X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Foutput%2Fcairo-chart.h;h=edf4ed1148cd25ea2ff4730ebc191f511f04f018;hb=refs%2Fheads%2Fpivot-table2;hp=041a169102395546db470f5fd79a693ba8f38f8c;hpb=f550aee00a62fe1d8baf62d83cd7efef6cc2ee92;p=pspp diff --git a/src/output/cairo-chart.h b/src/output/cairo-chart.h index 041a169102..edf4ed1148 100644 --- a/src/output/cairo-chart.h +++ b/src/output/cairo-chart.h @@ -1,5 +1,5 @@ /* PSPP - a program for statistical analysis. - Copyright (C) 2009 Free Software Foundation, Inc. + Copyright (C) 2009, 2011 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -31,17 +31,24 @@ struct xrchart_colour uint8_t blue; }; +struct xrchart_axis +{ + int data_max; + int data_min; + + double scale; + double min; + double max; +}; + /* The geometry of a chart. */ struct xrchart_geometry { - int data_top; - int data_right; - int data_bottom; - int data_left; - - int abscissa_top; + /* Bottom of the abscissa segment */ + int abscissa_bottom; - int ordinate_right; + /* Left of the ordinate segment */ + int ordinate_left; int title_bottom; @@ -57,12 +64,9 @@ struct xrchart_geometry struct xrchart_colour fill_colour; /* Stuff particular to cartesians and boxplots. */ - double ordinate_scale; - double abscissa_scale; - double x_min; - double x_max; - double y_min; - double y_max; + struct xrchart_axis axis[2]; + + /* True iff a path is currently being drawn */ bool in_path; }; @@ -70,13 +74,13 @@ void xrchart_geometry_init (cairo_t *, struct xrchart_geometry *, double width, double length); void xrchart_geometry_free (cairo_t *, struct xrchart_geometry *); -#define XRCHART_N_COLOURS 9 +#define XRCHART_N_COLOURS 27 extern const struct xrchart_colour data_colour[]; enum tick_orientation { - TICK_ABSCISSA=0, - TICK_ORDINATE + SCALE_ABSCISSA=0, + SCALE_ORDINATE }; enum xrmarker_type @@ -92,13 +96,19 @@ void xrchart_draw_marker (cairo_t *, double x, double y, enum xrmarker_type, void xrchart_label (cairo_t *, int horz_justify, int vert_justify, double font_size, const char *); +void xrchart_label_rotate (cairo_t *cr, int horz_justify, int vert_justify, + double font_size, const char *string, double angle); + + /* Draw a tick mark at position If label is non zero, then print it at the tick mark */ void draw_tick (cairo_t *, const struct xrchart_geometry *, - enum tick_orientation orientation, double position, + enum tick_orientation orientation, + bool rotated, + double position, const char *label, ...) - PRINTF_FORMAT (5, 6); + PRINTF_FORMAT (6, 7); /* Write the title on a chart*/ @@ -161,5 +171,10 @@ void xrchart_draw_np_plot (const struct chart_item *, cairo_t *, struct xrchart_geometry *); void xrchart_draw_scree (const struct chart_item *, cairo_t *, struct xrchart_geometry *); +void xrchart_draw_spreadlevel (const struct chart_item *, cairo_t *, + struct xrchart_geometry *); +void xrchart_draw_scatterplot (const struct chart_item *, cairo_t *, + struct xrchart_geometry *); + #endif /* output/cairo-chart.h */