Skip to content

Complete ImageData api #7

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from Sep 12, 2014
Merged

Complete ImageData api #7

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
43 changes: 43 additions & 0 deletions src/Graphics/Canvas.purs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,8 @@ foreign import data Context2D :: *

foreign import data ImageData :: *

foreign import data CanvasPixelArray :: *

foreign import getCanvasElementById
"function getCanvasElementById(id) {\
\ return function() {\
Expand Down Expand Up @@ -521,3 +523,44 @@ foreign import putImageData
\ };\
\}" :: forall eff. Context2D -> ImageData -> Number -> Number -> Eff (canvas :: Canvas | eff) Context2D

foreign import createImageData
"function createImageData(ctx) {\
\ return function(sw) {\
\ return function(sh) {\
\ return function() {\
\ return ctx.createImageData(sw, sh);\
\ };\
\ };\
\ };\
\}" :: forall eff. Context2D -> Number -> Number -> Eff (canvas :: Canvas | eff) ImageData

foreign import createImageDataCopy
"function createImageDataCopy(ctx) {\
\ return function(image_data) {\
\ return function() {\
\ return ctx.createImageData(image_data);\
\ };\
\ };\
\}" :: forall eff. Context2D -> ImageData-> Eff (canvas :: Canvas | eff) ImageData

foreign import getImageDataWidth
"function getImageDataWidth(image_data) {\
\ return function() {\
\ return image_data.width;\
\ };\
\}" :: forall eff. ImageData -> Eff (canvas :: Canvas | eff) Number

foreign import getImageDataHeight
"function getImageDataHeight(image_data) {\
\ return function() {\
\ return image_data.height;\
\ };\
\}" :: forall eff. ImageData -> Eff (canvas :: Canvas | eff) Number

foreign import getImageDataPixelArray
"function getImageDataPixelArray(image_data) {\
\ return function() {\
\ return image_data.data;\
\ };\
\}" :: forall eff. ImageData -> Eff (canvas :: Canvas | eff) CanvasPixelArray