! See http://factorcode.org/license.txt for BSD license.
USING: sequences math kernel byte-arrays cairo.ffi cairo
io.backend ui.gadgets accessors opengl.gl arrays fry
-classes ui.render namespaces ;
-
+classes ui.render namespaces destructors libc ;
IN: cairo.gadgets
+<PRIVATE
: width>stride ( width -- stride ) 4 * ;
+
+: image-dims ( gadget -- width height stride )
+ dim>> first2 over width>stride ; inline
+: image-buffer ( width height stride -- alien )
+ * nip malloc ; inline
+PRIVATE>
GENERIC: render-cairo* ( gadget -- )
-: render-cairo ( gadget -- byte-array )
- dup dim>> first2 over width>stride
- [ * nip <byte-array> dup CAIRO_FORMAT_ARGB32 ]
- [ cairo_image_surface_create_for_data ] 3bi
- rot '[ _ render-cairo* ] with-cairo-from-surface ; inline
+: render-cairo ( gadget -- alien )
+ [
+ image-dims
+ [ image-buffer dup CAIRO_FORMAT_ARGB32 ]
+ [ cairo_image_surface_create_for_data ] 3bi
+ ] [ '[ _ render-cairo* ] with-cairo-from-surface ] bi ;
TUPLE: cairo-gadget < gadget ;
swap >>dim ;
M: cairo-gadget draw-gadget*
- [ dim>> ] [ render-cairo ] bi
- origin get first2 glRasterPos2i
- 1.0 -1.0 glPixelZoom
- [ first2 GL_BGRA GL_UNSIGNED_BYTE ] dip
- glDrawPixels ;
+ [
+ [ dim>> ] [ render-cairo &free ] bi
+ origin get first2 glRasterPos2i
+ 1.0 -1.0 glPixelZoom
+ [ first2 GL_BGRA GL_UNSIGNED_BYTE ] dip
+ glDrawPixels
+ ] with-destructors ;
: copy-surface ( surface -- )
cr swap 0 0 cairo_set_source_surface
HELP: INSTANCE:
{ $syntax "INSTANCE: instance mixin" }
-{ $values { "instance" "a class word" } { "instance" "a class word" } }
+{ $values { "instance" "a class word" } { "mixin" "a mixin class word" } }
{ $description "Makes " { $snippet "instance" } " an instance of " { $snippet "mixin" } "." } ;
HELP: PREDICATE:
--- /dev/null
+! Copyright (C) 2008 Joe Groff.
+! See http://factorcode.org/license.txt for BSD license.
+USING: help.markup help.syntax multiline ;
+IN: literals
+
+HELP: $
+{ $syntax "$ word" }
+{ $description "Executes " { $snippet "word" } " at parse time and adds the result(s) to the parser accumulator." }
+{ $notes "Since " { $snippet "word" } " is executed at parse time, " { $snippet "$" } " cannot be used with words defined in the same compilation unit." }
+{ $examples
+
+ { $example <"
+USING: kernel literals prettyprint ;
+IN: scratchpad
+
+<< : five 5 ; >>
+{ $ five } .
+ "> "{ 5 }" }
+
+ { $example <"
+USING: kernel literals prettyprint ;
+IN: scratchpad
+
+<< : seven-eleven 7 11 ; >>
+{ $ seven-eleven } .
+ "> "{ 7 11 }" }
+
+} ;
+
+HELP: $[
+{ $syntax "$[ code ]" }
+{ $description "Calls " { $snippet "code" } " at parse time and adds the result(s) to the parser accumulator." }
+{ $notes "Since " { $snippet "code" } " is executed at parse time, it cannot reference any words defined in the same compilation unit." }
+{ $examples
+
+ { $example <"
+USING: kernel literals math prettyprint ;
+IN: scratchpad
+
+<< : five 5 ; >>
+{ $[ five dup 1+ dup 2 + ] } .
+ "> "{ 5 6 8 }" }
+
+} ;
+
+{ POSTPONE: $ POSTPONE: $[ } related-words
+
+ARTICLE: "literals" "Interpolating code results into literal values"
+"The " { $vocab-link "literals" } " vocabulary contains words to run code at parse time and insert the results into more complex literal values."
+{ $example <"
+USING: kernel literals math prettyprint ;
+IN: scratchpad
+
+<< : five 5 ; >>
+{ $ five $[ five dup 1+ dup 2 + ] } .
+ "> "{ 5 5 6 8 }" }
+{ $subsection POSTPONE: $ }
+{ $subsection POSTPONE: $[ }
+;
+
+ABOUT: "literals"
-USING: kernel literals tools.test ;
+USING: kernel literals math tools.test ;
IN: literals.tests
<<
[ { 5 } ] [ { $ five } ] unit-test
[ { 7 11 } ] [ { $ seven-eleven } ] unit-test
[ { 6 6 6 } ] [ { $ six-six-six } ] unit-test
+
+[ { 8 8 8 } ] [ { $[ six-six-six [ 2 + ] tri@ ] } ] unit-test
-USING: continuations kernel parser words ;
+! (c) Joe Groff, see license for details
+USING: continuations kernel parser words quotations ;
IN: literals
: $ scan-word [ execute ] curry with-datastack ; parsing
+: $[ \ ] parse-until >quotation with-datastack ; parsing
--- /dev/null
+Expression interpolation into sequence literals
--- /dev/null
+! (c)2008 Joe Groff, see BSD license etc.
+USING: help.markup help.syntax kernel math multiline sequences ;
+IN: sequences.n-based
+
+HELP: <n-based-assoc>
+{ $values { "seq" sequence } { "base" integer } { "n-based-assoc" n-based-assoc } }
+{ $description "Wraps " { $snippet "seq" } " in an " { $link n-based-assoc } " wrapper." }
+{ $examples
+{ $example <"
+USING: assocs prettyprint kernel sequences.n-based ;
+IN: scratchpad
+
+: months
+ {
+ "January"
+ "February"
+ "March"
+ "April"
+ "May"
+ "June"
+ "July"
+ "August"
+ "September"
+ "October"
+ "November"
+ "December"
+ } 1 <n-based-assoc> ;
+
+10 months at .
+"> "\"October\"" } } ;
+
+HELP: n-based-assoc
+{ $class-description "An adaptor class that allows a sequence to be treated as an assoc with non-zero-based keys." }
+{ $examples
+{ $example <"
+USING: assocs prettyprint kernel sequences.n-based ;
+IN: scratchpad
+
+: months
+ {
+ "January"
+ "February"
+ "March"
+ "April"
+ "May"
+ "June"
+ "July"
+ "August"
+ "September"
+ "October"
+ "November"
+ "December"
+ } 1 <n-based-assoc> ;
+
+10 months at .
+"> "\"October\"" } } ;
+
+{ n-based-assoc <n-based-assoc> } related-words
+
+ARTICLE: "sequences.n-based" "sequences.n-based"
+"The " { $vocab-link "sequences.n-based" } " vocabulary provides a sequence adaptor that allows a sequence to be treated as an assoc with non-zero-based keys."
+{ $subsection n-based-assoc }
+{ $subsection <n-based-assoc> }
+;
+
+ABOUT: "sequences.n-based"
--- /dev/null
+! (c)2008 Joe Groff, see BSD license etc.
+USING: kernel accessors assocs
+sequences sequences.n-based tools.test ;
+IN: sequences.n-based.tests
+
+: months
+ V{
+ "January"
+ "February"
+ "March"
+ "April"
+ "May"
+ "June"
+ "July"
+ "August"
+ "September"
+ "October"
+ "November"
+ "December"
+ } clone 1 <n-based-assoc> ; inline
+
+[ "December" t ]
+[ 12 months at* ] unit-test
+[ f f ]
+[ 13 months at* ] unit-test
+[ f f ]
+[ 0 months at* ] unit-test
+
+[ 12 ] [ months assoc-size ] unit-test
+
+[ {
+ { 1 "January" }
+ { 2 "February" }
+ { 3 "March" }
+ { 4 "April" }
+ { 5 "May" }
+ { 6 "June" }
+ { 7 "July" }
+ { 8 "August" }
+ { 9 "September" }
+ { 10 "October" }
+ { 11 "November" }
+ { 12 "December" }
+} ] [ months >alist ] unit-test
+
+[ V{
+ "January"
+ "February"
+ "March"
+ "April"
+ "May"
+ "June"
+ "July"
+ "August"
+ "September"
+ "October"
+ "November"
+ "December"
+ "Smarch"
+} ] [ "Smarch" 13 months [ set-at ] keep seq>> ] unit-test
+
+[ V{ } ] [ months [ clear-assoc ] keep seq>> ] unit-test
+
+
--- /dev/null
+! (c)2008 Joe Groff, see BSD license etc.
+USING: accessors assocs kernel math math.ranges sequences
+sequences.private ;
+IN: sequences.n-based
+
+TUPLE: n-based-assoc seq base ;
+C: <n-based-assoc> n-based-assoc
+
+<PRIVATE
+
+: n-based@ ( key assoc -- n seq )
+ [ base>> - ] [ nip seq>> ] 2bi ;
+: n-based-keys ( assoc -- range )
+ [ base>> ] [ assoc-size ] bi 1 <range> ;
+
+PRIVATE>
+
+INSTANCE: n-based-assoc assoc
+M: n-based-assoc at* ( key assoc -- value ? )
+ n-based@ 2dup bounds-check?
+ [ nth-unsafe t ] [ 2drop f f ] if ;
+M: n-based-assoc assoc-size ( assoc -- size )
+ seq>> length ;
+M: n-based-assoc >alist ( assoc -- alist )
+ [ n-based-keys ] [ seq>> ] bi zip ;
+M: n-based-assoc set-at ( value key assoc -- )
+ n-based@ set-nth ;
+M: n-based-assoc delete-at ( key assoc -- )
+ [ f ] 2dip n-based@ set-nth ;
+M: n-based-assoc clear-assoc ( assoc -- )
+ seq>> delete-all ;
--- /dev/null
+Sequence adaptor to treat a sequence as an n-based assoc
--- /dev/null
+sequences
+assocs
projects / factor.git / commitdiff