qcursor_win.cpp File Reference

#include <private/qcursor_p.h>
#include <qbitmap.h>
#include <qcursor.h>
#include <qimage.h>
#include <qt_windows.h>
#include <private/qapplication_p.h>

Go to the source code of this file.

Functions
static HCURSOR	create32BitCursor (const QPixmap &pixmap, int hx, int hy)
HBITMAP	qt_createIconMask (const QBitmap &bitmap)

Function Documentation

create32BitCursor()

static HCURSOR create32BitCursor ( const QPixmap &  pixmap, int  hx, int  hy  )

static

Definition at line 128 of file qcursor_win.cpp.

{
    HCURSOR cur = 0;
#if !defined(Q_WS_WINCE)
    QBitmap mask = pixmap.mask();
    if (mask.isNull()) {
        mask = QBitmap(pixmap.size());
        mask.fill(Qt::color1);
    }

    HBITMAP ic = pixmap.toWinHBITMAP(QPixmap::Alpha);
    HBITMAP im = qt_createIconMask(mask);

    ICONINFO ii;
    ii.fIcon     = 0;
    ii.xHotspot  = hx;
    ii.yHotspot  = hy;
    ii.hbmMask   = im;
    ii.hbmColor  = ic;

    cur = CreateIconIndirect(&ii);

    DeleteObject(ic);
    DeleteObject(im);
#elif defined(GWES_ICONCURS)
    QImage bbits, mbits;
    bool invb, invm;
    bbits = pixmap.toImage().convertToFormat(QImage::Format_Mono);
    mbits = pixmap.toImage().convertToFormat(QImage::Format_Mono);
    invb = bbits.colorCount() > 1 && qGray(bbits.color(0)) < qGray(bbits.color(1));
    invm = mbits.colorCount() > 1 && qGray(mbits.color(0)) < qGray(mbits.color(1));

    int sysW = GetSystemMetrics(SM_CXCURSOR);
    int sysH = GetSystemMetrics(SM_CYCURSOR);
    int sysN = qMax(1, sysW / 8);
    int n = qMax(1, bbits.width() / 8);
    int h = bbits.height();

    uchar* xBits = new uchar[sysH * sysN];
    uchar* xMask = new uchar[sysH * sysN];
    int x = 0;
    for (int i = 0; i < sysH; ++i) {
        if (i >= h) {
            memset(&xBits[x] , 255, sysN);
            memset(&xMask[x] ,   0, sysN);
            x += sysN;
        } else {
            int fillWidth = n > sysN ? sysN : n;
            uchar *bits = bbits.scanLine(i);
            uchar *mask = mbits.scanLine(i);
            for (int j = 0; j < fillWidth; ++j) {
                uchar b = bits[j];
                uchar m = mask[j];
                if (invb)
                    b ^= 0xFF;
                if (invm)
                    m ^= 0xFF;
                xBits[x] = ~m;
                xMask[x] = b ^ m;
                ++x;
            }
            for (int j = fillWidth; j < sysN; ++j ) {
                xBits[x] = 255;
                xMask[x] = 0;
                ++x;
            }
        }
    }

    cur = CreateCursor(qWinAppInst(), hx, hy, sysW, sysH,
        xBits, xMask);
#else
    Q_UNUSED(pixmap);
    Q_UNUSED(hx);
    Q_UNUSED(hy);
#endif
    return cur;
}

qt_createIconMask()

HBITMAP qt_createIconMask

(

const QBitmap &

bitmap

)

Definition at line 242 of file qpixmap_win.cpp.

Referenced by create32BitCursor(), QCursor::QCursor(), and QPixmap::toWinHICON().

{
    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;
}