| // Copyright 2014 The PDFium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #include "core/fxcrt/css/cfx_cssstyleselector.h" |
| |
| #include <algorithm> |
| #include <utility> |
| |
| #include "core/fxcrt/css/cfx_csscolorvalue.h" |
| #include "core/fxcrt/css/cfx_csscomputedstyle.h" |
| #include "core/fxcrt/css/cfx_csscustomproperty.h" |
| #include "core/fxcrt/css/cfx_cssdeclaration.h" |
| #include "core/fxcrt/css/cfx_cssenumvalue.h" |
| #include "core/fxcrt/css/cfx_csspropertyholder.h" |
| #include "core/fxcrt/css/cfx_cssselector.h" |
| #include "core/fxcrt/css/cfx_cssstylesheet.h" |
| #include "core/fxcrt/css/cfx_csssyntaxparser.h" |
| #include "core/fxcrt/css/cfx_cssvaluelist.h" |
| #include "third_party/base/check.h" |
| #include "third_party/base/containers/adapters.h" |
| #include "third_party/base/notreached.h" |
| |
| CFX_CSSStyleSelector::CFX_CSSStyleSelector() = default; |
| |
| CFX_CSSStyleSelector::~CFX_CSSStyleSelector() = default; |
| |
| void CFX_CSSStyleSelector::SetDefaultFontSize(float fFontSize) { |
| DCHECK(fFontSize > 0); |
| m_fDefaultFontSize = fFontSize; |
| } |
| |
| RetainPtr<CFX_CSSComputedStyle> CFX_CSSStyleSelector::CreateComputedStyle( |
| const CFX_CSSComputedStyle* pParentStyle) { |
| auto pStyle = pdfium::MakeRetain<CFX_CSSComputedStyle>(); |
| if (pParentStyle) |
| pStyle->m_InheritedData = pParentStyle->m_InheritedData; |
| return pStyle; |
| } |
| |
| void CFX_CSSStyleSelector::SetUAStyleSheet( |
| std::unique_ptr<CFX_CSSStyleSheet> pSheet) { |
| m_UAStyles = std::move(pSheet); |
| } |
| |
| void CFX_CSSStyleSelector::UpdateStyleIndex() { |
| m_UARules.SetRulesFromSheet(m_UAStyles.get()); |
| } |
| |
| std::vector<const CFX_CSSDeclaration*> CFX_CSSStyleSelector::MatchDeclarations( |
| const WideString& tagname) { |
| std::vector<const CFX_CSSDeclaration*> matchedDecls; |
| if (tagname.IsEmpty()) |
| return matchedDecls; |
| |
| auto* rules = m_UARules.GetTagRuleData(tagname); |
| if (!rules) |
| return matchedDecls; |
| |
| for (const auto& d : *rules) { |
| if (MatchSelector(tagname, d->pSelector)) |
| matchedDecls.push_back(d->pDeclaration); |
| } |
| return matchedDecls; |
| } |
| |
| bool CFX_CSSStyleSelector::MatchSelector(const WideString& tagname, |
| CFX_CSSSelector* pSel) { |
| // TODO(dsinclair): The code only supports a single level of selector at this |
| // point. None of the code using selectors required the complexity so lets |
| // just say we don't support them to simplify the code for now. |
| if (!pSel || pSel->next_selector() || pSel->is_descendant()) |
| return false; |
| return pSel->name_hash() == FX_HashCode_GetLoweredW(tagname.AsStringView()); |
| } |
| |
| void CFX_CSSStyleSelector::ComputeStyle( |
| const std::vector<const CFX_CSSDeclaration*>& declArray, |
| const WideString& styleString, |
| const WideString& alignString, |
| CFX_CSSComputedStyle* pDest) { |
| std::unique_ptr<CFX_CSSDeclaration> pDecl; |
| if (!styleString.IsEmpty() || !alignString.IsEmpty()) { |
| pDecl = std::make_unique<CFX_CSSDeclaration>(); |
| |
| if (!styleString.IsEmpty()) |
| AppendInlineStyle(pDecl.get(), styleString); |
| if (!alignString.IsEmpty()) { |
| pDecl->AddProperty( |
| CFX_CSSData::GetPropertyByEnum(CFX_CSSProperty::TextAlign), |
| alignString.AsStringView()); |
| } |
| } |
| ApplyDeclarations(declArray, pDecl.get(), pDest); |
| } |
| |
| void CFX_CSSStyleSelector::ApplyDeclarations( |
| const std::vector<const CFX_CSSDeclaration*>& declArray, |
| const CFX_CSSDeclaration* extraDecl, |
| CFX_CSSComputedStyle* pComputedStyle) { |
| std::vector<const CFX_CSSPropertyHolder*> importants; |
| std::vector<const CFX_CSSPropertyHolder*> normals; |
| std::vector<const CFX_CSSCustomProperty*> customs; |
| |
| for (auto* decl : declArray) |
| ExtractValues(decl, &importants, &normals, &customs); |
| |
| if (extraDecl) |
| ExtractValues(extraDecl, &importants, &normals, &customs); |
| |
| for (auto* prop : normals) |
| ApplyProperty(prop->eProperty, prop->pValue, pComputedStyle); |
| |
| for (auto* prop : customs) |
| pComputedStyle->AddCustomStyle(*prop); |
| |
| for (auto* prop : importants) |
| ApplyProperty(prop->eProperty, prop->pValue, pComputedStyle); |
| } |
| |
| void CFX_CSSStyleSelector::ExtractValues( |
| const CFX_CSSDeclaration* decl, |
| std::vector<const CFX_CSSPropertyHolder*>* importants, |
| std::vector<const CFX_CSSPropertyHolder*>* normals, |
| std::vector<const CFX_CSSCustomProperty*>* custom) { |
| for (const auto& holder : *decl) { |
| if (holder->bImportant) |
| importants->push_back(holder.get()); |
| else |
| normals->push_back(holder.get()); |
| } |
| for (auto it = decl->custom_begin(); it != decl->custom_end(); it++) |
| custom->push_back(it->get()); |
| } |
| |
| void CFX_CSSStyleSelector::AppendInlineStyle(CFX_CSSDeclaration* pDecl, |
| const WideString& style) { |
| DCHECK(pDecl); |
| DCHECK(!style.IsEmpty()); |
| |
| auto pSyntax = std::make_unique<CFX_CSSSyntaxParser>(style.AsStringView()); |
| pSyntax->SetParseOnlyDeclarations(); |
| |
| int32_t iLen2 = 0; |
| const CFX_CSSData::Property* property = nullptr; |
| WideString wsName; |
| while (true) { |
| CFX_CSSSyntaxParser::Status eStatus = pSyntax->DoSyntaxParse(); |
| if (eStatus == CFX_CSSSyntaxParser::Status::kPropertyName) { |
| WideStringView strValue = pSyntax->GetCurrentString(); |
| property = CFX_CSSData::GetPropertyByName(strValue); |
| if (!property) |
| wsName = WideString(strValue); |
| } else if (eStatus == CFX_CSSSyntaxParser::Status::kPropertyValue) { |
| if (property || iLen2 > 0) { |
| WideStringView strValue = pSyntax->GetCurrentString(); |
| if (!strValue.IsEmpty()) { |
| if (property) |
| pDecl->AddProperty(property, strValue); |
| else if (iLen2 > 0) |
| pDecl->AddProperty(wsName, WideString(strValue)); |
| } |
| } |
| } else { |
| break; |
| } |
| } |
| } |
| |
| void CFX_CSSStyleSelector::ApplyProperty(CFX_CSSProperty eProperty, |
| const RetainPtr<CFX_CSSValue>& pValue, |
| CFX_CSSComputedStyle* pComputedStyle) { |
| if (pValue->GetType() != CFX_CSSValue::PrimitiveType::kList) { |
| CFX_CSSValue::PrimitiveType eType = pValue->GetType(); |
| switch (eProperty) { |
| case CFX_CSSProperty::Display: |
| if (eType == CFX_CSSValue::PrimitiveType::kEnum) { |
| pComputedStyle->m_NonInheritedData.m_eDisplay = |
| ToDisplay(pValue.AsRaw<CFX_CSSEnumValue>()->Value()); |
| } |
| break; |
| case CFX_CSSProperty::FontSize: { |
| float& fFontSize = pComputedStyle->m_InheritedData.m_fFontSize; |
| if (eType == CFX_CSSValue::PrimitiveType::kNumber) { |
| fFontSize = pValue.AsRaw<CFX_CSSNumberValue>()->Apply(fFontSize); |
| } else if (eType == CFX_CSSValue::PrimitiveType::kEnum) { |
| fFontSize = |
| ToFontSize(pValue.AsRaw<CFX_CSSEnumValue>()->Value(), fFontSize); |
| } |
| } break; |
| case CFX_CSSProperty::LineHeight: |
| if (eType == CFX_CSSValue::PrimitiveType::kNumber) { |
| RetainPtr<CFX_CSSNumberValue> v = pValue.As<CFX_CSSNumberValue>(); |
| if (v->unit() == CFX_CSSNumberValue::Unit::kNumber) { |
| pComputedStyle->m_InheritedData.m_fLineHeight = |
| v->value() * pComputedStyle->m_InheritedData.m_fFontSize; |
| } else { |
| pComputedStyle->m_InheritedData.m_fLineHeight = |
| v->Apply(pComputedStyle->m_InheritedData.m_fFontSize); |
| } |
| } |
| break; |
| case CFX_CSSProperty::TextAlign: |
| if (eType == CFX_CSSValue::PrimitiveType::kEnum) { |
| pComputedStyle->m_InheritedData.m_eTextAlign = |
| ToTextAlign(pValue.AsRaw<CFX_CSSEnumValue>()->Value()); |
| } |
| break; |
| case CFX_CSSProperty::TextIndent: |
| SetLengthWithPercent(pComputedStyle->m_InheritedData.m_TextIndent, |
| eType, pValue, |
| pComputedStyle->m_InheritedData.m_fFontSize); |
| break; |
| case CFX_CSSProperty::FontWeight: |
| if (eType == CFX_CSSValue::PrimitiveType::kEnum) { |
| pComputedStyle->m_InheritedData.m_wFontWeight = |
| ToFontWeight(pValue.AsRaw<CFX_CSSEnumValue>()->Value()); |
| } else if (eType == CFX_CSSValue::PrimitiveType::kNumber) { |
| int32_t iValue = static_cast<int32_t>( |
| pValue.AsRaw<CFX_CSSNumberValue>()->value()) / |
| 100; |
| if (iValue >= 1 && iValue <= 9) { |
| pComputedStyle->m_InheritedData.m_wFontWeight = iValue * 100; |
| } |
| } |
| break; |
| case CFX_CSSProperty::FontStyle: |
| if (eType == CFX_CSSValue::PrimitiveType::kEnum) { |
| pComputedStyle->m_InheritedData.m_eFontStyle = |
| ToFontStyle(pValue.AsRaw<CFX_CSSEnumValue>()->Value()); |
| } |
| break; |
| case CFX_CSSProperty::Color: |
| if (eType == CFX_CSSValue::PrimitiveType::kRGB) { |
| pComputedStyle->m_InheritedData.m_dwFontColor = |
| pValue.AsRaw<CFX_CSSColorValue>()->Value(); |
| } |
| break; |
| case CFX_CSSProperty::MarginLeft: |
| if (SetLengthWithPercent( |
| pComputedStyle->m_NonInheritedData.m_MarginWidth.left, eType, |
| pValue, pComputedStyle->m_InheritedData.m_fFontSize)) { |
| pComputedStyle->m_NonInheritedData.m_bHasMargin = true; |
| } |
| break; |
| case CFX_CSSProperty::MarginTop: |
| if (SetLengthWithPercent( |
| pComputedStyle->m_NonInheritedData.m_MarginWidth.top, eType, |
| pValue, pComputedStyle->m_InheritedData.m_fFontSize)) { |
| pComputedStyle->m_NonInheritedData.m_bHasMargin = true; |
| } |
| break; |
| case CFX_CSSProperty::MarginRight: |
| if (SetLengthWithPercent( |
| pComputedStyle->m_NonInheritedData.m_MarginWidth.right, eType, |
| pValue, pComputedStyle->m_InheritedData.m_fFontSize)) { |
| pComputedStyle->m_NonInheritedData.m_bHasMargin = true; |
| } |
| break; |
| case CFX_CSSProperty::MarginBottom: |
| if (SetLengthWithPercent( |
| pComputedStyle->m_NonInheritedData.m_MarginWidth.bottom, eType, |
| pValue, pComputedStyle->m_InheritedData.m_fFontSize)) { |
| pComputedStyle->m_NonInheritedData.m_bHasMargin = true; |
| } |
| break; |
| case CFX_CSSProperty::PaddingLeft: |
| if (SetLengthWithPercent( |
| pComputedStyle->m_NonInheritedData.m_PaddingWidth.left, eType, |
| pValue, pComputedStyle->m_InheritedData.m_fFontSize)) { |
| pComputedStyle->m_NonInheritedData.m_bHasPadding = true; |
| } |
| break; |
| case CFX_CSSProperty::PaddingTop: |
| if (SetLengthWithPercent( |
| pComputedStyle->m_NonInheritedData.m_PaddingWidth.top, eType, |
| pValue, pComputedStyle->m_InheritedData.m_fFontSize)) { |
| pComputedStyle->m_NonInheritedData.m_bHasPadding = true; |
| } |
| break; |
| case CFX_CSSProperty::PaddingRight: |
| if (SetLengthWithPercent( |
| pComputedStyle->m_NonInheritedData.m_PaddingWidth.right, eType, |
| pValue, pComputedStyle->m_InheritedData.m_fFontSize)) { |
| pComputedStyle->m_NonInheritedData.m_bHasPadding = true; |
| } |
| break; |
| case CFX_CSSProperty::PaddingBottom: |
| if (SetLengthWithPercent( |
| pComputedStyle->m_NonInheritedData.m_PaddingWidth.bottom, eType, |
| pValue, pComputedStyle->m_InheritedData.m_fFontSize)) { |
| pComputedStyle->m_NonInheritedData.m_bHasPadding = true; |
| } |
| break; |
| case CFX_CSSProperty::BorderLeftWidth: |
| if (SetLengthWithPercent( |
| pComputedStyle->m_NonInheritedData.m_BorderWidth.left, eType, |
| pValue, pComputedStyle->m_InheritedData.m_fFontSize)) { |
| pComputedStyle->m_NonInheritedData.m_bHasBorder = true; |
| } |
| break; |
| case CFX_CSSProperty::BorderTopWidth: |
| if (SetLengthWithPercent( |
| pComputedStyle->m_NonInheritedData.m_BorderWidth.top, eType, |
| pValue, pComputedStyle->m_InheritedData.m_fFontSize)) { |
| pComputedStyle->m_NonInheritedData.m_bHasBorder = true; |
| } |
| break; |
| case CFX_CSSProperty::BorderRightWidth: |
| if (SetLengthWithPercent( |
| pComputedStyle->m_NonInheritedData.m_BorderWidth.right, eType, |
| pValue, pComputedStyle->m_InheritedData.m_fFontSize)) { |
| pComputedStyle->m_NonInheritedData.m_bHasBorder = true; |
| } |
| break; |
| case CFX_CSSProperty::BorderBottomWidth: |
| if (SetLengthWithPercent( |
| pComputedStyle->m_NonInheritedData.m_BorderWidth.bottom, eType, |
| pValue, pComputedStyle->m_InheritedData.m_fFontSize)) { |
| pComputedStyle->m_NonInheritedData.m_bHasBorder = true; |
| } |
| break; |
| case CFX_CSSProperty::VerticalAlign: |
| if (eType == CFX_CSSValue::PrimitiveType::kEnum) { |
| pComputedStyle->m_NonInheritedData.m_eVerticalAlignType = |
| ToVerticalAlign(pValue.AsRaw<CFX_CSSEnumValue>()->Value()); |
| } else if (eType == CFX_CSSValue::PrimitiveType::kNumber) { |
| pComputedStyle->m_NonInheritedData.m_eVerticalAlignType = |
| CFX_CSSVerticalAlign::Number; |
| pComputedStyle->m_NonInheritedData.m_fVerticalAlign = |
| pValue.AsRaw<CFX_CSSNumberValue>()->Apply( |
| pComputedStyle->m_InheritedData.m_fFontSize); |
| } |
| break; |
| case CFX_CSSProperty::FontVariant: |
| if (eType == CFX_CSSValue::PrimitiveType::kEnum) { |
| pComputedStyle->m_InheritedData.m_eFontVariant = |
| ToFontVariant(pValue.AsRaw<CFX_CSSEnumValue>()->Value()); |
| } |
| break; |
| case CFX_CSSProperty::LetterSpacing: |
| if (eType == CFX_CSSValue::PrimitiveType::kEnum) { |
| pComputedStyle->m_InheritedData.m_LetterSpacing.Set( |
| CFX_CSSLengthUnit::Normal); |
| } else if (eType == CFX_CSSValue::PrimitiveType::kNumber) { |
| if (pValue.AsRaw<CFX_CSSNumberValue>()->unit() == |
| CFX_CSSNumberValue::Unit::kPercent) { |
| break; |
| } |
| |
| SetLengthWithPercent(pComputedStyle->m_InheritedData.m_LetterSpacing, |
| eType, pValue, |
| pComputedStyle->m_InheritedData.m_fFontSize); |
| } |
| break; |
| case CFX_CSSProperty::WordSpacing: |
| if (eType == CFX_CSSValue::PrimitiveType::kEnum) { |
| pComputedStyle->m_InheritedData.m_WordSpacing.Set( |
| CFX_CSSLengthUnit::Normal); |
| } else if (eType == CFX_CSSValue::PrimitiveType::kNumber) { |
| if (pValue.AsRaw<CFX_CSSNumberValue>()->unit() == |
| CFX_CSSNumberValue::Unit::kPercent) { |
| break; |
| } |
| SetLengthWithPercent(pComputedStyle->m_InheritedData.m_WordSpacing, |
| eType, pValue, |
| pComputedStyle->m_InheritedData.m_fFontSize); |
| } |
| break; |
| case CFX_CSSProperty::Top: |
| SetLengthWithPercent(pComputedStyle->m_NonInheritedData.m_Top, eType, |
| pValue, |
| pComputedStyle->m_InheritedData.m_fFontSize); |
| break; |
| case CFX_CSSProperty::Bottom: |
| SetLengthWithPercent(pComputedStyle->m_NonInheritedData.m_Bottom, eType, |
| pValue, |
| pComputedStyle->m_InheritedData.m_fFontSize); |
| break; |
| case CFX_CSSProperty::Left: |
| SetLengthWithPercent(pComputedStyle->m_NonInheritedData.m_Left, eType, |
| pValue, |
| pComputedStyle->m_InheritedData.m_fFontSize); |
| break; |
| case CFX_CSSProperty::Right: |
| SetLengthWithPercent(pComputedStyle->m_NonInheritedData.m_Right, eType, |
| pValue, |
| pComputedStyle->m_InheritedData.m_fFontSize); |
| break; |
| default: |
| break; |
| } |
| } else if (pValue->GetType() == CFX_CSSValue::PrimitiveType::kList) { |
| RetainPtr<CFX_CSSValueList> value_list = pValue.As<CFX_CSSValueList>(); |
| if (!value_list->values().empty()) { |
| switch (eProperty) { |
| case CFX_CSSProperty::FontFamily: |
| pComputedStyle->m_InheritedData.m_pFontFamily = std::move(value_list); |
| break; |
| case CFX_CSSProperty::TextDecoration: |
| pComputedStyle->m_NonInheritedData.m_dwTextDecoration = |
| ToTextDecoration(value_list); |
| break; |
| default: |
| break; |
| } |
| } |
| } else { |
| NOTREACHED(); |
| } |
| } |
| |
| CFX_CSSDisplay CFX_CSSStyleSelector::ToDisplay(CFX_CSSPropertyValue eValue) { |
| switch (eValue) { |
| case CFX_CSSPropertyValue::Block: |
| return CFX_CSSDisplay::Block; |
| case CFX_CSSPropertyValue::None: |
| return CFX_CSSDisplay::None; |
| case CFX_CSSPropertyValue::ListItem: |
| return CFX_CSSDisplay::ListItem; |
| case CFX_CSSPropertyValue::InlineTable: |
| return CFX_CSSDisplay::InlineTable; |
| case CFX_CSSPropertyValue::InlineBlock: |
| return CFX_CSSDisplay::InlineBlock; |
| case CFX_CSSPropertyValue::Inline: |
| default: |
| return CFX_CSSDisplay::Inline; |
| } |
| } |
| |
| CFX_CSSTextAlign CFX_CSSStyleSelector::ToTextAlign( |
| CFX_CSSPropertyValue eValue) { |
| switch (eValue) { |
| case CFX_CSSPropertyValue::Center: |
| return CFX_CSSTextAlign::Center; |
| case CFX_CSSPropertyValue::Right: |
| return CFX_CSSTextAlign::Right; |
| case CFX_CSSPropertyValue::Justify: |
| return CFX_CSSTextAlign::Justify; |
| case CFX_CSSPropertyValue::Left: |
| default: |
| return CFX_CSSTextAlign::Left; |
| } |
| } |
| |
| uint16_t CFX_CSSStyleSelector::ToFontWeight(CFX_CSSPropertyValue eValue) { |
| switch (eValue) { |
| case CFX_CSSPropertyValue::Bold: |
| return 700; |
| case CFX_CSSPropertyValue::Bolder: |
| return 900; |
| case CFX_CSSPropertyValue::Lighter: |
| return 200; |
| case CFX_CSSPropertyValue::Normal: |
| default: |
| return 400; |
| } |
| } |
| |
| CFX_CSSFontStyle CFX_CSSStyleSelector::ToFontStyle( |
| CFX_CSSPropertyValue eValue) { |
| switch (eValue) { |
| case CFX_CSSPropertyValue::Italic: |
| case CFX_CSSPropertyValue::Oblique: |
| return CFX_CSSFontStyle::Italic; |
| default: |
| return CFX_CSSFontStyle::Normal; |
| } |
| } |
| |
| bool CFX_CSSStyleSelector::SetLengthWithPercent( |
| CFX_CSSLength& width, |
| CFX_CSSValue::PrimitiveType eType, |
| const RetainPtr<CFX_CSSValue>& pValue, |
| float fFontSize) { |
| if (eType == CFX_CSSValue::PrimitiveType::kNumber) { |
| RetainPtr<CFX_CSSNumberValue> v = pValue.As<CFX_CSSNumberValue>(); |
| if (v->unit() == CFX_CSSNumberValue::Unit::kPercent) { |
| width.Set(CFX_CSSLengthUnit::Percent, |
| pValue.AsRaw<CFX_CSSNumberValue>()->value() / 100.0f); |
| return width.NonZero(); |
| } |
| |
| float fValue = v->Apply(fFontSize); |
| width.Set(CFX_CSSLengthUnit::Point, fValue); |
| return width.NonZero(); |
| } else if (eType == CFX_CSSValue::PrimitiveType::kEnum) { |
| switch (pValue.AsRaw<CFX_CSSEnumValue>()->Value()) { |
| case CFX_CSSPropertyValue::Auto: |
| width.Set(CFX_CSSLengthUnit::Auto); |
| return true; |
| case CFX_CSSPropertyValue::None: |
| width.Set(CFX_CSSLengthUnit::None); |
| return true; |
| case CFX_CSSPropertyValue::Thin: |
| width.Set(CFX_CSSLengthUnit::Point, 2); |
| return true; |
| case CFX_CSSPropertyValue::Medium: |
| width.Set(CFX_CSSLengthUnit::Point, 3); |
| return true; |
| case CFX_CSSPropertyValue::Thick: |
| width.Set(CFX_CSSLengthUnit::Point, 4); |
| return true; |
| default: |
| return false; |
| } |
| } |
| return false; |
| } |
| |
| float CFX_CSSStyleSelector::ToFontSize(CFX_CSSPropertyValue eValue, |
| float fCurFontSize) { |
| switch (eValue) { |
| case CFX_CSSPropertyValue::XxSmall: |
| return m_fDefaultFontSize / 1.2f / 1.2f / 1.2f; |
| case CFX_CSSPropertyValue::XSmall: |
| return m_fDefaultFontSize / 1.2f / 1.2f; |
| case CFX_CSSPropertyValue::Small: |
| return m_fDefaultFontSize / 1.2f; |
| case CFX_CSSPropertyValue::Medium: |
| return m_fDefaultFontSize; |
| case CFX_CSSPropertyValue::Large: |
| return m_fDefaultFontSize * 1.2f; |
| case CFX_CSSPropertyValue::XLarge: |
| return m_fDefaultFontSize * 1.2f * 1.2f; |
| case CFX_CSSPropertyValue::XxLarge: |
| return m_fDefaultFontSize * 1.2f * 1.2f * 1.2f; |
| case CFX_CSSPropertyValue::Larger: |
| return fCurFontSize * 1.2f; |
| case CFX_CSSPropertyValue::Smaller: |
| return fCurFontSize / 1.2f; |
| default: |
| return fCurFontSize; |
| } |
| } |
| |
| CFX_CSSVerticalAlign CFX_CSSStyleSelector::ToVerticalAlign( |
| CFX_CSSPropertyValue eValue) { |
| switch (eValue) { |
| case CFX_CSSPropertyValue::Middle: |
| return CFX_CSSVerticalAlign::Middle; |
| case CFX_CSSPropertyValue::Bottom: |
| return CFX_CSSVerticalAlign::Bottom; |
| case CFX_CSSPropertyValue::Super: |
| return CFX_CSSVerticalAlign::Super; |
| case CFX_CSSPropertyValue::Sub: |
| return CFX_CSSVerticalAlign::Sub; |
| case CFX_CSSPropertyValue::Top: |
| return CFX_CSSVerticalAlign::Top; |
| case CFX_CSSPropertyValue::TextTop: |
| return CFX_CSSVerticalAlign::TextTop; |
| case CFX_CSSPropertyValue::TextBottom: |
| return CFX_CSSVerticalAlign::TextBottom; |
| case CFX_CSSPropertyValue::Baseline: |
| default: |
| return CFX_CSSVerticalAlign::Baseline; |
| } |
| } |
| |
| Mask<CFX_CSSTEXTDECORATION> CFX_CSSStyleSelector::ToTextDecoration( |
| const RetainPtr<CFX_CSSValueList>& pValue) { |
| Mask<CFX_CSSTEXTDECORATION> dwDecoration; |
| for (const RetainPtr<CFX_CSSValue>& val : |
| pdfium::base::Reversed(pValue->values())) { |
| if (val->GetType() != CFX_CSSValue::PrimitiveType::kEnum) |
| continue; |
| |
| switch (val.AsRaw<CFX_CSSEnumValue>()->Value()) { |
| case CFX_CSSPropertyValue::Underline: |
| dwDecoration |= CFX_CSSTEXTDECORATION::kUnderline; |
| break; |
| case CFX_CSSPropertyValue::LineThrough: |
| dwDecoration |= CFX_CSSTEXTDECORATION::kLineThrough; |
| break; |
| case CFX_CSSPropertyValue::Overline: |
| dwDecoration |= CFX_CSSTEXTDECORATION::kOverline; |
| break; |
| case CFX_CSSPropertyValue::Blink: |
| dwDecoration |= CFX_CSSTEXTDECORATION::kBlink; |
| break; |
| case CFX_CSSPropertyValue::Double: |
| dwDecoration |= CFX_CSSTEXTDECORATION::kDouble; |
| break; |
| default: |
| break; |
| } |
| } |
| return dwDecoration; |
| } |
| |
| CFX_CSSFontVariant CFX_CSSStyleSelector::ToFontVariant( |
| CFX_CSSPropertyValue eValue) { |
| return eValue == CFX_CSSPropertyValue::SmallCaps |
| ? CFX_CSSFontVariant::SmallCaps |
| : CFX_CSSFontVariant::Normal; |
| } |
