1 files changed, 130 insertions, 0 deletions
diff --git a/rust/crates/timeline/src/defaults.rs b/rust/crates/timeline/src/defaults.rs
new file mode 100644
index 00000000..504bab92
--- /dev/null
+++ b/rust/crates/timeline/src/defaults.rs
@@ -0,0 +1,130 @@
+use scene::{ParamValue, ParamValues, TextElement};
+use time::MediaTime;
+
+use crate::creation::DEFAULT_NEW_ELEMENT_DURATION;
+
+pub const DEFAULT_OPACITY: f64 = 1.0;
+pub const DEFAULT_BLEND_MODE: &str = "normal";
+pub const DEFAULT_VOLUME: f64 = 0.0;
+pub const DEFAULT_TRANSFORM_SCALE: f64 = 1.0;
+pub const DEFAULT_TRANSFORM_POSITION: f64 = 0.0;
+pub const DEFAULT_TRANSFORM_ROTATE: f64 = 0.0;
+
+pub const DEFAULT_TEXT_LETTER_SPACING: f64 = 0.0;
+pub const DEFAULT_TEXT_LINE_HEIGHT: f64 = 1.2;
+
+#[derive(Clone, Debug, PartialEq)]
+pub struct DefaultTextBackground {
+    pub enabled: bool,
+    pub color: String,
+    pub corner_radius: f64,
+    pub padding_x: f64,
+    pub padding_y: f64,
+    pub offset_x: f64,
+    pub offset_y: f64,
+}
+
+pub fn default_text_background() -> DefaultTextBackground {
+    DefaultTextBackground {
+        enabled: false,
+        color: "#000000".to_string(),
+        corner_radius: 0.0,
+        padding_x: 30.0,
+        padding_y: 42.0,
+        offset_x: 0.0,
+        offset_y: 0.0,
+    }
+}
+
+pub fn default_text_params() -> ParamValues {
+    let background = default_text_background();
+    ParamValues::from([
+        ("content".to_string(), ParamValue::String("Default text".to_string())),
+        ("fontSize".to_string(), ParamValue::Number(15.0)),
+        ("fontFamily".to_string(), ParamValue::String("Arial".to_string())),
+        ("color".to_string(), ParamValue::String("#ffffff".to_string())),
+        ("textAlign".to_string(), ParamValue::String("center".to_string())),
+        ("fontWeight".to_string(), ParamValue::String("normal".to_string())),
+        ("fontStyle".to_string(), ParamValue::String("normal".to_string())),
+        ("textDecoration".to_string(), ParamValue::String("none".to_string())),
+        (
+            "letterSpacing".to_string(),
+            ParamValue::Number(DEFAULT_TEXT_LETTER_SPACING),
+        ),
+        (
+            "lineHeight".to_string(),
+            ParamValue::Number(DEFAULT_TEXT_LINE_HEIGHT),
+        ),
+        (
+            "background.enabled".to_string(),
+            ParamValue::Bool(background.enabled),
+        ),
+        (
+            "background.color".to_string(),
+            ParamValue::String(background.color),
+        ),
+        (
+            "background.cornerRadius".to_string(),
+            ParamValue::Number(background.corner_radius),
+        ),
+        (
+            "background.paddingX".to_string(),
+            ParamValue::Number(background.padding_x),
+        ),
+        (
+            "background.paddingY".to_string(),
+            ParamValue::Number(background.padding_y),
+        ),
+        (
+            "background.offsetX".to_string(),
+            ParamValue::Number(background.offset_x),
+        ),
+        (
+            "background.offsetY".to_string(),
+            ParamValue::Number(background.offset_y),
+        ),
+        (
+            "transform.positionX".to_string(),
+            ParamValue::Number(DEFAULT_TRANSFORM_POSITION),
+        ),
+        (
+            "transform.positionY".to_string(),
+            ParamValue::Number(DEFAULT_TRANSFORM_POSITION),
+        ),
+        (
+            "transform.scaleX".to_string(),
+            ParamValue::Number(DEFAULT_TRANSFORM_SCALE),
+        ),
+        (
+            "transform.scaleY".to_string(),
+            ParamValue::Number(DEFAULT_TRANSFORM_SCALE),
+        ),
+        (
+            "transform.rotate".to_string(),
+            ParamValue::Number(DEFAULT_TRANSFORM_ROTATE),
+        ),
+        ("opacity".to_string(), ParamValue::Number(DEFAULT_OPACITY)),
+        (
+            "blendMode".to_string(),
+            ParamValue::String(DEFAULT_BLEND_MODE.to_string()),
+        ),
+    ])
+}
+
+pub fn default_text_element(id: impl Into<String>) -> TextElement {
+    TextElement {
+        base: scene::BaseTimelineElement {
+            id: id.into(),
+            name: "Text".to_string(),
+            duration: DEFAULT_NEW_ELEMENT_DURATION,
+            start_time: MediaTime::ZERO,
+            trim_start: MediaTime::ZERO,
+            trim_end: MediaTime::ZERO,
+            source_duration: None,
+            animations: None,
+            params: default_text_params(),
+        },
+        hidden: None,
+        effects: None,
+    }
+}