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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */

Part of the Processing project - http://processing.org

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation, version 2.1.

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General

Public License along with this library; if not, write to the

Free Software Foundation, Inc., 59 Temple Place, Suite 330,

Boston, MA 02111-1307 USA

package processing.core;

public interface PSurface {

/**

* Minimum dimensions for the window holding an applet. This varies between

* platforms, Mac OS X 10.3 (confirmed with 10.7 and Java 6) can do any

* height but requires at least 128 pixels width. Windows XP has another

* set of limitations. And for all I know, Linux probably allows window

* sizes to be negative numbers.

static public final int MIN_WINDOW_WIDTH = 128;

static public final int MIN_WINDOW_HEIGHT = 128;

// renderer that doesn't draw to the screen

public void initOffscreen(PApplet sketch);

// considering removal in favor of separate Component classes for appropriate renderers

// (i.e. for Java2D or a generic Image surface, but not PDF, debatable for GL or FX)

//public Component initComponent(PApplet sketch);

//public Frame initFrame(PApplet sketch, Color backgroundColor,

// public void initFrame(PApplet sketch, int backgroundColor,

// int deviceIndex, boolean fullScreen, boolean spanDisplays);

public void initFrame(PApplet sketch);

/**

* Get the native window object associated with this drawing surface.

* For Java2D, this will be an AWT Frame object. For OpenGL, the window.

* The data returned here is subject to the whims of the renderer,

* and using this method means you're willing to deal with underlying

* implementation changes and that you won't throw a fit like a toddler

* if your code breaks sometime in the future.

public Object getNative();

// Just call these on an AWT Frame object stored in PApplet.

// Silly, but prevents a lot of rewrite and extra methods for little benefit.

// However, maybe prevents us from having to document the 'frame' variable?

/** Set the window (and dock, or whatever necessary) title. */

public void setTitle(String title);

/** Show or hide the window. */

public void setVisible(boolean visible);

/** Set true if we want to resize things (default is not resizable) */

public void setResizable(boolean resizable);

/** Dumb name, but inherited from Frame and no better ideas. */

public void setAlwaysOnTop(boolean always);

public void setIcon(PImage icon);

// public void placeWindow(int[] location);

public void placeWindow(int[] location, int[] editorLocation);

//public void placeFullScreen(boolean hideStop);

public void placePresent(int stopColor);

// Sketch is running from the PDE, set up messaging back to the PDE

public void setupExternalMessages();

// sets displayWidth/Height inside PApplet

//public void checkDisplaySize();

public void setLocation(int x, int y);

public void setSize(int width, int height);

// /**

// * Called by {@link PApplet#createGraphics} to initialize the

// * {@link PGraphics#image} object with an image that's compatible with this

// * drawing surface/display/hardware.

// * @param gr PGraphics object whose image will be set

// * @param wide

// * @param high

// */

// create pixel buffer (pulled out for offscreen graphics)

//public void initImage(PGraphics gr, int wide, int high);

// create pixel buffer, called from allocate() to produce a compatible image for rendering efficiently

// public void initImage(PGraphics gr);

//public Component getComponent();

// /**

// * Sometimes smoothing must be set at the drawing surface level

// * not just inside the renderer itself.

// */

// public void setSmooth(int level);

public void setFrameRate(float fps);

// // called on the first frame so that the now-visible drawing surface can

// // receive key and mouse events

// public void requestFocus();

// // finish rendering to the screen (called by PApplet)

// public void blit();

public void setCursor(int kind);

public void setCursor(PImage image, int hotspotX, int hotspotY);

public void showCursor();

public void hideCursor();

/** Start the animation thread */

public void startThread();

/**

* On the next trip through the animation thread, things should go sleepy-bye.

* Does not pause the thread immediately because that needs to happen on the

* animation thread itself, so fires on the next trip through draw().

public void pauseThread();

public void resumeThread();

/**

* Stop the animation thread (set it null)

* @return false if already stopped

public boolean stopThread();

public boolean isStopped();

}

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