Inline hippo's glcomponents

* Replace android support with androidx as well

app/src/main/java/com/hippo/glview/glrenderer/FadeInTexture.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2011 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 com.hippo.glview.glrenderer;
+
+
+import android.graphics.RectF;
+
+// FadeInTexture is a texture which begins with a color, then gradually animates
+// into a given texture.
+public class FadeInTexture extends FadeTexture implements Texture {
+
+    private final int mColor;
+    private final TiledTexture mTexture;
+
+    public FadeInTexture(int color, TiledTexture texture) {
+        super(texture.getWidth(), texture.getHeight(), texture.isOpaque());
+        mColor = color;
+        mTexture = texture;
+    }
+
+    @Override
+    public void draw(GLCanvas canvas, int x, int y, int w, int h) {
+        if (isAnimating()) {
+            mTexture.drawMixed(canvas, mColor, getRatio(), x, y, w, h);
+        } else {
+            mTexture.draw(canvas, x, y, w, h);
+        }
+    }
+
+    @Override
+    public void draw(GLCanvas canvas, RectF source, RectF target) {
+        if (isAnimating()) {
+            mTexture.drawMixed(canvas, mColor, getRatio(), source, target);
+        } else {
+            mTexture.draw(canvas, source, target);
+        }
+    }
+}