C++ (Cpp) BAffineTransform::PreRotateBy Exemples

Exemple #1

Fichier : ServerPicture.cpp Projet : bhanug/haiku

static void
rotate_by(void* _canvas, double angleRadians)
{
	Canvas* const canvas = reinterpret_cast<Canvas*>(_canvas);
	BAffineTransform transform = canvas->CurrentState()->Transform();
	transform.PreRotateBy(angleRadians);
	canvas->CurrentState()->SetTransform(transform);
	canvas->GetDrawingEngine()->SetTransform(transform);
}