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4 Commits

Author SHA1 Message Date
itsjunetime 8d73a38c51 fmt 2026-04-23 22:21:08 -05:00
itsjunetime 2fbf7b3ef2 add changelog entry 2026-04-23 21:55:02 -05:00
itsjunetime 7f07c21791 don't delete the images, just clear them 2026-04-23 21:53:33 -05:00
itsjunetime 25579ad2c3 wip; start working on making it not flash when transferring new images 2026-04-23 21:51:48 -05:00
2 changed files with 31 additions and 61 deletions
+1 -1
View File
@@ -72,7 +72,7 @@ pub async fn run_conversion_loop(
picker: Picker,
prerender: usize,
shms_work: bool
) -> Result<(), Box<SendError<Result<ConvertedPage, RenderError>>>> {
) -> Result<(), SendError<Result<ConvertedPage, RenderError>>> {
let mut images = vec![];
let mut page: usize = 0;
let pid = std::process::id();
+30 -60
View File
@@ -72,7 +72,7 @@ struct PageConstraints {
r_to_l: bool
}
#[derive(Default, Debug, Clone, Copy)]
#[derive(Default, Debug)]
struct Zoom {
// just how much 'zoom' you have. 0 means it fills the screen (instead of fits), such
// that one axis is fully on-screen
@@ -86,7 +86,7 @@ struct Zoom {
}
impl Zoom {
/// Returns the zoom factor, where 1 is the default and means fill-screen
fn factor(self) -> f32 {
fn factor(&self) -> f32 {
// TODO: Make these configurable once we have a good way to set options after startup
const ZOOM_RATE: f32 = 1.1;
const ZOOM_RATE_GRANULAR: f32 = 1.05;
@@ -262,7 +262,7 @@ impl Tui {
let img_page_w_ratio = img_section_w / initial_page_w;
let img_page_h_ratio = img_section_h / initial_page_h;
fn shrink_move_page(dim: &mut u16, pos: &mut u16, axis_zoom_factor: f32) {
let shrink_move_page = |dim: &mut u16, pos: &mut u16, axis_zoom_factor: f32| {
let old_dim = *dim;
// The axis zoom factor tells us what portion of the axis
// we need to show.
@@ -272,56 +272,26 @@ impl Tui {
.checked_sub(*dim)
.expect("zooming out should shrink the image")
/ 2;
}
fn shrink_move_two_pass(
zoom: &mut Zoom,
dim: &mut u16,
pos: &mut u16,
zoom_factor: f32,
axis_zoom_factor: f32
) {
// To detect if we're already at fit-screen, we perform a first
// pass on `img_area` that emulates the last call to
// `render_zoomed` by subtracting from the `zoom`'s level. This
// holds because the `img_area` that gets passed is always the
// same.
let mut first_pass_dim = *dim;
let mut first_pass_pos = *pos;
let mut first_pass_zoom = *zoom;
if first_pass_zoom.level.is_negative() {
first_pass_zoom.step_in();
}
let first_pass_zoom_factor = first_pass_zoom.factor();
shrink_move_page(
&mut first_pass_dim,
&mut first_pass_pos,
first_pass_zoom_factor.max(1.0 / axis_zoom_factor)
);
log::debug!("first_pass_dim: {first_pass_dim}, first_pass_pos: {first_pass_pos}");
// vertical scroll / tall image. zooming out means decreasing
// the width of the page area
// use `max` to disallow zooming out past fit-screen
shrink_move_page(dim, pos, zoom_factor.max(1.0 / axis_zoom_factor));
log::debug!("new dim: {dim}, new pos: {pos}");
// The moment the image area is left unmodified, we've hit
// fit-screen and the zoom level ought be normalized.
if first_pass_dim == *dim && first_pass_pos == *pos {
zoom.step_in();
}
}
let (dim, pos, axis_zoom_factor) = if img_page_w_ratio < img_page_h_ratio {
(&mut img_area.width, &mut img_area.x, img_page_h_ratio)
} else {
// horizontal scroll / wide image. zooming out means decreasing
// the height of the page area
(&mut img_area.height, &mut img_area.y, img_page_w_ratio)
};
shrink_move_two_pass(zoom, dim, pos, zoom_factor, axis_zoom_factor);
// TODO: Detect max zoom-out in zoom levels
if img_page_w_ratio < img_page_h_ratio {
// vertical scroll / tall image. zooming out means decreasing the width of the page area
shrink_move_page(
&mut img_area.width,
&mut img_area.x,
// disallow zooming out past fit-screen
zoom_factor.max(1.0 / img_page_h_ratio)
);
} else {
// horizontal scroll / wide image. zooming out means decreasing the width of the page area
shrink_move_page(
&mut img_area.height,
&mut img_area.y,
// disallow zooming out past fit-screen
zoom_factor.max(1.0 / img_page_w_ratio)
);
}
}
log::debug!("after adjustment, page area is {img_area:#?}");
@@ -738,20 +708,20 @@ impl Tui {
term.push(c);
InputAction::Redraw.into()
}
KeyCode::Char(c)
if let BottomMessage::Input(InputCommand::GoToPage(_)) =
self.bottom_msg && matches!(c, 'g' if self.is_kitty) =>
{
self.set_msg(MessageSetting::Pop);
self.update_zoom(Zoom::pan_bottom)
}
KeyCode::Char(c)
if let BottomMessage::Input(InputCommand::GoToPage(ref mut page)) =
self.bottom_msg =>
self.bottom_msg && matches!(c, 'g' if self.is_kitty) =>
c.to_digit(10).map(|input_num| {
*page = (*page * 10) + input_num as usize;
InputAction::Redraw
}),
KeyCode::Char(_)
if let BottomMessage::Input(InputCommand::GoToPage(_)) =
self.bottom_msg =>
{
self.set_msg(MessageSetting::Pop);
self.update_zoom(Zoom::pan_bottom)
}
KeyCode::Char(c) => match c {
'l' => self.change_page(PageChange::Next, ChangeAmount::Single),
'j' => self.change_page(PageChange::Next, ChangeAmount::WholeScreen),