CDisplayEx
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Reader

The underlying idea of this interface is to allow you to enjoy your reading time without any visual distraction and by ensuring that the interactions with the screen always produce a reaction coherent with the flow of reading.

Control interface

The first thing you see is the first page, if you touch the center of the screen it displays an interface allowing access to certain settings.

reader
  1. Close the reader
  2. Title
  3. Additional options
  4. Color corrections
  5. Reading Flow
  6. Fit options
  7. Pages Layouts
  8. Page Transitions
  9. Configurable Action bar
  10. Hide/Show Thumbnails
  11. Progress bar
  12. Pages thumbnails

Page Transitions

Page transitions are bidirectional, you can choose a different type of transition depending on whether you are changing pages vertically or horizontally. You can also have a different setting if you flip the screen.

The first button allows you to choose whether the transitions are only horizontal vertical or both

The following buttons allow you to define which transition to apply.

Translate
The pages do not overlap, they push each other.
Page
The pages overlap, the next page is always above the previous page.
In-place
The next and previous page are revealed gradually without moving.
Scale
When you are not fully viewing the page, this transition allows you to see the next page fully during the transition before zooming in on the next area. If the page is fully visible this transition behaves like a translation. This transition is useful when the screen is in landscape mode and the transition is horizontal.
If the vertical transition interferes with a device gesture, try disabling immersive mode, otherwise disable corresponding transition.

Reading Flow

When you use the “go forward” and “go backward” actions by tapping on the right and left areas of the screen, the application scrolls following a reading flow. Comics are read left to right while manga are read right to left . Magazines are often read from top to bottom .

The choice of reading flow will also change the way the pages will be assembled and how the transitions will behave.

Rather than changing the reading flow for each book, you can change the default setting.

Fit options

When you choose how a page fits on the screen, you make a choice based on two criteria, screen orientation and page orientation. These two criteria represent contexts that allow the application to retain your preferences. Do not be surprised if at the beginning you have the impression of redefining the same parameter, it is because the context has changed.

Fit to screen
Fit to screen horizontally and vertically.
Full size
Displays the page without resizing it, the size of the image then depends on the resolution of the screen.
Fit width
Fit the page to the width of the screen.
Fit height
Fit the page to the height of the screen.

In the premium version you can specify a multiplier applied to the width or the height of the screen which allows the page to be adjusted to a virtually wider screen. For example, a double page displayed on a screen in portrait mode with a multiplier of 2 applied to a width adjustment will split the page in two. You can also use this system to split pages when the panels are of regular size.

Pages Layouts

Choose how the pages are assembled, you may have a different setting depending on the orientation of the screen.

Single page
The pages are viewed one by one.
Double page
The portrait pages of the same sub-folder are assembled in pairs while all the others remain alone.
Double page with Cover
The portrait pages of the same sub-folder are assembled in pairs while all the others remain alone.
The first page of each subfolder remains alone, it is the cover.
Continuous vertical
All pages are assembled together horizontally. It’s a premium feature.
Continuous horizontal
All pages are assembled together vertically. It’s a premium feature.

Bookmarks

In the premium version, bookmarks are useful when you need to find a particular page in a book. Add or remove a bookmark by long-pressing a thumbnail. A bookmark is materialized by this symbol on the thumbnail and by a clear dot on the progress bar. Use the progress bar to reach a bookmark.

Color corrections

To access the color correction options, do a long press on this symbol or go to the menu.

White balance
The white balance is very useful to improve old scans, it allows to whiten the pages yellowed by time, to revive the colors and to balance the light. If the image is really bad quality, you can use the progress bar to increase the hardness of the algorithm to also remove stains and transparency effects, do this as a last resort because it is destructive for the image.
White balance is useless on digital comics.
Vibrance
Vibrance is selective saturation. If increased, it saturates less saturated colors. If it is reduced, it desaturates the most saturated colors.
Gamma
The gamma can be adjusted on each RGB component or all at once.

Additional options

Lock rotation
Lock the screen rotation to the one currently in use.
Crop borders
Attempts to remove empty borders to save space. The aspect ratio of the image is preserved. The reason is that the images arrive asynchronously and if the aspect ratio of the image is different, then the layout must be recalculated and this causes very unpleasant jumps in the display.
Table of Contents
Displays the PDF’s table of contents. For archives it is the folder structure that is used to build the TOC and only if there are several sub-folders. This is useful when an archive contains several books. It is a premium feature.
Export the current page
The current page is exported to the Pictures/CDisplayEx folder. If the export is successful, a button appears to open the file.

Control Devices

Touch screen

Action Gesture
Move View Swipe
Zoom Pinch
Zoom In/ Zoom Out Double Tap
Scroll Double Tap + Hold

The screen is divided into nine areas to which you can assign different actions on a single press and a long press.

taps

Take a look at the control options in the settings

Mouse

The mouse is probably the most effective external device for using the reader interface.

The left and right buttons simulate touching the screen.

The mouse wheel has two modes of operation, the default one allows zooming to the area of the screen where the mouse pointer is located, and the second mode allows you to move forward or backward in the reading flow. You switch from one mode to another by clicking on the wheel.

Keyboard

Action Key
Previous Book F1
Next Book F2
Toggle mouse wheel mode. F3
First Page ↸ Home
Last Page ⭸ End
Previous Page ← Left ⇞ PgUp
Next Page → Right ⇟ PgDown
Go Backward ↑ Up
Go Forward ↓ Down
Go Back ← Backspace ESC
Control Interface ↲ Enter Menu
Zoom In + Add
Zoom Out - Less
Scroll Down Spacebar

Game pad

Action Button
Step Zoom Out L1 LB
Step Zoom In R1 RB
Zoom Out L2 LT
Zoom In R2 RB
Go Forward A
Go Backward B
Next Page X
Previous Page Y
Scroll DPAD
Control Interface START
Go Back SELECT BACK

S-PEN

In the premium version, the app supports Samsung’s S Pen stylus. By default the support is disabled, you must first make the stylus available to the application.

  1. Go to your device settings.
  2. Open menu Advanced features > S Pen > Air actions
  3. Touch the app icon and activate the button.
  4. Customize gestures if needed.

Windows 11 (WSA)

Keyboard, mouse, touchpad and gamepad are supported. However, there are some differences.

  • The right mouse button triggers a long press.
  • On a touchpad, two-fingers gestures allow you to go forward or backward, while in ChromeOS theses gestures allows you to move on the page.
  • Use the F11 key to enter full-screen immersive mode.