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19 changed files with 109 additions and 635 deletions

30
Cargo.lock generated
View file

@ -350,9 +350,9 @@ dependencies = [
[[package]]
name = "core-foundation"
version = "0.9.4"
version = "0.9.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "91e195e091a93c46f7102ec7818a2aa394e1e1771c3ab4825963fa03e45afb8f"
checksum = "194a7a9e6de53fa55116934067c844d9d749312f75c6f6d0980e8c252f8c2146"
dependencies = [
"core-foundation-sys",
"libc",
@ -360,9 +360,9 @@ dependencies = [
[[package]]
name = "core-foundation-sys"
version = "0.8.6"
version = "0.8.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "06ea2b9bc92be3c2baa9334a323ebca2d6f074ff852cd1d7b11064035cd3868f"
checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
[[package]]
name = "core-graphics"
@ -379,9 +379,9 @@ dependencies = [
[[package]]
name = "core-graphics-types"
version = "0.1.3"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "45390e6114f68f718cc7a830514a96f903cccd70d02a8f6d9f643ac4ba45afaf"
checksum = "2bb142d41022986c1d8ff29103a1411c8a3dfad3552f87a4f8dc50d61d4f4e33"
dependencies = [
"bitflags 1.3.2",
"core-foundation",
@ -1124,9 +1124,9 @@ dependencies = [
[[package]]
name = "linux-raw-sys"
version = "0.4.12"
version = "0.4.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c4cd1a83af159aa67994778be9070f0ae1bd732942279cabb14f86f986a21456"
checksum = "969488b55f8ac402214f3f5fd243ebb7206cf82de60d3172994707a4bcc2b829"
[[package]]
name = "lock_api"
@ -1659,15 +1659,15 @@ dependencies = [
[[package]]
name = "rustix"
version = "0.38.26"
version = "0.38.25"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9470c4bf8246c8daf25f9598dca807fb6510347b1e1cfa55749113850c79d88a"
checksum = "dc99bc2d4f1fed22595588a013687477aedf3cdcfb26558c559edb67b4d9b22e"
dependencies = [
"bitflags 2.4.1",
"errno",
"libc",
"linux-raw-sys",
"windows-sys 0.52.0",
"windows-sys 0.48.0",
]
[[package]]
@ -2672,18 +2672,18 @@ checksum = "0fcb9cbac069e033553e8bb871be2fbdffcab578eb25bd0f7c508cedc6dcd75a"
[[package]]
name = "zerocopy"
version = "0.7.28"
version = "0.7.26"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7d6f15f7ade05d2a4935e34a457b936c23dc70a05cc1d97133dc99e7a3fe0f0e"
checksum = "e97e415490559a91254a2979b4829267a57d2fcd741a98eee8b722fb57289aa0"
dependencies = [
"zerocopy-derive",
]
[[package]]
name = "zerocopy-derive"
version = "0.7.28"
version = "0.7.26"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dbbad221e3f78500350ecbd7dfa4e63ef945c05f4c61cb7f4d3f84cd0bba649b"
checksum = "dd7e48ccf166952882ca8bd778a43502c64f33bf94c12ebe2a7f08e5a0f6689f"
dependencies = [
"proc-macro2",
"quote",

View file

@ -1,202 +0,0 @@
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View file

@ -1,72 +0,0 @@
use std::time::Instant;
use glam::{UVec2, vec4};
use glium::{backend::glutin::SimpleWindowBuilder, Surface};
use winit::{
event::{Event, WindowEvent},
event_loop::{EventLoopBuilder, ControlFlow}
};
use kubi_ui::{
KubiUi,
element::{
UiElement,
progress_bar::ProgressBar,
container::{Container, Sides, Alignment},
rect::Rect, text::Text
},
interaction::IntoInteractable,
UiSize,
UiDirection, IfModified,
};
use kubi_ui_glium::GliumUiRenderer;
fn main() {
kubi_logging::init();
let event_loop = EventLoopBuilder::new().build().unwrap();
let (window, display) = SimpleWindowBuilder::new().build(&event_loop);
let mut kui = KubiUi::new();
let mut backend = GliumUiRenderer::new(&display);
let font_handle = kui.add_font_from_bytes(include_bytes!("../../assets/fonts/roboto/Roboto-Regular.ttf"));
event_loop.run(|event, window_target| {
window_target.set_control_flow(ControlFlow::Poll);
match event {
Event::WindowEvent { event: WindowEvent::CloseRequested, .. } => {
window_target.exit();
},
Event::AboutToWait => {
let mut frame = display.draw();
frame.clear_color_srgb(0., 0., 0., 1.);
let resolution = UVec2::from(display.get_framebuffer_dimensions()).as_vec2();
kui.begin();
kui.add(Container {
gap: 5.,
padding: Sides::all(5.),
align: (Alignment::Begin, Alignment::Begin),
size: (UiSize::Percentage(1.), UiSize::Percentage(1.)),
elements: vec![
Box::new(Text {
text: "Hello_world".into(),
font: font_handle,
..Default::default()
}),
],
..Default::default()
}, resolution);
kui.end();
backend.update(&kui);
backend.draw(&mut frame, resolution);
frame.finish().unwrap();
}
_ => (),
}
}).unwrap();
}

View file

@ -1,21 +1,11 @@
#version 300 es
precision highp float;
precision highp sampler2D;
out vec4 out_color;
in vec4 vtx_color;
in vec2 vtx_uv;
uniform bool use_tex;
uniform sampler2D tex;
void main() {
//if (vtx_color.w <= 0.) discard;
vec4 tex_color;
if (use_tex) {
tex_color = texture(tex, vtx_uv);
} else {
tex_color = vec4(1.);
}
out_color = tex_color * vtx_color;
if (vtx_color.w <= 0.) discard;
out_color = vtx_color;
}

View file

@ -3,15 +3,12 @@
precision highp float;
uniform vec2 resolution;
in vec2 uv;
in vec4 color;
in vec2 position;
out vec4 vtx_color;
out vec2 vtx_uv;
void main() {
vtx_color = color;
vtx_uv = uv;
vec2 pos2d = (vec2(2., -2.) * (position / resolution)) + vec2(-1, 1);
gl_Position = vec4(pos2d, 0., 1.);
}

View file

@ -1,17 +1,14 @@
use std::rc::Rc;
use glam::Vec2;
use glium::{
Surface, DrawParameters, Blend,
Program, VertexBuffer, IndexBuffer,
backend::{Facade, Context},
texture::{SrgbTexture2d, RawImage2d},
backend::Facade,
index::PrimitiveType,
implement_vertex,
uniform, uniforms::DynamicUniforms,
implement_vertex, uniform, texture::{SrgbTexture2d, RawImage2d},
};
use kubi_ui::{
KubiUi,
draw::{UiDrawPlan, UiVertex, BindTexture},
draw::{UiDrawPlan, UiVertex},
text::FontTextureInfo, IfModified,
};
@ -39,10 +36,10 @@ impl From<UiVertex> for Vertex {
implement_vertex!(Vertex, position, color, uv);
struct BufferPair {
pub vertex_buffer: glium::VertexBuffer<Vertex>,
pub index_buffer: glium::IndexBuffer<u32>,
pub vertex_count: usize,
pub index_count: usize,
vertex_buffer: glium::VertexBuffer<Vertex>,
index_buffer: glium::IndexBuffer<u32>,
vertex_count: usize,
index_count: usize,
}
impl BufferPair {
@ -105,121 +102,65 @@ impl BufferPair {
}
}
struct GlDrawCall {
active: bool,
buffer: BufferPair,
bind_texture: Option<Rc<SrgbTexture2d>>,
}
pub struct GliumUiRenderer {
context: Rc<Context>,
program: glium::Program,
font_texture: Option<Rc<SrgbTexture2d>>,
plan: Vec<GlDrawCall>,
buffer: BufferPair,
}
impl GliumUiRenderer {
pub fn new<F: Facade>(facade: &F) -> Self {
log::info!("init glium backend for kui");
log::info!("init glium backend for ui");
log::debug!("init program");
let program = Program::from_source(facade, VERTEX_SHADER, FRAGMENT_SHADER, None).unwrap();
Self {
program: Program::from_source(facade, VERTEX_SHADER, FRAGMENT_SHADER, None).unwrap(),
context: Rc::clone(facade.get_context()),
font_texture: None,
plan: vec![]
program,
buffer: BufferPair::new(facade)
}
}
pub fn update_draw_plan(&mut self, plan: &UiDrawPlan) {
if plan.calls.len() > self.plan.len() {
self.plan.resize_with(plan.calls.len(), || {
GlDrawCall {
buffer: BufferPair::new(&self.context),
bind_texture: None,
active: false,
}
});
} else {
for step in &mut self.plan[plan.calls.len()..] {
step.active = false;
}
}
for (idx, call) in plan.calls.iter().enumerate() {
let data_vtx = &call.vertices.iter().copied().map(Vertex::from).collect::<Vec<_>>()[..];
let data_idx = &call.indices[..];
self.plan[idx].active = true;
self.plan[idx].buffer.write_data(data_vtx, data_idx);
self.plan[idx].bind_texture = match call.bind_texture {
Some(BindTexture::FontTexture) => {
const NO_FNT_TEX: &str = "Font texture exists in draw plan but not yet inited. Make sure to call update_font_texture() *before* update_draw_plan()";
Some(Rc::clone(self.font_texture.as_ref().expect(NO_FNT_TEX)))
},
None => None,
}
}
assert!(plan.calls.len() == 1, "multiple draw calls not supported yet");
let data_vtx = &plan.calls[0].vertices.iter().copied().map(Vertex::from).collect::<Vec<_>>();
let data_idx = &plan.calls[0].indices;
self.buffer.write_data(data_vtx, data_idx);
}
pub fn update_font_texture(&mut self, font_texture: &FontTextureInfo) {
log::debug!("updating font texture");
self.font_texture = Some(Rc::new(SrgbTexture2d::new(
&self.context,
RawImage2d::from_raw_rgba(
font_texture.data.to_owned(),
(font_texture.size.x, font_texture.size.y)
)
).unwrap()));
//HACK: get context from buffer
let ctx = self.buffer.index_buffer.get_context();
SrgbTexture2d::new(ctx, RawImage2d::from_raw_rgb(
font_texture.data.to_owned(),
(font_texture.size.x, font_texture.size.y)
)).unwrap();
}
pub fn update(&mut self, kui: &KubiUi) {
if let Some(texture) = kui.font_texture().if_modified() {
self.update_font_texture(texture);
}
if let Some(plan) = kui.draw_plan().if_modified() {
self.update_draw_plan(plan);
}
if let Some(texture) = kui.font_texture().if_modified() {
self.update_font_texture(texture);
}
}
pub fn draw(&self, frame: &mut glium::Frame, resolution: Vec2) {
if self.buffer.is_empty() {
return
}
let params = DrawParameters {
blend: Blend::alpha_blending(),
..Default::default()
};
for step in &self.plan {
if !step.active {
continue
}
if step.buffer.is_empty() {
continue
}
let vtx_buffer = step.buffer.vertex_buffer.slice(0..step.buffer.vertex_count).unwrap();
let idx_buffer = step.buffer.index_buffer.slice(0..step.buffer.index_count).unwrap();
if let Some(bind_texture) = step.bind_texture.as_ref() {
frame.draw(
vtx_buffer,
idx_buffer,
&self.program,
&uniform! {
resolution: resolution.to_array(),
tex: bind_texture.as_ref(),
use_tex: true,
},
&params,
).unwrap();
} else {
frame.draw(
vtx_buffer,
idx_buffer,
&self.program,
&uniform! {
resolution: resolution.to_array(),
use_tex: false,
},
&params,
).unwrap();
}
}
frame.draw(
self.buffer.vertex_buffer.slice(0..self.buffer.vertex_count).unwrap(),
self.buffer.index_buffer.slice(0..self.buffer.index_count).unwrap(),
&self.program,
&uniform! {
resolution: resolution.to_array(),
},
&params,
).unwrap();
}
}

View file

@ -1,7 +1,6 @@
use crate::{IfModified, text::{TextRenderer, FontHandle}};
use crate::{IfModified, text::TextRenderer};
use std::borrow::Cow;
use fontdue::layout::{Layout, CoordinateSystem, TextStyle};
use glam::{Vec2, Vec4, vec2};
#[derive(Clone, Debug, PartialEq)]
@ -24,8 +23,6 @@ pub enum UiDrawCommand {
color: Vec4,
///Text to draw
text: Cow<'static, str>,
///Font handle to use
font: FontHandle,
},
}
@ -34,12 +31,6 @@ pub struct UiDrawCommands {
pub commands: Vec<UiDrawCommand>,
}
impl UiDrawCommands {
pub fn add(&mut self, command: UiDrawCommand) {
self.commands.push(command);
}
}
// impl UiDrawCommands {
// pub fn compare(&self, other: &Self) -> bool {
// // if self.commands.len() != other.commands.len() { return false }
@ -72,74 +63,22 @@ pub struct UiDrawPlan {
pub calls: Vec<UiDrawCall>
}
struct CallSwapper {
calls: Vec<UiDrawCall>,
call: UiDrawCall,
}
impl CallSwapper {
pub fn new() -> Self {
Self {
calls: vec![],
call: UiDrawCall::default(),
}
}
pub fn current(&self) -> &UiDrawCall {
&self.call
}
pub fn current_mut(&mut self) -> &mut UiDrawCall {
&mut self.call
}
pub fn swap(&mut self) {
self.calls.push(std::mem::replace(&mut self.call, UiDrawCall::default()));
}
pub fn finish(mut self) -> Vec<UiDrawCall> {
self.calls.push(self.call);
self.calls
}
}
impl UiDrawPlan {
pub fn build(draw_commands: &UiDrawCommands, tr: &mut TextRenderer) -> Self {
let mut swapper = CallSwapper::new();
let mut prev_command = None;
for command in &draw_commands.commands {
let do_swap = if let Some(prev_command) = prev_command {
std::mem::discriminant(prev_command) != std::mem::discriminant(command)
} else {
false
};
if do_swap {
swapper.swap();
}
if do_swap || prev_command.is_none() {
match command {
UiDrawCommand::Rectangle { .. } => (),
UiDrawCommand::Text { .. } => {
swapper.current_mut().bind_texture = Some(BindTexture::FontTexture);
}
}
}
pub fn build(calls: &UiDrawCommands, tr: &mut TextRenderer) -> Self {
let mut call = UiDrawCall::default();
for command in &calls.commands {
match command {
UiDrawCommand::Rectangle { position, size, color } => {
let vidx = swapper.current().vertices.len() as u32;
swapper.current_mut().indices.extend([vidx, vidx + 1, vidx + 2, vidx, vidx + 2, vidx + 3]);
swapper.current_mut().vertices.extend([
let idx = call.vertices.len() as u32;
call.indices.extend([idx, idx + 1, idx + 2, idx, idx + 2, idx + 3]);
call.vertices.extend([
UiVertex {
position: *position,
color: *color,
uv: vec2(0.0, 0.0),
},
UiVertex {
position: *position + vec2(size.x, 0.0),
position: *position + Vec2::new(size.x, 0.0),
color: *color,
uv: vec2(1.0, 0.0),
},
@ -149,60 +88,19 @@ impl UiDrawPlan {
uv: vec2(1.0, 1.0),
},
UiVertex {
position: *position + vec2(0.0, size.y),
position: *position + Vec2::new(0.0, size.y),
color: *color,
uv: vec2(0.0, 1.0),
},
]);
},
UiDrawCommand::Text { position, size, color, text, font } => {
//XXX: should we be doing this every time?
let mut layout = Layout::new(CoordinateSystem::PositiveYDown);
layout.append(
&[tr.internal_font(*font)],
&TextStyle::new(&text, *size as f32, 0)
);
let glyphs = layout.glyphs();
//let mut rpos_x = 0.;
for layout_glyph in glyphs {
let vidx = swapper.current().vertices.len() as u32;
let glyph = tr.glyph(*font, layout_glyph.parent, layout_glyph.key.px as u8);
//rpos_x += glyph.metrics.advance_width;//glyph.metrics.advance_width;
swapper.current_mut().indices.extend([vidx, vidx + 1, vidx + 2, vidx, vidx + 2, vidx + 3]);
let p0x = glyph.position.x as f32 / 1024.;
let p1x = (glyph.position.x + glyph.size.x as i32) as f32 / 1024.;
let p0y = glyph.position.y as f32 / 1024.;
let p1y = (glyph.position.y + glyph.size.y as i32) as f32 / 1024.;
swapper.current_mut().vertices.extend([
UiVertex {
position: *position + vec2(layout_glyph.x, layout_glyph.y),
color: *color,
uv: vec2(p0x, p0y),
},
UiVertex {
position: *position + vec2(layout_glyph.x + glyph.metrics.width as f32, layout_glyph.y),
color: *color,
uv: vec2(p1x, p0y),
},
UiVertex {
position: *position + vec2(layout_glyph.x + glyph.metrics.width as f32, layout_glyph.y + glyph.metrics.height as f32),
color: *color,
uv: vec2(p1x, p1y),
},
UiVertex {
position: *position + vec2(layout_glyph.x, layout_glyph.y + glyph.metrics.height as f32),
color: *color,
uv: vec2(p0x, p1y),
},
]);
}
UiDrawCommand::Text { position, size, color, text } => {
todo!()
}
}
prev_command = Some(command);
}
Self {
calls: swapper.finish()
calls: vec![call]
}
}
}

View file

@ -1,7 +1,7 @@
use std::any::Any;
use crate::{
LayoutInfo,
draw::UiDrawCommands,
draw::UiDrawCommand,
measure::Response,
state::StateRepo
};
@ -12,7 +12,6 @@ mod builtin {
pub mod container;
pub mod spacer;
pub mod progress_bar;
pub mod text;
}
#[cfg(feature = "builtin_elements")]
@ -25,5 +24,5 @@ pub trait UiElement {
fn is_stateless(&self) -> bool { self.state_id().is_none() }
fn init_state(&self) -> Option<Box<dyn Any>> { None }
fn measure(&self, state: &StateRepo, layout: &LayoutInfo) -> Response;
fn process(&self, measure: &Response, state: &mut StateRepo, layout: &LayoutInfo, draw: &mut UiDrawCommands);
fn process(&self, measure: &Response, state: &mut StateRepo, layout: &LayoutInfo, draw: &mut Vec<UiDrawCommand>);
}

View file

@ -3,7 +3,7 @@ use crate::{
UiDirection,
UiSize,
LayoutInfo,
draw::{UiDrawCommand, UiDrawCommands},
draw::UiDrawCommand,
measure::{Response, Hints},
state::StateRepo,
element::UiElement
@ -59,7 +59,6 @@ pub struct Container {
//pub reverse: bool,
pub gap: f32,
pub padding: Sides<f32>,
///Primary/secondary axis
pub align: (Alignment, Alignment),
pub background: Option<Vec4>,
pub borders: Sides<Option<Border>>,
@ -77,6 +76,7 @@ impl Default for Container {
//reverse: false,
gap: 0.,
padding: Sides::all(0.),
///Primary/secondary axis
align: (Alignment::Begin, Alignment::Begin),
background: Default::default(),
borders: Default::default(),
@ -150,12 +150,12 @@ impl UiElement for Container {
}
}
fn process(&self, measure: &Response, state: &mut StateRepo, layout: &LayoutInfo, draw: &mut UiDrawCommands) {
fn process(&self, measure: &Response, state: &mut StateRepo, layout: &LayoutInfo, draw: &mut Vec<UiDrawCommand>) {
let mut position = layout.position;
//background
if let Some(color) = self.background {
draw.add(UiDrawCommand::Rectangle {
draw.push(UiDrawCommand::Rectangle {
position,
size: measure.size,
color

View file

@ -1,7 +1,7 @@
use glam::{vec2, Vec4, vec4};
use crate::{
UiSize, LayoutInfo,
draw::{UiDrawCommand, UiDrawCommands},
draw::UiDrawCommand,
measure::Response,
state::StateRepo,
element::UiElement
@ -50,17 +50,17 @@ impl UiElement for ProgressBar {
}
}
fn process(&self, measure: &Response, state: &mut StateRepo, layout: &LayoutInfo, draw: &mut UiDrawCommands) {
fn process(&self, measure: &Response, state: &mut StateRepo, layout: &LayoutInfo, draw: &mut Vec<UiDrawCommand>) {
let value = self.value.clamp(0., 1.);
if value < 1. {
draw.add(UiDrawCommand::Rectangle {
draw.push(UiDrawCommand::Rectangle {
position: layout.position,
size: measure.size,
color: self.color_background
});
}
if value > 0. {
draw.add(UiDrawCommand::Rectangle {
draw.push(UiDrawCommand::Rectangle {
position: layout.position,
size: measure.size * vec2(value, 1.0),
color: self.color_foreground

View file

@ -5,7 +5,7 @@ use crate::{
element::UiElement,
state::StateRepo,
measure::Response,
draw::{UiDrawCommand, UiDrawCommands}
draw::UiDrawCommand
};
pub struct Rect {
@ -42,9 +42,9 @@ impl UiElement for Rect {
}
}
fn process(&self, measure: &Response, _state: &mut StateRepo, layout: &LayoutInfo, draw: &mut UiDrawCommands) {
fn process(&self, measure: &Response, _state: &mut StateRepo, layout: &LayoutInfo, draw: &mut Vec<UiDrawCommand>) {
if let Some(color) = self.color {
draw.add(UiDrawCommand::Rectangle {
draw.push(UiDrawCommand::Rectangle {
position: layout.position,
size: measure.size,
color,

View file

@ -5,7 +5,7 @@ use crate::{
element::UiElement,
state::StateRepo,
measure::Response,
draw::{UiDrawCommand, UiDrawCommands}
draw::UiDrawCommand
};
pub struct Spacer(f32);
@ -28,5 +28,5 @@ impl UiElement for Spacer {
}
}
fn process(&self, _measure: &Response, _state: &mut StateRepo, _layout: &LayoutInfo, _draw: &mut UiDrawCommands) {}
fn process(&self, _measure: &Response, _state: &mut StateRepo, _layout: &LayoutInfo, _draw: &mut Vec<UiDrawCommand>) {}
}

View file

@ -1,59 +0,0 @@
use std::borrow::Cow;
use glam::{vec2, Vec4};
use crate::{
LayoutInfo,
UiSize,
element::UiElement,
state::StateRepo,
measure::Response,
draw::{UiDrawCommand, UiDrawCommands}, text::FontHandle
};
pub struct Text {
pub text: Cow<'static, str>,
pub size: (UiSize, UiSize),
pub color: Vec4,
pub font: FontHandle
}
impl Default for Text {
fn default() -> Self {
Self {
text: "".into(),
size: (UiSize::Percentage(1.), UiSize::Pixels(32.)),
color: Vec4::new(1., 1., 1., 1.),
font: FontHandle(0)
}
}
}
impl UiElement for Text {
fn measure(&self, _state: &StateRepo, layout: &LayoutInfo) -> Response {
Response {
size: vec2(
match self.size.0 {
UiSize::Auto => layout.max_size.x,
UiSize::Percentage(percentage) => layout.max_size.x * percentage,
UiSize::Pixels(pixels) => pixels,
},
match self.size.1 {
UiSize::Auto => layout.max_size.y,
UiSize::Percentage(percentage) => layout.max_size.y * percentage,
UiSize::Pixels(pixels) => pixels,
},
),
hints: Default::default(),
user_data: None
}
}
fn process(&self, _measure: &Response, _state: &mut StateRepo, layout: &LayoutInfo, draw: &mut UiDrawCommands) {
draw.add(UiDrawCommand::Text {
text: self.text.clone(),
position: layout.position,
size: 32,
color: self.color,
font: self.font
});
}
}

View file

@ -1,4 +1,4 @@
use crate::{element::UiElement, draw::UiDrawCommands};
use crate::element::UiElement;
pub struct Interactable<T: UiElement> {
pub element: T,
@ -35,7 +35,7 @@ impl<T: UiElement> UiElement for Interactable<T> {
self.element.measure(state, layout)
}
fn process(&self, measure: &crate::measure::Response, state: &mut crate::state::StateRepo, layout: &crate::LayoutInfo, draw: &mut UiDrawCommands) {
fn process(&self, measure: &crate::measure::Response, state: &mut crate::state::StateRepo, layout: &crate::LayoutInfo, draw: &mut Vec<crate::draw::UiDrawCommand>) {
self.element.process(measure, state, layout, draw)
}
}

View file

@ -1,3 +1,4 @@
use std::collections::VecDeque;
use glam::Vec2;
pub mod element;
@ -10,8 +11,9 @@ pub mod interaction;
use element::UiElement;
use state::StateRepo;
use event::UiEvent;
use draw::{UiDrawCommands, UiDrawPlan};
use text::{TextRenderer, FontTextureInfo, FontHandle};
use text::{TextRenderer, FontTextureInfo};
// pub struct ElementContext<'a> {
// pub state: &'a mut StateRepo,
@ -49,10 +51,6 @@ impl KubiUi {
}
}
pub fn add_font_from_bytes(&mut self, font: &[u8]) -> FontHandle {
self.text_renderer.add_font_from_bytes(font)
}
pub fn add<T: UiElement>(&mut self, element: T, max_size: Vec2) {
let layout = LayoutInfo {
position: Vec2::ZERO,
@ -60,7 +58,7 @@ impl KubiUi {
direction: UiDirection::Vertical,
};
let measure = element.measure(&self.stateful_state, &layout);
element.process(&measure, &mut self.stateful_state, &layout, &mut self.draw_commands);
element.process(&measure, &mut self.stateful_state, &layout, &mut self.draw_commands.commands);
}
pub fn begin(&mut self) {

View file

@ -1,13 +1,12 @@
use std::sync::Arc;
mod font;
mod ftm;
mod texman;
use font::FontManager;
pub use font::FontHandle;
use fontdue::{Font, FontSettings};
use ftm::FontTextureManager;
pub use ftm::{FontTextureInfo, GlyphCacheEntry};
use texman::FontTextureManager;
pub use texman::{FontTextureInfo, GlyphCacheEntry};
pub struct TextRenderer {
fm: FontManager,
@ -22,10 +21,6 @@ impl TextRenderer {
}
}
pub fn add_font_from_bytes(&mut self, font: &[u8]) -> FontHandle {
self.fm.add_font(Font::from_bytes(font, FontSettings::default()).unwrap())
}
pub fn reset_frame(&mut self) {
self.ftm.reset_modified();
}
@ -37,10 +32,6 @@ impl TextRenderer {
pub fn glyph(&mut self, font_handle: FontHandle, character: char, size: u8) -> Arc<GlyphCacheEntry> {
self.ftm.glyph(&self.fm, font_handle, character, size)
}
pub(crate) fn internal_font(&self, handle: FontHandle) -> &Font {
self.fm.get(handle).unwrap()
}
}
impl Default for TextRenderer {

View file

@ -3,7 +3,7 @@ use fontdue::Font;
#[cfg(feature = "builtin_font")]
const BIN_FONT: &[u8] = include_bytes!("../../assets/font/ProggyTiny.ttf");
#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)]
#[derive(Clone, Copy, PartialEq, Eq, Hash)]
pub struct FontHandle(pub(crate) usize);
#[cfg(feature = "builtin_font")]

View file

@ -60,7 +60,7 @@ impl FontTextureManager {
FontTextureManager {
glyph_cache: HashMap::new(),
packer: DensePacker::new(size.x as i32, size.y as i32),
font_texture: vec![0; (size.x * size.y * 4) as usize],
font_texture: vec![0; (size.x * size.y) as usize],
font_texture_size: size,
modified: false,
}
@ -79,18 +79,17 @@ impl FontTextureManager {
}
/// Either looks up the glyph in the cache or renders it and adds it to the cache.
pub fn glyph(&mut self, font_manager: &FontManager, font_handle: FontHandle, character: char, size: u8) -> Arc<GlyphCacheEntry> {
fn glyph_allocate(&mut self, font_manager: &FontManager, font_handle: FontHandle, character: char, size: u8) -> (bool, Arc<GlyphCacheEntry>) {
let key = GlyphCacheKey {
font_index: font_handle.0,
character,
size,
};
if let Some(entry) = self.glyph_cache.get(&key) {
return Arc::clone(entry);
return (false, Arc::clone(entry));
}
let font = font_manager.get(font_handle).unwrap();
let (metrics, bitmap) = font.rasterize(character, size as f32);
log::debug!("rasterized glyph: {}, {:?}, {:?}", character, metrics, bitmap);
let texture_position = self.packer.pack(metrics.width as i32, metrics.height as i32, false).unwrap();
let texture_size = uvec2(metrics.width as u32, metrics.height as u32);
let entry = Arc::new(GlyphCacheEntry {
@ -100,40 +99,34 @@ impl FontTextureManager {
size: texture_size,
});
self.glyph_cache.insert_unique_unchecked(key, Arc::clone(&entry));
self.glyph_place(&entry);
self.modified = true;
entry
(true, entry)
}
/// Place glyph onto the font texture.
fn glyph_place(&mut self, entry: &GlyphCacheEntry) {
let tex_size = self.font_texture_size;
let GlyphCacheEntry { size, position, data, .. } = entry;
//println!("{size:?} {position:?}");
let GlyphCacheEntry { size, position, .. } = entry;
for y in 0..size.y {
for x in 0..size.x {
let src = (size.x * y + x) as usize;
let dst = (tex_size.x * (y + position.y as u32) + (x + position.x as u32)) as usize * 4;
self.font_texture[dst..=(dst + 3)].copy_from_slice(&[255, 255, 255, data[src]]);
//print!("{} ", if data[src] > 0 {'#'} else {'.'});
//print!("{src} {dst} / ");
let dst = (tex_size.x * (y + position.y as u32) + (x + position.x as u32)) as usize;
self.font_texture[dst] = entry.data[src];
}
//println!();
}
}
// pub fn glyph(&mut self, font_manager: &FontManager, font_handle: FontHandle, character: char, size: u8) -> Arc<GlyphCacheEntry> {
// let (is_new, glyph) = self.glyph_allocate(font_manager, font_handle, character, size);
// if is_new {
// self.glyph_place(&glyph);
// self.modified = true;
// }
// glyph
// }
pub fn glyph(&mut self, font_manager: &FontManager, font_handle: FontHandle, character: char, size: u8) -> Arc<GlyphCacheEntry> {
let (is_new, glyph) = self.glyph_allocate(font_manager, font_handle, character, size);
if is_new {
self.glyph_place(&glyph);
self.modified = true;
}
glyph
}
}
impl Default for FontTextureManager {
fn default() -> Self {
Self::new(uvec2(1024, 1024))
Self::new(uvec2(2048, 2048))
}
}