Simple version, may lead to an inverted rectangle, which is fine for Contains/Overlaps test but not for display.

Button to close a window

Close the popup we have begin-ed into.

When popups are stacked, clicking on a lower level popups puts focus back to it and close popups above it. This function closes any popups that are ov

CollapsingHeader returns true when opened but do not indent nor push into the ID stack (because of the ImGuiTreeNodeFlags_NoTreePushOnOpen flag). This

A little color square. Return true when clicked. FIXME: May want to display/ignore the alpha component in the color display? Yet show it in the toolti

Convert hsv floats ([0-1],[0-1],[0-1]) to rgb floats ([0-1],[0-1],[0-1]), from Foley & van Dam p593 also http://en.wikipedia.org/wiki/HSL_and_HSV

Convert rgb floats ([0-1],[0-1],[0-1]) to hsv floats ([0-1],[0-1],[0-1]), from Foley & van Dam p592 Optimized http://lolengine.net/blog/2013/01/13/fas

Edit colors components (each component in 0.0f..1.0f range). See enum ImGuiColorEditFlags_ for available options. e.g. Only access 3 floats if ImGuiCo

Note: ColorPicker4() only accesses 3 floats if ImGuiColorEditFlags_NoAlpha flag is set. (In C++ the 'float col[4]' notation for a function argument is

Note: only access 3 floats if ImGuiColorEditFlags_NoAlpha flag is set.

Old API, prefer using BeginCombo() nowadays if you can.

Bottom-right

Create Tag Only