add B_W as a source / target for vips_colourspace()
This commit is contained in:
John Cupitt
parent
74dc3cf6ef
commit
112ca9ec21
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@ -34,6 +34,7 @@
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- redone freq filter builders as classes
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- redone im_fwfft(), im_invfft(), im_freqflt(), im_disp_ps(), im_fractsurf(),
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im_phasecor() as classes
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- vips_colourspace() allows B_W as a target/source
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9/1/14 started 7.36.6
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- fix some clang compiler warnings
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34
TODO
34
TODO
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@ -18,43 +18,9 @@
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need new API For this, since interpolators currently work for any image
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- do morph quickly as simple wrappers over the vips7 operations
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- do restrict on some more packages, we've just done arithmetic so far
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how about avg? do we need -ffast-math to vec that?
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yes we do, though it doesn't seem any faster
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how about avg? do we need -ffast-math to vec that?
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yes we do, though it doesn't seem any faster
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perhaps because it only vecs the innermost loop across bands and it's
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too short to trigger the vec code
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try swapping the loops over ... inner loop across width, outer across
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bands
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but then we'd have an unknown stride
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need to special-case 1 band and 3 band images
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or use orc to gen code at operator build
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does this mean we should revert the removal of orc from arithmetic?
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not seen more than x2 from auto-vec of abs(), perhaps the bool ops?
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- seen some leaks from
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vips dzsave --layout google wtc.jpg x
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@ -2,6 +2,8 @@
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*
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* 6/11/12
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* - add RGB16 as a destination
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* 12/1/14
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* - add B_W as a target
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*/
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/*
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@ -55,6 +57,32 @@ vips_scRGB2RGB16( VipsImage *in, VipsImage **out, ... )
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return( vips_scRGB2sRGB( in, out, "depth", 16, NULL ) );
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}
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static int
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vips_sRGB2BW( VipsImage *in, VipsImage **out, ... )
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{
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if( vips_extract_band( in, out, 1, NULL ) )
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return( -1 );
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(*out)->Type = VIPS_INTERPRETATION_B_W;
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return( 0 );
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}
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static int
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vips_BW2sRGB( VipsImage *in, VipsImage **out, ... )
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{
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VipsImage *t[3];
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t[0] = in;
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t[1] = in;
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t[2] = in;
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if( vips_bandjoin( t, out, 3, NULL ) )
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return( -1 );
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(*out)->Type = VIPS_INTERPRETATION_sRGB;
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return( 0 );
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}
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/* A colour-transforming function.
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*/
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typedef int (*VipsColourTransformFn)( VipsImage *in, VipsImage **out, ... );
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@ -65,8 +93,6 @@ typedef int (*VipsColourTransformFn)( VipsImage *in, VipsImage **out, ... );
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#define MAX_STEPS (10)
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/* A route between two colour spaces.
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*
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* 10 steps should be enough for anyone.
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*/
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typedef struct _VipsColourRoute {
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VipsInterpretation from;
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@ -87,6 +113,7 @@ typedef struct _VipsColourRoute {
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#define sRGB VIPS_INTERPRETATION_sRGB
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#define RGB16 VIPS_INTERPRETATION_RGB16
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#define YXY VIPS_INTERPRETATION_YXY
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#define BW VIPS_INTERPRETATION_B_W
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/* All the routes we know about.
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*/
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@ -98,6 +125,7 @@ static VipsColourRoute vips_colour_routes[] = {
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{ XYZ, LABS, { vips_XYZ2Lab, vips_Lab2LabS, NULL } },
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{ XYZ, scRGB, { vips_XYZ2scRGB, NULL } },
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{ XYZ, sRGB, { vips_XYZ2scRGB, vips_scRGB2sRGB, NULL } },
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{ XYZ, BW, { vips_XYZ2scRGB, vips_scRGB2sRGB, vips_sRGB2BW, NULL } },
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{ XYZ, RGB16, { vips_XYZ2scRGB, vips_scRGB2RGB16, NULL } },
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{ XYZ, YXY, { vips_XYZ2Yxy, NULL } },
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@ -108,6 +136,8 @@ static VipsColourRoute vips_colour_routes[] = {
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{ LAB, LABS, { vips_Lab2LabS, NULL } },
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{ LAB, scRGB, { vips_Lab2XYZ, vips_XYZ2scRGB, NULL } },
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{ LAB, sRGB, { vips_Lab2XYZ, vips_XYZ2scRGB, vips_scRGB2sRGB, NULL } },
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{ LAB, BW, { vips_Lab2XYZ, vips_XYZ2scRGB, vips_scRGB2sRGB,
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vips_sRGB2BW, NULL } },
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{ LAB, RGB16, { vips_Lab2XYZ, vips_XYZ2scRGB,
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vips_scRGB2RGB16, NULL } },
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{ LAB, YXY, { vips_Lab2XYZ, vips_XYZ2Yxy, NULL } },
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@ -119,6 +149,7 @@ static VipsColourRoute vips_colour_routes[] = {
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{ LABQ, LABS, { vips_LabQ2LabS, NULL } },
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{ LABQ, scRGB, { vips_LabQ2Lab, vips_Lab2XYZ, vips_XYZ2scRGB } },
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{ LABQ, sRGB, { vips_LabQ2sRGB, NULL } },
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{ LABQ, BW, { vips_LabQ2sRGB, vips_sRGB2BW, NULL } },
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{ LABQ, RGB16, { vips_LabQ2Lab, vips_Lab2XYZ, vips_XYZ2scRGB,
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vips_scRGB2RGB16, NULL } },
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{ LABQ, YXY, { vips_LabQ2Lab, vips_Lab2XYZ, vips_XYZ2Yxy, NULL } },
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@ -131,6 +162,8 @@ static VipsColourRoute vips_colour_routes[] = {
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{ LCH, scRGB, { vips_LCh2Lab, vips_Lab2XYZ, vips_XYZ2scRGB, NULL } },
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{ LCH, sRGB, { vips_LCh2Lab, vips_Lab2XYZ, vips_XYZ2scRGB,
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vips_scRGB2sRGB, NULL } },
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{ LCH, BW, { vips_LCh2Lab, vips_Lab2XYZ, vips_XYZ2scRGB,
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vips_scRGB2sRGB, vips_sRGB2BW, NULL } },
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{ LCH, RGB16, { vips_LCh2Lab, vips_Lab2XYZ, vips_XYZ2scRGB,
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vips_scRGB2RGB16, NULL } },
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{ LCH, YXY, { vips_LCh2Lab, vips_Lab2XYZ, vips_XYZ2Yxy, NULL } },
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@ -144,6 +177,8 @@ static VipsColourRoute vips_colour_routes[] = {
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vips_XYZ2scRGB, NULL } },
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{ CMC, sRGB, { vips_CMC2LCh, vips_LCh2Lab, vips_Lab2XYZ,
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vips_XYZ2scRGB, vips_scRGB2sRGB, NULL } },
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{ CMC, BW, { vips_CMC2LCh, vips_LCh2Lab, vips_Lab2XYZ,
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vips_XYZ2scRGB, vips_scRGB2sRGB, vips_sRGB2BW, NULL } },
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{ CMC, RGB16, { vips_CMC2LCh, vips_LCh2Lab, vips_Lab2XYZ,
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vips_XYZ2scRGB, vips_scRGB2RGB16, NULL } },
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{ CMC, YXY, { vips_CMC2LCh, vips_LCh2Lab, vips_Lab2XYZ,
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@ -157,6 +192,8 @@ static VipsColourRoute vips_colour_routes[] = {
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{ LABS, scRGB, { vips_LabS2Lab, vips_Lab2XYZ, vips_XYZ2scRGB, NULL } },
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{ LABS, sRGB, { vips_LabS2Lab, vips_Lab2XYZ, vips_XYZ2scRGB,
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vips_scRGB2sRGB, NULL } },
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{ LABS, BW, { vips_LabS2Lab, vips_Lab2XYZ, vips_XYZ2scRGB,
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vips_scRGB2sRGB, vips_sRGB2BW, NULL } },
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{ LABS, RGB16, { vips_LabS2Lab, vips_Lab2XYZ, vips_XYZ2scRGB,
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vips_scRGB2RGB16, NULL } },
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{ LABS, YXY, { vips_LabS2Lab, vips_Lab2XYZ, vips_XYZ2Yxy, NULL } },
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@ -168,6 +205,7 @@ static VipsColourRoute vips_colour_routes[] = {
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{ scRGB, CMC, { vips_scRGB2XYZ, vips_XYZ2Lab,
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vips_Lab2LCh, vips_LCh2CMC, NULL } },
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{ scRGB, sRGB, { vips_scRGB2sRGB, NULL } },
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{ scRGB, BW, { vips_scRGB2sRGB, vips_sRGB2BW, NULL } },
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{ scRGB, LABS, { vips_scRGB2XYZ, vips_XYZ2Lab, vips_Lab2LabS, NULL } },
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{ scRGB, RGB16, { vips_scRGB2RGB16, NULL } },
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{ scRGB, YXY, { vips_scRGB2XYZ, vips_XYZ2Yxy, NULL } },
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@ -181,11 +219,30 @@ static VipsColourRoute vips_colour_routes[] = {
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{ sRGB, CMC, { vips_sRGB2scRGB, vips_scRGB2XYZ, vips_XYZ2Lab,
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vips_Lab2LCh, vips_LCh2CMC, NULL } },
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{ sRGB, scRGB, { vips_sRGB2scRGB, NULL } },
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{ sRGB, BW, { vips_sRGB2BW, NULL } },
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{ sRGB, LABS, { vips_sRGB2scRGB, vips_scRGB2XYZ, vips_XYZ2Lab,
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vips_Lab2LabS, NULL } },
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{ sRGB, RGB16, { vips_sRGB2scRGB, vips_scRGB2RGB16, NULL } },
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{ sRGB, YXY, { vips_sRGB2scRGB, vips_scRGB2XYZ, vips_XYZ2Yxy, NULL } },
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{ BW, XYZ, { vips_BW2sRGB, vips_sRGB2scRGB, vips_scRGB2XYZ, NULL } },
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{ BW, LAB, { vips_BW2sRGB, vips_sRGB2scRGB, vips_scRGB2XYZ,
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vips_XYZ2Lab, NULL } },
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{ BW, LABQ, { vips_BW2sRGB, vips_sRGB2scRGB, vips_scRGB2XYZ,
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vips_XYZ2Lab, vips_Lab2LabQ, NULL } },
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{ BW, LCH, { vips_BW2sRGB, vips_sRGB2scRGB, vips_scRGB2XYZ,
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vips_XYZ2Lab, vips_Lab2LCh, NULL } },
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{ BW, CMC, { vips_BW2sRGB, vips_sRGB2scRGB, vips_scRGB2XYZ,
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vips_XYZ2Lab, vips_Lab2LCh, vips_LCh2CMC, NULL } },
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{ BW, scRGB, { vips_BW2sRGB, vips_sRGB2scRGB, NULL } },
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{ BW, sRGB, { vips_BW2sRGB, NULL } },
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{ BW, LABS, { vips_BW2sRGB, vips_sRGB2scRGB, vips_scRGB2XYZ,
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vips_XYZ2Lab, vips_Lab2LabS, NULL } },
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{ BW, RGB16, { vips_BW2sRGB, vips_sRGB2scRGB,
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vips_scRGB2RGB16, NULL } },
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{ BW, YXY, { vips_BW2sRGB, vips_sRGB2scRGB, vips_scRGB2XYZ,
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vips_XYZ2Yxy, NULL } },
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{ YXY, XYZ, { vips_Yxy2XYZ, NULL } },
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{ YXY, LAB, { vips_Yxy2XYZ, vips_XYZ2Lab, NULL } },
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{ YXY, LABQ, { vips_Yxy2XYZ, vips_XYZ2Lab, vips_Lab2LabQ, NULL } },
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@ -195,7 +252,10 @@ static VipsColourRoute vips_colour_routes[] = {
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{ YXY, LABS, { vips_Yxy2XYZ, vips_XYZ2Lab, vips_Lab2LabS, NULL } },
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{ YXY, scRGB, { vips_Yxy2XYZ, vips_XYZ2scRGB, NULL } },
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{ YXY, sRGB, { vips_Yxy2XYZ, vips_XYZ2scRGB, vips_scRGB2sRGB, NULL } },
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{ YXY, RGB16, { vips_Yxy2XYZ, vips_XYZ2scRGB, vips_scRGB2RGB16, NULL } },
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{ YXY, BW, { vips_Yxy2XYZ, vips_XYZ2scRGB, vips_scRGB2sRGB,
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vips_sRGB2BW, NULL } },
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{ YXY, RGB16, { vips_Yxy2XYZ, vips_XYZ2scRGB,
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vips_scRGB2RGB16, NULL } }
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};
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/* Is an image in a supported colourspace.
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