skia2/tools/PdfRenderer.cpp

61 lines
1.3 KiB
C++

/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "PdfRenderer.h"
#include "SkCanvas.h"
#include "SkDevice.h"
#include "SkPDFDevice.h"
#include "SkPDFDocument.h"
namespace sk_tools {
void PdfRenderer::init(SkPicture* pict, SkWStream* stream) {
SkASSERT(NULL == fPicture);
SkASSERT(NULL == fCanvas.get());
if (fPicture != NULL || NULL != fCanvas.get()) {
return;
}
SkASSERT(pict != NULL);
if (NULL == pict) {
return;
}
fPicture = pict;
fCanvas.reset(this->setupCanvas(stream, pict->width(), pict->height()));
}
SkCanvas* PdfRenderer::setupCanvas(SkWStream* stream, int width, int height) {
fPdfDoc.reset(SkDocument::CreatePDF(stream, NULL, fEncoder));
SkCanvas* canvas = fPdfDoc->beginPage(SkIntToScalar(width), SkIntToScalar(height));
canvas->ref();
return canvas;
}
void PdfRenderer::end() {
fPicture = NULL;
fCanvas.reset(NULL);
fPdfDoc.reset(NULL);
}
bool SimplePdfRenderer::render() {
SkASSERT(fCanvas.get() != NULL);
SkASSERT(fPicture != NULL);
if (NULL == fCanvas.get() || NULL == fPicture) {
return false;
}
fCanvas->drawPicture(fPicture);
fCanvas->flush();
return fPdfDoc->close();
}
}