x_graphics/direct2d/
paint.rs

1use windows::Win32::Graphics::{
2    Direct2D::{
3        Common::D2D1_COLOR_F, ID2D1SolidColorBrush, D2D1_CAP_STYLE, D2D1_CAP_STYLE_FLAT, D2D1_CAP_STYLE_ROUND, D2D1_CAP_STYLE_SQUARE, D2D1_LINE_JOIN,
4        D2D1_LINE_JOIN_BEVEL, D2D1_LINE_JOIN_MITER, D2D1_LINE_JOIN_ROUND,
5    },
6    DirectWrite::IDWriteTextFormat,
7};
8
9use crate::{
10    brush::BrushBackend,
11    paint::{Cap, Color, Join, Paint},
12};
13
14#[derive(Clone, Debug, Default)]
15pub(crate) struct PaintCache {
16    text_format: Option<IDWriteTextFormat>,
17    text_brush: Option<ID2D1SolidColorBrush>,
18}
19
20impl PaintCache {
21    pub(crate) fn clear_font(&mut self) {
22        self.text_format = None;
23    }
24}
25
26impl<TBrush: BrushBackend> Paint<TBrush> {
27    pub(super) fn get_text_format(&mut self) -> Option<&IDWriteTextFormat> {
28        self.cache().text_format.as_ref()
29    }
30
31    pub(super) fn set_text_format(&mut self, text_format: IDWriteTextFormat) {
32        self.cache_mut().text_format = Some(text_format);
33    }
34
35    pub(super) fn get_text_brush(&self) -> Option<&ID2D1SolidColorBrush> {
36        self.cache().text_brush.as_ref()
37    }
38
39    pub(super) fn set_text_brush(&mut self, brush: ID2D1SolidColorBrush) {
40        self.cache_mut().text_brush = Some(brush);
41    }
42
43    pub(super) fn clear_text_brush(&mut self) {
44        self.cache_mut().text_brush = None;
45    }
46}
47
48impl From<Cap> for D2D1_CAP_STYLE {
49    fn from(cap: Cap) -> Self {
50        match cap {
51            Cap::Butt => D2D1_CAP_STYLE_FLAT,
52            Cap::Round => D2D1_CAP_STYLE_ROUND,
53            Cap::Square => D2D1_CAP_STYLE_SQUARE,
54        }
55    }
56}
57
58impl From<Join> for D2D1_LINE_JOIN {
59    fn from(join: Join) -> Self {
60        match join {
61            Join::Miter => D2D1_LINE_JOIN_MITER,
62            Join::Round => D2D1_LINE_JOIN_ROUND,
63            Join::Bevel => D2D1_LINE_JOIN_BEVEL,
64        }
65    }
66}
67
68impl From<Color> for D2D1_COLOR_F {
69    fn from(color: Color) -> Self {
70        let (r, g, b, a) = color.get_float_value();
71        D2D1_COLOR_F {
72            r,
73            g,
74            b,
75            a,
76        }
77    }
78}
x_graphics/direct2d/paint.rs

x_graphics/direct2d/
paint.rs
