diff options
| author | Fabio Alessandrelli <fabio.alessandrelli@gmail.com> | 2022-07-08 15:01:02 +0200 |
|---|---|---|
| committer | Fabio Alessandrelli <fabio.alessandrelli@gmail.com> | 2022-09-20 02:01:57 +0200 |
| commit | e8fc6bfeb53801447de25c12ba7536f574d121f4 (patch) | |
| tree | 02545c2dc51b761e4125a2296d7ac7631d74c766 /doc | |
| parent | 6f5704d86f95171ba8b6b2ac9f56e284c4d35d7a (diff) | |
[Core] Make ImageFormatLoader extensible.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/classes/ImageFormatLoader.xml | 19 | ||||
| -rw-r--r-- | doc/classes/ImageFormatLoaderExtension.xml | 42 |
2 files changed, 61 insertions, 0 deletions
diff --git a/doc/classes/ImageFormatLoader.xml b/doc/classes/ImageFormatLoader.xml new file mode 100644 index 0000000000..c6b1ec922a --- /dev/null +++ b/doc/classes/ImageFormatLoader.xml @@ -0,0 +1,19 @@ +<?xml version="1.0" encoding="UTF-8" ?> +<class name="ImageFormatLoader" inherits="RefCounted" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd"> + <brief_description> + Base class to add support for specific image formats. + </brief_description> + <description> + The engine supports multiple image formats out of the box (PNG, SVG, JPEG, WebP to name a few), but you can choose to implement support for additional image formats by extending [ImageFormatLoaderExtension]. + </description> + <tutorials> + </tutorials> + <constants> + <constant name="FLAG_NONE" value="0" enum="LoaderFlags" is_bitfield="true"> + </constant> + <constant name="FLAG_FORCE_LINEAR" value="1" enum="LoaderFlags" is_bitfield="true"> + </constant> + <constant name="FLAG_CONVERT_COLORS" value="2" enum="LoaderFlags" is_bitfield="true"> + </constant> + </constants> +</class> diff --git a/doc/classes/ImageFormatLoaderExtension.xml b/doc/classes/ImageFormatLoaderExtension.xml new file mode 100644 index 0000000000..b2a7ebc60f --- /dev/null +++ b/doc/classes/ImageFormatLoaderExtension.xml @@ -0,0 +1,42 @@ +<?xml version="1.0" encoding="UTF-8" ?> +<class name="ImageFormatLoaderExtension" inherits="ImageFormatLoader" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd"> + <brief_description> + Base class for creating [ImageFormatLoader] extensions (adding support for extra image formats). + </brief_description> + <description> + The engine supports multiple image formats out of the box (PNG, SVG, JPEG, WebP to name a few), but you can choose to implement support for additional image formats by extending this class. + Be sure to respect the documented return types and values. You should create an instance of it, and call [method add_format_loader] to register that loader during the initializaiton phase. + </description> + <tutorials> + </tutorials> + <methods> + <method name="_get_recognized_extensions" qualifiers="virtual const"> + <return type="PackedStringArray" /> + <description> + Returns the list of file extensions for this image format. Files with the given extentions will be treated as image file and loaded using this class. + </description> + </method> + <method name="_load_image" qualifiers="virtual"> + <return type="int" enum="Error" /> + <param index="0" name="image" type="Image" /> + <param index="1" name="fileaccess" type="FileAccess" /> + <param index="2" name="flags" type="int" enum="ImageFormatLoader.LoaderFlags" /> + <param index="3" name="scale" type="float" /> + <description> + Loads the content of [param fileaccess] into the provided [param image]. + </description> + </method> + <method name="add_format_loader"> + <return type="void" /> + <description> + Add this format loader to the engine, allowing it to recognize the file extensions returned by [method _get_recognized_extensions]. + </description> + </method> + <method name="remove_format_loader"> + <return type="void" /> + <description> + Remove this format loader from the engine. + </description> + </method> + </methods> +</class> |