d3e474e20c
Chrome will need -DSK_SUPPORT_LEGACY_PICTURE_CLONE. This removes the modes from our tools that use clone(). No bots run these. DM used clone() in a way that we can just share the picture now. I plan to bring back the ability to test multithreaded picture rendering soon. BUG=skia:2378 R=robertphillips@google.com, mtklein@google.com, bsalomon@google.com Author: mtklein@chromium.org Review URL: https://codereview.chromium.org/338633011
102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
/*
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* Copyright 2014 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 "DMPDFTask.h"
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#include "DMPDFRasterizeTask.h"
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#include "DMUtil.h"
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#include "DMWriteTask.h"
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#include "SkCommandLineFlags.h"
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#include "SkDocument.h"
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// The PDF backend is not threadsafe. If you run dm with --pdf repeatedly, you
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// will quickly find yourself crashed. (while catchsegv out/Release/dm;; end).
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//
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// TODO(mtklein): re-enable by default, maybe moving to its own single thread.
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DEFINE_bool(pdf, false, "PDF backend master switch.");
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namespace DM {
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PDFTask::PDFTask(const char* config,
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Reporter* reporter,
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TaskRunner* taskRunner,
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skiagm::GMRegistry::Factory factory,
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RasterizePdfProc rasterizePdfProc)
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: CpuTask(reporter, taskRunner)
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, fGM(factory(NULL))
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, fName(UnderJoin(fGM->getName(), config))
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, fRasterize(rasterizePdfProc) {}
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PDFTask::PDFTask(Reporter* reporter,
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TaskRunner* taskRunner,
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const SkPicture* picture,
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SkString filename,
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RasterizePdfProc rasterizePdfProc)
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: CpuTask(reporter, taskRunner)
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, fPicture(SkRef(picture))
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, fName(UnderJoin(FileToTaskName(filename).c_str(), "pdf"))
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, fRasterize(rasterizePdfProc) {}
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namespace {
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class SinglePagePDF {
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public:
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SinglePagePDF(SkScalar width, SkScalar height)
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: fDocument(SkDocument::CreatePDF(&fWriteStream))
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, fCanvas(fDocument->beginPage(width, height)) {}
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SkCanvas* canvas() { return fCanvas; }
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SkData* end() {
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fCanvas->flush();
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fDocument->endPage();
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fDocument->close();
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return fWriteStream.copyToData();
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}
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private:
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SkDynamicMemoryWStream fWriteStream;
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SkAutoTUnref<SkDocument> fDocument;
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SkCanvas* fCanvas;
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};
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} // namespace
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void PDFTask::draw() {
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SkAutoTUnref<SkData> pdfData;
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bool rasterize = true;
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if (fGM.get()) {
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rasterize = 0 == (fGM->getFlags() & skiagm::GM::kSkipPDFRasterization_Flag);
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SinglePagePDF pdf(fGM->width(), fGM->height());
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//TODO(mtklein): GM doesn't do this. Why not?
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//pdf.canvas()->concat(fGM->getInitialTransform());
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fGM->draw(pdf.canvas());
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pdfData.reset(pdf.end());
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} else {
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SinglePagePDF pdf(SkIntToScalar(fPicture->width()), SkIntToScalar(fPicture->height()));
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fPicture->draw(pdf.canvas());
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pdfData.reset(pdf.end());
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}
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SkASSERT(pdfData.get());
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if (rasterize) {
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this->spawnChild(SkNEW_ARGS(PDFRasterizeTask, (*this, pdfData.get(), fRasterize)));
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}
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this->spawnChild(SkNEW_ARGS(WriteTask, (*this, pdfData.get(), ".pdf")));
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}
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bool PDFTask::shouldSkip() const {
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if (!FLAGS_pdf) {
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return true;
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}
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if (fGM.get() && 0 != (fGM->getFlags() & skiagm::GM::kSkipPDF_Flag)) {
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return true;
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}
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return false;
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}
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} // namespace DM
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