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Diffstat (limited to 'src/plugins/platforms/windows/qwindowsnativeimage.cpp')
| -rw-r--r-- | src/plugins/platforms/windows/qwindowsnativeimage.cpp | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/src/plugins/platforms/windows/qwindowsnativeimage.cpp b/src/plugins/platforms/windows/qwindowsnativeimage.cpp deleted file mode 100644 index ec9683ea8d..0000000000 --- a/src/plugins/platforms/windows/qwindowsnativeimage.cpp +++ /dev/null @@ -1,150 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qwindowsnativeimage.h" -#include "qwindowscontext.h" - -#include <QtGui/private/qpaintengine_p.h> -#include <QtGui/private/qpaintengine_raster_p.h> - -QT_BEGIN_NAMESPACE - -typedef struct { - BITMAPINFOHEADER bmiHeader; - DWORD redMask; - DWORD greenMask; - DWORD blueMask; -} BITMAPINFO_MASK; - -/*! - \class QWindowsNativeImage - \brief Windows Native image - - Note that size can be 0 (widget autotests with zero size), which - causes CreateDIBSection() to fail. - - \sa QWindowsBackingStore - \internal - \ingroup qt-lighthouse-win -*/ - -static inline HDC createDC() -{ - HDC display_dc = GetDC(0); - HDC hdc = CreateCompatibleDC(display_dc); - ReleaseDC(0, display_dc); - Q_ASSERT(hdc); - return hdc; -} - -static inline HBITMAP createDIB(HDC hdc, int width, int height, - QImage::Format format, - uchar **bitsIn) -{ - BITMAPINFO_MASK bmi; - memset(&bmi, 0, sizeof(bmi)); - bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - bmi.bmiHeader.biWidth = width; - bmi.bmiHeader.biHeight = -height; // top-down. - bmi.bmiHeader.biPlanes = 1; - bmi.bmiHeader.biSizeImage = 0; - - if (format == QImage::Format_RGB16) { - bmi.bmiHeader.biBitCount = 16; - bmi.bmiHeader.biCompression = BI_BITFIELDS; - bmi.redMask = 0xF800; - bmi.greenMask = 0x07E0; - bmi.blueMask = 0x001F; - } else { - bmi.bmiHeader.biBitCount = 32; - bmi.bmiHeader.biCompression = BI_RGB; - bmi.redMask = 0; - bmi.greenMask = 0; - bmi.blueMask = 0; - } - - uchar *bits = Q_NULLPTR; - HBITMAP bitmap = CreateDIBSection(hdc, reinterpret_cast<BITMAPINFO *>(&bmi), - DIB_RGB_COLORS, reinterpret_cast<void **>(&bits), 0, 0); - if (Q_UNLIKELY(!bitmap || !bits)) - qFatal("%s: CreateDIBSection failed.", __FUNCTION__); - - *bitsIn = bits; - return bitmap; -} - -QWindowsNativeImage::QWindowsNativeImage(int width, int height, - QImage::Format format) : - m_hdc(createDC()), - m_bitmap(0), - m_null_bitmap(0) -{ - if (width != 0 && height != 0) { - uchar *bits; - m_bitmap = createDIB(m_hdc, width, height, format, &bits); - m_null_bitmap = static_cast<HBITMAP>(SelectObject(m_hdc, m_bitmap)); - m_image = QImage(bits, width, height, format); - Q_ASSERT(m_image.paintEngine()->type() == QPaintEngine::Raster); - static_cast<QRasterPaintEngine *>(m_image.paintEngine())->setDC(m_hdc); - } else { - m_image = QImage(width, height, format); - } - - GdiFlush(); -} - -QWindowsNativeImage::~QWindowsNativeImage() -{ - if (m_hdc) { - if (m_bitmap) { - if (m_null_bitmap) - SelectObject(m_hdc, m_null_bitmap); - DeleteObject(m_bitmap); - } - DeleteDC(m_hdc); - } -} - -QImage::Format QWindowsNativeImage::systemFormat() -{ - static const int depth = QWindowsContext::instance()->screenDepth(); - return depth == 16 ? QImage::Format_RGB16 : QImage::Format_RGB32; -} - -QT_END_NAMESPACE |