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Diffstat (limited to 'src/gui/image/qpixmap_win.cpp')
| -rw-r--r-- | src/gui/image/qpixmap_win.cpp | 477 |
1 files changed, 0 insertions, 477 deletions
diff --git a/src/gui/image/qpixmap_win.cpp b/src/gui/image/qpixmap_win.cpp deleted file mode 100644 index 0aaf30b8fd..0000000000 --- a/src/gui/image/qpixmap_win.cpp +++ /dev/null @@ -1,477 +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 QtGui module 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 "qpixmap.h" -#include "qpixmap_raster_p.h" - -#include "qbitmap.h" -#include "qimage.h" -#include "qwidget.h" -#include "qpainter.h" -#include "qdatastream.h" -#include "qbuffer.h" -#include "qapplication.h" -#include "qevent.h" -#include "qfile.h" -#include "qfileinfo.h" -#include "qdatetime.h" -#include "qpixmapcache.h" -#include "qimagereader.h" -#include "qimagewriter.h" -#include "qdebug.h" -#include "qt_windows.h" - -#if defined(Q_WS_WINCE) -#include <winbase.h> -#include "qguifunctions_wince.h" -extern bool qt_wince_is_high_dpi(); -extern bool qt_wince_is_pocket_pc(); -#endif - -#ifndef CAPTUREBLT -#define CAPTUREBLT ((DWORD)0x40000000) -#endif - -QT_BEGIN_NAMESPACE - -QPixmap QPixmap::grabWindow(WId winId, int x, int y, int w, int h ) -{ - RECT r; - GetClientRect(winId, &r); - - if (w < 0) w = r.right - r.left; - if (h < 0) h = r.bottom - r.top; - -#ifdef Q_WS_WINCE_WM - if (qt_wince_is_pocket_pc()) { - QWidget *widget = QWidget::find(winId); - if (qobject_cast<QDesktopWidget *>(widget)) { - RECT rect = {0,0,0,0}; - AdjustWindowRectEx(&rect, WS_BORDER | WS_CAPTION, FALSE, 0); - int magicNumber = qt_wince_is_high_dpi() ? 4 : 2; - y += rect.top - magicNumber; - } - } -#endif - - // Create and setup bitmap - HDC display_dc = GetDC(0); - HDC bitmap_dc = CreateCompatibleDC(display_dc); - HBITMAP bitmap = CreateCompatibleBitmap(display_dc, w, h); - HGDIOBJ null_bitmap = SelectObject(bitmap_dc, bitmap); - - // copy data - HDC window_dc = GetDC(winId); - BitBlt(bitmap_dc, 0, 0, w, h, window_dc, x, y, SRCCOPY -#ifndef Q_WS_WINCE - | CAPTUREBLT -#endif - ); - - // clean up all but bitmap - ReleaseDC(winId, window_dc); - SelectObject(bitmap_dc, null_bitmap); - DeleteDC(bitmap_dc); - - QPixmap pixmap = QPixmap::fromWinHBITMAP(bitmap); - - DeleteObject(bitmap); - ReleaseDC(0, display_dc); - - return pixmap; -} - -HBITMAP QPixmap::toWinHBITMAP(HBitmapFormat format) const -{ - if (isNull()) - return 0; - - HBITMAP bitmap = 0; - if (data->classId() == QPixmapData::RasterClass) { - QRasterPixmapData* d = static_cast<QRasterPixmapData*>(data.data()); - int w = d->image.width(); - int h = d->image.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("QPixmap::toWinHBITMAP(), failed to create dibsection"); - return 0; - } - if (!pixels) { - qErrnoWarning("QPixmap::toWinHBITMAP(), did not allocate pixel data"); - return 0; - } - - // Copy over the data - QImage::Format imageFormat = QImage::Format_ARGB32; - if (format == NoAlpha) - imageFormat = QImage::Format_RGB32; - else if (format == PremultipliedAlpha) - imageFormat = QImage::Format_ARGB32_Premultiplied; - const QImage image = d->image.convertToFormat(imageFormat); - 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); - - } else { - QPixmapData *data = new QRasterPixmapData(depth() == 1 ? - QPixmapData::BitmapType : QPixmapData::PixmapType); - data->fromImage(toImage(), Qt::AutoColor); - return QPixmap(data).toWinHBITMAP(format); - } - return bitmap; -} - -QPixmap QPixmap::fromWinHBITMAP(HBITMAP bitmap, HBitmapFormat format) -{ - // Verify size - BITMAP bitmap_info; - memset(&bitmap_info, 0, sizeof(BITMAP)); - - int res = GetObject(bitmap, sizeof(BITMAP), &bitmap_info); - if (!res) { - qErrnoWarning("QPixmap::fromWinHBITMAP(), failed to get bitmap info"); - return QPixmap(); - } - int w = bitmap_info.bmWidth; - 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; - - QImage result; - // Get bitmap bits - uchar *data = (uchar *) qMalloc(bmi.bmiHeader.biSizeImage); - - HDC display_dc = GetDC(0); - if (GetDIBits(display_dc, bitmap, 0, h, data, &bmi, DIB_RGB_COLORS)) { - - QImage::Format imageFormat = QImage::Format_ARGB32_Premultiplied; - uint mask = 0; - if (format == NoAlpha) { - imageFormat = QImage::Format_RGB32; - mask = 0xff000000; - } - - // Create image and copy data into image. - QImage image(w, h, imageFormat); - if (!image.isNull()) { // failed to alloc? - 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 + 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; - } - } - } - result = image; - } else { - qWarning("QPixmap::fromWinHBITMAP(), failed to get bitmap bits"); - } - ReleaseDC(0, display_dc); - qFree(data); - return fromImage(result); -} - -HBITMAP qt_createIconMask(const QBitmap &bitmap) -{ - QImage bm = bitmap.toImage().convertToFormat(QImage::Format_Mono); - int w = bm.width(); - int h = bm.height(); - int bpl = ((w+15)/16)*2; // bpl, 16 bit alignment - uchar *bits = new uchar[bpl*h]; - bm.invertPixels(); - for (int y=0; y<h; y++) - memcpy(bits+y*bpl, bm.scanLine(y), bpl); - HBITMAP hbm = CreateBitmap(w, h, 1, 1, bits); - delete [] bits; - return hbm; -} - -HICON QPixmap::toWinHICON() const -{ - QBitmap maskBitmap = mask(); - if (maskBitmap.isNull()) { - maskBitmap= QBitmap(size()); - maskBitmap.fill(Qt::color1); - } - - ICONINFO ii; - ii.fIcon = true; - ii.hbmMask = qt_createIconMask(maskBitmap); - ii.hbmColor = toWinHBITMAP(QPixmap::Alpha); - ii.xHotspot = 0; - ii.yHotspot = 0; - - HICON hIcon = CreateIconIndirect(&ii); - - DeleteObject(ii.hbmColor); - DeleteObject(ii.hbmMask); - - return hIcon; -} - -#ifdef Q_WS_WIN -#ifndef Q_WS_WINCE - -static QImage qt_fromWinHBITMAP(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 - uchar *data = (uchar *) qMalloc(bmi.bmiHeader.biSizeImage); - - if (GetDIBits(hdc, bitmap, 0, h, data, &bmi, DIB_RGB_COLORS)) { - // Create image and copy data into image. - for (int y=0; y<h; ++y) { - void *dest = (void *) image.scanLine(y); - void *src = data + y * image.bytesPerLine(); - memcpy(dest, src, image.bytesPerLine()); - } - } else { - qWarning("qt_fromWinHBITMAP(), failed to get bitmap bits"); - } - qFree(data); - - return image; -} - -QPixmap QPixmap::fromWinHICON(HICON icon) -{ - bool foundAlpha = false; - HDC screenDevice = GetDC(0); - HDC hdc = CreateCompatibleDC(screenDevice); - ReleaseDC(0, screenDevice); - - ICONINFO iconinfo; - bool result = GetIconInfo(icon, &iconinfo); //x and y Hotspot describes the icon center - if (!result) - qWarning("QPixmap::fromWinHICON(), failed to GetIconInfo()"); - - int w = iconinfo.xHotspot * 2; - 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 = qt_fromWinHBITMAP(hdc, winBitmap, w, h); - - for (int y = 0 ; y < h && !foundAlpha ; y++) { - QRgb *scanLine= reinterpret_cast<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); - QImage mask = qt_fromWinHBITMAP(hdc, winBitmap, w, h); - - for (int y = 0 ; y < h ; y++){ - QRgb *scanlineImage = reinterpret_cast<QRgb *>(image.scanLine(y)); - QRgb *scanlineMask = mask.isNull() ? 0 : reinterpret_cast<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); -} -#else //ifndef Q_WS_WINCE -QPixmap QPixmap::fromWinHICON(HICON icon) -{ - HDC screenDevice = GetDC(0); - HDC hdc = CreateCompatibleDC(screenDevice); - ReleaseDC(0, screenDevice); - - ICONINFO iconinfo; - bool result = GetIconInfo(icon, &iconinfo); - if (!result) - qWarning("QPixmap::fromWinHICON(), failed to GetIconInfo()"); - - int w = 0; - int h = 0; - if (!iconinfo.xHotspot || !iconinfo.yHotspot) { - // We could not retrieve the icon size via GetIconInfo, - // so we try again using the icon bitmap. - BITMAP bm; - int result = GetObject(iconinfo.hbmColor, sizeof(BITMAP), &bm); - if (!result) result = GetObject(iconinfo.hbmMask, sizeof(BITMAP), &bm); - if (!result) { - qWarning("QPixmap::fromWinHICON(), failed to retrieve icon size"); - return QPixmap(); - } - w = bm.bmWidth; - h = bm.bmHeight; - } else { - // x and y Hotspot describes the icon center - w = iconinfo.xHotspot * 2; - h = iconinfo.yHotspot * 2; - } - const DWORD dwImageSize = w * h * 4; - - BITMAPINFO bmi; - memset(&bmi, 0, sizeof(bmi)); - bmi.bmiHeader.biSize = sizeof(BITMAPINFO); - bmi.bmiHeader.biWidth = w; - bmi.bmiHeader.biHeight = -h; - bmi.bmiHeader.biPlanes = 1; - bmi.bmiHeader.biBitCount = 32; - bmi.bmiHeader.biCompression = BI_RGB; - bmi.bmiHeader.biSizeImage = dwImageSize; - - uchar* bits; - - HBITMAP winBitmap = CreateDIBSection(hdc, &bmi, DIB_RGB_COLORS, (void**) &bits, 0, 0); - if (winBitmap ) - memset(bits, 0xff, dwImageSize); - if (!winBitmap) { - qWarning("QPixmap::fromWinHICON(), failed to CreateDIBSection()"); - return QPixmap(); - } - - HGDIOBJ oldhdc = (HBITMAP)SelectObject(hdc, winBitmap); - if (!DrawIconEx( hdc, 0, 0, icon, w, h, 0, 0, DI_NORMAL)) - qWarning("QPixmap::fromWinHICON(), failed to DrawIcon()"); - - uint mask = 0xff000000; - // Create image and copy data into image. - QImage image(w, h, QImage::Format_ARGB32); - - if (!image.isNull()) { // failed to alloc? - 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 *) (bits + y * bytes_per_line); - for (int x=0; x < w; ++x) { - dest[x] = src[x]; - } - } - } - if (!DrawIconEx( hdc, 0, 0, icon, w, h, 0, 0, DI_MASK)) - qWarning("QPixmap::fromWinHICON(), failed to DrawIcon()"); - if (!image.isNull()) { // failed to alloc? - 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 *) (bits + y * bytes_per_line); - for (int x=0; x < w; ++x) { - if (!src[x]) - dest[x] = dest[x] | mask; - } - } - } - SelectObject(hdc, oldhdc); //restore state - DeleteObject(winBitmap); - DeleteDC(hdc); - return QPixmap::fromImage(image); -} -#endif //ifndef Q_WS_WINCE -#endif //ifdef Q_WS_WIN - -QT_END_NAMESPACE |