epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2011 Google Inc. |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
| 7 | */ |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 8 | #include "SkGroupShape.h" |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 9 | #include "SkFlattenableBuffers.h" |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 10 | |
| 11 | SkGroupShape::SkGroupShape() {} |
| 12 | |
| 13 | SkGroupShape::~SkGroupShape() { |
| 14 | this->removeAllShapes(); |
| 15 | } |
| 16 | |
| 17 | int SkGroupShape::countShapes() const { |
| 18 | return fList.count(); |
| 19 | } |
| 20 | |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 21 | SkShape* SkGroupShape::getShape(int index, SkMatrixRef** mr) const { |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 22 | if ((unsigned)index < (unsigned)fList.count()) { |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 23 | const Rec& rec = fList[index]; |
| 24 | if (mr) { |
| 25 | *mr = rec.fMatrixRef; |
| 26 | } |
| 27 | return rec.fShape; |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 28 | } |
| 29 | return NULL; |
| 30 | } |
| 31 | |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 32 | void SkGroupShape::addShape(int index, SkShape* shape, SkMatrixRef* mr) { |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 33 | int count = fList.count(); |
| 34 | if (NULL == shape || index < 0 || index > count) { |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 35 | return; |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 36 | } |
| 37 | |
| 38 | shape->ref(); |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 39 | SkMatrixRef::SafeRef(mr); |
| 40 | |
| 41 | Rec* rec; |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 42 | if (index == count) { |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 43 | rec = fList.append(); |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 44 | } else { |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 45 | rec = fList.insert(index); |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 46 | } |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 47 | rec->fShape = shape; |
| 48 | rec->fMatrixRef = mr; |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 49 | } |
| 50 | |
| 51 | void SkGroupShape::removeShape(int index) { |
| 52 | if ((unsigned)index < (unsigned)fList.count()) { |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 53 | Rec& rec = fList[index]; |
| 54 | rec.fShape->unref(); |
| 55 | SkMatrixRef::SafeUnref(rec.fMatrixRef); |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 56 | fList.remove(index); |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | void SkGroupShape::removeAllShapes() { |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 61 | Rec* rec = fList.begin(); |
| 62 | Rec* stop = fList.end(); |
| 63 | while (rec < stop) { |
| 64 | rec->fShape->unref(); |
| 65 | SkMatrixRef::SafeUnref(rec->fMatrixRef); |
| 66 | rec++; |
| 67 | } |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 68 | fList.reset(); |
| 69 | } |
| 70 | |
| 71 | /////////////////////////////////////////////////////////////////////////////// |
| 72 | |
| 73 | void SkGroupShape::onDraw(SkCanvas* canvas) { |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 74 | const Rec* rec = fList.begin(); |
| 75 | const Rec* stop = fList.end(); |
| 76 | while (rec < stop) { |
| 77 | SkShape* shape = rec->fShape; |
| 78 | if (rec->fMatrixRef) { |
| 79 | shape->drawMatrix(canvas, *rec->fMatrixRef); |
| 80 | } else { |
| 81 | shape->draw(canvas); |
| 82 | } |
| 83 | rec++; |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 84 | } |
| 85 | } |
| 86 | |
djsollen@google.com | 5492424 | 2012-03-29 15:18:04 +0000 | [diff] [blame] | 87 | void SkGroupShape::flatten(SkFlattenableWriteBuffer& buffer) const { |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 88 | this->INHERITED::flatten(buffer); |
| 89 | |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 90 | buffer.writeInt(fList.count()); |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 91 | const Rec* rec = fList.begin(); |
| 92 | const Rec* stop = fList.end(); |
| 93 | while (rec < stop) { |
reed@android.com | 0ad336f | 2009-06-29 16:02:20 +0000 | [diff] [blame] | 94 | buffer.writeFlattenable(rec->fShape); |
robertphillips@google.com | d414406 | 2012-05-31 15:29:44 +0000 | [diff] [blame] | 95 | buffer.writeBool(NULL != rec->fMatrixRef); |
reed@android.com | 0ad336f | 2009-06-29 16:02:20 +0000 | [diff] [blame] | 96 | if (rec->fMatrixRef) { |
djsollen@google.com | d2700ee | 2012-05-30 16:54:13 +0000 | [diff] [blame] | 97 | buffer.writeMatrix(*rec->fMatrixRef); |
reed@android.com | 0ad336f | 2009-06-29 16:02:20 +0000 | [diff] [blame] | 98 | } |
| 99 | rec += 1; |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 100 | } |
| 101 | } |
| 102 | |
| 103 | SkGroupShape::SkGroupShape(SkFlattenableReadBuffer& buffer) : INHERITED(buffer){ |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 104 | int count = buffer.readInt(); |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 105 | for (int i = 0; i < count; i++) { |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 106 | SkShape* shape = buffer.readFlattenableT<SkShape>(); |
reed@android.com | 0ad336f | 2009-06-29 16:02:20 +0000 | [diff] [blame] | 107 | SkMatrixRef* mr = NULL; |
djsollen@google.com | d2700ee | 2012-05-30 16:54:13 +0000 | [diff] [blame] | 108 | bool hasMatrix = buffer.readBool(); |
| 109 | if (hasMatrix) { |
reed@android.com | 0ad336f | 2009-06-29 16:02:20 +0000 | [diff] [blame] | 110 | mr = SkNEW(SkMatrixRef); |
djsollen@google.com | d2700ee | 2012-05-30 16:54:13 +0000 | [diff] [blame] | 111 | buffer.readMatrix(mr); |
reed@android.com | 0ad336f | 2009-06-29 16:02:20 +0000 | [diff] [blame] | 112 | } |
| 113 | if (shape) { |
| 114 | this->appendShape(shape, mr)->unref(); |
| 115 | } |
| 116 | SkSafeUnref(mr); |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 117 | } |
| 118 | } |
| 119 | |
caryclark@google.com | d26147a | 2011-12-15 14:16:43 +0000 | [diff] [blame] | 120 | SK_DEFINE_FLATTENABLE_REGISTRAR(SkGroupShape) |
reed@android.com | 0ad336f | 2009-06-29 16:02:20 +0000 | [diff] [blame] | 121 | |