Support any amount of figures, with arbitrary positioning/size/colours/sources

figure.py

@@ -0,0 +1,101 @@
+from common import Model
+
+class Figure(Model):
+    filename = ""
+    source = ""
+        # material-icons = https://material.io/icons/
+        # mdi            = https://materialdesignicons.com/
+        # fa             = http://fontawesome.io/icons/
+        # svg            = the svgs/ folder
+    color = ""
+    top = 0
+    bottom = 0
+    left = 0
+    right = 0
+    size = 0
+    autoscale = True
+    scale = 100.
+    width = 0
+    height = 0
+    rotate = 0
+
+    def __init__(self, line, source = ""):
+        data = line.split(",")
+        self.filename = data[0].strip()
+        if len(data) > 1:
+            for key, val in [[y.strip() for y in x.split(":")] for x in data[1:]]:
+                if key in ("width", "height", "size", "autoscale"):
+                    continue
+                elif key in ("top", "bottom", "left", "right", "scale"):
+                    if key == "scale" and val != "auto":
+                        self.autoscale = False
+                    val = float(val)
+                elif key in ("rotate"):
+                    val = int(val)
+                if key:
+                    setattr(self, key, val)
+
+        if not self.source:
+            self.source = source
+
+        if self.autoscale and self.top + self.bottom + self.left + self.right > 0:
+            l = 0
+            r = 0
+            t = 0
+            b = 0
+            s = 0
+
+            if self.top + self.bottom > self.left + self.right:
+                s = self.top + self.bottom
+                l += (self.top + self.bottom) / 2
+                r += (self.top + self.bottom) / 2
+                ratio_t = self.top / s
+                ratio_b = self.bottom / s
+
+                if self.left <= r:
+                    r -= self.left
+                else:
+                    temp = self.left - r
+                    r = 0
+                    s += temp
+                    t += temp * ratio_t
+                    b += temp * ratio_b
+
+                if self.right <= l:
+                    l -= self.right
+                else:
+                    temp = self.right - l
+                    l = 0
+                    s += temp
+                    t += temp / 2
+                    b += temp / 2
+            else:
+                s = self.left + self.right
+                t += (self.left + self.right) / 2
+                b += (self.left + self.right) / 2
+                ratio_l = self.left / s
+                ratio_r = self.right / s
+
+                if self.top <= b:
+                    b -= self.top
+                else:
+                    temp = self.top - b
+                    b = 0
+                    s += temp
+                    l += temp * ratio_l
+                    r += temp * ratio_r
+
+                if self.bottom <= t:
+                    t -= self.bottom
+                else:
+                    temp = self.bottom - t
+                    t = 0
+                    s += temp
+                    l += temp * ratio_l
+                    r += temp * ratio_r
+
+            self.top += t
+            self.bottom += b
+            self.left += l
+            self.right += r
+            self.size = s