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 "core/common/ace_application_info.h"
19 #include "core/pipeline/pipeline_base.h"
20
21 namespace OHOS::Ace::NG {
22 namespace {
23 const static int32_t PLATFORM_VERSION_TEN = 10;
24 }
25
ConvertToSize(const CalcSize & size,const ScaleProperty & scaleProperty,const SizeF & percentReference,const std::pair<std::vector<std::string>,std::vector<std::string>> & calcRpnexp)26 SizeF ConvertToSize(const CalcSize& size, const ScaleProperty& scaleProperty, const SizeF& percentReference,
27 const std::pair<std::vector<std::string>, std::vector<std::string>>& calcRpnexp)
28 {
29 auto width = ConvertToPx(size.Width(), scaleProperty, percentReference.Width(), calcRpnexp.first);
30 auto height = ConvertToPx(size.Height(), scaleProperty, percentReference.Height(), calcRpnexp.second);
31 return { width.value_or(-1.0f), height.value_or(-1.0f) };
32 }
33
ConvertToOptionalSize(const CalcSize & size,const ScaleProperty & scaleProperty,const SizeF & percentReference,const std::pair<std::vector<std::string>,std::vector<std::string>> & calcRpnexp)34 OptionalSizeF ConvertToOptionalSize(const CalcSize& size, const ScaleProperty& scaleProperty,
35 const SizeF& percentReference, const std::pair<std::vector<std::string>, std::vector<std::string>>& calcRpnexp)
36 {
37 auto width = ConvertToPx(size.Width(), scaleProperty, percentReference.Width(), calcRpnexp.first);
38 auto height = ConvertToPx(size.Height(), scaleProperty, percentReference.Height(), calcRpnexp.second);
39 return { width, height };
40 }
41
ConvertToPx(const CalcLength & value,const ScaleProperty & scaleProperty,float percentReference,const std::vector<std::string> & rpnexp)42 std::optional<float> ConvertToPx(const CalcLength& value, const ScaleProperty& scaleProperty, float percentReference,
43 const std::vector<std::string>& rpnexp)
44 {
45 double result = -1.0;
46 if (!value.NormalizeToPx(
47 scaleProperty.vpScale, scaleProperty.fpScale, scaleProperty.lpxScale, percentReference, result, rpnexp)) {
48 return std::nullopt;
49 }
50 return static_cast<float>(result);
51 }
52
ConvertToPx(const std::optional<CalcLength> & value,const ScaleProperty & scaleProperty,float percentReference,const std::vector<std::string> & rpnexp)53 std::optional<float> ConvertToPx(const std::optional<CalcLength>& value, const ScaleProperty& scaleProperty,
54 float percentReference, const std::vector<std::string>& rpnexp)
55 {
56 if (!value) {
57 return std::nullopt;
58 }
59 double result = -1.0;
60 if (!value.value().NormalizeToPx(
61 scaleProperty.vpScale, scaleProperty.fpScale, scaleProperty.lpxScale, percentReference, result, rpnexp)) {
62 return std::nullopt;
63 }
64 return static_cast<float>(result);
65 }
66
ConvertToPx(const Dimension & dimension,const ScaleProperty & scaleProperty,float percentReference)67 std::optional<float> ConvertToPx(const Dimension& dimension, const ScaleProperty& scaleProperty, float percentReference)
68 {
69 double result = -1.0;
70 if (!dimension.NormalizeToPx(
71 scaleProperty.vpScale, scaleProperty.fpScale, scaleProperty.lpxScale, percentReference, result)) {
72 return std::nullopt;
73 }
74 return static_cast<float>(result);
75 }
76
ConvertToPx(const std::optional<Dimension> & dimension,const ScaleProperty & scaleProperty,float percentReference)77 std::optional<float> ConvertToPx(
78 const std::optional<Dimension>& dimension, const ScaleProperty& scaleProperty, float percentReference)
79 {
80 if (!dimension) {
81 return std::nullopt;
82 }
83 double result = -1.0;
84 if (!dimension.value().NormalizeToPx(
85 scaleProperty.vpScale, scaleProperty.fpScale, scaleProperty.lpxScale, percentReference, result)) {
86 return std::nullopt;
87 }
88 return static_cast<float>(result);
89 }
90
ConstrainSize(const SizeF & size,const SizeF & minSize,const SizeF & maxSize)91 SizeF ConstrainSize(const SizeF& size, const SizeF& minSize, const SizeF& maxSize)
92 {
93 float height = std::max(minSize.Height(), size.Height());
94 if (maxSize.Height() > 0) {
95 height = std::min(maxSize.Height(), height);
96 }
97 float width = std::max(minSize.Width(), size.Width());
98 if (maxSize.Width() > 0) {
99 width = std::min(maxSize.Width(), width);
100 }
101 return { width, height };
102 }
103
ConvertToPaddingPropertyF(const std::unique_ptr<PaddingProperty> & padding,const ScaleProperty & scaleProperty,float percentReference,bool roundPixel,bool nonNegative)104 PaddingPropertyF ConvertToPaddingPropertyF(const std::unique_ptr<PaddingProperty>& padding,
105 const ScaleProperty& scaleProperty, float percentReference, bool roundPixel, bool nonNegative)
106 {
107 if (!padding) {
108 return {};
109 }
110 return ConvertToPaddingPropertyF(*padding, scaleProperty, percentReference, roundPixel, nonNegative);
111 }
112
ConvertToPaddingPropertyF(const PaddingProperty & padding,const ScaleProperty & scaleProperty,float percentReference,bool roundPixel,bool nonNegative)113 PaddingPropertyF ConvertToPaddingPropertyF(const PaddingProperty& padding, const ScaleProperty& scaleProperty,
114 float percentReference, bool roundPixel, bool nonNegative)
115 {
116 auto left = ConvertToPx(padding.left, scaleProperty, percentReference);
117 auto right = ConvertToPx(padding.right, scaleProperty, percentReference);
118 auto top = ConvertToPx(padding.top, scaleProperty, percentReference);
119 auto bottom = ConvertToPx(padding.bottom, scaleProperty, percentReference);
120 bool versionSatisfy =
121 AceApplicationInfo::GetInstance().GreatOrEqualTargetAPIVersion(PlatformVersion::VERSION_TWELVE);
122 if (roundPixel && versionSatisfy) {
123 if (left.has_value()) {
124 left = floor(left.value());
125 }
126 if (right.has_value()) {
127 right = floor(right.value());
128 }
129 if (top.has_value()) {
130 top = floor(top.value());
131 }
132 if (bottom.has_value()) {
133 bottom = floor(bottom.value());
134 }
135 }
136 if (nonNegative && versionSatisfy) {
137 if (left.has_value()) {
138 left = std::max(left.value(), 0.0f);
139 }
140 if (right.has_value()) {
141 right = std::max(right.value(), 0.0f);
142 }
143 if (top.has_value()) {
144 top = std::max(top.value(), 0.0f);
145 }
146 if (bottom.has_value()) {
147 bottom = std::max(bottom.value(), 0.0f);
148 }
149 }
150 return PaddingPropertyF { left, right, top, bottom };
151 }
152
ConvertWithResidueToPaddingPropertyF(const std::unique_ptr<PaddingProperty> & padding,const ScaleProperty & scaleProperty,const PaddingPropertyF & fract,float percentReference,bool nonNegative)153 PaddingPropertyF ConvertWithResidueToPaddingPropertyF(const std::unique_ptr<PaddingProperty>& padding,
154 const ScaleProperty& scaleProperty, const PaddingPropertyF& fract, float percentReference, bool nonNegative)
155 {
156 if (!padding) {
157 return {};
158 }
159 return ConvertWithResidueToPaddingPropertyF(*padding, scaleProperty, fract, percentReference, nonNegative);
160 }
161
ConvertWithResidueToPaddingPropertyF(const PaddingProperty & padding,const ScaleProperty & scaleProperty,const PaddingPropertyF & fract,float percentReference,bool nonNegative)162 PaddingPropertyF ConvertWithResidueToPaddingPropertyF(const PaddingProperty& padding,
163 const ScaleProperty& scaleProperty, const PaddingPropertyF& fract, float percentReference, bool nonNegative)
164 {
165 auto left = ConvertToPx(padding.left, scaleProperty, percentReference);
166 auto right = ConvertToPx(padding.right, scaleProperty, percentReference);
167 auto top = ConvertToPx(padding.top, scaleProperty, percentReference);
168 auto bottom = ConvertToPx(padding.bottom, scaleProperty, percentReference);
169 if (left.has_value()) {
170 left = floor(left.value() + fract.left.value_or(0.0f));
171 }
172 if (right.has_value()) {
173 right = floor(right.value() + fract.right.value_or(0.0f));
174 }
175 if (top.has_value()) {
176 top = floor(top.value() + fract.top.value_or(0.0f));
177 }
178 if (bottom.has_value()) {
179 bottom = floor(bottom.value() + fract.bottom.value_or(0.0f));
180 }
181 if (nonNegative) {
182 if (left.has_value()) {
183 left = std::max(left.value(), 0.0f);
184 }
185 if (right.has_value()) {
186 right = std::max(right.value(), 0.0f);
187 }
188 if (top.has_value()) {
189 top = std::max(top.value(), 0.0f);
190 }
191 if (bottom.has_value()) {
192 bottom = std::max(bottom.value(), 0.0f);
193 }
194 }
195 return PaddingPropertyF { left, right, top, bottom };
196 }
197
ConvertToMarginPropertyF(const std::unique_ptr<MarginProperty> & margin,const ScaleProperty & scaleProperty,float percentReference,bool roundPixel)198 MarginPropertyF ConvertToMarginPropertyF(const std::unique_ptr<MarginProperty>& margin,
199 const ScaleProperty& scaleProperty, float percentReference, bool roundPixel)
200 {
201 return ConvertToPaddingPropertyF(margin, scaleProperty, percentReference, roundPixel);
202 }
203
ConvertToMarginPropertyF(const MarginProperty & margin,const ScaleProperty & scaleProperty,float percentReference,bool roundPixel)204 MarginPropertyF ConvertToMarginPropertyF(
205 const MarginProperty& margin, const ScaleProperty& scaleProperty, float percentReference, bool roundPixel)
206 {
207 return ConvertToPaddingPropertyF(margin, scaleProperty, percentReference, roundPixel);
208 }
209
ConvertToBorderWidthPropertyF(const std::unique_ptr<BorderWidthProperty> & borderWidth,const ScaleProperty & scaleProperty,float percentReference,bool roundPixel)210 BorderWidthPropertyF ConvertToBorderWidthPropertyF(const std::unique_ptr<BorderWidthProperty>& borderWidth,
211 const ScaleProperty& scaleProperty, float percentReference, bool roundPixel)
212 {
213 if (!borderWidth) {
214 return {};
215 }
216 return ConvertToBorderWidthPropertyF(*borderWidth, scaleProperty, percentReference, roundPixel);
217 }
218
ConvertToBorderWidthPropertyF(const BorderWidthProperty & borderWidth,const ScaleProperty & scaleProperty,float percentReference,bool roundPixel)219 BorderWidthPropertyF ConvertToBorderWidthPropertyF(
220 const BorderWidthProperty& borderWidth, const ScaleProperty& scaleProperty, float percentReference, bool roundPixel)
221 {
222 auto left = ConvertToPx(borderWidth.leftDimen, scaleProperty, percentReference);
223 auto right = ConvertToPx(borderWidth.rightDimen, scaleProperty, percentReference);
224 auto top = ConvertToPx(borderWidth.topDimen, scaleProperty, percentReference);
225 auto bottom = ConvertToPx(borderWidth.bottomDimen, scaleProperty, percentReference);
226 if (roundPixel && AceApplicationInfo::GetInstance().GreatOrEqualTargetAPIVersion(PlatformVersion::VERSION_TWELVE)) {
227 if (left.has_value()) {
228 left = (GreatNotEqualCustomPrecision(left.value(), 1.0f) || NearEqual(left.value(), 0.0f))
229 ? floor(left.value())
230 : 1.0f;
231 }
232 if (right.has_value()) {
233 right = (GreatNotEqualCustomPrecision(right.value(), 1.0f) || NearEqual(right.value(), 0.0f))
234 ? floor(right.value())
235 : 1.0f;
236 }
237 if (top.has_value()) {
238 top = (GreatNotEqualCustomPrecision(top.value(), 1.0f) || NearEqual(top.value(), 0.0f)) ? floor(top.value())
239 : 1.0f;
240 }
241 if (bottom.has_value()) {
242 bottom = (GreatNotEqualCustomPrecision(bottom.value(), 1.0f) || NearEqual(bottom.value(), 0.0f))
243 ? floor(bottom.value())
244 : 1.0f;
245 }
246 }
247 return BorderWidthPropertyF { left, top, right, bottom };
248 }
249
UpdatePaddingPropertyF(const PaddingProperty & padding,const ScaleProperty & scaleProperty,const SizeF & selfSize,PaddingPropertyF & paddingValue)250 void UpdatePaddingPropertyF(const PaddingProperty& padding, const ScaleProperty& scaleProperty, const SizeF& selfSize,
251 PaddingPropertyF& paddingValue)
252 {
253 auto left = ConvertToPx(padding.left, scaleProperty, selfSize.Width());
254 auto right = ConvertToPx(padding.right, scaleProperty, selfSize.Width());
255 auto top = ConvertToPx(padding.top, scaleProperty, selfSize.Height());
256 auto bottom = ConvertToPx(padding.bottom, scaleProperty, selfSize.Height());
257 if (left.has_value()) {
258 paddingValue.left = left;
259 }
260 if (right.has_value()) {
261 paddingValue.right = right;
262 }
263 if (top.has_value()) {
264 paddingValue.top = top;
265 }
266 if (bottom.has_value()) {
267 paddingValue.bottom = bottom;
268 }
269 }
270
AddPaddingToSize(const PaddingPropertyF & padding,SizeF & size)271 void AddPaddingToSize(const PaddingPropertyF& padding, SizeF& size)
272 {
273 size.AddPadding(padding.left, padding.right, padding.top, padding.bottom);
274 }
275
MinusPaddingToSize(const PaddingPropertyF & padding,SizeF & size)276 void MinusPaddingToSize(const PaddingPropertyF& padding, SizeF& size)
277 {
278 size.MinusPadding(padding.left, padding.right, padding.top, padding.bottom);
279 }
280
MinusPaddingToNonNegativeSize(const PaddingPropertyF & padding,SizeF & size)281 void MinusPaddingToNonNegativeSize(const PaddingPropertyF& padding, SizeF& size)
282 {
283 size.MinusPaddingToNonNegative(padding.left, padding.right, padding.top, padding.bottom);
284 }
285
AddPaddingToSize(const PaddingPropertyF & padding,OptionalSizeF & size)286 void AddPaddingToSize(const PaddingPropertyF& padding, OptionalSizeF& size)
287 {
288 size.AddPadding(padding.left, padding.right, padding.top, padding.bottom);
289 }
290
MinusPaddingToSize(const PaddingPropertyF & padding,OptionalSizeF & size)291 void MinusPaddingToSize(const PaddingPropertyF& padding, OptionalSizeF& size)
292 {
293 size.MinusPadding(padding.left, padding.right, padding.top, padding.bottom);
294 }
295
AdjacentExpandToRect(RectF & adjustingRect,PaddingPropertyF & frameExpand,RectF & frameRect)296 PaddingPropertyF AdjacentExpandToRect(RectF& adjustingRect, PaddingPropertyF& frameExpand, RectF& frameRect)
297 {
298 PaddingPropertyF filtered;
299 if (NearEqual(adjustingRect.Left(), frameRect.Left())) {
300 filtered.left = frameExpand.left;
301 }
302 if (NearEqual(adjustingRect.Top(), frameRect.Top())) {
303 filtered.top = frameExpand.top;
304 }
305 if (NearEqual(adjustingRect.Right(), frameRect.Right())) {
306 filtered.right = frameExpand.right;
307 }
308 if (NearEqual(adjustingRect.Bottom(), frameRect.Bottom())) {
309 filtered.bottom = frameExpand.bottom;
310 }
311 return filtered;
312 }
313
GetMainAxisOffset(const OffsetF & offset,Axis axis)314 float GetMainAxisOffset(const OffsetF& offset, Axis axis)
315 {
316 return axis == Axis::HORIZONTAL ? offset.GetX() : offset.GetY();
317 }
318
GetMainAxisSize(const SizeF & size,Axis axis)319 float GetMainAxisSize(const SizeF& size, Axis axis)
320 {
321 return axis == Axis::HORIZONTAL ? size.Width() : size.Height();
322 }
323
GetCrossAxisSize(const SizeF & size,Axis axis)324 float GetCrossAxisSize(const SizeF& size, Axis axis)
325 {
326 return axis == Axis::HORIZONTAL ? size.Height() : size.Width();
327 }
328
SetCrossAxisSize(float value,Axis axis,SizeF & size)329 void SetCrossAxisSize(float value, Axis axis, SizeF& size)
330 {
331 if (axis == Axis::VERTICAL) {
332 size.SetWidth(value);
333 return;
334 }
335 size.SetHeight(value);
336 }
337
GetMainAxisSize(const OptionalSizeF & size,Axis axis)338 std::optional<float> GetMainAxisSize(const OptionalSizeF& size, Axis axis)
339 {
340 return axis == Axis::HORIZONTAL ? size.Width() : size.Height();
341 }
342
GetCrossAxisSize(const OptionalSizeF & size,Axis axis)343 std::optional<float> GetCrossAxisSize(const OptionalSizeF& size, Axis axis)
344 {
345 return axis == Axis::HORIZONTAL ? size.Height() : size.Width();
346 }
347
SetCrossAxisSize(float value,Axis axis,OptionalSizeF & size)348 void SetCrossAxisSize(float value, Axis axis, OptionalSizeF& size)
349 {
350 if (axis == Axis::VERTICAL) {
351 size.SetWidth(value);
352 return;
353 }
354 size.SetHeight(value);
355 }
356
SetMainAxisSize(float value,Axis axis,OptionalSizeF & size)357 void SetMainAxisSize(float value, Axis axis, OptionalSizeF& size)
358 {
359 if (axis == Axis::VERTICAL) {
360 size.SetHeight(value);
361 return;
362 }
363 size.SetWidth(value);
364 }
365
CreateIdealSize(const LayoutConstraintF & layoutConstraint,Axis axis,MeasureType measureType,bool usingMaxSize)366 SizeF CreateIdealSize(const LayoutConstraintF& layoutConstraint, Axis axis, MeasureType measureType, bool usingMaxSize)
367 {
368 auto optional = CreateIdealSize(layoutConstraint, axis, measureType);
369 if (usingMaxSize) {
370 optional.UpdateIllegalSizeWithCheck(layoutConstraint.maxSize);
371 } else {
372 optional.UpdateIllegalSizeWithCheck(layoutConstraint.minSize);
373 }
374 return optional.ConvertToSizeT();
375 }
376
CreateIdealSize(const LayoutConstraintF & layoutConstraint,Axis axis,MeasureType measureType)377 OptionalSizeF CreateIdealSize(const LayoutConstraintF& layoutConstraint, Axis axis, MeasureType measureType)
378 {
379 OptionalSizeF idealSize;
380 do {
381 // Use idea size first if it is valid.
382 idealSize.UpdateSizeWithCheck(layoutConstraint.selfIdealSize);
383 if (idealSize.IsValid()) {
384 break;
385 }
386
387 if (measureType == MeasureType::MATCH_PARENT) {
388 idealSize.UpdateIllegalSizeWithCheck(layoutConstraint.parentIdealSize);
389 idealSize.UpdateIllegalSizeWithCheck(layoutConstraint.maxSize);
390 break;
391 }
392
393 if (measureType == MeasureType::MATCH_PARENT_CROSS_AXIS) {
394 auto selfSize = GetCrossAxisSize(idealSize, axis);
395 if (!selfSize) {
396 auto parentCrossSize = GetCrossAxisSize(layoutConstraint.parentIdealSize, axis);
397 if (parentCrossSize) {
398 SetCrossAxisSize(parentCrossSize.value(), axis, idealSize);
399 } else {
400 parentCrossSize = GetCrossAxisSize(layoutConstraint.maxSize, axis);
401 SetCrossAxisSize(parentCrossSize.value(), axis, idealSize);
402 }
403 }
404 break;
405 }
406
407 if (measureType == MeasureType::MATCH_PARENT_MAIN_AXIS) {
408 auto selfSize = GetMainAxisSize(idealSize, axis);
409 auto parentMainSize = GetMainAxisSize(layoutConstraint.parentIdealSize, axis);
410 if (!selfSize) {
411 if (parentMainSize) {
412 SetMainAxisSize(parentMainSize.value(), axis, idealSize);
413 } else {
414 parentMainSize = GetMainAxisSize(layoutConstraint.maxSize, axis);
415 SetMainAxisSize(parentMainSize.value(), axis, idealSize);
416 }
417 }
418 break;
419 }
420 } while (false);
421 return idealSize;
422 }
423
UpdateOptionSizeByCalcLayoutConstraint(const OptionalSize<float> & frameSize,const std::unique_ptr<MeasureProperty> & calcLayoutConstraint,const SizeT<float> percentReference)424 OptionalSizeF UpdateOptionSizeByCalcLayoutConstraint(const OptionalSize<float>& frameSize,
425 const std::unique_ptr<MeasureProperty>& calcLayoutConstraint, const SizeT<float> percentReference)
426 {
427 OptionalSizeF finalSize(frameSize.Width(), frameSize.Height());
428 if (!calcLayoutConstraint) {
429 return finalSize;
430 } else {
431 UpdateOptionSizeByMaxOrMinCalcLayoutConstraint(
432 finalSize, calcLayoutConstraint->maxSize, percentReference, true);
433 UpdateOptionSizeByMaxOrMinCalcLayoutConstraint(
434 finalSize, calcLayoutConstraint->minSize, percentReference, false);
435 }
436 return finalSize;
437 }
438
UpdateOptionSizeByMaxOrMinCalcLayoutConstraint(OptionalSizeF & frameSize,const std::optional<CalcSize> & calcLayoutConstraintMaxMinSize,const SizeT<float> percentReference,bool IsMaxSize)439 void UpdateOptionSizeByMaxOrMinCalcLayoutConstraint(OptionalSizeF& frameSize,
440 const std::optional<CalcSize>& calcLayoutConstraintMaxMinSize, const SizeT<float> percentReference, bool IsMaxSize)
441 {
442 auto scaleProperty = ScaleProperty::CreateScaleProperty();
443 if (!calcLayoutConstraintMaxMinSize.has_value()) {
444 return;
445 }
446 if (calcLayoutConstraintMaxMinSize->Width().has_value()) {
447 auto maxWidthPx = ConvertToPx(calcLayoutConstraintMaxMinSize->Width(), scaleProperty, percentReference.Width());
448 if (maxWidthPx.has_value()) {
449 if (IsMaxSize) {
450 frameSize.SetWidth(std::min(maxWidthPx.value(), frameSize.Width().value_or(maxWidthPx.value())));
451 } else {
452 frameSize.SetWidth(std::max(maxWidthPx.value(), frameSize.Width().value_or(maxWidthPx.value())));
453 }
454 }
455 }
456 if (calcLayoutConstraintMaxMinSize->Height().has_value()) {
457 auto maxHeightPx =
458 ConvertToPx(calcLayoutConstraintMaxMinSize->Height(), scaleProperty, percentReference.Height());
459 if (maxHeightPx.has_value()) {
460 if (IsMaxSize) {
461 frameSize.SetHeight(std::min(maxHeightPx.value(), frameSize.Height().value_or(maxHeightPx.value())));
462 } else {
463 frameSize.SetHeight(std::max(maxHeightPx.value(), frameSize.Height().value_or(maxHeightPx.value())));
464 }
465 }
466 }
467 }
468
UpdateConstraintByRawConstraint(SizeF & validMinSize,SizeF & validMaxSize,const std::unique_ptr<MeasureProperty> & rawConstraint)469 void UpdateConstraintByRawConstraint(SizeF& validMinSize, SizeF& validMaxSize,
470 const std::unique_ptr<MeasureProperty>& rawConstraint)
471 {
472 if (rawConstraint->minSize) {
473 if (!rawConstraint->minSize.value().Width()) {
474 validMinSize.SetWidth(-1.0f);
475 }
476 if (!rawConstraint->minSize.value().Height()) {
477 validMinSize.SetHeight(-1.0f);
478 }
479 } else {
480 validMinSize = SizeF(-1.0f, -1.0f);
481 }
482 if (rawConstraint->maxSize) {
483 if (!rawConstraint->maxSize.value().Width()) {
484 validMaxSize.SetWidth(-1.0f);
485 }
486 if (!rawConstraint->maxSize.value().Height()) {
487 validMaxSize.SetHeight(-1.0f);
488 }
489 } else {
490 validMaxSize = SizeF(-1.0f, -1.0f);
491 }
492 }
493
ApplyConstraint(OptionalSizeF & idealSize,const LayoutConstraintF & layoutConstraint,const std::unique_ptr<MeasureProperty> & rawConstraint)494 void ApplyConstraint(OptionalSizeF& idealSize, const LayoutConstraintF& layoutConstraint,
495 const std::unique_ptr<MeasureProperty>& rawConstraint)
496 {
497 auto validMinSize = layoutConstraint.minSize;
498 auto validMaxSize = layoutConstraint.maxSize;
499 if (rawConstraint) {
500 UpdateConstraintByRawConstraint(validMinSize, validMaxSize, rawConstraint);
501 }
502 idealSize.Constrain(validMinSize, validMaxSize,
503 PipelineBase::GetCurrentContext() &&
504 PipelineBase::GetCurrentContext()->GetMinPlatformVersion() >= PLATFORM_VERSION_TEN,
505 rawConstraint != nullptr);
506 }
507
CreateIdealSizeByPercentRef(const LayoutConstraintF & layoutConstraint,Axis axis,MeasureType measureType,bool needToConstrain,const std::unique_ptr<MeasureProperty> & rawConstraint)508 OptionalSizeF CreateIdealSizeByPercentRef(
509 const LayoutConstraintF& layoutConstraint, Axis axis, MeasureType measureType, bool needToConstrain,
510 const std::unique_ptr<MeasureProperty>& rawConstraint)
511 {
512 OptionalSizeF idealSize;
513 do {
514 // Use idea size first if it is valid.
515 idealSize.UpdateSizeWithCheck(layoutConstraint.selfIdealSize);
516 if (idealSize.IsValid()) {
517 break;
518 }
519
520 if (measureType == MeasureType::MATCH_PARENT) {
521 idealSize.UpdateIllegalSizeWithCheck(layoutConstraint.parentIdealSize);
522 idealSize.UpdateIllegalSizeWithCheck(layoutConstraint.percentReference);
523 break;
524 }
525
526 if (measureType == MeasureType::MATCH_PARENT_CROSS_AXIS) {
527 auto selfSize = GetCrossAxisSize(idealSize, axis);
528 if (!selfSize) {
529 auto parentCrossSize = GetCrossAxisSize(layoutConstraint.parentIdealSize, axis);
530 if (parentCrossSize) {
531 SetCrossAxisSize(parentCrossSize.value(), axis, idealSize);
532 } else {
533 parentCrossSize = GetCrossAxisSize(layoutConstraint.percentReference, axis);
534 SetCrossAxisSize(parentCrossSize.value(), axis, idealSize);
535 }
536 }
537 break;
538 }
539
540 if (measureType == MeasureType::MATCH_PARENT_MAIN_AXIS) {
541 auto selfSize = GetMainAxisSize(idealSize, axis);
542 auto parentMainSize = GetMainAxisSize(layoutConstraint.parentIdealSize, axis);
543 if (!selfSize) {
544 if (parentMainSize) {
545 SetMainAxisSize(parentMainSize.value(), axis, idealSize);
546 } else {
547 parentMainSize = GetMainAxisSize(layoutConstraint.percentReference, axis);
548 SetMainAxisSize(parentMainSize.value(), axis, idealSize);
549 }
550 }
551 break;
552 }
553 } while (false);
554 if (needToConstrain) {
555 ApplyConstraint(idealSize, layoutConstraint, rawConstraint);
556 }
557 return idealSize;
558 }
559
ConstrainIdealSizeByLayoutPolicy(const LayoutConstraintF & layoutConstraint,LayoutCalPolicy widthLayoutPolicy,LayoutCalPolicy heightLayoutPolicy,Axis axis)560 OptionalSizeF ConstrainIdealSizeByLayoutPolicy(const LayoutConstraintF& layoutConstraint,
561 LayoutCalPolicy widthLayoutPolicy, LayoutCalPolicy heightLayoutPolicy, Axis axis)
562 {
563 bool isHorizontal = axis == Axis::HORIZONTAL;
564 bool mainAxisMatchParent = (isHorizontal ? widthLayoutPolicy : heightLayoutPolicy) == LayoutCalPolicy::MATCH_PARENT;
565 bool crossAxisMatchParent =
566 (isHorizontal ? heightLayoutPolicy : widthLayoutPolicy) == LayoutCalPolicy::MATCH_PARENT;
567 OptionalSizeF idealSize;
568 if (mainAxisMatchParent) {
569 auto parentMainSize = GetMainAxisSize(layoutConstraint.parentIdealSize, axis);
570 if (parentMainSize) {
571 SetMainAxisSize(parentMainSize.value(), axis, idealSize);
572 }
573 }
574 if (crossAxisMatchParent) {
575 auto parentCrossSize = GetCrossAxisSize(layoutConstraint.parentIdealSize, axis);
576 if (parentCrossSize) {
577 SetCrossAxisSize(parentCrossSize.value(), axis, idealSize);
578 }
579 }
580 return idealSize;
581 }
582
CalcLayoutPolicySingleSide(const std::optional<NG::LayoutPolicyProperty> & childLayoutPolicy,const std::unique_ptr<MeasureProperty> & childCalcLayoutConstraint,const std::optional<LayoutConstraintF> & parentConstraint,const MagicItemProperty & magicItemProperty)583 OptionalSizeF CalcLayoutPolicySingleSide(const std::optional<NG::LayoutPolicyProperty>& childLayoutPolicy,
584 const std::unique_ptr<MeasureProperty>& childCalcLayoutConstraint,
585 const std::optional<LayoutConstraintF>& parentConstraint, const MagicItemProperty& magicItemProperty)
586 {
587 OptionalSizeF result;
588 if (!parentConstraint.has_value()) {
589 return result;
590 }
591 if (!childLayoutPolicy.has_value() || !childLayoutPolicy->IsMatch()) {
592 return result;
593 }
594 if (!childCalcLayoutConstraint ||
595 (!childCalcLayoutConstraint->selfIdealSize.has_value() && !childCalcLayoutConstraint->minSize.has_value())) {
596 return result;
597 }
598 auto isWidthPolicy = childLayoutPolicy->IsWidthMatch();
599 auto isHeightPolicy = childLayoutPolicy->IsHeightMatch();
600
601 if (childCalcLayoutConstraint->selfIdealSize.has_value()) {
602 auto selfSize = ConvertToOptionalSize(childCalcLayoutConstraint->selfIdealSize.value(),
603 parentConstraint->scaleProperty, parentConstraint->percentReference);
604 if (isHeightPolicy && selfSize.Width().has_value()) {
605 result.SetWidth(selfSize.Width().value());
606 }
607 if (isWidthPolicy && selfSize.Height().has_value()) {
608 result.SetHeight(selfSize.Height().value());
609 }
610 if (magicItemProperty.HasAspectRatio()) {
611 auto aspectRatio = magicItemProperty.GetAspectRatioValue();
612 if (result.Width().has_value() && GreatNotEqual(aspectRatio, 0.0f)) {
613 result.SetHeight(result.Width().value() / aspectRatio);
614 }
615 }
616 UpdateSingleSideByMaxOrMinCalcLayoutConstraint(
617 result, childCalcLayoutConstraint->maxSize, parentConstraint, true);
618 UpdateSingleSideByMaxOrMinCalcLayoutConstraint(
619 result, childCalcLayoutConstraint->minSize, parentConstraint, false);
620 } else if (childCalcLayoutConstraint->minSize.has_value()) {
621 auto minsize = ConvertToOptionalSize(childCalcLayoutConstraint->minSize.value(),
622 parentConstraint->scaleProperty, parentConstraint->percentReference);
623 if (isHeightPolicy && minsize.Width().has_value()) {
624 result.SetWidth(minsize.Width().value());
625 }
626 if (isWidthPolicy && minsize.Height().has_value()) {
627 result.SetHeight(minsize.Height().value());
628 }
629 }
630 return result;
631 }
632
UpdateSingleSideByMaxOrMinCalcLayoutConstraint(OptionalSizeF & frameSize,const std::optional<CalcSize> & calcLayoutConstraintMaxMinSize,const std::optional<LayoutConstraintF> & parentConstraint,bool isMaxSize)633 void UpdateSingleSideByMaxOrMinCalcLayoutConstraint(OptionalSizeF& frameSize,
634 const std::optional<CalcSize>& calcLayoutConstraintMaxMinSize,
635 const std::optional<LayoutConstraintF>& parentConstraint, bool isMaxSize)
636 {
637 if (!calcLayoutConstraintMaxMinSize.has_value() || frameSize.IsNull()) {
638 return;
639 }
640 if (calcLayoutConstraintMaxMinSize->Width().has_value() && frameSize.Width().has_value()) {
641 auto maxWidthPx = ConvertToPx(calcLayoutConstraintMaxMinSize->Width(), parentConstraint->scaleProperty,
642 parentConstraint->percentReference.Width());
643 if (maxWidthPx.has_value()) {
644 if (isMaxSize) {
645 frameSize.SetWidth(std::min(maxWidthPx.value(), frameSize.Width().value()));
646 } else {
647 frameSize.SetWidth(std::max(maxWidthPx.value(), frameSize.Width().value()));
648 }
649 }
650 }
651 if (calcLayoutConstraintMaxMinSize->Height().has_value() && frameSize.Height().has_value()) {
652 auto maxHeightPx = ConvertToPx(calcLayoutConstraintMaxMinSize->Height(), parentConstraint->scaleProperty,
653 parentConstraint->percentReference.Height());
654 if (maxHeightPx.has_value()) {
655 if (isMaxSize) {
656 frameSize.SetHeight(std::min(maxHeightPx.value(), frameSize.Height().value()));
657 } else {
658 frameSize.SetHeight(std::max(maxHeightPx.value(), frameSize.Height().value()));
659 }
660 }
661 }
662 }
663
CreateChildrenConstraint(SizeF & size,const PaddingPropertyF & padding)664 void CreateChildrenConstraint(SizeF& size, const PaddingPropertyF& padding)
665 {
666 float width = 0;
667 float height = 0;
668
669 float paddingLeft = padding.left.has_value() ? padding.left.value() : 0;
670 float paddingRight = padding.right.has_value() ? padding.right.value() : 0;
671 float paddingTop = padding.top.has_value() ? padding.top.value() : 0;
672 float paddingBottom = padding.bottom.has_value() ? padding.bottom.value() : 0;
673 width += (paddingLeft + paddingRight);
674 height += (paddingTop + paddingBottom);
675
676 size.SetHeight(size.Height() - height);
677 size.SetWidth(size.Width() - width);
678 }
679
ConvertToCalcPaddingProperty(const std::optional<CalcDimension> & top,const std::optional<CalcDimension> & bottom,const std::optional<CalcDimension> & left,const std::optional<CalcDimension> & right)680 PaddingProperty ConvertToCalcPaddingProperty(const std::optional<CalcDimension>& top,
681 const std::optional<CalcDimension>& bottom, const std::optional<CalcDimension>& left,
682 const std::optional<CalcDimension>& right)
683 {
684 PaddingProperty paddings;
685 if (top.has_value()) {
686 if (top.value().Unit() == DimensionUnit::CALC) {
687 paddings.top =
688 NG::CalcLength(top.value().IsNonNegative() ? top.value().CalcValue() : CalcDimension().CalcValue());
689 } else {
690 paddings.top = NG::CalcLength(top.value().IsNonNegative() ? top.value() : CalcDimension());
691 }
692 }
693 if (bottom.has_value()) {
694 if (bottom.value().Unit() == DimensionUnit::CALC) {
695 paddings.bottom = NG::CalcLength(
696 bottom.value().IsNonNegative() ? bottom.value().CalcValue() : CalcDimension().CalcValue());
697 } else {
698 paddings.bottom = NG::CalcLength(bottom.value().IsNonNegative() ? bottom.value() : CalcDimension());
699 }
700 }
701 if (left.has_value()) {
702 if (left.value().Unit() == DimensionUnit::CALC) {
703 paddings.left =
704 NG::CalcLength(left.value().IsNonNegative() ? left.value().CalcValue() : CalcDimension().CalcValue());
705 } else {
706 paddings.left = NG::CalcLength(left.value().IsNonNegative() ? left.value() : CalcDimension());
707 }
708 }
709 if (right.has_value()) {
710 if (right.value().Unit() == DimensionUnit::CALC) {
711 paddings.right =
712 NG::CalcLength(right.value().IsNonNegative() ? right.value().CalcValue() : CalcDimension().CalcValue());
713 } else {
714 paddings.right = NG::CalcLength(right.value().IsNonNegative() ? right.value() : CalcDimension());
715 }
716 }
717 return paddings;
718 }
719 } // namespace OHOS::Ace::NG
720