geello 0.2.0

A tool to render geo data
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158

pub mod point_renderer;

pub use point_renderer::*;
pub mod line_renderer;
pub use line_renderer::*;
pub mod area_renderer;
pub use area_renderer::*;

use geo::Rect;
use vello::{Scene, kurbo::Affine};

use crate::{MagicConverter, MagicFetcher, MagicValue, rendered_geometry::RenderedGeometry};

#[derive(Debug, Clone, Default, serde::Serialize, serde::Deserialize)]
pub enum GeometryRenderer {
    #[default]
    None,
    Point(
        #[serde(default)] MagicValue<RenderedGeometryFilter>,
        #[serde(default)] MagicValue<PointRenderer>,
    ),
    Line(
        #[serde(default)] MagicValue<RenderedGeometryFilter>,
        #[serde(default)] MagicValue<LineRenderer>,
    ),
    Area(
        #[serde(default)] MagicValue<RenderedGeometryFilter>,
        #[serde(default)] MagicValue<AreaRenderer>,
    ),
}

impl MagicFetcher for GeometryRenderer {
    fn fetch(&mut self) -> Result<(), String> {
        match self {
            GeometryRenderer::None => {}
            GeometryRenderer::Point(filter, renderer) => {
                filter.fetch()?;
                renderer.fetch()?;
            }
            GeometryRenderer::Line(filter, renderer) => {
                filter.fetch()?;
                renderer.fetch()?;
            }
            GeometryRenderer::Area(filter, renderer) => {
                filter.fetch()?;
                renderer.fetch()?;
            }
        };
        Ok(())
    }
}

impl MagicConverter for GeometryRenderer {
    fn convert(
        &mut self,
        props: &std::collections::HashMap<String, crate::PropValue>,
    ) -> Result<(), String> {
        match self {
            GeometryRenderer::None => {}
            GeometryRenderer::Point(filter, renderer) => {
                filter.convert(props)?;
                renderer.convert(props)?;
            }
            GeometryRenderer::Line(filter, renderer) => {
                filter.convert(props)?;
                renderer.convert(props)?;
            }
            GeometryRenderer::Area(filter, renderer) => {
                filter.convert(props)?;
                renderer.convert(props)?;
            }
        };
        Ok(())
    }
}

impl GeometryRenderer {
    pub fn draw(
        &mut self,
        scene: &mut Scene,
        transform: Affine,
        rendered_geometrys: &mut Vec<RenderedGeometry>,
        render_rect: Option<Rect>,
    ) -> Result<(), String> {
        match self {
            GeometryRenderer::None => {}
            GeometryRenderer::Point(filter, renderer) => {
                let filter = filter.as_ref();
                for rendered_geometry in rendered_geometrys {
                    if rendered_geometry.fit_filter(filter) {
                        let props = rendered_geometry.props();
                        renderer.convert(props)?;
                        let renderer = renderer.as_ref();
                        let true_render_rect = if renderer.must_show.inner_try_into()? {
                            render_rect
                        } else {
                            None
                        };
                        if let Some(point) = rendered_geometry.center_point(true_render_rect) {
                            renderer.draw(scene, transform, point)?;
                        }
                    }
                }
            }
            GeometryRenderer::Line(filter, renderer) => {
                let filter = filter.as_ref();
                for rendered_geometry in rendered_geometrys {
                    if rendered_geometry.fit_filter(filter) {
                        let props = rendered_geometry.props();
                        renderer.convert(props)?;
                        let renderer = renderer.as_mut();
                        let lines = rendered_geometry.lines();
                        if lines.is_some() {
                            let lines = lines.unwrap();
                            renderer.draw_multi(scene, transform, lines)?;
                        }
                    }
                }
            }
            GeometryRenderer::Area(filter, renderer) => {
                let filter = filter.as_ref();
                for rendered_geometry in rendered_geometrys {
                    if rendered_geometry.fit_filter(filter) {
                        let props = rendered_geometry.props();
                        renderer.convert(props)?;
                        let renderer = renderer.as_mut();
                        if let Some(areas) = rendered_geometry.areas() {
                            renderer.draw_multi(scene, transform, areas)?;
                        }
                    }
                }
            }
        };
        Ok(())
    }
}

#[derive(Debug, Clone, Default, serde::Serialize, serde::Deserialize)]
pub enum RenderedGeometryFilter {
    #[default]
    None,
    Layer(String),
}

impl MagicFetcher for RenderedGeometryFilter {
    fn fetch(&mut self) -> Result<(), String> {
        Ok(())
    }
}

impl MagicConverter for RenderedGeometryFilter {
    fn convert(
        &mut self,
        _: &std::collections::HashMap<String, crate::PropValue>,
    ) -> Result<(), String> {
        Ok(())
    }
}