Move CSS code to core

The xfa/fde/css code has no other links into xfa/. This CL moves the css
code to core/fxcrt/css and sets to only build when pdf_enable_xfa is
enabled.

Change-Id: Iefd208e1f83a28b80b567c574e841e87bce310be
Reviewed-on: https://pdfium-review.googlesource.com/9251
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

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_;
+}