【转帖】how to use exgsgdivectorizedevice
 

how to use exgsgdivectorizedevice
how to use exgsgdivectorizedevice
i declare in .cpp as below
odrx_declare_static_module_entry_point(wingdimodul e);
odrx_begin_static_module_map()
odrx_define_static_appmodule(l"wingdi.gs",wingdimo dule)
odrx_end_static_module_map()
cchildview inherit from odgicontextfordbdatabase
then in a init function to init the device (the pdatabase is exist)
bool cchildview::init()
{
bool ret=false;
if (!database())
{
setdatabase(pdatabase);
enablegsmodel(true);
odgsmoduleptr pgs = :drxdynamiclinker()->loadmodule(dd_t("wingdi.gs"));
m_pdevice = pgs->createdevice();
}
if(database() && !m_pdevice.isnull())
{
m_pdevice = oddbgsmanager::setupactivelayoutviews(m_pdevice, this);
ret=true;
}
return ret;
}
then update the screen
void cchileview::onpaint()
{
cpaintdc dc(this); // device context for painting
crect rect;
getclientrect(&rect);
odgsdcrect outputrect(odgsdcpoint(rect.left,rect.bottom), odgsdcpoint(rect.right,rect.top));
m_pdevice->onsize(outputrect);
odrxdictionaryptr pproperties = m_pdevice->properties();
if (!pproperties.isnull())
{
pproperties->putat("windowhdc", odrxvariantvalue(oduint32(dc.getsafehdc())));
m_pdevice->update();
}
}
then crash in m_pdevice->update();,i can't find any sample that use exgsgdivectorizedevice,what's wrong ?
hello yashu,
i'm not sure this will help you, but i ran into a similar problem. it appears you have never specified a palette. give it a shot and see how it works out.
nuzzi