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pdfviewer: add option to run the load or render multiple times, --benchLoad, --benchRender

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Review URL: https://codereview.chromium.org/18093008

git-svn-id: http://skia.googlecode.com/svn/trunk@10013 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
edisonn@google.com 2013-07-11 16:25:51 +00:00
parent de36b69481
commit 6a9d436260
2 changed files with 39 additions and 19 deletions
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5
experimental/PdfViewer/SkPdfRenderer.cpp
View File

@ -2003,6 +2003,10 @@ bool SkPdfRenderer::load(const SkString inputFileName) {
// TODO(edisonn): create static function that could return NULL if there are errors
fPdfDoc = new SkNativeParsedPDF(inputFileName.c_str());
if (fPdfDoc->pages() == 0) {
delete fPdfDoc;
fPdfDoc = NULL;
}
return fPdfDoc != NULL;
}
@ -2024,4 +2028,3 @@ SkRect SkPdfRenderer::MediaBox(int page) const {
size_t SkPdfRenderer::bytesUsed() const {
return fPdfDoc ? fPdfDoc->bytesUsed() : 0;
}

53
experimental/PdfViewer/pdf_viewer_main.cpp
View File

@ -25,8 +25,12 @@ DEFINE_string2(pages, p, "all", "What pages to render and how:\n"
"\tnumber - a specific page number\n"
);
DEFINE_double(DPI, 72, "DPI to be used for rendering (scale).");
DEFINE_int32(benchLoad, 0, "Load the pdf file minimally N times, without any rendering and \n"
"\tminimal parsing to ensure correctness. Default 0 (disabled).");
DEFINE_int32(benchRender, 0, "Render the pdf content N times. Default 0 (disabled)");
// TODO(edisonn): add config for device target(gpu, raster, pdf), + ability not to render at all
// TODO(edisonn): add ability to do the op N times, bench (either load N times, render n times or load + render n times)
/**
* Given list of directories and files to use as input, expects to find .pdf
@ -160,31 +164,44 @@ static bool process_pdf(const SkString& inputPath, const SkString& outputDir,
bool success = false;
success = renderer.load(inputPath);
if (FLAGS_showMemoryUsage) {
SkDebugf("Memory usage after load: %u\n", (unsigned int)renderer.bytesUsed());
}
// TODO(edisonn): bench timers
if (FLAGS_benchLoad > 0) {
for (int i = 0 ; i < FLAGS_benchLoad; i++) {
success = renderer.load(inputPath);
if (FLAGS_showMemoryUsage) {
SkDebugf("Memory usage after load %i number : %u\n", i, (unsigned int)renderer.bytesUsed());
}
}
}
if (success) {
if (FLAGS_showMemoryUsage) {
SkDebugf("Memory usage after load: %u\n", (unsigned int)renderer.bytesUsed());
}
if (!renderer.pages())
{
SkDebugf("ERROR: Empty PDF Document %s\n", inputPath.c_str());
return false;
} else {
if (strcmp(FLAGS_pages[0], "all") == 0) {
for (int pn = 0; pn < renderer.pages(); ++pn) {
success = render_page(outputDir, inputFilename, renderer, FLAGS_noExtensionForOnePagePdf && renderer.pages() == 1 ? -1 : pn) && success;
for (int i = 0; i < FLAGS_benchRender + 1; i++) {
// TODO(edisonn) if (i == 1) start timer
if (strcmp(FLAGS_pages[0], "all") == 0) {
for (int pn = 0; pn < renderer.pages(); ++pn) {
success = render_page(outputDir, inputFilename, renderer, FLAGS_noExtensionForOnePagePdf && renderer.pages() == 1 ? -1 : pn) && success;
}
} else if (strcmp(FLAGS_pages[0], "reverse") == 0) {
for (int pn = renderer.pages() - 1; pn >= 0; --pn) {
success = render_page(outputDir, inputFilename, renderer, FLAGS_noExtensionForOnePagePdf && renderer.pages() == 1 ? -1 : pn) && success;
}
} else if (strcmp(FLAGS_pages[0], "first") == 0) {
success = render_page(outputDir, inputFilename, renderer, FLAGS_noExtensionForOnePagePdf && renderer.pages() == 1 ? -1 : 0) && success;
} else if (strcmp(FLAGS_pages[0], "last") == 0) {
success = render_page(outputDir, inputFilename, renderer, FLAGS_noExtensionForOnePagePdf && renderer.pages() == 1 ? -1 : renderer.pages() - 1) && success;
} else {
int pn = atoi(FLAGS_pages[0]);
success = render_page(outputDir, inputFilename, renderer, FLAGS_noExtensionForOnePagePdf && renderer.pages() == 1 ? -1 : renderer.pages() - 1) && pn;
}
} else if (strcmp(FLAGS_pages[0], "reverse") == 0) {
for (int pn = renderer.pages() - 1; pn >= 0; --pn) {
success = render_page(outputDir, inputFilename, renderer, FLAGS_noExtensionForOnePagePdf && renderer.pages() == 1 ? -1 : pn) && success;
}
} else if (strcmp(FLAGS_pages[0], "first") == 0) {
success = render_page(outputDir, inputFilename, renderer, FLAGS_noExtensionForOnePagePdf && renderer.pages() == 1 ? -1 : 0) && success;
} else if (strcmp(FLAGS_pages[0], "last") == 0) {
success = render_page(outputDir, inputFilename, renderer, FLAGS_noExtensionForOnePagePdf && renderer.pages() == 1 ? -1 : renderer.pages() - 1) && success;
} else {
int pn = atoi(FLAGS_pages[0]);
success = render_page(outputDir, inputFilename, renderer, FLAGS_noExtensionForOnePagePdf && renderer.pages() == 1 ? -1 : renderer.pages() - 1) && pn;
}
}
}