add missing funcs to public C API

The C API was missing vips_jpegload_source and vips_svgload_source.
Thanks to augustocdias.

See https://github.com/libvips/libvips/issues/1780

ChangeLog

@@ -1,3 +1,6 @@
+14/8/20 started 8.11
+- add vips_jpegload_source() and vips_svgload_source() to public C API
+
 9/8/20 started 8.10.1
 - fix markdown -> xml conversion in doc generation
 - remove typedef redefinitions to please old gccs

configure.ac

@@ -2,7 +2,7 @@
 
 # also update the version number in the m4 macros below
 
-AC_INIT([vips], [8.10.1], [vipsip@jiscmail.ac.uk])
+AC_INIT([vips], [8.11.0], [vipsip@jiscmail.ac.uk])
 # required for gobject-introspection
 AC_PREREQ(2.62)
 
@@ -17,8 +17,8 @@ AC_CONFIG_MACRO_DIR([m4])
 
 # user-visible library versioning
 m4_define([vips_major_version], [8])
-m4_define([vips_minor_version], [10])
-m4_define([vips_micro_version], [1])
+m4_define([vips_minor_version], [11])
+m4_define([vips_micro_version], [0])
 m4_define([vips_version],
           [vips_major_version.vips_minor_version.vips_micro_version])
 
@@ -37,9 +37,9 @@ VIPS_VERSION_STRING=$VIPS_VERSION-`date -u -r $srcdir/ChangeLog`
 #   binary interface changes backwards compatible?: increment age
 #   binary interface changes not backwards compatible?: reset age to 0
 
-LIBRARY_CURRENT=54
-LIBRARY_REVISION=3
-LIBRARY_AGE=12
+LIBRARY_CURRENT=55
+LIBRARY_REVISION=0
+LIBRARY_AGE=13
 
 # patched into include/vips/version.h
 AC_SUBST(VIPS_VERSION)

libvips/foreign/jpegload.c

@@ -550,3 +550,36 @@ vips_jpegload_buffer( void *buf, size_t len, VipsImage **out, ... )
 
 	return( result );
 }
+
+/**
+ * vips_jpegload_source:
+ * @source: source to load
+ * @out: (out): image to write
+ * @...: %NULL-terminated list of optional named arguments
+ *
+ * Optional arguments:
+ *
+ * * @shrink: %gint, shrink by this much on load
+ * * @fail: %gboolean, fail on errors
+ * * @autorotate: %gboolean, use exif Orientation tag to rotate the image 
+ *   during load
+ *
+ * Read a JPEG-formatted memory block into a VIPS image. Exactly as
+ * vips_jpegload(), but read from a source. 
+ *
+ * See also: vips_jpegload().
+ *
+ * Returns: 0 on success, -1 on error.
+ */
+int
+vips_jpegload_source( VipsSource *source, VipsImage **out, ... )
+{
+	va_list ap;
+	int result;
+
+	va_start( ap, out );
+	result = vips_call_split( "jpegload_source", ap, source, out );
+	va_end( ap );
+
+	return( result );
+}

libvips/include/vips/foreign.h

@@ -383,6 +383,8 @@ int vips_jpegload( const char *filename, VipsImage **out, ... )
 	__attribute__((sentinel));
 int vips_jpegload_buffer( void *buf, size_t len, VipsImage **out, ... )
 	__attribute__((sentinel));
+int vips_jpegload_source( VipsSource *source, VipsImage **out, ... )
+	__attribute__((sentinel));
 
 int vips_jpegsave_target( VipsImage *in, VipsTarget *target, ... )
 	__attribute__((sentinel));
@@ -621,6 +623,8 @@ int vips_svgload( const char *filename, VipsImage **out, ... )
 	__attribute__((sentinel));
 int vips_svgload_buffer( void *buf, size_t len, VipsImage **out, ... )
 	__attribute__((sentinel));
+int vips_svgload_source( VipsSource *source, VipsImage **out, ... )
+	__attribute__((sentinel));
 
 int vips_gifload( const char *filename, VipsImage **out, ... )
 	__attribute__((sentinel));