add dumpops.lua as a sample scraper that just dumps the arguments

add SkLua.h for common utilities

BUG=
R=rmistry@google.com

Review URL: https://codereview.chromium.org/15737010

git-svn-id: http://skia.googlecode.com/svn/trunk@9242 2bbb7eff-a529-9590-31e7-b0007b416f81

3 files changed, 41 insertions, 14 deletions

diff --git a/tools/lua/dumpops.lua b/tools/lua/dumpops.lua
new file mode 100644
index 0000000000..1667e579fa
--- /dev/null
+++ b/tools/lua/dumpops.lua
@@ -0,0 +1,34 @@
+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
+
+function sk_scrape_startcanvas(c, fileName) end
+
+function sk_scrape_endcanvas(c, fileName) end
+
+function sk_scrape_accumulate(t)
+    -- dump the params in t, specifically showing the verb first, which we
+    -- then nil out so it doesn't appear in tostr()
+    io.write(t.verb, " ")
+    t.verb = nil
+    io.write(tostr(t), "\n")
+end
+
+function sk_scrape_summarize() end
+
diff --git a/tools/lua/scrape.lua b/tools/lua/scrape.lua
index 92636121da..627018800a 100644
--- a/tools/lua/scrape.lua
+++ b/tools/lua/scrape.lua
@@ -1,4 +1,3 @@
--- just a helper function to dump the parameters, for debugging
 function tostr(t)
     local str = ""
     for k, v in next, t do
@@ -52,9 +51,11 @@ function sk_scrape_accumulate(t)
     local n = total[t.verb] or 0
     total[t.verb] = n + 1
 
-    if false and t.verb == "drawRect" then
-        local m = canvas:getTotalMatrix()
-        print("... ", tostr(m), "\n")
+    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
@@ -67,15 +68,6 @@ function sk_scrape_accumulate(t)
                     "isRect", tostring(t.path:isRect()), tostr(t.path:getBounds()))
         end
     end
-
-    -- enable to dump all of the parameters we were sent
-    if false then
-        -- dump the params in t, specifically showing the verb first, which we
-        -- then nil out so it doesn't appear in tostr()
-        io.write(t.verb, " ")
-        t.verb = nil
-        io.write(tostr(t), "\n")
-    end
 end
 
 --[[
diff --git a/tools/lua/skia.lua b/tools/lua/skia.lua
index 88c3223299..fe738d1880 100644
--- a/tools/lua/skia.lua
+++ b/tools/lua/skia.lua
@@ -1,3 +1,5 @@
+-- Experimental helpers for skia --
+
 Sk = {}
 
 function Sk.isFinite(x)
@@ -78,4 +80,3 @@ function Sk.Rect:inset(dx, dy)
 end
 
 -------------------------------------------------------------------------------
-