void
TaskMapButtonRenderer::DrawButton(Canvas &canvas, const PixelRect &rc,
gcc_unused bool enabled,
gcc_unused bool focused,
bool pressed) const
{
if (task == nullptr) {
canvas.ClearWhite();
return;
}
const PixelSize new_size(rc.right - rc.left,
rc.bottom - rc.top);
if (!IsBufferValid(new_size)) {
if (!buffer.IsDefined()) {
#ifdef ENABLE_OPENGL
buffer.Create(new_size);
#else
buffer.Create(canvas, new_size);
#endif
} else
buffer.Grow(new_size);
size = new_size;
#ifdef ENABLE_OPENGL
buffer.Begin(canvas);
#endif
const PixelRect buffer_rc(0, 0, new_size.cx, new_size.cy);
DrawTask(buffer, buffer_rc, look, *task);
#ifdef ENABLE_OPENGL
buffer.Commit(canvas);
#endif
} else {
#ifdef ENABLE_OPENGL
buffer.CopyTo(canvas);
#endif
}
#ifndef ENABLE_OPENGL
canvas.Copy(buffer);
#endif
if (pressed) {
#ifdef ENABLE_OPENGL
const ScopeAlphaBlend alpha_blend;
canvas.DrawFilledRectangle(rc, COLOR_YELLOW.WithAlpha(80));
#else
canvas.InvertRectangle(rc);
#endif
}
}
//modifies the Buffer, by removing the Header
PacketHeader ExtractHeader( char *buffer,unsigned int size )
{
XNetInfo xInfo;
memset(&xInfo,0,sizeof(xInfo));
if(size >= sizeof(XNetInfo))
{
memcpy(&xInfo,buffer,sizeof(XNetInfo));
if(IsBufferValid((char*)&xInfo))
{
//Now remove the header
memmove(buffer,buffer + sizeof(XNetInfo),size - sizeof(XNetInfo));
return xInfo;
}
}
xInfo.m_darknet_xId = -1;
return xInfo;
}
