mirror of https://github.com/sgoudham/neovide.git
refactor grid_renderer out of renderer and clean up window draw command handling
Keith Simmons
3 years ago
parent
c52a6e356a
commit
3bba418c1c
@ -0,0 +1,185 @@
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use std::sync::Arc;
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use glutin::dpi::PhysicalSize;
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use log::trace;
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use skia_safe::{colors, dash_path_effect, BlendMode, Canvas, Color, Paint, Rect, HSV};
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use super::{CachingShaper, RendererSettings};
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use crate::editor::{Colors, Style};
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use crate::settings::*;
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use crate::utils::Dimensions;
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pub struct GridRenderer {
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pub shaper: CachingShaper,
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pub paint: Paint,
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pub default_style: Arc<Style>,
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pub font_dimensions: Dimensions,
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pub scale_factor: f64,
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pub is_ready: bool,
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}
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impl GridRenderer {
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pub fn new(scale_factor: f64) -> Self {
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let mut shaper = CachingShaper::new(scale_factor as f32);
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let mut paint = Paint::new(colors::WHITE, None);
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paint.set_anti_alias(false);
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let default_style = Arc::new(Style::new(Colors::new(
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Some(colors::WHITE),
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Some(colors::BLACK),
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Some(colors::GREY),
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)));
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let font_dimensions: Dimensions = shaper.font_base_dimensions().into();
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GridRenderer {
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shaper,
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paint,
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default_style,
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font_dimensions,
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scale_factor,
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is_ready: false,
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}
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}
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/// Convert PhysicalSize to grid size
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pub fn convert_physical_to_grid(&self, physical: PhysicalSize<u32>) -> Dimensions {
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Dimensions::from(physical) / self.font_dimensions
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}
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/// Convert grid size to PhysicalSize
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pub fn convert_grid_to_physical(&self, grid: Dimensions) -> PhysicalSize<u32> {
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(grid * self.font_dimensions).into()
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}
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pub fn handle_scale_factor_update(&mut self, scale_factor: f64) {
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self.shaper.update_scale_factor(scale_factor as f32);
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self.update_font_dimensions();
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}
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pub fn update_font(&mut self, guifont_setting: &str) {
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self.shaper.update_font(guifont_setting);
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self.update_font_dimensions();
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}
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fn update_font_dimensions(&mut self) {
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self.font_dimensions = self.shaper.font_base_dimensions().into();
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self.is_ready = true;
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trace!("Updated font dimensions: {:?}", self.font_dimensions,);
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}
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fn compute_text_region(&self, grid_position: (u64, u64), cell_width: u64) -> Rect {
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let (x, y) = grid_position * self.font_dimensions;
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let width = cell_width * self.font_dimensions.width;
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let height = self.font_dimensions.height;
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Rect::new(x as f32, y as f32, (x + width) as f32, (y + height) as f32)
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}
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pub fn get_default_background(&self) -> Color {
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self.default_style.colors.background.unwrap().to_color()
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}
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pub fn draw_background(
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&mut self,
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canvas: &mut Canvas,
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grid_position: (u64, u64),
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cell_width: u64,
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style: &Option<Arc<Style>>,
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) {
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self.paint.set_blend_mode(BlendMode::Src);
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let region = self.compute_text_region(grid_position, cell_width);
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let style = style.as_ref().unwrap_or(&self.default_style);
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if SETTINGS.get::<RendererSettings>().debug_renderer {
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let random_hsv: HSV = (rand::random::<f32>() * 360.0, 0.3, 0.3).into();
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let random_color = random_hsv.to_color(255);
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self.paint.set_color(random_color);
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} else {
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self.paint
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.set_color(style.background(&self.default_style.colors).to_color());
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}
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canvas.draw_rect(region, &self.paint);
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}
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pub fn draw_foreground(
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&mut self,
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canvas: &mut Canvas,
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cells: &[String],
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grid_position: (u64, u64),
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cell_width: u64,
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style: &Option<Arc<Style>>,
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) {
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let (x, y) = grid_position * self.font_dimensions;
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let width = cell_width * self.font_dimensions.width;
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let style = style.as_ref().unwrap_or(&self.default_style);
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canvas.save();
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let region = self.compute_text_region(grid_position, cell_width);
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canvas.clip_rect(region, None, Some(false));
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if style.underline || style.undercurl {
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let line_position = self.shaper.underline_position();
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let stroke_width = self.shaper.current_size() / 10.0;
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self.paint
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.set_color(style.special(&self.default_style.colors).to_color());
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self.paint.set_stroke_width(stroke_width);
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if style.undercurl {
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self.paint.set_path_effect(dash_path_effect::new(
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&[stroke_width * 2.0, stroke_width * 2.0],
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0.0,
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));
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} else {
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self.paint.set_path_effect(None);
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}
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canvas.draw_line(
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(
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x as f32,
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(y - line_position + self.font_dimensions.height) as f32,
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),
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(
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(x + width) as f32,
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(y - line_position + self.font_dimensions.height) as f32,
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),
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&self.paint,
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);
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}
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let y_adjustment = self.shaper.y_adjustment();
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if SETTINGS.get::<RendererSettings>().debug_renderer {
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let random_hsv: HSV = (rand::random::<f32>() * 360.0, 1.0, 1.0).into();
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let random_color = random_hsv.to_color(255);
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self.paint.set_color(random_color);
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} else {
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self.paint
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.set_color(style.foreground(&self.default_style.colors).to_color());
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}
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self.paint.set_anti_alias(false);
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for blob in self
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.shaper
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.shape_cached(cells, style.bold, style.italic)
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.iter()
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{
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canvas.draw_text_blob(blob, (x as f32, (y + y_adjustment) as f32), &self.paint);
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}
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if style.strikethrough {
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let line_position = region.center_y();
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self.paint
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.set_color(style.special(&self.default_style.colors).to_color());
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canvas.draw_line(
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(x as f32, line_position),
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((x + width) as f32, line_position),
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&self.paint,
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);
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}
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canvas.restore();
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}
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}
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