Merge branch 'feature/builder-pattern' into 'develop'

Feature/builder pattern

See merge request mchodzikiewicz/embedded-plots!6

examples/free_axis.rs

@@ -26,94 +26,97 @@ fn main() -> Result<(), core::convert::Infallible> {
         .text_color(RgbColor::YELLOW)
         .build();
 
-    Axis::new("X Fixed 0-100(10)",  0..100, Scale::Fixed(10))
+    Axis::new(0..100)
-        .into_drawable_axis(
+        .set_title("X Fixed 0-100(10)")
-            Placement::X{x1: 40, x2: 230, y: 10},
+        .set_scale(Scale::Fixed(10))
-            RgbColor::WHITE,
+        .into_drawable_axis(Placement::X { x1: 40, x2: 230, y: 10 })
-            text_style_white,
+        .set_color(RgbColor::WHITE)
-            2
+        .set_text_style(text_style_white)
-        )
+        .set_thickness(2)
+        .set_tick_size(2)
         .draw(&mut display)?;
 
-    Axis::new("X Fixed 0-200(100)",  0..200, Scale::Fixed(100))
+    Axis::new(0..200)
-        .into_drawable_axis(
+        .set_title("X Fixed 0-200(100)")
-            Placement::X{x1: 240, x2: 470, y: 10},
+        .set_scale(Scale::Fixed(100))
-            RgbColor::YELLOW,
+        .into_drawable_axis(Placement::X { x1: 240, x2: 470, y: 10 })
-            text_style_yellow_compact,
+        .set_color(RgbColor::YELLOW)
-            1
+        .set_text_style(text_style_yellow_compact)
-        )
+        .set_tick_size(2)
         .draw(&mut display)?;
 
-    Axis::new("X Frac 0-100(7)",  0..100, Scale::RangeFraction(7))
+    Axis::new(0..100)
-        .into_drawable_axis(
+        .set_title("X Frac 0-100(7)")
-            Placement::X{x1: 50, x2: 220, y: 30},
+        .set_scale(Scale::RangeFraction(7))
-            RgbColor::BLUE,
+        .into_drawable_axis(Placement::X { x1: 50, x2: 220, y: 30 })
-            text_style_white,
+        .set_color(RgbColor::BLUE)
-            3
+        .set_text_style(text_style_white)
-        )
+        .set_tick_size(3)
         .draw(&mut display)?;
 
-    Axis::new("X Frac 0-200(4)",  0..200, Scale::RangeFraction(4))
+    Axis::new(0..200)
-        .into_drawable_axis(
+        .set_title("X Frac 0-200(4)")
-            Placement::X{x1: 250, x2: 460, y: 40},
+        .set_scale(Scale::RangeFraction(4))
-            RgbColor::RED,
+        .into_drawable_axis(Placement::X { x1: 250, x2: 460, y: 40 })
-            text_style_yellow_compact,
+        .set_color(RgbColor::RED)
-            7
+        .set_text_style(text_style_yellow_compact)
-        )
+        .set_tick_size(7)
         .draw(&mut display)?;
 
-    Axis::new("Y Fixed 0-100(10)",  0..100, Scale::Fixed(10))
+    Axis::new(0..100)
+        .set_title("Y Fixed 0-100(10)")
+        .set_scale(Scale::Fixed(10))
         .into_drawable_axis(
-            Placement::Y{y1: 70, y2: 230, x: 160},
+            Placement::Y { y1: 70, y2: 230, x: 160 })
-            RgbColor::WHITE,
+        .set_color(RgbColor::WHITE)
-            text_style_white,
+        .set_text_style(text_style_white)
-            2
+        .set_tick_size(2)
-        )
         .draw(&mut display)?;
 
-    Axis::new("Y Fixed 0-200(100)",  0..200, Scale::Fixed(100))
+    Axis::new(0..200)
+        .set_title("Y Fixed 0-200(100)")
+        .set_scale(Scale::Fixed(100))
         .into_drawable_axis(
-            Placement::Y{y1: 70, y2: 210, x: 260},
+            Placement::Y { y1: 70, y2: 210, x: 260 })
-            RgbColor::YELLOW,
+        .set_color(RgbColor::YELLOW)
-            text_style_yellow_compact,
+        .set_text_style(text_style_yellow_compact)
-            1
+        .set_tick_size(1)
-        )
         .draw(&mut display)?;
 
-    Axis::new("Y Frac 0-100(7)",  0..100, Scale::RangeFraction(7))
+    Axis::new(0..100)
-        .into_drawable_axis(
+        .set_title("Y Frac 0-100(7)")
-            Placement::Y{y1: 60, y2: 180, x: 370},
+        .set_scale(Scale::RangeFraction(7))
-            RgbColor::BLUE,
+        .into_drawable_axis(Placement::Y { y1: 60, y2: 180, x: 370 })
-            text_style_white,
+        .set_color(RgbColor::BLUE)
-            3
+        .set_text_style(text_style_white)
-        )
+        .set_tick_size(3)
         .draw(&mut display)?;
 
-    Axis::new("Y Frac 0-200(4)",  0..200, Scale::RangeFraction(4))
+    Axis::new(0..200)
-        .into_drawable_axis(
+        .set_title("Y Frac 0-200(4)")
-            Placement::Y{y1: 90, y2: 220, x: 470},
+        .set_scale(Scale::RangeFraction(4))
-            RgbColor::RED,
+        .into_drawable_axis(Placement::Y { y1: 90, y2: 220, x: 470 })
-            text_style_yellow_compact,
+        .set_color(RgbColor::RED)
-            7
+        .set_text_style(text_style_yellow_compact)
-        )
+        .set_tick_size(7)
         .draw(&mut display)?;
 
-    Axis::new("X",  123..2137, Scale::Fixed(150))
+    Axis::new(123..2137)
-        .into_drawable_axis(
+        .set_title("X")
-            Placement::X{x1: 30, x2: 470, y: 250},
+        .set_scale(Scale::Fixed(150))
-            RgbColor::YELLOW,
+        .into_drawable_axis(Placement::X { x1: 30, x2: 470, y: 250 })
-            text_style_white,
+        .set_color(RgbColor::YELLOW)
-            2
+        .set_text_style(text_style_white)
-        )
+        .set_tick_size(2)
         .draw(&mut display)?;
 
-    Axis::new("Y",  0..2137, Scale::RangeFraction(15))
+    Axis::new(0..2137)
-        .into_drawable_axis(
+        .set_title("Y")
-            Placement::Y{y1: 10, y2: 250, x: 30},
+        .set_scale(Scale::RangeFraction(15))
-            RgbColor::WHITE,
+        .into_drawable_axis(Placement::Y { y1: 10, y2: 250, x: 30 })
-            text_style_white,
+        .set_color(RgbColor::WHITE)
-            2
+        .set_text_style(text_style_white)
-        )
+        .set_tick_size(2)
         .draw(&mut display)?;
 
 

examples/polyplot_mono.rs

@@ -1,50 +0,0 @@
-use embedded_graphics::{
-    pixelcolor::BinaryColor,
-    prelude::*,
-};
-
-use embedded_graphics_simulator::{
-    SimulatorDisplay,
-    Window,
-    OutputSettingsBuilder,
-    BinaryColorTheme
-};
-
-use embedded_plots::{
-    polyplot::{PolyPlot},
-    curve::{PlotPoint, Curve},
-};
-
-fn main() -> Result<(), core::convert::Infallible> {
-    let mut display: SimulatorDisplay<BinaryColor> = SimulatorDisplay::new(Size::new(128, 48));
-
-    let data1 = vec![
-        PlotPoint { x: 0, y: 0 },
-        PlotPoint { x: 1, y: 1 },
-        PlotPoint { x: 2, y: 1 },
-        PlotPoint { x: 3, y: 0 },
-    ];
-
-    let data2 = vec![
-        PlotPoint { x: 0, y: 1 },
-        PlotPoint { x: 1, y: 0 },
-        PlotPoint { x: 2, y: 3 },
-        PlotPoint { x: 3, y: 2 },
-        PlotPoint { x: 4, y: 2 },
-    ];
-
-    let curves = vec![
-        (Curve::from_data(data1.as_slice()), BinaryColor::On),
-        (Curve::from_data(data2.as_slice()), BinaryColor::On),
-    ];
-
-    let plot = PolyPlot::new(curves.as_slice(), Point { x: 10, y: 3 }, Point { x: 120, y: 45 });
-
-    plot.draw(&mut display)?;
-    let output_settings = OutputSettingsBuilder::new()
-        .theme(BinaryColorTheme::OledBlue)
-        .build();
-    Window::new("Basic plot", &output_settings).show_static(&display);
-
-    Ok(())
-}

examples/polyplot_rgb.rs

@@ -1,49 +0,0 @@
-use embedded_graphics::{
-    pixelcolor::Rgb565,
-    prelude::*,
-};
-
-use embedded_graphics_simulator::{
-    SimulatorDisplay,
-    Window,
-    OutputSettingsBuilder,
-
-};
-
-use embedded_plots::{
-    polyplot::{PolyPlot},
-    curve::{PlotPoint, Curve},
-};
-
-fn main() -> Result<(), core::convert::Infallible> {
-    let mut display: SimulatorDisplay<Rgb565> = SimulatorDisplay::new(Size::new(480, 272));
-
-    let data1 = vec![
-        PlotPoint { x: 0, y: 0 },
-        PlotPoint { x: 1, y: 1 },
-        PlotPoint { x: 2, y: 1 },
-        PlotPoint { x: 3, y: 0 },
-    ];
-
-    let data2 = vec![
-        PlotPoint { x: 0, y: 1 },
-        PlotPoint { x: 1, y: 0 },
-        PlotPoint { x: 2, y: 3 },
-        PlotPoint { x: 3, y: 2 },
-        PlotPoint { x: 4, y: 2 },
-    ];
-
-    let curves = vec![
-        (Curve::from_data(data1.as_slice()), RgbColor::YELLOW),
-        (Curve::from_data(data2.as_slice()), RgbColor::RED),
-    ];
-
-    let plot = PolyPlot::new(curves.as_slice(), Point { x: 10, y: 10 }, Point { x: 470, y: 260 });
-
-    plot.draw(&mut display)?;
-    let output_settings = OutputSettingsBuilder::new()
-        .build();
-    Window::new("Basic plot", &output_settings).show_static(&display);
-
-    Ok(())
-}

examples/single_plot_mono.rs

@@ -27,10 +27,9 @@ fn main() -> Result<(), core::convert::Infallible> {
         Scale::RangeFraction(3),
         Scale::RangeFraction(2),
     ).into_drawable(
-        BinaryColor::On,
         Point { x: 18, y: 2 },
         Point { x: 120, y: 30 },
-    );
+    ).set_color(BinaryColor::On);
 
     plot.draw(&mut display)?;
     let output_settings = OutputSettingsBuilder::new()

examples/single_plot_rgb.rs

@@ -29,13 +29,10 @@ fn main() -> Result<(), core::convert::Infallible> {
     let plot = SinglePlot::new(
         &curve,
         Scale::RangeFraction(3),
-        Scale::RangeFraction(2),
+        Scale::RangeFraction(2)).into_drawable(
-    )
-    .into_drawable(
-        RgbColor::YELLOW,
         Point { x: 50, y: 10 },
-        Point { x: 430, y: 250 }
+        Point { x: 430, y: 250 },
-    );
+    ).set_color(RgbColor::YELLOW).set_text_color(RgbColor::WHITE);
 
     plot.draw(&mut display)?;
     let output_settings = OutputSettingsBuilder::new()

src/axis.rs

@@ -1,8 +1,15 @@
 use core::ops::Range;
-use embedded_graphics::prelude::*;
+use core::fmt::Write;
-use embedded_graphics::style::{TextStyle};
+use heapless::{consts::*, String};
+
+use embedded_graphics::{
+    prelude::*,
+    style::{TextStyle, PrimitiveStyle},
+    primitives::Line,
+    fonts::Text,
+};
+use crate::range_conv::Scalable;
 
-use crate::drawable_axis::DrawableAxis;
 
 pub enum Placement {
     X {
@@ -22,24 +29,160 @@ pub enum Scale {
     RangeFraction(usize),
 }
 
+impl Default for Scale {
+    fn default() -> Self {
+        Scale::RangeFraction(5)
+    }
+}
+
 pub struct Axis<'a> {
-    title: &'a str,
     range: Range<i32>,
-    scale: Scale,
+    title: Option<&'a str>,
+    scale: Option<Scale>,
 }
 
 impl<'a> Axis<'a>
 {
-    pub fn new(title: &'a str, range: Range<i32>, scale: Scale) -> Axis<'a> {
+    pub fn new(range: Range<i32>) -> Axis<'a> {
-        Axis{title, range, scale}
+        Axis { range, title: None, scale: None }
     }
 
-    pub fn into_drawable_axis<C, F>(self, placement: Placement, plot_color: C, text_style: TextStyle<C, F>, tick_height: usize) -> DrawableAxis<'a, C, F>
+    pub fn set_scale(mut self, scale: Scale) -> Axis<'a> {
+        self.scale = Some(scale);
+        self
+    }
+
+    pub fn set_title(mut self, title: &'a str) -> Axis<'a> {
+        self.title = Some(title);
+        self
+    }
+
+    pub fn into_drawable_axis<C, F>(self, placement: Placement) -> DrawableAxis<'a, C, F>
         where
-            C: PixelColor,
+            C: PixelColor + Default,
             F: Font,
-            TextStyle<C, F>: Clone,
+            TextStyle<C, F>: Clone + Default,
     {
-        DrawableAxis::new(self.title,placement,self.range,self.scale,plot_color,text_style,tick_height)
+        DrawableAxis{
+            axis: self,
+            placement,
+            color: None,
+            text_style: None,
+            tick_size: None,
+            thickness: None,
+        }
+    }
+}
+
+pub struct DrawableAxis<'a, C, F>
+    where
+        C: PixelColor,
+        F: Font,
+        TextStyle<C, F>: Clone + Default,
+{
+    axis: Axis<'a>,
+    placement: Placement,
+    color: Option<C>,
+    text_style: Option<TextStyle<C, F>>,
+    tick_size: Option<usize>,
+    thickness: Option<usize>,
+}
+
+impl<'a, C, F> DrawableAxis<'a, C, F>
+    where
+        C: PixelColor + Default,
+        F: Font,
+        TextStyle<C, F>: Clone + Default,
+{
+    pub fn set_color(mut self, val: C) -> DrawableAxis<'a, C, F> {
+        self.color = Some(val);
+        self
+    }
+    pub fn set_text_style(mut self, val: TextStyle<C, F>) -> DrawableAxis<'a, C, F> {
+        self.text_style = Some(val);
+        self
+    }
+    pub fn set_tick_size(mut self, val: usize) -> DrawableAxis<'a, C, F> {
+        self.tick_size = Some(val);
+        self
+    }
+    pub fn set_thickness(mut self, val: usize) -> DrawableAxis<'a, C, F> {
+        self.thickness = Some(val);
+        self
+    }
+}
+
+
+impl<'a, C, F> Drawable<C> for DrawableAxis<'a, C, F>
+    where
+        C: PixelColor + Default,
+        F: Font + Copy,
+        TextStyle<C, F>: Clone + Default,
+{
+    fn draw<D: DrawTarget<C>>(self, display: &mut D) -> Result<(), D::Error> {
+        let color = self.color.unwrap_or_default();
+        let text_style = self.text_style.unwrap_or_default();
+        let thickness = self.thickness.unwrap_or(1);
+        let tick_size = self.tick_size.unwrap_or(2);
+
+
+        let scale_marks = match self.axis.scale.unwrap_or_default() {
+            Scale::Fixed(interval) => {
+                self.axis.range.clone().into_iter().step_by(interval)
+            }
+            Scale::RangeFraction(fraction) => {
+                let len = self.axis.range.len();
+                self.axis.range.clone().into_iter().step_by(len / fraction)
+            }
+        };
+        match self.placement {
+            Placement::X { x1, x2, y } => {
+                Line { start: Point { x: x1, y }, end: Point { x: x2, y } }
+                    .into_styled(PrimitiveStyle::with_stroke(color, thickness as u32))
+                    .draw(display)?;
+                if let Some(title) = self.axis.title {
+                    let title = Text::new(title, Point { x: x1, y: y + 10 })
+                        .into_styled(text_style);
+                    let title = title.translate(Point { x: (x2 - x1) / 2 - title.size().width as i32 / 2, y: 0 });
+                    title.draw(display)?;
+                }
+
+                for mark in scale_marks {
+                    let x = mark.scale_between_ranges(&self.axis.range, &(x1..x2));
+                    Line { start: Point { x, y: y - tick_size as i32 }, end: Point { x, y: y + tick_size as i32 } }
+                        .into_styled(PrimitiveStyle::with_stroke(color, thickness as u32))
+                        .draw(display)?;
+                    let mut buf: String::<U8> = String::new();
+                    write!(buf, "{}", mark).unwrap();
+                    Text::new(&buf, Point { x: x + 2, y: y + 2 }).into_styled(text_style).draw(display)?;
+                }
+            }
+            Placement::Y { y1, y2, x } => {
+                Line { start: Point { x, y: y1 }, end: Point { x, y: y2 } }
+                    .into_styled(PrimitiveStyle::with_stroke(color, thickness as u32))
+                    .draw(display)?;
+
+                let mut max_tick_text_width = 0;
+                for mark in scale_marks {
+                    let y = mark.scale_between_ranges(&self.axis.range, &(y2..y1));
+                    Line { start: Point { x: x - tick_size as i32, y }, end: Point { x: x + tick_size as i32, y } }
+                        .into_styled(PrimitiveStyle::with_stroke(color, thickness as u32))
+                        .draw(display)?;
+                    let mut buf: String::<U8> = String::new();
+                    write!(buf, "{}", mark).unwrap();
+                    let tick_val = Text::new(&buf, Point { x, y }).into_styled(text_style);
+                    let tick_val = tick_val.translate(Point { x: -(tick_val.size().width as i32) - 2, y: 2 });
+                    if tick_val.size().width > max_tick_text_width { max_tick_text_width = tick_val.size().width }
+                    tick_val.draw(display)?;
+                }
+                if let Some(title) = self.axis.title {
+                    let title = Text::new(title, Point { x, y: y1 })
+                        .into_styled(text_style);
+                    let title = title.translate(Point { x: -(title.size().width as i32) - max_tick_text_width as i32 - tick_size as i32 - 2, y: (y2 - y1) / 2 });
+                    title.draw(display)?;
+                }
+            }
+        }
+        Ok(())
     }
 }

src/curve.rs

@@ -1,10 +1,16 @@
 use core::ops::{Range};
 
 use crate::range_conv::Scalable;
-use crate::drawable_curve::DrawableCurve;
-use embedded_graphics::prelude::*;
 use itertools::{Itertools, MinMaxResult::MinMax, MinMaxResult};
 
+use embedded_graphics::drawable::{Drawable};
+use embedded_graphics::DrawTarget;
+use embedded_graphics::geometry::Point;
+use embedded_graphics::pixelcolor::{PixelColor};
+use embedded_graphics::primitives::{Line, Primitive};
+use embedded_graphics::style::PrimitiveStyle;
+
+
 pub struct PlotPoint {
     pub x: i32,
     pub y: i32,
@@ -43,7 +49,6 @@ impl<'a> Curve<'a> {
     pub fn into_drawable_curve<C>(&self,
                                   top_left: &'a Point,
                                   bottom_right: &'a Point,
-                                  color: C,
     ) -> DrawableCurve<C, impl Iterator<Item=Point> + '_>
         where C: PixelColor
     {
@@ -63,10 +68,61 @@ impl<'a> Curve<'a> {
                     &Range { start: bottom_right.y, end: top_left.y },
                 ),
             });
-        DrawableCurve::new(it, color)
+        DrawableCurve {
+            scaled_data: it,
+            color: None,
+            thickness: None,
+        }
     }
 }
 
+pub struct DrawableCurve<C, I>
+{
+    scaled_data: I,
+    color: Option<C>,
+    thickness: Option<usize>,
+}
+
+impl<C, I> DrawableCurve<C, I>
+    where
+        C: PixelColor,
+        I: Iterator<Item=Point>,
+{
+    pub fn set_color(mut self, color: C) -> DrawableCurve<C, I> {
+        self.color = Some(color);
+        self
+    }
+    pub fn set_thickness(mut self, thickness: usize) -> DrawableCurve<C,I> {
+        self.thickness = Some(thickness);
+        self
+    }
+}
+
+impl<C, I> Drawable<C> for DrawableCurve<C, I>
+    where C: PixelColor + Default,
+          I: Iterator<Item=Point>,
+{
+    fn draw<D: DrawTarget<C>>(self, display: &mut D) -> Result<(), D::Error> {
+        let color = match self.color {
+            None => C::default(),
+            Some(c) => c,
+        };
+        let thickness = match self.thickness {
+            None => 2,
+            Some(t) => t,
+        };
+        let style = PrimitiveStyle::with_stroke(color, thickness as u32);
+        let mut iter = self.scaled_data.into_iter();
+        let mut prev = iter.next().unwrap();
+        for point in iter {
+            Line::new(prev, point)
+                .into_styled(style)
+                .draw(display)?;
+            prev = point;
+        }
+        Ok(())
+    }
+}
 
 #[cfg(test)]
 mod tests {

src/drawable_axis.rs

@@ -1,105 +0,0 @@
-use embedded_graphics::prelude::*;
-use crate::axis::{Placement, Scale};
-use core::ops::Range;
-use embedded_graphics::style::{TextStyle, PrimitiveStyle};
-use embedded_graphics::fonts::Text;
-use crate::range_conv::Scalable;
-use embedded_graphics::primitives::Line;
-use heapless::{consts::*, String};
-use core::fmt::Write;
-
-
-pub struct DrawableAxis<'a, C, F>
-    where
-        C: PixelColor,
-        F: Font,
-        TextStyle<C, F>: Clone,
-{
-    title: &'a str,
-    placement: Placement,
-    range: Range<i32>,
-    scale: Scale,
-    color: C,
-    text_style: TextStyle<C, F>,
-    tick_size: usize,
-}
-
-impl<'a, C, F> DrawableAxis<'a, C, F>
-    where
-        C: PixelColor,
-        F: Font,
-        TextStyle<C, F>: Clone,
-{
-    pub(in crate) fn new(title: &'a str, placement: Placement, range: Range<i32>, scale: Scale, color: C, text_style: TextStyle<C, F>, tick_height: usize) -> DrawableAxis<'a, C, F> {
-        DrawableAxis { title, placement, range, scale, color, text_style, tick_size: tick_height }
-    }
-
-    pub fn size(&self) -> Point {
-        Point { x: 50, y: 50 }
-    }
-}
-
-
-impl<'a, C, F> Drawable<C> for DrawableAxis<'a, C, F>
-    where
-        C: PixelColor,
-        F: Font + Copy,
-        TextStyle<C, F>: Clone,
-{
-    fn draw<D: DrawTarget<C>>(self, display: &mut D) -> Result<(), D::Error> {
-        let scale_marks = match self.scale {
-            Scale::Fixed(interval) => {
-                self.range.clone().into_iter().step_by(interval)
-            }
-            Scale::RangeFraction(fraction) => {
-                let len = self.range.len();
-                self.range.clone().into_iter().step_by(len / fraction)
-            }
-        };
-        match self.placement {
-            Placement::X { x1, x2, y } => {
-                Line { start: Point { x: x1, y }, end: Point { x: x2, y } }
-                    .into_styled(PrimitiveStyle::with_stroke(self.color, 1))
-                    .draw(display)?;
-                let title = Text::new(self.title, Point { x: x1, y: y + 10 })
-                    .into_styled(self.text_style);
-                let title = title.translate(Point { x: (x2 - x1) / 2 - title.size().width as i32 / 2, y: 0 });
-                title.draw(display)?;
-
-                for mark in scale_marks {
-                    let x = mark.scale_between_ranges(&self.range, &(x1..x2));
-                    Line { start: Point { x, y: y - self.tick_size as i32 }, end: Point { x, y: y + self.tick_size as i32 } }
-                        .into_styled(PrimitiveStyle::with_stroke(self.color, 1))
-                        .draw(display)?;
-                    let mut buf: String::<U8> = String::new();
-                    write!(buf, "{}", mark).unwrap();
-                    Text::new(&buf, Point { x: x + 2, y: y + 2 }).into_styled(self.text_style).draw(display)?;
-                }
-            }
-            Placement::Y { y1, y2, x } => {
-                Line { start: Point { x, y: y1 }, end: Point { x, y: y2 } }
-                    .into_styled(PrimitiveStyle::with_stroke(self.color, 1))
-                    .draw(display)?;
-
-                let mut max_tick_text_width = 0;
-                for mark in scale_marks {
-                    let y = mark.scale_between_ranges(&self.range, &(y2..y1));
-                    Line { start: Point { x: x - self.tick_size as i32, y }, end: Point { x: x + self.tick_size as i32, y } }
-                        .into_styled(PrimitiveStyle::with_stroke(self.color, 1))
-                        .draw(display)?;
-                    let mut buf: String::<U8> = String::new();
-                    write!(buf, "{}", mark).unwrap();
-                    let tick_val = Text::new(&buf, Point { x, y }).into_styled(self.text_style);
-                    let tick_val = tick_val.translate(Point { x: -(tick_val.size().width as i32) - 2, y: 2 });
-                    if tick_val.size().width > max_tick_text_width { max_tick_text_width = tick_val.size().width }
-                    tick_val.draw(display)?;
-                }
-                let title = Text::new(self.title, Point { x, y: y1 })
-                    .into_styled(self.text_style);
-                let title = title.translate(Point { x: -(title.size().width as i32) - max_tick_text_width as i32 - self.tick_size as i32 - 2, y: (y2 - y1) / 2 });
-                title.draw(display)?;
-            }
-        }
-        Ok(())
-    }
-}

src/drawable_curve.rs

@@ -1,43 +0,0 @@
-use embedded_graphics::drawable::{Drawable};
-use embedded_graphics::DrawTarget;
-use embedded_graphics::geometry::Point;
-use embedded_graphics::pixelcolor::{PixelColor};
-use embedded_graphics::primitives::{Line, Primitive};
-use embedded_graphics::style::PrimitiveStyle;
-
-pub struct DrawableCurve<C, I>
-{
-    scaled_data: I,
-    color: C,
-}
-
-impl<C, I> DrawableCurve<C, I>
-    where
-        C: PixelColor,
-        I: Iterator<Item=Point>,
-{
-    pub(in crate) fn new(data: I, color: C) -> DrawableCurve<C, I> {
-        DrawableCurve {
-            scaled_data: data,
-            color,
-        }
-    }
-}
-
-impl<C, I> Drawable<C> for DrawableCurve<C, I>
-    where C: PixelColor,
-          I: Iterator<Item=Point>,
-{
-    fn draw<D: DrawTarget<C>>(self, display: &mut D) -> Result<(), D::Error> {
-        let style = PrimitiveStyle::with_stroke(self.color, 2);
-        let mut iter = self.scaled_data.into_iter();
-        let mut prev = iter.next().unwrap();
-        for point in iter {
-            Line::new(prev, point)
-                .into_styled(style)
-                .draw(display)?;
-            prev = point;
-        }
-        Ok(())
-    }
-}

src/lib.rs

@@ -2,9 +2,6 @@
 
 pub mod curve;
 pub mod axis;
-pub mod polyplot;
 pub mod single_plot;
 
-mod drawable_curve;
 mod range_conv;
-mod drawable_axis;

src/polyplot.rs

@@ -1,37 +0,0 @@
-use crate::curve::Curve;
-use embedded_graphics::drawable::Drawable;
-use embedded_graphics::DrawTarget;
-use embedded_graphics::prelude::Point;
-use embedded_graphics::pixelcolor::PixelColor;
-
-pub struct PolyPlot<'a, C>
-{
-    curves: &'a [(Curve<'a>, C)],
-    top_left: Point,
-    bottom_right: Point,
-}
-
-impl<'a, C> PolyPlot<'a, C>
-    where
-        C: PixelColor
-{
-    pub fn new(curves: &'a [(Curve<'a>, C)], top_left: Point, bottom_right: Point) -> PolyPlot<C> {
-        PolyPlot { curves, top_left, bottom_right }
-    }
-}
-
-impl<'a, C> Drawable<C> for PolyPlot<'a, C>
-    where
-        C: PixelColor
-{
-    fn draw<D: DrawTarget<C>>(self, display: &mut D) -> Result<(), D::Error> {
-        for (curve, color) in self.curves {
-            curve.into_drawable_curve(
-                &self.top_left,
-                &self.bottom_right,
-                *color,
-            ).draw(display)?;
-        }
-        Ok(())
-    }
-}

src/single_plot.rs

@@ -18,43 +18,97 @@ impl<'a> SinglePlot<'a> {
         SinglePlot { curve, x_scale, y_scale }
     }
 
-    pub fn into_drawable<C: PixelColor>(self, color: C, top_left: Point, bottom_right: Point) -> DrawableSinglePlot<'a, C> {
+    pub fn into_drawable<C: PixelColor + Default>(self, top_left: Point, bottom_right: Point) -> DrawableSinglePlot<'a, C> {
-        DrawableSinglePlot { plot: self, color, top_left, bottom_right }
+        DrawableSinglePlot { plot: self, color: None, text_color: None, axis_color: None, thickness: None, axis_thickness: None, top_left, bottom_right }
     }
 }
 
 pub struct DrawableSinglePlot<'a, C>
     where
-        C: PixelColor
+        C: PixelColor + Default,
 {
     plot: SinglePlot<'a>,
-    color: C,
+    color: Option<C>,
+    text_color: Option<C>,
+    axis_color: Option<C>,
+    thickness: Option<usize>,
+    axis_thickness: Option<usize>,
     top_left: Point,
     bottom_right: Point,
 }
 
+impl<'a, C> DrawableSinglePlot<'a, C>
+    where
+        C: PixelColor + Default,
+{
+    pub fn set_color(mut self, color: C) -> DrawableSinglePlot<'a, C> {
+        self.color = Some(color);
+        self
+    }
+
+    pub fn set_text_color(mut self, color: C) -> DrawableSinglePlot<'a, C> {
+        self.text_color = Some(color);
+        self
+    }
+
+    pub fn set_axis_color(mut self, color: C) -> DrawableSinglePlot<'a, C> {
+        self.axis_color = Some(color);
+        self
+    }
+
+    pub fn set_thickness(mut self, thickness: usize) -> DrawableSinglePlot<'a, C> {
+        self.thickness = Some(thickness);
+        self
+    }
+
+    pub fn set_axis_thickness(mut self, thickness: usize) -> DrawableSinglePlot<'a, C> {
+        self.axis_thickness = Some(thickness);
+        self
+    }
+
+}
+
 impl<'a, C> Drawable<C> for DrawableSinglePlot<'a, C>
     where
-        C: PixelColor
+        C: PixelColor + Default,
 {
     fn draw<D: DrawTarget<C>>(self, display: &mut D) -> Result<(), D::Error> {
+        let color = self.color.unwrap_or_default();
+        let text_color = self.text_color.unwrap_or(color);
+        let axis_color = self.axis_color.unwrap_or(color);
+        let thickness = self.thickness.unwrap_or(2);
+        let axis_thickness = self.axis_thickness.unwrap_or(thickness);
+
         let text_style = TextStyleBuilder::new(Font6x8)
-            .text_color(self.color)
+            .text_color(text_color)
             .build();
 
-        Axis::new("X", self.plot.curve.x_range.clone(), self.plot.x_scale)
+        Axis::new( self.plot.curve.x_range.clone())
-            .into_drawable_axis(Placement::X { x1: self.top_left.x, x2: self.bottom_right.x, y: self.bottom_right.y }, self.color, text_style, 2)
+            .set_title("X")
+            .set_scale(self.plot.x_scale)
+            .into_drawable_axis(Placement::X { x1: self.top_left.x, x2: self.bottom_right.x, y: self.bottom_right.y })
+            .set_color(axis_color)
+            .set_text_style(text_style)
+            .set_tick_size(2)
+            .set_thickness(axis_thickness)
             .draw(display)?;
 
-        Axis::new("Y", self.plot.curve.y_range.clone(), self.plot.y_scale)
+        Axis::new(self.plot.curve.y_range.clone())
-            .into_drawable_axis(Placement::Y { y1: self.top_left.y, y2: self.bottom_right.y, x: self.top_left.x }, self.color, text_style, 2)
+            .set_title("Y")
+            .set_scale(self.plot.y_scale)
+            .into_drawable_axis(Placement::Y { y1: self.top_left.y, y2: self.bottom_right.y, x: self.top_left.x })
+            .set_color(axis_color)
+            .set_text_style(text_style)
+            .set_tick_size(2)
+            .set_thickness(axis_thickness)
             .draw(display)?;
 
         self.plot.curve.into_drawable_curve(
             &self.top_left,
             &self.bottom_right,
-            self.color,
+        ).set_color(color)
-        ).draw(display)?;
+            .set_thickness(thickness)
+            .draw(display)?;
         Ok(())
     }
 }