TheHomecraft/MineOS
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Мяу-мяу

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This commit is contained in:
Igor Timofeev 2017-06-09 20:34:06 +03:00
parent 71f4573bff
commit a1487eb9be
2 changed files with 33 additions and 7 deletions
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2
Applications.cfg
View File

@ -251,7 +251,7 @@
url="https://raw.githubusercontent.com/IgorTimofeev/OpenComputers/master/lib/image.lua",
type="Library",
preloadFile=true,
version=1.27,
version=1.28,
},
{
path="/lib/serialization.lua",

38
lib/image.lua
View File

@ -181,7 +181,7 @@ function image.load(path)
if fs.exists(path) then
return loadOrSave("load", path)
else
return image.fromString("0101FFE300x")
error("Failed to load image: file \"" .. tostring(path) .. "\" doesn't exists")
end
end
@ -392,19 +392,45 @@ function image.blur(picture, radius, strength)
return newPicture
end
function image.rotate(picture, angle)
local radAngle = math.rad(angle)
local sin, cos = math.sin(radAngle), math.cos(radAngle)
local pixMap = {}
local xCenter, yCenter = picture[1] / 2, picture[2] / 2
local xMin, xMax, yMin, yMax = math.huge, -math.huge, math.huge, -math.huge
for y = 1, picture[2] do
for x = 1, picture[1] do
local xNew = math.round(xCenter + (x - xCenter) * cos - (y - yCenter) * sin)
local yNew = math.round(yCenter + (y - yCenter) * cos + (x - xCenter) * sin)
xMin, xMax, yMin, yMax = math.min(xMin, xNew), math.max(xMax, xNew), math.min(yMin, yNew), math.max(yMax, yNew)
pixMap[yNew] = pixMap[yNew] or {}
pixMap[yNew][xNew] = {image.get(picture, x, y)}
end
end
local newPicture = image.create(xMax - xMin + 1, yMax - yMin + 1, 0xFF0000, 0x0, 0x0, "#")
for y in pairs(pixMap) do
for x in pairs(pixMap[y]) do
image.set(newPicture, x - xMin + 1, y - yMin + 1, pixMap[y][x][1], pixMap[y][x][2], pixMap[y][x][3], pixMap[y][x][4])
end
end
return newPicture
end
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image.loadFormatModule("/lib/ImageFormatModules/OCIF.lua", ".pic")
------------------------------------------------------------------------------------------------------------------------
-- local picture = image.load("/MineOS/Pictures/Block.pic")
-- gpu.setBackground(0x2D2D2D)
-- gpu.fill(1, 1, 160, 50, " ")
-- local p1 = image.load("/Cat.pic")
-- image.draw(1, 1, p1)
-- local p2 = image.blur(p1, 7, 1)
-- image.draw(1, 1, p2)
-- image.draw(2, 2, image.rotate(picture, 180))
------------------------------------------------------------------------------------------------------------------------