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Commitc0db71d

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committed
get the image backend started
1 parent7274a99 commitc0db71d

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2 files changed

+157
-2
lines changed

2 files changed

+157
-2
lines changed

‎src/draw_image.rs

Lines changed: 150 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,150 @@
1+
use image::{self,ImageBuffer};
2+
use draw::*;
3+
4+
5+
pubstructDrawImage{
6+
context:ImageBuffer,
7+
screenspace:Range2d,
8+
realspace:Range2d,
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color:[u8;4],
10+
}
11+
#![allow(dead_code)]
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#![allow(unused_variables)]
13+
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implDrawImage{
15+
pubfnnew(sdlh:Sdl2Mt) ->Box<DrawSDL>{
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let window_id = sdlh.create_simple_window("2D plot",720,720).unwrap();
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let default_s =Range{min:0.0,max:0.0};
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let default_r =Range{
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min:0.0,
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max:720.0,
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};
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Box::new(DrawSDL{
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sdlh,
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window_id,
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screenspace:Range2d(default_s, default_s),
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realspace:Range2d(default_r, default_r),
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color: pixels::Color::RGBA(0,0,0,255),
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})
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}
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}
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implDrawableforDrawImage{
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/// Sets the visible range of worldspace
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fnset_view(&mutself,view:Range2d){
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self.screenspace = view;
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}
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/// Gets the visible range of worldspace
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fnget_view(&self) ->Range2d{
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self.screenspace
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}
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/// Set color for various drawing actions
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fnset_color(&mutself,color:[u8;4]){
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self.color = pixels::Color::RGBA(color[0], color[1], color[2], color[3]);
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}
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/// Clears the output surface
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fnclear(&mutself){
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let color =self.color;
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// self.sdlh
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// .run_on_ui_thread(Box::new(move |_sdl, windows| {
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// let canvas = windows.get_mut(&window_id).unwrap();
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// canvas.set_draw_color(color);
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// canvas.clear();
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// }))
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// .unwrap();
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}
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/// Draws a line from (x, y) -> (x, y) in worldspace
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fnline(&mutself,p1:(f64,f64),p2:(f64,f64)){
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self.thick_line(p1, p2,1);
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}
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/// Draws a line from (x, y) -> (x, y) in worldspace
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fnthick_line(&mutself,(x1, y1):(f64,f64),(x2, y2):(f64,f64),thickness:u16){
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let x1 =point2window(x1,self.screenspace.0,self.realspace.0,false);
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let y1 =point2window(y1,self.screenspace.1,self.realspace.1,true);
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let x2 =point2window(x2,self.screenspace.0,self.realspace.0,false);
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let y2 =point2window(y2,self.screenspace.1,self.realspace.1,true);
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let color =self.color;
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// self.sdlh
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// .run_on_ui_thread(Box::new(move |_sdl, windows| {
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// let canvas = windows.get_mut(&window_id).unwrap();
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// canvas.set_draw_color(color);
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// canvas
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// .draw_line((x1 as i32, y1 as i32), (x2 as i32, y2 as i32))
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// .unwrap();
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// }))
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// .unwrap();
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}
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/// Draws a rectangle bounded by two corners
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fnrectangle(&mutself,(x1, y1):(f64,f64),(x2, y2):(f64,f64)){
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let x1 =point2window(x1,self.screenspace.0,self.realspace.0,false);
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let y1 =point2window(y1,self.screenspace.1,self.realspace.1,false);
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let x2 =point2window(x2,self.screenspace.0,self.realspace.0,false);
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let y2 =point2window(y2,self.screenspace.1,self.realspace.1,false);
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let x1 = x1asi32;
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let y1 = y1asi32;
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let w =(x2asi32 - x1)asu32;
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let h =(y2asi32 - y1)asu32;
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let color =self.color;
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// self.sdlh
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// .run_on_ui_thread(Box::new(move |_sdl, windows| {
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// let canvas = windows.get_mut(&window_id).unwrap();
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// canvas.set_draw_color(color);
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// canvas.fill_rect(Rect::new(x1, y1, w, h)).unwrap();
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// }))
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// .unwrap();
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}
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/// Draws a rectangle bounded by two corners
114+
fnunfilled_rectangle(&mutself,(x1, y1):(f64,f64),(x2, y2):(f64,f64)){
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let x1 =point2window(x1,self.screenspace.0,self.realspace.0,false);
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let y1 =point2window(y1,self.screenspace.1,self.realspace.1,false);
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let x2 =point2window(x2,self.screenspace.0,self.realspace.0,false);
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let y2 =point2window(y2,self.screenspace.1,self.realspace.1,false);
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let x1 = x1asi32;
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let y1 = y1asi32;
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let w =(x2asi32 - x1)asu32;
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let h =(y2asi32 - y1)asu32;
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let color =self.color;
128+
// self.sdlh
129+
// .run_on_ui_thread(Box::new(move |_sdl, windows| {
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// let canvas = windows.get_mut(&window_id).unwrap();
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// canvas.set_draw_color(color);
132+
// canvas.draw_rect(Rect::new(x1, y1, w, h)).unwrap();
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// }))
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// .unwrap();
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}
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fnpresent(&mutself){
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// self.sdlh
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// .run_on_ui_thread(Box::new(move |_sdl, windows| {
140+
// let canvas = windows.get_mut(&window_id).unwrap();
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// canvas.present();
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// }))
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// .unwrap();
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}
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/// Returns the next pending event
147+
fnget_events(&mutself) ->Vec<Event>{
148+
vec![Event::Quit]
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}
150+
}

‎src/lib.rs

Lines changed: 7 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -7,6 +7,7 @@
77
//! use dataplotlib::util::{linspace, zip2};
88
//! use dataplotlib::plotbuilder::PlotBuilder2D;
99
//! use dataplotlib::plotter::Plotter;
10+
//! use dataplotlib::draw_sdl::DrawSDL;
1011
//!
1112
//! fn main() {
1213
//! let x = linspace(0, 10, 100);
@@ -23,9 +24,11 @@
2324
//! pb.add_color_xy(xy_sin, [1.0, 0.0, 0.0, 1.0]);
2425
//! pb.add_color_xy(xy_lin, [0.0, 0.0, 1.0, 1.0]);
2526
//!
27+
//! let sdlh = dataplotlib::sdl2_init();
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//! let sdl2_window = DrawSDL::new(sdlh);
29+
//!
2630
//! let mut plt = Plotter::new();
27-
//! plt.plot2d(pb);
28-
//! plt.join();
31+
//! plt.plot2d(pb, sdl2_window);
2932
//! }
3033
//! ```
3134
@@ -38,6 +41,8 @@ pub mod draw_sdl;
3841

3942
#[cfg(feature ="use-image")]
4043
externcrate image;
44+
#[cfg(feature ="use-image")]
45+
pubmod draw_image;
4146

4247
pubmod draw;
4348
mod plot;

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