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