d9dfa18372
This change will reduce the size of PDFs to 50% (in the case of the existing SKPs, we reduce the total size of PDFs from 105MB to 50MB) Review URL: https://codereview.appspot.com/7068055 git-svn-id: http://skia.googlecode.com/svn/trunk@8835 2bbb7eff-a529-9590-31e7-b0007b416f81
70 lines
1.5 KiB
C++
70 lines
1.5 KiB
C++
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "PdfRenderer.h"
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#include "SkCanvas.h"
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#include "SkDevice.h"
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#include "SkPDFDevice.h"
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#include "SkPDFDocument.h"
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namespace sk_tools {
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void PdfRenderer::init(SkPicture* pict) {
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SkASSERT(NULL == fPicture);
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SkASSERT(NULL == fCanvas.get());
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if (fPicture != NULL || NULL != fCanvas.get()) {
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return;
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}
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SkASSERT(pict != NULL);
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if (NULL == pict) {
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return;
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}
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fPicture = pict;
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fCanvas.reset(this->setupCanvas());
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}
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SkCanvas* PdfRenderer::setupCanvas() {
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return this->setupCanvas(fPicture->width(), fPicture->height());
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}
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SkCanvas* PdfRenderer::setupCanvas(int width, int height) {
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SkISize pageSize = SkISize::Make(width, height);
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fPDFDevice = SkNEW_ARGS(SkPDFDevice, (pageSize, pageSize, SkMatrix::I()));
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fPDFDevice->setDCTEncoder(fEncoder);
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return SkNEW_ARGS(SkCanvas, (fPDFDevice));
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}
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void PdfRenderer::end() {
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fPicture = NULL;
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fCanvas.reset(NULL);
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if (fPDFDevice) {
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SkDELETE(fPDFDevice);
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fPDFDevice = NULL;
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}
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}
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void PdfRenderer::write(SkWStream* stream) const {
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SkPDFDocument doc;
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doc.appendPage(fPDFDevice);
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doc.emitPDF(stream);
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}
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void SimplePdfRenderer::render() {
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SkASSERT(fCanvas.get() != NULL);
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SkASSERT(fPicture != NULL);
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if (NULL == fCanvas.get() || NULL == fPicture) {
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return;
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}
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fCanvas->drawPicture(*fPicture);
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fCanvas->flush();
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}
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}
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