Paint selection, and create bitmap with power of 2 size as an optimizaion
U-SLAVA-DFB8FF805\Slava
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0dcb38d86a
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7f4784151c
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@ -1,79 +1,13 @@
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! Copyright (C) 2009 Slava Pestov.
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! Copyright (C) 2009 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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! See http://factorcode.org/license.txt for BSD license.
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USING: kernel assocs math sequences fry io.encodings.string
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USING: kernel assocs math sequences fry io.encodings.string
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io.encodings.utf16n accessors arrays combinators destructors
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io.encodings.utf16n accessors arrays combinators destructors locals
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cache namespaces init images.normalization alien.c-types locals
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cache namespaces init images.normalization fonts alien.c-types
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windows windows.usp10 windows.offscreen windows.gdi32
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windows windows.usp10 windows.offscreen windows.gdi32
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windows.ole32 windows.types windows.fonts ;
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windows.ole32 windows.types windows.fonts opengl.textures ;
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IN: windows.uniscribe
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IN: windows.uniscribe
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TUPLE: script-string metrics ssa size image string disposed ;
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TUPLE: script-string font string metrics ssa size image disposed ;
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: make-script-string ( dc string -- script-string )
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[ utf16n encode ] ! pString
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[ length ] bi ! cString
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dup 1.5 * 16 + >integer ! cGlyphs -- MSDN says this is "recommended size"
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-1 ! iCharset -- Unicode
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SSA_GLYPHS ! dwFlags
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0 ! iReqWidth
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f ! psControl
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f ! psState
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f ! piDx
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f ! pTabdef
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f ! pbInClass
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f <void*> ! pssa
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[ ScriptStringAnalyse ] keep
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[ ole32-error ] [ |ScriptStringFree *void* ] bi* ;
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: draw-script-string ( script-string -- )
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! ssa
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0 ! iX
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0 ! iY
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0 ! uOptions
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f ! prc
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0 ! iMinSel
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0 ! iMaxSel
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FALSE ! fDisabled
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ScriptStringOut ole32-error ;
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: set-dc-font ( dc font -- )
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[ cache-font SelectObject win32-error=0/f ]
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[ background>> color>RGB SetBkColor drop ]
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[ foreground>> color>RGB SetTextColor drop ] 2tri ;
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: script-string-size ( ssa -- dim )
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ScriptString_pSize
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dup win32-error=0/f
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[ SIZE-cx ] [ SIZE-cy ] bi 2array ;
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: dc-metrics ( dc -- metrics )
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"TEXTMETRICW" <c-object> [ GetTextMetrics drop ] keep
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TEXTMETRIC>metrics ;
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:: <script-string> ( font string -- script-string )
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#! Comments annotate BOA constructor arguments
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[| dc |
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dc font set-dc-font
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dc dc-metrics ! metrics
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dc string make-script-string dup :> ssa ! ssa
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dup script-string-size ! size
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dup dc [ ssa draw-script-string ] make-bitmap-image
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normalize-image ! image
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string ! string
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f script-string boa
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] with-memory-dc ;
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: text-position ( script-string -- loc ) drop { 0 0 } ;
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M: script-string dispose* ssa>> <void*> ScriptStringFree ole32-error ;
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SYMBOL: cached-script-strings
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: cached-script-string ( string font -- script-string )
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cached-script-strings get-global [ <script-string> ] 2cache ;
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[ <cache-assoc> cached-script-strings set-global ]
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"windows.uniscribe" add-init-hook
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: line-offset>x ( n script-string -- x )
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: line-offset>x ( n script-string -- x )
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2dup string>> length = [
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2dup string>> length = [
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@ -92,4 +26,93 @@ SYMBOL: cached-script-strings
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swap ! iX
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swap ! iX
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0 <int> ! pCh
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0 <int> ! pCh
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0 <int> ! piTrailing
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0 <int> ! piTrailing
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[ ScriptStringXtoCP ole32-error ] 2keep [ *int ] bi@ ;
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[ ScriptStringXtoCP ole32-error ] 2keep [ *int ] bi@ ;
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<PRIVATE
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: make-script-string ( dc string -- script-string )
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dup selection? [ string>> ] when
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[ utf16n encode ] ! pString
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[ length ] bi ! cString
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dup 1.5 * 16 + >integer ! cGlyphs -- MSDN says this is "recommended size"
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-1 ! iCharset -- Unicode
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SSA_GLYPHS ! dwFlags
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0 ! iReqWidth
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f ! psControl
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f ! psState
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f ! piDx
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f ! pTabdef
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f ! pbInClass
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f <void*> ! pssa
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[ ScriptStringAnalyse ] keep
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[ ole32-error ] [ |ScriptStringFree *void* ] bi* ;
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: set-dc-colors ( dc font -- )
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[ background>> color>RGB SetBkColor drop ]
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[ foreground>> color>RGB SetTextColor drop ] 2bi ;
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: selection-start/end ( script-string -- iMinSel iMaxSel )
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string>> dup selection? [ [ start>> ] [ end>> ] bi ] [ drop 0 0 ] if ;
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: (draw-script-string) ( script-string -- )
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[
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ssa>> ! ssa
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0 ! iX
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0 ! iY
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0 ! uOptions
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f ! prc
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]
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[ selection-start/end ] bi
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! iMinSel
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! iMaxSel
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FALSE ! fDisabled
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ScriptStringOut ole32-error ;
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: draw-script-string ( dc script-string -- )
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[ font>> set-dc-colors ] keep (draw-script-string) ;
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: script-string-bitmap-size ( script-string -- dim )
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size>> dup small-texture? [ [ next-power-of-2 ] map ] when ;
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:: make-script-string-image ( dc script-string -- image )
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script-string script-string-bitmap-size dc
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[ dc script-string draw-script-string ] make-bitmap-image ;
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: set-dc-font ( dc font -- )
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cache-font SelectObject win32-error=0/f ;
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: script-string-size ( script-string -- dim )
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ssa>> ScriptString_pSize
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dup win32-error=0/f
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[ SIZE-cx ] [ SIZE-cy ] bi 2array ;
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: dc-metrics ( dc -- metrics )
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"TEXTMETRICW" <c-object>
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[ GetTextMetrics drop ] keep
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TEXTMETRIC>metrics ;
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: <script-string> ( font string -- script-string )
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[ script-string new ] 2dip
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[ >>font ] [ >>string ] bi*
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[
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{
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[ over font>> set-dc-font ]
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[ dc-metrics >>metrics ]
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[ over string>> make-script-string >>ssa ]
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[ drop dup script-string-size >>size ]
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[ over make-script-string-image >>image ]
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} cleave
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] with-memory-dc ;
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PRIVATE>
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M: script-string dispose*
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ssa>> <void*> ScriptStringFree ole32-error ;
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SYMBOL: cached-script-strings
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: cached-script-string ( string font -- script-string )
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cached-script-strings get-global [ <script-string> ] 2cache ;
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[ <cache-assoc> cached-script-strings set-global ]
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"windows.uniscribe" add-init-hook
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