Quantizr support (#2542)
This commit is contained in:
Sergey Alexandrovich
GitHub
parent
8c9d899acd
commit
d71a3c2fc1
39
configure.ac
39
configure.ac
@ -1362,6 +1362,8 @@ VIPS_CFLAGS="$VIPS_CFLAGS $PNG_CFLAGS"
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VIPS_INCLUDES="$VIPS_INCLUDES $PNG_INCLUDES"
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VIPS_LIBS="$VIPS_LIBS $PNG_LIBS"
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with_quantization=no
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# look for libimagequant with pkg-config (only if libpng is enabled)
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AC_ARG_WITH([imagequant],
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AS_HELP_STRING([--without-imagequant], [build without imagequant (default: test)]))
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@ -1370,11 +1372,10 @@ if test x"$with_imagequant" != x"no"; then
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PKG_CHECK_MODULES(IMAGEQUANT, imagequant,
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[AC_DEFINE(HAVE_IMAGEQUANT,1,[define if you have imagequant installed.])
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with_imagequant=yes
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with_quantization=yes
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PACKAGES_USED="$PACKAGES_USED imagequant"
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],
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[AC_MSG_WARN([libimagequant not found; disabling 8bpp PNG support])
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with_imagequant=no
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]
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[with_imagequant=no]
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)
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else
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with_imagequant=no
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@ -1383,6 +1384,30 @@ fi
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VIPS_CFLAGS="$VIPS_CFLAGS $IMAGEQUANT_CFLAGS"
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VIPS_LIBS="$VIPS_LIBS $IMAGEQUANT_LIBS"
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# look for quantizr with pkg-config (only if libpng is enabled)
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AC_ARG_WITH([quantizr],
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AS_HELP_STRING([--without-quantizr], [build without quantizr (default: test)]))
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if test x"$with_quantizr" != x"no"; then
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PKG_CHECK_MODULES(QUANTIZR, quantizr,
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[AC_DEFINE(HAVE_QUANTIZR,1,[define if you have quantizr installed.])
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with_quantizr=yes
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with_quantization=yes
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PACKAGES_USED="$PACKAGES_USED quantizr"
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],
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[with_quantizr=no]
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)
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else
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with_quantizr=no
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fi
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VIPS_CFLAGS="$VIPS_CFLAGS $QUANTIZR_CFLAGS"
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VIPS_LIBS="$VIPS_LIBS $QUANTIZR_LIBS"
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if test x"$with_quantization" == x"no"; then
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AC_MSG_WARN([quantizr not found; disabling 8bpp PNG support])
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fi
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# look for libjpeg with pkg-config ... fall back to our tester
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AC_ARG_WITH([jpeg],
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AS_HELP_STRING([--without-jpeg], [build without libjpeg (default: test)]))
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@ -1458,7 +1483,7 @@ VIPS_LIBS="$VIPS_LIBS $EXIF_LIBS"
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AC_ARG_WITH([cgif],
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AS_HELP_STRING([--without-cgif], [build without cgif (default: test)]))
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if test x"$with_imagequant" == x"yes" && test x"$with_cgif" != x"no"; then
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if test x"$with_quantization" == x"yes" && test x"$with_cgif" != x"no"; then
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PKG_CHECK_MODULES(CGIF, cgif,
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[AC_DEFINE(HAVE_CGIF,1,[define if you have cgif installed.])
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with_cgif=yes
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@ -1617,8 +1642,8 @@ PNG load with libspng: $with_libspng
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(requires libspng-0.6 or later)
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PNG load/save with libpng: $with_png
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(requires libpng-1.2.9 or later)
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quantisation to 8 bit: $with_imagequant
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(requires libimagequant)
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quantisation to 8 bit: $with_quantization
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(requires libimagequant or quantizr)
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TIFF load/save with libtiff: $with_tiff
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image pyramid save: $with_gsf
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(requires libgsf-1 1.14.26 or later)
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@ -1637,7 +1662,7 @@ Matlab load with matio: $with_matio
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NIfTI load/save with niftiio: $with_nifti
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FITS load/save with cfitsio: $with_cfitsio
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GIF save with cgif: $with_cgif
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(requires cgif, libimagequant)
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(requires cgif, libimagequant or quantizr)
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Magick package: $with_magickpackage (dynamic module: $with_magick_module)
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Magick major API version: $magick_version
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load with libMagickCore: $enable_magickload
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@ -47,10 +47,10 @@
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#include <vips/vips.h>
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#include "pforeign.h"
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#include "quantise.h"
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#if defined(HAVE_CGIF) && defined(HAVE_IMAGEQUANT)
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#if defined(HAVE_CGIF) && defined(HAVE_QUANTIZATION)
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#include <libimagequant.h>
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#include <cgif.h>
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typedef struct _VipsForeignSaveCgif {
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@ -81,10 +81,10 @@ typedef struct _VipsForeignSaveCgif {
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/* The frame as seen by libimagequant.
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*/
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liq_attr *attr;
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liq_image *input_image;
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liq_result *quantisation_result;
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const liq_palette *lp;
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VipsQuantiseAttr *attr;
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VipsQuantiseImage *input_image;
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VipsQuantiseResult *quantisation_result;
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const VipsQuantisePalette *lp;
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/* The current colourmap, updated on a significant frame change.
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*
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@ -130,9 +130,9 @@ vips_foreign_save_cgif_dispose( GObject *gobject )
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VIPS_UNREF( cgif->target );
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VIPS_UNREF( cgif->frame );
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VIPS_FREEF( liq_result_destroy, cgif->quantisation_result );
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VIPS_FREEF( liq_image_destroy, cgif->input_image );
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VIPS_FREEF( liq_attr_destroy, cgif->attr );
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VIPS_FREEF( vips__quantise_result_destroy, cgif->quantisation_result );
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VIPS_FREEF( vips__quantise_image_destroy, cgif->input_image );
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VIPS_FREEF( vips__quantise_attr_destroy, cgif->attr );
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VIPS_FREE( cgif->palette_rgb );
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VIPS_FREE( cgif->index );
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@ -179,8 +179,8 @@ vips_foreign_save_cgif_write_frame( VipsForeignSaveCgif *cgif )
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/* Set up new frame for libimagequant.
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*/
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VIPS_FREEF( liq_image_destroy, cgif->input_image );
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cgif->input_image = liq_image_create_rgba( cgif->attr,
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VIPS_FREEF( vips__quantise_image_destroy, cgif->input_image );
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cgif->input_image = vips__quantise_image_create_rgba( cgif->attr,
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frame_bytes, frame_rect->width, frame_rect->height, 0 );
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/* Threshold the alpha channel. It's safe to modify the region since
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@ -215,8 +215,8 @@ vips_foreign_save_cgif_write_frame( VipsForeignSaveCgif *cgif )
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if( cgif->quantisation_result )
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cgif->cgif_config.attrFlags |= CGIF_ATTR_NO_GLOBAL_TABLE;
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VIPS_FREEF( liq_result_destroy, cgif->quantisation_result );
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if( liq_image_quantize( cgif->input_image, cgif->attr,
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VIPS_FREEF( vips__quantise_result_destroy, cgif->quantisation_result );
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if( vips__quantise_image_quantize( cgif->input_image, cgif->attr,
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&cgif->quantisation_result ) ) {
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vips_error( class->nickname,
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"%s", _( "quantisation failed" ) );
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@ -230,17 +230,17 @@ vips_foreign_save_cgif_write_frame( VipsForeignSaveCgif *cgif )
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/* Dither frame.
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*/
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liq_set_dithering_level( cgif->quantisation_result, cgif->dither );
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if( liq_write_remapped_image( cgif->quantisation_result,
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vips__quantise_set_dithering_level( cgif->quantisation_result, cgif->dither );
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if( vips__quantise_write_remapped_image( cgif->quantisation_result,
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cgif->input_image, cgif->index, n_pels ) ) {
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vips_error( class->nickname, "%s", _( "dither failed" ) );
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return( -1 );
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}
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/* Call liq_get_palette() after liq_write_remapped_image(),
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/* Call vips__quantise_get_palette() after vips__quantise_write_remapped_image(),
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* as palette is improved during remapping.
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*/
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cgif->lp = liq_get_palette( cgif->quantisation_result );
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cgif->lp = vips__quantise_get_palette( cgif->quantisation_result );
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rgb = cgif->palette_rgb;
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g_assert( cgif->lp->count <= 256 );
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for( i = 0; i < cgif->lp->count; i++ ) {
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@ -458,10 +458,10 @@ vips_foreign_save_cgif_build( VipsObject *object )
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/* Set up libimagequant.
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*/
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cgif->attr = liq_attr_create();
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liq_set_max_colors( cgif->attr, (1 << cgif->bitdepth) - 1 );
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liq_set_quality( cgif->attr, 0, 100 );
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liq_set_speed( cgif->attr, 11 - cgif->effort );
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cgif->attr = vips__quantise_attr_create();
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vips__quantise_set_max_colors( cgif->attr, (1 << cgif->bitdepth) - 1 );
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vips__quantise_set_quality( cgif->attr, 0, 100 );
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vips__quantise_set_speed( cgif->attr, 11 - cgif->effort );
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/* Set up cgif on first use.
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*/
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@ -217,11 +217,6 @@ int vips__webp_write_target( VipsImage *image, VipsTarget *target,
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gboolean min_size, int kmin, int kmax,
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gboolean strip, const char *profile );
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int vips__quantise_image( VipsImage *in,
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VipsImage **index_out, VipsImage **palette_out,
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int colours, int Q, double dither, int effort,
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gboolean threshold_alpha );
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extern const char *vips_foreign_nifti_suffs[];
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VipsBandFormat vips__foreign_nifti_datatype2BandFmt( int datatype );
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@ -1,4 +1,4 @@
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/* quantise an image with libimagequant
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/* quantise an image
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*
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* 20/6/18
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* - from vipspng.c
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@ -43,11 +43,164 @@
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#include <vips/vips.h>
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#ifdef HAVE_IMAGEQUANT
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#include "quantise.h"
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#ifdef HAVE_QUANTIZATION
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#include "pforeign.h"
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#include <libimagequant.h>
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#if defined(HAVE_IMAGEQUANT)
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VipsQuantiseAttr*
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vips__quantise_attr_create()
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{
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return liq_attr_create();
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}
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VipsQuantiseError
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vips__quantise_set_max_colors(VipsQuantiseAttr* attr, int colors)
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{
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return liq_set_max_colors(attr, colors);
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}
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VipsQuantiseError
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vips__quantise_set_quality(VipsQuantiseAttr* attr, int minimum, int maximum)
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{
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return liq_set_quality(attr, minimum, maximum);
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}
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VipsQuantiseError
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vips__quantise_set_speed(VipsQuantiseAttr* attr, int speed)
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{
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return liq_set_speed(attr, speed);
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}
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VipsQuantiseImage*
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vips__quantise_image_create_rgba(const VipsQuantiseAttr *attr, const void *bitmap, int width, int height, double gamma)
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{
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return liq_image_create_rgba(attr, bitmap, width, height, gamma);
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}
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VipsQuantiseError
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vips__quantise_image_quantize(VipsQuantiseImage *const input_image, VipsQuantiseAttr *const options, VipsQuantiseResult **result_output)
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{
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return liq_image_quantize(input_image, options, result_output);
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}
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VipsQuantiseError
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vips__quantise_set_dithering_level(VipsQuantiseResult *res, float dither_level)
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{
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return liq_set_dithering_level(res, dither_level);
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}
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const VipsQuantisePalette*
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vips__quantise_get_palette(VipsQuantiseResult *result)
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{
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return liq_get_palette(result);
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}
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VipsQuantiseError
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vips__quantise_write_remapped_image(VipsQuantiseResult *result, VipsQuantiseImage *input_image, void *buffer, size_t buffer_size)
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{
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return liq_write_remapped_image(result, input_image, buffer, buffer_size);
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}
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void
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vips__quantise_result_destroy(VipsQuantiseResult *result)
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{
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liq_result_destroy(result);
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}
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void
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vips__quantise_image_destroy(VipsQuantiseImage *img)
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{
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liq_image_destroy(img);
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}
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void
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vips__quantise_attr_destroy(VipsQuantiseAttr *attr)
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{
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liq_attr_destroy(attr);
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}
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#elif defined(HAVE_QUANTIZR) /*HAVE_IMAGEQUANT*/
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VipsQuantiseAttr*
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vips__quantise_attr_create()
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{
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return quantizr_new_options();
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}
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VipsQuantiseError
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vips__quantise_set_max_colors(VipsQuantiseAttr* attr, int colors)
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{
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return quantizr_set_max_colors(attr, colors);
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}
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VipsQuantiseError
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vips__quantise_set_quality(VipsQuantiseAttr* attr, int minimum, int maximum)
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{
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// Not supported by quantizr
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return 0;
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}
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VipsQuantiseError
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vips__quantise_set_speed(VipsQuantiseAttr* attr, int speed)
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{
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// Not supported by quantizr
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return 0;
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}
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VipsQuantiseImage*
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vips__quantise_image_create_rgba(const VipsQuantiseAttr *attr, const void *bitmap, int width, int height, double gamma)
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{
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return quantizr_create_image_rgba((unsigned char*)bitmap, width, height);
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}
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VipsQuantiseError
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vips__quantise_image_quantize(VipsQuantiseImage *const input_image, VipsQuantiseAttr *const options, VipsQuantiseResult **result_output)
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{
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*result_output = quantizr_quantize(input_image, options);
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return 0;
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}
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VipsQuantiseError
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vips__quantise_set_dithering_level(VipsQuantiseResult *res, float dither_level)
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{
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return quantizr_set_dithering_level(res, dither_level);
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}
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const VipsQuantisePalette*
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vips__quantise_get_palette(VipsQuantiseResult *result)
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{
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return quantizr_get_palette(result);
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}
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VipsQuantiseError
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vips__quantise_write_remapped_image(VipsQuantiseResult *result, VipsQuantiseImage *input_image, void *buffer, size_t buffer_size)
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{
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return quantizr_remap(result, input_image, buffer, buffer_size);
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}
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void
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vips__quantise_result_destroy(VipsQuantiseResult *result)
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{
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quantizr_free_result(result);
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}
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void
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vips__quantise_image_destroy(VipsQuantiseImage *img)
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{
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quantizr_free_image(img);
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}
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void
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vips__quantise_attr_destroy(VipsQuantiseAttr *attr)
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{
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quantizr_free_options(attr);
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}
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#endif /*HAVE_QUANTIZR*/
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/* Track during a quantisation.
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*/
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@ -60,9 +213,9 @@ typedef struct _Quantise {
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double dither;
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int effort;
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liq_attr *attr;
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liq_image *input_image;
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liq_result *quantisation_result;
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VipsQuantiseAttr *attr;
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VipsQuantiseImage *input_image;
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VipsQuantiseResult *quantisation_result;
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VipsImage *t[5];
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} Quantise;
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@ -71,9 +224,9 @@ vips__quantise_free( Quantise *quantise )
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{
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int i;
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VIPS_FREEF( liq_result_destroy, quantise->quantisation_result );
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VIPS_FREEF( liq_image_destroy, quantise->input_image );
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VIPS_FREEF( liq_attr_destroy, quantise->attr );
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VIPS_FREEF( vips__quantise_result_destroy, quantise->quantisation_result );
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VIPS_FREEF( vips__quantise_image_destroy, quantise->input_image );
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VIPS_FREEF( vips__quantise_attr_destroy, quantise->attr );
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for( i = 0; i < VIPS_NUMBER( quantise->t ); i++ )
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VIPS_UNREF( quantise->t[i] );
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@ -112,7 +265,7 @@ vips__quantise_image( VipsImage *in,
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Quantise *quantise;
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VipsImage *index;
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VipsImage *palette;
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const liq_palette *lp;
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const VipsQuantisePalette *lp;
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gint64 i;
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VipsPel * restrict p;
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gboolean added_alpha;
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@ -162,22 +315,22 @@ vips__quantise_image( VipsImage *in,
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}
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}
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quantise->attr = liq_attr_create();
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liq_set_max_colors( quantise->attr, colours );
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liq_set_quality( quantise->attr, 0, Q );
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liq_set_speed( quantise->attr, 11 - effort );
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quantise->attr = vips__quantise_attr_create();
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vips__quantise_set_max_colors( quantise->attr, colours );
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vips__quantise_set_quality( quantise->attr, 0, Q );
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vips__quantise_set_speed( quantise->attr, 11 - effort );
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quantise->input_image = liq_image_create_rgba( quantise->attr,
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quantise->input_image = vips__quantise_image_create_rgba( quantise->attr,
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VIPS_IMAGE_ADDR( in, 0, 0 ), in->Xsize, in->Ysize, 0 );
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if( liq_image_quantize( quantise->input_image, quantise->attr,
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if( vips__quantise_image_quantize( quantise->input_image, quantise->attr,
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&quantise->quantisation_result ) ) {
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vips_error( "quantise", "%s", _( "quantisation failed" ) );
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vips__quantise_free( quantise );
|
||||
return( -1 );
|
||||
}
|
||||
|
||||
liq_set_dithering_level( quantise->quantisation_result, dither );
|
||||
vips__quantise_set_dithering_level( quantise->quantisation_result, dither );
|
||||
|
||||
index = quantise->t[3] = vips_image_new_memory();
|
||||
vips_image_init_fields( index,
|
||||
@ -189,7 +342,7 @@ vips__quantise_image( VipsImage *in,
|
||||
return( -1 );
|
||||
}
|
||||
|
||||
if( liq_write_remapped_image( quantise->quantisation_result,
|
||||
if( vips__quantise_write_remapped_image( quantise->quantisation_result,
|
||||
quantise->input_image,
|
||||
VIPS_IMAGE_ADDR( index, 0, 0 ), VIPS_IMAGE_N_PELS( index ) ) ) {
|
||||
vips_error( "quantise", "%s", _( "quantisation failed" ) );
|
||||
@ -197,7 +350,7 @@ vips__quantise_image( VipsImage *in,
|
||||
return( -1 );
|
||||
}
|
||||
|
||||
lp = liq_get_palette( quantise->quantisation_result );
|
||||
lp = vips__quantise_get_palette( quantise->quantisation_result );
|
||||
|
||||
palette = quantise->t[4] = vips_image_new_memory();
|
||||
vips_image_init_fields( palette, lp->count, 1, 4,
|
||||
@ -229,7 +382,7 @@ vips__quantise_image( VipsImage *in,
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#else /*!HAVE_IMAGEQUANT*/
|
||||
#else /*!HAVE_QUANTIZATION*/
|
||||
|
||||
int
|
||||
vips__quantise_image( VipsImage *in,
|
||||
@ -243,5 +396,5 @@ vips__quantise_image( VipsImage *in,
|
||||
return( -1 );
|
||||
}
|
||||
|
||||
#endif /*HAVE_IMAGEQUANT*/
|
||||
#endif /*HAVE_QUANTIZATION*/
|
||||
|
||||
|
||||
85
libvips/foreign/quantise.h
Normal file
85
libvips/foreign/quantise.h
Normal file
@ -0,0 +1,85 @@
|
||||
/* common defs for image quantisation
|
||||
*/
|
||||
|
||||
/*
|
||||
|
||||
Copyright (C) 1991-2005 The National Gallery
|
||||
|
||||
This library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2.1 of the License, or (at your option) any later version.
|
||||
|
||||
This library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with this library; if not, write to the Free Software
|
||||
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
02110-1301 USA
|
||||
|
||||
*/
|
||||
|
||||
/*
|
||||
|
||||
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
|
||||
|
||||
*/
|
||||
|
||||
#ifndef VIPS_QUANTISE_H
|
||||
#define VIPS_QUANTISE_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif /*__cplusplus*/
|
||||
|
||||
#if defined(HAVE_IMAGEQUANT)
|
||||
#define HAVE_QUANTIZATION
|
||||
|
||||
#include <libimagequant.h>
|
||||
|
||||
#define VipsQuantiseAttr liq_attr
|
||||
#define VipsQuantiseImage liq_image
|
||||
#define VipsQuantiseResult liq_result
|
||||
#define VipsQuantisePalette liq_palette
|
||||
#define VipsQuantiseError liq_error
|
||||
|
||||
#elif defined(HAVE_QUANTIZR)
|
||||
#define HAVE_QUANTIZATION
|
||||
|
||||
#include <quantizr.h>
|
||||
|
||||
#define VipsQuantiseAttr QuantizrOptions
|
||||
#define VipsQuantiseImage QuantizrImage
|
||||
#define VipsQuantiseResult QuantizrResult
|
||||
#define VipsQuantisePalette QuantizrPalette
|
||||
#define VipsQuantiseError QuantizrError
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_QUANTIZATION
|
||||
VipsQuantiseAttr* vips__quantise_attr_create();
|
||||
VipsQuantiseError vips__quantise_set_max_colors(VipsQuantiseAttr* attr, int colors);
|
||||
VipsQuantiseError vips__quantise_set_quality(VipsQuantiseAttr* attr, int minimum, int maximum);
|
||||
VipsQuantiseError vips__quantise_set_speed(VipsQuantiseAttr* attr, int speed);
|
||||
VipsQuantiseImage* vips__quantise_image_create_rgba(const VipsQuantiseAttr *attr, const void *bitmap, int width, int height, double gamma);
|
||||
VipsQuantiseError vips__quantise_image_quantize(VipsQuantiseImage *const input_image, VipsQuantiseAttr *const options, VipsQuantiseResult **result_output);
|
||||
VipsQuantiseError vips__quantise_set_dithering_level(VipsQuantiseResult *res, float dither_level);
|
||||
const VipsQuantisePalette* vips__quantise_get_palette(VipsQuantiseResult *result);
|
||||
VipsQuantiseError vips__quantise_write_remapped_image(VipsQuantiseResult *result, VipsQuantiseImage *input_image, void *buffer, size_t buffer_size);
|
||||
void vips__quantise_result_destroy(VipsQuantiseResult *result);
|
||||
void vips__quantise_image_destroy(VipsQuantiseImage *img);
|
||||
void vips__quantise_attr_destroy(VipsQuantiseAttr *attr);
|
||||
#endif /*HAVE_QUANTIZATION*/
|
||||
|
||||
int vips__quantise_image( VipsImage *in,
|
||||
VipsImage **index_out, VipsImage **palette_out,
|
||||
int colours, int Q, double dither, int effort,
|
||||
gboolean threshold_alpha );
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /*__cplusplus*/
|
||||
|
||||
#endif /*VIPS_QUANTISE_H*/
|
||||
@ -133,6 +133,7 @@
|
||||
#include <vips/debug.h>
|
||||
|
||||
#include "pforeign.h"
|
||||
#include "quantise.h"
|
||||
|
||||
#include <png.h>
|
||||
|
||||
@ -1072,7 +1073,7 @@ write_vips( Write *write,
|
||||
return( -1 );
|
||||
}
|
||||
|
||||
#ifdef HAVE_IMAGEQUANT
|
||||
#ifdef HAVE_QUANTIZATION
|
||||
/* Enable image quantisation to paletted 8bpp PNG if colours is set.
|
||||
*/
|
||||
if( palette )
|
||||
@ -1081,7 +1082,7 @@ write_vips( Write *write,
|
||||
if( palette )
|
||||
g_warning( "%s",
|
||||
_( "ignoring palette (no quantisation support)" ) );
|
||||
#endif /*HAVE_IMAGEQUANT*/
|
||||
#endif /*HAVE_QUANTIZATION*/
|
||||
|
||||
interlace_type = interlace ? PNG_INTERLACE_ADAM7 : PNG_INTERLACE_NONE;
|
||||
|
||||
@ -1181,7 +1182,7 @@ write_vips( Write *write,
|
||||
return( -1 );
|
||||
}
|
||||
|
||||
#ifdef HAVE_IMAGEQUANT
|
||||
#ifdef HAVE_QUANTIZATION
|
||||
if( palette ) {
|
||||
VipsImage *im_index;
|
||||
VipsImage *im_palette;
|
||||
@ -1244,7 +1245,7 @@ write_vips( Write *write,
|
||||
write->memory = im_index;
|
||||
in = write->memory;
|
||||
}
|
||||
#endif /*HAVE_IMAGEQUANT*/
|
||||
#endif /*HAVE_QUANTIZATION*/
|
||||
|
||||
png_write_info( write->pPng, write->pInfo );
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user