void OgreAppLogic::updateSunCanvas()
{
Ogre::Canvas::Context* ctx = mCanvasTextureSun->getContext();
//ctx->globalCompositeOperation(Ogre::Canvas::DrawingOperator_DestOver);
ctx->clearRect(0, 0, 300, 300); // clear canvas
ctx->fillStyle(Ogre::ColourValue::Black);
ctx->fillRect(0, 0, 300, 300);
ctx->fillStyle(Ogre::ColourValue(0.0f, 0.0f, 0.0f, 0.4f));
ctx->strokeStyle(Ogre::Canvas::ColourConverter::fromRGBA(0, 153, 255, 102));
ctx->save();
ctx->translate(150, 150);
// Earth
time_t now = time(NULL);
struct tm * timeinfo;
timeinfo = localtime(&now);
int sec = timeinfo->tm_sec;
int min = timeinfo->tm_min;
int hr = timeinfo->tm_hour;
ctx->rotate( ((2*Ogre::Math::PI)/60)*sec);// + ((2*Math.PI)/60000)*time.getMilliseconds() );
ctx->translate(105,0);
ctx->fillRect(0,-12,50,24); // Shadow
ctx->drawImage(mEarth, -12.0f, -12.0f);
// Moon
ctx->save();
ctx->rotate( ((2*Ogre::Math::PI)/6)*sec);// + ((2*Math.PI)/6000)*time.getMilliseconds() );
ctx->translate(0.0f, 28.5f);
ctx->drawImage(mMoon, -3.5f, -3.5f);
ctx->restore();
ctx->restore();
ctx->beginPath();
ctx->arc(150, 150, 105, 0, Ogre::Math::PI*2, false); // Earth orbit
ctx->stroke();
ctx->drawImage(mSun, 0.0f, 0.0f, 300.0f, 300.0f);
mCanvasTextureSun->uploadTexture();
}
void OgreAppLogic::emptyCanvas()
{
Ogre::Canvas::Context* ctx = mContext;
ctx->save();
ctx->fillStyle(Ogre::ColourValue::White);
ctx->fillRect(0, 0, 150, 200);
ctx->fillStyle(Ogre::ColourValue::Black);
ctx->restore();
mTexture->uploadTexture();
}
void OgreAppLogic::updateClock1Canvas()
{
Chrono chrono(true);
Ogre::Canvas::Context* ctx = mCanvasTextureClock1->getContext();
ctx->save();
ctx->clearRect(0, 0, 150, 150);
ctx->strokeStyle(Ogre::ColourValue::Black);
ctx->fillStyle(Ogre::ColourValue::White);
ctx->fillRect(0, 0, 150, 150);
ctx->translate(75, 75);
ctx->scale(0.4f, 0.4f);
ctx->rotate(-Ogre::Math::PI/2.0f);
ctx->lineWidth(8);
ctx->lineCap(Ogre::Canvas::LineCap_Round);
// Hour marks
ctx->save();
for (float i=0; i<12; i++)
{
ctx->beginPath();
ctx->rotate(Ogre::Math::PI/6.0f);
ctx->moveTo(100, 0);
ctx->lineTo(120, 0);
ctx->stroke();
}
ctx->restore();
// Minute marks
ctx->save();
ctx->lineWidth(5);
for (int i=0; i<60; i++)
{
if (i%5!=0)
{
ctx->beginPath();
ctx->moveTo(117, 0);
ctx->lineTo(120, 0);
ctx->stroke();
}
ctx->rotate(Ogre::Math::PI/30);
}
ctx->restore();
time_t now = time(NULL);
struct tm * timeinfo;
timeinfo = localtime(&now);
int sec = timeinfo->tm_sec;
int min = timeinfo->tm_min;
int hr = timeinfo->tm_hour;
hr = hr>=12 ? hr-12 : hr;
ctx->fillStyle(Ogre::ColourValue::Black);
// write Hours
ctx->save();
ctx->rotate( hr*(Ogre::Math::PI/6) + (Ogre::Math::PI/360)*min + (Ogre::Math::PI/21600)*sec );
ctx->lineWidth(14);
ctx->beginPath();
ctx->moveTo(-20, 0);
ctx->lineTo(80, 0);
ctx->stroke();
ctx->restore();
// write Minutes
ctx->save();
ctx->rotate( (Ogre::Math::PI/30)*min + (Ogre::Math::PI/1800)*sec );
ctx->lineWidth(10);
ctx->beginPath();
ctx->moveTo(-28, 0);
ctx->lineTo(112, 0);
ctx->stroke();
ctx->restore();
// Write seconds
ctx->save();
ctx->rotate(sec * Ogre::Math::PI/30);
ctx->strokeStyle(Ogre::Canvas::ColourConverter::fromHexa("#D40000")); //red
ctx->fillStyle(Ogre::Canvas::ColourConverter::fromHexa("#D40000")); //red
ctx->lineWidth(6);
ctx->beginPath();
ctx->moveTo(-30, 0);
ctx->lineTo(83, 0);
ctx->stroke();
ctx->beginPath();
ctx->arc(0, 0, 10, 0, Ogre::Math::PI*2, true);
ctx->fill();
ctx->beginPath();
ctx->arc(95, 0, 10, 0, Ogre::Math::PI*2, true);
ctx->stroke();
ctx->fillStyle(Ogre::Canvas::ColourConverter::fromHexa("#555")); //grey dark
ctx->arc(0, 0, 3, 0, Ogre::Math::PI*2, true);
ctx->fill();
ctx->restore();
ctx->beginPath();
ctx->lineWidth(14);
ctx->strokeStyle(Ogre::Canvas::ColourConverter::fromHexa("#325FA2")); //blue dark
ctx->arc(0, 0, 142, 0, Ogre::Math::PI*2, true);
ctx->stroke();
ctx->restore();
double renderTime = chrono.getTimeElapsed();
mCanvasTextureClock1->uploadTexture();
double uploadTime = chrono.getTimeElapsed()-renderTime;
std::cout << "clock1 render: " << renderTime << "ms, upload: " << uploadTime << "ms" <<std::endl;
}