Difference between revisions of "Diagrams"
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Many Haskell graphic libraries are tied to a specific rendering backend (Cairo, OpenGL, libGD etc) which makes collaboration and reuse of code and data strcutreus very hard or impossible. |
Many Haskell graphic libraries are tied to a specific rendering backend (Cairo, OpenGL, libGD etc) which makes collaboration and reuse of code and data strcutreus very hard or impossible. |
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− | + | A rewrite of diagrams should include separate packages for: |
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** high-level code (constraint solving) |
** high-level code (constraint solving) |
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** low-level graphical primitives (rectangles, polygons, paths, etc) |
** low-level graphical primitives (rectangles, polygons, paths, etc) |
Revision as of 11:31, 23 October 2009
The diagrams library provides an embedded domain-specific language (EDSL) for creating simple pictures and diagrams in Haskell
Ideas for the rewrite
Many Haskell graphic libraries are tied to a specific rendering backend (Cairo, OpenGL, libGD etc) which makes collaboration and reuse of code and data strcutreus very hard or impossible.
A rewrite of diagrams should include separate packages for:
- high-level code (constraint solving)
- low-level graphical primitives (rectangles, polygons, paths, etc)
- imho there should be primitive shape typeclass like circles and rectangles having a "convertToPath" function. Backends like SVG can then choose to use a primitive like a rectangle as a polygon or a rectangle
- conversion backends
- interactive painting via Cairo
- pure Haskell PDF conversion via HPDF
- pure Haskell PNG conversion via ???
- etc.