Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
Florin Malita | 54f65c4 | 2018-01-16 17:04:30 -0500 | [diff] [blame] | 8 | #include "Skottie.h" |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 9 | |
| 10 | #include "SkCanvas.h" |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 11 | #include "SkJSONCPP.h" |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 12 | #include "SkottieAdapter.h" |
Florin Malita | 54f65c4 | 2018-01-16 17:04:30 -0500 | [diff] [blame] | 13 | #include "SkottieAnimator.h" |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 14 | #include "SkottieParser.h" |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 15 | #include "SkottieValue.h" |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 16 | #include "SkData.h" |
Florin Malita | 4932807 | 2018-01-08 12:51:12 -0500 | [diff] [blame] | 17 | #include "SkImage.h" |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 18 | #include "SkMakeUnique.h" |
Florin Malita | 4932807 | 2018-01-08 12:51:12 -0500 | [diff] [blame] | 19 | #include "SkOSPath.h" |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 20 | #include "SkPaint.h" |
Florin Malita | 0e66fba | 2018-01-09 17:10:18 -0500 | [diff] [blame] | 21 | #include "SkParse.h" |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 22 | #include "SkPoint.h" |
Florin Malita | 38ea40e | 2018-01-29 16:31:14 -0500 | [diff] [blame] | 23 | #include "SkSGClipEffect.h" |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 24 | #include "SkSGColor.h" |
| 25 | #include "SkSGDraw.h" |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 26 | #include "SkSGGeometryTransform.h" |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 27 | #include "SkSGGradient.h" |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 28 | #include "SkSGGroup.h" |
Florin Malita | 4932807 | 2018-01-08 12:51:12 -0500 | [diff] [blame] | 29 | #include "SkSGImage.h" |
| 30 | #include "SkSGInvalidationController.h" |
Florin Malita | 5f9102f | 2018-01-10 13:36:22 -0500 | [diff] [blame] | 31 | #include "SkSGMaskEffect.h" |
Florin Malita | e6345d9 | 2018-01-03 23:37:54 -0500 | [diff] [blame] | 32 | #include "SkSGMerge.h" |
Florin Malita | c003417 | 2018-01-08 16:42:59 -0500 | [diff] [blame] | 33 | #include "SkSGOpacityEffect.h" |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 34 | #include "SkSGPath.h" |
Florin Malita | 2e1d7e2 | 2018-01-02 10:40:00 -0500 | [diff] [blame] | 35 | #include "SkSGRect.h" |
Florin Malita | 35efaa8 | 2018-01-22 12:57:06 -0500 | [diff] [blame] | 36 | #include "SkSGScene.h" |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 37 | #include "SkSGTransform.h" |
Florin Malita | 51b8c89 | 2018-01-07 08:54:24 -0500 | [diff] [blame] | 38 | #include "SkSGTrimEffect.h" |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 39 | #include "SkStream.h" |
| 40 | #include "SkTArray.h" |
Florin Malita | 6eb85a1 | 2018-04-30 10:32:18 -0400 | [diff] [blame] | 41 | #include "SkTime.h" |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 42 | #include "SkTHash.h" |
| 43 | |
| 44 | #include <cmath> |
Florin Malita | e6345d9 | 2018-01-03 23:37:54 -0500 | [diff] [blame] | 45 | #include <vector> |
| 46 | |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 47 | #include "stdlib.h" |
| 48 | |
Florin Malita | 54f65c4 | 2018-01-16 17:04:30 -0500 | [diff] [blame] | 49 | namespace skottie { |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 50 | |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 51 | #define LOG SkDebugf |
| 52 | |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 53 | namespace { |
| 54 | |
Florin Malita | dd22cf96 | 2018-01-29 15:42:01 +0000 | [diff] [blame] | 55 | using AssetMap = SkTHashMap<SkString, const Json::Value*>; |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 56 | |
| 57 | struct AttachContext { |
Florin Malita | cca86f3 | 2018-01-29 10:49:49 -0500 | [diff] [blame] | 58 | const ResourceProvider& fResources; |
| 59 | const AssetMap& fAssets; |
Florin Malita | 1022f74 | 2018-02-23 11:10:22 -0500 | [diff] [blame] | 60 | const float fFrameRate; |
Florin Malita | cca86f3 | 2018-01-29 10:49:49 -0500 | [diff] [blame] | 61 | sksg::AnimatorList& fAnimators; |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 62 | }; |
| 63 | |
| 64 | bool LogFail(const Json::Value& json, const char* msg) { |
| 65 | const auto dump = json.toStyledString(); |
| 66 | LOG("!! %s: %s", msg, dump.c_str()); |
| 67 | return false; |
| 68 | } |
| 69 | |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 70 | sk_sp<sksg::Matrix> AttachMatrix(const Json::Value& t, AttachContext* ctx, |
| 71 | sk_sp<sksg::Matrix> parentMatrix) { |
| 72 | if (!t.isObject()) |
| 73 | return nullptr; |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 74 | |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 75 | auto matrix = sksg::Matrix::Make(SkMatrix::I(), std::move(parentMatrix)); |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 76 | auto adapter = sk_make_sp<TransformAdapter>(matrix); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 77 | auto anchor_attached = BindProperty<VectorValue>(t["a"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 78 | [adapter](const VectorValue& a) { |
| 79 | adapter->setAnchorPoint(ValueTraits<VectorValue>::As<SkPoint>(a)); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 80 | }); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 81 | auto position_attached = BindProperty<VectorValue>(t["p"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 82 | [adapter](const VectorValue& p) { |
| 83 | adapter->setPosition(ValueTraits<VectorValue>::As<SkPoint>(p)); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 84 | }); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 85 | auto scale_attached = BindProperty<VectorValue>(t["s"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 86 | [adapter](const VectorValue& s) { |
| 87 | adapter->setScale(ValueTraits<VectorValue>::As<SkVector>(s)); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 88 | }); |
Florin Malita | 1eb98db | 2018-01-26 15:03:38 -0500 | [diff] [blame] | 89 | |
| 90 | auto* jrotation = &t["r"]; |
| 91 | if (jrotation->isNull()) { |
| 92 | // 3d rotations have separate rx,ry,rz components. While we don't fully support them, |
| 93 | // we can still make use of rz. |
| 94 | jrotation = &t["rz"]; |
| 95 | } |
| 96 | auto rotation_attached = BindProperty<ScalarValue>(*jrotation, &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 97 | [adapter](const ScalarValue& r) { |
| 98 | adapter->setRotation(r); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 99 | }); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 100 | auto skew_attached = BindProperty<ScalarValue>(t["sk"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 101 | [adapter](const ScalarValue& sk) { |
| 102 | adapter->setSkew(sk); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 103 | }); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 104 | auto skewaxis_attached = BindProperty<ScalarValue>(t["sa"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 105 | [adapter](const ScalarValue& sa) { |
| 106 | adapter->setSkewAxis(sa); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 107 | }); |
| 108 | |
| 109 | if (!anchor_attached && |
| 110 | !position_attached && |
| 111 | !scale_attached && |
| 112 | !rotation_attached && |
| 113 | !skew_attached && |
| 114 | !skewaxis_attached) { |
| 115 | LogFail(t, "Could not parse transform"); |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 116 | return nullptr; |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 117 | } |
| 118 | |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 119 | return matrix; |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 120 | } |
| 121 | |
Florin Malita | c003417 | 2018-01-08 16:42:59 -0500 | [diff] [blame] | 122 | sk_sp<sksg::RenderNode> AttachOpacity(const Json::Value& jtransform, AttachContext* ctx, |
| 123 | sk_sp<sksg::RenderNode> childNode) { |
| 124 | if (!jtransform.isObject() || !childNode) |
| 125 | return childNode; |
| 126 | |
| 127 | // This is more peeky than other attachers, because we want to avoid redundant opacity |
| 128 | // nodes for the extremely common case of static opaciy == 100. |
| 129 | const auto& opacity = jtransform["o"]; |
| 130 | if (opacity.isObject() && |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 131 | !ParseDefault(opacity["a"], true) && |
| 132 | ParseDefault(opacity["k"], -1) == 100) { |
Florin Malita | c003417 | 2018-01-08 16:42:59 -0500 | [diff] [blame] | 133 | // Ignoring static full opacity. |
| 134 | return childNode; |
| 135 | } |
| 136 | |
| 137 | auto opacityNode = sksg::OpacityEffect::Make(childNode); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 138 | BindProperty<ScalarValue>(opacity, &ctx->fAnimators, |
Florin Malita | 2518a0a | 2018-01-24 18:29:00 -0500 | [diff] [blame] | 139 | [opacityNode](const ScalarValue& o) { |
Florin Malita | c003417 | 2018-01-08 16:42:59 -0500 | [diff] [blame] | 140 | // BM opacity is [0..100] |
Florin Malita | 2518a0a | 2018-01-24 18:29:00 -0500 | [diff] [blame] | 141 | opacityNode->setOpacity(o * 0.01f); |
Florin Malita | c003417 | 2018-01-08 16:42:59 -0500 | [diff] [blame] | 142 | }); |
| 143 | |
Kevin Lubick | f7621cb | 2018-04-16 15:51:44 -0400 | [diff] [blame] | 144 | return std::move(opacityNode); |
Florin Malita | c003417 | 2018-01-08 16:42:59 -0500 | [diff] [blame] | 145 | } |
| 146 | |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 147 | sk_sp<sksg::RenderNode> AttachComposition(const Json::Value&, AttachContext* ctx); |
| 148 | |
Florin Malita | 25366fa | 2018-01-23 13:37:59 -0500 | [diff] [blame] | 149 | sk_sp<sksg::Path> AttachPath(const Json::Value& jpath, AttachContext* ctx) { |
| 150 | auto path_node = sksg::Path::Make(); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 151 | return BindProperty<ShapeValue>(jpath, &ctx->fAnimators, |
Florin Malita | c353ee2 | 2018-04-30 21:49:41 -0400 | [diff] [blame^] | 152 | [path_node](const ShapeValue& p) { |
| 153 | path_node->setPath(ValueTraits<ShapeValue>::As<SkPath>(p)); |
| 154 | }) |
Florin Malita | 25366fa | 2018-01-23 13:37:59 -0500 | [diff] [blame] | 155 | ? path_node |
| 156 | : nullptr; |
| 157 | } |
| 158 | |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 159 | sk_sp<sksg::GeometryNode> AttachPathGeometry(const Json::Value& jpath, AttachContext* ctx) { |
| 160 | SkASSERT(jpath.isObject()); |
| 161 | |
Florin Malita | 25366fa | 2018-01-23 13:37:59 -0500 | [diff] [blame] | 162 | return AttachPath(jpath["ks"], ctx); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 163 | } |
| 164 | |
Florin Malita | 2e1d7e2 | 2018-01-02 10:40:00 -0500 | [diff] [blame] | 165 | sk_sp<sksg::GeometryNode> AttachRRectGeometry(const Json::Value& jrect, AttachContext* ctx) { |
| 166 | SkASSERT(jrect.isObject()); |
| 167 | |
| 168 | auto rect_node = sksg::RRect::Make(); |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 169 | auto adapter = sk_make_sp<RRectAdapter>(rect_node); |
Florin Malita | 2e1d7e2 | 2018-01-02 10:40:00 -0500 | [diff] [blame] | 170 | |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 171 | auto p_attached = BindProperty<VectorValue>(jrect["p"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 172 | [adapter](const VectorValue& p) { |
| 173 | adapter->setPosition(ValueTraits<VectorValue>::As<SkPoint>(p)); |
Florin Malita | f959092 | 2018-01-09 11:56:09 -0500 | [diff] [blame] | 174 | }); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 175 | auto s_attached = BindProperty<VectorValue>(jrect["s"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 176 | [adapter](const VectorValue& s) { |
| 177 | adapter->setSize(ValueTraits<VectorValue>::As<SkSize>(s)); |
Florin Malita | f959092 | 2018-01-09 11:56:09 -0500 | [diff] [blame] | 178 | }); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 179 | auto r_attached = BindProperty<ScalarValue>(jrect["r"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 180 | [adapter](const ScalarValue& r) { |
| 181 | adapter->setRadius(SkSize::Make(r, r)); |
Florin Malita | f959092 | 2018-01-09 11:56:09 -0500 | [diff] [blame] | 182 | }); |
Florin Malita | 2e1d7e2 | 2018-01-02 10:40:00 -0500 | [diff] [blame] | 183 | |
| 184 | if (!p_attached && !s_attached && !r_attached) { |
| 185 | return nullptr; |
| 186 | } |
| 187 | |
Kevin Lubick | f7621cb | 2018-04-16 15:51:44 -0400 | [diff] [blame] | 188 | return std::move(rect_node); |
Florin Malita | fbc13f1 | 2018-01-04 10:26:35 -0500 | [diff] [blame] | 189 | } |
| 190 | |
| 191 | sk_sp<sksg::GeometryNode> AttachEllipseGeometry(const Json::Value& jellipse, AttachContext* ctx) { |
| 192 | SkASSERT(jellipse.isObject()); |
| 193 | |
| 194 | auto rect_node = sksg::RRect::Make(); |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 195 | auto adapter = sk_make_sp<RRectAdapter>(rect_node); |
Florin Malita | fbc13f1 | 2018-01-04 10:26:35 -0500 | [diff] [blame] | 196 | |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 197 | auto p_attached = BindProperty<VectorValue>(jellipse["p"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 198 | [adapter](const VectorValue& p) { |
| 199 | adapter->setPosition(ValueTraits<VectorValue>::As<SkPoint>(p)); |
Florin Malita | f959092 | 2018-01-09 11:56:09 -0500 | [diff] [blame] | 200 | }); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 201 | auto s_attached = BindProperty<VectorValue>(jellipse["s"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 202 | [adapter](const VectorValue& s) { |
Florin Malita | f959092 | 2018-01-09 11:56:09 -0500 | [diff] [blame] | 203 | const auto sz = ValueTraits<VectorValue>::As<SkSize>(s); |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 204 | adapter->setSize(sz); |
| 205 | adapter->setRadius(SkSize::Make(sz.width() / 2, sz.height() / 2)); |
Florin Malita | f959092 | 2018-01-09 11:56:09 -0500 | [diff] [blame] | 206 | }); |
Florin Malita | fbc13f1 | 2018-01-04 10:26:35 -0500 | [diff] [blame] | 207 | |
| 208 | if (!p_attached && !s_attached) { |
| 209 | return nullptr; |
| 210 | } |
| 211 | |
Kevin Lubick | f7621cb | 2018-04-16 15:51:44 -0400 | [diff] [blame] | 212 | return std::move(rect_node); |
Florin Malita | 2e1d7e2 | 2018-01-02 10:40:00 -0500 | [diff] [blame] | 213 | } |
| 214 | |
Florin Malita | 02a32b0 | 2018-01-04 11:27:09 -0500 | [diff] [blame] | 215 | sk_sp<sksg::GeometryNode> AttachPolystarGeometry(const Json::Value& jstar, AttachContext* ctx) { |
| 216 | SkASSERT(jstar.isObject()); |
| 217 | |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 218 | static constexpr PolyStarAdapter::Type gTypes[] = { |
| 219 | PolyStarAdapter::Type::kStar, // "sy": 1 |
| 220 | PolyStarAdapter::Type::kPoly, // "sy": 2 |
Florin Malita | 02a32b0 | 2018-01-04 11:27:09 -0500 | [diff] [blame] | 221 | }; |
| 222 | |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 223 | const auto type = ParseDefault(jstar["sy"], 0) - 1; |
Florin Malita | 02a32b0 | 2018-01-04 11:27:09 -0500 | [diff] [blame] | 224 | if (type < 0 || type >= SkTo<int>(SK_ARRAY_COUNT(gTypes))) { |
| 225 | LogFail(jstar, "Unknown polystar type"); |
| 226 | return nullptr; |
| 227 | } |
| 228 | |
| 229 | auto path_node = sksg::Path::Make(); |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 230 | auto adapter = sk_make_sp<PolyStarAdapter>(path_node, gTypes[type]); |
Florin Malita | 02a32b0 | 2018-01-04 11:27:09 -0500 | [diff] [blame] | 231 | |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 232 | BindProperty<VectorValue>(jstar["p"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 233 | [adapter](const VectorValue& p) { |
| 234 | adapter->setPosition(ValueTraits<VectorValue>::As<SkPoint>(p)); |
Florin Malita | f959092 | 2018-01-09 11:56:09 -0500 | [diff] [blame] | 235 | }); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 236 | BindProperty<ScalarValue>(jstar["pt"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 237 | [adapter](const ScalarValue& pt) { |
| 238 | adapter->setPointCount(pt); |
Florin Malita | f959092 | 2018-01-09 11:56:09 -0500 | [diff] [blame] | 239 | }); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 240 | BindProperty<ScalarValue>(jstar["ir"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 241 | [adapter](const ScalarValue& ir) { |
| 242 | adapter->setInnerRadius(ir); |
Florin Malita | f959092 | 2018-01-09 11:56:09 -0500 | [diff] [blame] | 243 | }); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 244 | BindProperty<ScalarValue>(jstar["or"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 245 | [adapter](const ScalarValue& otr) { |
| 246 | adapter->setOuterRadius(otr); |
Florin Malita | 9661b98 | 2018-01-06 14:25:49 -0500 | [diff] [blame] | 247 | }); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 248 | BindProperty<ScalarValue>(jstar["is"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 249 | [adapter](const ScalarValue& is) { |
| 250 | adapter->setInnerRoundness(is); |
Florin Malita | 9661b98 | 2018-01-06 14:25:49 -0500 | [diff] [blame] | 251 | }); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 252 | BindProperty<ScalarValue>(jstar["os"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 253 | [adapter](const ScalarValue& os) { |
| 254 | adapter->setOuterRoundness(os); |
Florin Malita | 9661b98 | 2018-01-06 14:25:49 -0500 | [diff] [blame] | 255 | }); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 256 | BindProperty<ScalarValue>(jstar["r"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 257 | [adapter](const ScalarValue& r) { |
| 258 | adapter->setRotation(r); |
Florin Malita | f959092 | 2018-01-09 11:56:09 -0500 | [diff] [blame] | 259 | }); |
Florin Malita | 02a32b0 | 2018-01-04 11:27:09 -0500 | [diff] [blame] | 260 | |
Kevin Lubick | f7621cb | 2018-04-16 15:51:44 -0400 | [diff] [blame] | 261 | return std::move(path_node); |
Florin Malita | 02a32b0 | 2018-01-04 11:27:09 -0500 | [diff] [blame] | 262 | } |
| 263 | |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 264 | sk_sp<sksg::Color> AttachColor(const Json::Value& obj, AttachContext* ctx) { |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 265 | SkASSERT(obj.isObject()); |
| 266 | |
| 267 | auto color_node = sksg::Color::Make(SK_ColorBLACK); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 268 | auto color_attached = BindProperty<VectorValue>(obj["c"], &ctx->fAnimators, |
Florin Malita | 2518a0a | 2018-01-24 18:29:00 -0500 | [diff] [blame] | 269 | [color_node](const VectorValue& c) { |
| 270 | color_node->setColor(ValueTraits<VectorValue>::As<SkColor>(c)); |
Florin Malita | f959092 | 2018-01-09 11:56:09 -0500 | [diff] [blame] | 271 | }); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 272 | |
Florin Malita | 1586d85 | 2018-01-12 14:27:39 -0500 | [diff] [blame] | 273 | return color_attached ? color_node : nullptr; |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 274 | } |
| 275 | |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 276 | sk_sp<sksg::Gradient> AttachGradient(const Json::Value& obj, AttachContext* ctx) { |
| 277 | SkASSERT(obj.isObject()); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 278 | |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 279 | const auto& stops = obj["g"]; |
| 280 | if (!stops.isObject()) |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 281 | return nullptr; |
| 282 | |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 283 | const auto stopCount = ParseDefault(stops["p"], -1); |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 284 | if (stopCount < 0) |
| 285 | return nullptr; |
| 286 | |
| 287 | sk_sp<sksg::Gradient> gradient_node; |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 288 | sk_sp<GradientAdapter> adapter; |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 289 | |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 290 | if (ParseDefault(obj["t"], 1) == 1) { |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 291 | auto linear_node = sksg::LinearGradient::Make(); |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 292 | adapter = sk_make_sp<LinearGradientAdapter>(linear_node, stopCount); |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 293 | gradient_node = std::move(linear_node); |
| 294 | } else { |
| 295 | auto radial_node = sksg::RadialGradient::Make(); |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 296 | adapter = sk_make_sp<RadialGradientAdapter>(radial_node, stopCount); |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 297 | |
| 298 | // TODO: highlight, angle |
| 299 | gradient_node = std::move(radial_node); |
| 300 | } |
| 301 | |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 302 | BindProperty<VectorValue>(stops["k"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 303 | [adapter](const VectorValue& stops) { |
| 304 | adapter->setColorStops(stops); |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 305 | }); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 306 | BindProperty<VectorValue>(obj["s"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 307 | [adapter](const VectorValue& s) { |
| 308 | adapter->setStartPoint(ValueTraits<VectorValue>::As<SkPoint>(s)); |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 309 | }); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 310 | BindProperty<VectorValue>(obj["e"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 311 | [adapter](const VectorValue& e) { |
| 312 | adapter->setEndPoint(ValueTraits<VectorValue>::As<SkPoint>(e)); |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 313 | }); |
| 314 | |
| 315 | return gradient_node; |
| 316 | } |
| 317 | |
Florin Malita | 1586d85 | 2018-01-12 14:27:39 -0500 | [diff] [blame] | 318 | sk_sp<sksg::PaintNode> AttachPaint(const Json::Value& jpaint, AttachContext* ctx, |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 319 | sk_sp<sksg::PaintNode> paint_node) { |
| 320 | if (paint_node) { |
| 321 | paint_node->setAntiAlias(true); |
| 322 | |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 323 | BindProperty<ScalarValue>(jpaint["o"], &ctx->fAnimators, |
Florin Malita | 2518a0a | 2018-01-24 18:29:00 -0500 | [diff] [blame] | 324 | [paint_node](const ScalarValue& o) { |
Florin Malita | 1586d85 | 2018-01-12 14:27:39 -0500 | [diff] [blame] | 325 | // BM opacity is [0..100] |
Florin Malita | 2518a0a | 2018-01-24 18:29:00 -0500 | [diff] [blame] | 326 | paint_node->setOpacity(o * 0.01f); |
Florin Malita | 1586d85 | 2018-01-12 14:27:39 -0500 | [diff] [blame] | 327 | }); |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 328 | } |
| 329 | |
| 330 | return paint_node; |
| 331 | } |
| 332 | |
| 333 | sk_sp<sksg::PaintNode> AttachStroke(const Json::Value& jstroke, AttachContext* ctx, |
| 334 | sk_sp<sksg::PaintNode> stroke_node) { |
| 335 | SkASSERT(jstroke.isObject()); |
| 336 | |
| 337 | if (!stroke_node) |
| 338 | return nullptr; |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 339 | |
| 340 | stroke_node->setStyle(SkPaint::kStroke_Style); |
| 341 | |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 342 | auto width_attached = BindProperty<ScalarValue>(jstroke["w"], &ctx->fAnimators, |
Florin Malita | 2518a0a | 2018-01-24 18:29:00 -0500 | [diff] [blame] | 343 | [stroke_node](const ScalarValue& w) { |
| 344 | stroke_node->setStrokeWidth(w); |
Florin Malita | f959092 | 2018-01-09 11:56:09 -0500 | [diff] [blame] | 345 | }); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 346 | if (!width_attached) |
| 347 | return nullptr; |
| 348 | |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 349 | stroke_node->setStrokeMiter(ParseDefault(jstroke["ml"], 4.0f)); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 350 | |
| 351 | static constexpr SkPaint::Join gJoins[] = { |
| 352 | SkPaint::kMiter_Join, |
| 353 | SkPaint::kRound_Join, |
| 354 | SkPaint::kBevel_Join, |
| 355 | }; |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 356 | stroke_node->setStrokeJoin(gJoins[SkTPin<int>(ParseDefault(jstroke["lj"], 1) - 1, |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 357 | 0, SK_ARRAY_COUNT(gJoins) - 1)]); |
| 358 | |
| 359 | static constexpr SkPaint::Cap gCaps[] = { |
| 360 | SkPaint::kButt_Cap, |
| 361 | SkPaint::kRound_Cap, |
| 362 | SkPaint::kSquare_Cap, |
| 363 | }; |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 364 | stroke_node->setStrokeCap(gCaps[SkTPin<int>(ParseDefault(jstroke["lc"], 1) - 1, |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 365 | 0, SK_ARRAY_COUNT(gCaps) - 1)]); |
| 366 | |
| 367 | return stroke_node; |
| 368 | } |
| 369 | |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 370 | sk_sp<sksg::PaintNode> AttachColorFill(const Json::Value& jfill, AttachContext* ctx) { |
| 371 | SkASSERT(jfill.isObject()); |
| 372 | |
| 373 | return AttachPaint(jfill, ctx, AttachColor(jfill, ctx)); |
| 374 | } |
| 375 | |
| 376 | sk_sp<sksg::PaintNode> AttachGradientFill(const Json::Value& jfill, AttachContext* ctx) { |
| 377 | SkASSERT(jfill.isObject()); |
| 378 | |
| 379 | return AttachPaint(jfill, ctx, AttachGradient(jfill, ctx)); |
| 380 | } |
| 381 | |
| 382 | sk_sp<sksg::PaintNode> AttachColorStroke(const Json::Value& jstroke, AttachContext* ctx) { |
| 383 | SkASSERT(jstroke.isObject()); |
| 384 | |
| 385 | return AttachStroke(jstroke, ctx, AttachPaint(jstroke, ctx, AttachColor(jstroke, ctx))); |
| 386 | } |
| 387 | |
| 388 | sk_sp<sksg::PaintNode> AttachGradientStroke(const Json::Value& jstroke, AttachContext* ctx) { |
| 389 | SkASSERT(jstroke.isObject()); |
| 390 | |
| 391 | return AttachStroke(jstroke, ctx, AttachPaint(jstroke, ctx, AttachGradient(jstroke, ctx))); |
| 392 | } |
| 393 | |
Florin Malita | e6345d9 | 2018-01-03 23:37:54 -0500 | [diff] [blame] | 394 | std::vector<sk_sp<sksg::GeometryNode>> AttachMergeGeometryEffect( |
| 395 | const Json::Value& jmerge, AttachContext* ctx, std::vector<sk_sp<sksg::GeometryNode>>&& geos) { |
| 396 | std::vector<sk_sp<sksg::GeometryNode>> merged; |
| 397 | |
| 398 | static constexpr sksg::Merge::Mode gModes[] = { |
| 399 | sksg::Merge::Mode::kMerge, // "mm": 1 |
| 400 | sksg::Merge::Mode::kUnion, // "mm": 2 |
| 401 | sksg::Merge::Mode::kDifference, // "mm": 3 |
| 402 | sksg::Merge::Mode::kIntersect, // "mm": 4 |
| 403 | sksg::Merge::Mode::kXOR , // "mm": 5 |
| 404 | }; |
| 405 | |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 406 | const auto mode = gModes[SkTPin<int>(ParseDefault(jmerge["mm"], 1) - 1, |
Florin Malita | 51b8c89 | 2018-01-07 08:54:24 -0500 | [diff] [blame] | 407 | 0, SK_ARRAY_COUNT(gModes) - 1)]; |
Florin Malita | e6345d9 | 2018-01-03 23:37:54 -0500 | [diff] [blame] | 408 | merged.push_back(sksg::Merge::Make(std::move(geos), mode)); |
| 409 | |
Florin Malita | e6345d9 | 2018-01-03 23:37:54 -0500 | [diff] [blame] | 410 | return merged; |
| 411 | } |
| 412 | |
Florin Malita | 51b8c89 | 2018-01-07 08:54:24 -0500 | [diff] [blame] | 413 | std::vector<sk_sp<sksg::GeometryNode>> AttachTrimGeometryEffect( |
| 414 | const Json::Value& jtrim, AttachContext* ctx, std::vector<sk_sp<sksg::GeometryNode>>&& geos) { |
| 415 | |
| 416 | enum class Mode { |
| 417 | kMerged, // "m": 1 |
| 418 | kSeparate, // "m": 2 |
| 419 | } gModes[] = { Mode::kMerged, Mode::kSeparate }; |
| 420 | |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 421 | const auto mode = gModes[SkTPin<int>(ParseDefault(jtrim["m"], 1) - 1, |
Florin Malita | 51b8c89 | 2018-01-07 08:54:24 -0500 | [diff] [blame] | 422 | 0, SK_ARRAY_COUNT(gModes) - 1)]; |
| 423 | |
| 424 | std::vector<sk_sp<sksg::GeometryNode>> inputs; |
| 425 | if (mode == Mode::kMerged) { |
| 426 | inputs.push_back(sksg::Merge::Make(std::move(geos), sksg::Merge::Mode::kMerge)); |
| 427 | } else { |
| 428 | inputs = std::move(geos); |
| 429 | } |
| 430 | |
| 431 | std::vector<sk_sp<sksg::GeometryNode>> trimmed; |
| 432 | trimmed.reserve(inputs.size()); |
| 433 | for (const auto& i : inputs) { |
Florin Malita | 69526b0 | 2018-03-22 12:20:02 -0400 | [diff] [blame] | 434 | const auto trimEffect = sksg::TrimEffect::Make(i); |
| 435 | trimmed.push_back(trimEffect); |
| 436 | |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 437 | const auto adapter = sk_make_sp<TrimEffectAdapter>(std::move(trimEffect)); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 438 | BindProperty<ScalarValue>(jtrim["s"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 439 | [adapter](const ScalarValue& s) { |
| 440 | adapter->setStart(s); |
Florin Malita | 51b8c89 | 2018-01-07 08:54:24 -0500 | [diff] [blame] | 441 | }); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 442 | BindProperty<ScalarValue>(jtrim["e"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 443 | [adapter](const ScalarValue& e) { |
| 444 | adapter->setEnd(e); |
Florin Malita | 51b8c89 | 2018-01-07 08:54:24 -0500 | [diff] [blame] | 445 | }); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 446 | BindProperty<ScalarValue>(jtrim["o"], &ctx->fAnimators, |
Florin Malita | a6e30f7 | 2018-03-23 13:41:58 -0400 | [diff] [blame] | 447 | [adapter](const ScalarValue& o) { |
| 448 | adapter->setOffset(o); |
Florin Malita | 51b8c89 | 2018-01-07 08:54:24 -0500 | [diff] [blame] | 449 | }); |
| 450 | } |
| 451 | |
| 452 | return trimmed; |
| 453 | } |
| 454 | |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 455 | using GeometryAttacherT = sk_sp<sksg::GeometryNode> (*)(const Json::Value&, AttachContext*); |
| 456 | static constexpr GeometryAttacherT gGeometryAttachers[] = { |
| 457 | AttachPathGeometry, |
Florin Malita | 2e1d7e2 | 2018-01-02 10:40:00 -0500 | [diff] [blame] | 458 | AttachRRectGeometry, |
Florin Malita | fbc13f1 | 2018-01-04 10:26:35 -0500 | [diff] [blame] | 459 | AttachEllipseGeometry, |
Florin Malita | 02a32b0 | 2018-01-04 11:27:09 -0500 | [diff] [blame] | 460 | AttachPolystarGeometry, |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 461 | }; |
| 462 | |
| 463 | using PaintAttacherT = sk_sp<sksg::PaintNode> (*)(const Json::Value&, AttachContext*); |
| 464 | static constexpr PaintAttacherT gPaintAttachers[] = { |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 465 | AttachColorFill, |
| 466 | AttachColorStroke, |
| 467 | AttachGradientFill, |
| 468 | AttachGradientStroke, |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 469 | }; |
| 470 | |
Florin Malita | e6345d9 | 2018-01-03 23:37:54 -0500 | [diff] [blame] | 471 | using GeometryEffectAttacherT = |
| 472 | std::vector<sk_sp<sksg::GeometryNode>> (*)(const Json::Value&, |
| 473 | AttachContext*, |
| 474 | std::vector<sk_sp<sksg::GeometryNode>>&&); |
| 475 | static constexpr GeometryEffectAttacherT gGeometryEffectAttachers[] = { |
| 476 | AttachMergeGeometryEffect, |
Florin Malita | 51b8c89 | 2018-01-07 08:54:24 -0500 | [diff] [blame] | 477 | AttachTrimGeometryEffect, |
Florin Malita | e6345d9 | 2018-01-03 23:37:54 -0500 | [diff] [blame] | 478 | }; |
| 479 | |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 480 | enum class ShapeType { |
| 481 | kGeometry, |
Florin Malita | e6345d9 | 2018-01-03 23:37:54 -0500 | [diff] [blame] | 482 | kGeometryEffect, |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 483 | kPaint, |
| 484 | kGroup, |
Florin Malita | dacc02b | 2017-12-31 09:12:31 -0500 | [diff] [blame] | 485 | kTransform, |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 486 | }; |
| 487 | |
| 488 | struct ShapeInfo { |
| 489 | const char* fTypeString; |
| 490 | ShapeType fShapeType; |
| 491 | uint32_t fAttacherIndex; // index into respective attacher tables |
| 492 | }; |
| 493 | |
| 494 | const ShapeInfo* FindShapeInfo(const Json::Value& shape) { |
| 495 | static constexpr ShapeInfo gShapeInfo[] = { |
Florin Malita | fbc13f1 | 2018-01-04 10:26:35 -0500 | [diff] [blame] | 496 | { "el", ShapeType::kGeometry , 2 }, // ellipse -> AttachEllipseGeometry |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 497 | { "fl", ShapeType::kPaint , 0 }, // fill -> AttachColorFill |
| 498 | { "gf", ShapeType::kPaint , 2 }, // gfill -> AttachGradientFill |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 499 | { "gr", ShapeType::kGroup , 0 }, // group -> Inline handler |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 500 | { "gs", ShapeType::kPaint , 3 }, // gstroke -> AttachGradientStroke |
Florin Malita | e6345d9 | 2018-01-03 23:37:54 -0500 | [diff] [blame] | 501 | { "mm", ShapeType::kGeometryEffect, 0 }, // merge -> AttachMergeGeometryEffect |
Florin Malita | 02a32b0 | 2018-01-04 11:27:09 -0500 | [diff] [blame] | 502 | { "rc", ShapeType::kGeometry , 1 }, // rrect -> AttachRRectGeometry |
Florin Malita | e6345d9 | 2018-01-03 23:37:54 -0500 | [diff] [blame] | 503 | { "sh", ShapeType::kGeometry , 0 }, // shape -> AttachPathGeometry |
Florin Malita | 02a32b0 | 2018-01-04 11:27:09 -0500 | [diff] [blame] | 504 | { "sr", ShapeType::kGeometry , 3 }, // polystar -> AttachPolyStarGeometry |
Florin Malita | 6aaee59 | 2018-01-12 12:25:09 -0500 | [diff] [blame] | 505 | { "st", ShapeType::kPaint , 1 }, // stroke -> AttachColorStroke |
Florin Malita | 51b8c89 | 2018-01-07 08:54:24 -0500 | [diff] [blame] | 506 | { "tm", ShapeType::kGeometryEffect, 1 }, // trim -> AttachTrimGeometryEffect |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 507 | { "tr", ShapeType::kTransform , 0 }, // transform -> Inline handler |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 508 | }; |
| 509 | |
| 510 | if (!shape.isObject()) |
| 511 | return nullptr; |
| 512 | |
| 513 | const auto& type = shape["ty"]; |
| 514 | if (!type.isString()) |
| 515 | return nullptr; |
| 516 | |
| 517 | const auto* info = bsearch(type.asCString(), |
| 518 | gShapeInfo, |
| 519 | SK_ARRAY_COUNT(gShapeInfo), |
| 520 | sizeof(ShapeInfo), |
| 521 | [](const void* key, const void* info) { |
| 522 | return strcmp(static_cast<const char*>(key), |
| 523 | static_cast<const ShapeInfo*>(info)->fTypeString); |
| 524 | }); |
| 525 | |
| 526 | return static_cast<const ShapeInfo*>(info); |
| 527 | } |
| 528 | |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 529 | struct GeometryEffectRec { |
| 530 | const Json::Value& fJson; |
| 531 | GeometryEffectAttacherT fAttach; |
| 532 | }; |
| 533 | |
Florin Malita | ca4439f | 2018-01-23 10:31:59 -0500 | [diff] [blame] | 534 | struct AttachShapeContext { |
| 535 | AttachShapeContext(AttachContext* ctx, |
| 536 | std::vector<sk_sp<sksg::GeometryNode>>* geos, |
| 537 | std::vector<GeometryEffectRec>* effects, |
| 538 | size_t committedAnimators) |
| 539 | : fCtx(ctx) |
| 540 | , fGeometryStack(geos) |
| 541 | , fGeometryEffectStack(effects) |
| 542 | , fCommittedAnimators(committedAnimators) {} |
| 543 | |
| 544 | AttachContext* fCtx; |
| 545 | std::vector<sk_sp<sksg::GeometryNode>>* fGeometryStack; |
| 546 | std::vector<GeometryEffectRec>* fGeometryEffectStack; |
| 547 | size_t fCommittedAnimators; |
| 548 | }; |
| 549 | |
| 550 | sk_sp<sksg::RenderNode> AttachShape(const Json::Value& jshape, AttachShapeContext* shapeCtx) { |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 551 | if (!jshape.isArray()) |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 552 | return nullptr; |
| 553 | |
Florin Malita | ca4439f | 2018-01-23 10:31:59 -0500 | [diff] [blame] | 554 | SkDEBUGCODE(const auto initialGeometryEffects = shapeCtx->fGeometryEffectStack->size();) |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 555 | |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 556 | sk_sp<sksg::Group> shape_group = sksg::Group::Make(); |
| 557 | sk_sp<sksg::RenderNode> shape_wrapper = shape_group; |
| 558 | sk_sp<sksg::Matrix> shape_matrix; |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 559 | |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 560 | struct ShapeRec { |
| 561 | const Json::Value& fJson; |
| 562 | const ShapeInfo& fInfo; |
| 563 | }; |
| 564 | |
| 565 | // First pass (bottom->top): |
| 566 | // |
| 567 | // * pick up the group transform and opacity |
| 568 | // * push local geometry effects onto the stack |
| 569 | // * store recs for next pass |
| 570 | // |
| 571 | std::vector<ShapeRec> recs; |
| 572 | for (Json::ArrayIndex i = 0; i < jshape.size(); ++i) { |
| 573 | const auto& s = jshape[jshape.size() - 1 - i]; |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 574 | const auto* info = FindShapeInfo(s); |
| 575 | if (!info) { |
| 576 | LogFail(s.isObject() ? s["ty"] : s, "Unknown shape"); |
| 577 | continue; |
| 578 | } |
| 579 | |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 580 | recs.push_back({ s, *info }); |
| 581 | |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 582 | switch (info->fShapeType) { |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 583 | case ShapeType::kTransform: |
Florin Malita | ca4439f | 2018-01-23 10:31:59 -0500 | [diff] [blame] | 584 | if ((shape_matrix = AttachMatrix(s, shapeCtx->fCtx, nullptr))) { |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 585 | shape_wrapper = sksg::Transform::Make(std::move(shape_wrapper), shape_matrix); |
| 586 | } |
Florin Malita | ca4439f | 2018-01-23 10:31:59 -0500 | [diff] [blame] | 587 | shape_wrapper = AttachOpacity(s, shapeCtx->fCtx, std::move(shape_wrapper)); |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 588 | break; |
| 589 | case ShapeType::kGeometryEffect: |
| 590 | SkASSERT(info->fAttacherIndex < SK_ARRAY_COUNT(gGeometryEffectAttachers)); |
Florin Malita | ca4439f | 2018-01-23 10:31:59 -0500 | [diff] [blame] | 591 | shapeCtx->fGeometryEffectStack->push_back( |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 592 | { s, gGeometryEffectAttachers[info->fAttacherIndex] }); |
| 593 | break; |
| 594 | default: |
| 595 | break; |
| 596 | } |
| 597 | } |
| 598 | |
| 599 | // Second pass (top -> bottom, after 2x reverse): |
| 600 | // |
| 601 | // * track local geometry |
| 602 | // * emit local paints |
| 603 | // |
| 604 | std::vector<sk_sp<sksg::GeometryNode>> geos; |
| 605 | std::vector<sk_sp<sksg::RenderNode >> draws; |
| 606 | for (auto rec = recs.rbegin(); rec != recs.rend(); ++rec) { |
| 607 | switch (rec->fInfo.fShapeType) { |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 608 | case ShapeType::kGeometry: { |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 609 | SkASSERT(rec->fInfo.fAttacherIndex < SK_ARRAY_COUNT(gGeometryAttachers)); |
Florin Malita | ca4439f | 2018-01-23 10:31:59 -0500 | [diff] [blame] | 610 | if (auto geo = gGeometryAttachers[rec->fInfo.fAttacherIndex](rec->fJson, |
| 611 | shapeCtx->fCtx)) { |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 612 | geos.push_back(std::move(geo)); |
| 613 | } |
| 614 | } break; |
Florin Malita | e6345d9 | 2018-01-03 23:37:54 -0500 | [diff] [blame] | 615 | case ShapeType::kGeometryEffect: { |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 616 | // Apply the current effect and pop from the stack. |
| 617 | SkASSERT(rec->fInfo.fAttacherIndex < SK_ARRAY_COUNT(gGeometryEffectAttachers)); |
Florin Malita | ee6de4b | 2018-01-21 11:13:17 -0500 | [diff] [blame] | 618 | if (!geos.empty()) { |
| 619 | geos = gGeometryEffectAttachers[rec->fInfo.fAttacherIndex](rec->fJson, |
Florin Malita | ca4439f | 2018-01-23 10:31:59 -0500 | [diff] [blame] | 620 | shapeCtx->fCtx, |
Florin Malita | ee6de4b | 2018-01-21 11:13:17 -0500 | [diff] [blame] | 621 | std::move(geos)); |
| 622 | } |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 623 | |
Florin Malita | ca4439f | 2018-01-23 10:31:59 -0500 | [diff] [blame] | 624 | SkASSERT(shapeCtx->fGeometryEffectStack->back().fJson == rec->fJson); |
| 625 | SkASSERT(shapeCtx->fGeometryEffectStack->back().fAttach == |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 626 | gGeometryEffectAttachers[rec->fInfo.fAttacherIndex]); |
Florin Malita | ca4439f | 2018-01-23 10:31:59 -0500 | [diff] [blame] | 627 | shapeCtx->fGeometryEffectStack->pop_back(); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 628 | } break; |
| 629 | case ShapeType::kGroup: { |
Florin Malita | ca4439f | 2018-01-23 10:31:59 -0500 | [diff] [blame] | 630 | AttachShapeContext groupShapeCtx(shapeCtx->fCtx, |
| 631 | &geos, |
| 632 | shapeCtx->fGeometryEffectStack, |
| 633 | shapeCtx->fCommittedAnimators); |
| 634 | if (auto subgroup = AttachShape(rec->fJson["it"], &groupShapeCtx)) { |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 635 | draws.push_back(std::move(subgroup)); |
Florin Malita | ca4439f | 2018-01-23 10:31:59 -0500 | [diff] [blame] | 636 | SkASSERT(groupShapeCtx.fCommittedAnimators >= shapeCtx->fCommittedAnimators); |
| 637 | shapeCtx->fCommittedAnimators = groupShapeCtx.fCommittedAnimators; |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 638 | } |
| 639 | } break; |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 640 | case ShapeType::kPaint: { |
| 641 | SkASSERT(rec->fInfo.fAttacherIndex < SK_ARRAY_COUNT(gPaintAttachers)); |
Florin Malita | ca4439f | 2018-01-23 10:31:59 -0500 | [diff] [blame] | 642 | auto paint = gPaintAttachers[rec->fInfo.fAttacherIndex](rec->fJson, shapeCtx->fCtx); |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 643 | if (!paint || geos.empty()) |
| 644 | break; |
| 645 | |
| 646 | auto drawGeos = geos; |
| 647 | |
| 648 | // Apply all pending effects from the stack. |
Florin Malita | ca4439f | 2018-01-23 10:31:59 -0500 | [diff] [blame] | 649 | for (auto it = shapeCtx->fGeometryEffectStack->rbegin(); |
| 650 | it != shapeCtx->fGeometryEffectStack->rend(); ++it) { |
| 651 | drawGeos = it->fAttach(it->fJson, shapeCtx->fCtx, std::move(drawGeos)); |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 652 | } |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 653 | |
| 654 | // If we still have multiple geos, reduce using 'merge'. |
| 655 | auto geo = drawGeos.size() > 1 |
| 656 | ? sksg::Merge::Make(std::move(drawGeos), sksg::Merge::Mode::kMerge) |
| 657 | : drawGeos[0]; |
| 658 | |
| 659 | SkASSERT(geo); |
| 660 | draws.push_back(sksg::Draw::Make(std::move(geo), std::move(paint))); |
Florin Malita | ca4439f | 2018-01-23 10:31:59 -0500 | [diff] [blame] | 661 | shapeCtx->fCommittedAnimators = shapeCtx->fCtx->fAnimators.size(); |
Florin Malita | dacc02b | 2017-12-31 09:12:31 -0500 | [diff] [blame] | 662 | } break; |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 663 | default: |
| 664 | break; |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 665 | } |
| 666 | } |
| 667 | |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 668 | // By now we should have popped all local geometry effects. |
Florin Malita | ca4439f | 2018-01-23 10:31:59 -0500 | [diff] [blame] | 669 | SkASSERT(shapeCtx->fGeometryEffectStack->size() == initialGeometryEffects); |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 670 | |
| 671 | // Push transformed local geometries to parent list, for subsequent paints. |
| 672 | for (const auto& geo : geos) { |
Florin Malita | ca4439f | 2018-01-23 10:31:59 -0500 | [diff] [blame] | 673 | shapeCtx->fGeometryStack->push_back(shape_matrix |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 674 | ? sksg::GeometryTransform::Make(std::move(geo), shape_matrix) |
| 675 | : std::move(geo)); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 676 | } |
| 677 | |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 678 | // Emit local draws reversed (bottom->top, per spec). |
| 679 | for (auto it = draws.rbegin(); it != draws.rend(); ++it) { |
| 680 | shape_group->addChild(std::move(*it)); |
Florin Malita | 2a8275b | 2018-01-02 12:52:43 -0500 | [diff] [blame] | 681 | } |
| 682 | |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 683 | return draws.empty() ? nullptr : shape_wrapper; |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 684 | } |
| 685 | |
Florin Malita | 1022f74 | 2018-02-23 11:10:22 -0500 | [diff] [blame] | 686 | sk_sp<sksg::RenderNode> AttachNestedAnimation(const char* path, AttachContext* ctx) { |
| 687 | class SkottieSGAdapter final : public sksg::RenderNode { |
| 688 | public: |
| 689 | explicit SkottieSGAdapter(sk_sp<Animation> animation) |
| 690 | : fAnimation(std::move(animation)) { |
| 691 | SkASSERT(fAnimation); |
| 692 | } |
| 693 | |
| 694 | protected: |
| 695 | SkRect onRevalidate(sksg::InvalidationController*, const SkMatrix&) override { |
| 696 | return SkRect::MakeSize(fAnimation->size()); |
| 697 | } |
| 698 | |
| 699 | void onRender(SkCanvas* canvas) const override { |
| 700 | fAnimation->render(canvas); |
| 701 | } |
| 702 | |
| 703 | private: |
| 704 | const sk_sp<Animation> fAnimation; |
| 705 | }; |
| 706 | |
| 707 | class SkottieAnimatorAdapter final : public sksg::Animator { |
| 708 | public: |
| 709 | SkottieAnimatorAdapter(sk_sp<Animation> animation, float frameRate) |
| 710 | : fAnimation(std::move(animation)) |
| 711 | , fFrameRate(frameRate) { |
| 712 | SkASSERT(fAnimation); |
| 713 | SkASSERT(fFrameRate > 0); |
| 714 | } |
| 715 | |
| 716 | protected: |
| 717 | void onTick(float t) { |
| 718 | // map back from frame # to ms. |
| 719 | const auto t_ms = t * 1000 / fFrameRate; |
| 720 | fAnimation->animationTick(t_ms); |
| 721 | } |
| 722 | |
| 723 | private: |
| 724 | const sk_sp<Animation> fAnimation; |
| 725 | const float fFrameRate; |
| 726 | }; |
| 727 | |
| 728 | const auto resStream = ctx->fResources.openStream(path); |
| 729 | if (!resStream || !resStream->hasLength()) { |
| 730 | LOG("!! Could not open: %s\n", path); |
| 731 | return nullptr; |
| 732 | } |
| 733 | |
| 734 | auto animation = Animation::Make(resStream.get(), ctx->fResources); |
| 735 | if (!animation) { |
| 736 | LOG("!! Could not load nested animation: %s\n", path); |
| 737 | return nullptr; |
| 738 | } |
| 739 | |
| 740 | ctx->fAnimators.push_back(skstd::make_unique<SkottieAnimatorAdapter>(animation, |
| 741 | ctx->fFrameRate)); |
| 742 | |
| 743 | return sk_make_sp<SkottieSGAdapter>(std::move(animation)); |
| 744 | } |
| 745 | |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 746 | sk_sp<sksg::RenderNode> AttachCompLayer(const Json::Value& jlayer, AttachContext* ctx, |
| 747 | float* time_bias, float* time_scale) { |
| 748 | SkASSERT(jlayer.isObject()); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 749 | |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 750 | SkString refId; |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 751 | if (!Parse(jlayer["refId"], &refId) || refId.isEmpty()) { |
Florin Malita | dd22cf96 | 2018-01-29 15:42:01 +0000 | [diff] [blame] | 752 | LOG("!! Comp layer missing refId\n"); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 753 | return nullptr; |
| 754 | } |
| 755 | |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 756 | const auto start_time = ParseDefault(jlayer["st"], 0.0f), |
| 757 | stretch_time = ParseDefault(jlayer["sr"], 1.0f); |
| 758 | |
| 759 | *time_bias = -start_time; |
| 760 | *time_scale = 1 / stretch_time; |
| 761 | if (SkScalarIsNaN(*time_scale)) { |
| 762 | *time_scale = 1; |
| 763 | } |
| 764 | |
Florin Malita | 1022f74 | 2018-02-23 11:10:22 -0500 | [diff] [blame] | 765 | if (refId.startsWith("$")) { |
| 766 | return AttachNestedAnimation(refId.c_str() + 1, ctx); |
| 767 | } |
| 768 | |
| 769 | const auto* comp = ctx->fAssets.find(refId); |
| 770 | if (!comp) { |
| 771 | LOG("!! Pre-comp not found: '%s'\n", refId.c_str()); |
| 772 | return nullptr; |
| 773 | } |
| 774 | |
Florin Malita | dd22cf96 | 2018-01-29 15:42:01 +0000 | [diff] [blame] | 775 | // TODO: cycle detection |
| 776 | return AttachComposition(**comp, ctx); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 777 | } |
| 778 | |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 779 | sk_sp<sksg::RenderNode> AttachSolidLayer(const Json::Value& jlayer, AttachContext*, |
| 780 | float*, float*) { |
Florin Malita | 0e66fba | 2018-01-09 17:10:18 -0500 | [diff] [blame] | 781 | SkASSERT(jlayer.isObject()); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 782 | |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 783 | const auto size = SkSize::Make(ParseDefault(jlayer["sw"], 0.0f), |
| 784 | ParseDefault(jlayer["sh"], 0.0f)); |
| 785 | const auto hex = ParseDefault(jlayer["sc"], SkString()); |
Florin Malita | 0e66fba | 2018-01-09 17:10:18 -0500 | [diff] [blame] | 786 | uint32_t c; |
| 787 | if (size.isEmpty() || |
| 788 | !hex.startsWith("#") || |
| 789 | !SkParse::FindHex(hex.c_str() + 1, &c)) { |
| 790 | LogFail(jlayer, "Could not parse solid layer"); |
| 791 | return nullptr; |
| 792 | } |
| 793 | |
| 794 | const SkColor color = 0xff000000 | c; |
| 795 | |
| 796 | return sksg::Draw::Make(sksg::Rect::Make(SkRect::MakeSize(size)), |
| 797 | sksg::Color::Make(color)); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 798 | } |
| 799 | |
Florin Malita | 4932807 | 2018-01-08 12:51:12 -0500 | [diff] [blame] | 800 | sk_sp<sksg::RenderNode> AttachImageAsset(const Json::Value& jimage, AttachContext* ctx) { |
| 801 | SkASSERT(jimage.isObject()); |
| 802 | |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 803 | const auto name = ParseDefault(jimage["p"], SkString()), |
| 804 | path = ParseDefault(jimage["u"], SkString()); |
Florin Malita | 4932807 | 2018-01-08 12:51:12 -0500 | [diff] [blame] | 805 | if (name.isEmpty()) |
| 806 | return nullptr; |
| 807 | |
| 808 | // TODO: plumb resource paths explicitly to ResourceProvider? |
| 809 | const auto resName = path.isEmpty() ? name : SkOSPath::Join(path.c_str(), name.c_str()); |
| 810 | const auto resStream = ctx->fResources.openStream(resName.c_str()); |
| 811 | if (!resStream || !resStream->hasLength()) { |
| 812 | LOG("!! Could not load image resource: %s\n", resName.c_str()); |
| 813 | return nullptr; |
| 814 | } |
| 815 | |
| 816 | // TODO: non-intrisic image sizing |
| 817 | return sksg::Image::Make( |
| 818 | SkImage::MakeFromEncoded(SkData::MakeFromStream(resStream.get(), resStream->getLength()))); |
| 819 | } |
| 820 | |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 821 | sk_sp<sksg::RenderNode> AttachImageLayer(const Json::Value& layer, AttachContext* ctx, |
| 822 | float*, float*) { |
Florin Malita | dd22cf96 | 2018-01-29 15:42:01 +0000 | [diff] [blame] | 823 | SkASSERT(layer.isObject()); |
| 824 | |
| 825 | SkString refId; |
| 826 | if (!Parse(layer["refId"], &refId) || refId.isEmpty()) { |
| 827 | LOG("!! Image layer missing refId\n"); |
| 828 | return nullptr; |
| 829 | } |
| 830 | |
| 831 | const auto* jimage = ctx->fAssets.find(refId); |
| 832 | if (!jimage) { |
| 833 | LOG("!! Image asset not found: '%s'\n", refId.c_str()); |
| 834 | return nullptr; |
| 835 | } |
| 836 | |
| 837 | return AttachImageAsset(**jimage, ctx); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 838 | } |
| 839 | |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 840 | sk_sp<sksg::RenderNode> AttachNullLayer(const Json::Value& layer, AttachContext*, float*, float*) { |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 841 | SkASSERT(layer.isObject()); |
| 842 | |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 843 | // Null layers are used solely to drive dependent transforms, |
| 844 | // but we use free-floating sksg::Matrices for that purpose. |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 845 | return nullptr; |
| 846 | } |
| 847 | |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 848 | sk_sp<sksg::RenderNode> AttachShapeLayer(const Json::Value& layer, AttachContext* ctx, |
| 849 | float*, float*) { |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 850 | SkASSERT(layer.isObject()); |
| 851 | |
Florin Malita | 16d0ad0 | 2018-01-19 15:07:29 -0500 | [diff] [blame] | 852 | std::vector<sk_sp<sksg::GeometryNode>> geometryStack; |
| 853 | std::vector<GeometryEffectRec> geometryEffectStack; |
Florin Malita | ca4439f | 2018-01-23 10:31:59 -0500 | [diff] [blame] | 854 | AttachShapeContext shapeCtx(ctx, &geometryStack, &geometryEffectStack, ctx->fAnimators.size()); |
| 855 | auto shapeNode = AttachShape(layer["shapes"], &shapeCtx); |
| 856 | |
| 857 | // Trim uncommitted animators: AttachShape consumes effects on the fly, and greedily attaches |
| 858 | // geometries => at the end, we can end up with unused geometries, which are nevertheless alive |
| 859 | // due to attached animators. To avoid this, we track committed animators and discard the |
| 860 | // orphans here. |
| 861 | SkASSERT(shapeCtx.fCommittedAnimators <= ctx->fAnimators.size()); |
| 862 | ctx->fAnimators.resize(shapeCtx.fCommittedAnimators); |
| 863 | |
| 864 | return shapeNode; |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 865 | } |
| 866 | |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 867 | sk_sp<sksg::RenderNode> AttachTextLayer(const Json::Value& layer, AttachContext*, float*, float*) { |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 868 | SkASSERT(layer.isObject()); |
| 869 | |
| 870 | LOG("?? Text layer stub\n"); |
| 871 | return nullptr; |
| 872 | } |
| 873 | |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 874 | struct AttachLayerContext { |
| 875 | AttachLayerContext(const Json::Value& jlayers, AttachContext* ctx) |
| 876 | : fLayerList(jlayers), fCtx(ctx) {} |
| 877 | |
Florin Malita | 4a49068 | 2018-01-28 14:27:51 -0500 | [diff] [blame] | 878 | const Json::Value& fLayerList; |
| 879 | AttachContext* fCtx; |
| 880 | SkTHashMap<int, sk_sp<sksg::Matrix>> fLayerMatrixMap; |
| 881 | sk_sp<sksg::RenderNode> fCurrentMatte; |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 882 | |
Florin Malita | 4a49068 | 2018-01-28 14:27:51 -0500 | [diff] [blame] | 883 | sk_sp<sksg::Matrix> AttachParentLayerMatrix(const Json::Value& jlayer) { |
| 884 | SkASSERT(jlayer.isObject()); |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 885 | SkASSERT(fLayerList.isArray()); |
| 886 | |
Florin Malita | 4a49068 | 2018-01-28 14:27:51 -0500 | [diff] [blame] | 887 | const auto parent_index = ParseDefault(jlayer["parent"], -1); |
| 888 | if (parent_index < 0) |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 889 | return nullptr; |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 890 | |
Florin Malita | 4a49068 | 2018-01-28 14:27:51 -0500 | [diff] [blame] | 891 | if (auto* m = fLayerMatrixMap.find(parent_index)) |
| 892 | return *m; |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 893 | |
| 894 | for (const auto& l : fLayerList) { |
| 895 | if (!l.isObject()) { |
| 896 | continue; |
| 897 | } |
| 898 | |
Florin Malita | 4a49068 | 2018-01-28 14:27:51 -0500 | [diff] [blame] | 899 | if (ParseDefault(l["ind"], -1) == parent_index) { |
| 900 | return this->AttachLayerMatrix(l); |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 901 | } |
| 902 | } |
| 903 | |
| 904 | return nullptr; |
| 905 | } |
| 906 | |
| 907 | sk_sp<sksg::Matrix> AttachLayerMatrix(const Json::Value& jlayer) { |
| 908 | SkASSERT(jlayer.isObject()); |
| 909 | |
Florin Malita | 4a49068 | 2018-01-28 14:27:51 -0500 | [diff] [blame] | 910 | const auto layer_index = ParseDefault(jlayer["ind"], -1); |
| 911 | if (layer_index < 0) |
| 912 | return nullptr; |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 913 | |
Florin Malita | 4a49068 | 2018-01-28 14:27:51 -0500 | [diff] [blame] | 914 | if (auto* m = fLayerMatrixMap.find(layer_index)) |
| 915 | return *m; |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 916 | |
Florin Malita | 4a49068 | 2018-01-28 14:27:51 -0500 | [diff] [blame] | 917 | // Add a stub entry to break recursion cycles. |
| 918 | fLayerMatrixMap.set(layer_index, nullptr); |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 919 | |
Florin Malita | 4a49068 | 2018-01-28 14:27:51 -0500 | [diff] [blame] | 920 | auto parent_matrix = this->AttachParentLayerMatrix(jlayer); |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 921 | |
Florin Malita | 4a49068 | 2018-01-28 14:27:51 -0500 | [diff] [blame] | 922 | return *fLayerMatrixMap.set(layer_index, |
| 923 | AttachMatrix(jlayer["ks"], |
| 924 | fCtx, |
| 925 | this->AttachParentLayerMatrix(jlayer))); |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 926 | } |
| 927 | }; |
| 928 | |
Florin Malita | 25366fa | 2018-01-23 13:37:59 -0500 | [diff] [blame] | 929 | SkBlendMode MaskBlendMode(char mode) { |
| 930 | switch (mode) { |
| 931 | case 'a': return SkBlendMode::kSrcOver; // Additive |
| 932 | case 's': return SkBlendMode::kExclusion; // Subtract |
| 933 | case 'i': return SkBlendMode::kDstIn; // Intersect |
| 934 | case 'l': return SkBlendMode::kLighten; // Lighten |
| 935 | case 'd': return SkBlendMode::kDarken; // Darken |
| 936 | case 'f': return SkBlendMode::kDifference; // Difference |
| 937 | default: break; |
| 938 | } |
| 939 | |
| 940 | return SkBlendMode::kSrcOver; |
| 941 | } |
| 942 | |
| 943 | sk_sp<sksg::RenderNode> AttachMask(const Json::Value& jmask, |
| 944 | AttachContext* ctx, |
| 945 | sk_sp<sksg::RenderNode> childNode) { |
| 946 | if (!jmask.isArray()) |
| 947 | return childNode; |
| 948 | |
Florin Malita | 0c51c21 | 2018-04-26 14:13:14 -0400 | [diff] [blame] | 949 | struct MaskRecord { |
| 950 | sk_sp<sksg::Path> mask_path; |
| 951 | sk_sp<sksg::Color> mask_paint; |
| 952 | }; |
| 953 | |
| 954 | SkSTArray<4, MaskRecord, true> mask_stack; |
| 955 | |
| 956 | bool opaque_mask = true; |
Florin Malita | 25366fa | 2018-01-23 13:37:59 -0500 | [diff] [blame] | 957 | |
| 958 | for (const auto& m : jmask) { |
| 959 | if (!m.isObject()) |
| 960 | continue; |
| 961 | |
Florin Malita | 25366fa | 2018-01-23 13:37:59 -0500 | [diff] [blame] | 962 | auto mask_path = AttachPath(m["pt"], ctx); |
| 963 | if (!mask_path) { |
| 964 | LogFail(m, "Could not parse mask path"); |
| 965 | continue; |
| 966 | } |
| 967 | |
Florin Malita | cd05b19 | 2018-04-25 21:43:03 -0400 | [diff] [blame] | 968 | mask_path->setFillType(ParseDefault(m["inv"], false) |
| 969 | ? SkPath::kInverseWinding_FillType |
| 970 | : SkPath::kWinding_FillType); |
| 971 | |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 972 | SkString mode; |
| 973 | if (!Parse(m["mode"], &mode) || |
| 974 | mode.size() != 1 || |
| 975 | !strcmp(mode.c_str(), "n")) { // "None" masks have no effect. |
Florin Malita | 25366fa | 2018-01-23 13:37:59 -0500 | [diff] [blame] | 976 | continue; |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 977 | } |
Florin Malita | 25366fa | 2018-01-23 13:37:59 -0500 | [diff] [blame] | 978 | |
| 979 | auto mask_paint = sksg::Color::Make(SK_ColorBLACK); |
Florin Malita | aa71c89 | 2018-01-30 09:27:01 -0500 | [diff] [blame] | 980 | mask_paint->setAntiAlias(true); |
Florin Malita | 25366fa | 2018-01-23 13:37:59 -0500 | [diff] [blame] | 981 | mask_paint->setBlendMode(MaskBlendMode(mode.c_str()[0])); |
Florin Malita | 0c51c21 | 2018-04-26 14:13:14 -0400 | [diff] [blame] | 982 | |
| 983 | const auto animator_count = ctx->fAnimators.size(); |
Florin Malita | fc807c8 | 2018-01-25 22:35:09 -0500 | [diff] [blame] | 984 | BindProperty<ScalarValue>(m["o"], &ctx->fAnimators, |
Florin Malita | 2518a0a | 2018-01-24 18:29:00 -0500 | [diff] [blame] | 985 | [mask_paint](const ScalarValue& o) { mask_paint->setOpacity(o * 0.01f); }); |
Florin Malita | 25366fa | 2018-01-23 13:37:59 -0500 | [diff] [blame] | 986 | |
Florin Malita | 0c51c21 | 2018-04-26 14:13:14 -0400 | [diff] [blame] | 987 | opaque_mask &= (animator_count == ctx->fAnimators.size() && mask_paint->getOpacity() >= 1); |
| 988 | |
| 989 | mask_stack.push_back({mask_path, mask_paint}); |
Florin Malita | 25366fa | 2018-01-23 13:37:59 -0500 | [diff] [blame] | 990 | } |
| 991 | |
Florin Malita | 0c51c21 | 2018-04-26 14:13:14 -0400 | [diff] [blame] | 992 | if (mask_stack.empty()) |
| 993 | return childNode; |
| 994 | |
| 995 | if (mask_stack.count() == 1 && opaque_mask) { |
| 996 | // Single opaque mask => clip path. |
| 997 | return sksg::ClipEffect::Make(std::move(childNode), |
| 998 | std::move(mask_stack.front().mask_path), |
| 999 | true); |
| 1000 | } |
| 1001 | |
| 1002 | auto mask_group = sksg::Group::Make(); |
| 1003 | for (const auto& rec : mask_stack) { |
| 1004 | mask_group->addChild(sksg::Draw::Make(std::move(rec.mask_path), |
| 1005 | std::move(rec.mask_paint))); |
| 1006 | |
| 1007 | } |
| 1008 | |
| 1009 | return sksg::MaskEffect::Make(std::move(childNode), std::move(mask_group)); |
Florin Malita | 25366fa | 2018-01-23 13:37:59 -0500 | [diff] [blame] | 1010 | } |
| 1011 | |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 1012 | sk_sp<sksg::RenderNode> AttachLayer(const Json::Value& jlayer, |
| 1013 | AttachLayerContext* layerCtx) { |
| 1014 | if (!jlayer.isObject()) |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1015 | return nullptr; |
| 1016 | |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 1017 | using LayerAttacher = sk_sp<sksg::RenderNode> (*)(const Json::Value&, AttachContext*, |
| 1018 | float* time_bias, float* time_scale); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1019 | static constexpr LayerAttacher gLayerAttachers[] = { |
| 1020 | AttachCompLayer, // 'ty': 0 |
| 1021 | AttachSolidLayer, // 'ty': 1 |
| 1022 | AttachImageLayer, // 'ty': 2 |
| 1023 | AttachNullLayer, // 'ty': 3 |
| 1024 | AttachShapeLayer, // 'ty': 4 |
| 1025 | AttachTextLayer, // 'ty': 5 |
| 1026 | }; |
| 1027 | |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 1028 | int type = ParseDefault(jlayer["ty"], -1); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1029 | if (type < 0 || type >= SkTo<int>(SK_ARRAY_COUNT(gLayerAttachers))) { |
| 1030 | return nullptr; |
| 1031 | } |
| 1032 | |
Florin Malita | cca86f3 | 2018-01-29 10:49:49 -0500 | [diff] [blame] | 1033 | sksg::AnimatorList layer_animators; |
Florin Malita | 1022f74 | 2018-02-23 11:10:22 -0500 | [diff] [blame] | 1034 | AttachContext local_ctx = { layerCtx->fCtx->fResources, |
| 1035 | layerCtx->fCtx->fAssets, |
| 1036 | layerCtx->fCtx->fFrameRate, |
| 1037 | layer_animators}; |
Florin Malita | cca86f3 | 2018-01-29 10:49:49 -0500 | [diff] [blame] | 1038 | |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 1039 | // Layer attachers may adjust these. |
| 1040 | float time_bias = 0, |
| 1041 | time_scale = 1; |
| 1042 | |
Florin Malita | 71cba8f | 2018-01-09 08:07:14 -0500 | [diff] [blame] | 1043 | // Layer content. |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 1044 | auto layer = gLayerAttachers[type](jlayer, &local_ctx, &time_bias, &time_scale); |
Florin Malita | 38ea40e | 2018-01-29 16:31:14 -0500 | [diff] [blame] | 1045 | |
| 1046 | // Clip layers with explicit dimensions. |
| 1047 | float w, h; |
| 1048 | if (Parse(jlayer["w"], &w) && Parse(jlayer["h"], &h)) { |
| 1049 | layer = sksg::ClipEffect::Make(std::move(layer), |
| 1050 | sksg::Rect::Make(SkRect::MakeWH(w, h)), |
| 1051 | true); |
| 1052 | } |
| 1053 | |
Florin Malita | 25366fa | 2018-01-23 13:37:59 -0500 | [diff] [blame] | 1054 | // Optional layer mask. |
Florin Malita | cca86f3 | 2018-01-29 10:49:49 -0500 | [diff] [blame] | 1055 | layer = AttachMask(jlayer["masksProperties"], &local_ctx, std::move(layer)); |
Florin Malita | 38ea40e | 2018-01-29 16:31:14 -0500 | [diff] [blame] | 1056 | |
Florin Malita | 25366fa | 2018-01-23 13:37:59 -0500 | [diff] [blame] | 1057 | // Optional layer transform. |
Florin Malita | 71cba8f | 2018-01-09 08:07:14 -0500 | [diff] [blame] | 1058 | if (auto layerMatrix = layerCtx->AttachLayerMatrix(jlayer)) { |
Florin Malita | 71cba8f | 2018-01-09 08:07:14 -0500 | [diff] [blame] | 1059 | layer = sksg::Transform::Make(std::move(layer), std::move(layerMatrix)); |
| 1060 | } |
Florin Malita | 38ea40e | 2018-01-29 16:31:14 -0500 | [diff] [blame] | 1061 | |
Florin Malita | 71cba8f | 2018-01-09 08:07:14 -0500 | [diff] [blame] | 1062 | // Optional layer opacity. |
Florin Malita | cca86f3 | 2018-01-29 10:49:49 -0500 | [diff] [blame] | 1063 | layer = AttachOpacity(jlayer["ks"], &local_ctx, std::move(layer)); |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 1064 | |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 1065 | class LayerController final : public sksg::GroupAnimator { |
Florin Malita | 71cba8f | 2018-01-09 08:07:14 -0500 | [diff] [blame] | 1066 | public: |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 1067 | LayerController(sksg::AnimatorList&& layer_animators, |
| 1068 | sk_sp<sksg::OpacityEffect> controlNode, |
| 1069 | float in, float out, |
| 1070 | float time_bias, float time_scale) |
Florin Malita | cca86f3 | 2018-01-29 10:49:49 -0500 | [diff] [blame] | 1071 | : INHERITED(std::move(layer_animators)) |
| 1072 | , fControlNode(std::move(controlNode)) |
Florin Malita | 71cba8f | 2018-01-09 08:07:14 -0500 | [diff] [blame] | 1073 | , fIn(in) |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 1074 | , fOut(out) |
| 1075 | , fTimeBias(time_bias) |
| 1076 | , fTimeScale(time_scale) {} |
Florin Malita | 71cba8f | 2018-01-09 08:07:14 -0500 | [diff] [blame] | 1077 | |
Florin Malita | 35efaa8 | 2018-01-22 12:57:06 -0500 | [diff] [blame] | 1078 | void onTick(float t) override { |
Florin Malita | cca86f3 | 2018-01-29 10:49:49 -0500 | [diff] [blame] | 1079 | const auto active = (t >= fIn && t <= fOut); |
| 1080 | |
Florin Malita | 71cba8f | 2018-01-09 08:07:14 -0500 | [diff] [blame] | 1081 | // Keep the layer fully transparent except for its [in..out] lifespan. |
| 1082 | // (note: opacity == 0 disables rendering, while opacity == 1 is a noop) |
Florin Malita | cca86f3 | 2018-01-29 10:49:49 -0500 | [diff] [blame] | 1083 | fControlNode->setOpacity(active ? 1 : 0); |
| 1084 | |
| 1085 | // Dispatch ticks only while active. |
| 1086 | if (active) |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 1087 | this->INHERITED::onTick((t + fTimeBias) * fTimeScale); |
Florin Malita | 71cba8f | 2018-01-09 08:07:14 -0500 | [diff] [blame] | 1088 | } |
| 1089 | |
| 1090 | private: |
| 1091 | const sk_sp<sksg::OpacityEffect> fControlNode; |
| 1092 | const float fIn, |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 1093 | fOut, |
| 1094 | fTimeBias, |
| 1095 | fTimeScale; |
Florin Malita | cca86f3 | 2018-01-29 10:49:49 -0500 | [diff] [blame] | 1096 | |
| 1097 | using INHERITED = sksg::GroupAnimator; |
Florin Malita | 71cba8f | 2018-01-09 08:07:14 -0500 | [diff] [blame] | 1098 | }; |
| 1099 | |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 1100 | auto controller_node = sksg::OpacityEffect::Make(std::move(layer)); |
| 1101 | const auto in = ParseDefault(jlayer["ip"], 0.0f), |
| 1102 | out = ParseDefault(jlayer["op"], in); |
Florin Malita | 71cba8f | 2018-01-09 08:07:14 -0500 | [diff] [blame] | 1103 | |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 1104 | if (!jlayer["tm"].isNull()) { |
| 1105 | LogFail(jlayer["tm"], "Unsupported time remapping"); |
| 1106 | } |
| 1107 | |
| 1108 | if (in >= out || !controller_node) |
Florin Malita | 71cba8f | 2018-01-09 08:07:14 -0500 | [diff] [blame] | 1109 | return nullptr; |
| 1110 | |
Florin Malita | cca86f3 | 2018-01-29 10:49:49 -0500 | [diff] [blame] | 1111 | layerCtx->fCtx->fAnimators.push_back( |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 1112 | skstd::make_unique<LayerController>(std::move(layer_animators), |
| 1113 | controller_node, |
| 1114 | in, |
| 1115 | out, |
| 1116 | time_bias, |
| 1117 | time_scale)); |
Florin Malita | 71cba8f | 2018-01-09 08:07:14 -0500 | [diff] [blame] | 1118 | |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 1119 | if (ParseDefault(jlayer["td"], false)) { |
Florin Malita | 5f9102f | 2018-01-10 13:36:22 -0500 | [diff] [blame] | 1120 | // This layer is a matte. We apply it as a mask to the next layer. |
Florin Malita | eb87d67 | 2018-01-29 15:28:24 -0500 | [diff] [blame] | 1121 | layerCtx->fCurrentMatte = std::move(controller_node); |
Florin Malita | 5f9102f | 2018-01-10 13:36:22 -0500 | [diff] [blame] | 1122 | return nullptr; |
| 1123 | } |
| 1124 | |
| 1125 | if (layerCtx->fCurrentMatte) { |
| 1126 | // There is a pending matte. Apply and reset. |
Florin Malita | a016be9 | 2018-03-05 14:01:41 -0500 | [diff] [blame] | 1127 | static constexpr sksg::MaskEffect::Mode gMaskModes[] = { |
| 1128 | sksg::MaskEffect::Mode::kNormal, // tt: 1 |
| 1129 | sksg::MaskEffect::Mode::kInvert, // tt: 2 |
| 1130 | }; |
| 1131 | const auto matteType = ParseDefault(jlayer["tt"], 1) - 1; |
| 1132 | |
| 1133 | if (matteType >= 0 && matteType < SkTo<int>(SK_ARRAY_COUNT(gMaskModes))) { |
| 1134 | return sksg::MaskEffect::Make(std::move(controller_node), |
| 1135 | std::move(layerCtx->fCurrentMatte), |
| 1136 | gMaskModes[matteType]); |
| 1137 | } |
| 1138 | layerCtx->fCurrentMatte.reset(); |
Florin Malita | 5f9102f | 2018-01-10 13:36:22 -0500 | [diff] [blame] | 1139 | } |
| 1140 | |
Kevin Lubick | f7621cb | 2018-04-16 15:51:44 -0400 | [diff] [blame] | 1141 | return std::move(controller_node); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1142 | } |
| 1143 | |
| 1144 | sk_sp<sksg::RenderNode> AttachComposition(const Json::Value& comp, AttachContext* ctx) { |
| 1145 | if (!comp.isObject()) |
| 1146 | return nullptr; |
| 1147 | |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 1148 | const auto& jlayers = comp["layers"]; |
| 1149 | if (!jlayers.isArray()) |
| 1150 | return nullptr; |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1151 | |
Florin Malita | 18eafd9 | 2018-01-04 21:11:55 -0500 | [diff] [blame] | 1152 | SkSTArray<16, sk_sp<sksg::RenderNode>, true> layers; |
| 1153 | AttachLayerContext layerCtx(jlayers, ctx); |
| 1154 | |
| 1155 | for (const auto& l : jlayers) { |
| 1156 | if (auto layer_fragment = AttachLayer(l, &layerCtx)) { |
Florin Malita | 2a8275b | 2018-01-02 12:52:43 -0500 | [diff] [blame] | 1157 | layers.push_back(std::move(layer_fragment)); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1158 | } |
| 1159 | } |
| 1160 | |
Florin Malita | 2a8275b | 2018-01-02 12:52:43 -0500 | [diff] [blame] | 1161 | if (layers.empty()) { |
| 1162 | return nullptr; |
| 1163 | } |
| 1164 | |
| 1165 | // Layers are painted in bottom->top order. |
| 1166 | auto comp_group = sksg::Group::Make(); |
| 1167 | for (int i = layers.count() - 1; i >= 0; --i) { |
| 1168 | comp_group->addChild(std::move(layers[i])); |
| 1169 | } |
| 1170 | |
Kevin Lubick | f7621cb | 2018-04-16 15:51:44 -0400 | [diff] [blame] | 1171 | return std::move(comp_group); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1172 | } |
| 1173 | |
| 1174 | } // namespace |
| 1175 | |
Florin Malita | 6eb85a1 | 2018-04-30 10:32:18 -0400 | [diff] [blame] | 1176 | sk_sp<Animation> Animation::Make(SkStream* stream, const ResourceProvider& res, Stats* stats) { |
| 1177 | Stats stats_storage; |
| 1178 | if (!stats) |
| 1179 | stats = &stats_storage; |
| 1180 | memset(stats, 0, sizeof(struct Stats)); |
| 1181 | |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1182 | if (!stream->hasLength()) { |
| 1183 | // TODO: handle explicit buffering? |
| 1184 | LOG("!! cannot parse streaming content\n"); |
| 1185 | return nullptr; |
| 1186 | } |
| 1187 | |
Florin Malita | 6eb85a1 | 2018-04-30 10:32:18 -0400 | [diff] [blame] | 1188 | const auto t0 = SkTime::GetMSecs(); |
| 1189 | |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1190 | Json::Value json; |
| 1191 | { |
| 1192 | auto data = SkData::MakeFromStream(stream, stream->getLength()); |
| 1193 | if (!data) { |
| 1194 | LOG("!! could not read stream\n"); |
| 1195 | return nullptr; |
| 1196 | } |
Florin Malita | 6eb85a1 | 2018-04-30 10:32:18 -0400 | [diff] [blame] | 1197 | stats->fJsonSize = data->size(); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1198 | |
| 1199 | Json::Reader reader; |
| 1200 | |
| 1201 | auto dataStart = static_cast<const char*>(data->data()); |
| 1202 | if (!reader.parse(dataStart, dataStart + data->size(), json, false) || !json.isObject()) { |
| 1203 | LOG("!! failed to parse json: %s\n", reader.getFormattedErrorMessages().c_str()); |
| 1204 | return nullptr; |
| 1205 | } |
| 1206 | } |
| 1207 | |
Florin Malita | 6eb85a1 | 2018-04-30 10:32:18 -0400 | [diff] [blame] | 1208 | const auto t1 = SkTime::GetMSecs(); |
| 1209 | stats->fJsonParseTimeMS = t1 - t0; |
| 1210 | |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 1211 | const auto version = ParseDefault(json["v"], SkString()); |
| 1212 | const auto size = SkSize::Make(ParseDefault(json["w"], 0.0f), |
| 1213 | ParseDefault(json["h"], 0.0f)); |
| 1214 | const auto fps = ParseDefault(json["fr"], -1.0f); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1215 | |
Florin Malita | 1022f74 | 2018-02-23 11:10:22 -0500 | [diff] [blame] | 1216 | if (size.isEmpty() || version.isEmpty() || fps <= 0) { |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1217 | LOG("!! invalid animation params (version: %s, size: [%f %f], frame rate: %f)", |
| 1218 | version.c_str(), size.width(), size.height(), fps); |
| 1219 | return nullptr; |
| 1220 | } |
| 1221 | |
Florin Malita | 6eb85a1 | 2018-04-30 10:32:18 -0400 | [diff] [blame] | 1222 | const auto anim = |
| 1223 | sk_sp<Animation>(new Animation(res, std::move(version), size, fps, json, stats)); |
| 1224 | const auto t2 = SkTime::GetMSecs(); |
| 1225 | stats->fSceneParseTimeMS = t2 - t1; |
| 1226 | stats->fTotalLoadTimeMS = t2 - t0; |
| 1227 | |
| 1228 | return anim; |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1229 | } |
| 1230 | |
Florin Malita | 6eb85a1 | 2018-04-30 10:32:18 -0400 | [diff] [blame] | 1231 | sk_sp<Animation> Animation::MakeFromFile(const char path[], const ResourceProvider* res, |
| 1232 | Stats* stats) { |
Florin Malita | 4932807 | 2018-01-08 12:51:12 -0500 | [diff] [blame] | 1233 | class DirectoryResourceProvider final : public ResourceProvider { |
| 1234 | public: |
| 1235 | explicit DirectoryResourceProvider(SkString dir) : fDir(std::move(dir)) {} |
| 1236 | |
| 1237 | std::unique_ptr<SkStream> openStream(const char resource[]) const override { |
| 1238 | const auto resPath = SkOSPath::Join(fDir.c_str(), resource); |
| 1239 | return SkStream::MakeFromFile(resPath.c_str()); |
| 1240 | } |
| 1241 | |
| 1242 | private: |
| 1243 | const SkString fDir; |
| 1244 | }; |
| 1245 | |
| 1246 | const auto jsonStream = SkStream::MakeFromFile(path); |
| 1247 | if (!jsonStream) |
| 1248 | return nullptr; |
| 1249 | |
| 1250 | std::unique_ptr<ResourceProvider> defaultProvider; |
| 1251 | if (!res) { |
| 1252 | defaultProvider = skstd::make_unique<DirectoryResourceProvider>(SkOSPath::Dirname(path)); |
| 1253 | } |
| 1254 | |
Florin Malita | 6eb85a1 | 2018-04-30 10:32:18 -0400 | [diff] [blame] | 1255 | return Make(jsonStream.get(), res ? *res : *defaultProvider, stats); |
Florin Malita | 4932807 | 2018-01-08 12:51:12 -0500 | [diff] [blame] | 1256 | } |
| 1257 | |
| 1258 | Animation::Animation(const ResourceProvider& resources, |
Florin Malita | 6eb85a1 | 2018-04-30 10:32:18 -0400 | [diff] [blame] | 1259 | SkString version, const SkSize& size, SkScalar fps, const Json::Value& json, |
| 1260 | Stats* stats) |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1261 | : fVersion(std::move(version)) |
| 1262 | , fSize(size) |
| 1263 | , fFrameRate(fps) |
Florin Malita | cf8ed52 | 2018-01-25 15:27:33 -0500 | [diff] [blame] | 1264 | , fInPoint(ParseDefault(json["ip"], 0.0f)) |
| 1265 | , fOutPoint(SkTMax(ParseDefault(json["op"], SK_ScalarMax), fInPoint)) { |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1266 | |
| 1267 | AssetMap assets; |
| 1268 | for (const auto& asset : json["assets"]) { |
| 1269 | if (!asset.isObject()) { |
| 1270 | continue; |
| 1271 | } |
| 1272 | |
Florin Malita | dd22cf96 | 2018-01-29 15:42:01 +0000 | [diff] [blame] | 1273 | assets.set(ParseDefault(asset["id"], SkString()), &asset); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1274 | } |
| 1275 | |
Florin Malita | cca86f3 | 2018-01-29 10:49:49 -0500 | [diff] [blame] | 1276 | sksg::AnimatorList animators; |
Florin Malita | 1022f74 | 2018-02-23 11:10:22 -0500 | [diff] [blame] | 1277 | AttachContext ctx = { resources, assets, fFrameRate, animators }; |
Florin Malita | 35efaa8 | 2018-01-22 12:57:06 -0500 | [diff] [blame] | 1278 | auto root = AttachComposition(json, &ctx); |
| 1279 | |
Florin Malita | 6eb85a1 | 2018-04-30 10:32:18 -0400 | [diff] [blame] | 1280 | stats->fAnimatorCount = animators.size(); |
Florin Malita | 35efaa8 | 2018-01-22 12:57:06 -0500 | [diff] [blame] | 1281 | |
| 1282 | fScene = sksg::Scene::Make(std::move(root), std::move(animators)); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1283 | |
Florin Malita | db38573 | 2018-01-09 12:19:32 -0500 | [diff] [blame] | 1284 | // In case the client calls render before the first tick. |
| 1285 | this->animationTick(0); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1286 | } |
| 1287 | |
| 1288 | Animation::~Animation() = default; |
| 1289 | |
Florin Malita | 35efaa8 | 2018-01-22 12:57:06 -0500 | [diff] [blame] | 1290 | void Animation::setShowInval(bool show) { |
| 1291 | if (fScene) { |
| 1292 | fScene->setShowInval(show); |
| 1293 | } |
| 1294 | } |
| 1295 | |
Mike Reed | 2985987 | 2018-01-08 08:25:27 -0500 | [diff] [blame] | 1296 | void Animation::render(SkCanvas* canvas, const SkRect* dstR) const { |
Florin Malita | 35efaa8 | 2018-01-22 12:57:06 -0500 | [diff] [blame] | 1297 | if (!fScene) |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1298 | return; |
| 1299 | |
Mike Reed | 2985987 | 2018-01-08 08:25:27 -0500 | [diff] [blame] | 1300 | SkAutoCanvasRestore restore(canvas, true); |
| 1301 | const SkRect srcR = SkRect::MakeSize(this->size()); |
| 1302 | if (dstR) { |
| 1303 | canvas->concat(SkMatrix::MakeRectToRect(srcR, *dstR, SkMatrix::kCenter_ScaleToFit)); |
| 1304 | } |
| 1305 | canvas->clipRect(srcR); |
Florin Malita | 35efaa8 | 2018-01-22 12:57:06 -0500 | [diff] [blame] | 1306 | fScene->render(canvas); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1307 | } |
| 1308 | |
| 1309 | void Animation::animationTick(SkMSec ms) { |
Florin Malita | 35efaa8 | 2018-01-22 12:57:06 -0500 | [diff] [blame] | 1310 | if (!fScene) |
| 1311 | return; |
| 1312 | |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1313 | // 't' in the BM model really means 'frame #' |
| 1314 | auto t = static_cast<float>(ms) * fFrameRate / 1000; |
| 1315 | |
| 1316 | t = fInPoint + std::fmod(t, fOutPoint - fInPoint); |
| 1317 | |
Florin Malita | 35efaa8 | 2018-01-22 12:57:06 -0500 | [diff] [blame] | 1318 | fScene->animate(t); |
Florin Malita | 094ccde | 2017-12-30 12:27:00 -0500 | [diff] [blame] | 1319 | } |
| 1320 | |
Florin Malita | 54f65c4 | 2018-01-16 17:04:30 -0500 | [diff] [blame] | 1321 | } // namespace skottie |