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ubb-la/gui.c: mark the center of the view area

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This commit is contained in:
Werner Almesberger 2013-01-31 03:25:21 -03:00
parent a83d8bf323
commit b0a576dd64
1 changed files with 10 additions and 1 deletions
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11
ubb-la/gui.c
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@ -40,6 +40,7 @@
#define UNIT_RGBA 0xb0e0ffff /* units */ #define UNIT_RGBA 0xb0e0ffff /* units */
#define MAP_BUF_RGBA 0x808080ff /* buffer in the map */ #define MAP_BUF_RGBA 0x808080ff /* buffer in the map */
#define MAP_VIEW_RGBA 0xffffffff /* current view in the map */ #define MAP_VIEW_RGBA 0xffffffff /* current view in the map */
#define CENTER_RGBA 0x5080ffff /* center marker */
#define LEVEL_RGBA 0xffff00ff /* constant level or single change */ #define LEVEL_RGBA 0xffff00ff /* constant level or single change */
#define BOUNCE_RGBA 0xff8080ff /* bouncing signal */ #define BOUNCE_RGBA 0xff8080ff /* bouncing signal */
#define LABEL_RGBA 0xffffffff /* channel label */ #define LABEL_RGBA 0xffffffff /* channel label */
@ -57,6 +58,10 @@
#define MAP_VIEW_Y0 0 #define MAP_VIEW_Y0 0
#define MAP_VIEW_Y1 10 #define MAP_VIEW_Y1 10
#define CENTER_W 8
#define CENTER_Y0 20
#define CENTER_Y1 24
#define CH_XOFF 30 #define CH_XOFF 30
#define CH_YOFF 30 #define CH_YOFF 30
#define CH_SKIP 16 #define CH_SKIP 16
@ -381,7 +386,8 @@ static void show_divisions(void)
for (i = -n; i <= n; i++) for (i = -n; i <= n; i++)
vlineColor(surf, XCENTER+i*DIV_X, vlineColor(surf, XCENTER+i*DIV_X,
ch_y(0, 1)-DIV_Y, ch_y(3, 0)+DIV_Y, DIV_RGBA); ch_y(0, 1)-DIV_Y, ch_y(3, 0)+DIV_Y,
i ? DIV_RGBA : CENTER_RGBA);
} }
@ -410,6 +416,9 @@ void gui(const uint8_t *buf, int skip, int nibbles, double freq)
for (i = 0; i != 4; i++) for (i = 0; i != 4; i++)
textf(0, ch_y(i, 1), LABEL_RGBA, "CH%d", i); textf(0, ch_y(i, 1), LABEL_RGBA, "CH%d", i);
show_divisions(); show_divisions();
filledTrigonColor(surf, XCENTER, CENTER_Y1,
XCENTER-CENTER_W/2, CENTER_Y0,
XCENTER+CENTER_W/2, CENTER_Y0, CENTER_RGBA);
show_buffer(buf, skip, nibbles, CH_XOFF, XRES, zoom, pos); show_buffer(buf, skip, nibbles, CH_XOFF, XRES, zoom, pos);
show_freq(freq, zoom); show_freq(freq, zoom);
update(); update();