9db31cf886
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5264 a1c6a512-1295-4272-9138-f99709370657
271 lines
9.6 KiB
C
271 lines
9.6 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Grayscale demo plugin
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*
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* Copyright (C) 2004 Jens Arnold
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef SIMULATOR /* not for simulator by now */
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#include "plugin.h"
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#ifdef HAVE_LCD_BITMAP /* and also not for the Player */
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#include "gray.h"
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/* variable button definitions */
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#if CONFIG_KEYPAD == RECORDER_PAD
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#define GRAYSCALE_SHIFT BUTTON_ON
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#elif CONFIG_KEYPAD == ONDIO_PAD
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#define GRAYSCALE_SHIFT BUTTON_MENU
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#endif
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/******************************* Globals ***********************************/
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static struct plugin_api* rb; /* global api struct pointer */
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static char pbuf[32]; /* global printf buffer */
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static unsigned char *gbuf;
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static unsigned int gbuf_size = 0;
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/**************************** main function ********************************/
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void cleanup(void *parameter)
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{
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(void)parameter;
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gray_release_buffer(); /* switch off overlay and deinitialize */
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/* restore normal backlight setting */
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rb->backlight_set_timeout(rb->global_settings->backlight_timeout);
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}
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/* this is only a demo of what the framework can do */
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int main(void)
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{
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int shades, time;
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int x, y, i;
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int button, scroll_amount;
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bool black_border;
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static const unsigned char rockbox[] = {
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/* ...........................................
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* .####...###...###..#...#.####...###..#...#.
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* .#...#.#...#.#...#.#..#..#...#.#...#..#.#..
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* .####..#...#.#.....###...####..#...#...#...
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* .#..#..#...#.#...#.#..#..#...#.#...#..#.#..
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* .#...#..###...###..#...#.####...###..#...#.
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* ...........................................
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* 43 x 7 pixel, 1 bpp
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*/
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0x00, 0x3E, 0x0A, 0x0A, 0x1A, 0x24, 0x00, 0x1C, 0x22, 0x22,
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0x22, 0x1C, 0x00, 0x1C, 0x22, 0x22, 0x22, 0x14, 0x00, 0x3E,
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0x08, 0x08, 0x14, 0x22, 0x00, 0x3E, 0x2A, 0x2A, 0x2A, 0x14,
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0x00, 0x1C, 0x22, 0x22, 0x22, 0x1C, 0x00, 0x22, 0x14, 0x08,
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0x14, 0x22, 0x00
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};
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static const unsigned char showing[] = {
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/* .......................................
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* ..####.#...#..###..#...#.#.#...#..####.
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* .#.....#...#.#...#.#...#.#.##..#.#.....
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* ..###..#####.#...#.#.#.#.#.#.#.#.#..##.
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* .....#.#...#.#...#.#.#.#.#.#..##.#...#.
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* .####..#...#..###...#.#..#.#...#..####.
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* .......................................
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* 39 x 7 pixel, 1 bpp
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*/
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0x00, 0x24, 0x2A, 0x2A, 0x2A, 0x12, 0x00, 0x3E, 0x08, 0x08,
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0x08, 0x3E, 0x00, 0x1C, 0x22, 0x22, 0x22, 0x1C, 0x00, 0x1E,
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0x20, 0x18, 0x20, 0x1E, 0x00, 0x3E, 0x00, 0x3E, 0x04, 0x08,
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0x10, 0x3E, 0x00, 0x1C, 0x22, 0x22, 0x2A, 0x3A, 0x00
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};
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static const unsigned char grayscale_gray[] = {
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/* .......................................................
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* ..####.####...###..#...#..####..###...###..#.....#####.
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* .#.....#...#.#...#.#...#.#.....#...#.#...#.#.....#.....
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* .#..##.####..#####..#.#...###..#.....#####.#.....####..
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* .#...#.#..#..#...#...#.......#.#...#.#...#.#.....#.....
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* ..####.#...#.#...#...#...####...###..#...#.#####.#####.
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* .......................................................
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* 55 x 7 pixel, 8 bpp
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*/
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110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
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110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
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110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
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110,110,110,110,110,110,110,
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120,120, 20, 20, 20, 20,120,222,222,222,222,120,120,120, 24, 24,
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24,120,120,226,120,120,120,226,120,120, 28, 28, 28, 28,120,120,
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230,230,230,120,120,120, 32, 32, 32,120,120,234,120,120,120,120,
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120, 36, 36, 36, 36, 36,120,
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130, 20,130,130,130,130,130,222,130,130,130,222,130, 24,130,130,
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130, 24,130,226,130,130,130,226,130, 28,130,130,130,130,130,230,
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130,130,130,230,130, 32,130,130,130, 32,130,234,130,130,130,130,
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130, 36,130,130,130,130,130,
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140, 20,140,140, 20, 20,140,222,222,222,222,140,140, 24, 24, 24,
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24, 24,140,140,226,140,226,140,140,140, 28, 28, 28,140,140,230,
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140,140,140,140,140, 32, 32, 32, 32, 32,140,234,140,140,140,140,
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140, 36, 36, 36, 36,140,140,
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130, 20,130,130,130, 20,130,222,130,130,222,130,130, 24,130,130,
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130, 24,130,130,130,226,130,130,130,130,130,130,130, 28,130,230,
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130,130,130,230,130, 32,130,130,130, 32,130,234,130,130,130,130,
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130, 36,130,130,130,130,130,
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120,120, 20, 20, 20, 20,120,222,120,120,120,222,120, 24,120,120,
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120, 24,120,120,120,226,120,120,120, 28, 28, 28, 28,120,120,120,
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230,230,230,120,120, 32,120,120,120, 32,120,234,234,234,234,234,
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120, 36, 36, 36, 36, 36,120,
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110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
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110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
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110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
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110,110,110,110,110,110,110
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};
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if (rb->global_settings->backlight_timeout > 0)
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rb->backlight_set_timeout(1); /* keep the light on */
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rb->lcd_setfont(FONT_SYSFIXED); /* select default font */
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/* get the remainder of the plugin buffer */
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gbuf = (unsigned char *) rb->plugin_get_buffer(&gbuf_size);
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/* initialize the grayscale buffer:
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* 112 pixels wide, 7 rows (56 pixels) high, (try to) reserve
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* 32 bitplanes for 33 shades of gray. (uses 25268 bytes)*/
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shades = gray_init_buffer(gbuf, gbuf_size, 112, 7, 32, NULL) + 1;
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/* place grayscale overlay 1 row down */
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gray_position_display(0, 1);
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rb->snprintf(pbuf, sizeof(pbuf), "Shades: %d", shades);
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rb->lcd_puts(0, 0, pbuf);
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rb->lcd_update();
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gray_show_display(true); /* switch on grayscale overlay */
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time = *rb->current_tick; /* start time measurement */
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gray_set_foreground(150);
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gray_fillrect(0, 0, 112, 56); /* fill everything with gray 150 */
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/* draw a dark gray line star background */
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gray_set_foreground(80);
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for (y = 0; y < 56; y += 8) /* horizontal part */
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{
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gray_drawline(0, y, 111, 55 - y); /* gray lines */
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}
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for (x = 10; x < 112; x += 10) /* vertical part */
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{
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gray_drawline(x, 0, 111 - x, 55); /* gray lines */
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}
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gray_set_foreground(0);
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gray_drawrect(0, 0, 112, 56); /* black border */
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/* draw gray tones */
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for (i = 0; i < 86; i++)
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{
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x = 13 + i;
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gray_set_foreground(3 * i);
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gray_verline(x, 6, 49); /* vertical lines */
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}
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gray_set_drawmode(GRAY_DRAW_INVERSE);
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gray_fillrect(13, 29, 86, 21); /* invert rectangle (lower half) */
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gray_drawline(13, 27, 98, 27); /* invert a line */
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/* show bitmaps (1 bit and 8 bit) */
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gray_set_drawinfo(GRAY_DRAW_SOLID, 255, 100);
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gray_drawbitmap(rockbox, 14, 13, 43, 7, 43); /* opaque */
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gray_set_drawinfo(GRAY_DRAW_FG, 0, -1);
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gray_drawbitmap(showing, 58, 13, 39, 7, 39); /* transparent */
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gray_drawgraymap(grayscale_gray, 28, 35, 55, 7, 55);
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time = *rb->current_tick - time; /* end time measurement */
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rb->snprintf(pbuf, sizeof(pbuf), "Shades: %d, %d.%02ds", shades,
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time / 100, time % 100);
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rb->lcd_puts(0, 0, pbuf);
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gray_deferred_update(); /* schedule an lcd_update() */
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/* drawing is now finished, play around with scrolling
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* until you press OFF or connect USB
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*/
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while (true)
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{
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scroll_amount = 1;
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black_border = false;
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button = rb->button_get(true);
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if (rb->default_event_handler_ex(button, cleanup, NULL)
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== SYS_USB_CONNECTED)
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return PLUGIN_USB_CONNECTED;
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if (button & GRAYSCALE_SHIFT)
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black_border = true;
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if (button & BUTTON_REPEAT)
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scroll_amount = 4;
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switch(button & ~(GRAYSCALE_SHIFT | BUTTON_REPEAT))
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{
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case BUTTON_LEFT:
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gray_scroll_left(scroll_amount, black_border); /* scroll left */
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break;
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case BUTTON_RIGHT:
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gray_scroll_right(scroll_amount, black_border); /* scroll right */
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break;
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case BUTTON_UP:
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gray_scroll_up(scroll_amount, black_border); /* scroll up */
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break;
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case BUTTON_DOWN:
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gray_scroll_down(scroll_amount, black_border); /* scroll down */
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break;
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case BUTTON_OFF:
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cleanup(NULL);
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return PLUGIN_OK;
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}
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}
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}
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/*************************** Plugin entry point ****************************/
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enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
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{
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/* this macro should be called as the first thing you do in the plugin.
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it test that the api version and model the plugin was compiled for
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matches the machine it is running on */
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TEST_PLUGIN_API(api);
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rb = api; // copy to global api pointer
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(void)parameter;
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/* This plugin uses the grayscale framework, so initialize */
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gray_init(api);
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return main();
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}
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#endif // #ifdef HAVE_LCD_BITMAP
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#endif // #ifndef SIMULATOR
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