Home | History | Annotate | Download | only in tools 
      1 /*
      2  * Copyright 2012 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 "PdfRenderer.h"
      9 #include "SkCanvas.h"
     10 #include "SkDevice.h"
     11 #include "SkPDFDevice.h"
     12 #include "SkPDFDocument.h"
     13 
     14 namespace sk_tools {
     15 
     16 void PdfRenderer::init(SkPicture* pict, SkWStream* stream) {
     17     SkASSERT(NULL == fPicture);
     18     SkASSERT(NULL == fCanvas.get());
     19     if (fPicture != NULL || NULL != fCanvas.get()) {
     20         return;
     21     }
     22 
     23     SkASSERT(pict != NULL);
     24     if (NULL == pict) {
     25         return;
     26     }
     27 
     28     fPicture = pict;
     29     fCanvas.reset(this->setupCanvas(stream, pict->width(), pict->height()));
     30 }
     31 
     32 SkCanvas* PdfRenderer::setupCanvas(SkWStream* stream, int width, int height) {
     33     fPdfDoc.reset(SkDocument::CreatePDF(stream, NULL, fEncoder));
     34 
     35     SkCanvas* canvas = fPdfDoc->beginPage(SkIntToScalar(width), SkIntToScalar(height));
     36     canvas->ref();
     37 
     38     return canvas;
     39 }
     40 
     41 void PdfRenderer::end() {
     42     fPicture = NULL;
     43     fCanvas.reset(NULL);
     44     fPdfDoc.reset(NULL);
     45 }
     46 
     47 bool SimplePdfRenderer::render() {
     48     SkASSERT(fCanvas.get() != NULL);
     49     SkASSERT(fPicture != NULL);
     50     if (NULL == fCanvas.get() || NULL == fPicture) {
     51         return false;
     52     }
     53 
     54     fCanvas->drawPicture(*fPicture);
     55     fCanvas->flush();
     56 
     57     return fPdfDoc->close();
     58 }
     59 
     60 }
     61