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_pattern.h"
17
18 #ifndef USE_ROSEN_DRAWING
19 #include "include/core/SkImage.h"
20 #include "include/core/SkPicture.h"
21 #include "include/core/SkPictureRecorder.h"
22 #include "include/core/SkShader.h"
23 #endif
24
25 #include "frameworks/core/components/common/painter/rosen_svg_painter.h"
26 #include "frameworks/core/components/transform/rosen_render_transform.h"
27
28 namespace OHOS::Ace {
29
Paint(RenderContext & context,const Offset & offset)30 void RosenRenderSvgPattern::Paint(RenderContext& context, const Offset& offset)
31 {
32 return;
33 }
34
35 #ifndef USE_ROSEN_DRAWING
OnAsPaint(const Offset & offset,const Rect & paintRect,SkPaint & skPaint)36 bool RosenRenderSvgPattern::OnAsPaint(const Offset& offset, const Rect& paintRect, SkPaint& skPaint)
37 {
38 Rect tileRect;
39 SkMatrix skMatrix4;
40 if (!FitAttribute(paintRect, tileRect, skMatrix4)) {
41 LOGW("fit attribute fail.");
42 return false;
43 }
44
45 RosenRenderContext rosenContext;
46 FitRenderContext(rosenContext, tileRect);
47 PaintDirectly(rosenContext, offset);
48
49 auto skPicture = rosenContext.FinishRecordingAsPicture();
50 if (!skPicture) {
51 return false;
52 }
53
54 SkRect skRect = SkRect::MakeXYWH(tileRect.Left(), tileRect.Top(), tileRect.Width(), tileRect.Height());
55 skPaint.setShader(
56 skPicture->makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat, SkFilterMode::kNearest, &skMatrix4, &skRect));
57
58 return true;
59 }
60 #else
OnAsPaint(const Offset & offset,const Rect & paintRect,RSPen * rsPen,RSBrush * rsBrush)61 bool RosenRenderSvgPattern::OnAsPaint(const Offset& offset, const Rect& paintRect, RSPen* rsPen, RSBrush* rsBrush)
62 {
63 Rect tileRect;
64 RSMatrix matrix4;
65 if (!FitAttribute(paintRect, tileRect, matrix4)) {
66 LOGW("fit attribute fail.");
67 return false;
68 }
69
70 RosenRenderContext rosenContext;
71 FitRenderContext(rosenContext, tileRect);
72 PaintDirectly(rosenContext, offset);
73
74 auto rsPicture = rosenContext.FinishRecordingAsPicture();
75 if (!rsPicture) {
76 return false;
77 }
78
79 RSRect rect = RSRect(tileRect.Left(), tileRect.Top(), tileRect.Right(), tileRect.Bottom());
80 auto shaderEffect = RSRecordingShaderEffect::CreatePictureShader(
81 *rsPicture, RSTileMode::REPEAT, RSTileMode::REPEAT, RSFilterMode::NEAREST, matrix4, rect);
82
83 if (rsPen != nullptr) {
84 rsPen->SetShaderEffect(shaderEffect);
85 }
86 if (rsBrush != nullptr) {
87 rsBrush->SetShaderEffect(shaderEffect);
88 }
89 return true;
90 }
91 #endif
92
93 #ifndef USE_ROSEN_DRAWING
FitAttribute(const Rect & paintRect,Rect & tileRect,SkMatrix & skMatrix4)94 bool RosenRenderSvgPattern::FitAttribute(const Rect& paintRect, Rect& tileRect, SkMatrix& skMatrix4)
95 #else
96 bool RosenRenderSvgPattern::FitAttribute(const Rect& paintRect, Rect& tileRect, RSMatrix& matrix4)
97 #endif
98 {
99 if (LessOrEqual(width_.Value(), 0.0) || LessOrEqual(height_.Value(), 0.0)) {
100 return false;
101 }
102 tileRect = Rect(ParseUnitsAttr(x_, paintRect.Width()), ParseUnitsAttr(y_, paintRect.Height()),
103 ParseUnitsAttr(width_, paintRect.Width()), ParseUnitsAttr(height_, paintRect.Height()));
104
105 if (NearZero(viewBox_.Width()) || NearZero(viewBox_.Height())) {
106 ResetAttrOffset();
107 return true;
108 }
109 scaleX_ = tileRect.Width() / viewBox_.Width();
110 scaleY_ = tileRect.Height() / viewBox_.Height();
111 scale_ = std::min(scaleX_, scaleY_);
112 tx_ = tileRect.Width() * 0.5 - (viewBox_.Width() * 0.5 + viewBox_.Left()) * scale_;
113 ty_ = tileRect.Height() * 0.5 - (viewBox_.Height() * 0.5 + viewBox_.Top()) * scale_;
114
115 #ifndef USE_ROSEN_DRAWING
116 skMatrix4 = RosenSvgPainter::ToSkMatrix(GetTransform(tileRect));
117 #else
118 matrix4 = RosenSvgPainter::ToDrawingMatrix(GetTransform(tileRect));
119 #endif
120 return true;
121 }
122
GetTransform(const Rect & patternRect) const123 const Matrix4 RosenRenderSvgPattern::GetTransform(const Rect& patternRect) const
124 {
125 auto transformInfo = (!animateTransformAttrs_.empty()) ? SvgTransform::CreateInfoFromMap(animateTransformAttrs_)
126 : SvgTransform::CreateInfoFromString(transform_);
127 if (!NearZero(patternRect.Left()) || !NearZero(patternRect.Top())) {
128 transformInfo.matrix4 =
129 Matrix4::CreateTranslate(patternRect.Left(), patternRect.Top(), 0) * transformInfo.matrix4;
130 }
131
132 if (transformInfo.hasRotateCenter) {
133 transformInfo.matrix4 =
134 RosenRenderTransform::GetTransformByOffset(transformInfo.matrix4, transformInfo.rotateCenter);
135 }
136
137 transformInfo.matrix4 = RosenRenderTransform::GetTransformByOffset(transformInfo.matrix4, GetGlobalOffset());
138 return transformInfo.matrix4;
139 }
140
FitRenderContext(RosenRenderContext & context,const Rect & patternRect)141 void RosenRenderSvgPattern::FitRenderContext(RosenRenderContext& context, const Rect& patternRect)
142 {
143 Rect rect(patternRect.Left(), patternRect.Top(), patternRect.Width() / scaleX_, patternRect.Height() / scaleY_);
144 context.InitContext(GetRSNode(), rect);
145 context.StartRecording();
146
147 auto* canvas = context.GetCanvas();
148 if (!canvas) {
149 LOGE("Paint canvas is null");
150 return;
151 }
152 #ifndef USE_ROSEN_DRAWING
153 canvas->scale(SkDoubleToScalar(scale_), SkDoubleToScalar(scale_));
154 #else
155 canvas->Scale(SkDoubleToScalar(scale_), SkDoubleToScalar(scale_));
156 #endif
157 }
158
ResetAttrOffset()159 void RosenRenderSvgPattern::ResetAttrOffset()
160 {
161 scaleY_ = 1.0f;
162 scaleX_ = 1.0f;
163 scale_ = 1.0f;
164 tx_ = 0.0f;
165 ty_ = 0.0f;
166 }
167
168 } // namespace OHOS::Ace
169