ParaPara

Description

ParaPara is an image viewer created with lightweight and high-speed operation in mind.

It is supposed to be linked to the extension and opened by double-clicking from your favorite file manager.

By displaying the two images on the left and right, you can also see manga in a two-page spread. You can switch between right-to-left and left-to-right page turning.

Flatpak builds

You can install stable builds of ParaPara from Flathub by using this command:

flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
flatpak install flathub com.github.aharotias2.parapara

Screenshot

Spread display is also possible.

continuous mode (vertical).

continuous mode (horizontal).

Key Combinations

General key combinations.

• Ctrl + N
  Open new window.
• Ctrl + W
  Close this window.
• Ctrl + Q
  Close all windows and quit this application.
• Ctrl + O
  Choose an image on your file system and open it.
• ← (left arrow key)
  go backward (if the sort order is ascending)
  go forward (if the sort order is descending)
• → (right arrow key)
  go forward (if the sort order is ascending)
  go backward (if the sort order is descending)

Shortcut key in single view mode

• Ctrl + S
  Save this picture.
• Ctrl + Shift + S
  Save this picture as another name.
• Ctrl + 0
  Show this picture as original size
• Ctrl + 1
  Show this picture as fitting this window.
• Ctrl + +
  Zoom in
• Ctrl + -
  Zoom out
• Ctrl + H
  Invert horizontally
• Ctrl + V
  Invert vertically
• Ctrl + R
  Rotate 90 degrees clockwise
• Ctrl + L
  Rotate 90 degrees counterclockwise
• Ctrl + E
  Resize this picture. You can save it later.

Buttons in dual view mode

• 
  Move two page to the left.
• 
  Move one page to the left.
• 
  Move one page to the right
• 
  Move two page to the right
• 
  Switch "from right to left" reading.
• 
  Switch "from left to right" reading.

Building and Installation

You'll need the following dependencies:

• GCC
• Python3
• Meson build system
• GTK+3 (in Ubuntu, install libgtk-3-dev)
• Vala compiler (0.40 or later)
• Gee (libgee-0.8 or later) (in Ubuntu install libgee-0.8-dev)
• Granite (in Ubuntu install libgranite-dev)

Run meson build to configure the build environment. Add the build option -DDEBUG=true to log debug messages to a file. Change to the build directory and run ninja to build

meson build --prefix=/usr
cd build
ninja

To install, use ninja install, then execute with com.github.aharotias2.parapara

ninja install
com.github.aharotias2.parapara