support for more pict images; copy static images

doc/todo.md

@@ -1,6 +1,5 @@
 # immediate todo
 
-- handle racket-draw images & just copy regular images
 - make some CSS
 - site nav should use titles instead of slugs
 - user pages

render.rkt

@@ -231,12 +231,43 @@
                      [in (build-path src-dir "index.scss")])
     (~> (compile-index-scss (port->string in)) (write-string out)))
 
-  (define favicon.rkt (build-path src-dir "favicon.png.rkt"))
-  (define-rule (favicon [out (build-path output-dir "favicon.png")]
-                        [in favicon.rkt])
-    (define icon-pict (dynamic-require favicon.rkt 'icon-pict))
-    (define icon-bitmap (pict->bitmap icon-pict))
-    (send icon-bitmap save-file out 'png))
+  (define img-rules
+    (parameterize ([current-directory src-dir])
+      (for/list ([rkt-file (in-directory #f)]
+                 #:when (regexp-match? #px"\\.(png|jpg|jpeg|svg)\\.rkt$" rkt-file))
+        (define out-file (path-replace-extension rkt-file #""))
+        (define filetype
+          (match (path-get-extension out-file)
+            [#".png" 'png]
+            [(or #".jpg" #".jpeg") 'jpeg]
+            [#".svg" 'svg]))
+        (define-rule (render-1-image [out (build-path output-dir out-file)]
+                                     [in (build-path src-dir rkt-file)])
+          (define icon-pict (dynamic-require (build-path src-dir rkt-file) 'icon-pict))
+          (cond
+            [(eq? 'svg filetype)
+             (define dc (new svg-dc%
+                             [width (pict-width icon-pict)]
+                             [height (pict-height icon-pict)]
+                             [output out]))
+             (send dc start-doc "meow")
+             (send dc start-page)
+             (draw-pict icon-pict dc 0 0)
+             (send dc end-page)
+             (send dc end-doc)]
+            [else
+             (define icon-bitmap (pict->bitmap icon-pict))
+             (send icon-bitmap save-file out filetype)]))
+        render-1-image)))
+
+  (define static-rules
+    (parameterize ([current-directory src-dir])
+      (for/list ([static-file (in-directory #f)]
+                 #:when (regexp-match? #px"\\.(png|jpg|jpeg|svg)$" static-file))
+        (define-rule (copy-static [out (build-path output-dir static-file)]
+                                  [in (build-path src-dir static-file)])
+          (copy-port in out))
+        copy-static)))
 
   (struct rule-spec [src intermediate output xref-name] #:transparent)
 
@@ -303,7 +334,7 @@
             (ir-doc->page xrefs-repo config)
             (write-string out)))
       output-rule))
-  (append intermediate-rules output-rules (list scss favicon hashtag-page)))
+  (append intermediate-rules output-rules img-rules static-rules (list scss hashtag-page)))
 
 (module+ main
   (require racket/cmdline)