sergiotarxz/libvips
sergiotarxz/libvips
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import fixes

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This commit is contained in:
John Cupitt 2010-01-13 18:03:27 +00:00
parent b83ecb0175
commit 34a9b50d33
1 changed files with 40 additions and 10 deletions
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50
tools/iofuncs/vipsthumbnail.c
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@ -4,6 +4,7 @@
* *
* 13/1/09 * 13/1/09
* - don't shrink images that are already tiny * - don't shrink images that are already tiny
* - decode labq and rad images
*/ */
#ifdef HAVE_CONFIG_H #ifdef HAVE_CONFIG_H
@ -150,7 +151,8 @@ sharpen_filter( void )
static int static int
shrink_factor( IMAGE *in, IMAGE *out ) shrink_factor( IMAGE *in, IMAGE *out )
{ {
IMAGE *t[5]; IMAGE *t[8];
IMAGE *x;
int shrink; int shrink;
double residual; double residual;
@ -161,26 +163,54 @@ shrink_factor( IMAGE *in, IMAGE *out )
printf( "residual scale by %g\n", residual ); printf( "residual scale by %g\n", residual );
} }
if( im_open_local_array( out, t, 5, "thumbnail", "p" ) || if( im_open_local_array( out, t, 9, "thumbnail", "p" ) )
im_shrink( in, t[0], shrink, shrink ) || return( -1 );
im_affinei_all( t[0], t[1], x = in;
/* Unpack the two coded formats we support to float for processing.
*/
if( x->Coding == IM_CODING_LABQ ) {
if( verbose )
printf( "unpacking LAB to RGB\n" );
if( im_LabQ2disp( x, t[1], im_col_displays( 7 ) ) )
return( -1 );
x = t[1];
}
else if( x->Coding == IM_CODING_RAD ) {
if( verbose )
printf( "unpacking Rad to float\n" );
if( im_rad2float( x, t[1] ) )
return( -1 );
x = t[1];
}
/* Shrink and sharpen.
*/
if( im_shrink( x, t[2], shrink, shrink ) ||
im_affinei_all( t[2], t[3],
vips_interpolate_bilinear_static(), vips_interpolate_bilinear_static(),
residual, 0, 0, residual, 0, 0 ) || residual, 0, 0, residual, 0, 0 ) ||
im_conv( t[1], t[2], sharpen_filter() ) ) im_conv( t[3], t[4], sharpen_filter() ) )
return( -1 ); return( -1 );
x = t[4];
if( colour_profile && im_header_get_typeof( t[2], IM_META_ICC_NAME ) ) { /* Optionally transform to the target device space, provided the image
if( im_icc_import_embedded( t[2], t[3], * has a profile.
*/
if( colour_profile && im_header_get_typeof( x, IM_META_ICC_NAME ) ) {
if( im_icc_import_embedded( x, t[5],
IM_INTENT_RELATIVE_COLORIMETRIC ) || IM_INTENT_RELATIVE_COLORIMETRIC ) ||
im_icc_export_depth( t[3], t[4], im_icc_export_depth( t[5], t[6],
8, colour_profile, 8, colour_profile,
IM_INTENT_RELATIVE_COLORIMETRIC ) ) IM_INTENT_RELATIVE_COLORIMETRIC ) )
return( -1 ); return( -1 );
t[2] = t[4]; x = t[6];
} }
if( im_copy( t[2], out ) ) if( im_copy( x, out ) )
return( -1 ); return( -1 );
return( 0 ); return( 0 );