a8d7f0b13c
This paves the way for removing the 'fTile' parameter from SkPictureShader (although that should be a different CL). If we like this we could also move to providing an entire cull SkRect. R=reed@google.com, mtklein@google.com, fmalita@google.com, fmalita@chromium.org Author: robertphillips@google.com Review URL: https://codereview.chromium.org/513983002
104 lines
3.0 KiB
C++
104 lines
3.0 KiB
C++
/*
|
|
* 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 "DMPDFRasterizeTask.h"
|
|
#include "DMUtil.h"
|
|
#include "DMWriteTask.h"
|
|
#include "SkCommandLineFlags.h"
|
|
#include "SkDocument.h"
|
|
|
|
// The PDF backend is not threadsafe. If you run dm with --pdf repeatedly, you
|
|
// will quickly find yourself crashed. (while catchsegv out/Release/dm;; end).
|
|
//
|
|
// TODO(mtklein): re-enable by default, maybe moving to its own single thread.
|
|
DEFINE_bool(pdf, false, "PDF backend master switch.");
|
|
|
|
namespace DM {
|
|
|
|
PDFTask::PDFTask(const char* config,
|
|
Reporter* reporter,
|
|
TaskRunner* taskRunner,
|
|
skiagm::GMRegistry::Factory factory,
|
|
RasterizePdfProc rasterizePdfProc)
|
|
: CpuTask(reporter, taskRunner)
|
|
, fGM(factory(NULL))
|
|
, fName(UnderJoin(fGM->getName(), config))
|
|
, fRasterize(rasterizePdfProc) {}
|
|
|
|
PDFTask::PDFTask(Reporter* reporter,
|
|
TaskRunner* taskRunner,
|
|
const SkPicture* picture,
|
|
SkString filename,
|
|
RasterizePdfProc rasterizePdfProc)
|
|
: CpuTask(reporter, taskRunner)
|
|
, fPicture(SkRef(picture))
|
|
, fName(UnderJoin(FileToTaskName(filename).c_str(), "pdf"))
|
|
, fRasterize(rasterizePdfProc) {}
|
|
|
|
namespace {
|
|
|
|
class SinglePagePDF {
|
|
public:
|
|
SinglePagePDF(SkScalar width, SkScalar height)
|
|
: fDocument(SkDocument::CreatePDF(&fWriteStream))
|
|
, fCanvas(fDocument->beginPage(width, height)) {}
|
|
|
|
SkCanvas* canvas() { return fCanvas; }
|
|
|
|
SkStreamAsset* end() {
|
|
fCanvas->flush();
|
|
fDocument->endPage();
|
|
fDocument->close();
|
|
return fWriteStream.detachAsStream();
|
|
}
|
|
|
|
private:
|
|
SkDynamicMemoryWStream fWriteStream;
|
|
SkAutoTUnref<SkDocument> fDocument;
|
|
SkCanvas* fCanvas;
|
|
};
|
|
|
|
} // namespace
|
|
|
|
void PDFTask::draw() {
|
|
SkAutoTDelete<SkStreamAsset> pdfData;
|
|
bool rasterize = true;
|
|
if (fGM.get()) {
|
|
rasterize = 0 == (fGM->getFlags() & skiagm::GM::kSkipPDFRasterization_Flag);
|
|
SinglePagePDF pdf(fGM->width(), fGM->height());
|
|
//TODO(mtklein): GM doesn't do this. Why not?
|
|
//pdf.canvas()->concat(fGM->getInitialTransform());
|
|
fGM->draw(pdf.canvas());
|
|
pdfData.reset(pdf.end());
|
|
} else {
|
|
SinglePagePDF pdf(fPicture->cullRect().width(), fPicture->cullRect().height());
|
|
fPicture->draw(pdf.canvas());
|
|
pdfData.reset(pdf.end());
|
|
}
|
|
|
|
SkASSERT(pdfData.get());
|
|
if (rasterize) {
|
|
this->spawnChild(SkNEW_ARGS(PDFRasterizeTask,
|
|
(*this, pdfData->duplicate(), fRasterize)));
|
|
}
|
|
this->spawnChild(SkNEW_ARGS(WriteTask,
|
|
(*this, pdfData->duplicate(), ".pdf")));
|
|
}
|
|
|
|
bool PDFTask::shouldSkip() const {
|
|
if (!FLAGS_pdf) {
|
|
return true;
|
|
}
|
|
if (fGM.get() && 0 != (fGM->getFlags() & skiagm::GM::kSkipPDF_Flag)) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
} // namespace DM
|