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Add vertical alignment setting to text output

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Add new valign enum to text_render_options_t and update all callers to
plot_text

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
[ Fixed spelling, updated to newer base - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dirk Hohndel 2011-09-07 16:52:55 -07:00 committed by Linus Torvalds
parent 11641095ae
commit 06399d7d2f
1 changed files with 23 additions and 6 deletions
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29
profile.c
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@ -58,7 +58,8 @@ static int round_depth_up(depth_t depth)
typedef struct {
double r,g,b;
enum {CENTER,LEFT} allign;
enum {CENTER,LEFT} halign;
enum {MIDDLE,TOP,BOTTOM} valign;
} text_render_options_t;
static void plot_text(struct graphics_context *gc, text_render_options_t *tro,
@ -76,9 +77,25 @@ static void plot_text(struct graphics_context *gc, text_render_options_t *tro,
cairo_text_extents(cr, buffer, &extents);
dx = 0;
if (tro->allign == CENTER)
switch (tro->halign) {
case CENTER:
dx = -(extents.width/2 + extents.x_bearing);
dy = extents.height * 1.2;
break;
case LEFT:
dx = 0;
break;
}
switch (tro->valign) {
case TOP:
dy = extents.height * 1.2;
break;
case BOTTOM:
dy = -extents.height * 0.8;
break;
case MIDDLE:
dy = 0;
break;
}
move_to(gc, x, y);
cairo_rel_move_to(cr, dx, dy);
@ -143,7 +160,7 @@ static struct sample *next_minmax(struct sample *sample, struct sample *end, int
static void render_depth_sample(struct graphics_context *gc, struct sample *sample)
{
text_render_options_t tro = {1.0, 0.2, 0.2, CENTER};
text_render_options_t tro = {1.0, 0.2, 0.2, CENTER, TOP};
int sec = sample->time.seconds;
depth_t depth = sample->depth;
const char *fmt;
@ -363,7 +380,7 @@ static double calculate_airuse(struct dive *dive)
static void plot_info(struct dive *dive, struct graphics_context *gc)
{
text_render_options_t tro = {0.2, 1.0, 0.2, LEFT};
text_render_options_t tro = {0.2, 1.0, 0.2, LEFT, TOP};
const double liters_per_cuft = 28.317;
const char *unit;
double airuse;
@ -418,7 +435,7 @@ static void plot_cylinder_pressure_text(struct dive *dive, struct graphics_conte
break;
}
text_render_options_t tro = {0.2, 1.0, 0.2, LEFT};
text_render_options_t tro = {0.2, 1.0, 0.2, LEFT, TOP};
plot_text(gc, &tro, 0, startp.mbar, "%d %s", start, unit);
plot_text(gc, &tro, dive->duration.seconds, endp.mbar,
"%d %s", end, unit);