| /* |
| * Copyright (C) 2007 Alp Toker <alp@atoker.com> |
| * |
| * 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 "SVGResourceClipper.h" |
| #include "AffineTransform.h" |
| #include "GraphicsContext.h" |
| |
| #include <cairo.h> |
| |
| namespace WebCore { |
| |
| void SVGResourceClipper::applyClip(GraphicsContext* context, const FloatRect& boundingBox) const |
| { |
| Vector<ClipData> data = m_clipData.clipData(); |
| unsigned int count = data.size(); |
| if (!count) |
| return; |
| |
| cairo_t* cr = context->platformContext(); |
| cairo_reset_clip(cr); |
| |
| for (unsigned int x = 0; x < count; x++) { |
| Path path = data[x].path; |
| if (path.isEmpty()) |
| continue; |
| path.closeSubpath(); |
| |
| if (data[x].bboxUnits) { |
| // Make use of the clipping units |
| AffineTransform transform; |
| transform.translate(boundingBox.x(), boundingBox.y()); |
| transform.scale(boundingBox.width(), boundingBox.height()); |
| path.transform(transform); |
| } |
| |
| cairo_set_fill_rule(cr, data[x].windRule == RULE_EVENODD ? CAIRO_FILL_RULE_EVEN_ODD : CAIRO_FILL_RULE_WINDING); |
| |
| // TODO: review this code, clipping may not be having the desired effect |
| context->clip(path); |
| } |
| } |
| |
| } // namespace WebCore |
| |
| #endif |