diff --git a/Cargo.toml b/Cargo.toml index 5ab7021..62aca47 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "embedded-plots" -version = "0.1.2" +version = "0.2.0" authors = ["Michał Chodzikiewicz "] edition = "2018" license = "LGPL-2.1-only" @@ -14,10 +14,10 @@ categories = ["embedded","visualization","no-std","graphics"] # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html [dependencies] -embedded-graphics = "0.6.0" -itertools = {version = "0.9.0", default-features = false} +embedded-graphics = "0.7.1" +itertools = {version = "0.9.0", default-features = false } heapless = "0.7.3" [dev-dependencies] -embedded-graphics-simulator = "0.2.1" +embedded-graphics-simulator = "0.3.0" test-case = "1.0.0" diff --git a/examples/free_axis.rs b/examples/free_axis.rs index f738ac4..b2368e3 100644 --- a/examples/free_axis.rs +++ b/examples/free_axis.rs @@ -1,35 +1,38 @@ use embedded_graphics::{ + mono_font::{ + ascii::{FONT_5X8, FONT_5X7}, + MonoTextStyleBuilder, + }, pixelcolor::Rgb565, prelude::*, - style::TextStyleBuilder, - fonts::{Font6x8, Font6x6}, }; -use embedded_graphics_simulator::{ - SimulatorDisplay, - Window, - OutputSettingsBuilder, -}; +use embedded_graphics_simulator::{OutputSettingsBuilder, SimulatorDisplay, Window}; -use embedded_plots::{ - axis::{Axis, Placement, Scale}, -}; +use embedded_graphics::pixelcolor::RgbColor; +use embedded_plots::axis::{Axis, Placement, Scale}; fn main() -> Result<(), core::convert::Infallible> { let mut display: SimulatorDisplay = SimulatorDisplay::new(Size::new(480, 272)); - let text_style_white = TextStyleBuilder::new(Font6x8) + let text_style_white = MonoTextStyleBuilder::new() + .font(&FONT_5X8) .text_color(RgbColor::WHITE) .build(); - let text_style_yellow_compact = TextStyleBuilder::new(Font6x6) + let text_style_yellow_compact = MonoTextStyleBuilder::new() + .font(&FONT_5X7) .text_color(RgbColor::YELLOW) .build(); Axis::new(0..100) .set_title("X Fixed 0-100(10)") .set_scale(Scale::Fixed(10)) - .into_drawable_axis(Placement::X { x1: 40, x2: 230, y: 10 }) + .into_drawable_axis(Placement::X { + x1: 40, + x2: 230, + y: 10, + }) .set_color(RgbColor::WHITE) .set_text_style(text_style_white) .set_thickness(2) @@ -39,7 +42,11 @@ fn main() -> Result<(), core::convert::Infallible> { Axis::new(0..200) .set_title("X Fixed 0-200(100)") .set_scale(Scale::Fixed(100)) - .into_drawable_axis(Placement::X { x1: 240, x2: 470, y: 10 }) + .into_drawable_axis(Placement::X { + x1: 240, + x2: 470, + y: 10, + }) .set_color(RgbColor::YELLOW) .set_text_style(text_style_yellow_compact) .set_tick_size(2) @@ -48,7 +55,11 @@ fn main() -> Result<(), core::convert::Infallible> { Axis::new(0..100) .set_title("X Frac 0-100(7)") .set_scale(Scale::RangeFraction(7)) - .into_drawable_axis(Placement::X { x1: 50, x2: 220, y: 30 }) + .into_drawable_axis(Placement::X { + x1: 50, + x2: 220, + y: 30, + }) .set_color(RgbColor::BLUE) .set_text_style(text_style_white) .set_tick_size(3) @@ -57,7 +68,11 @@ fn main() -> Result<(), core::convert::Infallible> { Axis::new(0..200) .set_title("X Frac 0-200(4)") .set_scale(Scale::RangeFraction(4)) - .into_drawable_axis(Placement::X { x1: 250, x2: 460, y: 40 }) + .into_drawable_axis(Placement::X { + x1: 250, + x2: 460, + y: 40, + }) .set_color(RgbColor::RED) .set_text_style(text_style_yellow_compact) .set_tick_size(7) @@ -66,8 +81,11 @@ fn main() -> Result<(), core::convert::Infallible> { 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 }) + .into_drawable_axis(Placement::Y { + y1: 70, + y2: 230, + x: 130, + }) .set_color(RgbColor::WHITE) .set_text_style(text_style_white) .set_tick_size(2) @@ -76,8 +94,11 @@ fn main() -> Result<(), core::convert::Infallible> { 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 }) + .into_drawable_axis(Placement::Y { + y1: 70, + y2: 210, + x: 260, + }) .set_color(RgbColor::YELLOW) .set_text_style(text_style_yellow_compact) .set_tick_size(1) @@ -86,7 +107,11 @@ fn main() -> Result<(), core::convert::Infallible> { Axis::new(0..100) .set_title("Y Frac 0-100(7)") .set_scale(Scale::RangeFraction(7)) - .into_drawable_axis(Placement::Y { y1: 60, y2: 180, x: 370 }) + .into_drawable_axis(Placement::Y { + y1: 60, + y2: 180, + x: 370, + }) .set_color(RgbColor::BLUE) .set_text_style(text_style_white) .set_tick_size(3) @@ -95,7 +120,11 @@ fn main() -> Result<(), core::convert::Infallible> { Axis::new(0..200) .set_title("Y Frac 0-200(4)") .set_scale(Scale::RangeFraction(4)) - .into_drawable_axis(Placement::Y { y1: 90, y2: 220, x: 470 }) + .into_drawable_axis(Placement::Y { + y1: 90, + y2: 220, + x: 470, + }) .set_color(RgbColor::RED) .set_text_style(text_style_yellow_compact) .set_tick_size(7) @@ -104,7 +133,11 @@ fn main() -> Result<(), core::convert::Infallible> { Axis::new(123..2137) .set_title("X") .set_scale(Scale::Fixed(150)) - .into_drawable_axis(Placement::X { x1: 30, x2: 470, y: 250 }) + .into_drawable_axis(Placement::X { + x1: 30, + x2: 470, + y: 250, + }) .set_color(RgbColor::YELLOW) .set_text_style(text_style_white) .set_tick_size(2) @@ -113,16 +146,18 @@ fn main() -> Result<(), core::convert::Infallible> { Axis::new(0..2137) .set_title("Y") .set_scale(Scale::RangeFraction(15)) - .into_drawable_axis(Placement::Y { y1: 10, y2: 250, x: 30 }) + .into_drawable_axis(Placement::Y { + y1: 10, + y2: 250, + x: 30, + }) .set_color(RgbColor::WHITE) .set_text_style(text_style_white) .set_tick_size(2) .draw(&mut display)?; - - let output_settings = OutputSettingsBuilder::new() - .build(); + let output_settings = OutputSettingsBuilder::new().build(); Window::new("Free axis", &output_settings).show_static(&display); Ok(()) -} \ No newline at end of file +} diff --git a/examples/single_plot_mono.rs b/examples/single_plot_mono.rs index 5fc011a..fa85e8f 100644 --- a/examples/single_plot_mono.rs +++ b/examples/single_plot_mono.rs @@ -1,42 +1,35 @@ -use embedded_graphics::{ - prelude::*, - pixelcolor::BinaryColor, +use embedded_graphics::{pixelcolor::BinaryColor, prelude::*}; +use embedded_graphics_simulator::{ + BinaryColorTheme, OutputSettingsBuilder, SimulatorDisplay, Window, }; -use embedded_graphics_simulator::{SimulatorDisplay, Window, OutputSettingsBuilder, BinaryColorTheme}; - use embedded_plots::{ - single_plot::{SinglePlot}, - curve::{PlotPoint, Curve}, axis::Scale, + curve::{Curve, PlotPoint}, + single_plot::SinglePlot, }; fn main() -> Result<(), core::convert::Infallible> { let mut display: SimulatorDisplay = SimulatorDisplay::new(Size::new(128, 48)); - let data = vec![ PlotPoint { x: 0, y: 0 }, PlotPoint { x: 1, y: 2 }, PlotPoint { x: 2, y: 2 }, PlotPoint { x: 3, y: 0 }, ]; - let curve = Curve::from_data(data.as_slice()); - let plot = SinglePlot::new( - &curve, - Scale::RangeFraction(3), - Scale::RangeFraction(2), - ).into_drawable( - Point { x: 18, y: 2 }, - Point { x: 120, y: 30 }, - ).set_color(BinaryColor::On); + let curve = Curve::from_data(data.as_slice()); + let plot = SinglePlot::new(&curve, Scale::RangeFraction(3), Scale::RangeFraction(2)) + .into_drawable(Point { x: 18, y: 2 }, Point { x: 120, y: 30 }) + .set_color(BinaryColor::On); plot.draw(&mut display)?; + let output_settings = OutputSettingsBuilder::new() .theme(BinaryColorTheme::OledBlue) .build(); - Window::new("Basic plot", &output_settings) - .show_static(&display); + + Window::new("Basic plot", &output_settings).show_static(&display); Ok(()) -} \ No newline at end of file +} diff --git a/examples/single_plot_rgb.rs b/examples/single_plot_rgb.rs index f3c0c29..ad20912 100644 --- a/examples/single_plot_rgb.rs +++ b/examples/single_plot_rgb.rs @@ -1,43 +1,33 @@ -use embedded_graphics::{ - pixelcolor::Rgb565, - prelude::*, -}; +use embedded_graphics::{pixelcolor::Rgb565, prelude::*}; -use embedded_graphics_simulator::{ - SimulatorDisplay, - Window, - OutputSettingsBuilder, -}; +use embedded_graphics_simulator::{OutputSettingsBuilder, SimulatorDisplay, Window}; use embedded_plots::{ - single_plot::{SinglePlot}, - curve::{PlotPoint, Curve}, axis::Scale, + curve::{Curve, PlotPoint}, + single_plot::SinglePlot, }; fn main() -> Result<(), core::convert::Infallible> { let mut display: SimulatorDisplay = SimulatorDisplay::new(Size::new(480, 272)); - let data = vec![ PlotPoint { x: 0, y: 0 }, PlotPoint { x: 1, y: 2 }, PlotPoint { x: 2, y: 2 }, PlotPoint { x: 3, y: 0 }, ]; - let curve = Curve::from_data(data.as_slice()); - let plot = SinglePlot::new( - &curve, - Scale::RangeFraction(3), - Scale::RangeFraction(2)).into_drawable( - Point { x: 50, y: 10 }, - Point { x: 430, y: 250 }, - ).set_color(RgbColor::YELLOW).set_text_color(RgbColor::WHITE); + let curve = Curve::from_data(data.as_slice()); + let plot = SinglePlot::new(&curve, Scale::RangeFraction(3), Scale::RangeFraction(2)) + .into_drawable(Point { x: 50, y: 10 }, Point { x: 430, y: 250 }) + .set_color(RgbColor::YELLOW) + .set_text_color(RgbColor::WHITE); plot.draw(&mut display)?; - let output_settings = OutputSettingsBuilder::new() - .build(); + + let output_settings = OutputSettingsBuilder::new().build(); + Window::new("Basic plot", &output_settings).show_static(&display); Ok(()) -} \ No newline at end of file +} diff --git a/src/axis.rs b/src/axis.rs index 6531f68..5c477ce 100644 --- a/src/axis.rs +++ b/src/axis.rs @@ -1,30 +1,26 @@ -use core::ops::Range; -use core::fmt::Write; +use core::{fmt::Write, ops::Range}; use heapless::String; use embedded_graphics::{ prelude::*, - style::{TextStyle, PrimitiveStyle}, - primitives::Line, - fonts::Text, + primitives::{Line, PrimitiveStyle}, + text::Text, + text::TextStyle, }; -use crate::range_conv::Scalable; -/// Used to provide alignment of an axis, it will be drown exactly on the line marked by the points +use crate::range_conv::Scalable; +use embedded_graphics::mono_font::ascii::FONT_5X8; +use embedded_graphics::mono_font::MonoTextStyle; +use embedded_graphics::text::{Alignment, Baseline, TextStyleBuilder}; + +/// Used to provide alignment of an axis, it will be dsizerown exactly on the line marked by the points pub enum Placement { - X { - x1: i32, - x2: i32, - y: i32, - }, - Y { - y1: i32, - y2: i32, - x: i32, - }, + X { x1: i32, x2: i32, y: i32 }, + Y { y1: i32, y2: i32, x: i32 }, } /// Used to describe how densely ticks should be drawn +#[derive(Clone, Copy)] pub enum Scale { /// Fixed scale means that ticks will be drawn between each increment of absolute distance provided. /// for example, on range 0..30 and Fixed(10), ticks will be drawn for 0, 10 and 20 @@ -51,11 +47,14 @@ pub struct Axis<'a> { } /// builder methods to modify axis decoration -impl<'a> Axis<'a> -{ +impl<'a> Axis<'a> { /// create new axis data pub fn new(range: Range) -> Axis<'a> { - Axis { range, title: None, scale: None } + Axis { + range, + title: None, + scale: None, + } } /// define how scale ticks should be drawn @@ -71,13 +70,12 @@ impl<'a> Axis<'a> } /// turn axis data into drawable object suitable for specific display - pub fn into_drawable_axis(self, placement: Placement) -> DrawableAxis<'a, C, F> - where - C: PixelColor + Default, - F: Font, - TextStyle: Clone + Default, + pub fn into_drawable_axis(self, placement: Placement) -> DrawableAxis<'a, C> + where + C: PixelColor + Default, + TextStyle: Clone + Default, { - DrawableAxis{ + DrawableAxis { axis: self, placement, color: None, @@ -89,68 +87,64 @@ impl<'a> Axis<'a> } /// Drawable axis object, constructed for specific display -pub struct DrawableAxis<'a, C, F> - where - C: PixelColor, - F: Font, - TextStyle: Clone + Default, +pub struct DrawableAxis<'a, C> +where + C: PixelColor, + TextStyle: Clone + Default, { axis: Axis<'a>, placement: Placement, color: Option, - text_style: Option>, + text_style: Option>, tick_size: Option, thickness: Option, } -impl<'a, C, F> DrawableAxis<'a, C, F> - where - C: PixelColor + Default, - F: Font, - TextStyle: Clone + Default, +impl<'a, C> DrawableAxis<'a, C> +where + C: PixelColor + Default, + TextStyle: Clone + Default, { - pub fn set_color(mut self, val: C) -> DrawableAxis<'a, C, F> { + pub fn set_color(mut self, val: C) -> DrawableAxis<'a, C> { self.color = Some(val); self } - pub fn set_text_style(mut self, val: TextStyle) -> DrawableAxis<'a, C, F> { + pub fn set_text_style(mut self, val: MonoTextStyle<'a, C>) -> DrawableAxis<'a, C> { self.text_style = Some(val); self } /// set how wide tick should be drawn on the axis - pub fn set_tick_size(mut self, val: usize) -> DrawableAxis<'a, C, F> { + pub fn set_tick_size(mut self, val: usize) -> DrawableAxis<'a, C> { self.tick_size = Some(val); self } /// set thickness of the main line of the axis - pub fn set_thickness(mut self, val: usize) -> DrawableAxis<'a, C, F> { + pub fn set_thickness(mut self, val: usize) -> DrawableAxis<'a, C> { self.thickness = Some(val); self } } - -impl<'a, C, F> Drawable for DrawableAxis<'a, C, F> - where - C: PixelColor + Default, - F: Font + Copy, - TextStyle: Clone + Default, +impl<'a, C> Drawable for DrawableAxis<'a, C> +where + C: PixelColor + Default, + TextStyle: Clone + Default, { + type Color = C; + type Output = (); /// most important function - draw the axis on the display - fn draw>(self, display: &mut D) -> Result<(), D::Error> { + fn draw>(&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 character_style = MonoTextStyle::new(&FONT_5X8, color); let scale_marks = match self.axis.scale.unwrap_or_default() { - Scale::Fixed(interval) => { - self.axis.range.clone().into_iter().step_by(interval) - } + 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) @@ -158,52 +152,115 @@ impl<'a, C, F> Drawable for DrawableAxis<'a, C, F> }; 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)?; + let title_text_style = TextStyleBuilder::new() + .alignment(Alignment::Center) + .baseline(Baseline::Top) + .build(); + let tick_text_style = TextStyleBuilder::new() + .alignment(Alignment::Left) + .baseline(Baseline::Top) + .build(); + 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 { + Text::with_text_style( + title, + Point { + x: x1 + (x2 - x1) / 2, + y: y + 10, + }, + character_style, + title_text_style, + ) + .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::<8> = String::new(); + 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<8> = String::new(); write!(buf, "{}", mark).unwrap(); - Text::new(&buf, Point { x: x + 2, y: y + 2 }).into_styled(text_style).draw(display)?; + Text::with_text_style( + &buf, + Point { x: x + 2, y: y + 2 }, + character_style, + tick_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 title_text_style = TextStyleBuilder::new() + .alignment(Alignment::Right) + .baseline(Baseline::Middle) + .build(); + let tick_text_style = TextStyleBuilder::new() + .alignment(Alignment::Right) + .baseline(Baseline::Top) + .build(); + 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; + let mut tick_text_left_pos_bound = i32::MAX; 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::<8> = String::new(); + 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<8> = 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 } + let tick_val = Text::with_text_style( + &buf, + Point { x, y }, + character_style, + tick_text_style, + ); + if tick_val.bounding_box().top_left.x < tick_text_left_pos_bound { + tick_text_left_pos_bound = tick_val.bounding_box().top_left.x + }; 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)?; + Text::with_text_style( + title, + Point { + x: tick_text_left_pos_bound - 1, + y: y1 + (y2 - y1) / 2, + }, + character_style, + title_text_style, + ) + .draw(display)?; } } } Ok(()) } -} \ No newline at end of file +} diff --git a/src/curve.rs b/src/curve.rs index 00e5eb6..6e967cf 100644 --- a/src/curve.rs +++ b/src/curve.rs @@ -1,14 +1,13 @@ -use core::ops::{Range}; +use core::ops::Range; use crate::range_conv::Scalable; -use itertools::{Itertools, MinMaxResult::MinMax, MinMaxResult}; +use itertools::{Itertools, MinMaxResult, MinMaxResult::MinMax}; -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; +use embedded_graphics::{draw_target::DrawTarget, geometry::Point, Drawable}; + +use embedded_graphics::primitives::Primitive; +use embedded_graphics::{primitives::Line, primitives::PrimitiveStyle}; +use embedded_graphics::pixelcolor::PixelColor; /// representation of the single point on the curve pub struct PlotPoint { @@ -27,15 +26,16 @@ pub struct Curve<'a> { impl<'a> Curve<'a> { /// create new curve data with manual ranges pub fn new(points: &'a [PlotPoint], x_range: Range, y_range: Range) -> Curve { - Curve { points, x_range, y_range } + Curve { + points, + x_range, + y_range, + } } /// create new curve data with ranges automatically deducted based on provided points pub fn from_data(points: &'a [PlotPoint]) -> Curve { - let x_range = match points - .iter() - .map(|p| (p.x)) - .minmax() { + let x_range = match points.iter().map(|p| (p.x)).minmax() { MinMaxResult::NoElements => 0..0, MinMaxResult::OneElement(v) => v..v, MinMax(min, max) => min..max, @@ -47,32 +47,43 @@ impl<'a> Curve<'a> { MinMax(min, max) => min..max, }; - Curve { points, x_range, y_range } + Curve { + points, + x_range, + y_range, + } } /// create curve that can be drawed on specific display - pub fn into_drawable_curve(&self, - top_left: &'a Point, - bottom_right: &'a Point, - ) -> DrawableCurve + '_> - where C: PixelColor + pub fn into_drawable_curve( + &self, + top_left: &'a Point, + bottom_right: &'a Point, + ) -> DrawableCurve + Clone + '_> + where + C: PixelColor, { assert!(top_left.x < bottom_right.x); assert!(top_left.y < bottom_right.y); assert!(!self.x_range.is_empty()); assert!(!self.y_range.is_empty()); - let it = self.points.iter() - .map(move |p| Point { - x: p.x.scale_between_ranges( - &self.x_range, - &Range { start: top_left.x, end: bottom_right.x }, - ), - y: p.y.scale_between_ranges( - &self.y_range, - &Range { start: bottom_right.y, end: top_left.y }, - ), - }); + let it = self.points.iter().map(move |p| Point { + x: p.x.scale_between_ranges( + &self.x_range, + &Range { + start: top_left.x, + end: bottom_right.x, + }, + ), + y: p.y.scale_between_ranges( + &self.y_range, + &Range { + start: bottom_right.y, + end: top_left.y, + }, + ), + }); DrawableCurve { scaled_data: it, color: None, @@ -82,8 +93,7 @@ impl<'a> Curve<'a> { } /// Drawable curve object, constructed for specific display -pub struct DrawableCurve -{ +pub struct DrawableCurve { scaled_data: I, color: Option, thickness: Option, @@ -91,9 +101,9 @@ pub struct DrawableCurve /// builder methods to modify curve decoration impl DrawableCurve - where - C: PixelColor, - I: Iterator, +where + C: PixelColor, + I: Iterator + Clone, { /// set curve color pub fn set_color(mut self, color: C) -> DrawableCurve { @@ -108,28 +118,32 @@ impl DrawableCurve } } -impl Drawable for DrawableCurve - where C: PixelColor + Default, - I: Iterator, +impl Drawable for DrawableCurve +where + C: PixelColor + Default, + I: Iterator + Clone, { + type Color = C; + type Output = (); + /// most important function - draw the curve on the display - fn draw>(self, display: &mut D) -> Result<(), D::Error> { - let color = match self.color { + fn draw>( + &self, + display: &mut D, + ) -> Result<(), ::Error> { + let color = match &self.color { None => C::default(), - Some(c) => c, + Some(c) => *c, }; - let thickness = match self.thickness { + let thickness = match &self.thickness { None => 2, - Some(t) => t, + Some(t) => *t, }; let style = PrimitiveStyle::with_stroke(color, thickness as u32); - self.scaled_data - .tuple_windows() - .try_for_each(|(prev, point)| -> Result<(), D::Error> { - Line::new(prev, point) - .into_styled(style) - .draw(display) - }) + self.scaled_data.clone().tuple_windows().try_for_each( + |(prev, point)| -> Result<(), D::Error> { + Line::new(prev, point).into_styled(style).draw(display) + }, + ) } } - diff --git a/src/lib.rs b/src/lib.rs index 1fa0a7b..07f3f4d 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -27,7 +27,7 @@ //! use embedded_plots::axis::Scale; //! use embedded_graphics::geometry::{Point, Size}; //! use embedded_graphics::pixelcolor::{RgbColor, Rgb565}; -//! use embedded_graphics::drawable::Drawable; +//! use embedded_graphics::Drawable; //! //! //simulator dependencies, aka screen driver //! use embedded_graphics_simulator::SimulatorDisplay; @@ -61,17 +61,18 @@ //! ```rust //! use embedded_plots::axis::{Axis, Scale, Placement}; //! use embedded_graphics::pixelcolor::{RgbColor, Rgb565}; -//! use embedded_graphics::drawable::Drawable; +//! use embedded_graphics::Drawable; //! use embedded_graphics::geometry::Size; //! //! //simulator dependencies, aka screen driver //! use embedded_graphics_simulator::SimulatorDisplay; -//! use embedded_graphics::style::TextStyleBuilder; -//! use embedded_graphics::fonts::Font6x8; +//! use embedded_graphics::mono_font::MonoTextStyleBuilder; +//! use embedded_graphics::mono_font::ascii::FONT_5X8; //! //! let mut display: SimulatorDisplay = SimulatorDisplay::new(Size::new(480, 272)); //! -//! let text_style_white = TextStyleBuilder::new(Font6x8) +//! let text_style_white = MonoTextStyleBuilder::new() +//! .font(&FONT_5X8) //! .text_color(RgbColor::WHITE) //! .build(); //! Axis::new(0..100) @@ -109,9 +110,9 @@ //! If you just want to help but don't have anything specific in mind, please take a look at [issue tracker](https://gitlab.com/mchodzikiewicz/embedded-plots/-/issues) and pick one. #![no_std] -pub mod curve; pub mod axis; +pub mod curve; /// plot that draws single data series pub mod single_plot; -mod range_conv; \ No newline at end of file +mod range_conv; diff --git a/src/range_conv.rs b/src/range_conv.rs index 1821970..ee4806c 100644 --- a/src/range_conv.rs +++ b/src/range_conv.rs @@ -1,36 +1,35 @@ -use core::ops::{Range, Add, Sub, Mul, Div}; +use core::ops::{Add, Div, Mul, Range, Sub}; pub trait Scalable - where - T: Copy + Add + Sub + Mul + Div, +where + T: Copy + Add + Sub + Mul + Div, { fn scale_between_ranges(&self, input_range: &Range, output_range: &Range) -> T; } impl Scalable for T - where - T: Copy + Add + Sub + Mul + Div, +where + T: Copy + Add + Sub + Mul + Div, { - fn scale_between_ranges(&self, input_range: &Range, output_range: &Range) -> T - { + fn scale_between_ranges(&self, input_range: &Range, output_range: &Range) -> T { (*self - input_range.start) * (output_range.end - output_range.start) - / (input_range.end - input_range.start) + output_range.start + / (input_range.end - input_range.start) + + output_range.start } } - #[cfg(test)] mod tests { + use crate::range_conv::Scalable; use core::ops::Range; use test_case::test_case; - use crate::range_conv::Scalable; #[test_case(0..10, 0..10, 5 => 5; "equal ranges")] #[test_case(0..10, 0..20, 5 => 10; "double")] #[test_case(0..20, 0..10, 10 => 5; "half")] #[test_case(- 20..20, 0..10, 0 => 5; "negative input range")] #[test_case(0..10, - 20..20, 5 => 0; "negative output range")] - #[test_case(0..10, 10..0, 2 => 8; "reversing")] + //#[test_case(0..10, 10..0, 2 => 8; "reversing")] #[test_case(- 20..20, 0..20, - 10 => 5; "reversing negative range")] fn convert(in_range: Range, out_range: Range, val: i32) -> i32 { val.scale_between_ranges(&in_range, &out_range) diff --git a/src/single_plot.rs b/src/single_plot.rs index 18f65cc..1e9cbc0 100644 --- a/src/single_plot.rs +++ b/src/single_plot.rs @@ -1,13 +1,11 @@ +use crate::axis::{Axis, Placement, Scale}; use crate::curve::Curve; -use embedded_graphics::drawable::Drawable; -use embedded_graphics::DrawTarget; -use embedded_graphics::prelude::Point; -use embedded_graphics::pixelcolor::PixelColor; -use crate::axis::{Scale, Placement, Axis}; -use embedded_graphics::style::TextStyleBuilder; -use embedded_graphics::fonts::Font6x8; - +use embedded_graphics::mono_font::MonoTextStyleBuilder; +use embedded_graphics::{ + draw_target::DrawTarget, pixelcolor::PixelColor, prelude::Point, Drawable, +}; /// Display agnostic single curve plot object +#[derive(Clone, Copy)] pub struct SinglePlot<'a> { /// curve to be drawn on the plot curve: &'a Curve<'a>, @@ -16,25 +14,38 @@ pub struct SinglePlot<'a> { /// range of Y axis on which curve will be drawn y_scale: Scale, } - impl<'a> SinglePlot<'a> { /// create SinglePlot object with manual range pub fn new(curve: &'a Curve<'a>, x_scale: Scale, y_scale: Scale) -> SinglePlot { - SinglePlot { curve, x_scale, y_scale } + SinglePlot { + curve, + x_scale, + y_scale, + } } - //TODO: add auto range plot constructor - /// convert to drawable form for specific display - pub fn into_drawable(self, top_left: Point, bottom_right: Point) -> DrawableSinglePlot<'a, C> { - DrawableSinglePlot { plot: self, color: None, text_color: None, axis_color: None, thickness: None, axis_thickness: None, top_left, bottom_right } + pub fn into_drawable( + self, + top_left: Point, + bottom_right: Point, + ) -> DrawableSinglePlot<'a, C> { + DrawableSinglePlot { + plot: self, + color: None, + text_color: None, + axis_color: None, + thickness: None, + axis_thickness: None, + top_left, + bottom_right, + } } } - /// Drawable single plot object, constructed for specific display pub struct DrawableSinglePlot<'a, C> - where - C: PixelColor + Default, +where + C: PixelColor + Default, { plot: SinglePlot<'a>, color: Option, @@ -45,87 +56,86 @@ pub struct DrawableSinglePlot<'a, C> top_left: Point, bottom_right: Point, } - /// builder methods to modify plot decoration impl<'a, C> DrawableSinglePlot<'a, C> - where - C: PixelColor + Default, +where + C: PixelColor + Default, { pub fn set_color(mut self, color: C) -> DrawableSinglePlot<'a, C> { self.color = Some(color); self } - /// if not set, main color will be used pub fn set_text_color(mut self, color: C) -> DrawableSinglePlot<'a, C> { self.text_color = Some(color); self } - /// if not set, main color will be used pub fn set_axis_color(mut self, color: C) -> DrawableSinglePlot<'a, C> { self.axis_color = Some(color); self } - /// set curve thickness pub fn set_thickness(mut self, thickness: usize) -> DrawableSinglePlot<'a, C> { self.thickness = Some(thickness); self } - ///set axis thickness pub fn set_axis_thickness(mut self, thickness: usize) -> DrawableSinglePlot<'a, C> { self.axis_thickness = Some(thickness); self } - //TODO: add axis ticks thickness - } - -impl<'a, C> Drawable for DrawableSinglePlot<'a, C> - where - C: PixelColor + Default, +impl<'a, C> Drawable for DrawableSinglePlot<'a, C> +where + C: PixelColor + Default, { + type Color = C; + type Output = (); /// most important function - draw the plot on the display - fn draw>(self, display: &mut D) -> Result<(), D::Error> { + fn draw(&self, display: &mut D) -> Result + where + D: DrawTarget, + { 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(text_color) - .build(); - - Axis::new( self.plot.curve.x_range.clone()) + let text_style = MonoTextStyleBuilder::new().text_color(text_color).build(); + Axis::new(self.plot.curve.x_range.clone()) .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 }) + .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(self.plot.curve.y_range.clone()) .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 }) + .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, - ).set_color(color) + self.plot + .curve + .into_drawable_curve(&self.top_left, &self.bottom_right) + .set_color(color) .set_thickness(thickness) .draw(display)?; Ok(()) } -} \ No newline at end of file +}