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Fractals: Use overlay (do not clear the screen and paint the same region) when changing precision

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24275 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Tomer Shalev 2010-01-18 16:36:06 +00:00
parent 26542ddc84
commit 39e51cc66e
1 changed files with 16 additions and 9 deletions
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25
apps/plugins/fractals/fractal.c
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@ -46,9 +46,10 @@ static unsigned char *gbuf;
static size_t gbuf_size = 0; static size_t gbuf_size = 0;
#endif #endif
#define REDRAW_NONE 0 #define REDRAW_NONE 0
#define REDRAW_PARTIAL 1 #define REDRAW_PARTIAL 1
#define REDRAW_FULL 2 #define REDRAW_FULL 2
#define REDRAW_FULL_OVERLAY 3
PLUGIN_HEADER PLUGIN_HEADER
@ -139,11 +140,17 @@ enum plugin_status plugin_start(const void* parameter)
#ifdef HAVE_ADJUSTABLE_CPU_FREQ #ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(true); rb->cpu_boost(true);
#endif #endif
if (redraw == REDRAW_FULL) switch (redraw)
{ {
MYLCD(clear_display)(); case REDRAW_FULL:
MYLCD_UPDATE(); MYLCD(clear_display)();
rects_queue_init(); MYLCD_UPDATE();
/* fall-through */
case REDRAW_FULL_OVERLAY:
rects_queue_init();
break;
default:
break;
} }
/* paint all rects */ /* paint all rects */
@ -229,7 +236,7 @@ enum plugin_status plugin_start(const void* parameter)
break; break;
#endif #endif
if (ops->precision(-1)) if (ops->precision(-1))
redraw = REDRAW_FULL; redraw = REDRAW_FULL_OVERLAY;
break; break;
@ -239,7 +246,7 @@ enum plugin_status plugin_start(const void* parameter)
break; break;
#endif #endif
if (ops->precision(+1)) if (ops->precision(+1))
redraw = REDRAW_FULL; redraw = REDRAW_FULL_OVERLAY;
break; break;