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add methods for dealing with text #3

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Merged
merged 2 commits into from
Aug 30, 2014
Merged

add methods for dealing with text #3

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6b66275
add methods for dealing with text.
Aug 30, 2014
69e42d0
regenerate docs
Aug 30, 2014
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12 changes: 12 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,8 @@

type ScaleTransform = { scaleY :: Number, scaleX :: Number }

type TextMetrics = { width :: Number }

type Transform = { m32 :: Number, m31 :: Number, m22 :: Number, m21 :: Number, m12 :: Number, m11 :: Number }

type TranslateTransform = { translateY :: Number, translateX :: Number }
Expand All @@ -46,6 +48,10 @@

fillRect :: forall eff. Context2D -> Rectangle -> Eff (canvas :: Canvas | eff) Context2D

fillText :: forall eff. Context2D -> String -> Number -> Number -> Eff (canvas :: Canvas | eff) Context2D

font :: forall eff. Context2D -> Eff (canvas :: Canvas | eff) String

getCanvasDimensions :: forall eff. CanvasElement -> Eff (canvas :: Canvas | eff) Dimensions

getCanvasElementById :: forall eff. String -> Eff (canvas :: Canvas | eff) CanvasElement
Expand All @@ -58,6 +64,8 @@

lineTo :: forall eff. Context2D -> Number -> Number -> Eff (canvas :: Canvas | eff) Context2D

measureText :: forall eff. Context2D -> String -> Eff (canvas :: Canvas | eff) TextMetrics

moveTo :: forall eff. Context2D -> Number -> Number -> Eff (canvas :: Canvas | eff) Context2D

rect :: forall eff. Context2D -> Rectangle -> Eff (canvas :: Canvas | eff) Context2D
Expand All @@ -78,6 +86,8 @@

setFillStyle :: forall eff. String -> Context2D -> Eff (canvas :: Canvas | eff) Context2D

setFont :: forall eff. String -> Context2D -> Eff (canvas :: Canvas | eff) Context2D

setLineCap :: forall eff. LineCap -> Context2D -> Eff (canvas :: Canvas | eff) Context2D

setLineCapImpl :: forall eff. String -> Context2D -> Eff (canvas :: Canvas | eff) Context2D
Expand All @@ -100,6 +110,8 @@

strokeRect :: forall eff. Context2D -> Rectangle -> Eff (canvas :: Canvas | eff) Context2D

strokeText :: forall eff. Context2D -> String -> Number -> Number -> Eff (canvas :: Canvas | eff) Context2D

transform :: forall eff. Transform -> Context2D -> Eff (canvas :: Canvas | eff) Context2D

translate :: forall eff. TranslateTransform -> Context2D -> Eff (canvas :: Canvas | eff) Context2D
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60 changes: 60 additions & 0 deletions src/Graphics/Canvas.purs
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Expand Up @@ -376,6 +376,66 @@ foreign import transform
\ };\
\}" :: forall eff. Transform -> Context2D -> Eff (canvas :: Canvas | eff) Context2D

-- |
-- Text
--

type TextMetrics = { width :: Number }

foreign import font
"function font(ctx) {\
\ return function() {\
\ return ctx.font;\
\ };\
\}" :: forall eff. Context2D -> Eff (canvas :: Canvas | eff) String

foreign import setFont
"function setFont(fontspec) {\
\ return function(ctx) {\
\ return function() {\
\ ctx.font = fontspec;\
\ return ctx;\
\ };\
\ };\
\}" :: forall eff. String -> Context2D -> Eff (canvas :: Canvas | eff) Context2D

foreign import fillText
"function fillText(ctx) {\
\ return function(text) {\
\ return function(x) {\
\ return function(y) {\
\ return function() {\
\ ctx.fillText(text, x, y);\
\ return ctx;\
\ };\
\ };\
\ };\
\ };\
\}" :: forall eff. Context2D -> String -> Number -> Number -> Eff (canvas :: Canvas | eff) Context2D

foreign import strokeText
"function strokeText(ctx) {\
\ return function(text) {\
\ return function(x) {\
\ return function(y) {\
\ return function() {\
\ ctx.fillText(text, x, y);\
\ return ctx;\
\ };\
\ };\
\ };\
\ };\
\}" :: forall eff. Context2D -> String -> Number -> Number -> Eff (canvas :: Canvas | eff) Context2D

foreign import measureText
"function measureText(ctx) {\
\ return function(text) {\
\ return function() {\
\ return ctx.measureText(text);\
\ };\
\ };\
\}" :: forall eff. Context2D -> String -> Eff (canvas :: Canvas | eff) TextMetrics

-- |
-- Context
--
Expand Down