ml
72 lines
2.0 KiB
Go
72 lines
2.0 KiB
Go
package external
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import (
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"image"
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"image/png"
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"os"
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"path/filepath"
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"github.com/inkyblackness/hacked/ss1/content/audio"
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"github.com/inkyblackness/hacked/ss1/content/audio/wav"
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"github.com/inkyblackness/hacked/ss1/content/bitmap"
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"github.com/inkyblackness/hacked/ui/gui"
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)
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// Export starts an export dialog series, calling the given callback with a folder name.
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func Export(machine gui.ModalStateMachine, info string, callback func(string), lastFailed bool) {
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machine.SetState(&exportStartState{
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machine: machine,
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callback: callback,
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info: info,
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withError: lastFailed,
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})
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}
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// ExportAudio is a helper wrapper for exporting audio.
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func ExportAudio(machine gui.ModalStateMachine, filename string, sound audio.L8) {
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info := "File to be written: " + filename
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var dirHandler func(string)
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dirHandler = func(dirname string) {
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writer, err := os.Create(filepath.Join(dirname, filename))
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if err != nil {
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Export(machine, info, dirHandler, true)
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return
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}
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defer func() { _ = writer.Close() }()
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err = wav.Save(writer, sound.SampleRate, sound.Samples)
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if err != nil {
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Export(machine, info, dirHandler, true)
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}
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}
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Export(machine, info, dirHandler, false)
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}
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// ExportImage is a helper wrapper for exporting single images.
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func ExportImage(machine gui.ModalStateMachine, filename string, bmp bitmap.Bitmap) {
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info := "File to be written: " + filename
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var exportTo func(string)
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exportTo = func(dirname string) {
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writer, err := os.Create(filepath.Join(dirname, filename))
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if err != nil {
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Export(machine, "Could not create file.\n"+info, exportTo, true)
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return
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}
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defer func() { _ = writer.Close() }()
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imageRect := image.Rect(0, 0, int(bmp.Header.Width), int(bmp.Header.Height))
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imagePal := bmp.Palette.ColorPalette(false)
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paletted := image.NewPaletted(imageRect, imagePal)
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paletted.Pix = bmp.Pixels
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err = png.Encode(writer, paletted)
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if err != nil {
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Export(machine, info, exportTo, true)
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return
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}
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}
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Export(machine, info, exportTo, false)
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}
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