X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Foutput%2Fcharts%2Fplot-chart.c;h=5b6618e518c88bbe87bb55875092c7d4461d80d8;hb=f5c108becd49d78f4898cab11352291f5689d24e;hp=3f5619fef9a0631e6037b64522e0975ffbb16127;hpb=7eee0554f378481faf447e2d2e940f389d6b05ec;p=pspp-builds.git diff --git a/src/output/charts/plot-chart.c b/src/output/charts/plot-chart.c index 3f5619fe..5b6618e5 100644 --- a/src/output/charts/plot-chart.c +++ b/src/output/charts/plot-chart.c @@ -58,9 +58,9 @@ const char *const data_colour[] = { If label is non zero, then print it at the tick mark */ void -draw_tick(struct chart *chart, - enum tick_orientation orientation, - double position, +draw_tick(struct chart *chart, + enum tick_orientation orientation, + double position, const char *label, ...) { const int tickSize = 10; @@ -71,9 +71,9 @@ draw_tick(struct chart *chart, pl_move_r(chart->lp, chart->data_left, chart->data_bottom); - if ( orientation == TICK_ABSCISSA ) + if ( orientation == TICK_ABSCISSA ) pl_flinerel_r(chart->lp, position, 0, position, -tickSize); - else if (orientation == TICK_ORDINATE ) + else if (orientation == TICK_ORDINATE ) pl_flinerel_r(chart->lp, 0, position, -tickSize, position); else NOT_REACHED (); @@ -84,9 +84,9 @@ draw_tick(struct chart *chart, va_start(ap,label); vsnprintf(buf,10,label,ap); - if ( orientation == TICK_ABSCISSA ) + if ( orientation == TICK_ABSCISSA ) pl_alabel_r(chart->lp, 'c','t', buf); - else if (orientation == TICK_ORDINATE ) + else if (orientation == TICK_ORDINATE ) { if ( fabs(position) < DBL_EPSILON ) pl_moverel_r(chart->lp, 0, 10); @@ -96,19 +96,19 @@ draw_tick(struct chart *chart, va_end(ap); } - + pl_restorestate_r(chart->lp); } /* Write the title on a chart*/ -void +void chart_write_title(struct chart *chart, const char *title, ...) { va_list ap; char buf[100]; - if ( ! chart ) + if ( ! chart ) return ; pl_savestate_r(chart->lp); @@ -125,27 +125,27 @@ chart_write_title(struct chart *chart, const char *title, ...) /* Set the scale for the abscissa */ -void +void chart_write_xscale(struct chart *ch, double min, double max, int ticks) { double x; - const double tick_interval = + const double tick_interval = chart_rounded_tick( (max - min) / (double) ticks); assert ( ch ); - ch->x_max = ceil( max / tick_interval ) * tick_interval ; + ch->x_max = ceil( max / tick_interval ) * tick_interval ; ch->x_min = floor ( min / tick_interval ) * tick_interval ; - ch->abscissa_scale = fabs(ch->data_right - ch->data_left) / + ch->abscissa_scale = fabs(ch->data_right - ch->data_left) / fabs(ch->x_max - ch->x_min); for(x = ch->x_min ; x <= ch->x_max; x += tick_interval ) { - draw_tick (ch, TICK_ABSCISSA, + draw_tick (ch, TICK_ABSCISSA, (x - ch->x_min) * ch->abscissa_scale, "%g", x); } @@ -153,36 +153,36 @@ chart_write_xscale(struct chart *ch, double min, double max, int ticks) /* Set the scale for the ordinate */ -void +void chart_write_yscale(struct chart *ch, double smin, double smax, int ticks) { double y; - const double tick_interval = + const double tick_interval = chart_rounded_tick( (smax - smin) / (double) ticks); - if ( !ch ) + if ( !ch ) return; - ch->y_max = ceil ( smax / tick_interval ) * tick_interval ; + ch->y_max = ceil ( smax / tick_interval ) * tick_interval ; ch->y_min = floor ( smin / tick_interval ) * tick_interval ; - ch->ordinate_scale = + ch->ordinate_scale = fabs(ch->data_top - ch->data_bottom) / fabs(ch->y_max - ch->y_min) ; for(y = ch->y_min ; y <= ch->y_max; y += tick_interval ) { - draw_tick (ch, TICK_ORDINATE, + draw_tick (ch, TICK_ORDINATE, (y - ch->y_min) * ch->ordinate_scale, "%g", y); } } /* Write the abscissa label */ -void +void chart_write_xlabel(struct chart *ch, const char *label) { - if ( ! ch ) + if ( ! ch ) return ; pl_savestate_r(ch->lp); @@ -197,10 +197,10 @@ chart_write_xlabel(struct chart *ch, const char *label) /* Write the ordinate label */ -void +void chart_write_ylabel(struct chart *ch, const char *label) { - if ( ! ch ) + if ( ! ch ) return ; pl_savestate_r(ch->lp);