Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "VectorDrawable.h" |
| 18 | |
| 19 | #include "PathParser.h" |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 20 | #include "SkColorFilter.h" |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 21 | #include "SkImageInfo.h" |
Teng-Hui Zhu | dbee9bb | 2015-12-15 11:01:27 -0800 | [diff] [blame] | 22 | #include "SkShader.h" |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 23 | #include <utils/Log.h> |
| 24 | #include "utils/Macros.h" |
| 25 | #include "utils/VectorDrawableUtils.h" |
| 26 | |
| 27 | #include <math.h> |
| 28 | #include <string.h> |
| 29 | |
| 30 | namespace android { |
| 31 | namespace uirenderer { |
| 32 | namespace VectorDrawable { |
| 33 | |
| 34 | const int Tree::MAX_CACHED_BITMAP_SIZE = 2048; |
| 35 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 36 | void Path::draw(SkCanvas* outCanvas, const SkMatrix& groupStackedMatrix, float scaleX, float scaleY, |
| 37 | bool useStagingData) { |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 38 | float matrixScale = getMatrixScale(groupStackedMatrix); |
| 39 | if (matrixScale == 0) { |
| 40 | // When either x or y is scaled to 0, we don't need to draw anything. |
| 41 | return; |
| 42 | } |
| 43 | |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 44 | SkMatrix pathMatrix(groupStackedMatrix); |
| 45 | pathMatrix.postScale(scaleX, scaleY); |
| 46 | |
| 47 | //TODO: try apply the path matrix to the canvas instead of creating a new path. |
| 48 | SkPath renderPath; |
| 49 | renderPath.reset(); |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 50 | |
| 51 | if (useStagingData) { |
| 52 | SkPath tmpPath; |
| 53 | getStagingPath(&tmpPath); |
| 54 | renderPath.addPath(tmpPath, pathMatrix); |
| 55 | } else { |
| 56 | renderPath.addPath(getUpdatedPath(), pathMatrix); |
| 57 | } |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 58 | |
| 59 | float minScale = fmin(scaleX, scaleY); |
| 60 | float strokeScale = minScale * matrixScale; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 61 | drawPath(outCanvas, renderPath, strokeScale, pathMatrix, useStagingData); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 62 | } |
| 63 | |
| 64 | void Path::dump() { |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 65 | ALOGD("Path: %s has %zu points", mName.c_str(), mProperties.getData().points.size()); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 66 | } |
| 67 | |
| 68 | float Path::getMatrixScale(const SkMatrix& groupStackedMatrix) { |
| 69 | // Given unit vectors A = (0, 1) and B = (1, 0). |
| 70 | // After matrix mapping, we got A' and B'. Let theta = the angel b/t A' and B'. |
| 71 | // Therefore, the final scale we want is min(|A'| * sin(theta), |B'| * sin(theta)), |
| 72 | // which is (|A'| * |B'| * sin(theta)) / max (|A'|, |B'|); |
| 73 | // If max (|A'|, |B'|) = 0, that means either x or y has a scale of 0. |
| 74 | // |
| 75 | // For non-skew case, which is most of the cases, matrix scale is computing exactly the |
| 76 | // scale on x and y axis, and take the minimal of these two. |
| 77 | // For skew case, an unit square will mapped to a parallelogram. And this function will |
| 78 | // return the minimal height of the 2 bases. |
| 79 | SkVector skVectors[2]; |
| 80 | skVectors[0].set(0, 1); |
| 81 | skVectors[1].set(1, 0); |
| 82 | groupStackedMatrix.mapVectors(skVectors, 2); |
| 83 | float scaleX = hypotf(skVectors[0].fX, skVectors[0].fY); |
| 84 | float scaleY = hypotf(skVectors[1].fX, skVectors[1].fY); |
| 85 | float crossProduct = skVectors[0].cross(skVectors[1]); |
| 86 | float maxScale = fmax(scaleX, scaleY); |
| 87 | |
| 88 | float matrixScale = 0; |
| 89 | if (maxScale > 0) { |
| 90 | matrixScale = fabs(crossProduct) / maxScale; |
| 91 | } |
| 92 | return matrixScale; |
| 93 | } |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 94 | |
| 95 | // Called from UI thread during the initial setup/theme change. |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 96 | Path::Path(const char* pathStr, size_t strLength) { |
| 97 | PathParser::ParseResult result; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 98 | Data data; |
Doris Liu | b35da39 | 2016-04-12 11:06:23 -0700 | [diff] [blame^] | 99 | PathParser::getPathDataFromAsciiString(&data, &result, pathStr, strLength); |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 100 | mStagingProperties.setData(data); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 101 | } |
| 102 | |
| 103 | Path::Path(const Path& path) : Node(path) { |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 104 | mStagingProperties.syncProperties(path.mStagingProperties); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | const SkPath& Path::getUpdatedPath() { |
| 108 | if (mSkPathDirty) { |
| 109 | mSkPath.reset(); |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 110 | VectorDrawableUtils::verbsToPath(&mSkPath, mProperties.getData()); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 111 | mSkPathDirty = false; |
| 112 | } |
| 113 | return mSkPath; |
| 114 | } |
| 115 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 116 | void Path::getStagingPath(SkPath* outPath) { |
| 117 | outPath->reset(); |
| 118 | VectorDrawableUtils::verbsToPath(outPath, mStagingProperties.getData()); |
| 119 | } |
| 120 | |
| 121 | void Path::syncProperties() { |
| 122 | if (mStagingPropertiesDirty) { |
| 123 | mProperties.syncProperties(mStagingProperties); |
| 124 | } else { |
| 125 | mStagingProperties.syncProperties(mProperties); |
| 126 | } |
| 127 | mStagingPropertiesDirty = false; |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 128 | } |
| 129 | |
| 130 | FullPath::FullPath(const FullPath& path) : Path(path) { |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 131 | mStagingProperties.syncProperties(path.mStagingProperties); |
| 132 | } |
| 133 | |
| 134 | static void applyTrim(SkPath* outPath, const SkPath& inPath, float trimPathStart, float trimPathEnd, |
| 135 | float trimPathOffset) { |
| 136 | if (trimPathStart == 0.0f && trimPathEnd == 1.0f) { |
| 137 | *outPath = inPath; |
| 138 | return; |
| 139 | } |
| 140 | outPath->reset(); |
| 141 | if (trimPathStart == trimPathEnd) { |
| 142 | // Trimmed path should be empty. |
| 143 | return; |
| 144 | } |
| 145 | SkPathMeasure measure(inPath, false); |
| 146 | float len = SkScalarToFloat(measure.getLength()); |
| 147 | float start = len * fmod((trimPathStart + trimPathOffset), 1.0f); |
| 148 | float end = len * fmod((trimPathEnd + trimPathOffset), 1.0f); |
| 149 | |
| 150 | if (start > end) { |
| 151 | measure.getSegment(start, len, outPath, true); |
| 152 | if (end > 0) { |
| 153 | measure.getSegment(0, end, outPath, true); |
| 154 | } |
| 155 | } else { |
| 156 | measure.getSegment(start, end, outPath, true); |
| 157 | } |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 158 | } |
| 159 | |
| 160 | const SkPath& FullPath::getUpdatedPath() { |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 161 | if (!mSkPathDirty && !mProperties.mTrimDirty) { |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 162 | return mTrimmedSkPath; |
| 163 | } |
| 164 | Path::getUpdatedPath(); |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 165 | if (mProperties.getTrimPathStart() != 0.0f || mProperties.getTrimPathEnd() != 1.0f) { |
| 166 | mProperties.mTrimDirty = false; |
| 167 | applyTrim(&mTrimmedSkPath, mSkPath, mProperties.getTrimPathStart(), |
| 168 | mProperties.getTrimPathEnd(), mProperties.getTrimPathOffset()); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 169 | return mTrimmedSkPath; |
| 170 | } else { |
| 171 | return mSkPath; |
| 172 | } |
| 173 | } |
| 174 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 175 | void FullPath::getStagingPath(SkPath* outPath) { |
| 176 | Path::getStagingPath(outPath); |
| 177 | SkPath inPath = *outPath; |
| 178 | applyTrim(outPath, inPath, mStagingProperties.getTrimPathStart(), |
| 179 | mStagingProperties.getTrimPathEnd(), mStagingProperties.getTrimPathOffset()); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 180 | } |
| 181 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 182 | void FullPath::dump() { |
| 183 | Path::dump(); |
| 184 | ALOGD("stroke width, color, alpha: %f, %d, %f, fill color, alpha: %d, %f", |
| 185 | mProperties.getStrokeWidth(), mProperties.getStrokeColor(), mProperties.getStrokeAlpha(), |
| 186 | mProperties.getFillColor(), mProperties.getFillAlpha()); |
| 187 | } |
| 188 | |
| 189 | |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 190 | inline SkColor applyAlpha(SkColor color, float alpha) { |
| 191 | int alphaBytes = SkColorGetA(color); |
| 192 | return SkColorSetA(color, alphaBytes * alpha); |
| 193 | } |
| 194 | |
Teng-Hui Zhu | 46591f4 | 2016-03-15 14:32:16 -0700 | [diff] [blame] | 195 | void FullPath::drawPath(SkCanvas* outCanvas, SkPath& renderPath, float strokeScale, |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 196 | const SkMatrix& matrix, bool useStagingData){ |
| 197 | const FullPathProperties& properties = useStagingData ? mStagingProperties : mProperties; |
| 198 | |
Teng-Hui Zhu | dbee9bb | 2015-12-15 11:01:27 -0800 | [diff] [blame] | 199 | // Draw path's fill, if fill color or gradient is valid |
| 200 | bool needsFill = false; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 201 | SkPaint paint; |
| 202 | if (properties.getFillGradient() != nullptr) { |
| 203 | paint.setColor(applyAlpha(SK_ColorBLACK, properties.getFillAlpha())); |
| 204 | SkShader* newShader = properties.getFillGradient()->newWithLocalMatrix(matrix); |
| 205 | paint.setShader(newShader); |
Teng-Hui Zhu | dbee9bb | 2015-12-15 11:01:27 -0800 | [diff] [blame] | 206 | needsFill = true; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 207 | } else if (properties.getFillColor() != SK_ColorTRANSPARENT) { |
| 208 | paint.setColor(applyAlpha(properties.getFillColor(), properties.getFillAlpha())); |
Teng-Hui Zhu | dbee9bb | 2015-12-15 11:01:27 -0800 | [diff] [blame] | 209 | needsFill = true; |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 210 | } |
Teng-Hui Zhu | dbee9bb | 2015-12-15 11:01:27 -0800 | [diff] [blame] | 211 | |
| 212 | if (needsFill) { |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 213 | paint.setStyle(SkPaint::Style::kFill_Style); |
| 214 | paint.setAntiAlias(true); |
| 215 | SkPath::FillType ft = static_cast<SkPath::FillType>(properties.getFillType()); |
Teng-Hui Zhu | 46591f4 | 2016-03-15 14:32:16 -0700 | [diff] [blame] | 216 | renderPath.setFillType(ft); |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 217 | outCanvas->drawPath(renderPath, paint); |
Teng-Hui Zhu | dbee9bb | 2015-12-15 11:01:27 -0800 | [diff] [blame] | 218 | } |
| 219 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 220 | // Draw path's stroke, if stroke color or Gradient is valid |
Teng-Hui Zhu | dbee9bb | 2015-12-15 11:01:27 -0800 | [diff] [blame] | 221 | bool needsStroke = false; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 222 | if (properties.getStrokeGradient() != nullptr) { |
| 223 | paint.setColor(applyAlpha(SK_ColorBLACK, properties.getStrokeAlpha())); |
| 224 | SkShader* newShader = properties.getStrokeGradient()->newWithLocalMatrix(matrix); |
| 225 | paint.setShader(newShader); |
Teng-Hui Zhu | dbee9bb | 2015-12-15 11:01:27 -0800 | [diff] [blame] | 226 | needsStroke = true; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 227 | } else if (properties.getStrokeColor() != SK_ColorTRANSPARENT) { |
| 228 | paint.setColor(applyAlpha(properties.getStrokeColor(), properties.getStrokeAlpha())); |
Teng-Hui Zhu | dbee9bb | 2015-12-15 11:01:27 -0800 | [diff] [blame] | 229 | needsStroke = true; |
| 230 | } |
| 231 | if (needsStroke) { |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 232 | paint.setStyle(SkPaint::Style::kStroke_Style); |
| 233 | paint.setAntiAlias(true); |
| 234 | paint.setStrokeJoin(SkPaint::Join(properties.getStrokeLineJoin())); |
| 235 | paint.setStrokeCap(SkPaint::Cap(properties.getStrokeLineCap())); |
| 236 | paint.setStrokeMiter(properties.getStrokeMiterLimit()); |
| 237 | paint.setStrokeWidth(properties.getStrokeWidth() * strokeScale); |
| 238 | outCanvas->drawPath(renderPath, paint); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 239 | } |
| 240 | } |
| 241 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 242 | void FullPath::syncProperties() { |
| 243 | Path::syncProperties(); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 244 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 245 | if (mStagingPropertiesDirty) { |
| 246 | mProperties.syncProperties(mStagingProperties); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 247 | } else { |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 248 | // Update staging property with property values from animation. |
| 249 | mStagingProperties.syncProperties(mProperties); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 250 | } |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 251 | mStagingPropertiesDirty = false; |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 252 | } |
| 253 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 254 | REQUIRE_COMPATIBLE_LAYOUT(FullPath::FullPathProperties::PrimitiveFields); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 255 | |
| 256 | static_assert(sizeof(float) == sizeof(int32_t), "float is not the same size as int32_t"); |
| 257 | static_assert(sizeof(SkColor) == sizeof(int32_t), "SkColor is not the same size as int32_t"); |
| 258 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 259 | bool FullPath::FullPathProperties::copyProperties(int8_t* outProperties, int length) const { |
| 260 | int propertyDataSize = sizeof(FullPathProperties::PrimitiveFields); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 261 | if (length != propertyDataSize) { |
| 262 | LOG_ALWAYS_FATAL("Properties needs exactly %d bytes, a byte array of size %d is provided", |
| 263 | propertyDataSize, length); |
| 264 | return false; |
| 265 | } |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 266 | |
| 267 | PrimitiveFields* out = reinterpret_cast<PrimitiveFields*>(outProperties); |
| 268 | *out = mPrimitiveFields; |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 269 | return true; |
| 270 | } |
| 271 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 272 | void FullPath::FullPathProperties::setColorPropertyValue(int propertyId, int32_t value) { |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 273 | Property currentProperty = static_cast<Property>(propertyId); |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 274 | if (currentProperty == Property::strokeColor) { |
| 275 | setStrokeColor(value); |
| 276 | } else if (currentProperty == Property::fillColor) { |
| 277 | setFillColor(value); |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 278 | } else { |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 279 | LOG_ALWAYS_FATAL("Error setting color property on FullPath: No valid property" |
| 280 | " with id: %d", propertyId); |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 281 | } |
| 282 | } |
| 283 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 284 | void FullPath::FullPathProperties::setPropertyValue(int propertyId, float value) { |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 285 | Property property = static_cast<Property>(propertyId); |
| 286 | switch (property) { |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 287 | case Property::strokeWidth: |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 288 | setStrokeWidth(value); |
| 289 | break; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 290 | case Property::strokeAlpha: |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 291 | setStrokeAlpha(value); |
| 292 | break; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 293 | case Property::fillAlpha: |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 294 | setFillAlpha(value); |
| 295 | break; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 296 | case Property::trimPathStart: |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 297 | setTrimPathStart(value); |
| 298 | break; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 299 | case Property::trimPathEnd: |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 300 | setTrimPathEnd(value); |
| 301 | break; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 302 | case Property::trimPathOffset: |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 303 | setTrimPathOffset(value); |
| 304 | break; |
| 305 | default: |
| 306 | LOG_ALWAYS_FATAL("Invalid property id: %d for animation", propertyId); |
| 307 | break; |
| 308 | } |
| 309 | } |
| 310 | |
Teng-Hui Zhu | 46591f4 | 2016-03-15 14:32:16 -0700 | [diff] [blame] | 311 | void ClipPath::drawPath(SkCanvas* outCanvas, SkPath& renderPath, |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 312 | float strokeScale, const SkMatrix& matrix, bool useStagingData){ |
Doris Liu | c2de46f | 2016-01-21 12:55:54 -0800 | [diff] [blame] | 313 | outCanvas->clipPath(renderPath, SkRegion::kIntersect_Op); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 314 | } |
| 315 | |
| 316 | Group::Group(const Group& group) : Node(group) { |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 317 | mStagingProperties.syncProperties(group.mStagingProperties); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 318 | } |
| 319 | |
Doris Liu | c2de46f | 2016-01-21 12:55:54 -0800 | [diff] [blame] | 320 | void Group::draw(SkCanvas* outCanvas, const SkMatrix& currentMatrix, float scaleX, |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 321 | float scaleY, bool useStagingData) { |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 322 | // TODO: Try apply the matrix to the canvas instead of passing it down the tree |
| 323 | |
| 324 | // Calculate current group's matrix by preConcat the parent's and |
| 325 | // and the current one on the top of the stack. |
| 326 | // Basically the Mfinal = Mviewport * M0 * M1 * M2; |
| 327 | // Mi the local matrix at level i of the group tree. |
| 328 | SkMatrix stackedMatrix; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 329 | const GroupProperties& prop = useStagingData ? mStagingProperties : mProperties; |
| 330 | getLocalMatrix(&stackedMatrix, prop); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 331 | stackedMatrix.postConcat(currentMatrix); |
| 332 | |
| 333 | // Save the current clip information, which is local to this group. |
Doris Liu | c2de46f | 2016-01-21 12:55:54 -0800 | [diff] [blame] | 334 | outCanvas->save(); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 335 | // Draw the group tree in the same order as the XML file. |
Doris Liu | ef062eb | 2016-02-04 16:16:27 -0800 | [diff] [blame] | 336 | for (auto& child : mChildren) { |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 337 | child->draw(outCanvas, stackedMatrix, scaleX, scaleY, useStagingData); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 338 | } |
| 339 | // Restore the previous clip information. |
| 340 | outCanvas->restore(); |
| 341 | } |
| 342 | |
| 343 | void Group::dump() { |
| 344 | ALOGD("Group %s has %zu children: ", mName.c_str(), mChildren.size()); |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 345 | ALOGD("Group translateX, Y : %f, %f, scaleX, Y: %f, %f", mProperties.getTranslateX(), |
| 346 | mProperties.getTranslateY(), mProperties.getScaleX(), mProperties.getScaleY()); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 347 | for (size_t i = 0; i < mChildren.size(); i++) { |
| 348 | mChildren[i]->dump(); |
| 349 | } |
| 350 | } |
| 351 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 352 | void Group::syncProperties() { |
| 353 | // Copy over the dirty staging properties |
| 354 | if (mStagingPropertiesDirty) { |
| 355 | mProperties.syncProperties(mStagingProperties); |
| 356 | } else { |
| 357 | mStagingProperties.syncProperties(mProperties); |
| 358 | } |
| 359 | mStagingPropertiesDirty = false; |
| 360 | for (auto& child : mChildren) { |
| 361 | child->syncProperties(); |
| 362 | } |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 363 | } |
| 364 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 365 | void Group::getLocalMatrix(SkMatrix* outMatrix, const GroupProperties& properties) { |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 366 | outMatrix->reset(); |
| 367 | // TODO: use rotate(mRotate, mPivotX, mPivotY) and scale with pivot point, instead of |
| 368 | // translating to pivot for rotating and scaling, then translating back. |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 369 | outMatrix->postTranslate(-properties.getPivotX(), -properties.getPivotY()); |
| 370 | outMatrix->postScale(properties.getScaleX(), properties.getScaleY()); |
| 371 | outMatrix->postRotate(properties.getRotation(), 0, 0); |
| 372 | outMatrix->postTranslate(properties.getTranslateX() + properties.getPivotX(), |
| 373 | properties.getTranslateY() + properties.getPivotY()); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 374 | } |
| 375 | |
| 376 | void Group::addChild(Node* child) { |
Doris Liu | ef062eb | 2016-02-04 16:16:27 -0800 | [diff] [blame] | 377 | mChildren.emplace_back(child); |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 378 | if (mPropertyChangedListener != nullptr) { |
| 379 | child->setPropertyChangedListener(mPropertyChangedListener); |
| 380 | } |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 381 | } |
| 382 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 383 | bool Group::GroupProperties::copyProperties(float* outProperties, int length) const { |
| 384 | int propertyCount = static_cast<int>(Property::count); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 385 | if (length != propertyCount) { |
| 386 | LOG_ALWAYS_FATAL("Properties needs exactly %d bytes, a byte array of size %d is provided", |
| 387 | propertyCount, length); |
| 388 | return false; |
| 389 | } |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 390 | |
| 391 | PrimitiveFields* out = reinterpret_cast<PrimitiveFields*>(outProperties); |
| 392 | *out = mPrimitiveFields; |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 393 | return true; |
| 394 | } |
| 395 | |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 396 | // TODO: Consider animating the properties as float pointers |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 397 | // Called on render thread |
| 398 | float Group::GroupProperties::getPropertyValue(int propertyId) const { |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 399 | Property currentProperty = static_cast<Property>(propertyId); |
| 400 | switch (currentProperty) { |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 401 | case Property::rotate: |
| 402 | return getRotation(); |
| 403 | case Property::pivotX: |
| 404 | return getPivotX(); |
| 405 | case Property::pivotY: |
| 406 | return getPivotY(); |
| 407 | case Property::scaleX: |
| 408 | return getScaleX(); |
| 409 | case Property::scaleY: |
| 410 | return getScaleY(); |
| 411 | case Property::translateX: |
| 412 | return getTranslateX(); |
| 413 | case Property::translateY: |
| 414 | return getTranslateY(); |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 415 | default: |
| 416 | LOG_ALWAYS_FATAL("Invalid property index: %d", propertyId); |
| 417 | return 0; |
| 418 | } |
| 419 | } |
| 420 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 421 | // Called on render thread |
| 422 | void Group::GroupProperties::setPropertyValue(int propertyId, float value) { |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 423 | Property currentProperty = static_cast<Property>(propertyId); |
| 424 | switch (currentProperty) { |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 425 | case Property::rotate: |
| 426 | setRotation(value); |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 427 | break; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 428 | case Property::pivotX: |
| 429 | setPivotX(value); |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 430 | break; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 431 | case Property::pivotY: |
| 432 | setPivotY(value); |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 433 | break; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 434 | case Property::scaleX: |
| 435 | setScaleX(value); |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 436 | break; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 437 | case Property::scaleY: |
| 438 | setScaleY(value); |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 439 | break; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 440 | case Property::translateX: |
| 441 | setTranslateX(value); |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 442 | break; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 443 | case Property::translateY: |
| 444 | setTranslateY(value); |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 445 | break; |
| 446 | default: |
| 447 | LOG_ALWAYS_FATAL("Invalid property index: %d", propertyId); |
| 448 | } |
| 449 | } |
| 450 | |
| 451 | bool Group::isValidProperty(int propertyId) { |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 452 | return GroupProperties::isValidProperty(propertyId); |
| 453 | } |
| 454 | |
| 455 | bool Group::GroupProperties::isValidProperty(int propertyId) { |
| 456 | return propertyId >= 0 && propertyId < static_cast<int>(Property::count); |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 457 | } |
| 458 | |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 459 | void Tree::draw(Canvas* outCanvas, SkColorFilter* colorFilter, |
| 460 | const SkRect& bounds, bool needsMirroring, bool canReuseCache) { |
| 461 | // The imageView can scale the canvas in different ways, in order to |
| 462 | // avoid blurry scaling, we have to draw into a bitmap with exact pixel |
| 463 | // size first. This bitmap size is determined by the bounds and the |
| 464 | // canvas scale. |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 465 | SkMatrix canvasMatrix; |
| 466 | outCanvas->getMatrix(&canvasMatrix); |
Doris Liu | a0e6157 | 2015-12-29 14:57:49 -0800 | [diff] [blame] | 467 | float canvasScaleX = 1.0f; |
| 468 | float canvasScaleY = 1.0f; |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 469 | if (canvasMatrix.getSkewX() == 0 && canvasMatrix.getSkewY() == 0) { |
Doris Liu | a0e6157 | 2015-12-29 14:57:49 -0800 | [diff] [blame] | 470 | // Only use the scale value when there's no skew or rotation in the canvas matrix. |
Doris Liu | e410a35 | 2016-01-13 17:23:33 -0800 | [diff] [blame] | 471 | // TODO: Add a cts test for drawing VD on a canvas with negative scaling factors. |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 472 | canvasScaleX = fabs(canvasMatrix.getScaleX()); |
| 473 | canvasScaleY = fabs(canvasMatrix.getScaleY()); |
Doris Liu | a0e6157 | 2015-12-29 14:57:49 -0800 | [diff] [blame] | 474 | } |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 475 | int scaledWidth = (int) (bounds.width() * canvasScaleX); |
| 476 | int scaledHeight = (int) (bounds.height() * canvasScaleY); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 477 | scaledWidth = std::min(Tree::MAX_CACHED_BITMAP_SIZE, scaledWidth); |
| 478 | scaledHeight = std::min(Tree::MAX_CACHED_BITMAP_SIZE, scaledHeight); |
| 479 | |
| 480 | if (scaledWidth <= 0 || scaledHeight <= 0) { |
| 481 | return; |
| 482 | } |
| 483 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 484 | mStagingProperties.setScaledSize(scaledWidth, scaledHeight); |
Florin Malita | 777bf85 | 2016-02-03 10:48:55 -0500 | [diff] [blame] | 485 | int saveCount = outCanvas->save(SaveFlags::MatrixClip); |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 486 | outCanvas->translate(bounds.fLeft, bounds.fTop); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 487 | |
| 488 | // Handle RTL mirroring. |
| 489 | if (needsMirroring) { |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 490 | outCanvas->translate(bounds.width(), 0); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 491 | outCanvas->scale(-1.0f, 1.0f); |
| 492 | } |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 493 | mStagingProperties.setColorFilter(colorFilter); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 494 | |
| 495 | // At this point, canvas has been translated to the right position. |
| 496 | // And we use this bound for the destination rect for the drawBitmap, so |
| 497 | // we offset to (0, 0); |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 498 | SkRect tmpBounds = bounds; |
| 499 | tmpBounds.offsetTo(0, 0); |
| 500 | mStagingProperties.setBounds(tmpBounds); |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 501 | outCanvas->drawVectorDrawable(this); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 502 | outCanvas->restoreToCount(saveCount); |
| 503 | } |
| 504 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 505 | void Tree::drawStaging(Canvas* outCanvas) { |
| 506 | bool redrawNeeded = allocateBitmapIfNeeded(&mStagingCache.bitmap, |
| 507 | mStagingProperties.getScaledWidth(), mStagingProperties.getScaledHeight()); |
| 508 | // draw bitmap cache |
| 509 | if (redrawNeeded || mStagingCache.dirty) { |
| 510 | updateBitmapCache(&mStagingCache.bitmap, true); |
| 511 | mStagingCache.dirty = false; |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 512 | } |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 513 | |
| 514 | SkPaint tmpPaint; |
| 515 | SkPaint* paint = updatePaint(&tmpPaint, &mStagingProperties); |
| 516 | outCanvas->drawBitmap(mStagingCache.bitmap, 0, 0, |
| 517 | mStagingCache.bitmap.width(), mStagingCache.bitmap.height(), |
| 518 | mStagingProperties.getBounds().left(), mStagingProperties.getBounds().top(), |
| 519 | mStagingProperties.getBounds().right(), mStagingProperties.getBounds().bottom(), paint); |
| 520 | } |
| 521 | |
| 522 | SkPaint* Tree::getPaint() { |
| 523 | return updatePaint(&mPaint, &mProperties); |
| 524 | } |
| 525 | |
| 526 | // Update the given paint with alpha and color filter. Return nullptr if no color filter is |
| 527 | // specified and root alpha is 1. Otherwise, return updated paint. |
| 528 | SkPaint* Tree::updatePaint(SkPaint* outPaint, TreeProperties* prop) { |
| 529 | if (prop->getRootAlpha() == 1.0f && prop->getColorFilter() == nullptr) { |
| 530 | return nullptr; |
| 531 | } else { |
| 532 | outPaint->setColorFilter(mStagingProperties.getColorFilter()); |
| 533 | outPaint->setFilterQuality(kLow_SkFilterQuality); |
| 534 | outPaint->setAlpha(prop->getRootAlpha() * 255); |
| 535 | return outPaint; |
| 536 | } |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 537 | } |
| 538 | |
Doris Liu | 766431a | 2016-02-04 22:17:11 +0000 | [diff] [blame] | 539 | const SkBitmap& Tree::getBitmapUpdateIfDirty() { |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 540 | bool redrawNeeded = allocateBitmapIfNeeded(&mCache.bitmap, mProperties.getScaledWidth(), |
| 541 | mProperties.getScaledHeight()); |
| 542 | if (redrawNeeded || mCache.dirty) { |
| 543 | updateBitmapCache(&mCache.bitmap, false); |
| 544 | mCache.dirty = false; |
| 545 | } |
| 546 | return mCache.bitmap; |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 547 | } |
| 548 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 549 | void Tree::updateBitmapCache(SkBitmap* outCache, bool useStagingData) { |
| 550 | outCache->eraseColor(SK_ColorTRANSPARENT); |
| 551 | SkCanvas outCanvas(*outCache); |
| 552 | float viewportWidth = useStagingData ? |
| 553 | mStagingProperties.getViewportWidth() : mProperties.getViewportWidth(); |
| 554 | float viewportHeight = useStagingData ? |
| 555 | mStagingProperties.getViewportHeight() : mProperties.getViewportHeight(); |
| 556 | float scaleX = outCache->width() / viewportWidth; |
| 557 | float scaleY = outCache->height() / viewportHeight; |
| 558 | mRootNode->draw(&outCanvas, SkMatrix::I(), scaleX, scaleY, useStagingData); |
| 559 | } |
| 560 | |
| 561 | bool Tree::allocateBitmapIfNeeded(SkBitmap* outCache, int width, int height) { |
| 562 | if (!canReuseBitmap(*outCache, width, height)) { |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 563 | SkImageInfo info = SkImageInfo::Make(width, height, |
| 564 | kN32_SkColorType, kPremul_SkAlphaType); |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 565 | outCache->setInfo(info); |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 566 | // TODO: Count the bitmap cache against app's java heap |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 567 | outCache->allocPixels(info); |
| 568 | return true; |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 569 | } |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 570 | return false; |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 571 | } |
| 572 | |
Doris Liu | 1d8e194 | 2016-03-02 15:16:28 -0800 | [diff] [blame] | 573 | bool Tree::canReuseBitmap(const SkBitmap& bitmap, int width, int height) { |
| 574 | return width == bitmap.width() && height == bitmap.height(); |
| 575 | } |
| 576 | |
| 577 | void Tree::onPropertyChanged(TreeProperties* prop) { |
| 578 | if (prop == &mStagingProperties) { |
| 579 | mStagingCache.dirty = true; |
| 580 | } else { |
| 581 | mCache.dirty = true; |
| 582 | } |
Doris Liu | 4bbc293 | 2015-12-01 17:59:40 -0800 | [diff] [blame] | 583 | } |
| 584 | |
| 585 | }; // namespace VectorDrawable |
| 586 | |
| 587 | }; // namespace uirenderer |
| 588 | }; // namespace android |