void GraphicsItemRenderer::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(option);
Q_UNUSED(widget);
DPTR_D(GraphicsItemRenderer);
d.painter = painter;
{
//lock is required only when drawing the frame
QMutexLocker locker(&d.img_mutex);
Q_UNUSED(locker);
//begin paint. how about QPainter::beginNativePainting()?
//fill background color when necessary, e.g. renderer is resized, image is null
//if we access d.data which will be modified in AVThread, the following must be protected
if (d.out_rect != boundingRect() || d.data.isEmpty()) {
d.update_background = false;
drawBackground();
}
//DO NOT return if no data. we should draw other things
//NOTE: if data is not copyed in convertData, you should always call drawFrame()
if (!d.data.isEmpty()) {
drawFrame();
}
}
//drawXXX only implement the painting, no other logic
if (d.draw_osd)
drawOSD();
if (d.draw_subtitle)
drawSubtitle();
if (d.draw_custom)
drawCustom();
//end paint. how about QPainter::endNativePainting()?
d.painter = 0; //painter may be not available outside this function
}
//--------------------------------------------------------------------------------------------
void Scene::draw(){
//background
ofSetColor(bgCol, 255*alphaPrc);
ofFill();
ofRect(0, 0, gameWidth, gameHeight);
drawBackgroundCustom();
//some visual effects rely on drawing the grid
//this will do nothing if those effects are not active
field.drawGrid(alphaPrc);
//draw the field particles
for (int i=fieldParticles.size()-1; i>=0; i--){
fieldParticles[i]->draw(alphaPrc);
}
//draw the towers
for (int i=towers.size()-1; i>=0; i--){
towers[i]->draw(alphaPrc, showCupDebug);
}
//draw anything special for this scene
drawCustom();
}
void Direct2DRenderer::paintEvent(QPaintEvent *)
{
DPTR_D(Direct2DRenderer);
QMutexLocker locker(&d.img_mutex);
Q_UNUSED(locker);
if (!d.render_target) {
qWarning("No render target!!!");
return;
}
HRESULT hr = S_OK;
//begin paint
//http://www.daimakuai.net/?page_id=1574
d.render_target->BeginDraw();
//The first bitmap size is 0x0, we should only draw the background
//we access d.data which will be modified in AVThread, so must be protected
if ((d.update_background && d.out_rect != rect())|| d.data.isEmpty()) {
d.update_background = false;
drawBackground();
}
//d.data is always empty because we did not assign a vaule in convertData?
if (!d.data.isEmpty()) {
//return; //why the background is white if return? the below code draw an empty bitmap?
}
drawFrame();
//drawXXX only implement the painting, no other logic
if (d.draw_osd)
drawOSD();
if (d.draw_subtitle)
drawSubtitle();
if (d.draw_custom)
drawCustom();
hr = d.render_target->EndDraw(NULL, NULL);
if (hr == D2DERR_RECREATE_TARGET) {
qDebug("D2DERR_RECREATE_TARGET");
hr = S_OK;
d.destroyDeviceResource();
d.createDeviceResource(); //?
}
//end paint
}
void GameObject::draw(){
drawCustom();
}
