You need to use RGBA_RED instead of RGB_RED. Note that these macros are
replaced by GO_COLOR_RED in most recent versions.
Regards,
Jean
Le mardi 27 octobre 2009 à 11:53 +0000, jcup...@gmail.com a écrit :
> Hello everyone,
>
> I've just updated from 0.7.4 to 0.7.8 (the version that's packaged
> with the current Ubuntu as v0.8) and my code can no longer set line
> colours.
>
> I made a tiny test program:
>
> ----------------
> /* Compile with:
>
> gcc -g -Wall chart.c `pkg-config libgoffice-0.8 --cflags --libs`
>
> */
>
> #include <gtk/gtk.h>
>
> #include <goffice/goffice.h>
>
> #include <goffice/app/go-plugin.h>
> #include <goffice/app/go-plugin-loader-module.h>
>
> #include <goffice/data/go-data-simple.h>
>
> #include <goffice/graph/gog-data-set.h>
> #include <goffice/graph/gog-label.h>
> #include <goffice/graph/gog-object.h>
> #include <goffice/graph/gog-plot.h>
> #include <goffice/graph/gog-series.h>
>
> #include <goffice/gtk/go-graph-widget.h>
>
> #include <goffice/utils/go-color.h>
>
> static double xes[] = { 1.0, 2.0, 3.0 };
> static double yes[] = { 1.0, 12.0, 5.0 };
>
> int
> main (int argc, char **argv)
> {
> GtkWidget *window;
>
> GtkWidget *graph;
> GogChart *chart;
> GogPlot *plot;
> GogSeries *series;
> GOData *data;
> GError *error;
> GOStyle *style;
>
> gtk_init (&argc, &argv);
>
> libgoffice_init ();
> go_plugins_init (NULL, NULL, NULL, NULL, TRUE,
> GO_TYPE_PLUGIN_LOADER_MODULE);
>
> window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
>
> graph = go_graph_widget_new (NULL);
> gtk_container_add (GTK_CONTAINER (window), graph);
>
> chart = go_graph_widget_get_chart (GO_GRAPH_WIDGET (graph));
>
> plot = gog_plot_new_by_name ("GogXYPlot");
> gog_object_add_by_name (GOG_OBJECT (chart), "Plot", GOG_OBJECT (plot));
>
> series = gog_plot_new_series (plot);
> data = go_data_vector_val_new (xes, 3, NULL);
> gog_series_set_dim (series, 0, data, &error);
> data = go_data_vector_val_new (yes, 3, NULL);
> gog_series_set_dim (series, 1, data, &error);
>
> style = go_styled_object_get_style (GO_STYLED_OBJECT (series));
> style->line.color = RGB_RED;
> style->line.auto_color = FALSE;
> gog_object_request_update (GOG_OBJECT (series));
>
> // tried this too
> // go_styled_object_style_changed (GO_STYLED_OBJECT (series));
>
> gtk_widget_show_all (window);
>
> gtk_main ();
>
> return 0;
> }
> --------------------
>
> What's the recommended way to set a line colour in 0.7.8?
>
> John
> _______________________________________________
> gnumeric-list mailing list
> gnumeric-list@gnome.org
> http://mail.gnome.org/mailman/listinfo/gnumeric-list
>
_______________________________________________
gnumeric-list mailing list
gnumeric-list@gnome.org
http://mail.gnome.org/mailman/listinfo/gnumeric-list
