fix: apply rotations and flips and drop alpha channel on data before …

…storing it in `raw_data`

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## Version 0.9.2
+
+- fix: apply rotations and flips and drop alpha channel on data before storing it
+  in `raw_data`
+
 ## Version 0.9.1
 
 - fix: consider alpha channel in the data stored in `raw_data` field of `HeadlessWidget`

headless_kivy/__init__.py

@@ -244,9 +244,16 @@ def render_on_display(self: HeadlessWidget, *_: object) -> None:
         except Empty:
             last_thread = None
 
+        data = data.reshape(self.width, self.height, -1)[:, :, :3].astype(np.uint16)
+        data = np.rot90(data, config.rotation())
+        if config.flip_horizontal():
+            data = np.fliplr(data)
+        if config.flip_vertical():
+            data = np.flipud(data)
+
         HeadlessWidget.raw_data[self.x : self.x + self.width][
             self.y : self.y + self.height
-        ] = data.reshape(self.width, self.height, -1)
+        ] = data
 
         thread = Thread(
             target=config.callback(),

headless_kivy/config.py

@@ -109,7 +109,7 @@ def setup_headless_kivy(config: SetupHeadlessConfig) -> None:
     from headless_kivy import HeadlessWidget
 
     HeadlessWidget.raw_data = np.zeros(
-        (int(dp(width())), int(dp(height())), 4),
+        (width(), height(), 3),
         dtype=np.uint8,
     )
 

headless_kivy_pytest/fixtures/snapshot.py

@@ -22,6 +22,7 @@ def write_image(image_path: Path, array: NDArray) -> None:
     import png
 
     png.Writer(
+        alpha=False,
         width=array.shape[0],
         height=array.shape[1],
         greyscale=False,  # pyright: ignore [reportArgumentType]

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "headless-kivy"
-version = "0.9.1"
+version = "0.9.2"
 description = "Headless renderer for Kivy framework"
 authors = ["Sassan Haradji <[email protected]>"]
 license = "Apache-2.0"