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godot-gifexporter

This plugin is now depracated in favor of pure GDScript implementation by jegor377 https://github.com/jegor377/godot-gdgifexporter

Plugin adding a GifExporter singleton enabling export of Image objects as a GIF file. Currently supports Windows and Linux, both 32 and 64 bit.

Installation:

1. Clone this repository into your Godot projects addons folder - GDNative builds are already included in the repository.
2. Enable this plugin in Project Settings.
3. A new node GifExporter will now become available.

Usage:

First create a new instance of GifExport node. Then you can call these methods:

1. Starts gif export:

GifExporter.begin_export(filename: String, width: int, height: int, frame_delay: float, loop_count: int = 0, bit_depth: int = 8, dither: bool = false) -> bool

• filename - full path with a filename ('/home/user/anim.gif')
• width, height - default frame dimmensions
• frame_delay - default delay between animation frames
• loop_count - how many times is animation repeated - 0 is infinite
• bit_depth - default frame color bit depth
• dither - default apply dithering algorithm to frames

The function returns false if it's called on an unsupported platform, true otherwise.

2. Adds a frame to gif:

GifExporter.write_frame(frame : Image, background_color : Color, frame_delay : float, bit_depth : int = 8, dither : bool = false)

• frame - Godot::Image object to write to file
• background_color - GIF don't support transparency - background color is applied as the background layer
• frame_delay - delay of this frame
• bit_depth - bit depth of this frame
• dither - apply dithering algorithm to frame

3. Finish gif exporting:

GifExporter.end_export()

Compilation on Linux:

1. Init and compile godot_cpp submodule

• Linux target uses GCC by default
• scons platform=linux generate_bindings=yes target=release bits=32
• scons platform=linux generate_bindings=yes target=release bits=64
• Windows target requires mingw32 (on Arch in AUR as mingw-w64-gcc package)
• scons platform=windows generate_bindings=yes target=release bits=32
• scons platform=windows generate_bindings=yes target=release bits=64

2. Compile gifexporter

• I assume all prerequisities from the previous step are installed
• scons p=x11 bits=32
• scons p=x11 bits=64
• scons p=windows bits=32
• scons p=windows bits=64
  • Windows libraries in bin/win have to have their suffix changed to .dll

3. Strip all resulting binaries of symbols with strip tool to greatly reduce size (godot-cpp seems to include a lot of symbols even in the release build)

Changes to gifanimcplusplus

• This plugin uses https://github.com/fyngyrz/gifanimcplusplus
• Added includes of cstding and cstring libraries to gifanim.h