Started generating chart SVG

This commit is contained in:
Gergely Polonkai 2013-09-18 00:29:13 +02:00
parent bfaae8fede
commit 2d93bca140
3 changed files with 103 additions and 0 deletions

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@ -2,6 +2,7 @@
#include <gio/gio.h> #include <gio/gio.h>
#include <libxml/parser.h> #include <libxml/parser.h>
#include <libxml/xpath.h> #include <libxml/xpath.h>
#include <libxml/tree.h>
#include <swe-glib.h> #include <swe-glib.h>
#include "ag-chart.h" #include "ag-chart.h"
@ -652,3 +653,103 @@ ag_chart_save_to_file(AgChart *chart, GFile *file, GError **err)
xmlFreeDoc(save_doc); xmlFreeDoc(save_doc);
} }
void
ag_chart_create_svg(AgChart *chart)
{
xmlDocPtr doc = create_save_doc(chart);
xmlNodePtr root_node = NULL,
ascmcs_node = NULL,
houses_node = NULL,
bodies_node = NULL,
node = NULL;
gchar *value;
GList *houses,
*house,
*planets,
*planet;
GError *err = NULL;
const GswePlanetData *planet_data;
root_node = xmlDocGetRootElement(doc);
// gswe_moment_get_house_cusps() also calculates ascmcs data, so call it this early
houses = gswe_moment_get_house_cusps(GSWE_MOMENT(chart), NULL);
// Begin <ascmcs> node
ascmcs_node = xmlNewChild(root_node, NULL, BAD_CAST "ascmcs", NULL);
node = xmlNewChild(ascmcs_node, NULL, BAD_CAST "ascendant", NULL);
planet_data = gswe_moment_get_planet(GSWE_MOMENT(chart), GSWE_PLANET_ASCENDENT, NULL);
value = g_malloc0(12);
g_ascii_dtostr(value, 12, planet_data->position);
xmlNewProp(node, BAD_CAST "degree_ut", BAD_CAST value);
g_free(value);
node = xmlNewChild(ascmcs_node, NULL, BAD_CAST "mc", NULL);
planet_data = gswe_moment_get_planet(GSWE_MOMENT(chart), GSWE_PLANET_MC, NULL);
value = g_malloc0(12);
g_ascii_dtostr(value, 12, planet_data->position);
xmlNewProp(node, BAD_CAST "degree_ut", BAD_CAST value);
g_free(value);
node = xmlNewChild(ascmcs_node, NULL, BAD_CAST "vertex", NULL);
planet_data = gswe_moment_get_planet(GSWE_MOMENT(chart), GSWE_PLANET_VERTEX, NULL);
value = g_malloc0(12);
g_ascii_dtostr(value, 12, planet_data->position);
xmlNewProp(node, BAD_CAST "degree_ut", BAD_CAST value);
g_free(value);
// Begin <houses> node
houses_node = xmlNewChild(root_node, NULL, BAD_CAST "houses", NULL);
for (house = houses; house; house = g_list_next(house)) {
GsweHouseData *house_data = house->data;
node = xmlNewChild(houses_node, NULL, BAD_CAST "house", NULL);
value = g_malloc0(3);
g_ascii_dtostr(value, 3, house_data->house);
xmlNewProp(node, BAD_CAST "number", BAD_CAST value);
g_free(value);
value = g_malloc0(12);
g_ascii_dtostr(value, 12, house_data->cusp_position);
xmlNewProp(node, BAD_CAST "degree", BAD_CAST value);
g_free(value);
}
// Begin <bodies> node
bodies_node = xmlNewChild(root_node, NULL, BAD_CAST "bodies", NULL);
planets = gswe_moment_get_all_planets(GSWE_MOMENT(chart));
for (planet = planets; planet; planet = g_list_next(planet)) {
planet_data = planet->data;
// TODO: HACK HACK HACK! SWE-GLib has a HUGE mistake here!
planet_data = gswe_moment_get_planet(GSWE_MOMENT(chart), planet_data->planet_id, &err);
if (
(planet_data->planet_id == GSWE_PLANET_ASCENDENT)
|| (planet_data->planet_id == GSWE_PLANET_MC)
|| (planet_data->planet_id == GSWE_PLANET_VERTEX)
) {
continue;
}
node = xmlNewChild(bodies_node, NULL, BAD_CAST "body", NULL);
xmlNewProp(node, BAD_CAST "name", BAD_CAST planet_data->planet_info->name);
value = g_malloc0(12);
g_ascii_dtostr(value, 12, planet_data->position);
xmlNewProp(node, BAD_CAST "degree", BAD_CAST value);
g_free(value);
}
xmlSaveFormatFileEnc("-", doc, "UTF-8", 1);
xmlFreeDoc(doc);
}

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@ -42,6 +42,7 @@ void ag_chart_set_country(AgChart *chart, const gchar *country);
gchar *ag_chart_get_country(AgChart *chart); gchar *ag_chart_get_country(AgChart *chart);
void ag_chart_set_city(AgChart *chart, const gchar *city); void ag_chart_set_city(AgChart *chart, const gchar *city);
gchar *ag_chart_get_city(AgChart *chart); gchar *ag_chart_get_city(AgChart *chart);
void ag_chart_create_svg(AgChart *chart);
#define AG_CHART_ERROR (ag_chart_error_quark()) #define AG_CHART_ERROR (ag_chart_error_quark())
GQuark ag_chart_error_quark(void); GQuark ag_chart_error_quark(void);

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@ -109,6 +109,7 @@ save_as_cb(GSimpleAction *action, GVariant *parameter, gpointer user_data)
void void
ag_window_redraw_chart(AgWindow *window) ag_window_redraw_chart(AgWindow *window)
{ {
ag_chart_create_svg(window->priv->chart);
} }
void void