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-rw-r--r--core/fxcrt/css/cfx_cssnumbervalue.cpp39
1 files changed, 39 insertions, 0 deletions
diff --git a/core/fxcrt/css/cfx_cssnumbervalue.cpp b/core/fxcrt/css/cfx_cssnumbervalue.cpp
new file mode 100644
index 0000000000..d8f72479d4
--- /dev/null
+++ b/core/fxcrt/css/cfx_cssnumbervalue.cpp
@@ -0,0 +1,39 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// 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"
+
+CFX_CSSNumberValue::CFX_CSSNumberValue(CFX_CSSNumberType type, float value)
+ : CFX_CSSValue(CFX_CSSPrimitiveType::Number), type_(type), value_(value) {
+ if (type_ == CFX_CSSNumberType::Number && fabs(value_) < 0.001f)
+ value_ = 0.0f;
+}
+
+CFX_CSSNumberValue::~CFX_CSSNumberValue() {}
+
+float CFX_CSSNumberValue::Apply(float percentBase) const {
+ switch (type_) {
+ case CFX_CSSNumberType::Pixels:
+ case CFX_CSSNumberType::Number:
+ return value_ * 72 / 96;
+ case CFX_CSSNumberType::EMS:
+ case CFX_CSSNumberType::EXS:
+ return value_ * percentBase;
+ case CFX_CSSNumberType::Percent:
+ return value_ * percentBase / 100.0f;
+ case CFX_CSSNumberType::CentiMeters:
+ return value_ * 28.3464f;
+ case CFX_CSSNumberType::MilliMeters:
+ return value_ * 2.8346f;
+ case CFX_CSSNumberType::Inches:
+ return value_ * 72.0f;
+ case CFX_CSSNumberType::Picas:
+ return value_ / 12.0f;
+ case CFX_CSSNumberType::Points:
+ return value_;
+ }
+ return value_;
+}