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1 /*
2  * Copyright (c) 2022 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 "core/components_ng/property/measure_utils.h"
17 
18 #include <memory>
19 #include <optional>
20 
21 #include "base/geometry/ng/size_t.h"
22 #include "base/geometry/size.h"
23 #include "base/log/log.h"
24 #include "base/utils/utils.h"
25 #include "core/components_ng/property/measure_property.h"
26 
27 namespace OHOS::Ace::NG {
ConvertToSize(const CalcSize & size,const ScaleProperty & scaleProperty,const SizeF & percentReference)28 SizeF ConvertToSize(const CalcSize& size, const ScaleProperty& scaleProperty, const SizeF& percentReference)
29 {
30     auto width = ConvertToPx(size.Width(), scaleProperty, percentReference.Width());
31     auto height = ConvertToPx(size.Height(), scaleProperty, percentReference.Height());
32     return { width.value_or(-1.0f), height.value_or(-1.0f) };
33 }
34 
ConvertToOptionalSize(const CalcSize & size,const ScaleProperty & scaleProperty,const SizeF & percentReference)35 OptionalSizeF ConvertToOptionalSize(
36     const CalcSize& size, const ScaleProperty& scaleProperty, const SizeF& percentReference)
37 {
38     auto width = ConvertToPx(size.Width(), scaleProperty, percentReference.Width());
39     auto height = ConvertToPx(size.Height(), scaleProperty, percentReference.Height());
40     return { width, height };
41 }
42 
ConvertToPx(const CalcLength & value,const ScaleProperty & scaleProperty,float percentReference)43 std::optional<float> ConvertToPx(const CalcLength& value, const ScaleProperty& scaleProperty, float percentReference)
44 {
45     double result = -1.0;
46     if (!value.NormalizeToPx(
47             scaleProperty.vpScale, scaleProperty.fpScale, scaleProperty.lpxScale, percentReference, result)) {
48         LOGE("fail to Convert CalcDimension To Px: %{public}f, %{public}f, %{public}f, %{public}f",
49             scaleProperty.vpScale, scaleProperty.fpScale, scaleProperty.lpxScale, percentReference);
50         return std::nullopt;
51     }
52     return static_cast<float>(result);
53 }
54 
ConvertToPx(const std::optional<CalcLength> & value,const ScaleProperty & scaleProperty,float percentReference)55 std::optional<float> ConvertToPx(
56     const std::optional<CalcLength>& value, const ScaleProperty& scaleProperty, float percentReference)
57 {
58     if (!value) {
59         return std::nullopt;
60     }
61     double result = -1.0;
62     if (!value.value().NormalizeToPx(
63             scaleProperty.vpScale, scaleProperty.fpScale, scaleProperty.lpxScale, percentReference, result)) {
64         LOGE("optional: fail to Convert CalcDimension To Px: %{public}f, %{public}f, %{public}f, %{public}f",
65             scaleProperty.vpScale, scaleProperty.fpScale, scaleProperty.lpxScale, percentReference);
66         return std::nullopt;
67     }
68     return static_cast<float>(result);
69 }
70 
ConvertToPx(const Dimension & dimension,const ScaleProperty & scaleProperty,float percentReference)71 std::optional<float> ConvertToPx(const Dimension& dimension, const ScaleProperty& scaleProperty, float percentReference)
72 {
73     double result = -1.0;
74     if (!dimension.NormalizeToPx(
75             scaleProperty.vpScale, scaleProperty.fpScale, scaleProperty.lpxScale, percentReference, result)) {
76         LOGE("fail to Convert dimension To Px: %{public}f, %{public}f, %{public}f, %{public}f", scaleProperty.vpScale,
77             scaleProperty.fpScale, scaleProperty.lpxScale, percentReference);
78         return std::nullopt;
79     }
80     return static_cast<float>(result);
81 }
82 
ConvertToPx(const std::optional<Dimension> & dimension,const ScaleProperty & scaleProperty,float percentReference)83 std::optional<float> ConvertToPx(
84     const std::optional<Dimension>& dimension, const ScaleProperty& scaleProperty, float percentReference)
85 {
86     if (!dimension) {
87         return std::nullopt;
88     }
89     double result = -1.0;
90     if (!dimension.value().NormalizeToPx(
91             scaleProperty.vpScale, scaleProperty.fpScale, scaleProperty.lpxScale, percentReference, result)) {
92         LOGE("fail to Convert dimension To Px: %{public}f, %{public}f, %{public}f, %{public}f", scaleProperty.vpScale,
93             scaleProperty.fpScale, scaleProperty.lpxScale, percentReference);
94         return std::nullopt;
95     }
96     return static_cast<float>(result);
97 }
98 
ConstrainSize(const SizeF & size,const SizeF & minSize,const SizeF & maxSize)99 SizeF ConstrainSize(const SizeF& size, const SizeF& minSize, const SizeF& maxSize)
100 {
101     float height = std::max(minSize.Height(), size.Height());
102     if (maxSize.Height() > 0) {
103         height = std::min(maxSize.Height(), height);
104     }
105     float width = std::max(minSize.Width(), size.Width());
106     if (maxSize.Width() > 0) {
107         width = std::min(maxSize.Width(), width);
108     }
109     return { width, height };
110 }
111 
ConvertToPaddingPropertyF(const std::unique_ptr<PaddingProperty> & padding,const ScaleProperty & scaleProperty,float percentReference)112 PaddingPropertyF ConvertToPaddingPropertyF(
113     const std::unique_ptr<PaddingProperty>& padding, const ScaleProperty& scaleProperty, float percentReference)
114 {
115     if (!padding) {
116         return {};
117     }
118     return ConvertToPaddingPropertyF(*padding, scaleProperty, percentReference);
119 }
120 
ConvertToPaddingPropertyF(const PaddingProperty & padding,const ScaleProperty & scaleProperty,float percentReference)121 PaddingPropertyF ConvertToPaddingPropertyF(
122     const PaddingProperty& padding, const ScaleProperty& scaleProperty, float percentReference)
123 {
124     auto left = ConvertToPx(padding.left, scaleProperty, percentReference);
125     auto right = ConvertToPx(padding.right, scaleProperty, percentReference);
126     auto top = ConvertToPx(padding.top, scaleProperty, percentReference);
127     auto bottom = ConvertToPx(padding.bottom, scaleProperty, percentReference);
128     return PaddingPropertyF { left, right, top, bottom };
129 }
130 
ConvertToMarginPropertyF(const std::unique_ptr<MarginProperty> & margin,const ScaleProperty & scaleProperty,float percentReference)131 MarginPropertyF ConvertToMarginPropertyF(
132     const std::unique_ptr<MarginProperty>& margin, const ScaleProperty& scaleProperty, float percentReference)
133 {
134     return ConvertToPaddingPropertyF(margin, scaleProperty, percentReference);
135 }
136 
ConvertToMarginPropertyF(const MarginProperty & margin,const ScaleProperty & scaleProperty,float percentReference)137 MarginPropertyF ConvertToMarginPropertyF(
138     const MarginProperty& margin, const ScaleProperty& scaleProperty, float percentReference)
139 {
140     return ConvertToPaddingPropertyF(margin, scaleProperty, percentReference);
141 }
142 
ConvertToBorderWidthPropertyF(const std::unique_ptr<BorderWidthProperty> & borderWidth,const ScaleProperty & scaleProperty,float percentReference)143 BorderWidthPropertyF ConvertToBorderWidthPropertyF(
144     const std::unique_ptr<BorderWidthProperty>& borderWidth, const ScaleProperty& scaleProperty, float percentReference)
145 {
146     if (!borderWidth) {
147         return {};
148     }
149     return ConvertToBorderWidthPropertyF(*borderWidth, scaleProperty, percentReference);
150 }
151 
ConvertToBorderWidthPropertyF(const BorderWidthProperty & borderWidth,const ScaleProperty & scaleProperty,float percentReference)152 BorderWidthPropertyF ConvertToBorderWidthPropertyF(
153     const BorderWidthProperty& borderWidth, const ScaleProperty& scaleProperty, float percentReference)
154 {
155     auto left = ConvertToPx(borderWidth.leftDimen, scaleProperty, percentReference);
156     auto right = ConvertToPx(borderWidth.rightDimen, scaleProperty, percentReference);
157     auto top = ConvertToPx(borderWidth.topDimen, scaleProperty, percentReference);
158     auto bottom = ConvertToPx(borderWidth.bottomDimen, scaleProperty, percentReference);
159 
160     return BorderWidthPropertyF { left, top, right, bottom };
161 }
162 
UpdatePaddingPropertyF(const PaddingProperty & padding,const ScaleProperty & scaleProperty,const SizeF & selfSize,PaddingPropertyF & paddingValue)163 void UpdatePaddingPropertyF(const PaddingProperty& padding, const ScaleProperty& scaleProperty, const SizeF& selfSize,
164     PaddingPropertyF& paddingValue)
165 {
166     auto left = ConvertToPx(padding.left, scaleProperty, selfSize.Width());
167     auto right = ConvertToPx(padding.right, scaleProperty, selfSize.Width());
168     auto top = ConvertToPx(padding.top, scaleProperty, selfSize.Height());
169     auto bottom = ConvertToPx(padding.bottom, scaleProperty, selfSize.Height());
170     if (left.has_value()) {
171         paddingValue.left = left;
172     }
173     if (right.has_value()) {
174         paddingValue.right = right;
175     }
176     if (top.has_value()) {
177         paddingValue.top = top;
178     }
179     if (bottom.has_value()) {
180         paddingValue.bottom = bottom;
181     }
182 }
183 
AddPaddingToSize(const PaddingPropertyF & padding,SizeF & size)184 void AddPaddingToSize(const PaddingPropertyF& padding, SizeF& size)
185 {
186     size.AddPadding(padding.left, padding.right, padding.top, padding.bottom);
187 }
188 
MinusPaddingToSize(const PaddingPropertyF & padding,SizeF & size)189 void MinusPaddingToSize(const PaddingPropertyF& padding, SizeF& size)
190 {
191     size.MinusPadding(padding.left, padding.right, padding.top, padding.bottom);
192 }
193 
AddPaddingToSize(const PaddingPropertyF & padding,OptionalSizeF & size)194 void AddPaddingToSize(const PaddingPropertyF& padding, OptionalSizeF& size)
195 {
196     size.AddPadding(padding.left, padding.right, padding.top, padding.bottom);
197 }
198 
MinusPaddingToSize(const PaddingPropertyF & padding,OptionalSizeF & size)199 void MinusPaddingToSize(const PaddingPropertyF& padding, OptionalSizeF& size)
200 {
201     size.MinusPadding(padding.left, padding.right, padding.top, padding.bottom);
202 }
203 
GetMainAxisOffset(const OffsetF & offset,Axis axis)204 float GetMainAxisOffset(const OffsetF& offset, Axis axis)
205 {
206     return axis == Axis::HORIZONTAL ? offset.GetX() : offset.GetY();
207 }
208 
GetMainAxisSize(const SizeF & size,Axis axis)209 float GetMainAxisSize(const SizeF& size, Axis axis)
210 {
211     return axis == Axis::HORIZONTAL ? size.Width() : size.Height();
212 }
213 
GetCrossAxisSize(const SizeF & size,Axis axis)214 float GetCrossAxisSize(const SizeF& size, Axis axis)
215 {
216     return axis == Axis::HORIZONTAL ? size.Height() : size.Width();
217 }
218 
SetCrossAxisSize(float value,Axis axis,SizeF & size)219 void SetCrossAxisSize(float value, Axis axis, SizeF& size)
220 {
221     if (axis == Axis::VERTICAL) {
222         size.SetWidth(value);
223         return;
224     }
225     size.SetHeight(value);
226 }
227 
GetMainAxisSize(const OptionalSizeF & size,Axis axis)228 std::optional<float> GetMainAxisSize(const OptionalSizeF& size, Axis axis)
229 {
230     return axis == Axis::HORIZONTAL ? size.Width() : size.Height();
231 }
232 
GetCrossAxisSize(const OptionalSizeF & size,Axis axis)233 std::optional<float> GetCrossAxisSize(const OptionalSizeF& size, Axis axis)
234 {
235     return axis == Axis::HORIZONTAL ? size.Height() : size.Width();
236 }
237 
SetCrossAxisSize(float value,Axis axis,OptionalSizeF & size)238 void SetCrossAxisSize(float value, Axis axis, OptionalSizeF& size)
239 {
240     if (axis == Axis::VERTICAL) {
241         size.SetWidth(value);
242         return;
243     }
244     size.SetHeight(value);
245 }
246 
SetMainAxisSize(float value,Axis axis,OptionalSizeF & size)247 void SetMainAxisSize(float value, Axis axis, OptionalSizeF& size)
248 {
249     if (axis == Axis::VERTICAL) {
250         size.SetHeight(value);
251         return;
252     }
253     size.SetWidth(value);
254 }
255 
CreateIdealSize(const LayoutConstraintF & layoutConstraint,Axis axis,MeasureType measureType,bool usingMaxSize)256 SizeF CreateIdealSize(const LayoutConstraintF& layoutConstraint, Axis axis, MeasureType measureType, bool usingMaxSize)
257 {
258     auto optional = CreateIdealSize(layoutConstraint, axis, measureType);
259     if (usingMaxSize) {
260         optional.UpdateIllegalSizeWithCheck(layoutConstraint.maxSize);
261     } else {
262         optional.UpdateIllegalSizeWithCheck(layoutConstraint.minSize);
263     }
264     return optional.ConvertToSizeT();
265 }
266 
CreateIdealSize(const LayoutConstraintF & layoutConstraint,Axis axis,MeasureType measureType)267 OptionalSizeF CreateIdealSize(const LayoutConstraintF& layoutConstraint, Axis axis, MeasureType measureType)
268 {
269     OptionalSizeF idealSize;
270     do {
271         // Use idea size first if it is valid.
272         idealSize.UpdateSizeWithCheck(layoutConstraint.selfIdealSize);
273         if (idealSize.IsValid()) {
274             break;
275         }
276 
277         if (measureType == MeasureType::MATCH_PARENT) {
278             idealSize.UpdateIllegalSizeWithCheck(layoutConstraint.parentIdealSize);
279             idealSize.UpdateIllegalSizeWithCheck(layoutConstraint.maxSize);
280             break;
281         }
282 
283         if (measureType == MeasureType::MATCH_PARENT_CROSS_AXIS) {
284             auto selfSize = GetCrossAxisSize(idealSize, axis);
285             if (!selfSize) {
286                 auto parentCrossSize = GetCrossAxisSize(layoutConstraint.parentIdealSize, axis);
287                 if (parentCrossSize) {
288                     SetCrossAxisSize(parentCrossSize.value(), axis, idealSize);
289                 } else {
290                     parentCrossSize = GetCrossAxisSize(layoutConstraint.maxSize, axis);
291                     SetCrossAxisSize(parentCrossSize.value(), axis, idealSize);
292                 }
293             }
294             break;
295         }
296 
297         if (measureType == MeasureType::MATCH_PARENT_MAIN_AXIS) {
298             auto selfSize = GetMainAxisSize(idealSize, axis);
299             auto parentMainSize = GetMainAxisSize(layoutConstraint.parentIdealSize, axis);
300             if (!selfSize) {
301                 if (parentMainSize) {
302                     SetMainAxisSize(parentMainSize.value(), axis, idealSize);
303                 } else {
304                     parentMainSize = GetMainAxisSize(layoutConstraint.maxSize, axis);
305                     SetMainAxisSize(parentMainSize.value(), axis, idealSize);
306                 }
307             }
308             break;
309         }
310     } while (false);
311     return idealSize;
312 }
313 
CreateChildrenConstraint(SizeF & size,const PaddingPropertyF & padding)314 void CreateChildrenConstraint(SizeF& size, const PaddingPropertyF& padding)
315 {
316     float width = 0;
317     float height = 0;
318 
319     float paddingLeft = padding.left.has_value() ? padding.left.value() : 0;
320     float paddingRight = padding.right.has_value() ? padding.right.value() : 0;
321     float paddingTop = padding.top.has_value() ? padding.top.value() : 0;
322     float paddingBottom = padding.bottom.has_value() ? padding.bottom.value() : 0;
323     width += (paddingLeft + paddingRight);
324     height += (paddingTop + paddingBottom);
325 
326     size.SetHeight(size.Height() - height);
327     size.SetWidth(size.Width() - width);
328 }
329 } // namespace OHOS::Ace::NG
330