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". 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
parent
8a97e83a7b
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a3080eef18
27 changed files with 316 additions and 110 deletions
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@ -5,7 +5,7 @@
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Copyright © 2002-2021 by various contributors; see AUTHORS.
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http://www.tuxpaint.org/
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mayo 31, 2021
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septiembre 6, 2021
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----------------------------------------------------------------------
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@ -212,17 +212,26 @@ Brushes
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Add a line containing the word "directional" to the brush's data
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file.
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Animated Directional Brushes
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Rotating Brushes
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You may mix both animated and directional features into one brush.
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Use both options ("frames=N" and "directional"), in separate lines
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in the brush's ".dat" file.
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As of Tux Paint version 0.9.27, you may now create rotating brushes.
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As the brush is used, it is rotated 360 degrees, depending on the
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direction the brush is going.
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Lay the brush out so that each 3x3 set of directional shapes are
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laid out across a wide PNG image. For example, if the brush is 30x30
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and there are 5 frames, it would be 450x90. (The leftmost 150x90
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pixels of the image represent the 9 direction shapes for the first
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frame, for example.)
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Add a line containing the word "rotate" to the brush's data file.
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Animated Directional or Rotating Brushes
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You may mix both animated and either directional or rotating
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features into one brush. Use both options desired ("frames=N" and
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"directional" or "rotate"), in separate lines in the brush's ".dat"
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file.
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For directional brushes, lay the brush out so that each 3x3 set of
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directional shapes are laid out across a wide PNG image. For
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example, if the brush is 30x30 and there are 5 frames, it would be
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450x90. (The leftmost 150x90 pixels of the image represent the 9
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direction shapes for the first frame, for example.)
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Place the brush image PNGs (and any data text files) in the "brushes"
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directory.
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@ -37,9 +37,10 @@ Requirements
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Lesser General Public License (LGPL).
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Along with libSDL, Tux Paint depends on a number of other SDL 'helper'
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libraries: SDL_Image (for graphics files), SDL_TTF and (optionally)
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SDL_Pango (for True Type Font support) and, optionally, SDL_Mixer (for
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sound effects).
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libraries: SDL_Image (for graphics files), SDL_gfx (for some graphical
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functions, like rotation), SDL_TTF and (optionally) SDL_Pango (for
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True Type Font support) and, optionally, SDL_Mixer (for sound
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effects).
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Linux/Unix Users:
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@ -49,6 +50,9 @@ Requirements
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* libSDL: http://www.libsdl.org/
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* SDL_Image: http://www.libsdl.org/projects/SDL_image/
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* SDL_gfx:
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https://www.ferzkopp.net/wordpress/2016/01/02/sdl_gfx-sdl2_gfx/
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(https://sourceforge.net/projects/sdlgfx/)
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* SDL_TTF: http://www.libsdl.org/projects/SDL_ttf/
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* SDL_Pango: http://sourceforge.net/projects/sdlpango/ (optional)
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* SDL_Mixer: http://www.libsdl.org/projects/SDL_mixer/ (optional)
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@ -26,7 +26,7 @@
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</p>
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<p>
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mayo 31, 2021 </p>
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septiembre 6, 2021 </p>
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</center>
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<hr size="2"
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@ -367,14 +367,25 @@
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</blockquote>
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<h4>
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Animated Directional Brushes </h4>
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Rotating Brushes </h4>
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<blockquote>
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<p>
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You may mix both animated and directional features into one brush. Use both options ("<code><b>frames=<i>N</i></b></code>" and "<code><b>directional</b></code>"), in separate lines in the brush's "<code>.dat</code>" file. </p>
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As of Tux Paint version 0.9.27, you may now create rotating brushes. As the brush is used, it is rotated 360 degrees, depending on the direction the brush is going. </p>
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<p>
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Lay the brush out so that each 3x3 set of directional shapes are laid out across a wide PNG image. For example, if the brush is 30x30 and there are 5 frames, it would be 450x90. (The leftmost 150x90 pixels of the image represent the 9 direction shapes for the first frame, for example.) </p>
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Add a line containing the word "<code><b>rotate</b></code>" to the brush's data file. </p>
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</blockquote>
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<h4>
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Animated Directional or Rotating Brushes </h4>
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<blockquote>
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<p>
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You may mix both animated and either directional or rotating features into one brush. Use both options desired ("<code><b>frames=<i>N</i></b></code>" and "<code><b>directional</b></code>" or "<code><b>rotate</b></code>"), in separate lines in the brush's "<code>.dat</code>" file. </p>
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<p>
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For directional brushes, lay the brush out so that each 3x3 set of directional shapes are laid out across a wide PNG image. For example, if the brush is 30x30 and there are 5 frames, it would be 450x90. (The leftmost 150x90 pixels of the image represent the 9 direction shapes for the first frame, for example.) </p>
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</blockquote>
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</blockquote>
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@ -107,7 +107,7 @@
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Tux Paint requires the Simple DirectMedia Layer Library (libSDL), an Open Source multimedia programming library available under the GNU Lesser General Public License (LGPL). </p>
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<p>
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Along with libSDL, Tux Paint depends on a number of other SDL 'helper' libraries: SDL_Image (for graphics files), SDL_TTF and (optionally) SDL_Pango (for True Type Font support) and, optionally, SDL_Mixer (for sound effects). </p>
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Along with libSDL, Tux Paint depends on a number of other SDL 'helper' libraries: SDL_Image (for graphics files), SDL_gfx (for some graphical functions, like rotation), SDL_TTF and (optionally) SDL_Pango (for True Type Font support) and, optionally, SDL_Mixer (for sound effects). </p>
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<h4>Linux/Unix Users:</h4>
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<blockquote>
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@ -116,6 +116,7 @@
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<ul>
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<li>libSDL: <a href="http://www.libsdl.org/">http://www.libsdl.org/</a></li>
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<li>SDL_Image: <a href="http://www.libsdl.org/projects/SDL_image/">http://www.libsdl.org/projects/SDL_image/</a></li>
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<li>SDL_gfx: <a href="https://www.ferzkopp.net/wordpress/2016/01/02/sdl_gfx-sdl2_gfx/">https://www.ferzkopp.net/wordpress/2016/01/02/sdl_gfx-sdl2_gfx/</a> (<a href="https://sourceforge.net/projects/sdlgfx/">https://sourceforge.net/projects/sdlgfx/</a>)</li>
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<li>SDL_TTF: <a href="http://www.libsdl.org/projects/SDL_ttf/">http://www.libsdl.org/projects/SDL_ttf/</a></li>
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<li>SDL_Pango: <a href="http://sourceforge.net/projects/sdlpango/">http://sourceforge.net/projects/sdlpango/</a> (optional)</li>
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<li>SDL_Mixer: <a href="http://www.libsdl.org/projects/SDL_mixer/">http://www.libsdl.org/projects/SDL_mixer/</a> (optional)</li>
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