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" |
| 9 | |
| 10 | SkGroupShape::SkGroupShape() {} |
| 11 | |
| 12 | SkGroupShape::~SkGroupShape() { |
| 13 | this->removeAllShapes(); |
| 14 | } |
| 15 | |
| 16 | int SkGroupShape::countShapes() const { |
| 17 | return fList.count(); |
| 18 | } |
| 19 | |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 20 | SkShape* SkGroupShape::getShape(int index, SkMatrixRef** mr) const { |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 21 | if ((unsigned)index < (unsigned)fList.count()) { |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 22 | const Rec& rec = fList[index]; |
| 23 | if (mr) { |
| 24 | *mr = rec.fMatrixRef; |
| 25 | } |
| 26 | return rec.fShape; |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 27 | } |
| 28 | return NULL; |
| 29 | } |
| 30 | |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 31 | void SkGroupShape::addShape(int index, SkShape* shape, SkMatrixRef* mr) { |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 32 | int count = fList.count(); |
| 33 | if (NULL == shape || index < 0 || index > count) { |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 34 | return; |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 35 | } |
| 36 | |
| 37 | shape->ref(); |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 38 | SkMatrixRef::SafeRef(mr); |
| 39 | |
| 40 | Rec* rec; |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 41 | if (index == count) { |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 42 | rec = fList.append(); |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 43 | } else { |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 44 | rec = fList.insert(index); |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 45 | } |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 46 | rec->fShape = shape; |
| 47 | rec->fMatrixRef = mr; |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 48 | } |
| 49 | |
| 50 | void SkGroupShape::removeShape(int index) { |
| 51 | if ((unsigned)index < (unsigned)fList.count()) { |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 52 | Rec& rec = fList[index]; |
| 53 | rec.fShape->unref(); |
| 54 | SkMatrixRef::SafeUnref(rec.fMatrixRef); |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 55 | fList.remove(index); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | void SkGroupShape::removeAllShapes() { |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 60 | Rec* rec = fList.begin(); |
| 61 | Rec* stop = fList.end(); |
| 62 | while (rec < stop) { |
| 63 | rec->fShape->unref(); |
| 64 | SkMatrixRef::SafeUnref(rec->fMatrixRef); |
| 65 | rec++; |
| 66 | } |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 67 | fList.reset(); |
| 68 | } |
| 69 | |
| 70 | /////////////////////////////////////////////////////////////////////////////// |
| 71 | |
| 72 | void SkGroupShape::onDraw(SkCanvas* canvas) { |
reed@android.com | f48f281 | 2009-05-18 04:20:55 +0000 | [diff] [blame] | 73 | const Rec* rec = fList.begin(); |
| 74 | const Rec* stop = fList.end(); |
| 75 | while (rec < stop) { |
| 76 | SkShape* shape = rec->fShape; |
| 77 | if (rec->fMatrixRef) { |
| 78 | shape->drawMatrix(canvas, *rec->fMatrixRef); |
| 79 | } else { |
| 80 | shape->draw(canvas); |
| 81 | } |
| 82 | rec++; |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 83 | } |
| 84 | } |
| 85 | |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 86 | void SkGroupShape::flatten(SkFlattenableWriteBuffer& buffer) { |
| 87 | this->INHERITED::flatten(buffer); |
| 88 | |
| 89 | int count = fList.count(); |
| 90 | buffer.write32(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); |
| 95 | if (rec->fMatrixRef) { |
reed@android.com | 4b7577b | 2009-06-29 16:14:41 +0000 | [diff] [blame] | 96 | char storage[SkMatrix::kMaxFlattenSize]; |
reed@android.com | 0ad336f | 2009-06-29 16:02:20 +0000 | [diff] [blame] | 97 | uint32_t size = rec->fMatrixRef->flatten(storage); |
| 98 | buffer.write32(size); |
| 99 | buffer.writePad(storage, size); |
| 100 | } else { |
| 101 | buffer.write32(0); |
| 102 | } |
| 103 | rec += 1; |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 104 | } |
| 105 | } |
| 106 | |
| 107 | SkGroupShape::SkGroupShape(SkFlattenableReadBuffer& buffer) : INHERITED(buffer){ |
| 108 | int count = buffer.readS32(); |
| 109 | for (int i = 0; i < count; i++) { |
reed@android.com | 0ad336f | 2009-06-29 16:02:20 +0000 | [diff] [blame] | 110 | SkShape* shape = reinterpret_cast<SkShape*>(buffer.readFlattenable()); |
| 111 | SkMatrixRef* mr = NULL; |
| 112 | uint32_t size = buffer.readS32(); |
| 113 | if (size) { |
reed@android.com | 4b7577b | 2009-06-29 16:14:41 +0000 | [diff] [blame] | 114 | char storage[SkMatrix::kMaxFlattenSize]; |
reed@android.com | 0ad336f | 2009-06-29 16:02:20 +0000 | [diff] [blame] | 115 | buffer.read(storage, SkAlign4(size)); |
| 116 | mr = SkNEW(SkMatrixRef); |
| 117 | mr->unflatten(storage); |
| 118 | } |
| 119 | if (shape) { |
| 120 | this->appendShape(shape, mr)->unref(); |
| 121 | } |
| 122 | SkSafeUnref(mr); |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 123 | } |
| 124 | } |
| 125 | |
caryclark@google.com | d26147a | 2011-12-15 14:16:43 +0000 | [diff] [blame] | 126 | SK_DEFINE_FLATTENABLE_REGISTRAR(SkGroupShape) |
reed@android.com | 0ad336f | 2009-06-29 16:02:20 +0000 | [diff] [blame] | 127 | |