/* * Copyright 2015 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "SkBitmap.h" #include "SkCommandLineFlags.h" #include "SkCommonFlags.h" #include "SkData.h" #include "SkImage.h" #include "SkStream.h" #include "SkTypes.h" #include "sk_tool_utils.h" DEFINE_string(in, "input.png", "Input image"); DEFINE_string(out, "blurred.png", "Output image"); DEFINE_double(sigma, 1, "Sigma to be used for blur (> 0.0f)"); // This tool just performs a blur on an input image // Return codes: static const int kSuccess = 0; static const int kError = 1; int tool_main(int argc, char** argv); int tool_main(int argc, char** argv) { SkCommandLineFlags::SetUsage("Brute force blur of an image."); SkCommandLineFlags::Parse(argc, argv); if (FLAGS_sigma <= 0) { if (!FLAGS_quiet) { SkDebugf("Sigma must be greater than zero (it is %f).\n", FLAGS_sigma); } return kError; } sk_sp<SkData> data(SkData::MakeFromFileName(FLAGS_in[0])); if (nullptr == data) { if (!FLAGS_quiet) { SkDebugf("Couldn't open file: %s\n", FLAGS_in[0]); } return kError; } sk_sp<SkImage> image(SkImage::MakeFromEncoded(data)); if (!image) { if (!FLAGS_quiet) { SkDebugf("Couldn't create image for: %s.\n", FLAGS_in[0]); } return kError; } SkBitmap src; if (!image->asLegacyBitmap(&src, SkImage::kRW_LegacyBitmapMode)) { if (!FLAGS_quiet) { SkDebugf("Couldn't create bitmap for: %s.\n", FLAGS_in[0]); } return kError; } SkBitmap dst = sk_tool_utils::slow_blur(src, (float) FLAGS_sigma); if (!sk_tool_utils::EncodeImageToFile(FLAGS_out[0], dst, SkEncodedImageFormat::kPNG, 100)) { if (!FLAGS_quiet) { SkDebugf("Couldn't write to file: %s\n", FLAGS_out[0]); } return kError; } return kSuccess; } #if !defined SK_BUILD_FOR_IOS int main(int argc, char * const argv[]) { return tool_main(argc, (char**) argv); } #endif