本文整理汇总了C++中IDirectFB::WaitIdle方法的典型用法代码示例。如果您正苦于以下问题：C++ IDirectFB::WaitIdle方法的具体用法？C++ IDirectFB::WaitIdle怎么用？C++ IDirectFB::WaitIdle使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IDirectFB的用法示例。
在下文中一共展示了IDirectFB::WaitIdle方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: print_usage
//.........这里部分代码省略.........
ret = provider->GetSurfaceDescription( provider, &desc );
if (ret) {
D_DERROR( ret, "DFBTest/Blit: IDirectFBImageProvider::GetSurfaceDescription() failed!\n" );
goto out;
}
if (source_format != DSPF_UNKNOWN)
desc.pixelformat = source_format;
D_INFO( "DFBTest/Blit: Source is %dx%d using %s\n",
desc.width, desc.height, dfb_pixelformat_name(desc.pixelformat) );
/* Create a surface for the image. */
ret = dfb->CreateSurface( dfb, &desc, &source );
if (ret) {
D_DERROR( ret, "DFBTest/Blit: IDirectFB::CreateSurface() failed!\n" );
goto out;
}
ret = provider->RenderTo( provider, source, NULL );
if (ret) {
D_DERROR( ret, "DFBTest/Blit: IDirectFBImageProvider::RenderTo() failed!\n" );
goto out;
}
/* Fill description for a primary surface. */
desc.flags = DSDESC_CAPS;
desc.caps = DSCAPS_PRIMARY | DSCAPS_FLIPPING;
if (dest_format != DSPF_UNKNOWN) {
desc.flags |= DSDESC_PIXELFORMAT;
desc.pixelformat = dest_format;
}
if (dest_resize)
desc.flags |= DSDESC_WIDTH | DSDESC_HEIGHT;
dfb->SetCooperativeLevel( dfb, DFSCL_FULLSCREEN );
/* Create a primary surface. */
ret = dfb->CreateSurface( dfb, &desc, &dest );
if (ret) {
D_DERROR( ret, "DFBTest/Blit: IDirectFB::CreateSurface() failed!\n" );
goto out;
}
dest->GetSize( dest, &desc.width, &desc.height );
dest->GetPixelFormat( dest, &desc.pixelformat );
D_INFO( "DFBTest/Blit: Destination is %dx%d using %s\n",
desc.width, desc.height, dfb_pixelformat_name(desc.pixelformat) );
for (i=0; i<100000; i++) {
int j,n = rand()%100;
for (j=0; j<n; j++) {
switch (rand()%3) {
case 0:
dest->SetDrawingFlags( dest, rand() & (DSDRAW_BLEND) );
dest->FillRectangle( dest, rand()%100, rand()%100, rand()%100, rand()%100 );
break;
case 1:
dest->SetBlittingFlags( dest, rand() & (DSBLIT_BLEND_ALPHACHANNEL |
DSBLIT_BLEND_COLORALPHA |
DSBLIT_COLORIZE |
DSBLIT_ROTATE90) );
dest->Blit( dest, source, NULL, rand()%100, rand()%100 );
break;
case 2:
dest->SetBlittingFlags( dest, rand() & (DSBLIT_BLEND_ALPHACHANNEL |
DSBLIT_BLEND_COLORALPHA |
DSBLIT_COLORIZE |
DSBLIT_ROTATE90) );
dest->StretchBlit( dest, source, NULL, NULL );
break;
}
}
dfb->WaitIdle( dfb );
dest->Flip( dest, NULL, DSFLIP_NONE );
}
out:
if (dest)
dest->Release( dest );
if (source)
source->Release( source );
if (provider)
provider->Release( provider );
/* Shutdown DirectFB. */
dfb->Release( dfb );
return ret;
}