1 files changed, 352 insertions, 0 deletions

diff --git a/apps/plugins/greyscale.c b/apps/plugins/greyscale.c
new file mode 100644
index 0000000000..de90d5737f
--- /dev/null
+++ b/apps/plugins/greyscale.c
@@ -0,0 +1,352 @@
+/***************************************************************************
+*             __________               __   ___.
+*   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+*   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+*   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+*   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+*                     \/            \/     \/    \/            \/
+* $Id$
+*
+* Greyscale demo plugin
+*
+* Copyright (C) 2004-2008 Jens Arnold
+*
+* All files in this archive are subject to the GNU General Public License.
+* See the file COPYING in the source tree root for full license agreement.
+*
+* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+* KIND, either express or implied.
+*
+****************************************************************************/
+
+#include "plugin.h"
+#include "helper.h" 
+
+#if defined(HAVE_LCD_BITMAP) && (LCD_DEPTH < 4)
+#include "grey.h"
+
+PLUGIN_HEADER
+
+/* variable button definitions */
+#if CONFIG_KEYPAD == RECORDER_PAD
+#define GREYSCALE_SHIFT BUTTON_ON
+#define GREYSCALE_UP BUTTON_UP
+#define GREYSCALE_DOWN BUTTON_DOWN
+#define GREYSCALE_LEFT BUTTON_LEFT
+#define GREYSCALE_RIGHT BUTTON_RIGHT
+#define GREYSCALE_OFF BUTTON_OFF
+
+#elif CONFIG_KEYPAD == ONDIO_PAD
+#define GREYSCALE_SHIFT BUTTON_MENU
+#define GREYSCALE_UP BUTTON_UP
+#define GREYSCALE_DOWN BUTTON_DOWN
+#define GREYSCALE_LEFT BUTTON_LEFT
+#define GREYSCALE_RIGHT BUTTON_RIGHT
+#define GREYSCALE_OFF BUTTON_OFF
+
+#elif CONFIG_KEYPAD == IRIVER_H100_PAD
+#define GREYSCALE_SHIFT BUTTON_ON
+#define GREYSCALE_UP BUTTON_UP
+#define GREYSCALE_DOWN BUTTON_DOWN
+#define GREYSCALE_LEFT BUTTON_LEFT
+#define GREYSCALE_RIGHT BUTTON_RIGHT
+#define GREYSCALE_OFF BUTTON_OFF
+
+#define GREYSCALE_RC_OFF BUTTON_RC_STOP
+
+#elif (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD) || \
+      (CONFIG_KEYPAD == IPOD_1G2G_PAD)
+#define GREYSCALE_SHIFT BUTTON_SELECT
+#define GREYSCALE_UP BUTTON_SCROLL_BACK
+#define GREYSCALE_DOWN BUTTON_SCROLL_FWD
+#define GREYSCALE_LEFT BUTTON_LEFT
+#define GREYSCALE_RIGHT BUTTON_RIGHT
+#define GREYSCALE_OFF BUTTON_MENU
+
+#elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD
+#define GREYSCALE_SHIFT BUTTON_PLAY
+#define GREYSCALE_UP BUTTON_UP
+#define GREYSCALE_DOWN BUTTON_DOWN
+#define GREYSCALE_LEFT BUTTON_LEFT
+#define GREYSCALE_RIGHT BUTTON_RIGHT
+#define GREYSCALE_OFF BUTTON_EQ
+#endif
+
+#define GFX_HEIGHT (LCD_HEIGHT-8)
+#if LCD_WIDTH < 160
+#define GFX_GREYTONE_WIDTH 86
+#define GFX_GREYTONE_STEP 3
+#else
+#define GFX_GREYTONE_WIDTH 128
+#define GFX_GREYTONE_STEP 2
+#endif
+/******************************* Globals ***********************************/
+
+static struct plugin_api* rb; /* global api struct pointer */
+static char pbuf[32];         /* global printf buffer */
+static unsigned char *gbuf;
+static size_t gbuf_size = 0;
+
+/**************************** main function ********************************/
+
+void cleanup(void *parameter)
+{
+    (void)parameter;
+
+    grey_release(); /* switch off overlay and deinitialize */
+    /* Turn on backlight timeout (revert to settings) */
+    backlight_use_settings(rb); /* backlight control in lib/helper.c */
+}
+
+/* this is only a demo of what the framework can do */
+int main(void)
+{
+    int time;
+    int x, y, i;
+    int button, scroll_amount;
+    bool black_border = false;
+
+    static const unsigned char rockbox[] = {
+    /* ...........................................
+     * .####...###...###..#...#.####...###..#...#.
+     * .#...#.#...#.#...#.#..#..#...#.#...#..#.#..
+     * .####..#...#.#.....###...####..#...#...#...
+     * .#..#..#...#.#...#.#..#..#...#.#...#..#.#..
+     * .#...#..###...###..#...#.####...###..#...#.
+     * ...........................................
+     * 43 x 7 pixel, 1 bpp
+     */
+       0x00, 0x3E, 0x0A, 0x0A, 0x1A, 0x24, 0x00, 0x1C, 0x22, 0x22,
+       0x22, 0x1C, 0x00, 0x1C, 0x22, 0x22, 0x22, 0x14, 0x00, 0x3E,
+       0x08, 0x08, 0x14, 0x22, 0x00, 0x3E, 0x2A, 0x2A, 0x2A, 0x14,
+       0x00, 0x1C, 0x22, 0x22, 0x22, 0x1C, 0x00, 0x22, 0x14, 0x08,
+       0x14, 0x22, 0x00
+    };
+    
+    static const unsigned char showing[] = {
+    /* .......................................
+     * ..####.#...#..###..#...#.#.#...#..####.
+     * .#.....#...#.#...#.#...#.#.##..#.#.....
+     * ..###..#####.#...#.#.#.#.#.#.#.#.#..##.
+     * .....#.#...#.#...#.#.#.#.#.#..##.#...#.
+     * .####..#...#..###...#.#..#.#...#..####.
+     * .......................................
+     * 39 x 7 pixel, 1 bpp
+     */
+       0x00, 0x24, 0x2A, 0x2A, 0x2A, 0x12, 0x00, 0x3E, 0x08, 0x08,
+       0x08, 0x3E, 0x00, 0x1C, 0x22, 0x22, 0x22, 0x1C, 0x00, 0x1E,
+       0x20, 0x18, 0x20, 0x1E, 0x00, 0x3E, 0x00, 0x3E, 0x04, 0x08,
+       0x10, 0x3E, 0x00, 0x1C, 0x22, 0x22, 0x2A, 0x3A, 0x00
+    };
+    
+    static const unsigned char grayscale_grey[] = {
+    /* .......................................................
+     * ..####.####...###..#...#..####..###...###..#.....#####.
+     * .#.....#...#.#...#.#...#.#.....#...#.#...#.#.....#.....
+     * .#..##.####..#####..#.#...###..#.....#####.#.....####..
+     * .#...#.#..#..#...#...#.......#.#...#.#...#.#.....#.....
+     * ..####.#...#.#...#...#...####...###..#...#.#####.#####.
+     * .......................................................
+     * 55 x 7 pixel, 8 bpp
+     */
+       110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
+       110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
+       110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
+       110,110,110,110,110,110,110,
+       120,120, 20, 20, 20, 20,120,222,222,222,222,120,120,120, 24, 24,
+        24,120,120,226,120,120,120,226,120,120, 28, 28, 28, 28,120,120,
+       230,230,230,120,120,120, 32, 32, 32,120,120,234,120,120,120,120,
+       120, 36, 36, 36, 36, 36,120,
+       130, 20,130,130,130,130,130,222,130,130,130,222,130, 24,130,130,
+       130, 24,130,226,130,130,130,226,130, 28,130,130,130,130,130,230,
+       130,130,130,230,130, 32,130,130,130, 32,130,234,130,130,130,130,
+       130, 36,130,130,130,130,130,
+       140, 20,140,140, 20, 20,140,222,222,222,222,140,140, 24, 24, 24,
+        24, 24,140,140,226,140,226,140,140,140, 28, 28, 28,140,140,230,
+       140,140,140,140,140, 32, 32, 32, 32, 32,140,234,140,140,140,140,
+       140, 36, 36, 36, 36,140,140,
+       130, 20,130,130,130, 20,130,222,130,130,222,130,130, 24,130,130,
+       130, 24,130,130,130,226,130,130,130,130,130,130,130, 28,130,230,
+       130,130,130,230,130, 32,130,130,130, 32,130,234,130,130,130,130,
+       130, 36,130,130,130,130,130,
+       120,120, 20, 20, 20, 20,120,222,120,120,120,222,120, 24,120,120,
+       120, 24,120,120,120,226,120,120,120, 28, 28, 28, 28,120,120,120,
+       230,230,230,120,120, 32,120,120,120, 32,120,234,234,234,234,234,
+       120, 36, 36, 36, 36, 36,120,
+       110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
+       110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
+       110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
+       110,110,110,110,110,110,110
+    };
+
+    /* Turn off backlight timeout */
+    backlight_force_on(rb); /* backlight control in lib/helper.c */
+
+    rb->lcd_setfont(FONT_SYSFIXED);   /* select default font */
+
+    /* get the remainder of the plugin buffer */
+    gbuf = (unsigned char *) rb->plugin_get_buffer(&gbuf_size);
+
+    /* initialize the greyscale buffer:
+       Archos: 112 pixels wide, 7 rows (56 pixels) high.
+       H1x0: 160 pixels wide, 30 rows (120 pixels) high. */
+    if (!grey_init(rb, gbuf, gbuf_size, true, LCD_WIDTH, GFX_HEIGHT, NULL))
+    {
+        rb->splash(HZ, "Not enough memory.");
+        return PLUGIN_ERROR;
+    }
+
+    /* place greyscale overlay 1 row down */
+    grey_set_position(0, 8);
+
+    rb->lcd_puts(0, 0, "Shades: 129");
+    rb->lcd_update();
+
+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
+    rb->cpu_boost(true);
+#endif
+    grey_show(true);          /* switch on greyscale overlay */
+
+    time = *rb->current_tick; /* start time measurement */
+
+    grey_set_background(150);
+    grey_clear_display();     /* fill everything with grey 150 */
+
+    /* draw a dark grey line star background */
+    grey_set_foreground(80);
+    for (y = 0; y < GFX_HEIGHT; y += 8)                   /* horizontal part */
+    {
+        grey_drawline(0, y, (LCD_WIDTH-1), (GFX_HEIGHT-1) - y); /*grey lines */
+    }
+    for (x = 10; x <= LCD_WIDTH; x += 10)                    /* vertical part */
+    {
+        grey_drawline(x, 0, (LCD_WIDTH-1) - x, (GFX_HEIGHT-1)); /*grey lines */
+    }
+
+    grey_set_foreground(0);
+    grey_drawrect(0, 0, LCD_WIDTH, GFX_HEIGHT);   /* black border */
+
+    /* draw grey tones */
+    for (i = 0; i < GFX_GREYTONE_WIDTH; i++)
+    {
+        x = ((LCD_WIDTH-GFX_GREYTONE_WIDTH)/2) + i;
+        grey_set_foreground(GFX_GREYTONE_STEP * i);
+        /* vertical lines */
+        grey_vline(x, (GFX_HEIGHT/8), (GFX_HEIGHT-GFX_HEIGHT/8-1));
+    }
+
+    grey_set_drawmode(DRMODE_COMPLEMENT);
+    /* invert rectangle (lower half) */
+    grey_fillrect((LCD_WIDTH-GFX_GREYTONE_WIDTH)/2, (GFX_HEIGHT/2+1),
+                  GFX_GREYTONE_WIDTH, (GFX_HEIGHT/2-GFX_HEIGHT/8-1));
+    /* invert a line */
+    grey_hline((LCD_WIDTH-GFX_GREYTONE_WIDTH)/2,
+               (LCD_WIDTH+GFX_GREYTONE_WIDTH)/2, (GFX_HEIGHT/2-1));
+
+    /* show bitmaps (1 bit and 8 bit) */
+    /* opaque */
+    grey_set_drawinfo(DRMODE_SOLID, 255, 100);
+    grey_mono_bitmap(rockbox,
+                     MAX((LCD_WIDTH/2-47), ((LCD_WIDTH-GFX_GREYTONE_WIDTH)/2)),
+                     (5*GFX_HEIGHT/16-4), 43, 7);
+    /* transparent */
+    grey_set_drawinfo(DRMODE_FG, 0, 100);
+    grey_mono_bitmap(showing, (LCD_WIDTH/2+4) , (5*GFX_HEIGHT/16-4), 39, 7);
+    /* greyscale */
+    grey_gray_bitmap(grayscale_grey, ((LCD_WIDTH-55)/2), (11*GFX_HEIGHT/16-4),
+                     55, 7);
+
+    grey_update();
+
+    time = *rb->current_tick - time;  /* end time measurement */
+
+    rb->snprintf(pbuf, sizeof(pbuf), "Shades: 129, %d.%02ds", 
+                 time / 100, time % 100);
+    rb->lcd_puts(0, 0, pbuf);
+    grey_deferred_lcd_update();       /* schedule an lcd_update() */
+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
+    rb->cpu_boost(false);
+#endif
+
+    /* drawing is now finished, play around with scrolling 
+     * until you press OFF or connect USB
+     */
+    grey_set_background(255);
+    while (true)
+    {
+        scroll_amount = 1;
+
+        button = rb->button_get(true);
+
+        if (rb->default_event_handler_ex(button, cleanup, NULL) 
+            == SYS_USB_CONNECTED)
+            return PLUGIN_USB_CONNECTED;
+
+        if (button & GREYSCALE_SHIFT)
+        {
+            if (!black_border)
+            {
+                grey_set_background(0);
+                black_border = true;
+            }
+        }
+        else
+        {
+            if (black_border)
+            {
+                grey_set_background(255);
+                black_border = false;
+            }
+        }
+
+        if (button & BUTTON_REPEAT)
+            scroll_amount = 4;
+
+        switch (button & ~(GREYSCALE_SHIFT | BUTTON_REPEAT))
+        {
+            case GREYSCALE_LEFT:
+
+                grey_scroll_left(scroll_amount);  /* scroll left */
+                grey_update();
+                break;
+
+            case GREYSCALE_RIGHT:
+
+                grey_scroll_right(scroll_amount); /* scroll right */
+                grey_update();
+                break;
+
+            case GREYSCALE_UP:
+
+                grey_scroll_up(scroll_amount);    /* scroll up */
+                grey_update();
+                break;
+
+            case GREYSCALE_DOWN:
+
+                grey_scroll_down(scroll_amount);  /* scroll down */
+                grey_update();
+                break;
+#ifdef GREYSCALE_RC_OFF
+            case GREYSCALE_RC_OFF:
+#endif
+            case GREYSCALE_OFF:
+
+                cleanup(NULL);
+                return PLUGIN_OK;
+        }
+    }
+}
+
+/*************************** Plugin entry point ****************************/
+
+enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
+{
+    rb = api; /* copy to global api pointer */
+    (void)parameter;
+
+    return main();
+}
+
+#endif /* #ifdef HAVE_LCD_BITMAP */
+