From a83dceee80465f667f351276d88111365562fa0b Mon Sep 17 00:00:00 2001
From: Kazhnuz <kazhnuz@chlore.net>
Date: Thu, 14 Nov 2019 19:50:26 +0100
Subject: [PATCH] feat(utils): add drawBorder function to utils

---
 gamecore/utils/graphics.lua | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/gamecore/utils/graphics.lua b/gamecore/utils/graphics.lua
index 925ddbe..4aaac79 100644
--- a/gamecore/utils/graphics.lua
+++ b/gamecore/utils/graphics.lua
@@ -75,6 +75,37 @@ function Graphics.printWithSpacing(text, spacing, align, x, y, r, sx, sy, ox, oy
   end
 end
 
+-- FILTER FUNCTIONS
+-- Basic filters to a drawable
+
+function Graphics.drawShadow(drawable, x, y, r, sx, sy, ox, oy, kx, ky)
+  local color = love.graphics.getColor()
+  love.graphics.setColor(0, 0, 0, 0)
+  love.graphics.draw(drawable, x+1, y+1, r, sx, sy, ox, oy, kx, ky)
+  love.graphics.setColor(color)
+
+  love.graphics.draw(drawable, x, y, r, sx, sy, ox, oy, kx, ky)
+end
+
+function Graphics.drawBorder(drawable, border, x, y, r, sx, sy, ox, oy, kx, ky)
+  local color = love.graphics.getColor()
+  local b = border or 1
+  love.graphics.setColor(0, 0, 0, 0)
+  love.graphics.draw(drawable, x-b, y-b, limit, align, r, sx, sy, ox, oy, kx, ky)
+  love.graphics.draw(drawable, x  , y-b, limit, align, r, sx, sy, ox, oy, kx, ky)
+  love.graphics.draw(drawable, x+b, y-b, limit, align, r, sx, sy, ox, oy, kx, ky)
+
+  love.graphics.draw(drawable, x+b, y  , limit, align, r, sx, sy, ox, oy, kx, ky)
+  love.graphics.draw(drawable, x-b, y  , limit, align, r, sx, sy, ox, oy, kx, ky)
+
+  love.graphics.draw(drawable, x-b, y+b, limit, align, r, sx, sy, ox, oy, kx, ky)
+  love.graphics.draw(drawable, x  , y+b, limit, align, r, sx, sy, ox, oy, kx, ky)
+  love.graphics.draw(drawable, x+b, y+b, limit, align, r, sx, sy, ox, oy, kx, ky)
+  love.graphics.setColor(color)
+
+  love.graphics.draw(drawable, x, y, r, sx, sy, ox, oy, kx, ky)
+end
+
 -- PLACEHOLDER GRAPHICS FUNCTIONS
 -- Ready-to-use placeolder and stuff