void Dow::Handle::Position (Win::Rect const & rect)
{
if (!::SetWindowPos (H (),
NULL, // insert after (in z-order)
rect.Left (),
rect.Top (),
rect.Width (),
rect.Height (),
SWP_NOZORDER))
{
throw Win::Exception ("Cannot position window");
}
}
win::Rect ResizeRect(const win::Rect& rect_dest,
int src_width, int src_height,
bool stretch,
bool center_x, bool center_y) {
win::Rect rect = rect_dest;
float dest_width = static_cast<float>(rect_dest.Width());
float dest_height = static_cast<float>(rect_dest.Height());
float image_width = static_cast<float>(src_width);
float image_Height = static_cast<float>(src_height);
// Source < Destination (no need to resize)
if ((image_width < dest_width) && (image_Height < dest_height) && !stretch) {
rect.right = rect.left + src_width;
rect.bottom = rect.top + src_height;
if (center_x)
rect.Offset(static_cast<int>((image_width - image_width) / 2.0f), 0);
if (center_y)
rect.Offset(0, static_cast<int>((dest_height - image_Height) / 2.0f));
// Source > Destination (resize)
} else {
// Calculate aspect ratios
float dest_ratio = dest_width / dest_height;
float image_ratio = image_width / image_Height;
// Width > Height
if (image_ratio > dest_ratio) {
rect.bottom = rect.top +
static_cast<int>(dest_width * (1.0f / image_ratio));
if (center_y)
rect.Offset(0, static_cast<int>((dest_height - rect.Height()) / 2.0f));
// Height > Width
} else if (image_ratio < dest_ratio) {
rect.right = rect.left + static_cast<int>(dest_height * image_ratio);
if (center_x)
rect.Offset(static_cast<int>((dest_width - rect.Width()) / 2.0f), 0);
}
}
return rect;
}
void Dow::Handle::Move (Win::Rect const & rect)
{
::MoveWindow (H (), rect.Left (), rect.Top (), rect.Width (), rect.Height (), TRUE);
}