15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/interpolated_transform.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <cmath> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef M_PI 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define M_PI 3.14159265358979323846 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/base/animation/tween.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)static const double EPSILON = 1e-6; 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool IsMultipleOfNinetyDegrees(double degrees) { 212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) double remainder = fabs(fmod(degrees, 90.0)); 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return remainder < EPSILON || 90.0 - remainder < EPSILON; 232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool IsApproximatelyZero(double value) { 262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return fabs(value) < EPSILON; 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Returns false if |degrees| is not a multiple of ninety degrees or if 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// |rotation| is NULL. It does not affect |rotation| in this case. Otherwise 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// *rotation is set to be the appropriate sanitized rotation matrix. That is, 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the rotation matrix corresponding to |degrees| which has entries that are all 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// either 0, 1 or -1. 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool MassageRotationIfMultipleOfNinetyDegrees(gfx::Transform* rotation, 352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float degrees) { 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!IsMultipleOfNinetyDegrees(degrees) || !rotation) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Transform transform; 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkMatrix44& m = transform.matrix(); 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float degrees_by_ninety = degrees / 90.0f; 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int n = static_cast<int>(degrees_by_ninety > 0 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ? floor(degrees_by_ninety + 0.5f) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : ceil(degrees_by_ninety - 0.5f)); 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) n %= 4; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (n < 0) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) n += 4; 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // n should now be in the range [0, 3] 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (n == 1) { 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) m.set3x3( 0, 1, 0, 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) -1, 0, 0, 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0, 0, 1); 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (n == 2) { 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) m.set3x3(-1, 0, 0, 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0, -1, 0, 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0, 0, 1); 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (n == 3) { 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) m.set3x3( 0, -1, 0, 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1, 0, 0, 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0, 0, 1); 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *rotation = transform; 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace ui { 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/////////////////////////////////////////////////////////////////////////////// 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// InterpolatedTransform 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedTransform::InterpolatedTransform() 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : start_time_(0.0f), 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) end_time_(1.0f), 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reversed_(false) { 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedTransform::InterpolatedTransform(float start_time, 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float end_time) 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : start_time_(start_time), 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) end_time_(end_time), 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reversed_(false) { 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedTransform::~InterpolatedTransform() {} 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Transform InterpolatedTransform::Interpolate(float t) const { 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (reversed_) 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) t = 1.0f - t; 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Transform result = InterpolateButDoNotCompose(t); 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (child_.get()) { 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) result.ConcatTransform(child_->Interpolate(t)); 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void InterpolatedTransform::SetChild(InterpolatedTransform* child) { 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) child_.reset(child); 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)inline float InterpolatedTransform::ValueBetween(float time, 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float start_value, 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float end_value) const { 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // can't handle NaN 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(time == time && start_time_ == start_time_ && end_time_ == end_time_); 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (time != time || start_time_ != start_time_ || end_time_ != end_time_) 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return start_value; 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Ok if equal -- we'll get a step function. Note: if end_time_ == 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // start_time_ == x, then if none of the numbers are NaN, then it 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // must be true that time < x or time >= x, so we will return early 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // due to one of the following if statements. 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(end_time_ >= start_time_); 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (time < start_time_) 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return start_value; 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (time >= end_time_) 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return end_value; 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float t = (time - start_time_) / (end_time_ - start_time_); 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return static_cast<float>(Tween::ValueBetween(t, start_value, end_value)); 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/////////////////////////////////////////////////////////////////////////////// 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// InterpolatedRotation 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedRotation::InterpolatedRotation(float start_degrees, 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float end_degrees) 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : InterpolatedTransform(), 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) start_degrees_(start_degrees), 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) end_degrees_(end_degrees) { 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedRotation::InterpolatedRotation(float start_degrees, 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float end_degrees, 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float start_time, 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float end_time) 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : InterpolatedTransform(start_time, end_time), 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) start_degrees_(start_degrees), 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) end_degrees_(end_degrees) { 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedRotation::~InterpolatedRotation() {} 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Transform InterpolatedRotation::InterpolateButDoNotCompose(float t) const { 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Transform result; 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float interpolated_degrees = ValueBetween(t, start_degrees_, end_degrees_); 1562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) result.Rotate(interpolated_degrees); 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (t == 0.0f || t == 1.0f) 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MassageRotationIfMultipleOfNinetyDegrees(&result, interpolated_degrees); 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/////////////////////////////////////////////////////////////////////////////// 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// InterpolatedAxisAngleRotation 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedAxisAngleRotation::InterpolatedAxisAngleRotation( 1672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const gfx::Vector3dF& axis, 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float start_degrees, 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float end_degrees) 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : InterpolatedTransform(), 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) axis_(axis), 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) start_degrees_(start_degrees), 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) end_degrees_(end_degrees) { 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedAxisAngleRotation::InterpolatedAxisAngleRotation( 1772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const gfx::Vector3dF& axis, 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float start_degrees, 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float end_degrees, 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float start_time, 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float end_time) 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : InterpolatedTransform(start_time, end_time), 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) axis_(axis), 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) start_degrees_(start_degrees), 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) end_degrees_(end_degrees) { 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedAxisAngleRotation::~InterpolatedAxisAngleRotation() {} 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Transform 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedAxisAngleRotation::InterpolateButDoNotCompose(float t) const { 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Transform result; 1932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) result.RotateAbout(axis_, ValueBetween(t, start_degrees_, end_degrees_)); 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/////////////////////////////////////////////////////////////////////////////// 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// InterpolatedScale 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedScale::InterpolatedScale(float start_scale, float end_scale) 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : InterpolatedTransform(), 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) start_scale_(gfx::Point3F(start_scale, start_scale, start_scale)), 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) end_scale_(gfx::Point3F(end_scale, end_scale, end_scale)) { 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedScale::InterpolatedScale(float start_scale, float end_scale, 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float start_time, float end_time) 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : InterpolatedTransform(start_time, end_time), 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) start_scale_(gfx::Point3F(start_scale, start_scale, start_scale)), 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) end_scale_(gfx::Point3F(end_scale, end_scale, end_scale)) { 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedScale::InterpolatedScale(const gfx::Point3F& start_scale, 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Point3F& end_scale) 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : InterpolatedTransform(), 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) start_scale_(start_scale), 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) end_scale_(end_scale) { 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedScale::InterpolatedScale(const gfx::Point3F& start_scale, 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Point3F& end_scale, 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float start_time, 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float end_time) 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : InterpolatedTransform(start_time, end_time), 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) start_scale_(start_scale), 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) end_scale_(end_scale) { 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedScale::~InterpolatedScale() {} 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Transform InterpolatedScale::InterpolateButDoNotCompose(float t) const { 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Transform result; 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float scale_x = ValueBetween(t, start_scale_.x(), end_scale_.x()); 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float scale_y = ValueBetween(t, start_scale_.y(), end_scale_.y()); 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(vollick) 3d xforms. 2372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) result.Scale(scale_x, scale_y); 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/////////////////////////////////////////////////////////////////////////////// 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// InterpolatedTranslation 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedTranslation::InterpolatedTranslation(const gfx::Point& start_pos, 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Point& end_pos) 2475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : InterpolatedTransform(), 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) start_pos_(start_pos), 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) end_pos_(end_pos) { 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedTranslation::InterpolatedTranslation(const gfx::Point& start_pos, 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Point& end_pos, 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float start_time, 2555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float end_time) 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : InterpolatedTransform(start_time, end_time), 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) start_pos_(start_pos), 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) end_pos_(end_pos) { 2595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedTranslation::~InterpolatedTranslation() {} 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Transform 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedTranslation::InterpolateButDoNotCompose(float t) const { 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Transform result; 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(vollick) 3d xforms. 2672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) result.Translate(ValueBetween(t, start_pos_.x(), end_pos_.x()), 2685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ValueBetween(t, start_pos_.y(), end_pos_.y())); 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/////////////////////////////////////////////////////////////////////////////// 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// InterpolatedConstantTransform 2745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 2755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedConstantTransform::InterpolatedConstantTransform( 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Transform& transform) 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : InterpolatedTransform(), 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) transform_(transform) { 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Transform 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedConstantTransform::InterpolateButDoNotCompose(float t) const { 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return transform_; 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedConstantTransform::~InterpolatedConstantTransform() {} 2885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/////////////////////////////////////////////////////////////////////////////// 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// InterpolatedTransformAboutPivot 2915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedTransformAboutPivot::InterpolatedTransformAboutPivot( 2945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Point& pivot, 2955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InterpolatedTransform* transform) 2965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : InterpolatedTransform() { 2975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Init(pivot, transform); 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedTransformAboutPivot::InterpolatedTransformAboutPivot( 3015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Point& pivot, 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InterpolatedTransform* transform, 3035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float start_time, 3045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float end_time) 3055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : InterpolatedTransform() { 3065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Init(pivot, transform); 3075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedTransformAboutPivot::~InterpolatedTransformAboutPivot() {} 3105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Transform 3125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)InterpolatedTransformAboutPivot::InterpolateButDoNotCompose(float t) const { 3135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transform_.get()) { 3145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return transform_->Interpolate(t); 3155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return gfx::Transform(); 3175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void InterpolatedTransformAboutPivot::Init(const gfx::Point& pivot, 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InterpolatedTransform* xform) { 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Transform to_pivot; 3225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Transform from_pivot; 3232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) to_pivot.Translate(-pivot.x(), -pivot.y()); 3242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) from_pivot.Translate(pivot.x(), pivot.y()); 3255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<InterpolatedTransform> pre_transform( 3275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new InterpolatedConstantTransform(to_pivot)); 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<InterpolatedTransform> post_transform( 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new InterpolatedConstantTransform(from_pivot)); 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pre_transform->SetChild(xform); 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) xform->SetChild(post_transform.release()); 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) transform_.reset(pre_transform.release()); 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)InterpolatedMatrixTransform::InterpolatedMatrixTransform( 3375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Transform& start_transform, 3385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Transform& end_transform) 3395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : InterpolatedTransform() { 3405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Init(start_transform, end_transform); 3415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)InterpolatedMatrixTransform::InterpolatedMatrixTransform( 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Transform& start_transform, 3455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Transform& end_transform, 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float start_time, 3475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float end_time) 3485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : InterpolatedTransform() { 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Init(start_transform, end_transform); 3505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)InterpolatedMatrixTransform::~InterpolatedMatrixTransform() {} 3535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Transform 3552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)InterpolatedMatrixTransform::InterpolateButDoNotCompose(float t) const { 3562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::DecomposedTransform blended; 3572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool success = gfx::BlendDecomposedTransforms(&blended, 3582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) end_decomp_, 3592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) start_decomp_, 3602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) t); 3612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(success); 3622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return gfx::ComposeTransform(blended); 3632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void InterpolatedMatrixTransform::Init(const gfx::Transform& start_transform, 3662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const gfx::Transform& end_transform) { 3672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool success = gfx::DecomposeTransform(&start_decomp_, start_transform); 3682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(success); 3692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) success = gfx::DecomposeTransform(&end_decomp_, end_transform); 3702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(success); 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace ui 374