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/*
* Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
* Copyright (C) Research In Motion Limited 2011. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#if ENABLE(SVG)
#include "SVGColor.h"
#include "CSSParser.h"
#include "RGBColor.h"
#include "SVGException.h"
namespace WebCore {
SVGColor::SVGColor(const SVGColorType& colorType)
: m_colorType(colorType)
{
}
PassRefPtr<RGBColor> SVGColor::rgbColor() const
{
return RGBColor::create(m_color.rgb());
}
void SVGColor::setRGBColor(const String& rgbColor, ExceptionCode& ec)
{
Color color = SVGColor::colorFromRGBColorString(rgbColor);
if (!color.isValid()) {
ec = SVGException::SVG_INVALID_VALUE_ERR;
return;
}
m_color = color;
m_colorType = SVG_COLORTYPE_RGBCOLOR;
// FIXME: A follow up patch will call valueChanged() here.
}
Color SVGColor::colorFromRGBColorString(const String& colorString)
{
// FIXME: Rework css parser so it is more SVG aware.
RGBA32 color;
if (CSSParser::parseColor(color, colorString.stripWhiteSpace()))
return color;
return Color();
}
void SVGColor::setRGBColorICCColor(const String& rgbColor, const String& iccColor, ExceptionCode& ec)
{
if (rgbColor.isEmpty() || iccColor.isEmpty()) {
ec = SVGException::SVG_INVALID_VALUE_ERR;
return;
}
// FIXME: No support for ICC colors. We're just ignoring it.
setRGBColor(rgbColor, ec);
if (ec)
return;
m_colorType = SVG_COLORTYPE_RGBCOLOR_ICCCOLOR;
// FIXME: A follow up patch will call valueChanged() here.
}
void SVGColor::setColor(unsigned short colorType, const String& rgbColor, const String& iccColor, ExceptionCode& ec)
{
if (colorType > SVG_COLORTYPE_CURRENTCOLOR) {
ec = SVGException::SVG_WRONG_TYPE_ERR;
return;
}
bool requiresRGBColor = false;
bool requiresICCColor = false;
SVGColorType type = static_cast<SVGColorType>(colorType);
switch (type) {
case SVG_COLORTYPE_UNKNOWN:
// Spec: It is invalid to attempt to define a new value of this type or to attempt to switch an existing value to this type.
ec = SVGException::SVG_INVALID_VALUE_ERR;
return;
case SVG_COLORTYPE_RGBCOLOR_ICCCOLOR:
requiresICCColor = true;
case SVG_COLORTYPE_RGBCOLOR:
requiresRGBColor = true;
break;
case SVG_COLORTYPE_CURRENTCOLOR:
break;
}
// Spec: If colorType requires an RGBColor, then rgbColor must be a string that matches <color>; otherwise, rgbColor must be null.
if (requiresRGBColor && rgbColor.isEmpty()) {
ec = SVGException::SVG_INVALID_VALUE_ERR;
return;
}
// Spec: If colorType requires an SVGICCColor, then iccColor must be a string that matches <icccolor>; otherwise, iccColor must be null.
if (requiresICCColor && iccColor.isEmpty()) {
ec = SVGException::SVG_INVALID_VALUE_ERR;
return;
}
// FIXME: A follow up patch will call valueChanged() here.
m_colorType = type;
if (!requiresRGBColor) {
ASSERT(!requiresICCColor);
m_color = Color();
return;
}
if (requiresICCColor)
setRGBColorICCColor(rgbColor, iccColor, ec);
else
setRGBColor(rgbColor, ec);
}
String SVGColor::cssText() const
{
switch (m_colorType) {
case SVG_COLORTYPE_UNKNOWN:
return String();
case SVG_COLORTYPE_RGBCOLOR_ICCCOLOR:
case SVG_COLORTYPE_RGBCOLOR:
// FIXME: No ICC color support.
return m_color.serialized();
case SVG_COLORTYPE_CURRENTCOLOR:
if (m_color.isValid())
return m_color.serialized();
return "currentColor";
}
ASSERT_NOT_REACHED();
return String();
}
}
#endif // ENABLE(SVG)
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