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Diffstat (limited to 'src/frontier.rs')
-rw-r--r-- | src/frontier.rs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/frontier.rs b/src/frontier.rs new file mode 100644 index 0000000..2c6f43a --- /dev/null +++ b/src/frontier.rs @@ -0,0 +1,18 @@ +//! Frontiers on which to place pixels. + +use crate::color::Rgb8; + +/// A frontier of pixels. +pub trait Frontier { + /// The width of the image. + fn width(&self) -> u32; + + /// The height of the image. + fn height(&self) -> u32; + + /// The number of pixels currently on the frontier. + fn len(&self) -> usize; + + /// Place the given color on the frontier, and return its position. + fn place(&mut self, rgb8: Rgb8) -> Option<(u32, u32)>; +} |