MockGraphics.java

/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package com.badlogic.gdx.backends.headless.mock.graphics;

import com.badlogic.gdx.Application;
import com.badlogic.gdx.Graphics;
import com.badlogic.gdx.graphics.Cursor;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.GL30;
import com.badlogic.gdx.graphics.Pixmap;
import com.badlogic.gdx.graphics.Cursor.SystemCursor;
import com.badlogic.gdx.graphics.glutils.GLVersion;

/** The headless backend does its best to mock elements. This is intended to make code-sharing between
 * server and client as simple as possible.
 */
public class MockGraphics implements Graphics {
	long frameId = -1;
	float deltaTime = 0;
	long frameStart = 0;
	int frames = 0;
	int fps;
	long lastTime = System.nanoTime();
	GLVersion glVersion = new GLVersion(Application.ApplicationType.HeadlessDesktop, "", "", "");
	@Override
	public boolean isGL30Available() {
		return false;
	}

	@Override
	public GL20 getGL20() {
		return null;
	}

	@Override
	public GL30 getGL30() {
		return null;
	}

	@Override
	public int getWidth() {
		return 0;
	}

	@Override
	public int getHeight() {
		return 0;
	}

	@Override
	public int getBackBufferWidth() {
		return 0;
	}

	@Override
	public int getBackBufferHeight() {
		return 0;
	}

	@Override
	public long getFrameId() {
		return frameId;
	}

	@Override
	public float getDeltaTime() {
		return deltaTime;
	}

	@Override
	public float getRawDeltaTime() {
		return 0;
	}

	@Override
	public int getFramesPerSecond() {
		return 0;
	}

	@Override
	public GraphicsType getType() {
		return GraphicsType.Mock;
	}

	@Override
	public GLVersion getGLVersion () {
		return glVersion;
	}

	@Override
	public float getPpiX() {
		return 0;
	}

	@Override
	public float getPpiY() {
		return 0;
	}

	@Override
	public float getPpcX() {
		return 0;
	}

	@Override
	public float getPpcY() {
		return 0;
	}

	@Override
	public float getDensity() {
		return 0;
	}

	@Override
	public boolean supportsDisplayModeChange() {
		return false;
	}

	@Override
	public DisplayMode[] getDisplayModes() {
		return new DisplayMode[0];
	}

	@Override
	public DisplayMode getDisplayMode() {
		return null;
	}

	@Override
	public boolean setFullscreenMode(DisplayMode displayMode) {
		return false;
	}

	@Override
	public boolean setWindowedMode(int width, int height) {
		return false;
	}

	@Override
	public void setTitle(String title) {

	}

	@Override
	public void setVSync(boolean vsync) {

	}

	@Override
	public BufferFormat getBufferFormat() {
		return null;
	}

	@Override
	public boolean supportsExtension(String extension) {
		return false;
	}

	@Override
	public void setContinuousRendering(boolean isContinuous) {

	}

	@Override
	public boolean isContinuousRendering() {
		return false;
	}

	@Override
	public void requestRendering() {

	}

	@Override
	public boolean isFullscreen() {
		return false;
	}

	public void updateTime () {
		long time = System.nanoTime();
		deltaTime = (time - lastTime) / 1000000000.0f;
		lastTime = time;

		if (time - frameStart >= 1000000000) {
			fps = frames;
			frames = 0;
			frameStart = time;
		}
		frames++;
	}

	public void incrementFrameId () {
		frameId++;
	}

	@Override
	public Cursor newCursor (Pixmap pixmap, int xHotspot, int yHotspot) {
		return null;
	}

	@Override
	public void setCursor (Cursor cursor) {
	}

	@Override
	public void setSystemCursor (SystemCursor systemCursor) {
	}

	@Override
	public Monitor getPrimaryMonitor() {
		return null;
	}

	@Override
	public Monitor getMonitor() {
		return null;
	}

	@Override
	public Monitor[] getMonitors() {
		return null;
	}

	@Override
	public DisplayMode[] getDisplayModes(Monitor monitor) {
		return null;
	}

	@Override
	public DisplayMode getDisplayMode(Monitor monitor) {
		return null;
	}

	@Override
	public void setUndecorated(boolean undecorated) {

	}

	@Override
	public void setResizable(boolean resizable) {

	}
}