fix: slice the data in case it exceeds the size of the display

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## Version 0.9.7
+
+- fix: slice the data in case it exceeds the size of the display
+
 ## Version 0.9.6
 
 - fix: make it compatible with kivy 3

headless_kivy/__init__.py

@@ -28,6 +28,7 @@
 from kivy.graphics.gl_instructions import ClearBuffers, ClearColor
 from kivy.graphics.instructions import Canvas
 from kivy.graphics.vertex_instructions import Rectangle
+from kivy.metrics import dp
 from kivy.properties import ObjectProperty
 from kivy.uix.widget import Widget
 
@@ -253,10 +254,11 @@ def render_on_display(self: HeadlessWidget, *_: object) -> None:
         except Empty:
             last_thread = None
 
-        height = int(self.height)
-        width = int(self.width)
+        height = min(int(self.height), dp(config.height()) - self.y)
+        width = min(int(self.width), dp(config.width()) - self.x)
 
-        data = data.reshape(height, width, -1)
+        data = data.reshape(int(self.height), int(self.width), -1)
+        data = data[:height, :width, :]
         data = apply_tranformations(data)
 
         if config.rotation() % 2 == 0:

headless_kivy/config.py

@@ -79,9 +79,6 @@ def setup_headless_kivy(config: SetupHeadlessConfig) -> None:
     ---------
     config: `SetupHeadlessConfig`
 
-    splash_screen: `bytes`
-        it should have a length of `width` x `height` x 2
-
     """
     global _config  # noqa: PLW0603
     _config = config

headless_kivy_pytest/fixtures/snapshot.py

@@ -152,13 +152,13 @@ def close(self: WindowSnapshot) -> None:
             assert not hash_path.exists(), f'Snapshot {filename} not taken'
 
 
-@pytest.fixture()
+@pytest.fixture
 def snapshot_prefix() -> str | None:
     """Return the prefix for the snapshots."""
     return None
 
 
-@pytest.fixture()
+@pytest.fixture
 def window_snapshot(
     request: SubRequest,
     snapshot_prefix: str | None,

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "headless-kivy"
-version = "0.9.6"
+version = "0.9.7"
 description = "Headless renderer for Kivy framework"
 authors = ["Sassan Haradji <[email protected]>"]
 license = "Apache-2.0"
@@ -26,8 +26,8 @@ test = ['pypng']
 
 [tool.poetry.group.dev.dependencies]
 poethepoet = "^0.24.2"
-ruff = "^0.5.0"
-pyright = "^1.1.370"
+ruff = "^0.6.1"
+pyright = "^1.1.376"
 pytest = "^8.2.2"
 
 [build-system]