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IgorTimofeev 2021-03-31 02:13:36 +03:00
parent a9b88eb045
commit 70dd5a9d03
1 changed files with 26 additions and 131 deletions
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151
Libraries/Image.lua
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@ -78,110 +78,28 @@ encodingMethodsLoad[5] = function(file, picture)
end
end
encodingMethodsSave[6] = function(file, picture)
local function getGroupSize(t)
local size = 0
for key in pairs(t) do
size = size + 1
end
return size
end
-- Grouping picture by it's alphas, symbols and colors
local groupedPicture = group(picture, true)
-- Writing 1 byte per image width and height
file:writeBytes(
picture[1],
picture[2]
)
-- Writing 1 byte for alphas array size
file:writeBytes(getGroupSize(groupedPicture))
for alpha in pairs(groupedPicture) do
local symbolsSize = getGroupSize(groupedPicture[alpha])
file:writeBytes(
-- Writing 1 byte for current alpha value
math.floor(alpha * 255),
-- Writing 2 bytes for symbols array size
bit32.rshift(symbolsSize, 8),
bit32.band(symbolsSize, 0xFF)
)
for symbol in pairs(groupedPicture[alpha]) do
-- Writing current unicode symbol value
file:write(symbol)
-- Writing 1 byte for backgrounds array size
file:writeBytes(getGroupSize(groupedPicture[alpha][symbol]))
for background in pairs(groupedPicture[alpha][symbol]) do
file:writeBytes(
-- Writing 1 byte for background color value (compressed by color)
background,
-- Writing 1 byte for foregrounds array size
getGroupSize(groupedPicture[alpha][symbol][background])
)
for foreground in pairs(groupedPicture[alpha][symbol][background]) do
file:writeBytes(
-- Writing 1 byte for foreground color value (compressed by color)
foreground,
-- Writing 1 byte for y array size
getGroupSize(groupedPicture[alpha][symbol][background][foreground])
)
for y in pairs(groupedPicture[alpha][symbol][background][foreground]) do
file:writeBytes(
-- Writing 1 byte for current y value
y,
-- Writing 1 byte for x array size
#groupedPicture[alpha][symbol][background][foreground][y]
)
for x = 1, #groupedPicture[alpha][symbol][background][foreground][y] do
file:writeBytes(groupedPicture[alpha][symbol][background][foreground][y][x])
end
end
end
end
end
end
end
encodingMethodsLoad[6] = function(file, picture)
local function loadOCIF67(file, picture, mode)
picture[1] = file:readBytes(1)
picture[2] = file:readBytes(1)
local currentAlpha, currentSymbol, currentBackground, currentForeground, currentY
local alphaSize, symbolSize, backgroundSize, foregroundSize, ySize, xSize
alphaSize = file:readBytes(1)
for alpha = 1, alphaSize do
for alpha = 1, file:readBytes(1) + mode do
currentAlpha = file:readBytes(1) / 255
symbolSize = file:readBytes(2)
for symbol = 1, symbolSize do
for symbol = 1, file:readBytes(2) + mode do
currentSymbol = file:readUnicodeChar()
backgroundSize = file:readBytes(1)
for background = 1, backgroundSize do
for background = 1, file:readBytes(1) + mode do
currentBackground = color.to24Bit(file:readBytes(1))
foregroundSize = file:readBytes(1)
for foreground = 1, foregroundSize do
for foreground = 1, file:readBytes(1) + mode do
currentForeground = color.to24Bit(file:readBytes(1))
ySize = file:readBytes(1)
for y = 1, ySize do
for y = 1, file:readBytes(1) + mode do
currentY = file:readBytes(1)
xSize = file:readBytes(1)
for x = 1, xSize do
for x = 1, file:readBytes(1) + mode do
image.set(
picture,
file:readBytes(1),
@ -199,9 +117,9 @@ encodingMethodsLoad[6] = function(file, picture)
end
end
encodingMethodsSave[7] = function(file, picture)
local function saveOCIF67(file, picture, mode)
local function getGroupSize(t)
local size = -1
local size = mode == 1 and -1 or 0
for key in pairs(t) do
size = size + 1
@ -262,7 +180,7 @@ encodingMethodsSave[7] = function(file, picture)
-- Writing 1 byte for current y value
y,
-- Writing 1 byte for x array size
#groupedPicture[alpha][symbol][background][foreground][y] - 1
#groupedPicture[alpha][symbol][background][foreground][y] - mode
)
for x = 1, #groupedPicture[alpha][symbol][background][foreground][y] do
@ -275,43 +193,20 @@ encodingMethodsSave[7] = function(file, picture)
end
end
encodingMethodsSave[6] = function(file, picture)
saveOCIF67(file, picture, 0)
end
encodingMethodsLoad[6] = function(file, picture)
loadOCIF67(file, picture, 0)
end
encodingMethodsSave[7] = function(file, picture)
saveOCIF67(file, picture, 1)
end
encodingMethodsLoad[7] = function(file, picture)
picture[1] = file:readBytes(1)
picture[2] = file:readBytes(1)
local currentAlpha, currentSymbol, currentBackground, currentForeground, currentY
for alpha = 1, file:readBytes(1) + 1 do
currentAlpha = file:readBytes(1) / 255
for symbol = 1, file:readBytes(2) + 1 do
currentSymbol = file:readUnicodeChar()
for background = 1, file:readBytes(1) + 1 do
currentBackground = color.to24Bit(file:readBytes(1))
for foreground = 1, file:readBytes(1) + 1 do
currentForeground = color.to24Bit(file:readBytes(1))
for y = 1, file:readBytes(1) + 1 do
currentY = file:readBytes(1)
for x = 1, file:readBytes(1) + 1 do
image.set(
picture,
file:readBytes(1),
currentY,
currentBackground,
currentForeground,
currentAlpha,
currentSymbol
)
end
end
end
end
end
end
loadOCIF67(file, picture, 1)
end
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