void UnityBerkeliumWindow::onPaint(Berkelium::Window *pWindow, const unsigned char *sourceBuffer, const Berkelium::Rect &rect, int dx, int dy, const Berkelium::Rect &scrollRect)
{
#ifdef DEBUG
cerr << "[UnityBerkeliumWindow] onPaint called (window: " << pWindow << ")" << endl;
cerr << " rect: (left=" << rect.left() << ", width=" << rect.width() << ", top=" << rect.top() << ", height=" << rect.height() << ")" << endl;
cerr << " sourceBuffer: " << (void *) sourceBuffer << endl;
#endif
// Scrolling
if(dx != 0 || dy != 0)
{
#if 0
// scroll_rect contains the Rect we need to move
// First we figure out where the the data is moved to by translating it
//Berkelium::Rect scrolled_rect = scrollRect.translate(-dx, -dy);
Berkelium::Rect scrolled_rect = scrollRect;
scrolled_rect.mLeft -= dx;
scrolled_rect.mTop -= dy;
// Next we figure out where they intersect, giving the scrolled
// region
Berkelium::Rect scrolled_shared_rect = scrollRect.intersect(scrolled_rect);
// Only do scrolling if they have non-zero intersection
if(scrolled_shared_rect.width() > 0 && scrolled_shared_rect.height() > 0)
{
// And the scroll is performed by moving shared_rect by (dx,dy)
//Berkelium::Rect shared_rect = scrolled_shared_rect.translate(dx, dy);
Berkelium::Rect shared_rect = scrolled_shared_rect;
shared_rect.mLeft += dx;
shared_rect.mTop += dy;
for(int y = scrolled_shared_rect.top(); y < shared_rect.bottom(); ++y)
{
::memcpy(
m_buffer + y * m_width * 4 /*+ scrolled_shared_rect.left() * 4*/,
m_buffer + ((scrolled_shared_rect.top() + y) * m_width /*+ scrolled_shared_rect.left()*/) * 4,
scrolled_shared_rect.width() * 4
);
}
// Copy the data out of the texture
/*size_t scrollBuffSize = scrolled_shared_rect.width() * scrolled_shared_rect.height() * 4;
unsigned char *scrollBuffer = new unsigned char[scrollBuffSize];
for(int line = 0; line < scrolled_shared_rect.height(); ++line)
{
::memcpy(
scrollBuffer + line * scrolled_shared_rect.width() * 4,
}*/
#if 0
glGetTexImage(
GL_TEXTURE_2D, 0,
GL_BGRA, GL_UNSIGNED_BYTE,
scroll_buffer
);
// Annoyingly, OpenGL doesn't provide convenient primitives, so
// we manually copy out the region to the beginning of the
// buffer
int wid = scrolled_shared_rect.width();
int hig = scrolled_shared_rect.height();
for(int jj = 0; jj < hig; jj++) {
memcpy(
scroll_buffer + (jj*wid * 4),
scroll_buffer + ((scrolled_shared_rect.top()+jj)*dest_texture_width + scrolled_shared_rect.left()) * 4,
wid*4
);
}
// And finally, we push it back into the texture in the right
// location
glTexSubImage2D(GL_TEXTURE_2D, 0,
shared_rect.left(), shared_rect.top(),
shared_rect.width(), shared_rect.height(),
GL_BGRA, GL_UNSIGNED_BYTE, scroll_buffer
);
#endif
}
#endif
}
// Apply the dirty rectangle
convertColors(rect, sourceBuffer);
// Call the paint callback
m_lastDirtyRect = rect;
m_paintFunc(/*rect.left(), rect.top(), rect.width(), rect.height()*/);
}
void EventManager::paint()
{
m_paintFunc(_user_p);
}