1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 'use strict'; 6 7 base.require('base.bbox2'); 8 base.require('ui.quad_view_viewport'); 9 10 base.unittest.testSuite('ui.quad_view_viewport', function() { 11 var QuadViewViewport = ui.QuadViewViewport; 12 13 test('basicsHighDPIUnpadded', function() { 14 var bbox = new base.BBox2(); 15 bbox.addXY(0, 0); 16 bbox.addXY(4000, 2000); 17 18 var vp = new QuadViewViewport(bbox.asRect(), 0.125, 0, 2); 19 20 assertEquals(500, vp.worldWidthInDevicePixels_); 21 assertEquals(250, vp.worldHeightInDevicePixels_); 22 23 assertEquals(250, vp.layoutRect_.width); 24 assertEquals(125, vp.layoutRect_.height); 25 26 // Top left. 27 var tmp = vp.layoutPixelsToWorldPixels(vec2.createXY(0, 0)); 28 assertEquals(0, tmp[0]); 29 assertEquals(0, tmp[1]); 30 31 // World center. 32 var tmp = vp.layoutPixelsToWorldPixels(vec2.createXY(125, 62.5)); 33 assertEquals(2000, tmp[0]); 34 assertEquals(1000, tmp[1]); 35 36 // Bottom right. 37 var tmp = vp.layoutPixelsToWorldPixels(vec2.createXY(250, 125)); 38 assertEquals(4000, tmp[0]); 39 assertEquals(2000, tmp[1]); 40 41 assertRectEquals(bbox.asRect(), vp.unpaddedWorldRect); 42 }); 43 44 test('basicsHighDPI', function() { 45 var bbox = new base.BBox2(); 46 bbox.addXY(0, 0); 47 bbox.addXY(4000, 2000); 48 49 var vp = new QuadViewViewport(bbox.asRect(), 0.125, 0.1, 2); 50 assertEquals(550, vp.worldWidthInDevicePixels_); 51 assertEquals(300, vp.worldHeightInDevicePixels_); 52 53 assertEquals(275, vp.layoutRect_.width); 54 assertEquals(150, vp.layoutRect_.height); 55 56 // Top left. 57 var tmp = vp.layoutPixelsToWorldPixels(vec2.createXY(0, 0)); 58 assertEquals(-200, tmp[0]); 59 assertEquals(-200, tmp[1]); 60 61 // World center. 62 var tmp = vp.layoutPixelsToWorldPixels(vec2.createXY(137.5, 75)); 63 assertEquals(2000, tmp[0]); 64 assertEquals(1000, tmp[1]); 65 66 // Bottom right. 67 var tmp = vp.layoutPixelsToWorldPixels(vec2.createXY(275, 150)); 68 assertEquals(4200, tmp[0]); 69 assertEquals(2200, tmp[1]); 70 71 assertRectEquals(bbox.asRect(), vp.unpaddedWorldRect); 72 }); 73 }); 74
