1 /*
2 * Copyright 2020 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include <iostream>
9
10 #include "include/core/SkMatrix.h"
11 #include "include/core/SkStream.h"
12 #include "include/core/SkSurface.h"
13 #include "include/encode/SkPngEncoder.h"
14 #include "modules/skresources/include/SkResources.h"
15 #include "modules/svg/include/SkSVGDOM.h"
16 #include "src/utils/SkOSPath.h"
17 #include "tools/flags/CommandLineFlags.h"
18
19 static DEFINE_string2(input , i, nullptr, "Input SVG file.");
20 static DEFINE_string2(output, o, nullptr, "Output PNG file.");
21
22 static DEFINE_int(width , 1024, "Output width.");
23 static DEFINE_int(height, 1024, "Output height.");
24
main(int argc,char ** argv)25 int main(int argc, char** argv) {
26 CommandLineFlags::Parse(argc, argv);
27
28 if (FLAGS_input.isEmpty() || FLAGS_output.isEmpty()) {
29 std::cerr << "Missing required 'input' and 'output' args.\n";
30 return 1;
31 }
32
33 if (FLAGS_width <= 0 || FLAGS_height <= 0) {
34 std::cerr << "Invalid width/height.\n";
35 return 1;
36 }
37
38 SkFILEStream in(FLAGS_input[0]);
39 if (!in.isValid()) {
40 std::cerr << "Could not open " << FLAGS_input[0] << "\n";
41 return 1;
42 }
43
44 auto rp = skresources::DataURIResourceProviderProxy::Make(
45 skresources::FileResourceProvider::Make(SkOSPath::Dirname(FLAGS_input[0]),
46 /*predecode=*/true),
47 /*predecode=*/true);
48
49 auto svg_dom = SkSVGDOM::Builder()
50 .setFontManager(SkFontMgr::RefDefault())
51 .setResourceProvider(std::move(rp))
52 .make(in);
53 if (!svg_dom) {
54 std::cerr << "Could not parse " << FLAGS_input[0] << "\n";
55 return 1;
56 }
57
58 auto surface = SkSurface::MakeRasterN32Premul(FLAGS_width, FLAGS_height);
59
60 svg_dom->setContainerSize(SkSize::Make(FLAGS_width, FLAGS_height));
61 svg_dom->render(surface->getCanvas());
62
63 SkPixmap pixmap;
64 surface->peekPixels(&pixmap);
65
66 SkFILEWStream out(FLAGS_output[0]);
67 if (!out.isValid()) {
68 std::cerr << "Could not open " << FLAGS_output[0] << " for writing.\n";
69 return 1;
70 }
71
72 // Use default encoding options.
73 SkPngEncoder::Options png_options;
74
75 if (!SkPngEncoder::Encode(&out, pixmap, png_options)) {
76 std::cerr << "PNG encoding failed.\n";
77 return 1;
78 }
79
80 return 0;
81 }
82