forked from AbleOS/ableos
34 lines
678 B
Plaintext
34 lines
678 B
Plaintext
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.{log} := @use("../../../stn/src/lib.hb");
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.{Surface} := @use("../lib.hb")
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bmp := @use("bmp.hb")
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qoi := @use("qoi.hb")
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BMP := 0x4D42
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QOI := 0x66696F71
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// stand-in for null until bugfix
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DOES_NOT_EXIST := 1 << 32
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get_format := fn(file: ^u8): uint {
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if *@as(^u16, @bitcast(file)) == BMP {
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return BMP
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} else if *@as(^u32, @bitcast(file)) == QOI {
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return QOI
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} else {
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return DOES_NOT_EXIST
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}
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}
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from := fn(file: ^u8): ?Surface {
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format := get_format(file)
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if format == DOES_NOT_EXIST {
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log.error("Could not detect image format.\0")
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return null
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} else if format == BMP {
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return bmp.from(file)
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} else if format == QOI {
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return qoi.from(file)
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}
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return null
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}
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