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Interface Technology Basics
VST 3.6.12
SDK for developing VST Plug-in
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Plug-in view content scale support. More...
#include <iplugviewcontentscalesupport.h>
Inheritance diagram for IPlugViewContentScaleSupport:Public Types | |
| typedef float | ScaleFactor |
Public Member Functions | |
| virtual tresult | setContentScaleFactor (ScaleFactor factor)=0 |
Public Member Functions inherited from FUnknown | |
| virtual tresult | queryInterface (const TUID _iid, void **obj)=0 |
| Query for a pointer to the specified interface. More... | |
| virtual uint32 | addRef ()=0 |
| Adds a reference and return the new reference count. More... | |
| virtual uint32 | release ()=0 |
| Releases a reference and return the new reference count. More... | |
Static Public Attributes | |
| static const FUID | iid |
Static Public Attributes inherited from FUnknown | |
| static const FUID | iid |
Plug-in view content scale support.
This interface communicates the content scale factor from the host to the plug-in view on systems where plug-ins cannot get this information directly like Microsoft Windows.
The host calls setContentScaleFactor directly after the plug view was attached and when the scale factor changes (system change or window moved to another screen with different scaling settings). The host could call setContentScaleFactor in a different context, for example: scaling the plug-in editor for better readability. When a plug-in handles this (by returning kResultTrue), it needs to scale the width and height of its view by the scale factor and inform the host via a IPlugFrame::resizeView(), the host will then call IPlugView::onSize().
Note that the host is allowed to call setContentScaleFactor() at any time the IPlugView is alive.
| typedef float ScaleFactor |
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pure virtual |
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static |