Function fltk::draw::set_draw_color

source · 
pub fn set_draw_color(color: Color)
Expand description

Sets the drawing color

Examples found in repository?
examples/table.rs (line 56)
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

fn draw_header(txt: &str, x: i32, y: i32, w: i32, h: i32) {
    draw::push_clip(x, y, w, h);
    draw::draw_box(
        enums::FrameType::ThinUpBox,
        x,
        y,
        w,
        h,
        enums::Color::FrameDefault,
    );
    draw::set_draw_color(enums::Color::Black);
    draw::set_font(enums::Font::Helvetica, 14);
    draw::draw_text2(txt, x, y, w, h, enums::Align::Center);
    draw::pop_clip();
}

// The selected flag sets the color of the cell to a grayish color, otherwise white
fn draw_data(txt: &str, x: i32, y: i32, w: i32, h: i32, selected: bool) {
    draw::push_clip(x, y, w, h);
    if selected {
        draw::set_draw_color(enums::Color::from_u32(0x00D3_D3D3));
    } else {
        draw::set_draw_color(enums::Color::White);
    }
    draw::draw_rectf(x, y, w, h);
    draw::set_draw_color(enums::Color::Gray0);
    draw::set_font(enums::Font::Helvetica, 14);
    draw::draw_text2(txt, x, y, w, h, enums::Align::Center);
    draw::draw_rect(x, y, w, h);
    draw::pop_clip();
}
More examples
Hide additional examples
examples/shapedwindow_taskbar.rs (line 122)
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133

fn prep_shape(w: i32, h: i32) -> image::RgbImage {
    let surf = surface::ImageSurface::new(w, h, false);

    surface::ImageSurface::push_current(&surf);

    draw::set_draw_color(enums::Color::Black);
    draw::draw_rectf(-1, -1, w + 2, h + 2);

    draw::set_draw_color(enums::Color::White);
    draw::draw_rounded_rectf(0, 0, w, h, 16);

    let img = surf.image().unwrap();

    surface::ImageSurface::pop_current();

    img
}
examples/spreadsheet.rs (line 122)
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

    fn draw_header(txt: &str, x: i32, y: i32, w: i32, h: i32) {
        draw::push_clip(x, y, w, h);
        draw::draw_box(
            enums::FrameType::ThinUpBox,
            x,
            y,
            w,
            h,
            enums::Color::FrameDefault,
        );
        draw::set_draw_color(enums::Color::Black);
        draw::set_font(enums::Font::Helvetica, 14);
        draw::draw_text2(txt, x, y, w, h, enums::Align::Center);
        draw::pop_clip();
    }

    // The selected flag sets the color of the cell to a grayish color, otherwise white
    fn draw_data(txt: &str, x: i32, y: i32, w: i32, h: i32, selected: bool) {
        draw::push_clip(x, y, w, h);
        if selected {
            draw::set_draw_color(enums::Color::from_u32(0x00D3_D3D3));
        } else {
            draw::set_draw_color(enums::Color::White);
        }
        draw::draw_rectf(x, y, w, h);
        draw::set_draw_color(enums::Color::Gray0);
        draw::set_font(enums::Font::Helvetica, 14);
        draw::draw_text2(txt, x, y, w, h, enums::Align::Center);
        draw::draw_rect(x, y, w, h);
        draw::pop_clip();
    }
examples/gradients.rs (line 19)
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

fn create_vertical_gradient_frame(
    x: i32,
    y: i32,
    w: i32,
    h: i32,
    col1: Color,
    col2: Color,
) -> frame::Frame {
    let mut frame = frame::Frame::new(x, y, w, h, "Vertical");
    frame.draw(move |f| {
        let imax = f.h();
        let d = if imax > 0 { imax } else { 1 };
        for i in 0..=imax {
            let w = 1.0 - i as f32 / d as f32;
            set_draw_color(Color::inactive(&Color::color_average(col1, col2, w)));
            draw_xyline(f.x(), f.y() + i, f.x() + f.w());
        }
        set_draw_color(Color::Black);
        set_font(Font::Helvetica, app::font_size());
        draw_text2(&f.label(), f.x(), f.y(), f.w(), f.h(), f.align());
    });
    frame
}

fn create_horizontal_gradient_frame(
    x: i32,
    y: i32,
    w: i32,
    h: i32,
    col1: Color,
    col2: Color,
) -> frame::Frame {
    let mut frame = frame::Frame::new(x, y, w, h, "Horizontal");
    frame.draw(move |f| {
        let imax = f.w();
        let d = if imax > 0 { imax } else { 1 };
        for i in 0..=imax {
            let w = 1.0 - i as f32 / d as f32;
            set_draw_color(Color::inactive(&Color::color_average(col1, col2, w)));
            draw_yxline(f.x() + i, f.y(), f.y() + f.h());
        }
        set_draw_color(Color::Black);
        set_font(Font::Helvetica, app::font_size());
        draw_text2(&f.label(), f.x(), f.y(), f.w(), f.h(), f.align());
    });
    frame
}

fn create_horizontal_svg_gradient_frame(
    x: i32,
    y: i32,
    w: i32,
    h: i32,
    col1: Color,
    col2: Color,
) -> frame::Frame {
    let mut frame = frame::Frame::new(x, y, w, h, "Svg");
    frame.draw(move |f| {
        let (r1, g1, b1) = Color::inactive(&col1).to_rgb();
        let (r2, g2, b2) = Color::inactive(&col2).to_rgb();
        let svg = format!(
            "<svg viewBox='0 0 {} {}'>
        <defs>
        <linearGradient id='grad1' x1='0%' y1='0%' x2='0%' y2='100%'>
        <stop offset='0%' style='stop-color:rgb({},{},{});stop-opacity:1' />
        <stop offset='100%' style='stop-color:rgb({},{},{});stop-opacity:1' />
        </linearGradient>
        </defs>
        <rect width='100%' height='100%' fill='url(#grad1)' />
        </svg>",
            f.w(),
            f.h() + 1,
            r1,
            g1,
            b1,
            r2,
            g2,
            b2
        );
        let mut image = image::SvgImage::from_data(&svg).unwrap();
        image.draw(f.x(), f.y(), f.w(), f.h());
        set_draw_color(Color::Black);
        set_font(Font::Helvetica, app::font_size());
        draw_text2(&f.label(), f.x(), f.y(), f.w(), f.h(), f.align());
    });
    frame
}

fn main() {
    let a = app::App::default();
    let mut win = window::Window::default().with_size(300, 300);
    create_vertical_gradient_frame(0, 0, 100, 100, Color::Red, Color::Cyan);
    create_horizontal_gradient_frame(100, 0, 100, 100, Color::Red, Color::Cyan);
    create_horizontal_svg_gradient_frame(200, 0, 100, 100, Color::Red, Color::Cyan);
    win.end();
    win.draw(|w| {
        // vertical gradient
        let imax = w.w();
        let d = if imax > 0 { imax } else { 1 };
        for i in 0..=imax {
            let v = 1.0 - i as f32 / d as f32;
            set_draw_color(Color::color_average(Color::Red, Color::Blue, v));
            draw_yxline(i, 0, w.h());
        }
        w.draw_children();
    });
    win.make_resizable(true);
    win.show();
    a.run().unwrap();
}
examples/custom_dial.rs (line 35)
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

    pub fn new(x: i32, y: i32, w: i32, h: i32, label: &str) -> Self {
        let value = Rc::from(RefCell::from(0));
        let mut main_wid = group::Group::new(x, y, w, h, None)
            .with_label(label)
            .with_align(Align::Top);
        let mut value_frame =
            frame::Frame::new(main_wid.x(), main_wid.y() + 80, main_wid.w(), 40, "0");
        value_frame.set_label_size(26);
        main_wid.end();
        let value_c = value.clone();
        main_wid.draw(move |w| {
            draw::set_draw_rgb_color(230, 230, 230);
            draw::draw_pie(w.x(), w.y(), w.w(), w.h(), 0., 180.);
            draw::set_draw_hex_color(0xb0bf1a);
            draw::draw_pie(
                w.x(),
                w.y(),
                w.w(),
                w.h(),
                (100 - *value_c.borrow()) as f64 * 1.8,
                180.,
            );
            draw::set_draw_color(Color::White);
            draw::draw_pie(
                w.x() - 50 + w.w() / 2,
                w.y() - 50 + w.h() / 2,
                100,
                100,
                0.,
                360.,
            );
            w.draw_children();
        });
        Self {
            main_wid,
            value,
            value_frame,
        }
    }
examples/paint.rs (line 53)
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

    pub fn new(w: i32, h: i32) -> Self {
        let mut frame = Frame::default().with_size(w, h).center_of_parent();
        frame.set_color(Color::White);
        frame.set_frame(FrameType::DownBox);

        let surf = ImageSurface::new(frame.width(), frame.height(), false);
        ImageSurface::push_current(&surf);
        draw_rect_fill(0, 0, w, h, Color::White);
        ImageSurface::pop_current();

        let surf = Rc::from(RefCell::from(surf));

        frame.draw({
            let surf = surf.clone();
            move |f| {
                let surf = surf.borrow();
                let mut img = surf.image().unwrap();
                img.draw(f.x(), f.y(), f.w(), f.h());
            }
        });

        frame.handle({
            let mut x = 0;
            let mut y = 0;
            let surf = surf.clone();
            move |f, ev| {
                // println!("{}", ev);
                // println!("coords {:?}", app::event_coords());
                // println!("get mouse {:?}", app::get_mouse());
                let surf = surf.borrow_mut();
                match ev {
                    Event::Push => {
                        ImageSurface::push_current(&surf);
                        set_draw_color(Color::Red);
                        set_line_style(LineStyle::Solid, 3);
                        let coords = app::event_coords();
                        x = coords.0;
                        y = coords.1;
                        draw_point(x, y);
                        ImageSurface::pop_current();
                        f.redraw();
                        true
                    }
                    Event::Drag => {
                        ImageSurface::push_current(&surf);
                        set_draw_color(Color::Red);
                        set_line_style(LineStyle::Solid, 3);
                        let coords = app::event_coords();
                        draw_line(x, y, coords.0, coords.1);
                        x = coords.0;
                        y = coords.1;
                        ImageSurface::pop_current();
                        f.redraw();
                        true
                    }
                    _ => false,
                }
            }
        });
        Self { frame, surf }
    }
Additional examples can be found in: