v/examples/viewer/README.md

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# vviewer
Image viewer for V
This is an example of a simple image viewer written in V.
## Usage
The program can be invoked by the command line:
file list: `viewer img1.jpg inmg2.bmp img3.tga`
folder list: `viewer folder1 folder2`
zip list: `viewer folder1.zip folder2.zip`
All folders/zips are scanned for images.
The user can mix files, folders, and zips.
mixed list: `viewer img1.jpg img2.bmp folder1 folder2 img2.tga folder1.zip`
## Interactive usage
Run the viewer then drag and drop files,folders and zips on it.
## Accepted image format
JPEG, PNG, BMP, PSD, TGA, GIF (not animated), HDR, PIC, PNM
#### Functions
The user can navigate through the files passed to the viewer.
The following operations can be performed on each image:
- **Pan**, move over the image
- **Zoom**, magnify or reduce the image
- **Rotate**, rotate by 90 degree steps
## Key bindings
**H** - show this help
**ESC/q** - Quit
**cursor right** - Next image
**cursor left** - Previous image
**cursor up** - Next folder
**cursor down** - Previous folder
**F** - Toggle full screen
**R** - Rotate image of 90 degree
**I** - Toggle the info text
**mouse wheel** - next/previous images
Hold **left Mouse button** - Pan on the image
Hold **right Mouse button** - Zoom on the image
#### Author:
Dario Deledda 2021 (c)