Personal tools

User:Lenny222

From HaskellWiki

(Difference between revisions)
Jump to: navigation, search
m (Todo)
(Todo)
Line 18: Line 18:
   
   
==== Todo ====
 
   
* Primitive
 
** Ellipse => PrimitiveEllipse etc
 
 
* Segment
 
** EllipticalArcTo center xAxisRotation largeArcFlag sweepFlag p1
 
 
* Box
 
** defaultBox
 
** use function "elem" infix style
 
 
* delete Layout/*
 
 
* Box
 
** splitHorizontal :: Int -> Double -> Box -> [Box] -- ^ number of boxes, space
 
 
<haskell>
 
subBoxWidth = (width - (n - 1) * subBoxMargin) / n
 
subBoxes = map (\i -> left + i * (subBoxWidth + subBoxMargin)) [0..n-1]
 
</haskell>
 
 
* Box
 
** splitVertical :: Int -> Double -> Box -> [Box] -- ^ number of boxes, space
 
 
 
* Primitive
 
** primitiveToPaths (Polygon points) =
 
** primitiveToPaths (Polyline points) =
 
 
 
* Shapes
 
** RegularPolygon: Line => Polygon
 
** Star: Line => Polygon
 
 
 
* Color
 
** Color = RGB Double Double Double | CMYK
 
*** rgbColorRange1 :: Double -> Double -> Double -> Color
 
*** rgbColorRange255 :: Int -> Int -> Int -> Color
 
** RGBA or Paint alpha?
 
 
* Path
 
** ArcTo: http://chlor.svn.sourceforge.net/viewvc/chlor/trunk/src/core/CPath.m?revision=561&view=markup
 
*** http://www.w3.org/TR/SVG/implnote.html#ArcImplementationNotes
 
*** http://lib2geom.svn.sourceforge.net/viewvc/lib2geom/lib2geom/trunk/src/2geom/elliptical-arc.h
 
*** http://lib2geom.svn.sourceforge.net/viewvc/lib2geom/lib2geom/trunk/src/2geom/elliptical-arc.cpp
 
*** http://www.faqts.com/knowledge_base/view.phtml/aid/4313
 
*** http://www.elbeno.com/blog/?p=469
 
 
* Diagram
 
** Histogram http://had.co.nz/ggplot2/geom_histogram.html
 
** Pie (only for displaying fractions)
 
** Stairs http://had.co.nz/ggplot2/geom_step.html
 
 
* Path http://www.tsplines.com/resources/class_notes/Bezier_curves.pdf
 
** degreeEvalation
 
 
* Datatypes
 
** Unit
 
*** defaultUnit
 
<haskell>
 
data Unit =
 
UnitCM
 
| UnitEM
 
| UnitEX
 
| UnitIN
 
| UnitMM
 
| UnitPC
 
| UnitPT
 
| UnitPX
 
| UnitPercent
 
deriving(Eq, Show)
 
</haskell>
 
 
* Datatypes
 
** <haskell>data Length = Length Unit Double deriving(Eq, Show)</haskell>
 
 
* AffineTransformation
 
** aply directly or accumulate in list of trafos?
 
** on the level of Object or Primitive?
 
 
* Shape
 
** http://www.jroller.com/aalmiray/entry/jsilhouette_0_3_released
 
*** http://code.google.com/p/jsilhouette/
 
** Spiral
 
** http://local.wasp.uwa.edu.au/~pbourke/geometry/supershape/
 
 
* SVG export
 
** SvgPath
 
*** <pre><path d="M 100 100 L 300 100 L 200 300 z" fill="red" stroke="blue" stroke-width="3" /></pre>
 
** SvgRectangle
 
***<pre><rect x="400" y="100" width="400" height="200" fill="yellow" stroke="navy" stroke-width="10" />
 
</pre>
 
 
* ObjectLike: DList instead of List?
 
 
* SVG XML generation
 
** HStringTemplate?
 
** HXT?
 
** HaXml?
 
 
* [http://hackage.haskell.org/package/colour colour]
 
 
* Layout
 
** Instances
 
*** Column
 
*** Grid (cols, rows, margins)
 
*** Margin/Frame
 
**** content size (absolute, relative, remaining)
 
**** margin sizes (absolute, relative, remaining)
 
 
* repeatedly
 
** use HLint
 
** use ghc -W
 
 
* AffineTransformation
 
 
* Path
 
** approximate :: Double -> [(Double, Double)] -> [Segment] -- ^ error, points
 
*** http://tog.acm.org/resources/GraphicsGems/gems/FitCurves.c
 
   
 
==== Ideas ====
 
==== Ideas ====

Revision as of 16:36, 12 January 2010

Contents

1 Things i think need improvement

1.1 Chlor



1.1.1 Ideas

  • layout
    • Table
    • SpaceHorizontal
    • SpaceVertical

1.2 Simplified Haskell homepage

A simplified Haskell frontpage

Why?