#brushscreen.lua#

local exitQuad = {x=64, y=17*64, w=64, h=64}



local function exitBS()
	 print('exit bs ')
	 toPaintMode()
end

local currentSel = createbrushbox(100,100,200,200)


--we stamp selection on current canvas/current frame
local stampSelection = function()
--TODO the cvs needs to be loaded with the relevant frame, then the frame needs to be saved
      initCanvases(currentIdx)
      --doesn t work, go and see code from paste button?
      love.graphics.setCanvas(cvs)

      --lets create a quad
      local toBlit=love.graphics.newQuad(
	brushSelection.x,
	brushSelection.y,
	brushSelection.w,
	brushSelection.h,
	frames[copySrc].pic:getDimensions()
	)
      love.graphics.draw(frames[copySrc].pic,currentSel.x-offsetcvs.x,currentSel.y-offsetcvs.y)
      love.graphics.setCanvas()

      --save result to frame
 	saveCanvasToFrame(currentIdx)
	--we need to reset the texture in case we pasted on itself ( we changed frame referenced in brushbox )
	bbsettexture(currentSel,frames[copySrc].pic)
end

local wExitBS = createpicbutton(0,0,buttonsPic,exitBS,exitQuad)
local wToBSS = createpicbutton(uiw-64,uih-64,buttonsPic,toBrushSourceSelection,exitQuad)
local wStamp = createpicbutton(uiw-64,0,buttonsPic,stampSelection,exitQuad)


local widgets={}
table.insert(widgets,wExitBS)
table.insert(widgets,wToBSS)
table.insert(widgets,currentSel )
table.insert(widgets,wStamp)

local function rendertouicanvas()
	love.graphics.setCanvas(ui)
	love.graphics.clear(1.0,1.0,1.0,0.0)

--	let's render the picture we will render the paste on
	love.graphics.draw(frames[currentIdx].pic,offsetcvs.x,offsetcvs.y)

	renderWidgets(widgets)

		
	msgToCvs()

	--love.graphics.print()
	love.graphics.setCanvas()
end


local function brushScreenDraw()
		rendertouicanvas()
		--this is the background image of our paint
		love.graphics.clear(1.,1.,1.,1.0)
		love.graphics.setColor(1.0,1.0,1.0,1.0)
		love.graphics.draw(ui,0,0,0,scrsx,scrsy)	
		
end



local function brushScreenUpdate()
	 if npress==true then
	    print('bs click')
	    addMsg('bs click')
	    consumed=consumeClick(widgets)
	    print('consumed '..tostring(consumed))
	    if consumed==true
	    then
		return
	    end


	    npress=false
	 end

end


function toBrushScreen()

	if copySrc==nil then
	   print('no src frame')
	   return
	end

	currentSel.x=brushSelection.x
	print(currentSel.x  )
	currentSel.y=brushSelection.y
	print(currentSel.y  )
	currentSel.w=brushSelection.w
	print(currentSel.w  )
	currentSel.h=brushSelection.h
	print(currentSel.h  )

	

	bbsettexture(currentSel,frames[copySrc].pic)

	drawFunc=brushScreenDraw
	updateFunc=brushScreenUpdate

end