Пример #1
0
    // Finds the index of the tab, which contains the given point.
    int IndexFromPoint(int x, int y, bool *inXbutton=nullptr) {
        Point point(x, y);
        Graphics graphics(hwnd);
        GraphicsPath shapes(data->Points, data->Types, data->Count);
        GraphicsPath shape;
        GraphicsPathIterator iterator(&shapes);
        iterator.NextMarker(&shape);

        ClientRect rClient(hwnd);
        REAL yPosTab = inTitlebar ? 0.0f : REAL(rClient.dy - height - 1);
        graphics.TranslateTransform(1.0f, yPosTab);
        for (int i = 0; i < Count(); i++) {
            Point pt(point);
            graphics.TransformPoints( CoordinateSpaceWorld, CoordinateSpaceDevice, &pt, 1);
            if (shape.IsVisible(pt, &graphics)) {
                iterator.NextMarker(&shape);
                if (inXbutton)
                    *inXbutton = shape.IsVisible(pt, &graphics) ? true : false;
                return i;
            }
            graphics.TranslateTransform(REAL(width + 1), 0.0f);
        }
        if (inXbutton)
            *inXbutton = false;
        return -1;
    }
Пример #2
0
/** \brief Test to see if we hit this object with a mouse click
 * \param pos Click position
 * \returns true it hit
 */
bool CPolyDrawable::HitTest(Gdiplus::Point pos)
{
    // Transform the points
    vector<Point> points;
    for (auto point : mPoints)
    {
        points.push_back(RotatePoint(point, mPlacedR) + mPlacedPosition);
    }

    GraphicsPath path;
    path.AddPolygon(&points[0], (int)points.size());
    return path.IsVisible(pos) ? true : false;
}