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atrf-path: visualize the limits in GUI mode

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- gui.c (avg2y, segment): moved mapping from measurement to y position
  to separate function, to allow for sharing
- gui.c (LIMIT_RGBA, draw_limit, gui): draw the limits
This commit is contained in:
Werner Almesberger 2011-04-13 19:08:23 -03:00
parent a1fc867bf2
commit f32f48ae26
1 changed files with 27 additions and 1 deletions
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28
tools/atrf-path/gui.c
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@ -33,6 +33,7 @@
#define OK_RGBA 0x00ff00ff #define OK_RGBA 0x00ff00ff
#define OVER_RGBA 0xffff00ff #define OVER_RGBA 0xffff00ff
#define UNDER_RGBA 0xff0000ff #define UNDER_RGBA 0xff0000ff
#define LIMIT_RGBA 0xff0000ff
#define CHAN_STEP 20 /* 4 pixels/MHz */ #define CHAN_STEP 20 /* 4 pixels/MHz */
#define SIDE_STEP 2 #define SIDE_STEP 2
@ -45,10 +46,16 @@
#define STATUS_R 8 #define STATUS_R 8
static int avg2y(double avg)
{
return YRES-(avg-Y_MIN)/(Y_MAX-Y_MIN)*YRES-1;
}
static void segment(SDL_Surface *s, int *last_x, int *last_y, int x, static void segment(SDL_Surface *s, int *last_x, int *last_y, int x,
const struct sample *res, int first) const struct sample *res, int first)
{ {
int y = YRES-(res->avg-Y_MIN)/(Y_MAX-Y_MIN)*YRES-1; int y = avg2y(res->avg);
if (!first) { if (!first) {
aalineColor(s, *last_x, *last_y, x, y, FG_RGBA); aalineColor(s, *last_x, *last_y, x, y, FG_RGBA);
@ -83,6 +90,23 @@ static void draw(SDL_Surface *s, const struct sample *res, int cont_tx)
} }
static void draw_limit(SDL_Surface *s, const double *v)
{
int x, y, i, last = 0;
x = CHAN_X_OFFSET;
for (i = 0; i != N_CHAN; i++) {
y = avg2y(*v);
if (i)
vlineColor(s, x-CHAN_STEP/2, last, y, LIMIT_RGBA);
hlineColor(s, x-CHAN_STEP/2, x+CHAN_STEP/2, y, LIMIT_RGBA);
last = y;
x += CHAN_STEP;
v++;
}
}
static void indicate(SDL_Surface *s, int fail) static void indicate(SDL_Surface *s, int fail)
{ {
static uint32_t last = 0; static uint32_t last = 0;
@ -179,6 +203,8 @@ void gui(const struct sweep *sweep, int sweeps)
clear(surf); clear(surf);
draw_limit(surf, sweep->min);
draw_limit(surf, sweep->max);
indicate(surf, fail); indicate(surf, fail);
draw(surf, res, sweep->cont_tx); draw(surf, res, sweep->cont_tx);