зеркало из https://github.com/mozilla/gecko-dev.git
servo: Do some animation
Source-Repo: https://github.com/servo/servo Source-Revision: 897c9dbc070a1565f17ada06bf2e47a9f06e5ec1
This commit is contained in:
Родитель
51eb8e8cc3
Коммит
b721726182
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@ -4,6 +4,13 @@ import azure::bindgen::*;
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import azure::cairo;
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import azure::cairo;
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import azure::cairo::bindgen::*;
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import azure::cairo::bindgen::*;
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// FIXME: Busy wait hack
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fn sleep() {
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iter::repeat(100000u) {||
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task::yield();
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}
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}
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// A function for spawning into the platform's main thread
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// A function for spawning into the platform's main thread
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fn on_osmain<T: send>(f: fn~(comm::port<T>)) -> comm::chan<T> {
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fn on_osmain<T: send>(f: fn~(comm::port<T>)) -> comm::chan<T> {
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let builder = task::builder();
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let builder = task::builder();
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@ -27,10 +34,15 @@ enum osmain_msg {
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}
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}
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enum draw_msg {
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enum draw_msg {
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dm_draw,
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dm_draw(model),
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dm_exit(comm::chan<()>)
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dm_exit(comm::chan<()>)
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}
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}
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type model = {
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x1: int, y1: int, w1: int, h1: int,
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x2: int, y2: int, w2: int, h2: int
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};
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fn main() {
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fn main() {
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// The platform event handler thread
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// The platform event handler thread
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let osmain_ch = on_osmain::<osmain_msg> {|po|
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let osmain_ch = on_osmain::<osmain_msg> {|po|
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@ -112,11 +124,19 @@ fn main() {
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comm::send(osmain_ch, om_get_draw_target(comm::chan(draw_target_po)));
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comm::send(osmain_ch, om_get_draw_target(comm::chan(draw_target_po)));
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let draw_target = comm::recv(draw_target_po);
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let draw_target = comm::recv(draw_target_po);
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let black_color = {
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r: 0f as azure::AzFloat,
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g: 0f as azure::AzFloat,
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b: 0f as azure::AzFloat,
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a: 1f as azure::AzFloat
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};
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let black_pattern = AzCreateColorPattern(ptr::addr_of(black_color));
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let red_color = {
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let red_color = {
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r: 1f as azure::AzFloat,
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r: 1f as azure::AzFloat,
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g: 0f as azure::AzFloat,
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g: 0f as azure::AzFloat,
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b: 0f as azure::AzFloat,
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b: 0f as azure::AzFloat,
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a: 0.8f as azure::AzFloat
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a: 0.5f as azure::AzFloat
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};
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};
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let red_pattern = AzCreateColorPattern(ptr::addr_of(red_color));
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let red_pattern = AzCreateColorPattern(ptr::addr_of(red_color));
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@ -124,19 +144,31 @@ fn main() {
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r: 0f as azure::AzFloat,
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r: 0f as azure::AzFloat,
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g: 1f as azure::AzFloat,
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g: 1f as azure::AzFloat,
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b: 0f as azure::AzFloat,
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b: 0f as azure::AzFloat,
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a: 0.8f as azure::AzFloat
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a: 0.5f as azure::AzFloat
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};
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};
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let green_pattern = AzCreateColorPattern(ptr::addr_of(green_color));
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let green_pattern = AzCreateColorPattern(ptr::addr_of(green_color));
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let mut exit_confirm_ch = none;
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let mut exit_confirm_ch = none;
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loop {
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loop {
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alt comm::recv::<draw_msg>(po) {
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alt comm::recv::<draw_msg>(po) {
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dm_draw {
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dm_draw(model) {
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let black_rect = {
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x: 0 as azure::AzFloat,
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y: 0 as azure::AzFloat,
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width: 800 as azure::AzFloat,
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height: 600 as azure::AzFloat,
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};
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AzDrawTargetFillRect(
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draw_target,
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ptr::addr_of(black_rect),
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unsafe { unsafe::reinterpret_cast(black_pattern) }
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);
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let red_rect = {
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let red_rect = {
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x: 100f as azure::AzFloat,
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x: model.x1 as azure::AzFloat,
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y: 100f as azure::AzFloat,
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y: model.y1 as azure::AzFloat,
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width: 200f as azure::AzFloat,
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width: model.w1 as azure::AzFloat,
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height: 200f as azure::AzFloat
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height: model.h1 as azure::AzFloat
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};
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};
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AzDrawTargetFillRect(
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AzDrawTargetFillRect(
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draw_target,
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draw_target,
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@ -144,10 +176,10 @@ fn main() {
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unsafe { unsafe::reinterpret_cast(red_pattern) }
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unsafe { unsafe::reinterpret_cast(red_pattern) }
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);
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);
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let green_rect = {
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let green_rect = {
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x: 200f as azure::AzFloat,
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x: model.x2 as azure::AzFloat,
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y: 200f as azure::AzFloat,
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y: model.y2 as azure::AzFloat,
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width: 200f as azure::AzFloat,
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width: model.w2 as azure::AzFloat,
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height: 200f as azure::AzFloat
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height: model.h2 as azure::AzFloat
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};
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};
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AzDrawTargetFillRect(
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AzDrawTargetFillRect(
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draw_target,
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draw_target,
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@ -172,6 +204,37 @@ fn main() {
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comm::send(exit_confirm_ch.get(), ());
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comm::send(exit_confirm_ch.get(), ());
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};
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};
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// The model
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let model_ch = task::spawn_listener {|po|
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let mut x1 = 100;
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let mut y1 = 100;
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let mut w1 = 200;
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let mut h1 = 200;
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let mut x2 = 200;
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let mut y2 = 200;
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let mut w2 = 300;
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let mut h2 = 300;
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while !comm::peek(po) {
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let model = {
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x1: x1, y1: y1, w1: w1, h1: h1,
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x2: x2, y2: y2, w2: w2, h2: h2
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};
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comm::send(draw_ch, dm_draw(model));
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sleep();
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x1 += 1;
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y1 += 1;
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x2 -= 1;
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y2 -= 1;
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if x1 > 800 { x1 = 0 }
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if y1 > 600 { y1 = 0 }
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if x2 < 0 { x2 = 800 }
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if y2 < 0 { y2 = 600 }
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}
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};
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// The keyboard handler
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// The keyboard handler
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task::spawn {||
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task::spawn {||
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let key_po = comm::port();
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let key_po = comm::port();
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@ -179,6 +242,7 @@ fn main() {
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loop {
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loop {
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alt comm::recv(key_po) {
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alt comm::recv(key_po) {
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_ {
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_ {
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comm::send(model_ch, ());
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let draw_exit_confirm_po = comm::port();
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let draw_exit_confirm_po = comm::port();
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comm::send(draw_ch, dm_exit(comm::chan(draw_exit_confirm_po)));
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comm::send(draw_ch, dm_exit(comm::chan(draw_exit_confirm_po)));
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comm::recv(draw_exit_confirm_po);
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comm::recv(draw_exit_confirm_po);
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@ -188,6 +252,4 @@ fn main() {
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}
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}
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}
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}
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}
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}
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comm::send(draw_ch, dm_draw);
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}
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}
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