/* * Copyright (c) 2020-2021 Huawei Device Co., Ltd. * 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 "draw/draw_curve.h" #include "animator/interpolation.h" #include "engines/gfx/gfx_engine_manager.h" namespace OHOS { void DrawCurve::DrawCubicBezier(BufferInfo& gfxDstBuffer, const Point& start, const Point& control1, const Point& control2, const Point& end, const Rect& mask, int16_t width, const ColorType& color, OpacityType opacity) { if ((width == 0) || (opacity == OPA_TRANSPARENT)) { return; } Point prePoint = start; for (int16_t t = 1; t <= INTERPOLATION_RANGE; t++) { Point point; point.x = Interpolation::GetBezierInterpolation(t, start.x, control1.x, control2.x, end.x); point.y = Interpolation::GetBezierInterpolation(t, start.y, control1.y, control2.y, end.y); if ((prePoint.x == point.x) && (prePoint.y == point.y)) { continue; } BaseGfxEngine::GetInstance()->DrawLine(gfxDstBuffer, prePoint, point, mask, width, color, opacity); prePoint = point; } } }