OLD | NEW |
---|---|
(Empty) | |
1 | |
2 /* | |
3 * Copyright 2013 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 */ | |
8 | |
9 #ifdef SAMPLE_PDF_FILE_VIEWER | |
10 | |
11 #include "SampleCode.h" | |
12 #include "SkDumpCanvas.h" | |
13 #include "SkView.h" | |
14 #include "SkCanvas.h" | |
15 #include "Sk64.h" | |
16 #include "SkGradientShader.h" | |
17 #include "SkGraphics.h" | |
18 #include "SkImageDecoder.h" | |
19 #include "SkOSFile.h" | |
20 #include "SkPath.h" | |
21 #include "SkPicture.h" | |
22 #include "SkRandom.h" | |
23 #include "SkRegion.h" | |
24 #include "SkShader.h" | |
25 #include "SkUtils.h" | |
26 #include "SkColorPriv.h" | |
27 #include "SkColorFilter.h" | |
28 #include "SkTime.h" | |
29 #include "SkTypeface.h" | |
30 #include "SkXfermode.h" | |
31 | |
32 #include "SkPdfParser.h" | |
33 | |
34 class PdfFileViewer : public SampleView { | |
35 SkString fFilename; | |
36 SkPicture* fPicture; // TODO(edisonn): multiple pages, one page / picture, make it an array | |
37 | |
38 static SkPicture* LoadPdf(const char path[]) { | |
39 SkPicture* pic = NULL; | |
40 | |
41 SkPdfDoc doc(path); | |
vandebo (ex-Chrome)
2013/06/26 21:58:36
We now have SkPDFDocument and SkPdfDoc? That's no
edisonn
2013/07/02 23:20:33
Renamed to SkPodofoParsedPDF
There will be a SkNa
| |
42 if (doc.pages()) { | |
43 pic = SkNEW(SkPicture); | |
44 SkCanvas* canvas = pic->beginRecording((int)doc.width(0), (int)doc.h eight(0)); | |
45 doc.drawPage(0, canvas); | |
46 pic->endRecording(); | |
47 } | |
48 return pic; | |
49 } | |
50 | |
51 public: | |
52 PdfFileViewer(const char name[] = NULL) : fFilename(name) { | |
53 fPicture = NULL; | |
54 } | |
55 | |
56 virtual ~PdfFileViewer() { | |
57 SkSafeUnref(fPicture); | |
58 } | |
59 | |
60 protected: | |
61 // overrides from SkEventSink | |
62 virtual bool onQuery(SkEvent* evt) { | |
63 if (SampleCode::TitleQ(*evt)) { | |
64 SkString name("P:"); | |
65 const char* basename = strrchr(fFilename.c_str(), SkPATH_SEPARATOR); | |
66 name.append(basename ? basename+1: fFilename.c_str()); | |
67 SampleCode::TitleR(evt, name.c_str()); | |
68 return true; | |
69 } | |
70 return this->INHERITED::onQuery(evt); | |
71 } | |
72 | |
73 virtual bool onEvent(const SkEvent& evt) { | |
74 // TODO(edisonn): add here event handlers to disable clipping, or to sho w helpful info | |
75 // like pdf object from click, ... | |
76 // TODO(edisonn): first, next, prev, last page navigation + slideshow | |
77 return this->INHERITED::onEvent(evt); | |
78 } | |
79 | |
80 virtual void onDrawContent(SkCanvas* canvas) { | |
81 if (!fPicture) { | |
82 fPicture = LoadPdf(fFilename.c_str()); | |
83 } | |
84 if (fPicture) { | |
85 canvas->drawPicture(*fPicture); | |
86 } | |
87 } | |
88 | |
89 private: | |
90 typedef SampleView INHERITED; | |
91 }; | |
92 | |
93 SampleView* CreateSamplePdfFileViewer(const char filename[]); | |
94 SampleView* CreateSamplePdfFileViewer(const char filename[]) { | |
95 return new PdfFileViewer(filename); | |
96 } | |
97 | |
98 ////////////////////////////////////////////////////////////////////////////// | |
99 | |
100 #if 0 | |
101 static SkView* MyFactory() { return new PdfFileViewer; } | |
102 static SkViewRegister reg(MyFactory); | |
103 #endif | |
104 | |
105 #endif // SAMPLE_PDF_FILE_VIEWER | |
OLD | NEW |