1 files changed, 0 insertions, 294 deletions
diff --git a/alligator_tvg/src/path.rs b/alligator_tvg/src/path.rs
deleted file mode 100644
index d2bf4fb..0000000
--- a/alligator_tvg/src/path.rs
+++ /dev/null
@@ -1,294 +0,0 @@
-use std::io::{self, Read};
-
-use byteorder::ReadBytesExt;
-use num_enum::TryFromPrimitive;
-
-use crate::{header::TvgHeader, read_unit, read_varuint, Decode, Point};
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, TryFromPrimitive)]
-#[repr(u8)]
-enum Sweep {
-	Right = 0,
-	Left = 1,
-}
-
-/// An instruction to move a hypothetical "pen".
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, TryFromPrimitive)]
-#[repr(u8)]
-enum InstructionKind {
-	/// A straight line is drawn from the current point to a new point.
-	Line = 0,
-	/// A straight horizontal line is drawn from the current point to a new x
-	/// coordinate.
-	HorizontalLine = 1,
-	/// A straight vertical line is drawn from the current point to a new y
-	/// coordiante.
-	VerticalLine = 2,
-	/// A cubic Bézier curve is drawn from the current point to a new point.
-	CubicBezier = 3,
-	/// A circle segment is drawn from current point to a new point.
-	ArcCircle = 4,
-	/// An ellipse segment is drawn from current point to a new point.
-	ArcEllipse = 5,
-	/// The path is closed, and a straight line is drawn to the starting point.
-	ClosePath = 6,
-	/// A quadratic Bézier curve is drawn from the current point to a new point.
-	QuadraticBezier = 7,
-}
-
-#[derive(Debug, Clone, Copy)]
-enum InstructionData {
-	/// The line instruction draws a straight line to the position.
-	Line {
-		/// The end point of the line.
-		position: Point,
-	},
-	/// The horizontal line instruction draws a straight horizontal line to a
-	/// given x coordinate.
-	HorizontalLine {
-		/// The new x coordinate.
-		x: f64,
-	},
-	/// The vertical line instruction draws a straight vertical line to a given
-	/// y coordinate.
-	VerticalLine {
-		/// The new y coordinate.
-		y: f64,
-	},
-	/// The cubic bezier instruction draws a Bézier curve with two control
-	/// points.
-	///
-	/// The curve is drawn between the current location and `point_1` with
-	/// `control_0` being the first control point and `control_1` being the
-	/// second one.
-	CubicBezier {
-		/// The first control point.
-		control_0: Point,
-		/// The second control point.
-		control_1: Point,
-		/// The end point of the Bézier curve.
-		point_1: Point,
-	},
-	/// Draws a circle segment between the current and the target point.
-	///
-	/// The `radius` field determines the radius of the circle. If the distance
-	/// between the current point and `target` is larger than `radius`, the
-	/// distance is used as the radius.
-	ArcCircle {
-		/// If `true`, the large portion of the circle segment is drawn.
-		large_arc: bool,
-		/// Determines if the circle segment is left- or right bending.
-		sweep: Sweep,
-		/// The radius of the circle.
-		radius: f64,
-		/// The end point of the circle segment.
-		target: Point,
-	},
-	/// Draws an ellipse segment between the current and the target point.
-	///
-	/// The `radius_x` and `radius_y` fields determine the both radii of the
-	/// ellipse. If the distance between the current point and target is not
-	/// enough to fit any ellipse segment between the two points, `radius_x`
-	/// and `radius_y` are scaled uniformly so that it fits exactly.
-	ArcEllipse {
-		/// If `true`, the large portion of the ellipse segment is drawn.
-		large_arc: bool,
-		/// Determines if the ellipse segment is left- or right bending.
-		sweep: Sweep,
-		/// The radius of the ellipse segment in the horizontal direction.
-		radius_x: f64,
-		/// The radius of the ellipse segment in the vertical direction.
-		radius_y: f64,
-		/// The rotation of the ellipse in mathematical negative direction, in
-		/// degrees.
-		rotation: f64,
-		/// The end point of the ellipse segment.
-		target: Point,
-	},
-	/// A straight line is drawn to the start location of the current segment.
-	/// This instruction doesn’t have additional data encoded.
-	ClosePath,
-	/// The quadratic bezier instruction draws a Bézier curve with a single
-	/// control point.
-	///
-	/// The curve is drawn between the current location and `point_1` with
-	/// control being the control point.
-	QuadraticBezier {
-		/// The control point.
-		control: Point,
-		/// The end point of the Bézier curve.
-		target: Point,
-	},
-}
-
-impl InstructionData {
-	fn read(reader: &mut impl Read, header: &TvgHeader, kind: InstructionKind) -> io::Result<Self> {
-		match kind {
-			InstructionKind::Line => Self::read_line(reader, header),
-			InstructionKind::HorizontalLine => Self::read_horizontal_line(reader, header),
-			InstructionKind::VerticalLine => Self::read_vertical_line(reader, header),
-			InstructionKind::CubicBezier => Self::read_cubic_bezier(reader, header),
-			InstructionKind::ArcCircle => Self::read_arc_circle(reader, header),
-			InstructionKind::ArcEllipse => Self::read_arc_ellipse(reader, header),
-			InstructionKind::ClosePath => Ok(Self::ClosePath),
-			InstructionKind::QuadraticBezier => Self::read_quadratic_bezier(reader, header),
-		}
-	}
-
-	fn read_line(reader: &mut impl Read, header: &TvgHeader) -> io::Result<Self> {
-		Ok(Self::Line {
-			position: Point::read(reader, header)?,
-		})
-	}
-
-	fn read_horizontal_line(reader: &mut impl Read, header: &TvgHeader) -> io::Result<Self> {
-		Ok(Self::HorizontalLine {
-			x: read_unit(reader, header)?,
-		})
-	}
-
-	fn read_vertical_line(reader: &mut impl Read, header: &TvgHeader) -> io::Result<Self> {
-		Ok(Self::VerticalLine {
-			y: read_unit(reader, header)?,
-		})
-	}
-
-	fn read_cubic_bezier(reader: &mut impl Read, header: &TvgHeader) -> io::Result<Self> {
-		Ok(Self::CubicBezier {
-			control_0: Point::read(reader, header)?,
-			control_1: Point::read(reader, header)?,
-			point_1: Point::read(reader, header)?,
-		})
-	}
-
-	fn read_arc_header(reader: &mut impl Read, header: &TvgHeader) -> io::Result<(bool, Sweep)> {
-		// large_arc and sweep are stored in the same byte
-		let byte = reader.read_u8()?;
-		let large_arc = (byte & 1) != 0;
-		let sweep = match byte & 2 {
-			0 => Sweep::Left,
-			_ => Sweep::Right,
-		};
-
-		Ok((large_arc, sweep))
-	}
-
-	fn read_arc_circle(reader: &mut impl Read, header: &TvgHeader) -> io::Result<Self> {
-		let (large_arc, sweep) = Self::read_arc_header(reader, header)?;
-		let radius = read_unit(reader, header)?;
-		let target = Point::read(reader, header)?;
-
-		Ok(Self::ArcCircle {
-			large_arc,
-			sweep,
-			radius,
-			target,
-		})
-	}
-
-	fn read_arc_ellipse(reader: &mut impl Read, header: &TvgHeader) -> io::Result<Self> {
-		let (large_arc, sweep) = Self::read_arc_header(reader, header)?;
-		let radius_x = read_unit(reader, header)?;
-		let radius_y = read_unit(reader, header)?;
-		let rotation = read_unit(reader, header)?;
-		let target = Point::read(reader, header)?;
-
-		Ok(Self::ArcEllipse {
-			large_arc,
-			sweep,
-			radius_x,
-			radius_y,
-			rotation,
-			target,
-		})
-	}
-
-	fn read_quadratic_bezier(reader: &mut impl Read, header: &TvgHeader) -> io::Result<Self> {
-		Ok(Self::QuadraticBezier {
-			control: Point::read(reader, header)?,
-			target: Point::read(reader, header)?,
-		})
-	}
-}
-
-#[derive(Debug, Clone)]
-struct Instruction {
-	/// The width of the line the "pen" makes, if it makes one at all.
-	line_width: Option<f64>,
-	/// The arguments to the instruction.
-	data: InstructionData,
-}
-
-impl Instruction {
-	fn read(reader: &mut impl Read, header: &TvgHeader) -> io::Result<Self> {
-		let byte = reader.read_u8()?;
-		let instruction_kind =
-			InstructionKind::try_from_primitive(byte & 0b0000_0111).expect("invalid instruction");
-		let has_line_width = (byte & 0b0001_0000) != 0;
-
-		let line_width = has_line_width
-			.then(|| read_unit(reader, header))
-			.transpose()?;
-		let data = InstructionData::read(reader, header, instruction_kind)?;
-
-		Ok(Self { line_width, data })
-	}
-}
-
-#[derive(Debug, Clone)]
-struct Segment {
-	/// The starting point of the segment.
-	start: Point,
-	/// The list of instructions for tha segment.
-	instructions: Box<[Instruction]>,
-}
-
-impl Segment {
-	fn read(reader: &mut impl Read, header: &TvgHeader, segment_length: u32) -> io::Result<Self> {
-		let start = Point::read(reader, header)?;
-
-		let mut instructions = Vec::with_capacity(segment_length as usize);
-		for _ in 0..segment_length {
-			instructions.push(Instruction::read(reader, header)?)
-		}
-
-		Ok(Segment {
-			start,
-			instructions: instructions.into_boxed_slice(),
-		})
-	}
-}
-
-/// Paths describe instructions to create complex 2D graphics.
-///
-/// Each path segment generates a shape by moving a ”pen” around. The path this
-/// ”pen” takes is the outline of our segment. Each segment, the ”pen” starts
-/// at a defined position and is moved by instructions. Each instruction will
-/// leave the ”pen” at a new position. The line drawn by our ”pen” is the
-/// outline of the shape.
-#[derive(Debug, Clone)]
-pub struct Path {
-	segments: Box<[Segment]>,
-}
-
-impl Path {
-	pub(crate) fn read(
-		reader: &mut impl Read,
-		header: &TvgHeader,
-		segment_count: u32,
-	) -> io::Result<Self> {
-		let mut segment_lengths = Vec::with_capacity(segment_count as usize);
-		for _ in 0..segment_count {
-			segment_lengths.push(read_varuint(reader)? + 1);
-		}
-
-		let mut segments = Vec::with_capacity(segment_count as usize);
-		for segment_length in segment_lengths {
-			segments.push(Segment::read(reader, header, segment_length)?);
-		}
-
-		Ok(Self {
-			segments: segments.into_boxed_slice(),
-		})
-	}
-}