doerg/src/net/deertopia/doerg/tex.clj

@@ -45,27 +45,34 @@
     (-> r
         (assoc ::out out))))
 
+(defn- parse-tightpage [xelatex-out]
+  (->> (re-find tightpage-regexp xelatex-out)
+       (drop 1)
+       (map parse-long)))
+
+(defn- snippet-dimensions [[tp1 tp2 tp3 tp4] [d1 d2 d3]]
+  (let [depth (/ (- d2 tp2) scale-divisor font-size)]
+    {:depth depth
+     :height (+ depth
+                (/ (+ d1 tp4)
+                   scale-divisor
+                   font-size))
+     :width (/ (+ d3 tp3 (- tp2))
+               scale-divisor
+               font-size)}))
+
 (defn- parse-xelatex-output [out]
-  (let [[tp1 tp2 tp3 tp4] (->> (re-find tightpage-regexp out)
-                               (drop 1)
-                               (map parse-long))
+  (let [tightpage-info (parse-tightpage out)
         m-start (re-matcher preview-start-regexp out)
         m-end (re-matcher preview-end-regexp out)]
     (loop [acc []]
       (if-some [[_ snippet-ix] (re-find m-start)]
         (let [r (re-find m-end)
               [_ snippet-ix* _ _ _] r
-              [d1 d2 d3] (->> r (drop 2) (map parse-long))
-              depth (/ (- d2 tp2) scale-divisor font-size)]
+              dimensional-info (->> r (drop 2) (map parse-long))]
           (assert (= snippet-ix snippet-ix*))
-          (recur (conj acc {:depth depth
-                            :height (+ depth
-                                       (/ (+ d1 tp4)
-                                          scale-divisor
-                                          font-size))
-                            :width (/ (+ d3 tp3 (- tp2))
-                                      scale-divisor
-                                      font-size)})))
+          (recur (conj acc (merge (snippet-dimensions
+                                   tightpage-info dimensional-info)))))
         acc))))
 
 (defn- invoke-xelatex [& {:keys [file output-dir]}]