DragImageDirect2D.cpp [plain text]
#include "config.h"
#include "DragImage.h"
#if USE(DIRECT2D)
#include "BitmapInfo.h"
#include "CachedImage.h"
#include "GraphicsContext.h"
#include "HWndDC.h"
#include "Image.h"
#include "NotImplemented.h"
#include "PlatformContextDirect2D.h"
#include <d2d1.h>
#include <windows.h>
#include <wtf/RetainPtr.h>
#include <wtf/win/GDIObject.h>
namespace WebCore {
void deallocContext(PlatformContextDirect2D* platformContext)
{
if (platformContext) {
if (auto* renderTarget = platformContext->renderTarget())
renderTarget->Release();
}
}
GDIObject<HBITMAP> allocImage(HDC dc, IntSize size, PlatformContextDirect2D** platformContext)
{
BitmapInfo bmpInfo = BitmapInfo::create(size);
LPVOID bits = nullptr;
auto hbmp = adoptGDIObject(::CreateDIBSection(dc, &bmpInfo, DIB_RGB_COLORS, &bits, 0, 0));
if (!platformContext || !hbmp)
return hbmp;
notImplemented();
return hbmp;
}
DragImageRef scaleDragImage(DragImageRef imageRef, FloatSize scale)
{
if (!imageRef)
return nullptr;
GDIObject<HBITMAP> hbmp;
auto image = adoptGDIObject(imageRef);
IntSize srcSize = dragImageSize(image.get());
IntSize dstSize(static_cast<int>(srcSize.width() * scale.width()), static_cast<int>(srcSize.height() * scale.height()));
HWndDC dc(nullptr);
auto dstDC = adoptGDIObject(::CreateCompatibleDC(dc));
if (dstDC)
notImplemented();
if (!hbmp)
hbmp.swap(image);
return hbmp.leak();
}
DragImageRef createDragImageFromImage(Image* img, ImageOrientation)
{
HWndDC dc(nullptr);
auto workingDC = adoptGDIObject(::CreateCompatibleDC(dc));
if (!workingDC)
return nullptr;
notImplemented();
return nullptr;
}
}
#endif