void MCStack::view_update_transform(void)
{
MCRectangle t_view_rect;
MCGAffineTransform t_transform;
// IM-2014-01-16: [[ StackScale ]] Use utility method to calculate new values
view_calculate_viewports(m_view_requested_stack_rect, m_view_adjusted_stack_rect, t_view_rect, t_transform);
// IM-2013-12-20: [[ ShowAll ]] Calculate new stack visible rect
MCRectangle t_stack_visible_rect;
t_stack_visible_rect = MCRectangleGetTransformedBounds(MCRectangleMake(0, 0, t_view_rect.width, t_view_rect.height), MCGAffineTransformInvert(t_transform));
if (m_view_fullscreenmode == kMCStackFullscreenLetterbox || m_view_fullscreenmode == kMCStackFullscreenNoScale)
t_stack_visible_rect = MCU_intersect_rect(t_stack_visible_rect, MCRectangleMake(0, 0, m_view_adjusted_stack_rect.width, m_view_adjusted_stack_rect.height));
// IM-2013-10-03: [[ FullscreenMode ]] if the transform has changed, redraw everything
// IM-2013-12-20: [[ ShowAll ]] if the stack viewport has changed, redraw everything
if (!MCU_equal_rect(t_stack_visible_rect, m_view_stack_visible_rect) || !MCGAffineTransformIsEqual(t_transform, m_view_transform))
{
m_view_transform = t_transform;
m_view_stack_visible_rect = t_stack_visible_rect;
view_dirty_all();
}
// IM-2014-01-16: [[ StackScale ]] Update view rect if needed
view_setrect(t_view_rect);
}
void MCStack::view_update_transform(bool p_ensure_onscreen)
{
MCRectangle t_view_rect;
MCGAffineTransform t_transform;
#if defined(_MOBILE)
MCOrientation t_orientation;
MCSystemGetOrientation(t_orientation);
MCOrientationGetRectForOrientation(t_orientation ,m_view_requested_stack_rect);
#endif
// IM-2014-01-16: [[ StackScale ]] Use utility method to calculate new values
view_calculate_viewports(m_view_requested_stack_rect, m_view_adjusted_stack_rect, t_view_rect, t_transform);
// IM-2013-12-20: [[ ShowAll ]] Calculate new stack visible rect
MCRectangle t_stack_visible_rect;
t_stack_visible_rect = MCRectangleGetTransformedBounds(MCRectangleMake(0, 0, t_view_rect.width, t_view_rect.height), MCGAffineTransformInvert(t_transform));
if (m_view_fullscreenmode == kMCStackFullscreenLetterbox || m_view_fullscreenmode == kMCStackFullscreenNoScale)
t_stack_visible_rect = MCU_intersect_rect(t_stack_visible_rect, MCRectangleMake(0, 0, m_view_adjusted_stack_rect.width, m_view_adjusted_stack_rect.height));
// IM-2013-10-03: [[ FullscreenMode ]] if the transform has changed, redraw everything
// IM-2013-12-20: [[ ShowAll ]] if the stack viewport has changed, redraw everything
bool t_rect_changed, t_transform_changed;
t_rect_changed = !MCU_equal_rect(t_stack_visible_rect, m_view_stack_visible_rect);
t_transform_changed = !MCGAffineTransformIsEqual(t_transform, m_view_transform);
if (t_rect_changed || t_transform_changed)
{
m_view_transform = t_transform;
m_view_stack_visible_rect = t_stack_visible_rect;
dirtyall();
if (t_transform_changed)
this->OnViewTransformChanged();
}
// PM-2015-07-17: [[ Bug 13754 ]] Make sure stack does not disappear off screen when changing the scalefactor
MCRectangle t_bounded_rect;
if (p_ensure_onscreen)
{
// AL-2015-10-01: [[ Bug 16017 ]] Remember location of stacks on a second monitor
const MCDisplay* t_nearest_display;
t_nearest_display = MCscreen -> getnearestdisplay(t_view_rect);
if (t_nearest_display != nil)
{
MCRectangle t_screen_rect;
t_screen_rect = t_nearest_display -> viewport;
t_bounded_rect = MCU_bound_rect(t_view_rect, t_screen_rect . x, t_screen_rect . y, t_screen_rect . width, t_screen_rect . height);
}
else
{
// In noUI mode, we don't have a nearest display.
t_bounded_rect = MCU_bound_rect(t_view_rect, 0, 0, MCscreen -> getwidth(), MCscreen -> getheight());
}
}
else
{
t_bounded_rect = t_view_rect;
}
// IM-2014-01-16: [[ StackScale ]] Update view rect if needed
view_setrect(t_bounded_rect);
}
