img

2 files changed, 42 insertions, 0 deletions

diff --git a/img/all.dat b/img/all.dat
index 47b32b3..2c33eaa 100644
--- a/img/all.dat
+++ b/img/all.dat
@@ -1,2 +1,3 @@
 dep img/load_pnm
+dep img/shitty_disp
 file
diff --git a/img/shitty_disp.lua b/img/shitty_disp.lua
new file mode 100644
index 0000000..f0a1f07
--- /dev/null
+++ b/img/shitty_disp.lua
@@ -0,0 +1,41 @@
+-- bad displayment thing
+
+local function color_dist(c1,c2)
+	local total = 0
+	for i=1,3 do total = total + (c1[i]-c2[i])^2 end
+	return total
+end
+
+local function closest_palette_color(R,c)
+	local closest = nil
+	local closest_dist = 99999999
+	for i=0,15 do
+		local pc = {R.getPaletteColor(2^i)}
+		local dist = color_dist(pc,c)
+		if dist < closest_dist then
+			closest = 2^i
+			closest_dist = dist 
+		end
+	end
+	return closest
+end
+
+
+local function disp(R,img,scrx,scry,w,h,imgx,imgy)
+	scrx = scrx or 1
+	scry = scry or 1
+	w = w or img.width
+	h = h or img.height
+	imgx = imgx or 1
+	imgy = imgy or 1
+
+	for offx=0,w-1 do
+		for offy=0,h-1 do
+			R.setCursorPos(scrx+offx,scry+offy)
+			local icol = img[imgy+offy][imgx+offx]
+			local pcol = closest_palette_color(R,icol)
+			R.setBackgroundColor(pcol)
+			R.write(" ")
+		end
+	end
+end