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Unified Diff: dm/DMPDFTask.cpp

Issue 853883004: Revert of Sketch DM refactor. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 5 years, 11 months ago
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Index: dm/DMPDFTask.cpp
diff --git a/dm/DMPDFTask.cpp b/dm/DMPDFTask.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..3102478c2fe5af2fb92bd568da1fed0bb413c284
--- /dev/null
+++ b/dm/DMPDFTask.cpp
@@ -0,0 +1,106 @@
+/*
+ * 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());
+ CanvasPreflight(pdf.canvas());
+ //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());
+ CanvasPreflight(pdf.canvas());
+ fPicture->playback(pdf.canvas());
+ pdfData.reset(pdf.end());
+ }
+
+ SkASSERT(pdfData.get());
+ if (rasterize) {
+ this->spawnChild(SkNEW_ARGS(PDFRasterizeTask,
+ (*this, pdfData->duplicate(), fRasterize)));
+ }
+ const char* sourceType = fGM.get() ? "GM" : "SKP";
+ this->spawnChild(SkNEW_ARGS(WriteTask,
+ (*this, sourceType, 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
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