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Some cleanup (such as #include cleanup, clearer variable names) in pitchscreen. Also, don't update the full display all the time, but only the necessary parts.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19871 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Martitz 2009-01-28 20:14:01 +00:00
parent 0dd6641872
commit 76ba8ec890
1 changed files with 23 additions and 26 deletions
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49
apps/gui/pitchscreen.c
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@ -24,17 +24,12 @@
#include <stdio.h>
#include "config.h"
#include "sprintf.h"
#include "settings.h"
#include "action.h"
#include "system.h"
#include "font.h"
#include "misc.h"
#include "dsp.h"
#include "sound.h"
#include "pcmbuf.h"
#include "lang.h"
#include "icons.h"
#include "screen_access.h"
#include "screens.h"
#include "statusbar.h"
#include "viewport.h"
@ -66,13 +61,14 @@ enum
static void pitchscreen_fix_viewports(struct viewport *parent,
struct viewport pitch_viewports[PITCH_ITEM_COUNT])
{
short n, height;
int i, height;
height = font_get(parent->font)->height;
for (n = 0; n < PITCH_ITEM_COUNT; n++)
for (i = 0; i < PITCH_ITEM_COUNT; i++)
{
pitch_viewports[n] = *parent;
pitch_viewports[n].height = height;
pitch_viewports[i] = *parent;
pitch_viewports[i].height = height;
}
pitch_viewports[PITCH_TOP].y += ICON_BORDER;
pitch_viewports[PITCH_MID].x += ICON_BORDER;
@ -80,6 +76,7 @@ static void pitchscreen_fix_viewports(struct viewport *parent,
pitch_viewports[PITCH_MID].height = height * 2;
pitch_viewports[PITCH_MID].y += parent->height / 2 -
pitch_viewports[PITCH_MID].height / 2;
pitch_viewports[PITCH_BOTTOM].y += parent->height - height - ICON_BORDER;
}
@ -108,7 +105,7 @@ static void pitchscreen_draw (struct screen *display, int max_lines,
{
unsigned char* ptr;
unsigned char buf[32];
int w, h;
int width_val, w, h;
bool show_lang_pitch;
/* Hide "Pitch up/Pitch down" for a small screen */
@ -126,6 +123,7 @@ static void pitchscreen_draw (struct screen *display, int max_lines,
/* draw text */
display->putsxy((pitch_viewports[PITCH_TOP].width / 2) -
(w / 2), 0, ptr);
display->update_viewport();
/* DOWN: Pitch Down */
display->set_viewport(&pitch_viewports[PITCH_BOTTOM]);
@ -139,6 +137,7 @@ static void pitchscreen_draw (struct screen *display, int max_lines,
/* draw text */
display->putsxy((pitch_viewports[PITCH_BOTTOM].width / 2) -
(w / 2), 0, ptr);
display->update_viewport();
}
display->set_viewport(&pitch_viewports[PITCH_MID]);
@ -150,35 +149,33 @@ static void pitchscreen_draw (struct screen *display, int max_lines,
display->putsxy((pitch_viewports[PITCH_MID].width / 2) - (w / 2),
0, buf);
/* we don't need max_lines any more, reuse it*/
max_lines = w;
/* "XXX.X%" */
snprintf((char *)buf, sizeof(buf), "%d.%d%%",
pitch / 10, pitch % 10 );
display->getstringsize(buf,&w,&h);
display->getstringsize(buf,&width_val,&h);
display->putsxy((pitch_viewports[PITCH_MID].width / 2) - (w / 2),
(show_lang_pitch? h : h/2), buf);
/* What's wider? LANG_PITCH or the value?
* Only interesting if LANG_PITCH is actually drawn */
max_lines = (show_lang_pitch ? ((max_lines > w) ? max_lines : w) : w);
if (show_lang_pitch && width_val > w)
w = width_val;
/* Let's treat '+' and '-' as equally wide
* This saves a getstringsize call
* Also, it wouldn't look nice if -2% shows up, but +2% not */
display->getstringsize("+2%",&w,&h);
max_lines += 2*w;
display->getstringsize("+2%",&width_val,&h);
w += width_val*2;
/* hide +2%/-2% for a narrow screens */
if (max_lines < pitch_viewports[PITCH_MID].width)
if (w <= pitch_viewports[PITCH_MID].width)
{
/* RIGHT: +2% */
display->putsxy(pitch_viewports[PITCH_MID].width - w, h /2, "+2%");
display->putsxy(pitch_viewports[PITCH_MID].width - width_val, h /2, "+2%");
/* LEFT: -2% */
display->putsxy(0, h / 2, "-2%");
}
/* Lastly, a fullscreen update */
display->update_viewport();
display->set_viewport(NULL);
display->update();
}
static int pitch_increase(int pitch, int delta, bool allow_cutoff)
@ -255,16 +252,15 @@ static int pitch_increase_semitone(int pitch, bool up)
int gui_syncpitchscreen_run(void)
{
int button;
int button, i;
int pitch = sound_get_pitch();
int new_pitch, delta = 0;
bool nudged = false;
bool exit = false;
short i;
struct viewport parent[NB_SCREENS]; /* should maybe
be a parameter of this function */
short max_lines[NB_SCREENS];
/* should maybe be passed per parameter later, not needed for now */
struct viewport parent[NB_SCREENS];
struct viewport pitch_viewports[NB_SCREENS][PITCH_ITEM_COUNT];
int max_lines[NB_SCREENS];
/* initialize pitchscreen vps */
FOR_NB_SCREENS(i)
@ -276,11 +272,12 @@ int gui_syncpitchscreen_run(void)
/* also, draw the icons now, it's only needed once */
pitchscreen_draw_icons(&screens[i], &parent[i]);
screens[i].update();
}
#if CONFIG_CODEC == SWCODEC
pcmbuf_set_low_latency(true);
#endif
i = 0;
while (!exit)
{
FOR_NB_SCREENS(i)