PyQtPaint 0.1.0

A library the uses PyQt5 for setting up apps with a window to programatically draw in.

PyQtPaint

This is still a work in progress, but basic functionality is present. A library of boilerplate code using the PyQt5 library. Used for creating a window to draw in and having an application and update thread. Also comes with some predefined objects to add to the window for drawing.

Modules

• PyQtPaint.app: Contains the App abstract class for running the window and updates to it.

• PyQtPaint.form: Contains the PainterWindow class of which objects can be added and removed from it. These objects will be painted on every update call.

• PyQtPaint.objects: Contains the PainterObject abstract class which descendants will have paint methods and other styling methods for customizing the object.

Examples:

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• tree_app.py
• mouse_app.py

Usage:

The expected way to use this library to to create a class that extends App. The subclass can override various methods inside of App and there are options for further customization.

App Options:

These will be keyword arguments that are passed into the super constructor.

• auto_update: Defaults to True; determines if an asynchronous thread should be made and ran
• fps: Defaults to 30; will be the amount of times the update method is called in a second
• mouse_tracking: Defaults to False; Will not capture mouse movements unless a button is down when False
• title: Defaults to Painter Window; The title to be displayed on the window
• fullscreen: Defaults to False; If True the window will be in fullscreen mode
• size: The size of the window as a tuple (width, height)
• width: Defaults to 600; If not size the width of the window
• height: Defaults to 600; If not size the height of the window
• position: Defaults to (0, 0); Where the window should be placed on the screen
• render_hint: Defaults to QPainter.Antialiasing; The render hint the window should use when painting
• background: Defaults to QBrush(Qt.black); The QBrush the background should use

Methods to override:

Standard:

• setup_objects:
  • Automatically called in the constructor
  • Where the initial painter objects should be added to the window
• update:
  • When auto_update is true will be called asynchronously multiple times a second based on fps
  • When auto_update is false call update manually when you need a repaint

Events:

They will all have an event parameter

Keys:

• keyPress
• keyRelease

Mouse:

• mousePress
• mouseRelease
• mouseDouble
• mouseMove
• mouseEnter
• mouseLeave
• mouseWheel