add svg_read support (basic)

src/rgb_luminance_source_test_case.rs

@@ -0,0 +1,75 @@
+/*
+ * Copyright 2014 ZXing authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// package com.google.zxing;
+
+// import org.junit.Assert;
+// import org.junit.Test;
+
+// /**
+//  * Tests {@link RGBLuminanceSource}.
+//  */
+// public final class RGBLuminanceSourceTestCase extends Assert {
+
+use crate::{LuminanceSource, RGBLuminanceSource};
+
+const SRC_DATA: [u32; 9] = [
+    0x000000, 0x7F7F7F, 0xFFFFFF, 0xFF0000, 0x00FF00, 0x0000FF, 0x0000FF, 0x00FF00, 0xFF0000,
+];
+
+#[test]
+fn testCrop() {
+    let SOURCE = RGBLuminanceSource::new_with_width_height_pixels(3, 3, SRC_DATA.as_ref());
+
+    assert!(SOURCE.isCropSupported());
+    let cropped = SOURCE.crop(1, 1, 1, 1).unwrap();
+    assert_eq!(1, cropped.getHeight());
+    assert_eq!(1, cropped.getWidth());
+    assert_eq!(vec![0x7F], cropped.getRow(0));
+}
+
+#[test]
+fn testMatrix() {
+    let SOURCE = RGBLuminanceSource::new_with_width_height_pixels(3, 3, SRC_DATA.as_ref());
+
+    assert_eq!(
+        vec![0x00, 0x7F, 0xFF, 0x3F, 0x7F, 0x3F, 0x3F, 0x7F, 0x3F],
+        SOURCE.getMatrix()
+    );
+    let croppedFullWidth = SOURCE.crop(0, 1, 3, 2).unwrap();
+    assert_eq!(
+        vec![0x3F, 0x7F, 0x3F, 0x3F, 0x7F, 0x3F],
+        croppedFullWidth.getMatrix()
+    );
+    let croppedCorner = SOURCE.crop(1, 1, 2, 2).unwrap();
+    assert_eq!(vec![0x7F, 0x3F, 0x7F, 0x3F], croppedCorner.getMatrix());
+}
+
+#[test]
+fn testGetRow() {
+    let SOURCE = RGBLuminanceSource::new_with_width_height_pixels(3, 3, SRC_DATA.as_ref());
+
+    assert_eq!(vec![0x3F, 0x7F, 0x3F], SOURCE.getRow(2));
+}
+
+// #[test]
+// fn testToString() {
+//   let SOURCE = RGBLuminanceSource::new_with_width_height_pixels(3,3,&src_data.to_vec());
+
+//   assert_eq!("#+ \n#+#\n#+#\n", SOURCE.toString());
+// }
+
+// }