diff options
Diffstat (limited to 'src/components/colortable.rs')
-rw-r--r-- | src/components/colortable.rs | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/src/components/colortable.rs b/src/components/colortable.rs deleted file mode 100644 index f756169..0000000 --- a/src/components/colortable.rs +++ /dev/null @@ -1,67 +0,0 @@ -use std::ops::Deref; -pub use super::Color; - -pub struct ColorTable { - table: Vec<Color> -} - -impl ColorTable { - pub fn new() -> Self { - Self { - table: vec![] - } - } - - /// Returns the number of colors in the color table as used by the packed - /// fields in the Logical Screen Descriptor and Image Descriptor. You can - /// get the actual size with the [`len`](struct.ColorTable.html#method.len) method. - pub fn packed_len(&self) -> u8 { - ((self.table.len() as f32).log2().ceil() - 1f32) as u8 - } - - /// Returns the number of items in the table - pub fn len(&self) -> usize { - self.table.len() - } - - /// Pushes a color on to the end of the table - pub fn push(&mut self, color: Color) { - self.table.push(color); - } -} - -impl Deref for ColorTable { - type Target = [Color]; - - fn deref(&self) -> &Self::Target { - &self.table - } -} - -impl From<Vec<Color>> for ColorTable { - fn from(table: Vec<Color>) -> Self{ - ColorTable { - table - } - } -} - -impl From<&ColorTable> for Box<[u8]> { - fn from(table: &ColorTable) -> Self { - let mut vec = vec![]; - - for color in table.iter() { - vec.extend_from_slice(&[color.r, color.g, color.b]); - } - - let packed_len = 2u8.pow(table.packed_len() as u32 + 1); - let padding = (packed_len as usize - table.len()) * 3; - if padding > 0 { - vec.extend_from_slice(&vec![0; padding]); - } - - vec.into_boxed_slice() - } -} - -//TODO: TryFrom Vec<u8> (must be multiple of 3 len) and From Vec<Color> \ No newline at end of file |