Bind Skottie's Animation Builder

[mattleibow]

Description of Change

This PR adds a few of the essential APIs to enable loading embedded files in the Lottie animation. Currently, there is just the support for file-based and data URI-based assets.

SkiaSharp Issue

Related to mono/SkiaSharp#2173

API Changes

typedef enum {
    NONE_SKOTTIE_ANIMATION_BUILDER_FLAGS = 0,
    DEFER_IMAGE_LOADING_SKOTTIE_ANIMATION_BUILDER_FLAGS = 0x01,
    PREFER_EMBEDDED_FONTS_SKOTTIE_ANIMATION_BUILDER_FLAGS = 0x02,
} skottie_animation_builder_flags_t;

typedef struct {
    float fTotalLoadTimeMS;
    float fJsonParseTimeMS;
    float fSceneParseTimeMS;
    size_t fJsonSize;
    size_t fAnimatorCount;
} skottie_animation_builder_stats_t;

SK_C_API skottie_animation_builder_t* skottie_animation_builder_new(skottie_animation_builder_flags_t flags);
SK_C_API void skottie_animation_builder_delete(skottie_animation_builder_t *instance);
SK_C_API void skottie_animation_builder_get_stats(skottie_animation_builder_t* instance, skottie_animation_builder_stats_t* stats);
SK_C_API void skottie_animation_builder_set_resource_provider(skottie_animation_builder_t* instance, skottie_resource_provider_t* resourceProvider);
SK_C_API void skottie_animation_builder_set_font_manager(skottie_animation_builder_t* instance, sk_fontmgr_t* fontManager);
SK_C_API skottie_animation_t* skottie_animation_builder_make_from_stream(skottie_animation_builder_t* instance, sk_stream_t* stream);
SK_C_API skottie_animation_t* skottie_animation_builder_make_from_file(skottie_animation_builder_t* instance, const char* path);
SK_C_API skottie_animation_t* skottie_animation_builder_make_from_string(skottie_animation_builder_t* instance, const char* data, size_t length);
SK_C_API skottie_animation_t* skottie_animation_builder_make_from_data(skottie_animation_builder_t* instance, const char* data, size_t length);

SK_C_API void skresources_resource_provider_ref(skresources_resource_provider_t* instance);
SK_C_API void skresources_resource_provider_unref(skresources_resource_provider_t* instance);
SK_C_API void skresources_resource_provider_delete(skresources_resource_provider_t *instance);
SK_C_API sk_data_t* skresources_resource_provider_load(skresources_resource_provider_t *instance, const char* path, const char* name);
SK_C_API skresources_image_asset_t* skresources_resource_provider_load_image_asset(skresources_resource_provider_t *instance, const char* path, const char* name, const char* id);
SK_C_API skresources_external_track_asset_t* skresources_resource_provider_load_audio_asset(skresources_resource_provider_t *instance, const char* path, const char* name, const char* id);
SK_C_API sk_typeface_t* skresources_resource_provider_load_typeface(skresources_resource_provider_t *instance, const char* name, const char* url);
SK_C_API skresources_resource_provider_t* skresources_file_resource_provider_make(sk_string_t* base_dir, bool predecode);
SK_C_API skresources_resource_provider_t* skresources_caching_resource_provider_proxy_make(skresources_resource_provider_t* rp);
SK_C_API skresources_resource_provider_t* skresources_data_uri_resource_provider_proxy_make(skresources_resource_provider_t* rp, bool predecode);

Behavioral Changes

None.

Required SkiaSharp PR

Requires mono/SkiaSharp#2630

PR Checklist

• Rebased on top of skiasharp at time of PR
• Changes adhere to coding standard
• Updated documentation

[MarkIngramUK]

@mattleibow , is this PR waiting on anything? I'm excited to see mono/SkiaSharp#2173 land.