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Diffstat (limited to '')
-rw-r--r-- | android/source/src/java/org/mozilla/gecko/gfx/FloatSize.java | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/android/source/src/java/org/mozilla/gecko/gfx/FloatSize.java b/android/source/src/java/org/mozilla/gecko/gfx/FloatSize.java new file mode 100644 index 000000000..7b1837311 --- /dev/null +++ b/android/source/src/java/org/mozilla/gecko/gfx/FloatSize.java @@ -0,0 +1,53 @@ +/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +package org.mozilla.gecko.gfx; + +import org.json.JSONException; +import org.json.JSONObject; +import org.mozilla.gecko.util.FloatUtils; + +public class FloatSize { + public final float width, height; + + public FloatSize(FloatSize size) { width = size.width; height = size.height; } + public FloatSize(IntSize size) { width = size.width; height = size.height; } + public FloatSize(float aWidth, float aHeight) { width = aWidth; height = aHeight; } + + public FloatSize(JSONObject json) { + try { + width = (float)json.getDouble("width"); + height = (float)json.getDouble("height"); + } catch (JSONException e) { + throw new RuntimeException(e); + } + } + + @Override + public String toString() { return "(" + width + "," + height + ")"; } + + public boolean isPositive() { + return (width > 0 && height > 0); + } + + public boolean fuzzyEquals(FloatSize size) { + return (FloatUtils.fuzzyEquals(size.width, width) && + FloatUtils.fuzzyEquals(size.height, height)); + } + + public FloatSize scale(float factor) { + return new FloatSize(width * factor, height * factor); + } + + /* + * Returns the size that represents a linear transition between this size and `to` at time `t`, + * which is on the scale [0, 1). + */ + public FloatSize interpolate(FloatSize to, float t) { + return new FloatSize(FloatUtils.interpolate(width, to.width, t), + FloatUtils.interpolate(height, to.height, t)); + } +} + |