From 0913693cde5fb74db76b2d283787ffb6a4d794ec Mon Sep 17 00:00:00 2001
From: xgoff <antipotroast@gmail.com>
Date: Sat, 4 Aug 2012 02:17:29 -0500
Subject: zero-argument version of canvas:clear() is much faster now

---
 fakecanvas.lua | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'fakecanvas.lua')

diff --git a/fakecanvas.lua b/fakecanvas.lua
index c311b7e..863dca7 100644
--- a/fakecanvas.lua
+++ b/fakecanvas.lua
@@ -50,11 +50,13 @@ local options = {
 	vflip = true, 
 }
 
+local blank
 function canvas:clear (...) -- other option is chucking out the imagedata and creating a new one, but i'd probably end up using mapPixel anyway
 	local nargs = select("#", ...)
 	
 	if nargs == 0 then
-		canvases[self]._imagedata:mapPixel(function () return 0, 0, 0, 0 end)
+		local id = canvases[self]._imagedata
+		id:paste(blank, 0, 0, 0, 0, id:getWidth(), id:getHeight()) 
 	elseif nargs == 1 and type(...) == "table" then
 		local t = ...
 		local r, g, b, a = tonumber(t[1]) or 0, tonumber(t[2]) or 0, tonumber(t[3]) or 0, tonumber(t[4]) or 255
@@ -318,6 +320,8 @@ function M.getOption (name)
 	return options[name]
 end
 
+blank = love.image.newImageData(M.getMaxCanvasSize())
+
 M.enable()
 
 return M
\ No newline at end of file
-- 
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