reed@google.com | 99ac02b | 2013-06-07 20:30:16 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 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 "SkDocument.h" |
reed@google.com | 99ac02b | 2013-06-07 20:30:16 +0000 | [diff] [blame] | 9 | #include "SkPDFDevice.h" |
commit-bot@chromium.org | b5a6651 | 2013-10-09 21:09:00 +0000 | [diff] [blame] | 10 | #include "SkPDFDocument.h" |
reed@google.com | 99ac02b | 2013-06-07 20:30:16 +0000 | [diff] [blame] | 11 | |
| 12 | class SkDocument_PDF : public SkDocument { |
| 13 | public: |
commit-bot@chromium.org | b5a6651 | 2013-10-09 21:09:00 +0000 | [diff] [blame] | 14 | SkDocument_PDF(SkWStream* stream, void (*doneProc)(SkWStream*), |
| 15 | SkPicture::EncodeBitmap encoder) |
| 16 | : SkDocument(stream, doneProc) |
| 17 | , fEncoder(encoder) { |
reed@google.com | 99ac02b | 2013-06-07 20:30:16 +0000 | [diff] [blame] | 18 | fDoc = SkNEW(SkPDFDocument); |
| 19 | fCanvas = NULL; |
| 20 | fDevice = NULL; |
| 21 | } |
skia.committer@gmail.com | 6319367 | 2013-06-08 07:01:13 +0000 | [diff] [blame] | 22 | |
reed@google.com | 99ac02b | 2013-06-07 20:30:16 +0000 | [diff] [blame] | 23 | virtual ~SkDocument_PDF() { |
| 24 | // subclasses must call close() in their destructors |
| 25 | this->close(); |
| 26 | } |
| 27 | |
| 28 | protected: |
| 29 | virtual SkCanvas* onBeginPage(SkScalar width, SkScalar height, |
| 30 | const SkRect& content) SK_OVERRIDE { |
| 31 | SkASSERT(NULL == fCanvas); |
| 32 | SkASSERT(NULL == fDevice); |
| 33 | |
| 34 | SkISize pageS, contentS; |
| 35 | SkMatrix matrix; |
| 36 | |
| 37 | pageS.set(SkScalarRoundToInt(width), SkScalarRoundToInt(height)); |
| 38 | contentS.set(SkScalarRoundToInt(content.width()), |
| 39 | SkScalarRoundToInt(content.height())); |
| 40 | matrix.setTranslate(content.fLeft, content.fTop); |
| 41 | |
| 42 | fDevice = SkNEW_ARGS(SkPDFDevice, (pageS, contentS, matrix)); |
commit-bot@chromium.org | b5a6651 | 2013-10-09 21:09:00 +0000 | [diff] [blame] | 43 | if (fEncoder) { |
| 44 | fDevice->setDCTEncoder(fEncoder); |
| 45 | } |
reed@google.com | 99ac02b | 2013-06-07 20:30:16 +0000 | [diff] [blame] | 46 | fCanvas = SkNEW_ARGS(SkCanvas, (fDevice)); |
| 47 | return fCanvas; |
| 48 | } |
| 49 | |
| 50 | virtual void onEndPage() SK_OVERRIDE { |
| 51 | SkASSERT(fCanvas); |
| 52 | SkASSERT(fDevice); |
| 53 | |
| 54 | fCanvas->flush(); |
| 55 | fDoc->appendPage(fDevice); |
| 56 | |
| 57 | fCanvas->unref(); |
| 58 | fDevice->unref(); |
| 59 | |
| 60 | fCanvas = NULL; |
| 61 | fDevice = NULL; |
| 62 | } |
| 63 | |
commit-bot@chromium.org | b5a6651 | 2013-10-09 21:09:00 +0000 | [diff] [blame] | 64 | virtual bool onClose(SkWStream* stream) SK_OVERRIDE { |
reed@google.com | 99ac02b | 2013-06-07 20:30:16 +0000 | [diff] [blame] | 65 | SkASSERT(NULL == fCanvas); |
| 66 | SkASSERT(NULL == fDevice); |
| 67 | |
commit-bot@chromium.org | b5a6651 | 2013-10-09 21:09:00 +0000 | [diff] [blame] | 68 | bool success = fDoc->emitPDF(stream); |
| 69 | SkDELETE(fDoc); |
| 70 | fDoc = NULL; |
| 71 | return success; |
| 72 | } |
| 73 | |
| 74 | virtual void onAbort() SK_OVERRIDE { |
reed@google.com | 99ac02b | 2013-06-07 20:30:16 +0000 | [diff] [blame] | 75 | SkDELETE(fDoc); |
| 76 | fDoc = NULL; |
| 77 | } |
| 78 | |
| 79 | private: |
| 80 | SkPDFDocument* fDoc; |
commit-bot@chromium.org | b5a6651 | 2013-10-09 21:09:00 +0000 | [diff] [blame] | 81 | SkPDFDevice* fDevice; |
reed@google.com | 99ac02b | 2013-06-07 20:30:16 +0000 | [diff] [blame] | 82 | SkCanvas* fCanvas; |
commit-bot@chromium.org | b5a6651 | 2013-10-09 21:09:00 +0000 | [diff] [blame] | 83 | SkPicture::EncodeBitmap fEncoder; |
reed@google.com | 99ac02b | 2013-06-07 20:30:16 +0000 | [diff] [blame] | 84 | }; |
| 85 | |
| 86 | /////////////////////////////////////////////////////////////////////////////// |
| 87 | |
commit-bot@chromium.org | b5a6651 | 2013-10-09 21:09:00 +0000 | [diff] [blame] | 88 | SkDocument* SkDocument::CreatePDF(SkWStream* stream, void (*done)(SkWStream*), |
| 89 | SkPicture::EncodeBitmap enc) { |
| 90 | return stream ? SkNEW_ARGS(SkDocument_PDF, (stream, done, enc)) : NULL; |
reed@google.com | 99ac02b | 2013-06-07 20:30:16 +0000 | [diff] [blame] | 91 | } |
| 92 | |
| 93 | static void delete_wstream(SkWStream* stream) { |
| 94 | SkDELETE(stream); |
| 95 | } |
| 96 | |
commit-bot@chromium.org | b5a6651 | 2013-10-09 21:09:00 +0000 | [diff] [blame] | 97 | SkDocument* SkDocument::CreatePDF(const char path[], SkPicture::EncodeBitmap enc) { |
reed@google.com | 99ac02b | 2013-06-07 20:30:16 +0000 | [diff] [blame] | 98 | SkFILEWStream* stream = SkNEW_ARGS(SkFILEWStream, (path)); |
| 99 | if (!stream->isValid()) { |
| 100 | SkDELETE(stream); |
| 101 | return NULL; |
| 102 | } |
commit-bot@chromium.org | b5a6651 | 2013-10-09 21:09:00 +0000 | [diff] [blame] | 103 | return SkNEW_ARGS(SkDocument_PDF, (stream, delete_wstream, enc)); |
reed@google.com | 99ac02b | 2013-06-07 20:30:16 +0000 | [diff] [blame] | 104 | } |