original

[gb-231r1-is01/GB_2.3_IS01.git] / cts / tests / tests / graphics / src / android / graphics / cts / ComposePathEffectTest.java

diff --git a/cts/tests/tests/graphics/src/android/graphics/cts/ComposePathEffectTest.java b/cts/tests/tests/graphics/src/android/graphics/cts/ComposePathEffectTest.java
new file mode 100644 (file)
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+++ b/cts/tests/tests/graphics/src/android/graphics/cts/ComposePathEffectTest.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * 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 android.graphics.cts;
+
+import dalvik.annotation.TestLevel;
+import dalvik.annotation.TestTargetClass;
+import dalvik.annotation.TestTargetNew;
+
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.ComposePathEffect;
+import android.graphics.DashPathEffect;
+import android.graphics.Paint;
+import android.graphics.Path;
+import android.graphics.PathEffect;
+import android.graphics.Bitmap.Config;
+
+import junit.framework.TestCase;
+
+@TestTargetClass(ComposePathEffect.class)
+public class ComposePathEffectTest extends TestCase {
+    private static final int BITMAP_WIDTH = 110;
+    private static final int BITMAP_HEIGHT = 20;
+    private static final int START_X = 10;
+    private static final int END_X = BITMAP_WIDTH - 10;
+    private static final int CENTER = BITMAP_HEIGHT / 2;
+
+    @TestTargetNew(
+        level = TestLevel.COMPLETE,
+        method = "ComposePathEffect",
+        args = {PathEffect.class, PathEffect.class}
+    )
+    public void testComposePathEffect() {
+        Path path = new Path();
+        path.moveTo(START_X, CENTER);
+        path.lineTo(END_X, CENTER);
+
+        // ----- ----- ----- -----
+        PathEffect innerEffect = new DashPathEffect(new float[] {25, 5}, 0);
+        // outer effect is applied to every segment of the inner effect
+        // --- --- --- ---
+        PathEffect outerEffect = new DashPathEffect(new float[] {15, 5}, 0);
+        // --- - --- - --- - --- -
+        PathEffect composedEffect = new ComposePathEffect(outerEffect, innerEffect);
+        // --- - --- - --- - --- -
+        PathEffect expectedEffect = new DashPathEffect(new float[] {15, 5, 5, 5}, 0);
+
+        Bitmap actual = Bitmap.createBitmap(BITMAP_WIDTH, BITMAP_HEIGHT, Config.ARGB_8888);
+        Canvas canvas = new Canvas(actual);
+        Paint paint = makePaint();
+        paint.setPathEffect(composedEffect);
+        canvas.drawPath(path, paint);
+
+        Bitmap expected = Bitmap.createBitmap(BITMAP_WIDTH, BITMAP_HEIGHT, Config.ARGB_8888);
+        canvas = new Canvas(expected);
+        paint = makePaint();
+        paint.setPathEffect(expectedEffect);
+        canvas.drawPath(path, paint);
+
+        for (int y = 0; y < BITMAP_HEIGHT; y++) {
+            for (int x = 0; x < BITMAP_WIDTH; x++) {
+                assertEquals(expected.getPixel(x, y), actual.getPixel(x, y));
+            }
+        }
+    }
+
+    private Paint makePaint() {
+        Paint paint = new Paint();
+        paint.setColor(Color.GREEN);
+        paint.setStyle(Paint.Style.STROKE);
+        paint.setStrokeWidth(0);
+        return paint;
+    }
+}