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Paged documents: rework zoom options (#6885)

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- Move zoom options from top menu to bottom config
- Add option to manually define zoom (relative to
  page width) and overlap (in percent)
- Add options to zoom to columns or rows, possibly
  with overlap. Add panning direction options when
  page forward in these modes
This commit is contained in:
jperon
2020-11-28 17:18:57 +01:00
committed by GitHub
parent 52f66a89d2
commit 8eeb010dc9
37 changed files with 2189 additions and 232 deletions
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14
frontend/apps/reader/modules/readerview.lua
View File

@@ -573,12 +573,17 @@ function ReaderView:recalculate()
self.visible_area.h = self.visible_area.h - self.ui.view.footer:getHeight()
end
if self.ui.document.configurable.writing_direction == 0 then
-- starts from left top of page_area
-- starts from left of page_area
self.visible_area.x = self.page_area.x
self.visible_area.y = self.page_area.y
else
-- start from right top of page_area
-- start from right of page_area
self.visible_area.x = self.page_area.x + self.page_area.w - self.visible_area.w
end
if self.ui.zooming.zoom_bottom_to_top then
-- starts from bottom of page_area
self.visible_area.y = self.page_area.y + self.page_area.h - self.visible_area.h
else
-- starts from top of page_area
self.visible_area.y = self.page_area.y
end
if not self.page_scroll then
@@ -736,6 +741,9 @@ In combination with zoom to fit page, page height, content height or content, co
end
self.page_scroll = page_scroll
if not page_scroll then
self.ui.document.configurable.page_scroll = 0
end
self:recalculate()
self.ui:handleEvent(Event:new("InitScrollPageStates"))
end