1 files changed, 67 insertions, 0 deletions
diff --git a/libs/input/SpriteIcon.h b/libs/input/SpriteIcon.h
new file mode 100644
index 000000000000..c535faf624f7
--- /dev/null
+++ b/libs/input/SpriteIcon.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#ifndef _UI_SPRITE_ICON_H
+#define _UI_SPRITE_ICON_H
+
+#include <SkBitmap.h>
+#include <gui/Surface.h>
+
+namespace android {
+
+/*
+ * Icon that a sprite displays, including its hotspot.
+ */
+struct SpriteIcon {
+    inline SpriteIcon() : style(0), hotSpotX(0), hotSpotY(0) { }
+    inline SpriteIcon(const SkBitmap& bitmap, int32_t style, float hotSpotX, float hotSpotY) :
+            bitmap(bitmap), style(style), hotSpotX(hotSpotX), hotSpotY(hotSpotY) { }
+
+    SkBitmap bitmap;
+    int32_t style;
+    float hotSpotX;
+    float hotSpotY;
+
+    inline SpriteIcon copy() const {
+        SkBitmap bitmapCopy;
+        if (bitmapCopy.tryAllocPixels(bitmap.info().makeColorType(kN32_SkColorType))) {
+            bitmap.readPixels(bitmapCopy.info(), bitmapCopy.getPixels(), bitmapCopy.rowBytes(),
+                    0, 0);
+        }
+        return SpriteIcon(bitmapCopy, style, hotSpotX, hotSpotY);
+    }
+
+    inline void reset() {
+        bitmap.reset();
+        style = 0;
+        hotSpotX = 0;
+        hotSpotY = 0;
+    }
+
+    inline bool isValid() const { return !bitmap.isNull() && !bitmap.empty(); }
+
+    inline int32_t width() const { return bitmap.width(); }
+    inline int32_t height() const { return bitmap.height(); }
+
+    // Draw the bitmap onto the given surface. Returns true if it's successful, or false otherwise.
+    // Note it doesn't set any metadata to the surface.
+    bool draw(const sp<Surface> surface) const;
+};
+
+
+} // namespace android
+
+#endif // _UI_SPRITE_ICON_H