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80 lines
1.5 KiB
Racket
80 lines
1.5 KiB
Racket
#lang racket/base
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(require pitfall/pdftest)
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(define (proc doc)
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;; curved path as bezier
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(send* doc
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[move-to 0 20]
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[line-to 100 160]
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[quadratic-curve-to 130 200 150 120]
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[bezier-curve-to 190 -40 200 200 300 150]
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[line-to 400 90]
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[stroke])
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(send* doc [translate 0 200])
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;; triangle
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(send* doc
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[polygon '(100 0) '(50 100) '(150 100)]
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[stroke])
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;; dashed circle
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(send* doc
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[save]
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[translate 200 0]
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[circle 100 50 50]
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[dash 5 (hash 'space 10)]
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[stroke]
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[restore])
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;; filled circle
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(send* doc
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[save]
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[translate 400 0]
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[circle 100 50 50]
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[line-width 3]
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[fill-opacity 0.8]
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[fill-and-stroke "red" "#900"]
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[restore])
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(send* doc [translate 0 200])
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;; these examples are easier to see with a large line width
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(send* doc [line-width 25])
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;; line cap settings
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(send* doc [line-cap 'butt]
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[move-to 50 20]
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[line-to 100 20]
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[stroke]
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[line-cap 'round]
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[move-to 150 20]
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[line-to 200 20]
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[stroke])
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;; square line cap shown with a circle instead of a line so you can see it
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(send* doc [line-cap 'square]
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[move-to 250 20]
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[circle 275 30 15]
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[stroke])
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;; line join settings
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(send* doc [line-join 'miter]
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[rect 50 100 50 50]
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[stroke]
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[line-join 'round]
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[rect 150 100 50 50]
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[stroke]
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[line-join 'bevel]
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[rect 250 100 50 50]
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[stroke]))
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(define-runtime-path this "test2rkt.pdf")
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(make-doc this #f proc)
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(define-runtime-path that "test2crkt.pdf")
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(make-doc that #t proc)
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