diff options
Diffstat (limited to 'profile.c')
| -rw-r--r-- | profile.c | 38 |
1 files changed, 29 insertions, 9 deletions
@@ -16,6 +16,11 @@ int selected_dive = 0; char zoomed_plot = 0; +static double plot_scale = SCALE_SCREEN; + +#define cairo_set_line_width_scaled(cr, w) \ + cairo_set_line_width((cr), (w) * plot_scale); + typedef enum { STABLE, SLOW, MODERATE, FAST, CRAZY } velocity_t; /* Plot info with smoothing, velocity indication @@ -245,7 +250,7 @@ static void plot_text(struct graphics_context *gc, const text_render_options_t * vsnprintf(buffer, sizeof(buffer), fmt, args); va_end(args); - cairo_set_font_size(cr, tro->size); + cairo_set_font_size(cr, tro->size * plot_scale); cairo_font_extents(cr, &fe); cairo_text_extents(cr, buffer, &extents); dx = tro->hpos * extents.width + extents.x_bearing; @@ -485,7 +490,7 @@ static void plot_depth_profile(struct graphics_context *gc, struct plot_info *pi gc->leftx = 0; gc->rightx = maxtime; gc->topy = 0; gc->bottomy = 1.0; set_source_rgba(gc, TIME_GRID); - cairo_set_line_width(gc->cr, 2); + cairo_set_line_width_scaled(gc->cr, 2); for (i = incr; i < maxtime; i += incr) { move_to(gc, i, 0); @@ -542,13 +547,13 @@ static void plot_depth_profile(struct graphics_context *gc, struct plot_info *pi gc->topy = 0; gc->bottomy = maxdepth; cairo_pattern_t *pat; - pat = cairo_pattern_create_linear (0.0, 0.0, 0.0, 256.0); + pat = cairo_pattern_create_linear (0.0, 0.0, 0.0, 256.0 * plot_scale); pattern_add_color_stop_rgba (gc, pat, 1, DEPTH_BOTTOM); pattern_add_color_stop_rgba (gc, pat, 0, DEPTH_TOP); cairo_set_source(gc->cr, pat); cairo_pattern_destroy(pat); - cairo_set_line_width(gc->cr, 2); + cairo_set_line_width_scaled(gc->cr, 2); entry = pi->entry; move_to(gc, 0, 0); @@ -655,7 +660,7 @@ static void plot_temperature_profile(struct graphics_context *gc, struct plot_in if (!setup_temperature_limits(gc, pi)) return; - cairo_set_line_width(gc->cr, 2); + cairo_set_line_width_scaled(gc->cr, 2); set_source_rgba(gc, TEMP_PLOT); for (i = 0; i < pi->nr; i++) { struct plot_data *entry = pi->entry + i; @@ -730,7 +735,7 @@ static void plot_cylinder_pressure(struct graphics_context *gc, struct plot_info if (!get_cylinder_pressure_range(gc, pi)) return; - cairo_set_line_width(gc->cr, 2); + cairo_set_line_width_scaled(gc->cr, 2); for (i = 0; i < pi->nr; i++) { int mbar; @@ -1374,13 +1379,28 @@ static struct plot_info *create_plot_info(struct dive *dive, int nr_samples, str return analyze_plot_info(pi); } -void plot(struct graphics_context *gc, cairo_rectangle_int_t *drawing_area, struct dive *dive) +static void plot_set_scale(scale_mode_t scale) +{ + switch (scale) { + default: + case SC_SCREEN: + plot_scale = SCALE_SCREEN; + break; + case SC_PRINT: + plot_scale = SCALE_PRINT; + break; + } +} + +void plot(struct graphics_context *gc, cairo_rectangle_t *drawing_area, struct dive *dive, scale_mode_t scale) { struct plot_info *pi; static struct sample fake[4]; struct sample *sample = dive->sample; int nr = dive->samples; + plot_set_scale(scale); + if (!nr) { /* The dive has no samples, so create a few fake ones. This assumes an ascent/descent rate of 9 m/min, which is just below the limit for FAST. */ @@ -1401,7 +1421,7 @@ void plot(struct graphics_context *gc, cairo_rectangle_int_t *drawing_area, stru pi = create_plot_info(dive, nr, sample); cairo_translate(gc->cr, drawing_area->x, drawing_area->y); - cairo_set_line_width(gc->cr, 1); + cairo_set_line_width_scaled(gc->cr, 1); cairo_set_line_cap(gc->cr, CAIRO_LINE_CAP_ROUND); cairo_set_line_join(gc->cr, CAIRO_LINE_JOIN_ROUND); @@ -1435,7 +1455,7 @@ void plot(struct graphics_context *gc, cairo_rectangle_int_t *drawing_area, stru gc->topy = 0; gc->bottomy = 1.0; set_source_rgba(gc, BOUNDING_BOX); - cairo_set_line_width(gc->cr, 1); + cairo_set_line_width_scaled(gc->cr, 1); move_to(gc, 0, 0); line_to(gc, 0, 1); line_to(gc, 1, 1); |