Version 1 of Graphical Window Sprites (for Glulx only) by Erik Temple begins here.

"Graphical Window Sprites provides a framework for displaying 'sprites,' discrete programming objects that allow multiple images to be easily organized, individually scaled, and drawn in composite to a Glulx graphical window. The extension should be useful for many applications, including the construction of dynamic maps, visual puzzles, games such as poker or tic-tac-toe, visual scenes and narratives, and graphical user interfaces."

Include Simple Graphical Window by Emily Short.
Include Fixed Point Maths by Michael Callaghan.

Use preloaded sprites translates as (- Constant PRELOAD_SPRITES; -).

• Part 1 - Sprite Definition
• Part 2 - Backgrounds and Scaling
• Part 3 - Drawing Rules
• Part 3a - Sprite Drawing and Hyperlink Management (for use with Graphic Links by Jeff Sheets)
• Part 3b - Sprite Drawing (for use without Graphic Links by Jeff Sheets)
• Part 4 - Preload sprite sizes
• Part 5 - Coordinate Manipulation
• Part 6 - Silent Replacement Commands
• Part 7 - Debugging commands (for use with Permanent Debugging by Erik Temple)
• Section 7.1 - Debugging Graphlinks (for use with Graphic Links by Jeff Sheets)
• Part 8 - Debugging commands (for use without Permanent Debugging by Erik Temple)
• Chapter 8.1 - Debugging Sprites (not for release)
• Chapter 8.2 - Debugging Graphlinks (for use with Graphic Links by Jeff Sheets)
• Section 8.2.1 - Debugging Graphlinks (not for release)
• Part 9 - Workaround for handling empty windows
• Part 10 - Timer-based drawing
• Part 11 - Control over quitting the game