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Compress fallback profiles with zlib 

Reduces binary size by 580KB, ~17% at -O2
This commit is contained in:
Lovell Fuller 2021-02-25 22:03:07 +00:00
parent e5e2e8d1eb
commit 40c4b93ee5
3 changed files with 32357 additions and 80720 deletions
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29
libvips/colour/profile_load.c
View File

@ -66,10 +66,30 @@ vips_profile_fallback_get( const char *name, size_t *length )
for( i = 0; (fallback = vips__profile_fallback_table[i]); i++ )
if( g_ascii_strcasecmp( fallback->name, name ) == 0 ) {
if( length )
*length = fallback->length;
void *data;
GConverter *converter;
GConverterResult res;
gsize bytes_read;
gsize bytes_written;
return( fallback->data );
data = g_malloc0( fallback->length );
converter = G_CONVERTER( g_zlib_decompressor_new(
G_ZLIB_COMPRESSOR_FORMAT_ZLIB ) );
res = g_converter_convert( converter,
fallback->data, fallback->length,
data, fallback->length,
G_CONVERTER_INPUT_AT_END,
&bytes_read, &bytes_written, NULL );
g_object_unref( converter );
if( res == G_CONVERTER_FINISHED ) {
*length = fallback->length;
return( data );
} else {
g_free( data );
g_warning( "fallback profile decompression failed" );
}
}
return( NULL );
@ -92,7 +112,8 @@ vips_profile_load_build( VipsObject *object )
if( g_ascii_strcasecmp( load->name, "none" ) == 0 )
profile = NULL;
else if( (data = vips_profile_fallback_get( load->name, &length )) )
profile = vips_blob_new( NULL, data, length );
profile = vips_blob_new(
(VipsCallbackFn) vips_area_free_cb, data, length );
else if( (data = vips__file_read_name( load->name,
vips__icc_dir(), &length )) )
profile = vips_blob_new(

113044
libvips/colour/profiles.c
View File

File diff suppressed because it is too large Load Diff

4
libvips/colour/wrap-profiles.sh
View File

@ -15,7 +15,7 @@ echo "#include \"profiles.h\"" >> $out
echo "" >> $out
profile_names=
for file in $in/*; do
for file in $in/*.icm; do
root=${file%.icm}
base=${root##*/}
profile_name=vips__profile_fallback_$base
@ -24,7 +24,7 @@ for file in $in/*; do
echo " \"$base\"," >> $out
echo " $(stat --format=%s $file)," >> $out
echo " {" >> $out
hexdump -v -e '" 0x" 1/1 "%02X,"' $file | fmt >> $out
pigz -c -z -11 $file | hexdump -v -e '" 0x" 1/1 "%02X,"' | fmt >> $out
echo " }" >> $out
echo "};" >> $out
echo >> $out