Cursor::Cursor(Image* image, const IntPoint& hotSpot)
{
#ifndef QT_NO_CURSOR
IntPoint effectiveHotSpot = determineHotSpot(image, hotSpot);
m_impl = QCursor(*(image->nativeImageForCurrentFrame()), effectiveHotSpot.x(), effectiveHotSpot.y());
#endif
}
Cursor::Cursor(Image* image, const IntPoint& hotSpot)
: m_type(Custom)
, m_image(image)
, m_hotSpot(determineHotSpot(image, hotSpot))
, m_platformCursor(0)
{
}
static QCursor* createCustomCursor(Image* image, const IntPoint& hotSpot)
{
if (!image->nativeImageForCurrentFrame())
return 0;
IntPoint effectiveHotSpot = determineHotSpot(image, hotSpot);
return new QCursor(*(image->nativeImageForCurrentFrame()), effectiveHotSpot.x(), effectiveHotSpot.y());
}
Cursor::Cursor(Image* image, bool hotSpotSpecified, const IntPoint& hotSpot, float scale)
: m_type(Custom)
, m_image(image)
, m_hotSpot(determineHotSpot(image, hotSpotSpecified, hotSpot))
, m_imageScaleFactor(scale)
{
}
Cursor::Cursor(Image* image, const IntPoint& hotSpot)
: m_type(Custom)
, m_image(image)
, m_hotSpot(determineHotSpot(image, hotSpot))
, m_imageScaleFactor(1)
{
}
Cursor::Cursor(Image* image, const IntPoint& hotSpot, float scale)
: m_type(Custom)
, m_image(image)
, m_hotSpot(determineHotSpot(image, hotSpot))
, m_imageScaleFactor(scale)
, m_platformCursor(0)
{
}
Cursor::Cursor(Image* image, const IntPoint& hotSpot)
: m_type(Custom)
, m_image(image)
, m_hotSpot(determineHotSpot(image, hotSpot))
#if ENABLE(MOUSE_CURSOR_SCALE)
, m_imageScaleFactor(1)
#endif
, m_platformCursor(0)
{
}
static GRefPtr<GdkCursor> createCustomCursor(Image* image, const IntPoint& hotSpot)
{
GRefPtr<GdkPixbuf> pixbuf = adoptGRef(image->getGdkPixbuf());
if (!image->nativeImageForCurrentFrame() || !pixbuf)
return 0;
IntPoint effectiveHotSpot = determineHotSpot(image, hotSpot);
return adoptGRef(gdk_cursor_new_from_pixbuf(gdk_display_get_default(), pixbuf.get(), effectiveHotSpot.x(), effectiveHotSpot.y()));
}
static PassRefPtr<SharedCursor> createSharedCursor(Image* img, const IntPoint& hotSpot)
{
RefPtr<SharedCursor> impl;
IntPoint effectiveHotSpot = determineHotSpot(img, hotSpot);
static bool doAlpha = windowsVersion() >= WindowsXP;
BitmapInfo cursorImage = BitmapInfo::create(IntSize(img->width(), img->height()));
HWndDC dc(0);
auto workingDC = adoptGDIObject(::CreateCompatibleDC(dc));
if (doAlpha) {
auto hCursor = adoptGDIObject(::CreateDIBSection(dc, (BITMAPINFO *)&cursorImage, DIB_RGB_COLORS, 0, 0, 0));
ASSERT(hCursor);
img->getHBITMAP(hCursor.get());
HBITMAP hOldBitmap = (HBITMAP)SelectObject(workingDC.get(), hCursor.get());
SetBkMode(workingDC.get(), TRANSPARENT);
SelectObject(workingDC.get(), hOldBitmap);
Vector<unsigned char, 128> maskBits;
maskBits.fill(0xff, (img->width() + 7) / 8 * img->height());
auto hMask = adoptGDIObject(::CreateBitmap(img->width(), img->height(), 1, 1, maskBits.data()));
ICONINFO ii;
ii.fIcon = FALSE;
ii.xHotspot = effectiveHotSpot.x();
ii.yHotspot = effectiveHotSpot.y();
ii.hbmMask = hMask.get();
ii.hbmColor = hCursor.get();
impl = SharedCursor::create(::CreateIconIndirect(&ii));
} else {
// Platform doesn't support alpha blended cursors, so we need
// to create the mask manually
auto andMaskDC = adoptGDIObject(::CreateCompatibleDC(dc));
auto xorMaskDC = adoptGDIObject(::CreateCompatibleDC(dc));
auto hCursor = adoptGDIObject(::CreateDIBSection(dc, &cursorImage, DIB_RGB_COLORS, 0, 0, 0));
ASSERT(hCursor);
img->getHBITMAP(hCursor.get());
BITMAP cursor;
GetObject(hCursor.get(), sizeof(BITMAP), &cursor);
auto andMask = adoptGDIObject(::CreateBitmap(cursor.bmWidth, cursor.bmHeight, 1, 1, 0));
auto xorMask = adoptGDIObject(::CreateCompatibleBitmap(dc, cursor.bmWidth, cursor.bmHeight));
HBITMAP oldCursor = (HBITMAP)SelectObject(workingDC.get(), hCursor.get());
HBITMAP oldAndMask = (HBITMAP)SelectObject(andMaskDC.get(), andMask.get());
HBITMAP oldXorMask = (HBITMAP)SelectObject(xorMaskDC.get(), xorMask.get());
SetBkColor(workingDC.get(), RGB(0, 0, 0));
BitBlt(andMaskDC.get(), 0, 0, cursor.bmWidth, cursor.bmHeight, workingDC.get(), 0, 0, SRCCOPY);
SetBkColor(xorMaskDC.get(), RGB(255, 255, 255));
SetTextColor(xorMaskDC.get(), RGB(255, 255, 255));
BitBlt(xorMaskDC.get(), 0, 0, cursor.bmWidth, cursor.bmHeight, andMaskDC.get(), 0, 0, SRCCOPY);
BitBlt(xorMaskDC.get(), 0, 0, cursor.bmWidth, cursor.bmHeight, workingDC.get(), 0, 0, SRCAND);
SelectObject(workingDC.get(), oldCursor);
SelectObject(andMaskDC.get(), oldAndMask);
SelectObject(xorMaskDC.get(), oldXorMask);
ICONINFO icon = {0};
icon.fIcon = FALSE;
icon.xHotspot = effectiveHotSpot.x();
icon.yHotspot = effectiveHotSpot.y();
icon.hbmMask = andMask.get();
icon.hbmColor = xorMask.get();
impl = SharedCursor::create(CreateIconIndirect(&icon));
}
return impl.release();
}
static PlatformRefPtr<GdkCursor> createCustomCursor(Image* image, const IntPoint& hotSpot)
{
IntPoint effectiveHotSpot = determineHotSpot(image, hotSpot);
PlatformRefPtr<GdkPixbuf> pixbuf = adoptPlatformRef(image->getGdkPixbuf());
return adoptPlatformRef(gdk_cursor_new_from_pixbuf(gdk_display_get_default(), pixbuf.get(), effectiveHotSpot.x(), effectiveHotSpot.y()));
}
