Paint selection, and create bitmap with power of 2 size as an optimizaion

db4
U-SLAVA-DFB8FF805\Slava 2009-04-03 06:59:27 -05:00
parent 0dcb38d86a
commit 7f4784151c
1 changed files with 94 additions and 71 deletions

View File

@ -1,79 +1,13 @@
! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel assocs math sequences fry io.encodings.string
io.encodings.utf16n accessors arrays combinators destructors
cache namespaces init images.normalization alien.c-types locals
io.encodings.utf16n accessors arrays combinators destructors locals
cache namespaces init images.normalization fonts alien.c-types
windows windows.usp10 windows.offscreen windows.gdi32
windows.ole32 windows.types windows.fonts ;
windows.ole32 windows.types windows.fonts opengl.textures ;
IN: windows.uniscribe
TUPLE: script-string metrics ssa size image string disposed ;
: make-script-string ( dc string -- script-string )
[ utf16n encode ] ! pString
[ length ] bi ! cString
dup 1.5 * 16 + >integer ! cGlyphs -- MSDN says this is "recommended size"
-1 ! iCharset -- Unicode
SSA_GLYPHS ! dwFlags
0 ! iReqWidth
f ! psControl
f ! psState
f ! piDx
f ! pTabdef
f ! pbInClass
f <void*> ! pssa
[ ScriptStringAnalyse ] keep
[ ole32-error ] [ |ScriptStringFree *void* ] bi* ;
: draw-script-string ( script-string -- )
! ssa
0 ! iX
0 ! iY
0 ! uOptions
f ! prc
0 ! iMinSel
0 ! iMaxSel
FALSE ! fDisabled
ScriptStringOut ole32-error ;
: set-dc-font ( dc font -- )
[ cache-font SelectObject win32-error=0/f ]
[ background>> color>RGB SetBkColor drop ]
[ foreground>> color>RGB SetTextColor drop ] 2tri ;
: script-string-size ( ssa -- dim )
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 )
#! Comments annotate BOA constructor arguments
[| dc |
dc font set-dc-font
dc dc-metrics ! metrics
dc string make-script-string dup :> ssa ! ssa
dup script-string-size ! size
dup dc [ ssa draw-script-string ] make-bitmap-image
normalize-image ! image
string ! string
f script-string boa
] with-memory-dc ;
: text-position ( script-string -- loc ) drop { 0 0 } ;
M: script-string dispose* ssa>> <void*> ScriptStringFree ole32-error ;
SYMBOL: cached-script-strings
: cached-script-string ( string font -- script-string )
cached-script-strings get-global [ <script-string> ] 2cache ;
[ <cache-assoc> cached-script-strings set-global ]
"windows.uniscribe" add-init-hook
TUPLE: script-string font string metrics ssa size image disposed ;
: line-offset>x ( n script-string -- x )
2dup string>> length = [
@ -92,4 +26,93 @@ SYMBOL: cached-script-strings
swap ! iX
0 <int> ! pCh
0 <int> ! piTrailing
[ ScriptStringXtoCP ole32-error ] 2keep [ *int ] bi@ ;
[ 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 + >integer ! cGlyphs -- MSDN says this is "recommended size"
-1 ! iCharset -- Unicode
SSA_GLYPHS ! dwFlags
0 ! iReqWidth
f ! psControl
f ! psState
f ! piDx
f ! pTabdef
f ! pbInClass
f <void*> ! pssa
[ ScriptStringAnalyse ] keep
[ 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 -- )
[
ssa>> ! ssa
0 ! iX
0 ! iY
0 ! uOptions
f ! prc
]
[ selection-start/end ] bi
! iMinSel
! iMaxSel
FALSE ! fDisabled
ScriptStringOut ole32-error ;
: draw-script-string ( dc script-string -- )
[ font>> set-dc-colors ] keep (draw-script-string) ;
: script-string-bitmap-size ( script-string -- dim )
size>> dup small-texture? [ [ next-power-of-2 ] map ] when ;
:: make-script-string-image ( dc script-string -- image )
script-string script-string-bitmap-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 ] 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 ( string font -- script-string )
cached-script-strings get-global [ <script-string> ] 2cache ;
[ <cache-assoc> cached-script-strings set-global ]
"windows.uniscribe" add-init-hook