зеркало из https://github.com/mozilla/moz-skia.git
74 строки
1.6 KiB
C++
74 строки
1.6 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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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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bool PdfRenderer::write(const SkString& path) const {
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SkPDFDocument doc;
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doc.appendPage(fPDFDevice);
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SkFILEWStream stream(path.c_str());
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if (stream.isValid()) {
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doc.emitPDF(&stream);
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return true;
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}
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return false;
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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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