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afbd3b2d96
Here we avoid copying and clearing pixels that will not be used in the whole tool loop process. Changes: * Add several member functions in ToolLoop to validate/invalidate regions of source/destination images so we know what regions are safe to use by inks and can be shown in the editor * Add new DocumentObserver::onExposeSpritePixels() member to validate pixels that will be displayed in the editor * Add Ink::needs/createSpecialSourceArea() member functions to validate extra areas for inks like blur or jumble * Add undoers::ModifiedRegion to save the undo information about the modified region * Add ShowHideDrawingCursor class * Change "blur" tool policy from overlap to accumulate (This is a real fix for issue #239)
Aseprite Source Code
If you are here is because you want to learn about Aseprite source
code. We'll try to write in these README.md files a summary of each
module/library.
Modules & Libraries
Aseprite is separated in the following layers/modules:
Level 0: Completely independent modules
These libraries are easy to be used and embedded in other software because they don't depend on any other component.
- allegro: Modified version of Allegro library, used for keyboard/mouse input, and drawing 2D graphics on screen.
- base: Core/basic stuff, multithreading, utf8, sha1, file system, memory, etc.
- css: Pseudo-style sheet library.
- gfx: Abstract graphics structures like point, size, rectangle, region, color, etc.
- scripting: JavaScript engine (V8).
- undo: Generic library to manage undo history of undoable actions.
Level 1
- cfg (base): Library to load/save .ini files.
- doc (base, gfx): Document model library.
- gen (base): Helper utility to generate C++ files from different XMLs.
- net (base): Networking library to send HTTP requests.
- she (base, gfx, allegro): A wrapper for the Allegro library.
- webserver (base): HTTP web server (based on mongoose)
Level 2
- filters (base, doc, gfx): Effects for images.
- ui (base, gfx, she): Portable UI library (buttons, windows, text fields, etc.)
- updater (base, net): Component to check for updates.
Level 3
- iff (base, doc): Image File Formats library (load/save documents).
Level 4
- app (allegro, base, doc, filters, gfx, iff, scripting, she, ui, undo, updater, webserver)
Level 5
- main (app, base, she, ui)