robertphillips | 7eacd77 | 2014-08-21 13:12:42 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 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 | |
| 8 | #include "SkCanvas.h" |
| 9 | #include "SkMultiPictureDraw.h" |
| 10 | #include "SkPicture.h" |
| 11 | |
| 12 | SkMultiPictureDraw::SkMultiPictureDraw(int reserve) { |
| 13 | if (reserve > 0) { |
| 14 | fDrawData.setReserve(reserve); |
| 15 | } |
| 16 | } |
| 17 | |
| 18 | void SkMultiPictureDraw::reset() { |
| 19 | for (int i = 0; i < fDrawData.count(); ++i) { |
| 20 | fDrawData[i].picture->unref(); |
| 21 | fDrawData[i].canvas->unref(); |
| 22 | SkDELETE(fDrawData[i].paint); |
| 23 | } |
| 24 | |
| 25 | fDrawData.rewind(); |
| 26 | } |
| 27 | |
| 28 | void SkMultiPictureDraw::add(SkCanvas* canvas, |
| 29 | const SkPicture* picture, |
| 30 | const SkMatrix* matrix, |
| 31 | const SkPaint* paint) { |
| 32 | if (NULL == canvas || NULL == picture) { |
| 33 | SkDEBUGFAIL("parameters to SkMultiPictureDraw::add should be non-NULL"); |
| 34 | return; |
| 35 | } |
| 36 | |
| 37 | DrawData* data = fDrawData.append(); |
| 38 | |
| 39 | data->picture = SkRef(picture); |
| 40 | data->canvas = SkRef(canvas); |
| 41 | if (NULL != matrix) { |
| 42 | data->matrix = *matrix; |
| 43 | } else { |
| 44 | data->matrix.setIdentity(); |
| 45 | } |
| 46 | if (NULL != paint) { |
| 47 | data->paint = SkNEW_ARGS(SkPaint, (*paint)); |
| 48 | } else { |
| 49 | data->paint = NULL; |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | void SkMultiPictureDraw::draw() { |
| 54 | for (int i = 0; i < fDrawData.count(); ++i) { |
| 55 | fDrawData[i].canvas->drawPicture(fDrawData[i].picture, |
| 56 | &fDrawData[i].matrix, |
| 57 | fDrawData[i].paint); |
| 58 | } |
| 59 | |
| 60 | this->reset(); |
| 61 | } |
| 62 | |