added DST, EXP, JEF, VP3

rustitch/src/lib.rs

@@ -1,12 +1,37 @@
-pub mod pes;
-mod render;
+pub mod error;
+pub mod format;
+pub mod palette;
+pub mod types;
 
+pub mod pes;
+
+mod render;
+mod resolve;
+
+pub use error::Error;
+pub use format::Format;
 pub use render::render_thumbnail;
+pub use types::{BoundingBox, ResolvedDesign, StitchCommand, StitchSegment};
 
 /// Parse a PES file and render a thumbnail PNG of the given size.
-pub fn thumbnail(pes_data: &[u8], size: u32) -> Result<Vec<u8>, pes::Error> {
+pub fn thumbnail(pes_data: &[u8], size: u32) -> Result<Vec<u8>, Error> {
     let design = pes::parse(pes_data)?;
     let resolved = pes::resolve(&design)?;
-    let png_bytes = render::render_thumbnail(&resolved, size)?;
-    Ok(png_bytes)
+    render::render_thumbnail(&resolved, size)
+}
+
+/// Parse any supported format and render a thumbnail PNG.
+pub fn thumbnail_format(data: &[u8], size: u32, fmt: Format) -> Result<Vec<u8>, Error> {
+    let resolved = parse_and_resolve(data, fmt)?;
+    render::render_thumbnail(&resolved, size)
+}
+
+fn parse_and_resolve(data: &[u8], fmt: Format) -> Result<ResolvedDesign, Error> {
+    match fmt {
+        Format::Pes => {
+            let design = pes::parse(data)?;
+            pes::resolve(&design)
+        }
+        _ => Err(Error::UnsupportedFormat),
+    }
 }