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Factor out some code in osmain

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This commit is contained in:
Brian Anderson 2012-05-03 18:15:39 -07:00
parent 9103d928e6
commit 63f64a85ab
1 changed files with 55 additions and 29 deletions
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84
src/servo/osmain.rs
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@ -1,3 +1,5 @@
import azure::cairo::cairo_surface_t;
#[cfg(target_os = "linux")] #[cfg(target_os = "linux")]
mod platform { mod platform {
fn runmain(f: fn()) { fn runmain(f: fn()) {
@ -196,33 +198,14 @@ fn mainloop(po: comm::port<msg>) {
sdl::init([ sdl::init([
sdl::init_video sdl::init_video
]); ]);
let screen = sdl::video::set_video_mode( let screen = sdl::video::set_video_mode(
800, 600, 32, 800, 600, 32,
[sdl::video::swsurface], [sdl::video::swsurface],
[sdl::video::doublebuf]); [sdl::video::doublebuf]);
assert !ptr::is_null(screen); assert !ptr::is_null(screen);
let sdl_surf = sdl::video::create_rgb_surface(
[sdl::video::swsurface], let surface = mk_surface();
800, 600, 32,
0x00FF0000u32,
0x0000FF00u32,
0x000000FFu32,
0x00000000u32
);
assert !ptr::is_null(sdl_surf);
sdl::video::lock_surface(sdl_surf);
let cairo_surf = unsafe {
cairo_image_surface_create_for_data(
unsafe::reinterpret_cast((*sdl_surf).pixels),
cairo::CAIRO_FORMAT_RGB24,
(*sdl_surf).w,
(*sdl_surf).h,
(*sdl_surf).pitch as libc::c_int
)
};
assert !ptr::is_null(cairo_surf);
let azure_target = AzCreateDrawTargetForCairoSurface(cairo_surf);
assert !ptr::is_null(azure_target);
loop { loop {
sdl::event::poll_event {|event| sdl::event::poll_event {|event|
@ -243,13 +226,13 @@ fn mainloop(po: comm::port<msg>) {
key_handlers += [key_ch]; key_handlers += [key_ch];
} }
get_draw_target(response_ch) { get_draw_target(response_ch) {
comm::send(response_ch, azure_target); comm::send(response_ch, copy(surface.az_target));
} }
draw(response_ch) { draw(response_ch) {
sdl::video::unlock_surface(sdl_surf); sdl::video::unlock_surface(surface.sdl_surf);
sdl::video::blit_surface(sdl_surf, ptr::null(), sdl::video::blit_surface(surface.sdl_surf, ptr::null(),
screen, ptr::null()); screen, ptr::null());
sdl::video::lock_surface(sdl_surf); sdl::video::lock_surface(surface.sdl_surf);
sdl::video::flip(screen); sdl::video::flip(screen);
comm::send(response_ch, ()); comm::send(response_ch, ());
} }
@ -257,8 +240,51 @@ fn mainloop(po: comm::port<msg>) {
} }
} }
} }
AzReleaseDrawTarget(azure_target); destroy_surface(surface);
cairo_surface_destroy(cairo_surf);
sdl::video::unlock_surface(sdl_surf);
sdl::quit(); sdl::quit();
} }
type surface = {
sdl_surf: *sdl::video::surface,
cairo_surf: *cairo_surface_t,
az_target: AzDrawTargetRef
};
fn mk_surface() -> surface {
let sdl_surf = sdl::video::create_rgb_surface(
[sdl::video::swsurface],
800, 600, 32,
0x00FF0000u32,
0x0000FF00u32,
0x000000FFu32,
0x00000000u32
);
assert !ptr::is_null(sdl_surf);
sdl::video::lock_surface(sdl_surf);
let cairo_surf = unsafe {
cairo_image_surface_create_for_data(
unsafe::reinterpret_cast((*sdl_surf).pixels),
cairo::CAIRO_FORMAT_RGB24,
(*sdl_surf).w,
(*sdl_surf).h,
(*sdl_surf).pitch as libc::c_int
)
};
assert !ptr::is_null(cairo_surf);
let azure_target = AzCreateDrawTargetForCairoSurface(cairo_surf);
assert !ptr::is_null(azure_target);
{
sdl_surf: sdl_surf,
cairo_surf: cairo_surf,
az_target: azure_target
}
}
fn destroy_surface(surface: surface) {
AzReleaseDrawTarget(surface.az_target);
cairo_surface_destroy(surface.cairo_surf);
sdl::video::unlock_surface(surface.sdl_surf);
sdl::video::free_surface(surface.sdl_surf);
}