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WIP Rotational brushes now supported

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Unlike "directional" brushes, in which a 3x3 grid representing the
8 cardinal directions (45 degree steps) is used, only a single brush
image is required, and Tux Paint will rotate it between 0 and 360 degrees,
depending on the direction the mouse is going.

The brush's ".dat" file should contain a line consisting of the word
"rotate".

Note: This adds a dependency on "SDL_gfx" library (Homepage:
https://www.ferzkopp.net/wordpress/2016/01/02/sdl_gfx-sdl2_gfx/
SourceForge project page: https://sourceforge.net/projects/sdlgfx/)
as this feature use it's "rotozoom" functionality.

WIP -- Doesn't handle animated brushes correctly yet!

Closes https://sourceforge.net/p/tuxpaint/feature-requests/122/
This commit is contained in:
Bill Kendrick 2021-09-06 23:44:35 -07:00
parent 8a97e83a7b
commit a3080eef18
27 changed files with 316 additions and 110 deletions
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17
docs/CHANGES.txt
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@ -33,6 +33,23 @@ $Id$
* Other Improvements:
-------------------
* WIP Rotational brushes now supported. Unlike "directional"
brushes, in which a 3x3 grid representing the 8 cardinal
directions (45 degree steps) is used, only a single brush image
is required, and Tux Paint will rotate it between 0 and 360 degrees,
depending on the direction the mouse is going. The brush's ".dat"
file should contain a line consisting of the word "rotate".
* FIXME: WIP -- Doesn't handle animated brushes correctly!
* Note: This adds a dependency on "SDL_gfx" library
(Homepage: https://www.ferzkopp.net/wordpress/2016/01/02/sdl_gfx-sdl2_gfx/
SourceForge project page: https://sourceforge.net/projects/sdlgfx/)
as this feature use it's "rotozoom" functionality.
(Closes https://sourceforge.net/p/tuxpaint/feature-requests/122/)
* Replaced the "arrow_compass_points" brush with a single
arrow which can rotate at any angle, using the new
"rotational" brush feature.
* Small icons appear on brush selection buttons denoting
when the brush is animated and/or directional.
(Closes https://sourceforge.net/p/tuxpaint/bugs/183/)