QSDK 1.1 Documentation

ptut04.cpp File Reference

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Compounds
struct	MyListener
Functions
int	main (int argc, char *argv[])

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Function Documentation

int main (  int  argc, char *  argv[] )

Definition at line 175 of file ptut04.cpp. References Layer::addListener(), Application::addListener(), Application::app(), StatsLayer::create(), TextLayer::create(), ImageLayer::create(), Screen::create(), Shader::create(), StatsLayer::Draw, Font::find(), Texture::find(), StatsLayer::Fps, Application::init(), StatsLayer::Memory, Database::open(), StatsLayer::setCategories(), Screen::setKeyboardFocus(), Application::start(), and StatsLayer::Times. { const char descrText[] = "This tutorial introduces\nthe use of 2D\n" "layers for building\nuser intefaces"; const char helpText[] = "Press <escape> or <q> to Quit"; /** * Initialise the application. */ Q::Application app = Q::Application::app(); app.init(argc, argv); /** * Open the database that contains the logo image and the font. */ Q::Database db = Q::Database::open("root:/data/ptut04.q"); /** * Find the logo image in the database. */ Q::Texture t = Q::Texture::find("POWEREDBYQ"); /** * Create a shader for the image. */ Q::Shader shader = Q::Shader::create(0, t); /** * Find the font in the database. */ Q::Font font = Q::Font::find("A010015L"); /** * Create a screen */ Q::Screen screen = Q::Screen::create("ptut04", 0, 0, Maths::Vec2f(640, 480), Maths::Vec2f(1280, 1024), 16, false); /** * Create a plain color ImageLayer, the size of the screen, to work as a * background color. */ Q::ImageLayer::create(screen, Q::Shader(), Maths::Vec2f(0, 0), Maths::Vec2f(1280, 1024), Maths::Vec2f(0, 0), Maths::Color4b(51, 102, 153), false); /** * Create an ImageLayer to display a Texture from a Database. */ Q::ImageLayer logo = Q::ImageLayer::create(screen, shader, Maths::Vec2f(0, 0), Maths::Vec2f(100, 100), Maths::Vec2f(0.5, 0.5), Maths::Color4b(255, 255, 255)); /** * Create a TextLayer to show the text describing what the application * does, using a Font from the Database */ Q::TextLayer::create(screen, descrText, font, 50, 0, Q::Font::rightJustified, Maths::Vec2f(1180, 700), Maths::Vec2f(1, 1), Maths::Color4b(192, 192, 192)); /** * Create a TextLayer to show the text describing what the application * does, using a Font from the Database */ Q::TextLayer::create(screen, helpText, font, 50, 0, Q::Font::leftJustified, Maths::Vec2f(100, 100), Maths::Vec2f(0, 0), Maths::Color4b(192, 192, 192)); /** * Create a StatsLayer to see how the application is performing. */ Q::StatsLayer stats = Q::StatsLayer::create(screen, font, 50, 0, Maths::Vec2f(100, 924), Maths::Vec2f(0, 1), Maths::Color4b(192, 192, 192), Maths::Color4b(0, 0, 0, 0), true); /** * Set the categories that we are interested in seeing in the stats. */ stats.setCategories(Q::StatsLayer::Fps | Q::StatsLayer::Memory | Q::StatsLayer::Draw | Q::StatsLayer::Times); /** * Create an object to manipulate the logo imagelayer and handle * keypresses for quitting the application. */ MyListener l(logo); /** * Connect the object to the Application to activate its function as an * ApplicationListener. */ app.addListener(l); /** * Connect the object to a Layer to activcate its function as a * KeyboardListener */ logo.addListener((Q::KeyboardListener&) l); /** * Set the keyboard focus to the Layer that the listener is connected to * otherwise the keyboard activity will come through. */ screen.setKeyboardFocus(logo); /** * Start the application. MyListener::onTick will be called once per frame * until shutdown, at which point this function will return. */ app.start(); return 0; }

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