zhangyiss/Table-and-Graph-Libs
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adjusted proposed signatures

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This commit is contained in:
Jan Kuhlmann 2024-12-09 11:12:41 +01:00
parent 1b67cc6767
commit 68d18a05cf
1 changed files with 22 additions and 37 deletions
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59
graphs.hpp
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@ -778,41 +778,36 @@ namespace graphs
};
// store fragments on temporary buffer to pass between draws
using Texture = std::unique_ptr<std::vector<Fragment>>;
struct Axis {
long double min = 0;
long double max = 0;
bool labels = true;
bool ticks = true;
bool units_label = true;
units_type units = units_fracts;
};
struct Options {
size_t width = 0; // Width in terminal characters. Set to 0 for automatic size based on terminal.
size_t height = 0; // Height in terminal characters. Set to 0 for automatic size based on terminal.
struct Axis {
double min = 0; // Start of axis. Set to 0 for automatic size based on data.
double max = 0; // End of axis. Set to 0 for automatic size based on data.
bool drawn = true;
bool label = true; // TODO: allow setting custom label string?
bool ticks = true;
bool tick_labels = true;
units_type tick_label_type = units_fracts;
};
Axis x = {};
Axis y = {};
type_type character_set = type_braille;
plot_type plot = plot_scatter;
style_type style = style_light;
ColorBits color_type = ColorBits::e4; // bit depth of color representation
bool validate = true; // validate sizes for graph draw
bool border = false; // draw border around the graph
/* 5 bytes padding */
// graph-specific options
struct Histogram {
size_t bar_width = 1; // size of each bar in x-axis (in data points, e.g. braille has width of 2 per terminal character)
} histogram;
graph_type graph = graph_dot;
std::string title;
std::ostream &ostr = std::cout;
const char* title = nullptr;
ColorBits color_type = ColorBits::e4; // bit depth of color representation
bool check = true; // validate sizes for graph draw
bool border = false; // draw border around the graph
};
// print histogram using single data set, drawn on top of existing texture
// print histogram using single data set, optionally drawn on top of existing texture
template <typename T>
auto histogram_experimental(const std::vector<T>& data, Texture&& texture, const Options& options = {}, const Color& color = {color_red}) -> Texture&& {
static_assert(std::numeric_limits<T>::is_integer, "Only integer types are supported for histogram data");
auto histogram_experimental(const T &data, const Options &options = {}, const Color &color = {color_red}, Texture &&texture = std::make_unique<Texture::element_type>()) -> Texture&& {
cout << "Experimental histogram\n";
// TODO: automatically set sizes if stuff is 0
@ -833,7 +828,7 @@ namespace graphs
const size_t x_points = width * char_width;
const size_t y_points = height * char_height;
// for histograms, every sample needs at least one data point to occupy in x
const size_t x_bar_size = options.histogram.bar_width;
const size_t x_bar_size = 1;
// given the x_bar_size (which should be exposed as an option), see how many points will be placed between bars
const size_t x_bar_spacer = (double)x_points / ((double)x_bar_size * x_size) - 1;
@ -905,27 +900,17 @@ namespace graphs
}
return std::move(texture);
}
// print histogram using single data set
template <typename T>
auto histogram_experimental(const std::vector<T>& data, const Options& options = {}, const Color& color = {color_red}) -> Texture&& {
return histogram_experimental(data, std::make_unique<Texture::element_type>(), options, color);
}
// print histogram using multiple data sets, drawn on top of existing texture
template <typename T>
auto histogram_experimental(const std::vector<std::vector<T>>& datasets, Texture&& texture, const Options& options = {}, const std::vector<Color>& colors = {}) -> Texture&& {
auto histogram_experimental(const T &data, const size_t rows, const Options &options = {}, const std::vector<Color> &colors = {}, Texture &&texture = std::make_unique<Texture::element_type>()) -> Texture&& {
// recursively call for each data set
for (size_t i = 0; i < datasets.size(); i++) {
for (size_t row = 0; row < rows; row++) {
// pick default color if not enough colors are provided
Color color = i < colors.size() ? colors[i] : Color{color_red};
texture = histogram_experimental(datasets[i], std::move(texture), options, colors[i]);
Color color = row < colors.size() ? colors[row] : Color{color_red};
texture = histogram_experimental(data[row], options, color, std::move(texture));
}
return std::move(texture);
}
// print histogram using multiple data sets
template <typename T>
auto histogram_experimental(const std::vector<std::vector<T>>& datasets, const Options& options = {}, const std::vector<Color>& colors = {}) -> Texture&& {
return histogram_experimental(datasets, std::make_unique<Texture::element_type>(), options, colors);
}
// EXPERIMENTAL END
template <typename T>