61 lines
1.9 KiB
C++
61 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "SpriteIcon.h"
|
||
|
|
|
||
|
|
#include <android/graphics/bitmap.h>
|
||
|
|
#include <android/graphics/canvas.h>
|
||
|
|
#include <android/graphics/paint.h>
|
||
|
|
#include <android/native_window.h>
|
||
|
|
#include <log/log.h>
|
||
|
|
|
||
|
|
namespace android {
|
||
|
|
|
||
|
|
bool SpriteIcon::draw(sp<Surface> surface) const {
|
||
|
|
ANativeWindow_Buffer outBuffer;
|
||
|
|
status_t status = surface->lock(&outBuffer, NULL);
|
||
|
|
if (status) {
|
||
|
|
ALOGE("Error %d locking sprite surface before drawing.", status);
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
graphics::Paint paint;
|
||
|
|
paint.setBlendMode(ABLEND_MODE_SRC);
|
||
|
|
|
||
|
|
graphics::Canvas canvas(outBuffer, (int32_t)surface->getBuffersDataSpace());
|
||
|
|
canvas.drawBitmap(bitmap, 0, 0, &paint);
|
||
|
|
|
||
|
|
const int iconWidth = width();
|
||
|
|
const int iconHeight = height();
|
||
|
|
|
||
|
|
if (outBuffer.width > iconWidth) {
|
||
|
|
paint.setBlendMode(ABLEND_MODE_CLEAR); // clear to transparent
|
||
|
|
canvas.drawRect({iconWidth, 0, outBuffer.width, iconHeight}, paint);
|
||
|
|
}
|
||
|
|
if (outBuffer.height > iconHeight) {
|
||
|
|
paint.setBlendMode(ABLEND_MODE_CLEAR); // clear to transparent
|
||
|
|
canvas.drawRect({0, iconHeight, outBuffer.width, outBuffer.height}, paint);
|
||
|
|
}
|
||
|
|
|
||
|
|
status = surface->unlockAndPost();
|
||
|
|
if (status) {
|
||
|
|
ALOGE("Error %d unlocking and posting sprite surface after drawing.", status);
|
||
|
|
}
|
||
|
|
return !status;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace android
|