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pub struct GraphicControl {
pub(crate) packed: u8,
pub(crate) delay_time: u16,
pub(crate) transparency_index: u8
}
impl GraphicControl {
pub fn new(disposal_method: DisposalMethod, user_input_flag: bool, transparency_flag: bool, delay_time: u16, transparency_index: u8) -> Self {
let mut ret = Self {
packed: 0,
delay_time,
transparency_index
};
ret.disposal_method(disposal_method);
ret.user_input(user_input_flag);
ret.transparency(transparency_flag);
ret
}
pub fn disposal_method(&mut self, method: DisposalMethod) {
match method {
DisposalMethod::Clear => self.packed &= 0b111_000_1_1,
DisposalMethod::DoNotDispose => self.packed |= 0b000_100_0_0,
DisposalMethod::RestoreBackground => self.packed |= 0b000_010_0_0,
DisposalMethod::RestorePrevious => self.packed |= 0b000_110_0_0
};
}
pub fn user_input(&mut self, flag: bool) {
if flag {
self.packed |= 0b000_000_1_0;
} else {
self.packed &= 0b111_111_0_1;
}
}
pub fn transparency(&mut self, flag: bool) {
if flag {
self.packed |= 0b000_000_0_1;
} else {
self.packed &= 0b111_111_1_0;
}
}
pub fn delay_time(&mut self, hundreths: u16) {
self.delay_time = hundreths;
}
//TODO: Transparency index setter
}
pub enum DisposalMethod {
Clear,
DoNotDispose,
RestoreBackground,
RestorePrevious
}
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