--- /dev/null
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkCanvas.h"
+#include "SkDevice.h"
+#include "SkGraphics.h"
+#include "SkOSFile.h"
+#include "SkPicture.h"
+#include "SkStream.h"
+#include "SkTArray.h"
+#include "PdfRenderer.h"
+#include "picture_utils.h"
+
+/**
+ * render_pdfs
+ *
+ * Given list of directories and files to use as input, expects to find .skp
+ * files and it will convert them to .pdf files writing them in the output
+ * directory.
+ *
+ * Returns zero exit code if all .skp files were converted successfully,
+ * otherwise returns error code 1.
+ */
+
+static const char PDF_FILE_EXTENSION[] = "pdf";
+static const char SKP_FILE_EXTENSION[] = "skp";
+
+static void usage(const char* argv0) {
+ SkDebugf("SKP to PDF rendering tool\n");
+ SkDebugf("\n"
+"Usage: \n"
+" %s <input>... <outputDir> \n"
+, argv0);
+ SkDebugf("\n\n");
+ SkDebugf(
+" input: A list of directories and files to use as input. Files are\n"
+" expected to have the .skp extension.\n\n");
+ SkDebugf(
+" outputDir: directory to write the rendered pdfs.\n\n");
+ SkDebugf("\n");
+}
+
+/** Replaces the extension of a file.
+ * @param path File name whose extension will be changed.
+ * @param old_extension The old extension.
+ * @param new_extension The new extension.
+ * @returns false if the file did not has the expected extension.
+ * if false is returned, contents of path are undefined.
+ */
+static bool replace_filename_extension(SkString* path,
+ const char old_extension[],
+ const char new_extension[]) {
+ if (path->endsWith(old_extension)) {
+ path->remove(path->size() - strlen(old_extension),
+ strlen(old_extension));
+ if (!path->endsWith(".")) {
+ return false;
+ }
+ path->append(new_extension);
+ return true;
+ }
+ return false;
+}
+
+/** Builds the output filename. path = dir/name, and it replaces expected
+ * .skp extension with .pdf extention.
+ * @param path Output filename.
+ * @param name The name of the file.
+ * @returns false if the file did not has the expected extension.
+ * if false is returned, contents of path are undefined.
+ */
+static bool make_output_filepath(SkString* path, const SkString& dir,
+ const SkString& name) {
+ sk_tools::make_filepath(path, dir, name);
+ return replace_filename_extension(path,
+ SKP_FILE_EXTENSION,
+ PDF_FILE_EXTENSION);
+}
+
+/** Write the output of pdf renderer to a file.
+ * @param outputDir Output dir.
+ * @param inputFilename The skp file that was read.
+ * @param renderer The object responsible to write the pdf file.
+ */
+static bool write_output(const SkString& outputDir,
+ const SkString& inputFilename,
+ const sk_tools::PdfRenderer& renderer) {
+ SkString outputPath;
+ if (!make_output_filepath(&outputPath, outputDir, inputFilename)) {
+ return false;
+ }
+ bool isWritten = renderer.write(outputPath);
+ if (!isWritten) {
+ SkDebugf("Could not write to file %s\n", outputPath.c_str());
+ }
+ return isWritten;
+}
+
+/** Reads an skp file, renders it to pdf and writes the output to a pdf file
+ * @param inputPath The skp file to be read.
+ * @param outputDir Output dir.
+ * @param renderer The object responsible to render the skp object into pdf.
+ */
+static bool render_pdf(const SkString& inputPath, const SkString& outputDir,
+ sk_tools::PdfRenderer& renderer) {
+ SkString inputFilename;
+ sk_tools::get_basename(&inputFilename, inputPath);
+
+ SkFILEStream inputStream;
+ inputStream.setPath(inputPath.c_str());
+ if (!inputStream.isValid()) {
+ SkDebugf("Could not open file %s\n", inputPath.c_str());
+ return false;
+ }
+
+ bool success = false;
+ SkAutoTUnref<SkPicture>
+ picture(SkNEW_ARGS(SkPicture, (&inputStream, &success)));
+
+ if (!success) {
+ SkDebugf("Could not read an SkPicture from %s\n", inputPath.c_str());
+ return false;
+ }
+
+ SkDebugf("exporting... [%i %i] %s\n", picture->width(), picture->height(),
+ inputPath.c_str());
+
+ renderer.init(picture);
+
+ renderer.render();
+
+ success = write_output(outputDir, inputFilename, renderer);
+
+ renderer.end();
+ return success;
+}
+
+/** For each file in the directory or for the file passed in input, call
+ * render_pdf.
+ * @param input A directory or an skp file.
+ * @param outputDir Output dir.
+ * @param renderer The object responsible to render the skp object into pdf.
+ */
+static int process_input(const SkString& input, const SkString& outputDir,
+ sk_tools::PdfRenderer& renderer) {
+ int failures = 0;
+ if (sk_isdir(input.c_str())) {
+ SkOSFile::Iter iter(input.c_str(), SKP_FILE_EXTENSION);
+ SkString inputFilename;
+ while (iter.next(&inputFilename)) {
+ SkString inputPath;
+ sk_tools::make_filepath(&inputPath, input, inputFilename);
+ if (!render_pdf(inputPath, outputDir, renderer)) {
+ ++failures;
+ }
+ }
+ } else {
+ SkString inputPath(input);
+ if (!render_pdf(inputPath, outputDir, renderer)) {
+ ++failures;
+ }
+ }
+ return failures;
+}
+
+static void parse_commandline(int argc, char* const argv[],
+ SkTArray<SkString>* inputs) {
+ const char* argv0 = argv[0];
+ char* const* stop = argv + argc;
+
+ for (++argv; argv < stop; ++argv) {
+ if ((0 == strcmp(*argv, "-h")) || (0 == strcmp(*argv, "--help"))) {
+ usage(argv0);
+ exit(-1);
+ } else {
+ inputs->push_back(SkString(*argv));
+ }
+ }
+
+ if (inputs->count() < 2) {
+ usage(argv0);
+ exit(-1);
+ }
+}
+
+int main(int argc, char* const argv[]) {
+ SkAutoGraphics ag;
+ SkTArray<SkString> inputs;
+
+ SkAutoTUnref<sk_tools::PdfRenderer>
+ renderer(SkNEW(sk_tools::SimplePdfRenderer));
+ SkASSERT(renderer.get());
+
+ parse_commandline(argc, argv, &inputs);
+ SkString outputDir = inputs[inputs.count() - 1];
+
+ int failures = 0;
+ for (int i = 0; i < inputs.count() - 1; i ++) {
+ failures += process_input(inputs[i], outputDir, *renderer);
+ }
+
+ if (failures != 0) {
+ SkDebugf("Failed to render %i PDFs.\n", failures);
+ return 1;
+ }
+}
+
projects / platform / upstream / libSkiaSharp.git / commitdiff