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feat(sdl2): Support window resizing

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Former-commit-id: f5e70c8a15b53eb7aded9f630e5c1fb1dce55fba
This commit is contained in:
Michel Heily 2020-01-21 01:11:50 +02:00
parent 6dbc3d5cf0
commit ade03121ee
2 changed files with 12 additions and 26 deletions
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35
src/plat/sdl2/main.rs
View file

@ -26,7 +26,7 @@ mod video;
use audio::create_audio_player;
use input::create_input;
use video::{create_video_interface, SCALE, SCREEN_HEIGHT, SCREEN_WIDTH};
use video::{create_video_interface, SCREEN_HEIGHT, SCREEN_WIDTH};
extern crate rustboyadvance_ng;
use rustboyadvance_ng::prelude::*;
@ -61,21 +61,19 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
let debug = matches.occurrences_of("debug") != 0;
let sdl_context = sdl2::init().expect("failed to initialize sdl2");
let mut event_pump = sdl_context.event_pump().unwrap();
let mut event_pump = sdl_context.event_pump()?;
let video_subsystem = sdl_context.video().unwrap();
let _image_context = sdl2::image::init(InitFlag::PNG | InitFlag::JPG).unwrap();
let video_subsystem = sdl_context.video()?;
let _image_context = sdl2::image::init(InitFlag::PNG | InitFlag::JPG)?;
let window = video_subsystem
.window(
"RustBoyAdvance",
SCREEN_WIDTH * SCALE,
SCREEN_HEIGHT * SCALE,
)
.window("RustBoyAdvance", SCREEN_WIDTH * 3, SCREEN_HEIGHT * 3)
.opengl()
.position_centered()
.build()
.unwrap();
let mut canvas = window.into_canvas().accelerated().build().unwrap();
.resizable()
.build()?;
let mut canvas = window.into_canvas().accelerated().build()?;
canvas.set_logical_size(SCREEN_WIDTH as u32, SCREEN_HEIGHT as u32)?;
// Display the icon as a placeholder
canvas.set_draw_color(Color::RGB(0x40, 0x22, 0x20)); // default background color for the icon
@ -84,18 +82,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
let icon_texture = texture_creator
.load_texture("assets/icon.png")
.expect("failed to load icon");
canvas
.copy(
&icon_texture,
None,
Some(Rect::new(
(SCREEN_WIDTH as i32) * ((SCALE as i32) - 1) / 2,
(SCREEN_HEIGHT as i32) * ((SCALE as i32) - 1) / 2,
SCREEN_WIDTH,
SCREEN_HEIGHT,
)),
)
.unwrap();
canvas.copy(&icon_texture, None, None).unwrap();
canvas.present();
// TODO also set window icon

3
src/plat/sdl2/video.rs
View file

@ -8,7 +8,6 @@ use rustboyadvance_ng::VideoInterface;
pub const SCREEN_WIDTH: u32 = DISPLAY_WIDTH as u32;
pub const SCREEN_HEIGHT: u32 = DISPLAY_HEIGHT as u32;
pub const SCALE: u32 = 3; // TODO control via CLI & support window resize
pub struct Sdl2Video<'a> {
_tc: TextureCreator<WindowContext>, // only kept alive because of the texture
@ -35,7 +34,7 @@ impl<'a> VideoInterface for Sdl2Video<'a> {
.copy(
&self.texture,
None,
Some(Rect::new(0, 0, SCREEN_WIDTH * SCALE, SCREEN_HEIGHT * SCALE)),
Some(Rect::new(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT)),
)
.unwrap();
self.canvas.present();