The Tor Browser / file comparison
comparison: mobile/android/base/gfx/DisplayPortMetrics.java
mobile/android/base/gfx/DisplayPortMetrics.java
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:14942c5e46c5 |
|---|---|
| 1 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 4 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 package org.mozilla.gecko.gfx; | |
| 7 | |
| 8 import org.mozilla.gecko.mozglue.generatorannotations.WrapElementForJNI; | |
| 9 import org.mozilla.gecko.util.FloatUtils; | |
| 10 | |
| 11 import android.graphics.RectF; | |
| 12 | |
| 13 /* | |
| 14 * This class keeps track of the area we request Gecko to paint, as well | |
| 15 * as the resolution of the paint. The area may be different from the visible | |
| 16 * area of the page, and the resolution may be different from the resolution | |
| 17 * used in the compositor to render the page. This is so that we can ask Gecko | |
| 18 * to paint a much larger area without using extra memory, and then render some | |
| 19 * subsection of that with compositor scaling. | |
| 20 */ | |
| 21 public final class DisplayPortMetrics { | |
| 22 @WrapElementForJNI | |
| 23 public final float resolution; | |
| 24 @WrapElementForJNI | |
| 25 private final RectF mPosition; | |
| 26 | |
| 27 public DisplayPortMetrics() { | |
| 28 this(0, 0, 0, 0, 1); | |
| 29 } | |
| 30 | |
| 31 @WrapElementForJNI | |
| 32 public DisplayPortMetrics(float left, float top, float right, float bottom, float resolution) { | |
| 33 this.resolution = resolution; | |
| 34 mPosition = new RectF(left, top, right, bottom); | |
| 35 } | |
| 36 | |
| 37 public float getLeft() { | |
| 38 return mPosition.left; | |
| 39 } | |
| 40 | |
| 41 public float getTop() { | |
| 42 return mPosition.top; | |
| 43 } | |
| 44 | |
| 45 public float getRight() { | |
| 46 return mPosition.right; | |
| 47 } | |
| 48 | |
| 49 public float getBottom() { | |
| 50 return mPosition.bottom; | |
| 51 } | |
| 52 | |
| 53 public boolean contains(RectF rect) { | |
| 54 return mPosition.contains(rect); | |
| 55 } | |
| 56 | |
| 57 public boolean fuzzyEquals(DisplayPortMetrics metrics) { | |
| 58 return RectUtils.fuzzyEquals(mPosition, metrics.mPosition) | |
| 59 && FloatUtils.fuzzyEquals(resolution, metrics.resolution); | |
| 60 } | |
| 61 | |
| 62 public String toJSON() { | |
| 63 StringBuilder sb = new StringBuilder(256); | |
| 64 sb.append("{ \"left\": ").append(mPosition.left) | |
| 65 .append(", \"top\": ").append(mPosition.top) | |
| 66 .append(", \"right\": ").append(mPosition.right) | |
| 67 .append(", \"bottom\": ").append(mPosition.bottom) | |
| 68 .append(", \"resolution\": ").append(resolution) | |
| 69 .append('}'); | |
| 70 return sb.toString(); | |
| 71 } | |
| 72 | |
| 73 @Override | |
| 74 public String toString() { | |
| 75 return "DisplayPortMetrics v=(" + mPosition.left + "," + mPosition.top + "," + mPosition.right + "," | |
| 76 + mPosition.bottom + ") z=" + resolution; | |
| 77 } | |
| 78 } |
