1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "frameworks/core/components/svg/rosen_render_svg.h"
17
18 #include "render_service_client/core/ui/rs_node.h"
19
20 #include "frameworks/core/components/transform/rosen_render_transform.h"
21
22 namespace OHOS::Ace {
23
Paint(RenderContext & context,const Offset & offset)24 void RosenRenderSvg::Paint(RenderContext& context, const Offset& offset)
25 {
26 auto rsNode = static_cast<RosenRenderContext*>(&context)->GetRSNode();
27 if (rsNode == nullptr) {
28 return;
29 }
30 rsNode->SetAlpha(rootOpacity_ / 255.0);
31 UpdateTransformByGlobalOffset(rsNode);
32 RenderNode::Paint(context, offset);
33 }
34
UpdateTransformByGlobalOffset(const std::shared_ptr<RSNode> & rsNode)35 void RosenRenderSvg::UpdateTransformByGlobalOffset(const std::shared_ptr<RSNode>& rsNode)
36 {
37 if (rsNode == nullptr) {
38 return;
39 }
40 if (GreatNotEqual(viewBox_.Width(), 0.0) && GreatNotEqual(viewBox_.Height(), 0.0)) {
41 double scale =
42 std::min(GetLayoutSize().Width() / viewBox_.Width(), GetLayoutSize().Height() / viewBox_.Height());
43 double tx = GetLayoutSize().Width() * 0.5 - (viewBox_.Width() * 0.5 + viewBox_.Left()) * scale;
44 double ty = GetLayoutSize().Height() * 0.5 - (viewBox_.Height() * 0.5 + viewBox_.Top()) * scale;
45 rsNode->SetScale(scale);
46 rsNode->SetTranslate({ tx, ty });
47
48 double pivotX = ConvertDimensionToPx(transformOrigin_.first, LengthType::HORIZONTAL, true) / viewBox_.Width();
49 double pivotY = ConvertDimensionToPx(transformOrigin_.second, LengthType::VERTICAL, true) / viewBox_.Height();
50 rsNode->SetPivot(pivotX, pivotY);
51 }
52 }
53
54 } // namespace OHOS::Ace
55