add image method to python lib

Author: catilac

crates/processing_pyo3/examples/background_image.py

@@ -0,0 +1,12 @@
+from processing import *
+
+def setup():
+    size(800, 600)
+
+def draw():
+    background(220)
+    image("images/logo.png")
+
+
+# TODO: this should happen implicitly on module load somehow
+run()

crates/processing_pyo3/src/graphics.rs

@@ -122,6 +122,12 @@ impl Graphics {
         .map_err(|e| PyRuntimeError::new_err(format!("{e}")))
     }
 
+    pub fn image(&self, file: &str) -> PyResult<()> {
+        let image = image_load(file).unwrap();
+        graphics_record_command(self.entity, DrawCommand::BackgroundImage(image))
+            .map_err(|e| PyRuntimeError::new_err(format!("{e}")))
+    }
+
     pub fn push_matrix(&self) -> PyResult<()> {
         graphics_record_command(self.entity, DrawCommand::PushMatrix)
             .map_err(|e| PyRuntimeError::new_err(format!("{e}")))

crates/processing_pyo3/src/lib.rs

@@ -26,6 +26,7 @@ fn processing(m: &Bound<'_, PyModule>) -> PyResult<()> {
     m.add_function(wrap_pyfunction!(no_stroke, m)?)?;
     m.add_function(wrap_pyfunction!(stroke_weight, m)?)?;
     m.add_function(wrap_pyfunction!(rect, m)?)?;
+    m.add_function(wrap_pyfunction!(image, m)?)?;
     Ok(())
 }
 
@@ -122,3 +123,9 @@ fn rect(
 ) -> PyResult<()> {
     get_graphics(module)?.rect(x, y, w, h, tl, tr, br, bl)
 }
+
+#[pyfunction]
+#[pyo3(pass_module, signature = (image_file))]
+fn image(module: &Bound<'_, PyModule>, image_file: &str) -> PyResult<()> {
+    get_graphics(module)?.image(image_file)
+}