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module Chelleport.Context (initializeContext) where
import Chelleport.Config
import Chelleport.Types
import Data.ByteString (ByteString)
import Data.FileEmbed (embedFileRelative)
import qualified Graphics.X11 as X11
import SDL (($=))
import qualified SDL
import qualified SDL.Font as TTF
initializeContext :: IO DrawContext
initializeContext = do
-- Initialize SDL
SDL.initialize [SDL.InitVideo, SDL.InitEvents]
TTF.initialize
window <- initializeWindow
renderer <- initializeRenderer window
(fontSm, fontLg) <- loadFonts
display <- X11.openDisplay ""
pure $
DrawContext
{ ctxWindow = window,
ctxRenderer = renderer,
ctxFontLarge = fontLg,
ctxFontSmall = fontSm,
ctxX11Display = display
}
rawFontData :: ByteString
rawFontData = $(embedFileRelative "./static/font.ttf")
loadFonts :: IO (TTF.Font, TTF.Font)
loadFonts = do
fontSm <- TTF.decode rawFontData 14
TTF.setStyle fontSm [TTF.Bold]
fontLg <- TTF.decode rawFontData 24
TTF.setStyle fontLg [TTF.Bold]
pure (fontSm, fontLg)
initializeRenderer :: SDL.Window -> IO SDL.Renderer
initializeRenderer window = do
renderer <- SDL.createRenderer window (-1) SDL.defaultRenderer -- No hw acc: {SDL.rendererType = SDL.SoftwareRenderer}
SDL.windowOpacity window $= windowOpacity
SDL.rendererDrawBlendMode renderer $= SDL.BlendAlphaBlend
pure renderer
initializeWindow :: IO SDL.Window
initializeWindow = do
let windowCfg =
SDL.defaultWindow
{ SDL.windowMode = SDL.FullscreenDesktop,
SDL.windowPosition = SDL.Absolute $ SDL.P $ SDL.V2 0 0,
SDL.windowInitialSize = SDL.V2 0 0,
SDL.windowBorder = False
}
SDL.createWindow "Chelleport" windowCfg
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