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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "DMPDFTask.h"
#include "DMExpectationsTask.h"
#include "DMPDFRasterizeTask.h"
#include "DMUtil.h"
#include "DMWriteTask.h"
#include "SkCommandLineFlags.h"
#include "SkDocument.h"
DEFINE_bool(pdf, true, "PDF backend master switch.");
namespace DM {
PDFTask::PDFTask(const char* suffix,
Reporter* reporter,
TaskRunner* taskRunner,
const Expectations& expectations,
skiagm::GMRegistry::Factory factory,
RasterizePdfProc rasterizePdfProc)
: CpuTask(reporter, taskRunner)
, fGM(factory(NULL))
, fName(UnderJoin(fGM->getName(), suffix))
, fExpectations(expectations)
, fRasterize(rasterizePdfProc) {}
namespace {
class SinglePagePDF {
public:
SinglePagePDF(SkScalar width, SkScalar height)
: fDocument(SkDocument::CreatePDF(&fWriteStream))
, fCanvas(fDocument->beginPage(width, height)) {}
SkCanvas* canvas() { return fCanvas; }
SkData* end() {
fCanvas->flush();
fDocument->endPage();
fDocument->close();
return fWriteStream.copyToData();
}
private:
SkDynamicMemoryWStream fWriteStream;
SkAutoTUnref<SkDocument> fDocument;
SkCanvas* fCanvas;
};
} // namespace
void PDFTask::draw() {
SinglePagePDF pdf(fGM->width(), fGM->height());
//TODO(mtklein): GM doesn't do this. Why not?
//pdf.canvas()->concat(fGM->getInitialTransform());
fGM->draw(pdf.canvas());
SkAutoTUnref<SkData> pdfData(pdf.end());
SkASSERT(pdfData.get());
if (!(fGM->getFlags() & skiagm::GM::kSkipPDFRasterization_Flag)) {
this->spawnChild(SkNEW_ARGS(PDFRasterizeTask,
(*this, pdfData.get(), fExpectations, fRasterize)));
}
this->spawnChild(SkNEW_ARGS(WriteTask, (*this, pdfData.get(), ".pdf")));
}
bool PDFTask::shouldSkip() const {
if (!FLAGS_pdf) {
return true;
}
if (fGM->getFlags() & skiagm::GM::kSkipPDF_Flag) {
return true;
}
return false;
}
} // namespace DM
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