Code: Select all
function horizontalflip(imagedata)
local width = imagedata:getWidth()
imagedata:mapPixel(function (x, y)
return imagedata:getpixel(width - x, y)
end)
return love.graphics.newImage(imagedata)
end
function verticalflip(imagedata)
local height = imagedata:getHeight()
imagedata:mapPixel(function (x, y)
return imagedata:getpixel(x, height - y)
end)
return love.graphics.newImage(imagedata)
end
Code: Select all
function flip(dir, imagedata)
local t, width, height = {}, imagedata:getWidth(), imagedata:getHeight()
for x = 1, width do
t[x] = {}
for y = 1, height do
if dir == "h" then
t[x][y] = {imagedata:getPixel(width - x, y - 1)}
elseif dir == "v" then
t[x][y] = {imagedata:getPixel(x - 1, height - y)}
end
end
end
for x = 1, width do
for y = 1, height do
imagedata:setPixel(x - 1, y - 1, unpack(t[x][y]))
end
end
return love.graphics.newImage(imagedata)
end
function love.load()
data = love.image.newImageData("img.png")
img = love.graphics.newImage(data)
himg = flip("h", data)
vimg = flip("v", data)
end
function love.draw()
love.graphics.draw(img, 5, 5)
love.graphics.draw(himg, 5, 205)
love.graphics.draw(vimg, 5, 405)
end