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small comment polish

This commit is contained in:
John Cupitt 2021-02-27 16:00:33 +00:00
parent 0b74acf7ba
commit 303513e52d
2 changed files with 10 additions and 10 deletions
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1
ChangeLog
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@ -8,6 +8,7 @@
- fix build with more modern librsvg [lovell]
- fix a possible segv with very wide images [f1ac]
- revise premultiply, again [jjonesrs]
- revise profile handling in vipsthumbnail
18/12/20 started 8.10.5
- fix potential /0 in animated webp load [lovell]

19
libvips/resample/thumbnail.c
View File

@ -694,12 +694,12 @@ vips_thumbnail_build( VipsObject *object )
/* In linear mode, we need to transform to a linear space before
* vips_resize().
*
* If we are doing colour management (there's an import profile),
* then we use XYZ PCS as the resize space.
*/
have_imported = FALSE;
if( thumbnail->linear ) {
/* If we are doing colour management (there's an import
* profile), then we can use XYZ PCS as the resize space.
*/
if( in->Coding == VIPS_CODING_NONE &&
(in->BandFmt == VIPS_FORMAT_UCHAR ||
in->BandFmt == VIPS_FORMAT_USHORT) &&
@ -717,7 +717,6 @@ vips_thumbnail_build( VipsObject *object )
"pcs", VIPS_PCS_XYZ,
NULL ) )
return( -1 );
in = t[1];
have_imported = TRUE;
@ -771,16 +770,16 @@ vips_thumbnail_build( VipsObject *object )
if( vips_image_hasalpha( in ) &&
hshrink != 1.0 &&
vshrink != 1.0 ) {
g_info( "premultiplying alpha" );
if( vips_premultiply( in, &t[3], NULL ) )
return( -1 );
have_premultiplied = TRUE;
/* vips_premultiply() makes a float image. When we
* vips_unpremultiply() below, we need to cast back to the
* pre-premultiplied format.
*/
g_info( "premultiplying alpha" );
have_premultiplied = TRUE;
unpremultiplied_format = in->BandFmt;
if( vips_premultiply( in, &t[3], NULL ) )
return( -1 );
in = t[3];
}
@ -838,7 +837,7 @@ vips_thumbnail_build( VipsObject *object )
}
}
else if( thumbnail->export_profile ) {
/* Not imported, but we are doing colourmanagement. Transform
/* Not imported, but we are doing colour management. Transform
* to the output space.
*/
g_info( "transforming to %s", thumbnail->export_profile );