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✨ Fix editor and bounds for new texts

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This commit is contained in:
alonso.torres 2022-02-15 18:22:13 +01:00
parent 1c2785f34e
commit 18dded1a00
5 changed files with 165 additions and 61 deletions
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17
common/src/app/common/geom/matrix.cljc
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@ -190,3 +190,20 @@
(multiply mtx)
(translate (gpt/negate pt)))
mtx))
(defn determinant
"Determinant for the affinity transform"
[{:keys [a b c d _ _]}]
(- (* a d) (* c b)))
(defn inverse
"Gets the inverse of the affinity transform `mtx`"
[{:keys [a b c d e f] :as mtx}]
(let [det (determinant mtx)
a' (/ d det)
b' (/ (- b) det)
c' (/ (- c) det)
d' (/ a det)
e' (/ (- (* c f) (* d e)) det)
f' (/ (- (* b e) (* a f)) det)]
(Matrix. a' b' c' d' e' f')))