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Diffstat (limited to 'src/plugins/platforms/windows/pixmaputils.cpp')
| -rw-r--r-- | src/plugins/platforms/windows/pixmaputils.cpp | 316 |
1 files changed, 0 insertions, 316 deletions
diff --git a/src/plugins/platforms/windows/pixmaputils.cpp b/src/plugins/platforms/windows/pixmaputils.cpp deleted file mode 100644 index 539b3b3f17..0000000000 --- a/src/plugins/platforms/windows/pixmaputils.cpp +++ /dev/null @@ -1,316 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "pixmaputils.h" - -#include <QtGui/QBitmap> -#include <QtGui/QImage> -#include <QtGui/QPlatformPixmap> -#include <QtGui/private/qpixmap_raster_p.h> - -#include <QtCore/QScopedArrayPointer> -#include <QtCore/QDebug> - -#include <string.h> - -QT_BEGIN_NAMESPACE - -HBITMAP createIconMask(const QBitmap &bitmap) -{ - QImage bm = bitmap.toImage().convertToFormat(QImage::Format_Mono); - const int w = bm.width(); - const int h = bm.height(); - const int bpl = ((w+15)/16)*2; // bpl, 16 bit alignment - QScopedArrayPointer<uchar> bits(new uchar[bpl * h]); - bm.invertPixels(); - for (int y = 0; y < h; ++y) - memcpy(bits.data() + y * bpl, bm.scanLine(y), bpl); - HBITMAP hbm = CreateBitmap(w, h, 1, 1, bits.data()); - return hbm; -} - -HBITMAP qPixmapToWinHBITMAP(const QPixmap &p, HBitmapFormat format) -{ - if (p.isNull()) - return 0; - - HBITMAP bitmap = 0; - if (p.handle()->classId() != QPlatformPixmap::RasterClass) { - QRasterPlatformPixmap *data = new QRasterPlatformPixmap(p.depth() == 1 ? - QRasterPlatformPixmap::BitmapType : QRasterPlatformPixmap::PixmapType); - data->fromImage(p.toImage(), Qt::AutoColor); - return qPixmapToWinHBITMAP(QPixmap(data), format); - } - - QRasterPlatformPixmap *d = static_cast<QRasterPlatformPixmap*>(p.handle()); - const QImage *rasterImage = d->buffer(); - const int w = rasterImage->width(); - const int h = rasterImage->height(); - - HDC display_dc = GetDC(0); - - // Define the header - BITMAPINFO bmi; - memset(&bmi, 0, sizeof(bmi)); - bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - bmi.bmiHeader.biWidth = w; - bmi.bmiHeader.biHeight = -h; - bmi.bmiHeader.biPlanes = 1; - bmi.bmiHeader.biBitCount = 32; - bmi.bmiHeader.biCompression = BI_RGB; - bmi.bmiHeader.biSizeImage = w * h * 4; - - // Create the pixmap - uchar *pixels = 0; - bitmap = CreateDIBSection(display_dc, &bmi, DIB_RGB_COLORS, (void **) &pixels, 0, 0); - ReleaseDC(0, display_dc); - if (!bitmap) { - qErrnoWarning("%s, failed to create dibsection", __FUNCTION__); - return 0; - } - if (!pixels) { - qErrnoWarning("%s, did not allocate pixel data", __FUNCTION__); - return 0; - } - - // Copy over the data - QImage::Format imageFormat = QImage::Format_ARGB32; - if (format == HBitmapAlpha) - imageFormat = QImage::Format_RGB32; - else if (format == HBitmapPremultipliedAlpha) - imageFormat = QImage::Format_ARGB32_Premultiplied; - const QImage image = rasterImage->convertToFormat(imageFormat); - const int bytes_per_line = w * 4; - for (int y=0; y < h; ++y) - memcpy(pixels + y * bytes_per_line, image.scanLine(y), bytes_per_line); - - return bitmap; -} - -QPixmap qPixmapFromWinHBITMAP(HBITMAP bitmap, HBitmapFormat format) -{ - // Verify size - BITMAP bitmap_info; - memset(&bitmap_info, 0, sizeof(BITMAP)); - - const int res = GetObject(bitmap, sizeof(BITMAP), &bitmap_info); - if (!res) { - qErrnoWarning("QPixmap::fromWinHBITMAP(), failed to get bitmap info"); - return QPixmap(); - } - const int w = bitmap_info.bmWidth; - const int h = bitmap_info.bmHeight; - - BITMAPINFO bmi; - memset(&bmi, 0, sizeof(bmi)); - bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - bmi.bmiHeader.biWidth = w; - bmi.bmiHeader.biHeight = -h; - bmi.bmiHeader.biPlanes = 1; - bmi.bmiHeader.biBitCount = 32; - bmi.bmiHeader.biCompression = BI_RGB; - bmi.bmiHeader.biSizeImage = w * h * 4; - - // Get bitmap bits - QScopedArrayPointer<uchar> data(new uchar[bmi.bmiHeader.biSizeImage]); - HDC display_dc = GetDC(0); - if (!GetDIBits(display_dc, bitmap, 0, h, data.data(), &bmi, DIB_RGB_COLORS)) { - ReleaseDC(0, display_dc); - qWarning("%s, failed to get bitmap bits", __FUNCTION__); - return QPixmap(); - } - - QImage::Format imageFormat = QImage::Format_ARGB32_Premultiplied; - uint mask = 0; - if (format == HBitmapNoAlpha) { - imageFormat = QImage::Format_RGB32; - mask = 0xff000000; - } - - // Create image and copy data into image. - QImage image(w, h, imageFormat); - if (image.isNull()) { // failed to alloc? - ReleaseDC(0, display_dc); - qWarning("%s, failed create image of %dx%d", __FUNCTION__, w, h); - return QPixmap(); - } - const int bytes_per_line = w * sizeof(QRgb); - for (int y = 0; y < h; ++y) { - QRgb *dest = (QRgb *) image.scanLine(y); - const QRgb *src = (const QRgb *) (data.data() + y * bytes_per_line); - for (int x = 0; x < w; ++x) { - const uint pixel = src[x]; - if ((pixel & 0xff000000) == 0 && (pixel & 0x00ffffff) != 0) - dest[x] = pixel | 0xff000000; - else - dest[x] = pixel | mask; - } - } - ReleaseDC(0, display_dc); - return QPixmap::fromImage(image); -} - -HICON qPixmapToWinHICON(const QPixmap &p) -{ - QBitmap maskBitmap = p.mask(); - if (maskBitmap.isNull()) { - maskBitmap = QBitmap(p.size()); - maskBitmap.fill(Qt::color1); - } - - ICONINFO ii; - ii.fIcon = true; - ii.hbmMask = createIconMask(maskBitmap); - ii.hbmColor = qPixmapToWinHBITMAP(p, HBitmapAlpha); - ii.xHotspot = 0; - ii.yHotspot = 0; - - HICON hIcon = CreateIconIndirect(&ii); - - DeleteObject(ii.hbmColor); - DeleteObject(ii.hbmMask); - - return hIcon; -} - -static QImage qImageFromWinHBITMAP(HDC hdc, HBITMAP bitmap, int w, int h) -{ - BITMAPINFO bmi; - memset(&bmi, 0, sizeof(bmi)); - bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - bmi.bmiHeader.biWidth = w; - bmi.bmiHeader.biHeight = -h; - bmi.bmiHeader.biPlanes = 1; - bmi.bmiHeader.biBitCount = 32; - bmi.bmiHeader.biCompression = BI_RGB; - bmi.bmiHeader.biSizeImage = w * h * 4; - - QImage image(w, h, QImage::Format_ARGB32_Premultiplied); - if (image.isNull()) - return image; - - // Get bitmap bits - QScopedPointer<uchar> data(new uchar [bmi.bmiHeader.biSizeImage]); - if (!GetDIBits(hdc, bitmap, 0, h, data.data(), &bmi, DIB_RGB_COLORS)) { - qErrnoWarning("%s: failed to get bitmap bits", __FUNCTION__); - return QImage(); - } - // Create image and copy data into image. - for (int y = 0; y < h; ++y) { - void *dest = (void *) image.scanLine(y); - void *src = data.data() + y * image.bytesPerLine(); - memcpy(dest, src, image.bytesPerLine()); - } - return image; -} - -QPixmap qPixmapFromWinHICON(HICON icon) -{ - bool foundAlpha = false; - HDC screenDevice = GetDC(0); - HDC hdc = CreateCompatibleDC(screenDevice); - ReleaseDC(0, screenDevice); - - ICONINFO iconinfo; - const bool result = GetIconInfo(icon, &iconinfo); //x and y Hotspot describes the icon center - if (!result) { - qErrnoWarning("QPixmap::fromWinHICON(), failed to GetIconInfo()"); - return QPixmap(); - } - - const int w = iconinfo.xHotspot * 2; - const int h = iconinfo.yHotspot * 2; - - BITMAPINFOHEADER bitmapInfo; - bitmapInfo.biSize = sizeof(BITMAPINFOHEADER); - bitmapInfo.biWidth = w; - bitmapInfo.biHeight = h; - bitmapInfo.biPlanes = 1; - bitmapInfo.biBitCount = 32; - bitmapInfo.biCompression = BI_RGB; - bitmapInfo.biSizeImage = 0; - bitmapInfo.biXPelsPerMeter = 0; - bitmapInfo.biYPelsPerMeter = 0; - bitmapInfo.biClrUsed = 0; - bitmapInfo.biClrImportant = 0; - DWORD* bits; - - HBITMAP winBitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bitmapInfo, DIB_RGB_COLORS, (VOID**)&bits, NULL, 0); - HGDIOBJ oldhdc = (HBITMAP)SelectObject(hdc, winBitmap); - DrawIconEx( hdc, 0, 0, icon, iconinfo.xHotspot * 2, iconinfo.yHotspot * 2, 0, 0, DI_NORMAL); - QImage image = qImageFromWinHBITMAP(hdc, winBitmap, w, h); - - for (int y = 0 ; y < h && !foundAlpha ; y++) { - const QRgb *scanLine= reinterpret_cast<const QRgb *>(image.scanLine(y)); - for (int x = 0; x < w ; x++) { - if (qAlpha(scanLine[x]) != 0) { - foundAlpha = true; - break; - } - } - } - if (!foundAlpha) { - //If no alpha was found, we use the mask to set alpha values - DrawIconEx( hdc, 0, 0, icon, w, h, 0, 0, DI_MASK); - const QImage mask = qImageFromWinHBITMAP(hdc, winBitmap, w, h); - - for (int y = 0 ; y < h ; y++){ - QRgb *scanlineImage = reinterpret_cast<QRgb *>(image.scanLine(y)); - const QRgb *scanlineMask = mask.isNull() ? 0 : reinterpret_cast<const QRgb *>(mask.scanLine(y)); - for (int x = 0; x < w ; x++){ - if (scanlineMask && qRed(scanlineMask[x]) != 0) - scanlineImage[x] = 0; //mask out this pixel - else - scanlineImage[x] |= 0xff000000; // set the alpha channel to 255 - } - } - } - //dispose resources created by iconinfo call - DeleteObject(iconinfo.hbmMask); - DeleteObject(iconinfo.hbmColor); - - SelectObject(hdc, oldhdc); //restore state - DeleteObject(winBitmap); - DeleteDC(hdc); - return QPixmap::fromImage(image); -} - -QT_END_NAMESPACE |