| // Copyright 2017 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_cssnumbervalue.h" |
| |
| #include <math.h> |
| |
| CFX_CSSNumberValue::CFX_CSSNumberValue(CFX_CSSNumber number) |
| : CFX_CSSValue(PrimitiveType::kNumber), number_(number) { |
| if (number_.unit == CFX_CSSNumber::Unit::kNumber && |
| fabs(number_.value) < 0.001f) { |
| number_.value = 0.0f; |
| } |
| } |
| |
| CFX_CSSNumberValue::~CFX_CSSNumberValue() = default; |
| |
| float CFX_CSSNumberValue::Apply(float percentBase) const { |
| switch (number_.unit) { |
| case CFX_CSSNumber::Unit::kPixels: |
| case CFX_CSSNumber::Unit::kNumber: |
| return number_.value * 72 / 96; |
| case CFX_CSSNumber::Unit::kEMS: |
| case CFX_CSSNumber::Unit::kEXS: |
| return number_.value * percentBase; |
| case CFX_CSSNumber::Unit::kPercent: |
| return number_.value * percentBase / 100.0f; |
| case CFX_CSSNumber::Unit::kCentiMeters: |
| return number_.value * 28.3464f; |
| case CFX_CSSNumber::Unit::kMilliMeters: |
| return number_.value * 2.8346f; |
| case CFX_CSSNumber::Unit::kInches: |
| return number_.value * 72.0f; |
| case CFX_CSSNumber::Unit::kPicas: |
| return number_.value / 12.0f; |
| case CFX_CSSNumber::Unit::kPoints: |
| return number_.value; |
| } |
| } |