dom/svg/SVGGeometryProperty.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "SVGGeometryProperty.h"
   8 #include "SVGCircleElement.h"
   9 #include "SVGEllipseElement.h"
  10 #include "SVGForeignObjectElement.h"
  11 #include "SVGImageElement.h"
  12 #include "SVGRectElement.h"
  13 #include "SVGUseElement.h"
  14
  15 namespace mozilla::dom::SVGGeometryProperty {
  16
  17 nsCSSPropertyID AttrEnumToCSSPropId(const SVGElement* aElement,
  18                                     uint8_t aAttrEnum) {
  19   // This is a very trivial function only applied to a few elements,
  20   // so we want to avoid making it virtual.
  21   if (aElement->IsSVGElement(nsGkAtoms::rect)) {
  22     return SVGRectElement::GetCSSPropertyIdForAttrEnum(aAttrEnum);
  23   }
  24   if (aElement->IsSVGElement(nsGkAtoms::circle)) {
  25     return SVGCircleElement::GetCSSPropertyIdForAttrEnum(aAttrEnum);
  26   }
  27   if (aElement->IsSVGElement(nsGkAtoms::ellipse)) {
  28     return SVGEllipseElement::GetCSSPropertyIdForAttrEnum(aAttrEnum);
  29   }
  30   if (aElement->IsSVGElement(nsGkAtoms::image)) {
  31     return SVGImageElement::GetCSSPropertyIdForAttrEnum(aAttrEnum);
  32   }
  33   if (aElement->IsSVGElement(nsGkAtoms::foreignObject)) {
  34     return SVGForeignObjectElement::GetCSSPropertyIdForAttrEnum(aAttrEnum);
  35   }
  36   if (aElement->IsSVGElement(nsGkAtoms::use)) {
  37     return SVGUseElement::GetCSSPropertyIdForAttrEnum(aAttrEnum);
  38   }
  39   return eCSSProperty_UNKNOWN;
  40 }
  41
  42 bool IsNonNegativeGeometryProperty(nsCSSPropertyID aProp) {
  43   return aProp == eCSSProperty_r || aProp == eCSSProperty_rx ||
  44          aProp == eCSSProperty_ry || aProp == eCSSProperty_width ||
  45          aProp == eCSSProperty_height;
  46 }
  47
  48 bool ElementMapsLengthsToStyle(SVGElement const* aElement) {
  49   return aElement->IsAnyOfSVGElements(nsGkAtoms::rect, nsGkAtoms::circle,
  50                                       nsGkAtoms::ellipse, nsGkAtoms::image,
  51                                       nsGkAtoms::foreignObject, nsGkAtoms::use);
  52 }
  53
  54 }  // namespace mozilla::dom::SVGGeometryProperty