feat: add .pixel() API

thx · Jun 24, 2022 · f1fbf97 · f1fbf97
1 parent 6240299
commit f1fbf97
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Showing 3 changed files with 20 additions and 1 deletion.
diff --git a/example/index.js b/example/index.js
@@ -28,7 +28,10 @@ async function main() {
   const pngBuffer = pngData.asPng()
 
   console.info('Original SVG Size:', `${resvg.width} x ${resvg.height}`)
-  console.info('Output PNG Size  :', `${pngData.width} x ${pngData.height}`)
+  // console.info('Output PNG Size  :', `${pngData.width} x ${pngData.height}`)
+  // console.info('pixmap  :', `${pngData.pixel}`)
+
+  console.info(typeof pngData.pixel)
   console.info('✨ Done in', performance.now() - t, 'ms')
 
   await promises.writeFile(join(__dirname, './text-out.png'), pngBuffer)

diff --git a/js-binding.d.ts b/js-binding.d.ts
@@ -43,6 +43,8 @@ export class Resvg {
 export class RenderedImage {
   /** Write the image data to Buffer */
   asPng(): Buffer
+  /** Get Pixmap */
+  get pixel(): Buffer
   /** Get the PNG width */
   get width(): number
   /** Get the PNG height */

diff --git a/src/lib.rs b/src/lib.rs
@@ -107,6 +107,20 @@ impl RenderedImage {
         Ok(buffer.as_slice().into())
     }
 
+    /// Get pixel data
+    #[cfg(target_arch = "wasm32")]
+    pub fn pixel(&self) -> js_sys::Uint8Array {
+        self.pix.data().into()
+    }
+
+    /// Get pixel data
+    #[cfg(not(target_arch = "wasm32"))]
+    #[napi(getter)]
+    pub fn pixel(&self) -> Result<Buffer, NapiError> {
+        let buffer = self.pix.data();
+        Ok(buffer.into())
+    }
+
     #[cfg(not(target_arch = "wasm32"))]
     #[napi(getter)]
     /// Get the PNG width