From: Mart Lubbers Date: Fri, 29 May 2015 12:47:41 +0000 (+0200) Subject: t X-Git-Url: https://git.martlubbers.net/?a=commitdiff_plain;h=d556e5508fe89ce51708b6914ae78a00aaa01ad8;p=fp1415.git t --- diff --git a/fp2/week6/mart/BinSearchTreeImage.icl b/fp2/week6/mart/BinSearchTreeImage.icl deleted file mode 100644 index 1662608..0000000 --- a/fp2/week6/mart/BinSearchTreeImage.icl +++ /dev/null @@ -1,57 +0,0 @@ -module BinSearchTreeImage - -/* Instructions: - -(1) copy BinTree.(i/d)cl and BinSearchTree.(i/d)cl from Practicum to - {iTasks-SDK}\Experiments\SVG_tests\ - -(2) in these modules change the type - - :: Tree a = Node a (Tree a) (Tree a) | Leaf - - to - - :: BTree a = BLeaf | BNode a (BTree a) (BTree a) // ORDER OF DATACONSTRUCTORS IS ESSENTIAL!! - - and adapt the corresponding function definitions. - -(3) this main file (BinSearchTreeImage.icl) must be in the same folder: - {iTasks-SDK}\Experiments\SVG_tests\ - -(4) create a new project and set de environment to 'iTasks' - -(5) Bring-Up-To-Date and start generated application - -(6) Open a browser and navigate to localhost. - The application creates two tasks: - (a) The task on the left allows you to enter subsequent elements that are inserted in the tree, one after another. - (b) The task on the right must be finished by you by writing the function treeImage. This function must render the tree structure in such a way - that Nodes of the same depth have the same y-coordinate, and the root having the smallest y-coordinate. -*/ - -import iTasks // de algemene iTask API -import iTasks.API.Extensions.SVG.SVGlet // specialiseer task editors -from StdFunc import flip - -import BinSearchTree // type definition of Tree and sample trees z0 .. z8 -derive class iTask BTree - -Start :: *World -> *World -Start world = startEngine [publish "/" (WebApp []) (\_ -> task)] world - -task :: Task [Int] -task = withShared [] (\sharedList -> - ( (updateSharedInformation (Title "Edit list") [] sharedList <<@ ArrangeHorizontal) - -||- - (viewSharedInformation (Title "Tree view") [imageView treeImage` (\_ _ -> Nothing)] sharedList <<@ ArrangeHorizontal) - ) <<@ ArrangeHorizontal - ) <<@ FullScreen - -font = normalFontDef "Courier New" fonthoogte -fonthoogte = 14.0 - -treeImage` :: [Int] *TagSource -> Image m -treeImage` nrs tags = treeImage (foldl (flip insertTree) BLeaf nrs) tags - -treeImage :: (BTree Int) *TagSource -> Image m -treeImage tree ts = text (normalFontDef "Courier New" 12.0) "I need to draw a tree!" diff --git a/fp2/week6/mart/GuessWhat.icl b/fp2/week6/mart/GuessWhat.icl deleted file mode 100644 index 8e6284a..0000000 --- a/fp2/week6/mart/GuessWhat.icl +++ /dev/null @@ -1,96 +0,0 @@ -module GuessWhat - -/* Instructions: - -(1) copy this main file (GuessWhat.icl), QA_shapes.(d/i)cl, and QA.(d/i)cl in the folder: - {iTasks-SDK}\Experiments\SVG_tests\ - -(2) create a new project and set de environment to 'iTasks' - -(3) Bring-Up-To-Date and start generated application - -(4) Open a browser and navigate to localhost. - The application creates a task that randomly selects a number of image-name pairs and asks the user to - give the right name to the right image. Once this is done correctly, the task terminates, otherwise the - user can try again. - -(5) Create a new set of QA-shapes. You can choose one of the following: - (i) Dutch traffic signs. See attached document: - Reglement-verkeersregels-en-verkeersteke.pdf, appendix 1, hoofdstuk A upto L. - - Implement **at least 15** traffic signs. In your solution, clearly indicate at each traffic sign - which one you have implemented (use the numbers in the right-most column in the above document). - - - (ii) European flags. See the following wikipedia page: - http://nl.wikipedia.org/wiki/Lijst_van_vlaggen_van_Europa - - Implement **at least 15** flags. In your solution, clearly indicate at each flag which one you - have implemented by the name of the nation or organization. -*/ - -import iTasks // de algemene iTask API -import iTasks.API.Extensions.SVG.SVGlet // specialiseer task editors -from Data.List import zipWith - -import QA_shapes // the QA elements that have to be guessed - -nr_of_qas :== 10 - -Start :: *World -> *World -Start world = startEngine [publish "/" (WebApp []) (\_ -> play queries)] world - -play :: [QA] -> Task String -play [] - = viewInformation "missing queries" [] "No queries are available" -play qas - = sequence "throw dice" (repeatn (nr_of_qas + length qas) (get randomInt)) - >>= \nrs -> let (nrs1,nrs2) = splitAt nr_of_qas nrs - shuffled_qas = shuffle nrs2 qas - (qs,as) = unzip (take nr_of_qas shuffled_qas) - sas = shuffle nrs1 as - in keep_guessing qs as sas - -keep_guessing :: [Image ()] [String] [String] -> Task String -keep_guessing qs as sas - = allTasks [guess i q sas \\ q <- qs & i <- [1 ..]] - >>* [ OnAction (Action "Check" []) (hasValue (check_answers qs as sas)) - , OnAction ActionQuit (always (return "Goodbye")) - ] - -check_answers :: [Image ()] [String] [String] [String] -> Task String -check_answers qs as sas nas -| ok == nr_of_qas - = viewInformation "Tada!" [] "Congratulations! All correct!" -| otherwise - = (viewInformation "Ouch!" [] ("Too bad: there are " <+++ nr_of_qas - ok <+++ " mistakes.") - ||- - allTasks [ ((show_image i q <<@ ArrangeHorizontal) - ||- - (viewInformation "isn't" [] a <<@ ArrangeHorizontal) - ) <<@ ArrangeHorizontal - \\ wrong <- zipWith (<>) as nas - & q <- qs - & a <- nas - & i <- [1 ..] - | wrong - ] - ) >>* [ OnAction (Action "Try again" []) (always (keep_guessing qs as sas)) - , OnAction ActionQuit (always (return "Goodbye")) - ] -where - ok = length [() \\ a <- as & b <- nas | a == b] - -show_image :: Int (Image ()) -> Task () -show_image i q = viewInformation ("image " <+++ i) [imageView (\_ _ -> q) (\_ _ -> Nothing)] () - -guess :: Int (Image ()) [String] -> Task String -guess i q sas - = ( (show_image i q <<@ ArrangeHorizontal) - ||- - (enterChoice "is:" [ChooseWith (ChooseFromComboBox id)] sas <<@ ArrangeHorizontal) - ) <<@ ArrangeHorizontal - -shuffle :: [Int] [a] -> [a] -shuffle rnrs as - = fst (unzip (sortBy (\(_,r1) (_,r2) -> r1 < r2) (zip2 as rnrs))) diff --git a/fp2/week6/mart/QA.dcl b/fp2/week6/mart/QA.dcl deleted file mode 100644 index 051640d..0000000 --- a/fp2/week6/mart/QA.dcl +++ /dev/null @@ -1,5 +0,0 @@ -definition module QA - -import Graphics.Scalable // de Graphics.Scalable API - -:: QA :== (Image (), String) diff --git a/fp2/week6/mart/QA.icl b/fp2/week6/mart/QA.icl deleted file mode 100644 index 1f0b13d..0000000 --- a/fp2/week6/mart/QA.icl +++ /dev/null @@ -1,3 +0,0 @@ -implementation module QA - -import Graphics.Scalable diff --git a/fp2/week6/mart/QA_shapes.dcl b/fp2/week6/mart/QA_shapes.dcl deleted file mode 100644 index 14664fc..0000000 --- a/fp2/week6/mart/QA_shapes.dcl +++ /dev/null @@ -1,5 +0,0 @@ -definition module QA_shapes - -import QA - -queries :: [QA] diff --git a/fp2/week6/mart/QA_shapes.icl b/fp2/week6/mart/QA_shapes.icl deleted file mode 100644 index fdb1a54..0000000 --- a/fp2/week6/mart/QA_shapes.icl +++ /dev/null @@ -1,27 +0,0 @@ -implementation module QA_shapes - -import QA, StdReal - -// deze module definieert een aantal eenvoudige vorm-naam elementen - -d :== px 40.0 -font :== normalFontDef "Times" 40.0 - -queries :: [QA] -queries - = [(rect d d, "square") - ,(circle d <@< {strokewidth=zero}, "circle") - ,(ellipse d (d /. 2) <@< {strokewidth=zero}, "ellipse") - ,(text font "Hello", "text") - ,(margin (d /. 2,px zero) (xline Nothing d), "xline") - ,(margin (px zero,d /. 2) (yline Nothing d), "yline") - ,(line Nothing Slash d d, "slash") - ,(line Nothing Backslash d d, "backslash") - ,(polygon Nothing [(d/.2,zero),(d,d),(zero,d)], "triangle") - ,(polyline Nothing [(d/.2,zero),(d,d),(zero,d),(d/.2,zero)], "polyline") - ,(fitx (d /. 1.2) - (overlay [(AtMiddleX,AtMiddleY),(AtMiddleX,AtMiddleY)] - [] - [rect d d,rotate (deg 45.0) (rect d d)] - Nothing), "star") - ] diff --git a/fp2/week6/mart/Reglement-verkeersregels-en-verkeersteke.pdf b/fp2/week6/mart/Reglement-verkeersregels-en-verkeersteke.pdf deleted file mode 100644 index a5e6403..0000000 Binary files a/fp2/week6/mart/Reglement-verkeersregels-en-verkeersteke.pdf and /dev/null differ diff --git a/fp2/week6/mart/SimpleSVG.icl b/fp2/week6/mart/SimpleSVG.icl deleted file mode 100644 index 38544b1..0000000 --- a/fp2/week6/mart/SimpleSVG.icl +++ /dev/null @@ -1,454 +0,0 @@ -module SimpleSVG - -/* How to create and test an iTask program: - 1. Install the iTask Clean compiler - 2. Create a new project with this module as main module - 3. Select the 'iTasks' environment - 4. Bring the project Up-Uo-Date - 5. Start the generated exe (this launches a local web server, allow your OS to unblock the exe) - 6. Open a web browser (Google Chrome gives the best results) - 7. Navigate to http://localhost/ activates the root-application (hello world) - 8. Navigate to http://localhost/LABEL activates the application with the corresponding LABEL (e.g. http://localhost/basic) -*/ - -import iTasks // the iTask API -import iTasks.API.Extensions.SVG.SVGlet // required to embed Image-tasks inside other tasks -import StdArray - -const2 :: .a .b .c -> .a -const2 x _ _ = x - -:: Person = {name :: String, surname :: String, birth :: Date} -derive class iTask Person - -person = {name = "Peter", surname = "Achten", birth = {day=9,mon=1,year=1967}} - -Start :: *World -> *World -Start world - = startEngine [publish "/" (WebApp []) (const (viewInformation "Hello" [] "World!" <<@ FullScreen)) - ,publish "/basic" (WebApp []) (const (viewInformation "Basic Images" [imageView basic_images (const2 Nothing)] model <<@ FullScreen)) - ,publish "/transformations" (WebApp []) (const (viewInformation "Transformations" [imageView transformed_images (const2 Nothing)] model <<@ FullScreen)) - ,publish "/overlays" (WebApp []) (const (viewInformation "Overlays" [imageView overlays (const2 Nothing)] model <<@ FullScreen)) - ,publish "/linear" (WebApp []) (const (viewInformation "Linear" [imageView linear (const2 Nothing)] model <<@ FullScreen)) - ,publish "/grid" (WebApp []) (const (viewInformation "Grid" [imageView grid_layouts (const2 Nothing)] model <<@ FullScreen)) - ,publish "/box" (WebApp []) (const (viewInformation "Box" [imageView box2 (const2 Nothing)] model <<@ FullScreen)) - ,publish "/rose" (WebApp []) (const (viewInformation "Rose" [imageView rose (const2 Nothing)] model <<@ FullScreen)) - ,publish "/onclick" (WebApp []) (const (updateInformation "On-Click" [imageUpdate id count (\_ _ -> Nothing) (\_ n -> n) ] 0 <<@ FullScreen)) - ,publish "/100percent" (WebApp []) (const (viewInformation "100% Clean!" [imageView clean (const2 Nothing)] model <<@ FullScreen)) - ] world -where - model = () // for these examples, the model is actually irrelevant - -// This examples displays the basic Image shapes -basic_images :: m *TagSource -> Image m -basic_images model tags - = margin (px zero,px 100.0,px zero,px zero) ( - grid (Columns 3) (RowMajor,LeftToRight,TopToBottom) (updateAt 6 (AtLeft,AtMiddleY) (repeat (AtLeft,AtTop))) [] - [ above [] [] [empty (px 200.0) (px 100.0), txts ["empty (px 200.0) (px 100.0)"]] Nothing - , above [] [] [margin (px zero,px 5.0,px zero,px 5.0) (rect (px 200.0) (px 100.0)) - , txts ["rect (px 200.0) (px 100.0)"]] Nothing - , above [] [] [rect (px 200.0) (px 100.0) <@< {fill = toSVGColor "none"} - , txts ["rect (px 200.0) (px 100.0)" - ,"<@< {fill = toSVGColor \"none\"}" - ]] Nothing - , above [] [] [circle (px 100.0), txts ["circle (px 100.0)"]] Nothing - , above [] [] [ellipse (px 200.0) (px 100.0), txts ["ellipse (px 200.0) (px 100.0)"]] Nothing - , above [] [] [overlay [] [] - [text (normalFontDef "Times New Roman" 100.0) "Hey World!"] - (Just (empty (px 200.0) (px 100.0))) - , txts ["text (normalFontDef \"Times New Roman\" 100.0) \"Hey World!\""]] Nothing - , above [] [] [xline Nothing (px 200.0), txts ["xline Nothing (px 200.0)"]] Nothing - , above [AtMiddleX] [] [yline Nothing (px 100.0), txts ["yline Nothing (px 100.0)"]] Nothing - , above [] [] [line Nothing Slash (px 200.0) (px 100.0) - , txts ["line Nothing Slash (px 200.0) (px 100.0)"]] Nothing - , above [] [] [line Nothing Backslash (px 200.0) (px 100.0) - , txts ["line Nothing Backslash (px 200.0) (px 100.0)"]] Nothing - , above [] [] [polygon Nothing [(zero,zero),(px 200.0,px 100.0),(px 200.0,zero),(zero,px 100.0)] - , txts ["polygon Nothing" - ," [(zero, zero )" - ," ,(px 200.0,px 100.0)" - ," ,(px 200.0,zero )" - ," ,(zero, px 100.0)]"]] Nothing - , above [] [] [polyline Nothing [(zero,zero),(px 200.0,px 100.0),(px 200.0,zero),(zero,px 100.0)] - , txts ["polyline Nothing" - ," [(zero, zero )" - ," ,(px 200.0,px 100.0)" - ," ,(px 200.0,zero )" - ," ,(zero, px 100.0)]"]] Nothing - ] Nothing - ) -where - txts lines = margin (px 5.0,px 10.0,px 10.0,px 10.0) (above [] [] (map (text (normalFontDef "Lucida Console" 10.0)) lines) Nothing) - -// This examples shows all possible transformations on (composite) Image-s: -transformed_images :: m *TagSource -> Image m -transformed_images model tags - = margin (px 100.0) ( - grid (Columns 4) (RowMajor,LeftToRight,TopToBottom) [] [] - [ above (repeat AtMiddleX) [] [img, txt "img"] Nothing - , above (repeat AtMiddleX) [] [fit (px 100.0) - (px 100.0) img, txt "fit (px 100.0) (px 100.0) img"] Nothing - , above (repeat AtMiddleX) [] [fitx (px 100.0) img, txt "fitx (px 100.0) img"] Nothing - , above (repeat AtMiddleX) [] [fity (px 100.0) img, txt "fity (px 100.0) img"] Nothing - , above (repeat AtMiddleX) [] [rotate (deg -20.0) img, txt "rotate (deg -20.0) img"] Nothing - , above (repeat AtMiddleX) [] [rotate (deg 20.0) img, txt "rotate (deg 20.0) img"] Nothing - , above (repeat AtMiddleX) [] [skewx (deg -20.0) img, txt "skewx (deg -20.0) img"] Nothing - , above (repeat AtMiddleX) [] [skewx (deg 20.0) img, txt "skewx (deg 20.0) img"] Nothing - , above (repeat AtMiddleX) [] [flipx img, txt "flipx img"] Nothing - , above (repeat AtMiddleX) [] [flipy img, txt "flipy img"] Nothing - , above (repeat AtMiddleX) [] [skewy (deg -20.0) img, txt "skewy (deg -20.0) img"] Nothing - , above (repeat AtMiddleX) [] [skewy (deg 20.0) img, txt "skewy (deg 20.0) img"] Nothing - ] Nothing - ) -where - img = text (normalFontDef "Times New Roman" 50.0) "F" - txt s = text (normalFontDef "Lucida Console" 10.0) s - -// This example shows all overlay-combinations: -overlays :: m *TagSource -> Image m -overlays model tags - = margin (px 10.0) ( - grid (Rows 3) (RowMajor,LeftToRight,TopToBottom) [] [] - [ beside (repeat AtMiddleY) [] - [ margin (px 5.0) (overlay (repeat (x_align,y_align)) [] discs Nothing) - , txt ("(" <+++ x_align <+++ "," <+++ y_align <+++ ")*") - ] Nothing - \\ x_align <- [AtLeft,AtMiddleX,AtRight] - , y_align <- [AtTop, AtMiddleY,AtBottom] - ] Nothing - ) -where - txt s = text (normalFontDef "Lucida Console" 10.0) s - -// This example shows all beside and above combinations: -linear :: m *TagSource -> Image m -linear model tags - = margin (px 10.0) ( - beside (repeat AtTop) [] - [ beside (repeat AtMiddleY) [] - [ txt " beside " <@< {stroke = toSVGColor "blue"} <@< {fill = toSVGColor "blue"} - , above (repeat AtLeft) [] - [ beside (repeat AtMiddleY) [] [ beside (repeat y_align) [] discs Nothing - , txt (" " <+++ y_align <+++ "*") - ] Nothing - \\ y_align <- [AtTop,AtMiddleY,AtBottom] - ] Nothing - ] Nothing - , beside (repeat AtMiddleY) [] - [ txt " above " <@< {stroke = toSVGColor "blue"} <@< {fill = toSVGColor "blue"} - , beside (repeat AtTop) [] - [ above (repeat AtMiddleX) [] [ txt (" " <+++ x_align <+++ "*") - , above (repeat x_align) [] discs Nothing - ] Nothing - \\ x_align <- [AtLeft,AtMiddleX,AtRight] - ] Nothing - ] Nothing - ] Nothing - ) -where - txt s = text (normalFontDef "Lucida Console" 10.0) s - -// This example shows all grid-layout combinations: -grid_layouts :: m *TagSource -> Image m -grid_layouts model tags - = margin (px zero) ( - grid (Columns 4) (RowMajor,LeftToRight,TopToBottom) [] [] - [ above (repeat AtMiddleX) [] - [ margin (px 5.0,px zero) (grid (Columns 2) (major,x_fill,y_fill) [] [] discs Nothing) - , txt (" (" <+++ major <+++ "," <+++ x_fill <+++ "," <+++ y_fill <+++ ") ") - ] Nothing - \\ major <- [ColumnMajor,RowMajor ] - , x_fill <- [LeftToRight,RightToLeft] - , y_fill <- [TopToBottom,BottomToTop] - ] Nothing - ) -where - txt s = text (normalFontDef "Lucida Console" 10.0) s - -// This example shows the use of ImageTag to display two images inside a rectangle that depends on each others dimensions: -box2 :: m *TagSource -> Image m -box2 _ tags = pair (arrow, rotate (deg -90.0) arrow) tags -where - arrow = polygon Nothing [(px zero,px -10.0),(px 55.0,px -10.0),(px 50.0,px -30.0),(px 85.0,px zero) - ,(px 50.0,px 30.0),(px 55.0,px 10.0),(px zero,px 10.0) - ] - -// This example shows the use of ImageTag to display an arbitrary rose tree structure: -rose :: m *TagSource -> Image m -rose _ tags = fst (show show_my_node my_rose_tree tags) -where - show_my_node txt ts - = (margin (px zero,px zero,px bottom,px zero) ( - overlay [(AtMiddleX,AtMiddleY)] [] - [text font txt] - (Just (rect (textxspan font txt + textxspan font "MM") (px (height + text_y_margin)) <@< {fill = toSVGColor "white"}))) - , ts - ) - where - font = normalFontDef "Arial" height - height = 10.0 - text_y_margin = 5.0 - bottom = 5.0 - -// This examples displays the number of times that you've clicked on the text -count :: Int *TagSource -> Image Int -count n _ - = margin (px zero) ( - overlay [(AtMiddleX,AtMiddleY)] [] - [ text font (toString n) <@< {fill = toSVGColor "white"}] - (Just (rect (textxspan font (" " <+++ n)) (px (h + m)))) - <@< {onclick = (+), local = False} - ) -where - font = normalFontDef "Times New Roman" h - h = 100.0 - m = 6.0 - -// This example shows an image displayed by Marc Schoolderman during 'practicum' friday afternoon, may 22 2015 -clean :: m *TagSource -> Image m -clean model tags - = overlay (repeat (AtMiddleX,AtMiddleY)) [] - [ star 31 (r_in,r_out) - , circle (px r_in *. 1.6) <@< {strokewidth = px bandwidth} <@< {stroke = toSVGColor "white"} - , rotate (rad (pi * 0.25)) (circular (px r_in *. 0.8) (2.0 * pi) (repeatn 4 (circle (px bandwidth *. 0.8)))) - , rotate (rad (pi * 0.32)) (circular (px zero) (2.0 * pi) (map (arctext (px r_in *. 0.78) (0.4 * pi) narrowfont) ["NO VIRUSES","NO SPYWARE","NO VIRUSES","NO SPYWARE"])) - , above (repeat AtMiddleX) [] (map (((>@>) {fill = toSVGColor "white"}) o ((>@>) {stroke = toSVGColor "white"}) o (text bigfont)) ["100%", "CLEAN"]) Nothing - ] Nothing -where - r_out = 100.0 - r_in = 90.0 - bandwidth = r_in * 0.2 - bigfont = {normalFontDef "Arial" (r_in * 0.35) & fontweight = "bolder"} - narrowfont = normalFontDef "Arial Narrow" (r_in * 0.22) - -star :: Int (Real,Real) -> Image m -star n (r_in,r_out) - = polygon Nothing (flatten - [ [(px r_out *. (cos (angle * (toReal outer_corner))), px r_out *. (sin (angle * (toReal outer_corner)))) - ,(px r_in *. (cos (angle * (toReal inner_corner))), px r_in *. (sin (angle * (toReal inner_corner)))) - ] - \\ outer_corner <- [0, 2 .. 2*n], let inner_corner = outer_corner+1 - ]) -where - angle = pi / (toReal n) - -arctext :: Span Real FontDef String -> Image m -arctext r a font txt - = circular r a [rotate (rad pi) (text font (toString c)) \\ c <-: txt] - -pair :: (Image m,Image m) *TagSource -> Image m -pair (img1,img2) [(t1,ut1),(t2,ut2):tags] - = beside [] [] - [overlay [(AtMiddleX,AtMiddleY)] [] [tag ut1 img1] host - ,overlay [(AtMiddleX,AtMiddleY)] [] [tag ut2 img2] host - ] Nothing -where - (w1,h1) = (imagexspan t1,imageyspan t1) - (w2,h2) = (imagexspan t2,imageyspan t2) - host = Just (rect (maxSpan [w1,w2]) (maxSpan [h1,h2]) <@< {fill = toSVGColor "none"}) - -show :: (a -> St *TagSource (Image m)) (Rose a) -> St *TagSource (Image m) -show show_node (Rose r []) - = show_node r -show show_node (Rose r rs) - = \[(t1,ut1), (t2,ut2) : ts] -> - let (image, ts1) = show_node r ts - (images, ts2) = seqList (map (show show_node) rs) ts1 - in ( above (repeat AtLeft) [] - [ image - , beside (repeat AtTop) [] - [ yline Nothing (imageyspan t1 - imageyspan t2) - , tag ut1 - (grid (Columns 2) (ColumnMajor,LeftToRight,TopToBottom) [] [] - (repeatn (length rs) (xline Nothing (px 10.0)) ++ init images ++ [tag ut2 (last images)]) - Nothing - ) - ] Nothing - ] Nothing - , ts2 - ) - - -discs :: [Image m] -discs = [circle (px 15.0 + px 8.0 *. d) <@< {fill = toSVGColor {r=255-d*25,g=210-d*70,b=210-d*70}} \\ d <- [3,2,1,0]] - -derive gText XAlign, YAlign, GridMajor, GridXLayout, GridYLayout - -:: Rose a = Rose a [Rose a] - -from StdFunc import const, seqList, :: St(..) - -my_rose_tree :: Rose String -my_rose_tree = Rose "Clean 2.2 Language Report" - [Rose "BASIC SEMANTICS" - [Rose "Graph Rewriting" - [Rose "A Small Example" []] - ,Rose "Global Graphs" [] - ] - ,Rose "MODULES AND SCOPES" - [Rose "Identifiers, Scopes and Name Spaces" - [Rose "Naming Conventions of Identifiers" [] - ,Rose "Scopes and Name Spaces" [] - ,Rose "Nesting of Scopes" [] - ] - ,Rose "Modular Structure of Clean Programs" [] - ,Rose "Implementation Modules" - [Rose "The Main or Start Module" [] - ,Rose "Scope of Global Definitions in Implementation Modules" [] - ,Rose "Begin and End of a Definition: the Layout Rule" [] - ] - ,Rose "Definition Modules" [] - ,Rose "Importing Definitions" - [Rose "Explicit Imports of Definitions" [] - ,Rose "Implicit Imports of Definitions" [] - ] - ,Rose "System Definition and Implementation Modules" [] - ] - ,Rose "DEFINING FUNCTIONS AND CONSTANTS" - [Rose "Functions" [] - ,Rose "Patterns" [] - ,Rose "Guards" [] - ,Rose "Expressions" - [Rose "Lambda Abstraction" [] - ,Rose "Case Expression and Conditional Expression" [] - ] - ,Rose "Local Definitions" - [Rose "Let Expression: Local Definitions in Expressions" [] - ,Rose "Where Block: Local Definitions in a Function Alternative" [] - ,Rose "With Block: Local Definitions in a Guarded Alternative" [] - ,Rose "Let-Before Expression: Local Constants defined between Guards" [] - ] - ,Rose "Defining Constants" - [Rose "Selectors" []] - ,Rose "Typing Functions" - [Rose "Typing Curried Functions" [] - ,Rose "Typing Operators" [] - ,Rose "Typing Partial Functions" [] - ,Rose "Explicit use of the Universal Quantifier in Function Types" [] - ,Rose "Functions with Strict Arguments" [] - ] - ] - ,Rose "PREDEFINED TYPES" - [Rose "Basic Types: Int, Real, Char and Bool" - [Rose "Creating Constant Values of Basic Types" [] - ,Rose "Patterns of Basic Types" [] - ] - ,Rose "Lists" - [Rose "Creating Lists" [] - ,Rose "List Patterns" [] - ] - ,Rose "Tuples" - [Rose "Creating Tuples" [] - ,Rose "Tuple Patterns" [] - ] - ,Rose "Arrays" - [Rose "Creating Arrays and Selection of field Elements" [] - ,Rose "Array Patterns" [] - ] - ,Rose "Predefined Type Constructors" [] - ,Rose "Arrow Types" [] - ,Rose "Predefined Abstract Types" [] - ] - ,Rose "DEFINING NEW TYPES" - [Rose "Defining Algebraic Data Types" - [Rose "Using Constructors in Patterns" [] - ,Rose "Using Higher Order Types" [] - ,Rose "Defining Algebraic Data Types with Existentially Quantified Variables" [] - ,Rose "Defining Algebraic Data Types with Universally Quantified Variables" [] - ,Rose "Strictness Annotations in Type Definitions" [] - ,Rose "Semantic Restrictions on Algebraic Data Types" [] - ] - ,Rose "Defining Record Types" - [Rose "Creating Records and Selection of Record Fields" [] - ,Rose "Record Patterns" [] - ] - ,Rose "Defining Synomym Types" [] - ,Rose "Defining Abstract Data Types" - [Rose "Defining Abstract Data Types with Synonym Type Definition" []] - ] - ,Rose "OVERLOADING" - [Rose "Type Classes" [] - ,Rose "Functions Defined in Terms of Overloaded Functions" [] - ,Rose "Instances of Type Classes Defined in Terms of Overloaded Functions" [] - ,Rose "Type Constructor Classes" [] - ,Rose "Overlapping Instances" [] - ,Rose "Internal Overloading" [] - ,Rose "Defining Derived Members in a Class" [] - ,Rose "A Shorthand for Defining Overloaded Functions" [] - ,Rose "Classes Defined in Terms of Other Classes" [] - ,Rose "Exporting Type Classes" [] - ,Rose "Semantic Restrictions on Type Classes" [] - ] - ,Rose "GENERIC PROGRAMMING" - [Rose "Basic Ideas Behing Generic Programming" [] - ,Rose "Defining Generic Functions" [] - ,Rose "Deriving Generic Functions" [] - ,Rose "Applying Generic Functions" [] - ,Rose "Using Constructor Information" [] - ,Rose "Generic Functions and Uniqueness Typing" [] - ,Rose "Exporting Generic Functions" [] - ] - ,Rose "DYNAMICS" - [Rose "Packing Expressions into a Dynamic" - [Rose "Packing Abstract Data Types" [] - ,Rose "Packing Overloaded Functions" [] - ,Rose "Packing Expressions of Unique Type" [] - ,Rose "Packing Arguments of Unknown Type" [] - ,Rose "Using Dynamic Typing to Defeat the Static Type System" [] - ] - ,Rose "Unpacking Dynamics Using a Dynamic Pattern Match" - [Rose "Unpacking Abstract Data Types" [] - ,Rose "Unpacking of Overloaded Functions" [] - ,Rose "Unpacking Expressions of Unique Type" [] - ,Rose "Checking and Unifying Types Schemes using Type Pattern Variables" [] - ,Rose "Checking and Unifying Unknown Types using Overloaded Type Variables" [] - ] - ,Rose "Type Safe Communication using Dynamics" [] - ,Rose "Architecture of the implementation" [] - ,Rose "Semantic Restrictions on Dynamics" [] - ] - ,Rose "UNIQUENESS TYPING" - [Rose "Basic Ideas behind Uniqueness Typing" [] - ,Rose "Attribute Propagation" [] - ,Rose "Defining New Types with Uniqueness Attributes" [] - ,Rose "Uniqueness and Sharing" - [Rose "Higher Order Uniqueness Typing" [] - ,Rose "Uniqueness Type Coercions" [] - ] - ,Rose "Combining Uniqueness Typing and Overloading" - [Rose "Constructor Classes" []] - ,Rose "Higher-Order Type Definitions" [] - ,Rose "Destructive Updates using Uniqueness Typing" [] - ] - ,Rose "STRICTNESS, MACROS AND EFFICIENCY" - [Rose "Annotations to Change Lazy Evaluation into Strict Evaluation" - [Rose "Advantages and Disadvantages of Lazy versus Strict Evaluation" [] - ,Rose "Strict and Lazy Context" [] - ,Rose "Space Consumption in Strict and Lazy Context" [] - ,Rose "Time Consumption in Strict and Lazy Context" [] - ,Rose "Changing Lazy into Strict Evaluation" [] - ] - ,Rose "Defining Graphs on the Global Level" [] - ,Rose "Defining Macros" [] - ,Rose "Efficiency Tips" [] - ] - ,Rose "FOREIGN LANGUAGE INTERFACE" - [Rose "Foreign Export" [] - ,Rose "Using ABC instructions" [] - ] - ] - - -// a generally useful image combinator: -circular :: !Span !Real ![Image m] -> Image m -circular r a imgs - #! n = length imgs - #! sign_a = toReal (sign a) - #! a` = normalize (rad a) - #! alpha = (toRad a`) / (toReal n) - = overlay (repeat (AtMiddleX,AtMiddleY)) - [(~r *. cos angle,~r *. sin angle) \\ i <- [0.0, sign_a ..], angle <- [i*alpha - 0.5*pi]] - [rotate (rad (i*alpha)) img \\ i <- [0.0, sign_a ..] & img <- imgs] - (Just (empty (r *. 2) (r *. 2))) // BUG: using Nothing creates incorrect image (offset to left) - -pi =: 3.14159265359