1 /******************************************************************************* 2 * Copyright 2011 See AUTHORS file. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 ******************************************************************************/ 16 17 package com.badlogic.gdx.tests; 18 19 import com.badlogic.gdx.Gdx; 20 import com.badlogic.gdx.Input; 21 import com.badlogic.gdx.InputAdapter; 22 import com.badlogic.gdx.graphics.GL20; 23 import com.badlogic.gdx.graphics.OrthographicCamera; 24 import com.badlogic.gdx.graphics.Pixmap; 25 import com.badlogic.gdx.graphics.Pixmap.Format; 26 import com.badlogic.gdx.graphics.Texture; 27 import com.badlogic.gdx.graphics.g2d.BitmapFont; 28 import com.badlogic.gdx.graphics.g2d.SpriteBatch; 29 import com.badlogic.gdx.graphics.glutils.HdpiUtils; 30 import com.badlogic.gdx.tests.utils.GdxTest; 31 import com.badlogic.gdx.utils.Array; 32 import com.badlogic.gdx.utils.Scaling; 33 import com.badlogic.gdx.utils.viewport.ExtendViewport; 34 import com.badlogic.gdx.utils.viewport.ScalingViewport; 35 import com.badlogic.gdx.utils.viewport.ScreenViewport; 36 import com.badlogic.gdx.utils.viewport.Viewport; 37 38 /** Cycles viewports while rendering with SpriteBatch, also shows how to draw in the black bars. */ 39 public class ViewportTest2 extends GdxTest { 40 Array<Viewport> viewports; 41 Viewport viewport; 42 Array<String> names; 43 String name; 44 45 private SpriteBatch batch; 46 private Texture texture; 47 private BitmapFont font; 48 private OrthographicCamera camera; 49 50 public void create () { 51 font = new BitmapFont(); 52 font.setColor(0, 0, 0, 1); 53 54 Pixmap pixmap = new Pixmap(16, 16, Format.RGBA8888); 55 pixmap.setColor(1, 1, 1, 1); 56 pixmap.fill(); 57 texture = new Texture(pixmap); 58 59 batch = new SpriteBatch(); 60 61 camera = new OrthographicCamera(); 62 camera.position.set(100, 100, 0); 63 camera.update(); 64 65 viewports = ViewportTest1.getViewports(camera); 66 viewport = viewports.first(); 67 68 names = ViewportTest1.getViewportNames(); 69 name = names.first(); 70 71 Gdx.input.setInputProcessor(new InputAdapter() { 72 public boolean keyDown (int keycode) { 73 if (keycode == Input.Keys.SPACE) { 74 int index = (viewports.indexOf(viewport, true) + 1) % viewports.size; 75 name = names.get(index); 76 viewport = viewports.get(index); 77 resize(Gdx.graphics.getWidth(), Gdx.graphics.getHeight()); 78 } 79 return false; 80 } 81 }); 82 } 83 84 public void render () { 85 batch.setProjectionMatrix(camera.projection); 86 batch.setTransformMatrix(camera.view); 87 88 Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT); 89 batch.begin(); 90 // draw a white background so we are able to see the black bars 91 batch.setColor(1, 1, 1, 1); 92 batch.draw(texture, -4096, -4096, 4096, 4096, 8192, 8192, 1, 1, 0, 0, 0, 16, 16, false, false); 93 94 batch.setColor(1, 0, 0, 1); 95 batch.draw(texture, 150, 100, 16, 16, 32, 32, 1, 1, 45, 0, 0, 16, 16, false, false); 96 97 font.draw(batch, viewport.getClass().getSimpleName(), 150, 100); 98 batch.end(); 99 100 if (viewport instanceof ScalingViewport) { 101 // This shows how to set the viewport to the whole screen and draw within the black bars. 102 ScalingViewport scalingViewport = (ScalingViewport)viewport; 103 int screenWidth = Gdx.graphics.getWidth(); 104 int screenHeight = Gdx.graphics.getHeight(); 105 HdpiUtils.glViewport(0, 0, screenWidth, screenHeight); 106 batch.getProjectionMatrix().idt().setToOrtho2D(0, 0, screenWidth, screenHeight); 107 batch.getTransformMatrix().idt(); 108 batch.begin(); 109 float leftGutterWidth = scalingViewport.getLeftGutterWidth(); 110 if (leftGutterWidth > 0) { 111 batch.draw(texture, 0, 0, leftGutterWidth, screenHeight); 112 batch.draw(texture, scalingViewport.getRightGutterX(), 0, scalingViewport.getRightGutterWidth(), screenHeight); 113 } 114 float bottomGutterHeight = scalingViewport.getBottomGutterHeight(); 115 if (bottomGutterHeight > 0) { 116 batch.draw(texture, 0, 0, screenWidth, bottomGutterHeight); 117 batch.draw(texture, 0, scalingViewport.getTopGutterY(), screenWidth, scalingViewport.getTopGutterHeight()); 118 } 119 batch.end(); 120 viewport.update(screenWidth, screenHeight, true); // Restore viewport. 121 } 122 } 123 124 public void resize (int width, int height) { 125 System.out.println(name); 126 viewport.update(width, height); 127 } 128 129 public void dispose () { 130 texture.dispose(); 131 batch.dispose(); 132 } 133 } 134
