aboutsummaryrefslogtreecommitdiffhomepage
path: root/bench/PDFBench.cpp
diff options
context:
space:
mode:
authorGravatar halcanary <halcanary@google.com>2016-02-24 09:25:58 -0800
committerGravatar Commit bot <commit-bot@chromium.org>2016-02-24 09:25:58 -0800
commit1abea462c80249e9e0ad9d25832051f7d9ae818a (patch)
tree6fc2794af7ba6a22c6269a2f400f0f3815a0964e /bench/PDFBench.cpp
parentb8d864902b4c9e893cbdc62eb77c4d49416a2bc1 (diff)
SkPDF/Bench: add bench for SkPDFCreateBitmapObject
Diffstat (limited to 'bench/PDFBench.cpp')
-rw-r--r--bench/PDFBench.cpp120
1 files changed, 120 insertions, 0 deletions
diff --git a/bench/PDFBench.cpp b/bench/PDFBench.cpp
new file mode 100644
index 0000000000..8b9eb520dc
--- /dev/null
+++ b/bench/PDFBench.cpp
@@ -0,0 +1,120 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "Benchmark.h"
+#include "Resources.h"
+#include "SkImage.h"
+#include "SkPixmap.h"
+#include "SkData.h"
+
+#if SK_SUPPORT_PDF
+
+#include "SkPDFBitmap.h"
+
+namespace {
+struct NullWStream : public SkWStream {
+ NullWStream() : fN(0) {}
+ bool write(const void*, size_t n) override { fN += n; return true; }
+ size_t bytesWritten() const override { return fN; }
+ size_t fN;
+};
+
+static void test_pdf_image_serialization(SkImage* img) {
+ SkAutoTUnref<SkPDFObject> object(
+ SkPDFCreateBitmapObject(img, nullptr));
+ if (!object) {
+ SkDEBUGFAIL("");
+ return;
+ }
+ // SkDebugWStream wStream;
+ NullWStream wStream;
+ SkPDFSubstituteMap substitutes;
+ SkPDFObjNumMap objNumMap;
+ objNumMap.addObjectRecursively(object, substitutes);
+ for (int i = 0; i < objNumMap.objects().count(); ++i) {
+ SkPDFObject* object = objNumMap.objects()[i];
+ wStream.writeDecAsText(i + 1);
+ wStream.writeText(" 0 obj\n");
+ object->emitObject(&wStream, objNumMap, substitutes);
+ wStream.writeText("\nendobj\n");
+ }
+}
+
+class PDFImageBench : public Benchmark {
+public:
+ PDFImageBench() {}
+ virtual ~PDFImageBench() {}
+
+protected:
+ const char* onGetName() override { return "PDFImage"; }
+ bool isSuitableFor(Backend backend) override {
+ return backend == kNonRendering_Backend;
+ }
+ void onDelayedSetup() override {
+ SkAutoTUnref<SkImage> img(GetResourceAsImage("color_wheel.png"));
+ if (img) {
+ // force decoding, throw away reference to encoded data.
+ SkAutoPixmapStorage pixmap;
+ pixmap.alloc(SkImageInfo::MakeN32Premul(img->dimensions()));
+ if (img->readPixels(pixmap, 0, 0)) {
+ fImage.reset(SkImage::NewRasterCopy(
+ pixmap.info(), pixmap.addr(),
+ pixmap.rowBytes(), pixmap.ctable()));
+ }
+ }
+ }
+ void onDraw(int loops, SkCanvas*) override {
+ if (!fImage) {
+ return;
+ }
+ while (loops-- > 0) {
+ test_pdf_image_serialization(fImage);
+ }
+ }
+
+private:
+ SkAutoTUnref<SkImage> fImage;
+};
+
+class PDFJpegImageBench : public Benchmark {
+public:
+ PDFJpegImageBench() {}
+ virtual ~PDFJpegImageBench() {}
+
+protected:
+ const char* onGetName() override { return "PDFJpegImage"; }
+ bool isSuitableFor(Backend backend) override {
+ return backend == kNonRendering_Backend;
+ }
+ void onDelayedSetup() override {
+ SkAutoTUnref<SkImage> img(
+ GetResourceAsImage("mandrill_512_q075.jpg"));
+ if (!img) { return; }
+ SkAutoTUnref<SkData> encoded(img->refEncoded());
+ SkASSERT(encoded);
+ if (!encoded) { return; }
+ fImage.reset(img.release());
+ }
+ void onDraw(int loops, SkCanvas*) override {
+ if (!fImage) {
+ SkDEBUGFAIL("");
+ return;
+ }
+ while (loops-- > 0) {
+ test_pdf_image_serialization(fImage);
+ }
+ }
+
+private:
+ SkAutoTUnref<SkImage> fImage;
+};
+
+} // namespace
+DEF_BENCH(return new PDFImageBench;)
+DEF_BENCH(return new PDFJpegImageBench;)
+
+#endif // SK_SUPPORT_PDF