Warn about floating height/width and round them

Closes #8

melpomene.css

@@ -31,6 +31,11 @@
     background-color: black;
 }
 
+/* Reset images style to avoid external CSS interfering */
+#melpomene img {
+    all: initial;
+}
+
 #melpomene-content-frame {
     position: relative;
     flex: 1;

melpomene.js

@@ -180,11 +180,11 @@ function getPagesCount() {
 }
 
 function pageOriginalHeight(pageNumber) {
-    return READER_PAGES.children[pageNumber - 1].height
+    return READER_PAGES.children[pageNumber - 1].naturalHeight
 }
 
 function pageOriginalWidth(pageNumber) {
-    return READER_PAGES.children[pageNumber - 1].width
+    return READER_PAGES.children[pageNumber - 1].naturalWidth
 }
 
 function readerFrameRatio() {
@@ -192,15 +192,15 @@ function readerFrameRatio() {
 }
 
 function pageRatio(pageNumber) {
-    return READER_PAGES.children[pageNumber - 1].width / READER_PAGES.children[pageNumber - 1].height
+    return READER_PAGES.children[pageNumber - 1].naturalWidth / READER_PAGES.children[pageNumber - 1].naturalHeight
 }
 
 function pageMaxHeight(){
     let max_height = 0
     
     for (var i = 0; i < READER_PAGES.children.length; i++) {
-        if(READER_PAGES.children[i].height > max_height){
+        if(READER_PAGES.children[i].naturalHeight > max_height){
-            max_height = READER_PAGES.children[i].height
+            max_height = READER_PAGES.children[i].naturalHeight
         }
     }
     
@@ -217,7 +217,7 @@ function previousPagesWidth(pageNumber) {
     let totalWidth = 0
     
     for (let idx = 0; idx < pageNumber - 1; idx++){
-        totalWidth = totalWidth + READER_PAGES.children[idx].width
+        totalWidth = totalWidth + READER_PAGES.children[idx].naturalWidth
     }
     
     return totalWidth

zooms_generator.py

@@ -40,8 +40,12 @@ def extract_zooms(src_folder):
         tree = ET.parse(svg_path)
         root = tree.getroot()
 
-        zooms[idx]["width"] = int(root.get("width"))
+        if "." in root.get("width"):
-        zooms[idx]["height"] = int(root.get("height"))
+            print(f"WARNING: file {svg_path} has a floating width, it will be rounded", file=sys.stderr)
+        zooms[idx]["width"] = round(float(root.get("width")))
+        if "." in root.get("height"):
+            print(f"WARNING: file {svg_path} has a floating height, it will be rounded", file=sys.stderr)
+        zooms[idx]["height"] = round(float(root.get("height")))
         
         for area in root.findall('.//{*}rect'):
             zooms[idx]["zooms"].append([