find_cut: Skip absurd line rectangles

This is a workaround for an awful bug in tesseract:
    tesseract-ocr/tesseract#1192

src/geom.rs

@@ -989,6 +989,11 @@ impl Boundary {
         self.min.x < rect.max.x && rect.min.x < self.max.x &&
         self.min.y < rect.max.y && rect.min.y < self.max.y
     }
+
+    pub fn contains(&self, rect: &Boundary) -> bool {
+        rect.min.x >= self.min.x && rect.max.x <= self.max.x &&
+        rect.min.y >= self.min.y && rect.max.y <= self.max.y
+    }
 }
 
 #[macro_export]

src/view/reader/mod.rs

@@ -149,7 +149,7 @@ fn find_cut(frame: &Rectangle, y_pos: i32, scale: f32, dir: LinearDir, lines: &[
     let mut rect_a: Option<Boundary> = None;
 
     for line in lines {
-        if frame_u.overlaps(&line.rect) && y_pos_u >= line.rect.min.y && y_pos_u < line.rect.max.y {
+        if frame_u.overlaps(&line.rect) && !line.rect.contains(&frame_u) && y_pos_u >= line.rect.min.y && y_pos_u < line.rect.max.y {
             rect_a = Some(line.rect);
             break;
         }
@@ -498,6 +498,7 @@ impl Reader {
     fn go_to_neighbor(&mut self, dir: CycleDir, hub: &Hub, context: &mut Context) {
         let current_page = self.current_page;
         let top_offset = self.view_port.top_offset;
+
         let loc = {
             let neighloc = if dir == CycleDir::Previous {
                 match self.view_port.zoom_mode {