mirror of
https://github.com/bryanthaboi/gen1recomp
synced 2026-10-02 23:55:22 -04:00
bryanthaboi
95 lines
3.5 KiB
Lua
95 lines
3.5 KiB
Lua
-- Game Boy Printer stand-in. Yellow's printer jobs
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-- (engine/printer/printer.asm: PrintPokedexEntry and friends) drove a
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-- serial thermal printer; this port renders the same printout into a PNG
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-- under prints/ in the save directory instead, and the caller shows a
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-- dialog with where it landed. Scaled up 4x so the "print" is legible
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-- on a modern screen.
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--
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-- On Android the app-private prints/ folder is often invisible over USB /
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-- file managers even when the write succeeded (#2103). After the PNG is
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-- written, love.system.exportImage copies it into Pictures/Gen1Recomp and
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-- media-scans the in-app copy so both Gallery and the save folder work.
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local Logger = require("src.core.Logger")
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local Printer = {}
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local SCALE = 4
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local ANDROID_ALBUM = "Pictures/Gen1Recomp"
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-- After a successful Android gallery export, the public album path shown
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-- in the "Printed!" dialog. Nil on desktop / when the bridge is absent.
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Printer.lastAlbumPath = nil
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local function exportToAndroidGallery(relPath)
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Printer.lastAlbumPath = nil
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if not (love.system and love.system.getOS
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and love.system.getOS() == "Android") then
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return false
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end
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local exportImage = love.system.exportImage
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if type(exportImage) ~= "function" then return false end
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local ok, exported = pcall(exportImage, relPath)
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if ok and exported then
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Printer.lastAlbumPath = ANDROID_ALBUM
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return true
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end
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return false
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end
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-- Render drawFn (which draws a w x h GB-pixel image at 0,0) into
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-- prints/<name>_<stamp>.png. Returns the save-dir-relative path, or nil
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-- and an error string (headless / no canvas support degrades gracefully).
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-- On Android a successful gallery copy also sets Printer.lastAlbumPath.
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function Printer.save(name, w, h, drawFn)
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Printer.lastAlbumPath = nil
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if not (love.graphics and love.graphics.newCanvas) then
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return nil, "no graphics"
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end
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local ok, canvas = pcall(love.graphics.newCanvas, w * SCALE, h * SCALE)
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if not ok then return nil, tostring(canvas) end
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love.graphics.push("all")
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love.graphics.setCanvas(canvas)
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love.graphics.origin()
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love.graphics.scale(SCALE, SCALE)
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love.graphics.clear(1, 1, 1, 1)
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love.graphics.setColor(1, 1, 1, 1)
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local drawOk, drawErr = pcall(drawFn)
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love.graphics.pop()
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if not drawOk then return nil, tostring(drawErr) end
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local data
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ok, data = pcall(canvas.newImageData, canvas)
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if not ok then return nil, tostring(data) end
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local pfs = require("src.core.SaveData").portableFs()
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local path = ("prints/%s_%s.png"):format(name, os.date("%Y-%m-%d_%H%M%S"))
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local root
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if pfs then
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pfs.createDirectory("prints")
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local encOk, fd = pcall(data.encode, data, "png")
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if not encOk then return nil, tostring(fd) end
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local wrote, werr = pfs.write(path, fd:getString())
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if not wrote then return nil, tostring(werr) end
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root = require("src.core.SaveData").portableBaseDir()
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else
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love.filesystem.createDirectory("prints")
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local encOk, err = pcall(data.encode, data, "png", path)
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if not encOk then return nil, tostring(err) end
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root = love.filesystem.getSaveDirectory()
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end
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Logger.info("printed %s -> %s/%s", name, root, path)
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exportToAndroidGallery(path)
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return path
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end
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-- Second page of the "Printed!" dialog: public album on Android when the
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-- gallery bridge worked, otherwise the save-dir-relative PNG path.
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function Printer.savedWhereText(path)
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local Strings = require("src.core.Strings")
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if Printer.lastAlbumPath then
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return Strings("Saved to\n%s.", Printer.lastAlbumPath)
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end
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return Strings("Saved as\n%s\vin the save\nfolder.", path)
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end
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return Printer
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