip
* 9/11/19
* - add IIIF layout
* 24/4/20 [IllyaMoskvin]
* - better IIIF tile naming
*/
/*
@ -1357,6 +1359,7 @@ static GsfOutput *
tile_name( Layer *layer, int x, int y )
{
VipsForeignSaveDz *dz = layer->dz;
VipsForeignSave *save = (VipsForeignSave *) dz;
GsfOutput *out;
char name[VIPS_PATH_MAX];
@ -1419,13 +1422,16 @@ tile_name( Layer *layer, int x, int y )
{
/* Tiles are addressed in full resolution coordinates, so
* scale up by layer->sub and dz->tile_size
*
* We always clip against the full-sized image, not the scaled
* up layer.
*/
int left = x * dz->tile_size * layer->sub;
int top = y * dz->tile_size * layer->sub;
int width = VIPS_MIN( dz->tile_size * layer->sub,
layer->width * layer->sub - left );
save->ready->Xsize - left );
int height = VIPS_MIN( dz->tile_size * layer->sub,
layer->height * layer->sub - top );
save->ready->Ysize - top );
/* IIIF "size" is just real tile width, I think.
*