1
0
Fork 0
forked from len0rd/rockbox

Patch #4936 from Jonathan Gordon with a small change by me. slideshow support for JPEG viewer

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9340 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Christian Gmeiner 2006-03-29 10:12:39 +00:00
parent 6ce466ea2c
commit 47bf642002

View file

@ -11,7 +11,7 @@
* (This is a real mess if it has to be coded in one single C file)
*
* File scrolling addition (C) 2005 Alexander Spyridakis
* Copyright (C) 2004 Jörg Hohensohn aka [IDC]Dragon
* Copyright (C) 2004 J<EFBFBD>g Hohensohn aka [IDC]Dragon
* Grayscale framework (C) 2004 Jens Arnold
* Heavily borrowed from the IJG implementation (C) Thomas G. Lane
* Small & fast downscaling IDCT (C) 2002 by Guido Vollbeding JPEGclub.org
@ -25,6 +25,7 @@
****************************************************************************/
#include "plugin.h"
#include "playback_control.h"
#ifdef HAVE_LCD_BITMAP
#include "gray.h"
@ -40,9 +41,9 @@ PLUGIN_HEADER
#define JPEG_DOWN BUTTON_DOWN
#define JPEG_LEFT BUTTON_LEFT
#define JPEG_RIGHT BUTTON_RIGHT
#define JPEG_QUIT BUTTON_OFF
#define JPEG_NEXT BUTTON_F3
#define JPEG_PREVIOUS BUTTON_F2
#define JPEG_MENU BUTTON_OFF
#elif CONFIG_KEYPAD == ONDIO_PAD
@ -53,9 +54,9 @@ PLUGIN_HEADER
#define JPEG_DOWN BUTTON_DOWN
#define JPEG_LEFT BUTTON_LEFT
#define JPEG_RIGHT BUTTON_RIGHT
#define JPEG_QUIT BUTTON_OFF
#define JPEG_NEXT (BUTTON_MENU | BUTTON_RIGHT)
#define JPEG_PREVIOUS (BUTTON_MENU | BUTTON_LEFT)
#define JPEG_MENU BUTTON_OFF
#elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
(CONFIG_KEYPAD == IRIVER_H300_PAD)
@ -65,7 +66,6 @@ PLUGIN_HEADER
#define JPEG_DOWN BUTTON_DOWN
#define JPEG_LEFT BUTTON_LEFT
#define JPEG_RIGHT BUTTON_RIGHT
#define JPEG_QUIT BUTTON_OFF
#if (CONFIG_KEYPAD == IRIVER_H100_PAD)
#define JPEG_NEXT BUTTON_ON
#define JPEG_PREVIOUS BUTTON_REC
@ -73,6 +73,7 @@ PLUGIN_HEADER
#define JPEG_NEXT BUTTON_REC
#define JPEG_PREVIOUS BUTTON_ON
#endif
#define JPEG_MENU BUTTON_OFF
#elif (CONFIG_KEYPAD == IPOD_3G_PAD) || (CONFIG_KEYPAD == IPOD_4G_PAD)
#define JPEG_ZOOM_IN BUTTON_SCROLL_FWD
@ -81,8 +82,10 @@ PLUGIN_HEADER
#define JPEG_DOWN BUTTON_PLAY
#define JPEG_LEFT BUTTON_LEFT
#define JPEG_RIGHT BUTTON_RIGHT
#define JPEG_QUIT (BUTTON_SELECT | BUTTON_MENU)
#define JPEG_NEXT (BUTTON_SELECT | BUTTON_RIGHT)
#define JPEG_MENU (BUTTON_SELECT | BUTTON_MENU)
#define JPEG_NEXT_PRE (BUTTON_SELECT | BUTTON_RIGHT)
#define JPEG_NEXT (BUTTON_SELECT | BUTTON_RIGHT | BUTTON_REL)
#define JPEG_TOGGLE_SLIDESHOW (BUTTON_SELECT | BUTTON_RIGHT | BUTTON_REPEAT)
#define JPEG_PREVIOUS (BUTTON_SELECT |BUTTON_LEFT)
#elif CONFIG_KEYPAD == IAUDIO_X5_PAD
@ -93,8 +96,10 @@ PLUGIN_HEADER
#define JPEG_DOWN BUTTON_DOWN
#define JPEG_LEFT BUTTON_LEFT
#define JPEG_RIGHT BUTTON_RIGHT
#define JPEG_QUIT BUTTON_POWER
#define JPEG_NEXT BUTTON_PLAY
#define JPEG_MENU BUTTON_POWER
#define JPEG_NEXT_PRE BUTTON_PLAY
#define JPEG_NEXT (BUTTON_PLAY|BUTTON_REL)
#define JPEG_TOGGLE_SLIDESHOW (BUTTON_PLAY|BUTTON_REPEAT)
#define JPEG_PREVIOUS BUTTON_REC
#elif CONFIG_KEYPAD == GIGABEAT_PAD
@ -105,7 +110,7 @@ PLUGIN_HEADER
#define JPEG_DOWN BUTTON_DOWN
#define JPEG_LEFT BUTTON_LEFT
#define JPEG_RIGHT BUTTON_RIGHT
#define JPEG_QUIT BUTTON_A
#define JPEG_MENU BUTTON_A
#define JPEG_NEXT (BUTTON_POWER | BUTTON_RIGHT)
#define JPEG_PREVIOUS (BUTTON_POWER | BUTTON_LEFT)
@ -151,7 +156,8 @@ static struct plugin_api* rb;
#define INLINE static inline
#define ENDIAN_SWAP16(n) n /* only for poor little endian machines */
static int slideshow_enabled = false;
static int button_timeout = HZ*5;
/**************** begin JPEG code ********************/
@ -2069,6 +2075,76 @@ void cleanup(void *parameter)
#define ZOOM_IN 100 /* return codes for below function */
#define ZOOM_OUT 101
int show_menu() /* return 1 to quit */
{
int m;
int result;
static const struct menu_item items[] = {
{ "Quit", NULL },
{ "Toggle Slideshow Mode", NULL },
{ "Change Slideshow Timeout", NULL },
{ "Show Playback Menu", NULL },
{ "Return", NULL },
};
static const struct opt_items slideshow[2] = {
{"Disable",NULL},
{"Enable",NULL},
};
static const struct opt_items timeout[12] = {
{ "1 second", NULL },
{ "2 seconds", NULL },
{ "3 seconds", NULL },
{ "4 seconds", NULL },
{ "5 seconds", NULL },
{ "6 seconds", NULL },
{ "7 seconds", NULL },
{ "8 seconds", NULL },
{ "9 seconds", NULL },
{ "10 seconds", NULL },
{ "15 seconds", NULL },
{ "20 seconds", NULL },
};
m = rb->menu_init(items, sizeof(items) / sizeof(*items),
NULL, NULL, NULL, NULL);
result=rb->menu_show(m);
switch (result)
{
case 0:
rb->menu_exit(m);
return 1;
break;
case 1: //toggle slideshow
rb->set_option("Toggle Slideshow", &slideshow_enabled, INT,
slideshow , 2, NULL);
break;
case 2:
switch (button_timeout/HZ)
{
case 10: result = 9; break;
case 15: result = 10; break;
case 20: result = 11; break;
default: result = (button_timeout/HZ)-1; break;
}
rb->set_option("Slideshow Timeout", &result, INT,
timeout , 12, NULL);
switch (result)
{
case 9: button_timeout = 10*HZ; break;
case 10: button_timeout = 15*HZ; break;
case 11: button_timeout = 20*HZ; break;
default: button_timeout = (result+1)*HZ; break;
}
break;
case 3:
playback_control(rb);
break;
case 4:
MYLCD(clear_display)();
break;
}
rb->menu_exit(m);
return 0;
}
/* interactively scroll around the image */
int scroll_bmp(struct t_disp* pdisp)
{
@ -2079,7 +2155,9 @@ int scroll_bmp(struct t_disp* pdisp)
int button;
int move;
button = rb->button_get(true);
if (slideshow_enabled)
button = rb->button_get_w_tmo(button_timeout);
else button = rb->button_get(true);
switch(button)
{
@ -2180,8 +2258,17 @@ int scroll_bmp(struct t_disp* pdisp)
MYLCD_UPDATE();
}
break;
case BUTTON_NONE:
if (!slideshow_enabled)
break;
if (entries > 0)
return change_filename(DIR_NEXT);
break;
case JPEG_NEXT:
#ifdef JPEG_NEXT_PRE
if (lastbutton != JPEG_NEXT_PRE)
break;
#endif
if (entries > 0)
return change_filename(DIR_NEXT);
break;
@ -2207,9 +2294,25 @@ int scroll_bmp(struct t_disp* pdisp)
return ZOOM_OUT;
break;
case JPEG_QUIT:
case JPEG_MENU:
#ifdef USEGSLIB
gray_show(false); /* switch off grayscale overlay */
#endif
if (show_menu() == 1)
return PLUGIN_OK;
#ifdef USEGSLIB
gray_show(true); /* switch on grayscale overlay */
#else
yuv_bitmap_part(
pdisp->bitmap, pdisp->csub_x, pdisp->csub_y,
pdisp->x, pdisp->y, pdisp->stride,
MAX(0, (LCD_WIDTH - pdisp->width) / 2),
MAX(0, (LCD_HEIGHT - pdisp->height) / 2),
MIN(LCD_WIDTH, pdisp->width),
MIN(LCD_HEIGHT, pdisp->height));
MYLCD_UPDATE();
#endif
break;
default:
if (rb->default_event_handler_ex(button, cleanup, NULL)
== SYS_USB_CONNECTED)
@ -2463,7 +2566,7 @@ int load_and_show(char* filename)
/*try again this file, now using the audio buffer */
return PLUGIN_OTHER;
case JPEG_QUIT:
case JPEG_MENU:
return PLUGIN_OK;
case JPEG_LEFT: