61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "SpriteIcon.h"
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#include <android/graphics/bitmap.h>
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#include <android/graphics/canvas.h>
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#include <android/graphics/paint.h>
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#include <android/native_window.h>
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#include <log/log.h>
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namespace android {
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bool SpriteIcon::draw(sp<Surface> surface) const {
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ANativeWindow_Buffer outBuffer;
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status_t status = surface->lock(&outBuffer, NULL);
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if (status) {
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ALOGE("Error %d locking sprite surface before drawing.", status);
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return false;
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}
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graphics::Paint paint;
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paint.setBlendMode(ABLEND_MODE_SRC);
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graphics::Canvas canvas(outBuffer, (int32_t)surface->getBuffersDataSpace());
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canvas.drawBitmap(bitmap, 0, 0, &paint);
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const int iconWidth = width();
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const int iconHeight = height();
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if (outBuffer.width > iconWidth) {
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paint.setBlendMode(ABLEND_MODE_CLEAR); // clear to transparent
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canvas.drawRect({iconWidth, 0, outBuffer.width, iconHeight}, paint);
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}
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if (outBuffer.height > iconHeight) {
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paint.setBlendMode(ABLEND_MODE_CLEAR); // clear to transparent
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canvas.drawRect({0, iconHeight, outBuffer.width, outBuffer.height}, paint);
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}
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status = surface->unlockAndPost();
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if (status) {
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ALOGE("Error %d unlocking and posting sprite surface after drawing.", status);
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}
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return !status;
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}
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} // namespace android
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