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ajm113

Converting Pixel Format from Win32 to wxWidgets

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Hello I'm trying to enable my wxGLCanvas to have alpha channel in it to allow me to create transparent images that I can save on my machine from a frame drawn in my software here is my pixel format from Win32 I use that works perfect for my needs:


static PIXELFORMATDESCRIPTOR pfd = {
sizeof(PIXELFORMATDESCRIPTOR),
1,
PFD_DRAW_TO_WINDOW |
PFD_SUPPORT_OPENGL |
PFD_DOUBLEBUFFER ,
PFD_TYPE_RGBA,
32, //Color Bits
8, // Bits for Red Channel
0, // ignored
8, // Bits for Green Channel
0, // ignored
8, // Bits for Blue Channel
0, // ignored
8, // Bits for Alpha Channel
0, // ignored
0,0,0,0,0,
32,
0,
0,
PFD_MAIN_PLANE,
0,
0,0,
};



So how can I convert from what I have up there to this?


static const int attribs[] = { WX_GL_RGBA, WX_GL_DOUBLEBUFFER, 32, 8, 8, 8, 8, 32};

canvas = new wxGLCanvas( this, -1, wxPoint(0,0), size,
GetWindowStyleFlag(), _T("GLCanvas"),
attribs, wxNullPalette );



Is it possible to do this in wxWidgets or is some reprogramming involved with it's source code to allow me to use alpha bit planes in the wxGLCanvas?

Thanks, Andrew.

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