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stuff

This commit is contained in:
John Cupitt 2009-10-31 10:18:58 +00:00
parent f18a3ccdc7
commit f1f0f9acbb
4 changed files with 51 additions and 94 deletions
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5
TODO
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@ -1,3 +1,8 @@
- im_disp2XYZ() makes a new set of lookup tables for every call, argh
maybe use disp->name to get built tables from a hash? I think we can say
names need to be unique
- more stuff from util.c? too much to do it all now
- maybe im_insertplaceset() should be im_insertset()? it's not an inplace

4
libvips/colour/im_dE00_fromLab.c
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@ -38,10 +38,8 @@
#endif /*HAVE_CONFIG_H*/
#include <vips/intl.h>
#include <stdio.h>
#include <math.h>
#include <vips/vips.h>
#include <vips/internal.h>
#ifdef WITH_DMALLOC
#include <dmalloc.h>

59
libvips/colour/im_dECMC_fromLab.c
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@ -1,14 +1,10 @@
/* @(#) Calculate dECMC from two Lab images
* @(#)
* @(#) Usage:
* @(#) im_dECMC_fromLab( im1, im2, im_out )
* @(#) IMAGE *im1, *im2, *im_out;
* @(#)
* @(#) float out.
* @(#)
* @(#) Returns: -1 on error, else 0
/* im_dECMC_fromLab.c
*
* 5/8/98 JC
* - oops, wasn't testing input args correctly
* 30/10/09
* - use im__colour_binary()
* - gtkdoc comment
*/
/*
@ -42,10 +38,8 @@
#endif /*HAVE_CONFIG_H*/
#include <vips/intl.h>
#include <stdio.h>
#include <math.h>
#include <vips/vips.h>
#include <vips/internal.h>
#ifdef WITH_DMALLOC
#include <dmalloc.h>
@ -75,36 +69,25 @@ imb_dECMC_fromLab( float **p, float *q, int n )
}
}
/**
* im_dECMC_fromLab:
* @in1: first input image
* @in2: second input image
* @out: output image
*
* Calculate dE CMC from two Lab images.
*
* Returns: 0 on success, -1 on error.
*/
int
im_dECMC_fromLab( IMAGE *im1, IMAGE *im2, IMAGE *out )
im_dECMC_fromLab( IMAGE *in1, IMAGE *in2, IMAGE *out )
{
IMAGE *invec[3];
/* Check input types.
*/
if( im1->Bands != 3 || im1->BandFmt != IM_BANDFMT_FLOAT ||
im1->Coding != IM_CODING_NONE ||
im2->Bands != 3 || im2->BandFmt != IM_BANDFMT_FLOAT ||
im2->Coding != IM_CODING_NONE ) {
im_error( "im_dECMC_fromLab", "%s", _( "3-band float only" ) );
return( -1 );
}
/* Prepare the output image
*/
if( im_cp_descv( out, im1, im2, NULL ) )
return( -1 );
out->Bbits = IM_BBITS_FLOAT;
out->Bands = 1;
out->BandFmt = IM_BANDFMT_FLOAT;
out->Type = IM_TYPE_B_W;
/* Do the processing.
*/
invec[0] = im1; invec[1] = im2; invec[2] = NULL;
if( im_wrapmany( invec, out,
if( im__colour_binary( "im_dECMC_fromLab",
in1, in2, 1, out,
(im_wrapmany_fn) imb_dECMC_fromLab, NULL, NULL ) )
return( -1 );
out->Type = IM_TYPE_B_W;
return( 0 );
}

77
libvips/colour/im_dE_fromLab.c
View File

@ -1,15 +1,11 @@
/* @(#) Calculate dE (CIELAB standard) from two LAB images.
* @(#)
* @(#) Usage:
* @(#) im_dE_fromLab( im1, *im2, im_out )
* @(#) IMAGE *im1, *im2, *im_out;
* @(#)
* @(#) float out.
* @(#)
* @(#) Returns: -1 on error, else 0
/* im_dE_fromLab.c
*
* Modified:
* 16/11/94 JC
* - partialed!
* 31/10/09
* - use im__colour_binary()
* - gtkdoc comment
*/
/*
@ -43,10 +39,8 @@
#endif /*HAVE_CONFIG_H*/
#include <vips/intl.h>
#include <stdio.h>
#include <math.h>
#include <vips/vips.h>
#include <vips/internal.h>
#ifdef WITH_DMALLOC
#include <dmalloc.h>
@ -62,56 +56,33 @@ imb_dE_fromLab( float **p, float *q, int n )
int x;
for( x = 0; x < n; x++ ) {
float L1 = p1[0];
float a1 = p1[1];
float b1 = p1[2];
float L2 = p2[0];
float a2 = p2[1];
float b2 = p2[2];
float dL, da, db;
q[x] = im_col_pythagoras(
p1[0], p1[1], p1[2], p2[0], p2[1], p2[2] );
p1 += 3;
p2 += 3;
dL = L1 - L2;
da = a1 - a2;
db = b1 - b2;
*q++ = sqrt( dL*dL + da*da + db*db );
}
}
/**
* im_dE_fromLab:
* @in1: first input image
* @in2: second input image
* @out: output image
*
* Calculate CIE dE 1976 from two Lab images.
*
* Returns: 0 on success, -1 on error.
*/
int
im_dE_fromLab( IMAGE *im1, IMAGE *im2, IMAGE *out )
{
IMAGE *invec[3];
/* Check input image.
*/
if( im1->Bands != 3 || im1->BandFmt != IM_BANDFMT_FLOAT ||
im1->Coding != IM_CODING_NONE ||
im2->Bands != 3 || im2->BandFmt != IM_BANDFMT_FLOAT ||
im2->Coding != IM_CODING_NONE ) {
im_error( "im_dE_fromLab", "%s",
_( "inputs should be 3 band float") );
return( -1 );
}
/* Prepare the output image
*/
if( im_cp_descv( out, im1, im2, NULL ) )
return( -1 );
out->Bbits = IM_BBITS_FLOAT;
out->Bands = 1;
out->BandFmt = IM_BANDFMT_FLOAT;
out->Type = IM_TYPE_B_W;
/* Do the processing.
*/
invec[0] = im1; invec[1] = im2; invec[2] = NULL;
if( im_wrapmany( invec, out,
im_dE_fromLab( IMAGE *in1, IMAGE *in2, IMAGE *out )
{
if( im__colour_binary( "im_dE_fromLab",
in1, in2, 1, out,
(im_wrapmany_fn) imb_dE_fromLab, NULL, NULL ) )
return( -1 );
out->Type = IM_TYPE_B_W;
return( 0 );
}