/* * Copyright (C) 2006 Apple Computer, Inc. All rights reserved. * Copyright (C) 2007 Alp Toker <alp@atoker.com> * Copyright (C) 2008 Brent Fulgham <bfulgham@gmail.com> * * 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 COMPUTER, INC. ``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 COMPUTER, INC. OR * 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 "GraphicsContext.h" #include <cairo.h> #include <math.h> #include <stdio.h> #include <wtf/MathExtras.h> #if PLATFORM(GTK) #include <gdk/gdk.h> #include <pango/pango.h> #elif PLATFORM(WIN) #include <cairo-win32.h> #endif namespace WebCore { class GraphicsContextPlatformPrivate { public: GraphicsContextPlatformPrivate() : cr(0) #if PLATFORM(GTK) , expose(0) #elif PLATFORM(WIN) // NOTE: These may note be needed: review and remove once Cairo implementation is complete , m_hdc(0) , m_transparencyCount(0) #endif { } ~GraphicsContextPlatformPrivate() { cairo_destroy(cr); } #if PLATFORM(WIN) // On Windows, we need to update the HDC for form controls to draw in the right place. void beginTransparencyLayer() { m_transparencyCount++; } void endTransparencyLayer() { m_transparencyCount--; } #endif cairo_t* cr; Vector<float> layers; #if PLATFORM(GTK) GdkEventExpose* expose; #elif PLATFORM(WIN) HDC m_hdc; unsigned m_transparencyCount; #endif }; } // namespace WebCore