linechart: fit domains to data (cb8c2f13) · Commits · github_fork / Clip

charts/linechart.cc

+6 −0

Original line number	Diff line number	Diff line
		@@ -208,6 +208,11 @@ ReturnCode draw(
		DomainConfig domain_x;
		DomainConfig domain_y;

		for (const auto& s : config.series) {
		domain_fit(s.xs, &domain_x);
		domain_fit(s.ys, &domain_y);
		}

		// setup layout
		auto border_box = layout_margin_box(
		clip,
		@@ -316,6 +321,7 @@ ReturnCode configureSeries(const plist::Property& prop, LinechartConfig* config)
		return rc;
		}

		config->series.emplace_back(std::move(series));
		return OK;
		}

+1 −1

Original line number	Diff line number	Diff line
		@@ -225,7 +225,7 @@ ReturnCode axis_expand_linear_geom(
		AxisDefinition* axis) {
		uint32_t num_ticks = 6; // FIXME make configurable
		double min = domain.min.value_or(0.0f);
		double max = domain.min.value_or(0.0f);
		double max = domain.max.value_or(0.0f);

		for (size_t i = 0; i < num_ticks; ++i) {
		auto o = (1.0f / (num_ticks - 1)) * i;

+13 −0

Original line number	Diff line number	Diff line
		@@ -31,6 +31,19 @@

		using namespace plotfx;
		namespace plotfx {

		void domain_fit(const std::vector<double>& data, DomainConfig* domain) {
		for (const auto& d : data) {
		if (!domain->min \|\| *domain->min > d) {
		domain->min = std::optional<double>(d);
		}
		if (!domain->max \|\| *domain->max < d) {
		domain->max = std::optional<double>(d);
		}
		}
		}


		namespace chart {

		/*

+2 −0

Original line number	Diff line number	Diff line
		@@ -49,6 +49,8 @@ struct DomainConfig {
		std::optional<double> max;
		};

		void domain_fit(const std::vector<double>& data, DomainConfig* domain);

		namespace chart {

		/**