platform_frameworks_base/libs/input/SpriteIcon.h

62 lines
1.9 KiB
C++

/*
* 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