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add spngload minimise support

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This commit is contained in:
John Cupitt 2020-06-18 15:13:37 +01:00
parent b2feb4805f
commit c0daa8ffd2
1 changed files with 15 additions and 0 deletions
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15
libvips/foreign/spngload.c
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@ -401,6 +401,12 @@ vips_foreign_load_png_header( VipsForeignLoad *load )
return( 0 ); return( 0 );
} }
static void
vips_foreign_load_png_minimise( VipsObject *object, VipsForeignLoadPng *png )
{
vips_source_minimise( png->source );
}
static int static int
vips_foreign_load_png_generate( VipsRegion *or, vips_foreign_load_png_generate( VipsRegion *or,
void *seq, void *a, void *b, gboolean *stop ) void *seq, void *a, void *b, gboolean *stop )
@ -514,6 +520,10 @@ vips_foreign_load_png_load( VipsForeignLoad *load )
return( -1 ); return( -1 );
} }
/* We've now finished reading the file.
*/
vips_source_minimise( png->source );
if( vips_image_write( t[0], load->real ) ) if( vips_image_write( t[0], load->real ) )
return( -1 ); return( -1 );
} }
@ -532,6 +542,11 @@ vips_foreign_load_png_load( VipsForeignLoad *load )
return( -1 ); return( -1 );
} }
/* Close input immediately at end of read.
*/
g_signal_connect( t[0], "minimise",
G_CALLBACK( vips_foreign_load_png_minimise ), png );
if( vips_image_generate( t[0], if( vips_image_generate( t[0],
NULL, vips_foreign_load_png_generate, NULL, NULL, vips_foreign_load_png_generate, NULL,
png, NULL ) || png, NULL ) ||