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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include <QtCore/qt_windows.h>
#include "qwindowsdirect2dcontext.h"
#include "qwindowsdirect2dintegration.h"
#include "qwindowsdirect2dbackingstore.h"
#include "qwindowsdirect2dplatformpixmap.h"
#include "qwindowsdirect2dnativeinterface.h"
#include "qwindowsdirect2dwindow.h"
#include "qwindowscontext.h"
#include <qplatformdefs.h>
#include <QtCore/qcoreapplication.h>
#include <QtCore/qversionnumber.h>
#include <QtGui/private/qpixmap_raster_p.h>
#include <QtGui/qpa/qwindowsysteminterface.h>
#include <QVarLengthArray>
QT_BEGIN_NAMESPACE
class QWindowsDirect2DIntegrationPrivate
{
public:
QWindowsDirect2DNativeInterface m_nativeInterface;
QWindowsDirect2DContext m_d2dContext;
};
static QVersionNumber systemD2DVersion()
{
static const int bufSize = 512;
TCHAR filename[bufSize];
UINT i = GetSystemDirectory(filename, bufSize);
if (i > 0 && i < bufSize) {
if (_tcscat_s(filename, bufSize, __TEXT("\\d2d1.dll")) == 0) {
DWORD versionInfoSize = GetFileVersionInfoSize(filename, nullptr);
if (versionInfoSize) {
QVarLengthArray<BYTE> info(static_cast<int>(versionInfoSize));
if (GetFileVersionInfo(filename, 0, versionInfoSize, info.data())) {
UINT size;
DWORD *fi;
if (VerQueryValue(info.constData(), __TEXT("\\"),
reinterpret_cast<void **>(&fi), &size) && size) {
const auto *verInfo = reinterpret_cast<const VS_FIXEDFILEINFO *>(fi);
return QVersionNumber{HIWORD(verInfo->dwFileVersionMS), LOWORD(verInfo->dwFileVersionMS),
HIWORD(verInfo->dwFileVersionLS), LOWORD(verInfo->dwFileVersionLS)};
}
}
}
}
}
return QVersionNumber();
}
static QVersionNumber minimumD2DVersion()
{
// 6.2.9200.16492 corresponds to Direct2D 1.1 on Windows 7 SP1 with Platform Update
enum : int {
D2DMinVersionPart1 = 6,
D2DMinVersionPart2 = 2,
D2DMinVersionPart3 = 9200,
D2DMinVersionPart4 = 16492
};
return QVersionNumber{D2DMinVersionPart1, D2DMinVersionPart2, D2DMinVersionPart3, D2DMinVersionPart4};
}
QWindowsDirect2DIntegration *QWindowsDirect2DIntegration::create(const QStringList ¶mList)
{
const QVersionNumber systemVersion = systemD2DVersion();
const QVersionNumber minimumVersion = minimumD2DVersion();
if (!systemVersion.isNull() && systemVersion < minimumVersion) {
QString msg = QCoreApplication::translate("QWindowsDirect2DIntegration",
"Qt cannot load the direct2d platform plugin because " \
"the Direct2D version on this system is too old. The " \
"minimum system requirement for this platform plugin " \
"is Windows 7 SP1 with Platform Update.\n\n" \
"The minimum Direct2D version required is %1. " \
"The Direct2D version on this system is %2.")
.arg(minimumVersion.toString(), systemVersion.toString());
QString caption = QCoreApplication::translate("QWindowsDirect2DIntegration",
"Cannot load direct2d platform plugin");
MessageBoxW(nullptr,
msg.toStdWString().c_str(),
caption.toStdWString().c_str(),
MB_OK | MB_ICONERROR);
return nullptr;
}
auto *integration = new QWindowsDirect2DIntegration(paramList);
if (!integration->init()) {
delete integration;
integration = nullptr;
}
return integration;
}
QWindowsDirect2DIntegration::~QWindowsDirect2DIntegration()
{
}
QWindowsDirect2DIntegration *QWindowsDirect2DIntegration::instance()
{
return static_cast<QWindowsDirect2DIntegration *>(QWindowsIntegration::instance());
}
QWindowsWindow *QWindowsDirect2DIntegration::createPlatformWindowHelper(QWindow *window, const QWindowsWindowData &data) const
{
return new QWindowsDirect2DWindow(window, data);
}
QPlatformNativeInterface *QWindowsDirect2DIntegration::nativeInterface() const
{
return &d->m_nativeInterface;
}
QPlatformPixmap *QWindowsDirect2DIntegration::createPlatformPixmap(QPlatformPixmap::PixelType type) const
{
switch (type) {
case QPlatformPixmap::BitmapType:
return new QRasterPlatformPixmap(type);
break;
default:
return new QWindowsDirect2DPlatformPixmap(type);
break;
}
}
QPlatformBackingStore *QWindowsDirect2DIntegration::createPlatformBackingStore(QWindow *window) const
{
return new QWindowsDirect2DBackingStore(window);
}
QWindowsDirect2DContext *QWindowsDirect2DIntegration::direct2DContext() const
{
return &d->m_d2dContext;
}
QWindowsDirect2DIntegration::QWindowsDirect2DIntegration(const QStringList ¶mList)
: QWindowsIntegration(paramList)
, d(new QWindowsDirect2DIntegrationPrivate)
{
}
bool QWindowsDirect2DIntegration::init()
{
return d->m_d2dContext.init();
}
QT_END_NAMESPACE
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