test all extend modes

Signed-off-by: sagudev <[email protected]>

Author: sagudev

vello_tests/tests/known_issues.rs

@@ -12,12 +12,13 @@
     clippy::allow_attributes_without_reason
 )]
 
+use scenes::ImageCache;
 use vello::{
-    Scene,
+    AaConfig, Scene,
     kurbo::{Affine, Rect},
-    peniko::{ImageFormat, color::palette},
+    peniko::{Extend, ImageFormat, ImageQuality, color::palette},
 };
-use vello_tests::TestParams;
+use vello_tests::{TestParams, smoke_snapshot_test_sync};
 
 /// A reproduction of <https://github.com/linebender/vello/issues/680>
 fn many_bins(use_cpu: bool) {
@@ -76,3 +77,43 @@ fn many_bins_gpu() {
 fn many_bins_cpu() {
     many_bins(true);
 }
+
+const DATA_IMAGE_PNG: &[u8] = include_bytes!("../snapshots/smoke/data_image_roundtrip.png");
+
+/// Test for <https://github.com/linebender/vello/issues/972>
+#[test]
+#[should_panic]
+fn test_data_image_roundtrip_extend_reflect() {
+    let mut scene = Scene::new();
+    let mut images = ImageCache::new();
+    let image = images
+        .from_bytes(0, DATA_IMAGE_PNG)
+        .unwrap()
+        .with_quality(ImageQuality::Low)
+        .with_extend(Extend::Reflect);
+    scene.draw_image(&image, Affine::IDENTITY);
+    let mut params = TestParams::new("data_image_roundtrip", image.width, image.height);
+    params.anti_aliasing = AaConfig::Area;
+    smoke_snapshot_test_sync(scene, &params)
+        .unwrap()
+        .assert_mean_less_than(0.001);
+}
+
+/// Test for <https://github.com/linebender/vello/issues/972>
+#[test]
+#[should_panic]
+fn test_data_image_roundtrip_extend_repeat() {
+    let mut scene = Scene::new();
+    let mut images = ImageCache::new();
+    let image = images
+        .from_bytes(0, DATA_IMAGE_PNG)
+        .unwrap()
+        .with_quality(ImageQuality::Low)
+        .with_extend(Extend::Repeat);
+    scene.draw_image(&image, Affine::IDENTITY);
+    let mut params = TestParams::new("data_image_roundtrip", image.width, image.height);
+    params.anti_aliasing = AaConfig::Area;
+    smoke_snapshot_test_sync(scene, &params)
+        .unwrap()
+        .assert_mean_less_than(0.001);
+}

vello_tests/tests/regression.rs

@@ -7,7 +7,7 @@ use scenes::ImageCache;
 use vello::{
     AaConfig, Scene,
     kurbo::{Affine, RoundedRect, Stroke},
-    peniko::{ImageQuality, color::palette},
+    peniko::{Extend, ImageQuality, color::palette},
 };
 use vello_tests::{TestParams, smoke_snapshot_test_sync, snapshot_test_sync};
 
@@ -30,13 +30,14 @@ const DATA_IMAGE_PNG: &[u8] = include_bytes!("../snapshots/smoke/data_image_roun
 
 /// Test for <https://github.com/linebender/vello/issues/972>
 #[test]
-fn test_data_image_roundtrip() {
+fn test_data_image_roundtrip_extend_pad() {
     let mut scene = Scene::new();
     let mut images = ImageCache::new();
     let image = images
         .from_bytes(0, DATA_IMAGE_PNG)
         .unwrap()
-        .with_quality(ImageQuality::Low);
+        .with_quality(ImageQuality::Low)
+        .with_extend(Extend::Pad);
     scene.draw_image(&image, Affine::IDENTITY);
     let mut params = TestParams::new("data_image_roundtrip", image.width, image.height);
     params.anti_aliasing = AaConfig::Area;