// IM-2014-01-16: [[ StackScale ]] Utility method to calculate new rects and view transform
void MCStack::view_calculate_viewports(const MCRectangle &p_stack_rect, MCRectangle &r_adjusted_stack_rect, MCRectangle &r_view_rect, MCGAffineTransform &r_transform)
{
MCRectangle t_view_rect;
MCGAffineTransform t_transform;
t_transform = MCGAffineTransformMakeScale(m_view_content_scale, m_view_content_scale);
MCRectangle t_stack_rect;
// IM-2014-01-16: [[ StackScale ]] Constrain stack size within the min/max size
t_stack_rect = constrainstackrect(p_stack_rect);
// IM-2014-01-16: [[ StackScale ]] transform stack rect using scale factor
// IM-2014-02-13: [[ StackScale ]] Use MCGRectangle to avoid resizing due to rounding errors
MCGRectangle t_scaled_rect;
t_scaled_rect = MCGRectangleApplyAffineTransform(MCRectangleToMCGRectangle(t_stack_rect), t_transform);
t_scaled_rect = view_constrainstackviewport(t_scaled_rect);
MCStackFullscreenMode t_mode;
if (view_getfullscreen())
{
t_mode = m_view_fullscreenmode;
const MCDisplay *t_display;
t_display = MCscreen -> getnearestdisplay(MCGRectangleGetIntegerInterior(t_scaled_rect));
t_view_rect = MCscreen->fullscreenrect(t_display);
// IM-2013-12-19: [[ Bug 11590 ]] Removed adjustment of screen rect to 0,0 origin
}
else
{
t_mode = kMCStackFullscreenModeNone;
t_view_rect = MCGRectangleGetIntegerInterior(t_scaled_rect);
}
// IM-2014-01-16: [[ StackScale ]] store adjusted rect in stack coords
MCGRectangle t_adjusted;
t_adjusted = MCGRectangleApplyAffineTransform(t_scaled_rect, MCGAffineTransformInvert(t_transform));
r_adjusted_stack_rect = MCGRectangleGetIntegerRect(t_adjusted);
r_view_rect = t_view_rect;
// IM-2014-01-16: [[ StackScale ]] append scale transform to fullscreenmode transform
r_transform = MCGAffineTransformConcat(view_get_stack_transform(t_mode, MCGRectangleGetIntegerBounds(t_scaled_rect), t_view_rect), t_transform);
}
MCGRectangle MCNativeControlUserRectFromDeviceRect(const MCGRectangle &p_device_rect)
{
MCGAffineTransform t_transform;
t_transform = MCNativeControlUserFromDeviceTransform();
return MCGRectangleApplyAffineTransform(p_device_rect, t_transform);
}
