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/*
* 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
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