rule shrinking
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parent
6d86f6fdef
commit
e066025836
2 changed files with 60 additions and 42 deletions
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@ -26,7 +26,17 @@ pub struct Rule {
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// rotate:
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}
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type ResizeParam = (isize, isize, isize, isize);
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impl Rule {
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pub const EXTEND_LEFT: ResizeParam = (1, 0, -1, 0);
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pub const EXTEND_RIGHT: ResizeParam = (1, 0, 0, 0);
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pub const EXTEND_UP: ResizeParam = (0, 1, 0, -1);
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pub const EXTEND_DOWN: ResizeParam = (0, 1, 0, 0);
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pub const SHRINK_LEFT: ResizeParam = (-1, 0, 1, 0);
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pub const SHRINK_RIGHT: ResizeParam = (-1, 0, 0, 0);
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pub const SHRINK_UP: ResizeParam = (0, -1, 0, 1);
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pub const SHRINK_DOWN: ResizeParam = (0, -1, 0, 0);
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pub fn new() -> Self {
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Self {
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enabled: false,
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@ -34,6 +44,12 @@ impl Rule {
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to: RulePattern::new(),
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}
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}
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pub fn resize(&mut self, params: ResizeParam) {
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let (dw, dh, dx, dy) = params;
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self.from.resize(dw, dh, dx, dy);
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self.to.resize(dw, dh, dx, dy);
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}
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}
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impl Chunk {
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@ -226,42 +242,25 @@ impl RulePattern {
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self.width
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}
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pub fn extend_left(&mut self) {
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let new_width = self.width + 1;
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let mut new_vec = vec![None; new_width * self.height];
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for y in 0..self.height {
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for x in 0..self.width {
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new_vec[x + new_width * y + 1] = self.contents[x + self.width * y];
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fn resize(&mut self, dw: isize, dh: isize, dx: isize, dy: isize) {
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let new_width = self.width.saturating_add_signed(dw);
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let new_height = self.height.saturating_add_signed(dh);
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if new_width < 1 || new_height < 1 {
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return;
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}
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let mut new_contents = vec![None; new_width * new_height];
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for nx in 0..new_width {
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let oldx = nx.wrapping_add_signed(dx);
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for ny in 0..new_height {
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let oldy = ny.wrapping_add_signed(dy);
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new_contents[nx + new_width * ny] = self.get(oldx, oldy);
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}
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}
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self.width += 1;
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self.contents = new_vec;
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}
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pub fn extend_right(&mut self) {
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let new_width = self.width + 1;
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let mut new_vec = vec![None; new_width * self.height];
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for y in 0..self.height {
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for x in 0..self.width {
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new_vec[x + new_width * y] = self.contents[x + self.width * y];
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}
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}
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self.width += 1;
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self.contents = new_vec;
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}
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pub fn extend_up(&mut self) {
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for _ in 0..self.width {
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self.contents.insert(0, None);
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}
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self.height += 1;
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}
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pub fn extend_down(&mut self) {
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for _ in 0..self.width {
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self.contents.push(None);
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}
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self.height += 1;
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self.contents = new_contents;
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self.height = new_height;
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self.width = new_width;
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}
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}
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@ -152,6 +152,9 @@ fn rule_editor(ui: &mut Ui, rule: &mut Rule, cells: &[CellData]) {
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rule_cell_edit(ui, to_cells_rect.min, &mut rule.to, x, y, cells);
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}
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}
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let delete_mode = ui.input(|i| i.modifiers.shift);
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let mut resize_box = |x, y, w, h| {
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let rect_a = Rect::from_min_size(Pos2::new(x, y), Vec2::new(w, h));
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let a = ui.allocate_rect(rect_a, Sense::click());
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@ -159,7 +162,11 @@ fn rule_editor(ui: &mut Ui, rule: &mut Rule, cells: &[CellData]) {
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let b = ui.allocate_rect(rect_b, Sense::click());
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let result = a.union(b);
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let color = if result.hovered() {
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Color32::GRAY
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if delete_mode {
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Color32::RED
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} else {
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Color32::GRAY
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}
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} else {
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Color32::DARK_GRAY
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};
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@ -169,8 +176,11 @@ fn rule_editor(ui: &mut Ui, rule: &mut Rule, cells: &[CellData]) {
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result.clicked()
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};
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if resize_box(bounds.min.x, bounds.min.y + margin, margin, patt_height) {
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rule.from.extend_left();
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rule.to.extend_left();
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if delete_mode {
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rule.resize(Rule::SHRINK_LEFT);
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} else {
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rule.resize(Rule::EXTEND_LEFT);
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}
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}
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if resize_box(
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from_cells_rect.max.x,
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@ -178,12 +188,18 @@ fn rule_editor(ui: &mut Ui, rule: &mut Rule, cells: &[CellData]) {
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margin,
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patt_height,
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) {
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rule.from.extend_right();
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rule.to.extend_right();
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if delete_mode {
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rule.resize(Rule::SHRINK_RIGHT);
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} else {
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rule.resize(Rule::EXTEND_RIGHT);
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}
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}
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if resize_box(bounds.min.x + margin, bounds.min.y, patt_width, margin) {
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rule.from.extend_up();
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rule.to.extend_up();
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if delete_mode {
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rule.resize(Rule::SHRINK_UP);
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} else {
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rule.resize(Rule::EXTEND_UP);
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}
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}
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if resize_box(
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bounds.min.x + margin,
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@ -191,8 +207,11 @@ fn rule_editor(ui: &mut Ui, rule: &mut Rule, cells: &[CellData]) {
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patt_width,
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margin,
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) {
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rule.from.extend_down();
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rule.to.extend_down();
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if delete_mode {
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rule.resize(Rule::SHRINK_DOWN);
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} else {
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rule.resize(Rule::EXTEND_DOWN);
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}
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}
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}
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