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75 lines
2.6 KiB
Racket
75 lines
2.6 KiB
Racket
#lang debug racket/base
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(require "layout.rkt"
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"quad.rkt"
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"pipeline.rkt"
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"linearize.rkt"
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"layout.rkt"
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"draw.rkt"
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"attr.rkt"
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"font.rkt"
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"constants.rkt"
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"param.rkt"
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racket/list
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racket/match)
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(define quad-compile
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(make-pipeline (list
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;; each pass in the pipeline is at least
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;; (list-of quad?) -> (list-of quad?)
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;; attribute prep =============
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;; all attrs start out as symbol-string pairs.
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;; we convert keys & values to corresponding higher-level types.
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upgrade-attr-keys
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fill-default-attr-values
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downcase-string-attr-values
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convert-boolean-attr-values
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convert-numeric-attr-values
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;; pre-linearization resolutions & parsings =============
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;; these need the tree shape
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parse-dimension-strings
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resolve-font-sizes
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;; linearization =============
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;; we postpone this step until we're certain any
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;; information encoded from the hierarchy of quads
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;; has been absorbed into the attrs
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;; (e.g., cascading font sizes)
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;; because once we linearize, that information is gone.
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linearize
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;; post-linearization resolutions & parsings =============
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resolve-font-paths
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complete-attr-paths
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;; TODO: parse feature strings
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mark-text-runs
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merge-adjacent-strings
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split-whitespace
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split-into-single-char-quads
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;; TODO: missing glyphs
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layout
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make-drawing-insts
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stackify)))
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(module+ test
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(require "render.rkt")
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(define (test-compile x)
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(parameterize ([current-wrap-width 13]
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[current-attrs all-attrs]
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[current-strict-attrs? #t]
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[current-show-timing? #f]
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[current-use-preconditions? #t]
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[current-use-postconditions? #t])
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(quad-compile (bootstrap-input x))))
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(match (test-compile "Hello this is the earth")
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[(? string? insts)
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(render insts #:using text-renderer)
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(render insts #:using drr-renderer)
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#;(render-to-html drawing-insts)
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#;(render-to-pdf drawing-insts)
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]))
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