mirror of
https://github.com/UpsilonNumworks/Upsilon.git
synced 2026-01-19 00:37:25 +01:00
141 lines
3.7 KiB
C++
141 lines
3.7 KiB
C++
extern "C" {
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#include "modpyplot.h"
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}
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#include <assert.h>
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#include <escher/palette.h>
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#include "port.h"
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#include "plot_controller.h"
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Matplotlib::PlotStore * sPlotStore = nullptr;
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Matplotlib::PlotController * sPlotController = nullptr;
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static int paletteIndex = 0;
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// Private helper
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static size_t extract_and_validate_plot_input(mp_obj_t x, mp_obj_t y, mp_obj_t ** xItems, mp_obj_t ** yItems) {
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// Input parameter validation
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size_t xLength, yLength;
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mp_obj_get_array(x, &xLength, xItems);
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mp_obj_get_array(y, &yLength, yItems);
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if (xLength != yLength) {
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mp_raise_ValueError("x and y must have same dimension");
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}
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return xLength;
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}
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// Internal functions
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mp_obj_t modpyplot___init__() {
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static Matplotlib::PlotStore plotStore;
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static Matplotlib::PlotController plotController(&plotStore);
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sPlotStore = &plotStore;
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sPlotController = &plotController;
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sPlotStore->flush();
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paletteIndex = 0;
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return mp_const_none;
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}
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void modpyplot_gc_collect() {
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if (sPlotStore != nullptr) {
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return;
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}
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MicroPython::collectRootsAtAddress(
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reinterpret_cast<char *>(&sPlotStore),
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sizeof(Matplotlib::PlotStore)
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);
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}
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/* axis(arg)
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* - arg = [xmin, xmax, ymin, ymax]
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* - arg = True, False
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* Returns : xmin, xmax, ymin, ymax : float */
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mp_obj_t modpyplot_axis(mp_obj_t arg) {
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assert(sPlotStore != nullptr);
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#warning Use mp_obj_is_bool when upgrading uPy
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if (mp_obj_is_type(arg, &mp_type_bool)) {
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sPlotStore->setAxesRequested(mp_obj_is_true(arg));
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} else {
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mp_obj_t * items;
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mp_obj_get_array_fixed_n(arg, 4, &items);
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sPlotStore->setXMin(mp_obj_get_float(items[0]));
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sPlotStore->setXMax(mp_obj_get_float(items[1]));
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sPlotStore->setYMin(mp_obj_get_float(items[2]));
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sPlotStore->setYMax(mp_obj_get_float(items[3]));
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}
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// Build the return value
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mp_obj_t coords[4];
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coords[0] = mp_obj_new_float(sPlotStore->xMin());
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coords[1] = mp_obj_new_float(sPlotStore->xMax());
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coords[2] = mp_obj_new_float(sPlotStore->yMin());
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coords[3] = mp_obj_new_float(sPlotStore->yMax());
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return mp_obj_new_tuple(4, coords);
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}
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mp_obj_t modpyplot_bar(mp_obj_t x, mp_obj_t height) {
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assert(sPlotStore != nullptr);
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}
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mp_obj_t modpyplot_grid(mp_obj_t b) {
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if (mp_obj_is_type(b, &mp_type_bool)) {
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sPlotStore->setGridRequested(mp_obj_is_true(b));
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} else {
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sPlotStore->setGridRequested(!sPlotStore->gridRequested());
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}
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return mp_const_none;
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}
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mp_obj_t modpyplot_scatter(mp_obj_t x, mp_obj_t y) {
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assert(sPlotStore != nullptr);
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// Input parameter validation
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mp_obj_t * xItems, * yItems;
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size_t length = extract_and_validate_plot_input(x, y, &xItems, &yItems);
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KDColor color = Palette::DataColor[paletteIndex++]; // FIXME: Share overflow routine
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for (size_t i=0; i<length; i++) {
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sPlotStore->addDot(xItems[i], yItems[i], color);
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}
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return mp_const_none;
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}
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mp_obj_t modpyplot_plot(mp_obj_t x, mp_obj_t y) {
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assert(sPlotStore != nullptr);
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// Input parameter validation
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mp_obj_t * xItems, * yItems;
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size_t length = extract_and_validate_plot_input(x, y, &xItems, &yItems);
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KDColor color = Palette::DataColor[paletteIndex++]; // FIXME: Share overflow routine
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for (size_t i=0; i<length-1; i++) {
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sPlotStore->addSegment(xItems[i], yItems[i], xItems[i+1], yItems[i+1], color);
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}
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return mp_const_none;
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}
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mp_obj_t modpyplot_text(mp_obj_t x, mp_obj_t y, mp_obj_t s) {
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assert(sPlotStore != nullptr);
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// Input parameter validation
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mp_obj_get_float(x);
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mp_obj_get_float(y);
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mp_obj_str_get_str(s);
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sPlotStore->addLabel(x, y, s);
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return mp_const_none;
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}
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mp_obj_t modpyplot_show() {
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MicroPython::ExecutionEnvironment * env = MicroPython::ExecutionEnvironment::currentExecutionEnvironment();
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env->displayViewController(sPlotController);
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return mp_const_none;
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}
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