Home | History | Annotate | Download | only in css 
      1 // Copyright 2017 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 
      7 #include "core/fxcrt/css/cfx_cssnumbervalue.h"
      8 
      9 CFX_CSSNumberValue::CFX_CSSNumberValue(CFX_CSSNumberType type, float value)
     10     : CFX_CSSValue(CFX_CSSPrimitiveType::Number), type_(type), value_(value) {
     11   if (type_ == CFX_CSSNumberType::Number && fabs(value_) < 0.001f)
     12     value_ = 0.0f;
     13 }
     14 
     15 CFX_CSSNumberValue::~CFX_CSSNumberValue() {}
     16 
     17 float CFX_CSSNumberValue::Apply(float percentBase) const {
     18   switch (type_) {
     19     case CFX_CSSNumberType::Pixels:
     20     case CFX_CSSNumberType::Number:
     21       return value_ * 72 / 96;
     22     case CFX_CSSNumberType::EMS:
     23     case CFX_CSSNumberType::EXS:
     24       return value_ * percentBase;
     25     case CFX_CSSNumberType::Percent:
     26       return value_ * percentBase / 100.0f;
     27     case CFX_CSSNumberType::CentiMeters:
     28       return value_ * 28.3464f;
     29     case CFX_CSSNumberType::MilliMeters:
     30       return value_ * 2.8346f;
     31     case CFX_CSSNumberType::Inches:
     32       return value_ * 72.0f;
     33     case CFX_CSSNumberType::Picas:
     34       return value_ / 12.0f;
     35     case CFX_CSSNumberType::Points:
     36       return value_;
     37   }
     38   return value_;
     39 }
     40