Grayscale demo plugin, now using the grayscale library
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4642 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold
parent
a05c413774
commit
e4c1667979
1 changed files with 259 additions and 0 deletions
259
apps/plugins/grayscale.c
Normal file
259
apps/plugins/grayscale.c
Normal file
|
|
@ -0,0 +1,259 @@
|
|||
/***************************************************************************
|
||||
* __________ __ ___.
|
||||
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
||||
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||||
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
||||
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
||||
* \/ \/ \/ \/ \/
|
||||
* $Id$
|
||||
*
|
||||
* Grayscale demo plugin
|
||||
*
|
||||
* Copyright (C) 2004 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef SIMULATOR /* not for simulator by now */
|
||||
#include "plugin.h"
|
||||
|
||||
#ifdef HAVE_LCD_BITMAP /* and also not for the Player */
|
||||
#include "gray.h"
|
||||
|
||||
/******************************* Globals ***********************************/
|
||||
|
||||
static struct plugin_api* rb; /* global api struct pointer */
|
||||
static char pbuf[32]; /* global printf buffer */
|
||||
static unsigned char *gbuf;
|
||||
static unsigned int gbuf_size = 0;
|
||||
|
||||
/**************************** main function ********************************/
|
||||
|
||||
/* this is only a demo of what the framework can do */
|
||||
int main(void)
|
||||
{
|
||||
int shades, time;
|
||||
int x, y, i;
|
||||
int button, scroll_amount;
|
||||
bool black_border;
|
||||
|
||||
static 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 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 unsigned char grayscale_gray[] = {
|
||||
/* .......................................................
|
||||
* ..####.####...###..#...#..####..###...###..#.....#####.
|
||||
* .#.....#...#.#...#.#...#.#.....#...#.#...#.#.....#.....
|
||||
* .#..##.####..#####..#.#...###..#.....#####.#.....####..
|
||||
* .#...#.#..#..#...#...#.......#.#...#.#...#.#.....#.....
|
||||
* ..####.#...#.#...#...#...####...###..#...#.#####.#####.
|
||||
* .......................................................
|
||||
* 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
|
||||
};
|
||||
|
||||
if (rb->global_settings->backlight_timeout > 0)
|
||||
rb->backlight_set_timeout(1); /* keep the light on */
|
||||
|
||||
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 grayscale buffer:
|
||||
* 112 pixels wide, 7 rows (56 pixels) high, (try to) reserve
|
||||
* 32 bitplanes for 33 shades of gray. (uses 25268 bytes)*/
|
||||
shades = gray_init_buffer(gbuf, gbuf_size, 112, 7, 32) + 1;
|
||||
|
||||
/* place grayscale overlay 1 row down */
|
||||
gray_position_display(0, 1);
|
||||
|
||||
rb->snprintf(pbuf, sizeof(pbuf), "Shades: %d", shades);
|
||||
rb->lcd_puts(0, 0, pbuf);
|
||||
rb->lcd_update();
|
||||
|
||||
gray_show_display(true); /* switch on grayscale overlay */
|
||||
|
||||
time = *rb->current_tick; /* start time measurement */
|
||||
|
||||
gray_fillrect(0, 0, 111, 55, 150); /* fill everything with gray 150 */
|
||||
|
||||
/* draw a dark gray line star background */
|
||||
for (y = 0; y < 56; y += 8) /* horizontal part */
|
||||
{
|
||||
gray_drawline(0, y, 111, 55 - y, 80); /* gray lines */
|
||||
}
|
||||
for (x = 10; x < 112; x += 10) /* vertical part */
|
||||
{
|
||||
gray_drawline(x, 0, 111 - x, 55, 80); /* gray lines */
|
||||
}
|
||||
|
||||
gray_drawrect(0, 0, 111, 55, 0); /* black border */
|
||||
|
||||
/* draw gray tones */
|
||||
for (i = 0; i < 86; i++)
|
||||
{
|
||||
x = 13 + i;
|
||||
gray_fillrect(x, 6, x, 49, 3 * i); /* gray rectangles */
|
||||
}
|
||||
|
||||
gray_invertrect(13, 29, 98, 49); /* invert rectangle (lower half) */
|
||||
gray_invertline(13, 27, 98, 27); /* invert a line */
|
||||
|
||||
/* show bitmaps (1 bit and 8 bit) */
|
||||
gray_drawbitmap(rockbox, 14, 13, 43, 7, 43, true, 255, 100); /* opaque */
|
||||
gray_drawbitmap(showing, 58, 13, 39, 7, 39, false, 0, 0); /* transparent */
|
||||
gray_drawgraymap(grayscale_gray, 28, 35, 55, 7, 55);
|
||||
|
||||
time = *rb->current_tick - time; /* end time measurement */
|
||||
|
||||
rb->snprintf(pbuf, sizeof(pbuf), "Shades: %d, %d.%02ds", shades,
|
||||
time / 100, time % 100);
|
||||
rb->lcd_puts(0, 0, pbuf);
|
||||
gray_deferred_update(); /* schedule an lcd_update() */
|
||||
|
||||
/* drawing is now finished, play around with scrolling
|
||||
* until you press OFF or connect USB
|
||||
*/
|
||||
while (true)
|
||||
{
|
||||
scroll_amount = 1;
|
||||
black_border = false;
|
||||
|
||||
button = rb->button_get(true);
|
||||
|
||||
if (button == SYS_USB_CONNECTED)
|
||||
{
|
||||
gray_release_buffer(); /* switch off overlay and deinitialize */
|
||||
/* restore normal backlight setting */
|
||||
rb->backlight_set_timeout(rb->global_settings->backlight_timeout);
|
||||
return PLUGIN_USB_CONNECTED;
|
||||
}
|
||||
|
||||
if (button & BUTTON_ON)
|
||||
black_border = true;
|
||||
|
||||
if (button & BUTTON_REPEAT)
|
||||
scroll_amount = 4;
|
||||
|
||||
switch(button & ~(BUTTON_ON | BUTTON_REPEAT))
|
||||
{
|
||||
case BUTTON_LEFT:
|
||||
|
||||
gray_scroll_left(scroll_amount, black_border); /* scroll left */
|
||||
break;
|
||||
|
||||
case BUTTON_RIGHT:
|
||||
|
||||
gray_scroll_right(scroll_amount, black_border); /* scroll right */
|
||||
break;
|
||||
|
||||
case BUTTON_UP:
|
||||
|
||||
gray_scroll_up(scroll_amount, black_border); /* scroll up */
|
||||
break;
|
||||
|
||||
case BUTTON_DOWN:
|
||||
|
||||
gray_scroll_down(scroll_amount, black_border); /* scroll down */
|
||||
break;
|
||||
|
||||
case BUTTON_OFF:
|
||||
|
||||
gray_release_buffer(); /* switch off overlay and deinitialize */
|
||||
/* restore normal backlight setting */
|
||||
rb->backlight_set_timeout(rb->global_settings->backlight_timeout);
|
||||
return PLUGIN_OK;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*************************** Plugin entry point ****************************/
|
||||
|
||||
enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
|
||||
{
|
||||
int ret;
|
||||
/* this macro should be called as the first thing you do in the plugin.
|
||||
it test that the api version and model the plugin was compiled for
|
||||
matches the machine it is running on */
|
||||
TEST_PLUGIN_API(api);
|
||||
|
||||
rb = api; // copy to global api pointer
|
||||
(void)parameter;
|
||||
|
||||
/* This plugin uses the grayscale framework, so initialize */
|
||||
gray_init(api);
|
||||
|
||||
ret = main();
|
||||
|
||||
if (ret == PLUGIN_USB_CONNECTED)
|
||||
rb->usb_screen();
|
||||
return ret;
|
||||
}
|
||||
|
||||
#endif // #ifdef HAVE_LCD_BITMAP
|
||||
#endif // #ifndef SIMULATOR
|
||||
|
||||
Loading…
Reference in a new issue