blob: 3883b687a37ff96829cd820d2322bf66eead4d86 [file] [log] [blame]
/*
* Copyright (C) 2005, 2006, 2007 Apple Inc. All rights reserved.
* (C) 2007 Graham Dennis (graham.dennis@gmail.com)
* (C) 2007 Eric Seidel <eric@webkit.org>
*
* 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 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.
*/
#pragma once
#include <wtf/RefCounted.h>
#include <wtf/RetainPtr.h>
#if PLATFORM(WIN)
#include <windows.h>
#endif
typedef struct CGContext* CGContextRef;
#if PLATFORM(COCOA)
typedef void* PlatformBitmapBuffer;
#elif PLATFORM(WIN)
typedef HBITMAP PlatformBitmapBuffer;
#endif
class BitmapContext : public RefCounted<BitmapContext> {
public:
static Ref<BitmapContext> createByAdoptingBitmapAndContext(PlatformBitmapBuffer buffer, RetainPtr<CGContextRef>&& context)
{
return adoptRef(*new BitmapContext(buffer, WTFMove(context)));
}
~BitmapContext()
{
if (m_buffer)
#if PLATFORM(COCOA)
free(m_buffer);
#elif PLATFORM(WIN)
DeleteObject(m_buffer);
#endif
}
CGContextRef cgContext() const { return m_context.get(); }
double scaleFactor() const { return m_scaleFactor; }
void setScaleFactor(double scaleFactor) { m_scaleFactor = scaleFactor; }
private:
BitmapContext(PlatformBitmapBuffer buffer, RetainPtr<CGContextRef>&& context)
: m_buffer(buffer)
, m_context(WTFMove(context))
{
}
PlatformBitmapBuffer m_buffer;
RetainPtr<CGContextRef> m_context;
double m_scaleFactor { 1.0 };
};
#if PLATFORM(COCOA)
RefPtr<BitmapContext> createBitmapContext(size_t pixelsWide, size_t pixelsHigh, size_t& rowBytes, void*& buffer);
#endif
RefPtr<BitmapContext> createBitmapContextFromWebView(bool onscreen, bool incrementalRepaint, bool sweepHorizontally, bool drawSelectionRect);