| /* |
| * Copyright (C) 2011 Apple Inc. All rights reserved. |
| * Copyright (C) 2011 Igalia S.L. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "BackingStore.h" |
| |
| #include "ShareableBitmap.h" |
| #include "UpdateInfo.h" |
| #include "WebPageProxy.h" |
| #include <WebCore/GraphicsContext.h> |
| #include <cairo.h> |
| |
| #if PLATFORM(EFL) |
| #include "EwkViewImpl.h" |
| #endif |
| |
| using namespace WebCore; |
| |
| namespace WebKit { |
| |
| void BackingStore::paint(cairo_t* context, const IntRect& rect) |
| { |
| ASSERT(m_backingStore); |
| |
| cairo_set_operator(context, CAIRO_OPERATOR_SOURCE); |
| cairo_set_source_surface(context, m_backingStore->cairoSurface(), 0, 0); |
| cairo_rectangle(context, rect.x(), rect.y(), rect.width(), rect.height()); |
| cairo_fill(context); |
| } |
| |
| void BackingStore::incorporateUpdate(ShareableBitmap* bitmap, const UpdateInfo& updateInfo) |
| { |
| if (!m_backingStore) |
| m_backingStore = WidgetBackingStore::create(m_webPageProxy->viewWidget(), size()); |
| |
| scroll(updateInfo.scrollRect, updateInfo.scrollOffset); |
| |
| // Paint all update rects. |
| IntPoint updateRectLocation = updateInfo.updateRectBounds.location(); |
| RefPtr<cairo_t> context(adoptRef(cairo_create(m_backingStore->cairoSurface()))); |
| GraphicsContext graphicsContext(context.get()); |
| for (size_t i = 0; i < updateInfo.updateRects.size(); ++i) { |
| IntRect updateRect = updateInfo.updateRects[i]; |
| IntRect srcRect = updateRect; |
| srcRect.move(-updateRectLocation.x(), -updateRectLocation.y()); |
| bitmap->paint(graphicsContext, updateRect.location(), srcRect); |
| } |
| |
| #if PLATFORM(EFL) |
| // Update ewk_view with new backingStore image. |
| EwkViewImpl* viewImpl = EwkViewImpl::fromEvasObject(m_webPageProxy->viewWidget()); |
| viewImpl->setImageData(cairo_image_surface_get_data(m_backingStore->cairoSurface()), m_size); |
| #endif |
| } |
| |
| void BackingStore::scroll(const IntRect& scrollRect, const IntSize& scrollOffset) |
| { |
| if (scrollOffset.isZero()) |
| return; |
| |
| ASSERT(m_backingStore); |
| m_backingStore->scroll(scrollRect, scrollOffset); |
| } |
| |
| } // namespace WebKit |