Merge branch 'master' of git://factorcode.org/git/factor

[factor.git] / basis / windows / uniscribe / uniscribe.factor

diff --git a/basis/windows/uniscribe/uniscribe.factor b/basis/windows/uniscribe/uniscribe.factor
old mode 100644 (file)
new mode 100755 (executable)
index 5d24601..457f4bc
--- a/basis/windows/uniscribe/uniscribe.factor
+++ b/basis/windows/uniscribe/uniscribe.factor
@@ -1,65 +1,115 @@
 ! Copyright (C) 2009 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: kernel math sequences io.encodings.string io.encodings.utf16n
-accessors arrays destructors alien.c-types windows windows.usp10
-windows.offscreen ;
+USING: kernel assocs math sequences fry io.encodings.string
+io.encodings.utf16n accessors arrays combinators destructors
+cache namespaces init fonts alien.c-types windows.usp10
+windows.offscreen windows.gdi32 windows.ole32 windows.types
+windows.fonts opengl.textures locals windows.errors ;
 IN: windows.uniscribe
 
-TUPLE: script-string pssa size image ;
+TUPLE: script-string < disposable font string metrics ssa size image ;
+
+: line-offset>x ( n script-string -- x )
+    2dup string>> length = [
+        ssa>> ! ssa
+        swap 1 - ! icp
+        TRUE ! fTrailing
+    ] [
+        ssa>>
+        swap ! icp
+        FALSE ! fTrailing
+    ] if
+    0 <int> [ ScriptStringCPtoX ole32-error ] keep *int ;
+
+: x>line-offset ( x script-string -- n trailing )
+    ssa>> ! ssa
+    swap ! iX
+    0 <int> ! pCh
+    0 <int> ! piTrailing
+    [ ScriptStringXtoCP ole32-error ] 2keep [ *int ] bi@ ;
+
+<PRIVATE
 
 : make-script-string ( dc string -- script-string )
+    dup selection? [ string>> ] when
     [ utf16n encode ] ! pString
     [ length ] bi ! cString
-    dup 1.5 * 16 + ! cGlyphs -- MSDN says this is "recommended size"
+    dup 1.5 * 16 + >integer ! cGlyphs -- MSDN says this is "recommended size"
     -1 ! iCharset -- Unicode
     SSA_GLYPHS ! dwFlags
-    ... ! iReqWidth
+    0 ! iReqWidth
     f ! psControl
     f ! psState
     f ! piDx
     f ! pTabdef
-    ... ! pbInClass
+    f ! pbInClass
     f <void*> ! pssa
     [ ScriptStringAnalyse ] keep
-    [ win32-error=0/f ] [ |ScriptStringFree ] bi* ;
-
-: draw-script-string ( script-string -- bitmap )
-    ! ssa
-    0 ! iX
-    0 ! iY
-    ETO_OPAQUE ! uOptions ... ????
-    f ! prc
-    0 ! iMinSel
-    0 ! iMaxSel
-    f ! fDisabled
-    ScriptStringOut ;
-
-: <script-string> ( string -- script-string )
+    [ ole32-error ] [ |ScriptStringFree *void* ] bi* ;
+
+: set-dc-colors ( dc font -- )
+    [ background>> color>RGB SetBkColor drop ]
+    [ foreground>> color>RGB SetTextColor drop ] 2bi ;
+
+: selection-start/end ( script-string -- iMinSel iMaxSel )
+    string>> dup selection? [ [ start>> ] [ end>> ] bi ] [ drop 0 0 ] if ;
+
+: (draw-script-string) ( script-string -- )
     [
-        ... dim ... [
-            make-script-string |ScriptStringFree
-            [ ]
-            [ draw-script-string ]
-            [
-                ScriptString_pSize
-                dup win32-error=0/f
-                [ SIZE-cx ] [ SIZE-cy ] bi 2array
-            ] tri
-        ] make-bitmap-image
-        script-string boa
-    ] with-destructors ;
-
-M: script-string dispose* pssa>> ScriptStringFree win32-error=0/f ;
-
-: line-offset>x ( offset script-string -- x )
-    pssa>> ! ssa
-    swap ! icp
-    ... ! fTrailing
-    0 <int> [ ScriptStringCPtoX win32-error=0/f ] keep *int ;
-
-: line-x>offset ( x script-string -- offset trailing )
-    pssa>> ! ssa
-    swap ! iX
-    0 <int> ! pCh
-    0 <int> ! piTrailing
-    [ ScriptStringXtoCP win32-error=0/f ] 2keep [ *int ] bi@ ;
\ No newline at end of file
+        ssa>> ! ssa
+        0 ! iX
+        0 ! iY
+        ETO_OPAQUE ! uOptions
+    ]
+    [ [ { 0 0 } ] dip size>> <RECT> ]
+    [ selection-start/end ] tri
+    ! iMinSel
+    ! iMaxSel
+    FALSE ! fDisabled
+    ScriptStringOut ole32-error ;
+
+: draw-script-string ( dc script-string -- )
+    [ font>> set-dc-colors ] keep (draw-script-string) ;
+
+:: make-script-string-image ( dc script-string -- image )
+    script-string size>> dc
+    [ dc script-string draw-script-string ] make-bitmap-image ;
+
+: set-dc-font ( dc font -- )
+    cache-font SelectObject win32-error=0/f ;
+
+: script-string-size ( script-string -- dim )
+    ssa>> ScriptString_pSize
+    dup win32-error=0/f
+    [ SIZE-cx ] [ SIZE-cy ] bi 2array ;
+
+: dc-metrics ( dc -- metrics )
+    "TEXTMETRICW" <c-object>
+    [ GetTextMetrics drop ] keep
+    TEXTMETRIC>metrics ;
+
+: <script-string> ( font string -- script-string )
+    [ script-string new-disposable ] 2dip
+        [ >>font ] [ >>string ] bi*
+    [
+        {
+            [ over font>> set-dc-font ]
+            [ dc-metrics >>metrics ]
+            [ over string>> make-script-string >>ssa ]
+            [ drop dup script-string-size >>size ]
+            [ over make-script-string-image >>image ]
+        } cleave
+    ] with-memory-dc ;
+
+PRIVATE>
+
+M: script-string dispose*
+    ssa>> <void*> ScriptStringFree ole32-error ;
+
+SYMBOL: cached-script-strings
+
+: cached-script-string ( font string -- script-string )
+    cached-script-strings get-global [ <script-string> ] 2cache ;
+
+[ <cache-assoc> cached-script-strings set-global ]
+"windows.uniscribe" add-init-hook