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/*
* Copyright (C) 2009 Zan Dobersek <zandobersek@gmail.com>
* Copyright (C) 2010 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE 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 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 "DumpRenderTree.h"
#include "GtkVersioning.h"
#include "PixelDumpSupportCairo.h"
#include "WebCoreSupport/DumpRenderTreeSupportGtk.h"
#include <webkit/webkit.h>
static void paintOverlay(cairo_surface_t* surface)
{
cairo_t* context = cairo_create(surface);
// Paint a transparent black overlay from which the repainted rectangles are then cleared.
// The alpha component of the overlay should have a value of 0.66, as on other ports.
cairo_set_source_rgba(context, 0.0, 0.0, 0.0, 0.66);
cairo_rectangle(context, 0, 0, cairo_image_surface_get_width(surface), cairo_image_surface_get_height(surface));
cairo_fill(context);
GSList* trackedRectsList = DumpRenderTreeSupportGtk::trackedRepaintRects(mainFrame);
for (GSList* listElement = trackedRectsList; listElement; listElement = g_slist_next(listElement)) {
GdkRectangle* rect = static_cast<GdkRectangle*>(listElement->data);
cairo_set_operator(context, CAIRO_OPERATOR_CLEAR);
cairo_rectangle(context, rect->x, rect->y, rect->width, rect->height);
cairo_fill(context);
}
g_slist_free_full(trackedRectsList, g_free);
cairo_destroy(context);
}
static void fillRepaintOverlayIntoContext(cairo_t* context, gint width, gint height)
{
cairo_surface_t* overlaySurface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
paintOverlay(overlaySurface);
cairo_set_source_surface(context, overlaySurface, 0, 0);
cairo_rectangle(context, 0, 0, width, height);
cairo_fill(context);
cairo_surface_destroy(overlaySurface);
}
PassRefPtr<BitmapContext> createBitmapContextFromWebView(bool, bool, bool, bool drawSelectionRect)
{
WebKitWebView* view = webkit_web_frame_get_web_view(mainFrame);
GtkWidget* viewContainer = gtk_widget_get_parent(GTK_WIDGET(view));
gint width, height;
#ifdef GTK_API_VERSION_2
GdkPixmap* pixmap = gtk_widget_get_snapshot(viewContainer, 0);
gdk_pixmap_get_size(pixmap, &width, &height);
#else
width = gtk_widget_get_allocated_width(viewContainer);
height = gtk_widget_get_allocated_height(viewContainer);
#endif
while (gtk_events_pending())
gtk_main_iteration();
cairo_surface_t* imageSurface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t* context = cairo_create(imageSurface);
#ifdef GTK_API_VERSION_2
gdk_cairo_set_source_pixmap(context, pixmap, 0, 0);
cairo_paint(context);
g_object_unref(pixmap);
#else
gtk_widget_draw(viewContainer, context);
#endif
if (DumpRenderTreeSupportGtk::isTrackingRepaints(mainFrame))
fillRepaintOverlayIntoContext(context, width, height);
if (drawSelectionRect) {
cairo_rectangle_int_t rectangle;
DumpRenderTreeSupportGtk::rectangleForSelection(mainFrame, &rectangle);
cairo_set_line_width(context, 1.0);
cairo_rectangle(context, rectangle.x, rectangle.y, rectangle.width, rectangle.height);
cairo_set_source_rgba(context, 1.0, 0.0, 0.0, 1.0);
cairo_stroke(context);
}
cairo_surface_destroy(imageSurface);
return BitmapContext::createByAdoptingBitmapAndContext(0, context);
}
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