| /* |
| * 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 2010-2011. 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 "SVGPaint.h" |
| |
| #include "SVGException.h" |
| #include "SVGURIReference.h" |
| #include <wtf/text/WTFString.h> |
| |
| namespace WebCore { |
| |
| static inline SVGColor::SVGColorType colorTypeForPaintType(const SVGPaint::SVGPaintType& paintType) |
| { |
| switch (paintType) { |
| case SVGPaint::SVG_PAINTTYPE_NONE: |
| case SVGPaint::SVG_PAINTTYPE_UNKNOWN: |
| case SVGPaint::SVG_PAINTTYPE_URI: |
| case SVGPaint::SVG_PAINTTYPE_URI_NONE: |
| return SVGColor::SVG_COLORTYPE_UNKNOWN; |
| case SVGPaint::SVG_PAINTTYPE_URI_RGBCOLOR: |
| case SVGPaint::SVG_PAINTTYPE_RGBCOLOR: |
| return SVGColor::SVG_COLORTYPE_RGBCOLOR; |
| case SVGPaint::SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR: |
| case SVGPaint::SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR: |
| return SVGColor::SVG_COLORTYPE_RGBCOLOR_ICCCOLOR; |
| case SVGPaint::SVG_PAINTTYPE_URI_CURRENTCOLOR: |
| case SVGPaint::SVG_PAINTTYPE_CURRENTCOLOR: |
| return SVGColor::SVG_COLORTYPE_CURRENTCOLOR; |
| } |
| |
| ASSERT_NOT_REACHED(); |
| return SVGColor::SVG_COLORTYPE_UNKNOWN; |
| } |
| |
| SVGPaint::SVGPaint(const SVGPaintType& paintType, const String& uri) |
| : SVGColor(colorTypeForPaintType(paintType)) |
| , m_paintType(paintType) |
| , m_uri(uri) |
| { |
| } |
| |
| void SVGPaint::setUri(const String& uri) |
| { |
| // Spec: Sets the paintType to SVG_PAINTTYPE_URI_NONE and sets uri to the specified value. |
| m_uri = uri; |
| m_paintType = SVG_PAINTTYPE_URI_NONE; |
| setColor(Color()); |
| setColorType(colorTypeForPaintType(m_paintType)); |
| setNeedsStyleRecalc(); |
| } |
| |
| void SVGPaint::setPaint(unsigned short paintType, const String& uri, const String& rgbColor, const String& iccColor, ExceptionCode& ec) |
| { |
| if ((paintType > SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR && paintType < SVG_PAINTTYPE_NONE) || paintType > SVG_PAINTTYPE_URI) { |
| ec = SVGException::SVG_WRONG_TYPE_ERR; |
| return; |
| } |
| |
| bool requiresURI = false; |
| |
| SVGPaintType type = static_cast<SVGPaintType>(paintType); |
| switch (type) { |
| case SVG_PAINTTYPE_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_PAINTTYPE_RGBCOLOR: |
| case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR: |
| case SVG_PAINTTYPE_NONE: |
| case SVG_PAINTTYPE_CURRENTCOLOR: |
| break; |
| case SVG_PAINTTYPE_URI_NONE: |
| case SVG_PAINTTYPE_URI_CURRENTCOLOR: |
| case SVG_PAINTTYPE_URI_RGBCOLOR: |
| case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR: |
| case SVG_PAINTTYPE_URI: |
| requiresURI = true; |
| break; |
| }; |
| |
| // Spec: If paintType requires a URI, then uri must be non-null; otherwise, uri must be null. |
| if (requiresURI && uri.isEmpty()) { |
| ec = SVGException::SVG_INVALID_VALUE_ERR; |
| return; |
| } |
| |
| SVGColor::SVGColorType colorType = colorTypeForPaintType(type); |
| if (colorType == SVGColor::SVG_COLORTYPE_UNKNOWN) { |
| // The standard setColor() code path used in the else branch |
| // raises an exception when attempting to switch to an unknown color type. |
| // Here we explicitely want to reset to Color() and an unknown type, so force it. |
| setColorType(colorType); |
| setColor(Color()); |
| } else { |
| setColor(colorType, rgbColor, iccColor, ec); |
| if (ec) |
| return; |
| } |
| |
| m_paintType = type; |
| m_uri = requiresURI ? uri : String(); |
| setNeedsStyleRecalc(); |
| } |
| |
| String SVGPaint::cssText() const |
| { |
| switch (m_paintType) { |
| case SVG_PAINTTYPE_UNKNOWN: |
| case SVG_PAINTTYPE_RGBCOLOR: |
| case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR: |
| case SVG_PAINTTYPE_CURRENTCOLOR: |
| return SVGColor::cssText(); |
| case SVG_PAINTTYPE_NONE: |
| return "none"; |
| case SVG_PAINTTYPE_URI_NONE: |
| return m_uri + " none"; |
| case SVG_PAINTTYPE_URI_CURRENTCOLOR: |
| case SVG_PAINTTYPE_URI_RGBCOLOR: |
| case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR: { |
| String color = SVGColor::cssText(); |
| if (color.isEmpty()) |
| return m_uri; |
| return m_uri + ' ' + color; |
| } |
| case SVG_PAINTTYPE_URI: |
| return m_uri; |
| }; |
| |
| ASSERT_NOT_REACHED(); |
| return String(); |
| } |
| |
| bool SVGPaint::matchesTargetURI(const String& referenceId) |
| { |
| switch (m_paintType) { |
| case SVG_PAINTTYPE_UNKNOWN: |
| case SVG_PAINTTYPE_RGBCOLOR: |
| case SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR: |
| case SVG_PAINTTYPE_CURRENTCOLOR: |
| case SVG_PAINTTYPE_NONE: |
| return false; |
| case SVG_PAINTTYPE_URI_NONE: |
| case SVG_PAINTTYPE_URI_CURRENTCOLOR: |
| case SVG_PAINTTYPE_URI_RGBCOLOR: |
| case SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR: |
| case SVG_PAINTTYPE_URI: |
| return referenceId == SVGURIReference::getTarget(m_uri); |
| } |
| |
| ASSERT_NOT_REACHED(); |
| return false; |
| } |
| |
| } |
| |
| #endif // ENABLE(SVG) |