more icon sets, couple fixes

src/pixie/fileformats/svg.nim

@@ -143,6 +143,9 @@ proc decodeCtx(inherited: Ctx, node: XmlNode): Ctx =
           ty = parseFloat(components[1])
         result.transform = result.transform * translate(vec2(tx, ty))
       elif f.startsWith("rotate("):
+        # let
+        #   values = f[7 .. ^2].split(" ")
+        #   angle = parseFloat(values[0]) * -PI / 180
         let angle = parseFloat(f[7 .. ^2]) * -PI / 180
         result.transform = result.transform * rotationMat3(angle)
       else:
@@ -198,11 +201,18 @@ proc draw(img: Image, node: XmlNode, ctxStack: var seq[Ctx]) =
       points = node.attr("points")
 
     var vecs: seq[Vec2]
-    for pair in points.split(" "):
-      let parts = pair.split(",")
-      if parts.len != 2:
+    if points.contains(","):
+      for pair in points.split(" "):
+        let parts = pair.split(",")
+        if parts.len != 2:
+          failInvalid()
+        vecs.add(vec2(parseFloat(parts[0]), parseFloat(parts[1])))
+    else:
+      let points = points.split(" ")
+      if points.len mod 2 != 0:
         failInvalid()
-      vecs.add(vec2(parseFloat(parts[0]), parseFloat(parts[1])))
+      for i in countup(0, points.len - 2, 2):
+        vecs.add(vec2(parseFloat(points[i]), parseFloat(points[i + 1])))
 
     if vecs.len == 0:
       failInvalid()
@@ -295,8 +305,8 @@ proc decodeSvg*(data: string, width = 0, height = 0): Image =
       viewBox = root.attr("viewBox")
       box = viewBox.split(" ")
 
-    if parseInt(box[0]) != 0 or parseInt(box[1]) != 0:
-      failInvalid()
+    # if parseInt(box[0]) != 0 or parseInt(box[1]) != 0:
+    #   failInvalid()
 
     let
       viewBoxWidth = parseInt(box[2])
@@ -319,5 +329,5 @@ proc decodeSvg*(data: string, width = 0, height = 0): Image =
     result.toStraightAlpha()
   except PixieError as e:
     raise e
-  except:
-    raise newException(PixieError, "Unable to load SVG")
+  # except:
+  #   raise newException(PixieError, "Unable to load SVG")

tests/megatest.nim

@@ -1,34 +1,68 @@
-import os, pixie, pixie/fileformats/svg, strformat
+import cligen, os, pixie, pixie/fileformats/svg, strformat
 
 # Clone https://github.com/twbs/icons
 # Check out commit f364cb14dfc0703b9e3ef10c8b490a71dfef1e9d
 
+# Clone https://github.com/icons8/flat-color-icons
+# Check out commit 8eccbbbd8b2af1d2c9593e7cfba5ecb0d68ee378
+
+# Clone https://github.com/ionic-team/ionicons
+# Check out commit 0d7f507677f8d317ce6882729ffecf46e215e01a
+
+# Clone https://github.com/tabler/tabler-icons
+# Check out commit ccf2784b57e42a2b2221963f92146fd7b249b5b7
+
+# Clone https://github.com/simple-icons/simple-icons
+# Check out commit 355454cb6caa02aba70638631c557d4e06205710
+
+type IconSet = object
+  name: string
+  path: string
+
 const
-  iconsPath = "../icons/icons/*"
+  iconSets = [
+    IconSet(name: "twbs-icons", path: "../icons/icons/*"),
+    IconSet(name: "flat-color-icons", path: "../flat-color-icons/svg/*"),
+    IconSet(name: "ionicons", path: "../ionicons/src/svg/*"),
+    # IconSet(name: "tabler-icons", path: "../tabler-icons/icons/*"),
+    # IconSet(name: "simple-icons", path: "../simple-icons/icons/*")
+  ]
   width = 32
   height = 32
 
-var images: seq[(string, Image)]
+proc renderIconSet(index: int) =
+  let iconSet = iconSets[index]
+
+  var images: seq[(string, Image)]
+
+  for filePath in walkFiles(iconSet.path):
+    let
+      (_, name, _) = splitFile(filePath)
+      image = decodeSvg(readFile(filePath), width, height)
+
+    images.add((name, image))
 
-for path in walkFiles(iconsPath):
   let
-    (_, name, _) = splitFile(path)
-    image = decodeSvg(readFile(path), width, height)
+    columns = 50
+    rows = (images.len + columns - 1) div columns
+    rendered = newImage((width + 4) * columns, (height + 4) * rows)
 
-  images.add((name, image))
+  for i in 0 ..< rows:
+    for j in 0 ..< max(images.len - i * columns, 0):
+      let (_, icon) = images[i * columns + j]
+      rendered.draw(
+        icon,
+        vec2(((width + 4) * j + 2).float32, ((height + 4) * i + 2).float32),
+        bmOverwrite
+      )
 
-let
-  columns = 50
-  rows = (images.len + columns - 1) div columns
-  rendered = newImage((width + 4) * columns, (height + 4) * rows)
+  rendered.writeFile(&"tests/images/svg/{iconSet.name}.png")
 
-for i in 0 ..< rows:
-  for j in 0 ..< max(images.len - i * columns, 0):
-    let (_, icon) = images[i * columns + j]
-    rendered.draw(
-      icon,
-      vec2(((width + 4) * j + 2).float32, ((height + 4) * i + 2).float32),
-      bmOverwrite
-    )
+proc main(index = -1) =
+  if index >= 0:
+    renderIconSet(index)
+  else:
+    for i in 0 ..< iconSets.len:
+      renderIconSet(i)
 
-rendered.writeFile(&"tests/images/svg/twbs-icons.png")
+dispatch(main)