Isolate SpriteIcon into its own file.

This is to isolate differences between internal master and AOSP so that
the open source intern can work on a relatively new project.

It also isolates a divergent piece of code into SpriteIcon.cpp.

Bug: None
Test: Pointer icons in ApiDemos still work.
Change-Id: I1bf8f23411ad7170de2497d6fee0f70b015e9b5f
Merged-In: I1bf8f23411ad7170de2497d6fee0f70b015e9b5f
(cherry picked from commit 7e3457e593f417eb7a5a55d301b3d5f5dd1debdf)

1 files changed, 61 insertions, 0 deletions

diff --git a/libs/input/SpriteIcon.h b/libs/input/SpriteIcon.h
new file mode 100644
index 000000000000..a257d7e89ebc
--- /dev/null
+++ b/libs/input/SpriteIcon.h
@@ -0,0 +1,61 @@
+/*
+ * 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 <android/graphics/bitmap.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 graphics::Bitmap& bitmap, int32_t style, float hotSpotX, float hotSpotY)
+          : bitmap(bitmap), style(style), hotSpotX(hotSpotX), hotSpotY(hotSpotY) {}
+
+    graphics::Bitmap bitmap;
+    int32_t style;
+    float hotSpotX;
+    float hotSpotY;
+
+    inline SpriteIcon copy() const {
+        return SpriteIcon(bitmap.copy(ANDROID_BITMAP_FORMAT_RGBA_8888), style, hotSpotX, hotSpotY);
+    }
+
+    inline void reset() {
+        bitmap.reset();
+        style = 0;
+        hotSpotX = 0;
+        hotSpotY = 0;
+    }
+
+    inline bool isValid() const { return bitmap.isValid() && !bitmap.isEmpty(); }
+
+    inline int32_t width() const { return bitmap.getInfo().width; }
+    inline int32_t height() const { return bitmap.getInfo().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