add 'plot gridlines' command (55aa7961) · Commits · github_fork / Clip

src/signaltk.cc

+14 −1

Original line number	Diff line number	Diff line
		@@ -9,6 +9,7 @@
		*/
		#include <signaltk.h>
		#include <signaltk/core/image_api.h>
		#include <signaltk/plot/plot_api.h>
		#include <iostream>

		namespace signaltk {
		@@ -21,6 +22,12 @@ const std::vector<Command> command_list {
		.fn = &cmd_image_new,
		},

		// command: plot gridlines
		Command {
		.name = {"plot", "gridlines"},
		.fn = &cmd_plot_gridlines,
		},

		};

		int cmd(
		@@ -32,12 +39,18 @@ int cmd(
		continue;
		}

		bool match = true;
		for (size_t i = 0; i < cmd.name.size(); ++i) {
		if (cmd.name[i] != args[i]) {
		continue;
		match = false;
		break;
		}
		}

		if (!match) {
		continue;
		}

		return cmd.fn(
		ctx,
		args + cmd.name.size(),

src/signaltk/core/viewport.h

+0 −2

Original line number	Diff line number	Diff line
		@@ -11,7 +11,6 @@
		#define _libstx_UI_VIEWPORT_H

		namespace signaltk {
		namespace chart {

		class Viewport {
		public:
		@@ -82,6 +81,5 @@ public:
		std::tuple<int, int, int, int> padding_;
		};

		}
		}
		#endif

src/signaltk/plot/CMakeLists.txt

+2 −1

Original line number	Diff line number	Diff line
		@@ -16,4 +16,5 @@ add_library(signaltk-plot STATIC
		legenddefinition.cc
		series.cc
		timedomain.cc
		linechart.cc)
		linechart.cc
		plot_api.cc)

src/signaltk/plot/plot_api.cc

0 → 100644

+66 −0

Original line number	Diff line number	Diff line
		/**
		* This file is part of the "signaltk" project
		* Copyright (c) 2018 Paul Asmuth
		*
		* libstx is free software: you can redistribute it and/or modify it under
		* the terms of the GNU General Public License v3.0. You should have received a
		* copy of the GNU General Public License along with this program. If not, see
		* <http://www.gnu.org/licenses/>.
		*/
		#include <iostream>
		#include <signaltk/core/layer.h>
		#include <signaltk/plot/plot_layout.h>
		#include <signaltk/util/flagparser.h>
		#include "plot_api.h"

		namespace signaltk {

		int cmd_plot_gridlines(Context* ctx, const char** args, int arg_count) {
		FlagParser flag_parser;

		std::string flag_in;
		flag_parser.defineString("in", true, &flag_in);

		std::string flag_out;
		flag_parser.defineString("out", true, &flag_out);

		auto rc = flag_parser.parseArgv(arg_count, args);
		if (!rc.isSuccess()) {
		std::cerr << "ERROR: " << rc.getMessage() << std::endl;
		return -1;
		}

		Layer target;
		if (!target.loadPNG(flag_in.c_str())) {
		return -1; // FIXME error
		}

		{
		chart::GridDefinition grid(chart::GridDefinition::GRID_HORIZONTAL);
		grid.addTick(0.0);
		grid.addTick(0.2);
		grid.addTick(0.4);
		grid.addTick(0.6);
		grid.addTick(0.8);
		grid.addTick(1.0);
		chart::renderGrid(grid, Viewport{target.width, target.height}, &target);
		}

		{
		chart::GridDefinition grid(chart::GridDefinition::GRID_VERTICAL);
		grid.addTick(0.0);
		grid.addTick(0.2);
		grid.addTick(0.4);
		grid.addTick(0.6);
		grid.addTick(0.8);
		grid.addTick(1.0);
		chart::renderGrid(grid, Viewport{target.width, target.height}, &target);
		}

		target.writePNG(flag_out.c_str());

		return 0;
		}

		} // namespace signaltk

src/signaltk/plot/plot_api.h

0 → 100644

+18 −0

Original line number	Diff line number	Diff line
		/**
		* This file is part of the "signaltk" project
		* Copyright (c) 2018 Paul Asmuth
		*
		* libstx is free software: you can redistribute it and/or modify it under
		* the terms of the GNU General Public License v3.0. You should have received a
		* copy of the GNU General Public License along with this program. If not, see
		* <http://www.gnu.org/licenses/>.
		*/
		#pragma once
		#include <signaltk.h>

		namespace signaltk {

		int cmd_plot_gridlines(Context* ctx, const char** args, int arg_count);

		} // namespace signaltk

Admin message