Merge branch 'master' into png2

basis/images/jpeg/jpeg.factor

@@ -11,7 +11,9 @@ IN: images.jpeg
 
 QUALIFIED-WITH: bitstreams bs
 
-TUPLE: jpeg-image < image
+SINGLETON: jpeg-image
+
+TUPLE: loading-jpeg < image
     { headers }
     { bitstream }
     { color-info initial: { f f f f } }
@@ -24,8 +26,8 @@ TUPLE: jpeg-image < image
 
 <PRIVATE
 
-: <jpeg-image> ( headers bitstream -- image )
-    jpeg-image new swap >>bitstream swap >>headers ;
+: <loading-jpeg> ( headers bitstream -- image )
+    loading-jpeg new swap >>bitstream swap >>headers ;
 
 SINGLETONS: SOF DHT DAC RST SOI EOI SOS DQT DNL DRI DHP EXP
 APP JPG COM TEM RES ;
@@ -357,15 +359,20 @@ SINGLETONS: YUV420 YUV444 Y MAGIC! ;
 
 ERROR: not-a-jpeg-image ;
 
-PRIVATE>
-
-M: jpeg-image stream>image ( stream jpeg-image -- bitmap )
-    drop [
-        parse-marker { SOI } = [ not-a-jpeg-image ] unless
-        parse-headers
-        contents <jpeg-image>
-    ] with-input-stream
+: loading-jpeg>image ( loading-jpeg -- image )
     dup jpeg-image [
         baseline-parse
         baseline-decompress
     ] with-variable ;
+
+: load-jpeg ( stream -- loading-jpeg )
+    [
+        parse-marker { SOI } = [ not-a-jpeg-image ] unless
+        parse-headers
+        unlimited-input contents <loading-jpeg>
+    ] with-input-stream ;
+
+PRIVATE>
+
+M: jpeg-image stream>image ( stream jpeg-image -- bitmap )
+    drop load-jpeg loading-jpeg>image ;

basis/images/png/png.factor

@@ -6,7 +6,7 @@ io.binary io.encodings.ascii io.encodings.string kernel locals
 math math.bitwise math.ranges sequences sorting ;
 IN: images.png
 
-TUPLE: png-image < image ;
+SINGLETON: png-image
 "png" png-image register-image-class
 
 TUPLE: loading-png
@@ -128,7 +128,7 @@ ERROR: unimplemented-color-type image ;
     [ png-group-width ] tri group reverse-png-filter ;
 
 : loading-png>image ( loading-png -- image )
-    [ png-image new ] dip {
+    [ image new ] dip {
         [ png-image-bytes >>bitmap ]
         [ [ width>> ] [ height>> ] bi 2array >>dim ]
         [ drop ubyte-components >>component-type ]

basis/images/tiff/tiff.factor

@@ -556,7 +556,7 @@ ERROR: unknown-component-order ifd ;
 : process-tif-ifds ( loading-tiff -- )
     ifds>> [ process-ifd ] each ;
 
-: load-tiff ( path -- loading-tiff )
+: load-tiff ( stream -- loading-tiff )
     [ load-tiff-ifds dup ]
     [
         [ [ 0 seek-absolute ] dip stream-seek ]

basis/io/streams/limited/limited-tests.factor

@@ -81,4 +81,11 @@ IN: io.streams.limited.tests
     "HELLO"
     [ f stream-throws limit-input 4 read ]
     with-string-reader
-] unit-test
+] unit-test
+
+
+[ "asdf" ] [
+    "asdf" <string-reader> 2 stream-eofs <limited-stream> [
+        unlimited-input contents
+    ] with-input-stream
+] unit-test

basis/io/streams/limited/limited.factor

@@ -37,7 +37,7 @@ M: decoder unlimited ( stream -- stream' )
     [ stream>> ] change-stream ;
 
 M: object unlimited ( stream -- stream' )
-    stream>> stream>> ;
+    stream>> ;
 
 : limit-input ( limit mode -- )
     [ input-stream ] 2dip '[ _ _ limit ] change ;
@@ -103,3 +103,6 @@ M: limited-stream stream-seek
 
 M: limited-stream dispose
     stream>> dispose ;
+
+M: limited-stream stream-element-type
+    stream>> stream-element-type ;