106 lines
3.2 KiB
C++
106 lines
3.2 KiB
C++
/*
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* Copyright (C) 2016 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "DragImage.h"
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#if USE(DIRECT2D)
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#include "BitmapInfo.h"
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#include "CachedImage.h"
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#include "GraphicsContext.h"
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#include "HWndDC.h"
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#include "Image.h"
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#include "NotImplemented.h"
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#include "PlatformContextDirect2D.h"
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#include <d2d1.h>
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#include <windows.h>
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#include <wtf/RetainPtr.h>
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#include <wtf/win/GDIObject.h>
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namespace WebCore {
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void deallocContext(PlatformContextDirect2D* platformContext)
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{
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if (platformContext) {
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if (auto* renderTarget = platformContext->renderTarget())
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renderTarget->Release();
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}
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}
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GDIObject<HBITMAP> allocImage(HDC dc, IntSize size, PlatformContextDirect2D** platformContext)
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{
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BitmapInfo bmpInfo = BitmapInfo::create(size);
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LPVOID bits = nullptr;
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auto hbmp = adoptGDIObject(::CreateDIBSection(dc, &bmpInfo, DIB_RGB_COLORS, &bits, 0, 0));
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if (!platformContext || !hbmp)
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return hbmp;
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// FIXME: Use GDI Interop layer to create HBITMAP from D2D Bitmap
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notImplemented();
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return hbmp;
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}
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DragImageRef scaleDragImage(DragImageRef imageRef, FloatSize scale)
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{
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// FIXME: due to the way drag images are done on windows we need
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// to preprocess the alpha channel <rdar://problem/5015946>
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if (!imageRef)
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return nullptr;
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GDIObject<HBITMAP> hbmp;
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auto image = adoptGDIObject(imageRef);
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IntSize srcSize = dragImageSize(image.get());
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IntSize dstSize(static_cast<int>(srcSize.width() * scale.width()), static_cast<int>(srcSize.height() * scale.height()));
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HWndDC dc(nullptr);
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auto dstDC = adoptGDIObject(::CreateCompatibleDC(dc));
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if (dstDC)
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notImplemented();
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if (!hbmp)
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hbmp.swap(image);
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return hbmp.leak();
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}
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DragImageRef createDragImageFromImage(Image* img, ImageOrientation)
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{
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HWndDC dc(nullptr);
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auto workingDC = adoptGDIObject(::CreateCompatibleDC(dc));
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if (!workingDC)
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return nullptr;
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notImplemented();
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return nullptr;
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}
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}
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#endif
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