Changes to Lua gradient scraping

tools/lua/gradients.lua

-
 function sk_scrape_startcanvas(c, fileName) end
-
 function sk_scrape_endcanvas(c, fileName) end
 
-count3 = 0
-count3sym = 0
+gradients = {}
+
+i = 1
 
 function sk_scrape_accumulate(t)
     local p = t.paint
     if p then
         local s = p:getShader()
         if s then
             local g = s:asAGradient()
             if g then
-                --io.write(g.type, " gradient with ", g.colorCount, " colors\n")
-            
-                if g.colorCount == 3 then
-                   count3 = count3 + 1
+                gradients[i] = {}
+                gradients[i].colorCount        = g.colorCount
+                gradients[i].type              = g.type;
+                gradients[i].tile              = g.tile;
+                gradients[i].isEvenlySpaced    = g.isEvenlySpaced
+                gradients[i].containsHardStops = g.containsHardStops
 
-                   if (g.midPos >= 0.499 and g.midPos <= 0.501) then
-                      count3sym = count3sym + 1
-                   end
-                end    
+                i = i + 1
             end
         end
     end
 end
 
-function sk_scrape_summarize() 
-         io.write("Number of 3 color gradients:  ", count3, "\n");
-         io.write("Number of 3 color symmetric gradients:  ", count3sym, "\n");
+function sk_scrape_summarize()
+    for k, v in pairs(gradients) do
+        io.write(string.format("%d %s %s %d %d\n",
+                                v.colorCount,
+                                v.type,
+                                v.tile,
+                                tonumber(v.isEvenlySpaced and 1 or 0),
+                                tonumber(v.containsHardStops and 1 or 0)));
+    end
 end