git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@53342
c3d73ce0-8a6f-49c7-b76d-
6d57e0e08775
a window can have a device context associated with it, and a printer also
has a device context. In this way, the same piece of code may write to a
number of different devices, if the device context is used as a parameter.
a window can have a device context associated with it, and a printer also
has a device context. In this way, the same piece of code may write to a
number of different devices, if the device context is used as a parameter.
+
+ wxWidgets offers alternative drawing classes based on the modern drawing
+ backends GDI+, CoreGraphics and Cairo. See wxGraphicsContext, wxGraphicsRenderer
+ and related classes.
Notice that wxDC is an abstract base class and can't be created directly,
please use wxPaintDC, wxClientDC, wxWindowDC, wxScreenDC, wxMemoryDC or
Notice that wxDC is an abstract base class and can't be created directly,
please use wxPaintDC, wxClientDC, wxWindowDC, wxScreenDC, wxMemoryDC or
@section dc_alpha Support for Transparency / Alpha Channel
@section dc_alpha Support for Transparency / Alpha Channel
- On Mac OS X, when using Core Graphics (wxMAC_USE_CORE_GRAPHICS set to 1),
- colors with alpha are supported. Instances wxPen or wxBrush that are built
- from wxColour use the color's alpha values when stroking or filling.
+ On Mac OS X colors with alpha are supported. Instances wxPen or wxBrush
+ that are built from wxColour use the color's alpha values when stroking or filling.
@library{wxcore}
@category{dc,gdi}
@library{wxcore}
@category{dc,gdi}