1 files changed, 80 insertions, 0 deletions
diff --git a/chromium/third_party/skia/tools/lua/scrape.lua b/chromium/third_party/skia/tools/lua/scrape.lua
new file mode 100644
index 00000000000..627018800ac
--- /dev/null
+++ b/chromium/third_party/skia/tools/lua/scrape.lua
@@ -0,0 +1,80 @@
+function tostr(t)
+    local str = ""
+    for k, v in next, t do
+        if #str > 0 then
+            str = str .. ", "
+        end
+        if type(k) == "number" then
+            str = str .. "[" .. k .. "] = "
+        else
+            str = str .. tostring(k) .. " = "
+        end
+        if type(v) == "table" then
+            str = str .. "{ " .. tostr(v) .. " }"
+        else
+            str = str .. tostring(v)
+        end
+    end
+    return str
+end
+
+local total = {}    -- accumulate() stores its data in here
+local canvas        -- holds the current canvas (from startcanvas())
+
+--[[
+    startcanvas() is called at the start of each picture file, passing the
+    canvas that we will be drawing into, and the name of the file.
+    
+    Following this call, there will be some number of calls to accumulate(t)
+    where t is a table of parameters that were passed to that draw-op.
+    
+        t.verb is a string holding the name of the draw-op (e.g. "drawRect")
+    
+    when a given picture is done, we call endcanvas(canvas, fileName)
+]]
+function sk_scrape_startcanvas(c, fileName)
+    canvas = c
+end
+
+--[[
+    Called when the current canvas is done drawing.
+]]
+function sk_scrape_endcanvas(c, fileName)
+    canvas = nil
+end
+
+--[[
+    Called with the parameters to each canvas.draw call, where canvas is the
+    current canvas as set by startcanvas()
+]]
+function sk_scrape_accumulate(t)
+    local n = total[t.verb] or 0
+    total[t.verb] = n + 1
+
+    if false and t.verb == "drawRect" and t.paint:isAntiAlias() then
+        local r = t.rect;
+        local p = t.paint;
+        local c = p:getColor();
+        print("drawRect ", tostr(r), tostr(c), "\n")
+    end
+
+    if false and t.verb == "drawPath" then
+        local pred, r1, r2, d1, d2 = t.path:isNestedRects()
+        
+        if pred then
+            print("drawRect_Nested", tostr(r1), tostr(r2), d1, d2)
+        else
+            print("drawPath", "isEmpty", tostring(t.path:isEmpty()),
+                    "isRect", tostring(t.path:isRect()), tostr(t.path:getBounds()))
+        end
+    end
+end
+
+--[[
+    lua_pictures will call this function after all of the pictures have been
+    "accumulated".
+]]
+function sk_scrape_summarize()
+    io.write("\n{ ", tostr(total), " }\n")
+end
+