diff options
Diffstat (limited to 'profile.c')
| -rw-r--r-- | profile.c | 57 |
1 files changed, 34 insertions, 23 deletions
@@ -48,7 +48,7 @@ struct plot_info { /* convert velocity to colors */ typedef struct { double r, g, b; } rgb_t; -static const rgb_t rgb[] = { +static const rgb_t velocity_color[] = { [STABLE] = {0.0, 0.4, 0.0}, [SLOW] = {0.4, 0.8, 0.0}, [MODERATE] = {0.8, 0.8, 0.0}, @@ -89,6 +89,11 @@ static void set_source_rgba(struct graphics_context *gc, double r, double g, dou cairo_set_source_rgba(gc->cr, r, g, b, a); } +static void set_source_rgb_struct(struct graphics_context *gc, const rgb_t *rgb) +{ + set_source_rgba(gc, rgb->r, rgb->g, rgb->b, 1); +} + void set_source_rgb(struct graphics_context *gc, double r, double g, double b) { set_source_rgba(gc, r, g, b, 1); @@ -476,9 +481,8 @@ static void plot_depth_profile(struct graphics_context *gc, struct plot_info *pi /* we want to draw the segments in different colors * representing the vertical velocity, so we need to * chop this into short segments */ - rgb_t color = rgb[entry->velocity]; depth = entry->depth; - set_source_rgb(gc, color.r, color.g, color.b); + set_source_rgb_struct(gc, &velocity_color[entry->velocity]); move_to(gc, entry[-1].sec, entry[-1].depth); line_to(gc, sec, depth); cairo_stroke(cr); @@ -595,29 +599,36 @@ static int get_cylinder_pressure_range(struct graphics_context *gc, struct plot_ return pi->maxpressure != 0; } +#define SAC_COLORS 9 +static const rgb_t sac_color[SAC_COLORS] = { + { 0.0, 0.4, 0.2}, + { 0.2, 0.6, 0.2}, + { 0.4, 0.8, 0.2}, + { 0.6, 0.8, 0.2}, + { 0.8, 0.8, 0.2}, + { 0.8, 0.6, 0.2}, + { 0.8, 0.4, 0.2}, + { 0.9, 0.3, 0.2}, + { 1.0, 0.2, 0.2}, +}; + /* set the color for the pressure plot according to temporary sac rate - * as compared to avg_sac */ + * as compared to avg_sac; the calculation simply maps the delta between + * sac and avg_sac to indexes 0 .. (SAC_COLORS - 1) with everything + * more than 6000 ml/min below avg_sac mapped to 0 */ + static void set_sac_color(struct graphics_context *gc, int sac, int avg_sac) { - int delta = sac - avg_sac; - if (delta < -6000) - set_source_rgb(gc, 0.0, 0.4, 0.2); - else if (delta < -4000) - set_source_rgb(gc, 0.2, 0.6, 0.2); - else if (delta < -2000) - set_source_rgb(gc, 0.4, 0.8, 0.2); - else if (delta < 0) - set_source_rgb(gc, 0.6, 0.8, 0.2); - else if (delta < 2000) - set_source_rgb(gc, 0.8, 0.8, 0.2); - else if (delta < 4000) - set_source_rgb(gc, 0.8, 0.6, 0.2); - else if (delta < 6000) - set_source_rgb(gc, 0.8, 0.4, 0.2); - else if (delta < 8000) - set_source_rgb(gc, 0.9, 0.3, 0.2); - else - set_source_rgb(gc, 1.0, 0.2, 0.2); + int sac_index = 0; + int delta = sac - avg_sac + 6000; + + sac_index = delta / 2000; + if (sac_index < 0) + sac_index = 0; + if (sac_index > SAC_COLORS - 1) + sac_index = SAC_COLORS - 1; + + set_source_rgb_struct(gc, &sac_color[sac_index]); } /* calculate the current SAC in ml/min and convert to int */ |