diff options
Diffstat (limited to 'apps/plugins/lib')
| -rw-r--r-- | apps/plugins/lib/xlcd.c | 132 | ||||
| -rw-r--r-- | apps/plugins/lib/xlcd.h | 7 |
2 files changed, 139 insertions, 0 deletions
diff --git a/apps/plugins/lib/xlcd.c b/apps/plugins/lib/xlcd.c index a842cf5..57650ba 100644 --- a/apps/plugins/lib/xlcd.c +++ b/apps/plugins/lib/xlcd.c @@ -107,6 +107,138 @@ void xlcd_filltriangle(int x1, int y1, int x2, int y2, int x3, int y3) #if LCD_DEPTH >= 8 +#ifdef HAVE_LCD_COLOR +static const fb_data graylut[256] = { +#if LCD_PIXELFORMAT == RGB565 + 0x0000, 0x0000, 0x0000, 0x0020, 0x0020, 0x0821, 0x0821, 0x0841, + 0x0841, 0x0841, 0x0841, 0x0861, 0x0861, 0x1062, 0x1062, 0x1082, + 0x1082, 0x1082, 0x1082, 0x10a2, 0x10a2, 0x18a3, 0x18a3, 0x18c3, + 0x18c3, 0x18c3, 0x18c3, 0x18e3, 0x18e3, 0x20e4, 0x20e4, 0x2104, + 0x2104, 0x2104, 0x2104, 0x2124, 0x2124, 0x2124, 0x2925, 0x2945, + 0x2945, 0x2945, 0x2945, 0x2965, 0x2965, 0x2965, 0x3166, 0x3186, + 0x3186, 0x3186, 0x3186, 0x31a6, 0x31a6, 0x31a6, 0x39a7, 0x39c7, + 0x39c7, 0x39c7, 0x39c7, 0x39e7, 0x39e7, 0x39e7, 0x41e8, 0x4208, + 0x4208, 0x4208, 0x4208, 0x4228, 0x4228, 0x4228, 0x4a29, 0x4a49, + 0x4a49, 0x4a49, 0x4a49, 0x4a69, 0x4a69, 0x4a69, 0x4a69, 0x528a, + 0x528a, 0x528a, 0x528a, 0x52aa, 0x52aa, 0x52aa, 0x52aa, 0x5aab, + 0x5acb, 0x5acb, 0x5acb, 0x5acb, 0x5aeb, 0x5aeb, 0x5aeb, 0x62ec, + 0x630c, 0x630c, 0x630c, 0x630c, 0x632c, 0x632c, 0x632c, 0x6b2d, + 0x6b4d, 0x6b4d, 0x6b4d, 0x6b4d, 0x6b6d, 0x6b6d, 0x6b6d, 0x6b6d, + 0x738e, 0x738e, 0x738e, 0x738e, 0x73ae, 0x73ae, 0x73ae, 0x73ae, + 0x7bcf, 0x7bcf, 0x7bcf, 0x7bcf, 0x7bef, 0x7bef, 0x7bef, 0x7bef, + 0x8410, 0x8410, 0x8410, 0x8410, 0x8430, 0x8430, 0x8430, 0x8430, + 0x8c51, 0x8c51, 0x8c51, 0x8c51, 0x8c71, 0x8c71, 0x8c71, 0x8c71, + 0x9492, 0x9492, 0x9492, 0x9492, 0x94b2, 0x94b2, 0x94b2, 0x94b2, + 0x94d2, 0x9cd3, 0x9cd3, 0x9cd3, 0x9cf3, 0x9cf3, 0x9cf3, 0x9cf3, + 0x9d13, 0xa514, 0xa514, 0xa514, 0xa534, 0xa534, 0xa534, 0xa534, + 0xa554, 0xad55, 0xad55, 0xad55, 0xad55, 0xad75, 0xad75, 0xad75, + 0xad75, 0xb596, 0xb596, 0xb596, 0xb596, 0xb5b6, 0xb5b6, 0xb5b6, + 0xb5b6, 0xb5d6, 0xbdd7, 0xbdd7, 0xbdd7, 0xbdf7, 0xbdf7, 0xbdf7, + 0xbdf7, 0xbe17, 0xc618, 0xc618, 0xc618, 0xc638, 0xc638, 0xc638, + 0xc638, 0xc658, 0xce59, 0xce59, 0xce59, 0xce79, 0xce79, 0xce79, + 0xce79, 0xce99, 0xd69a, 0xd69a, 0xd69a, 0xd6ba, 0xd6ba, 0xd6ba, + 0xd6ba, 0xd6da, 0xd6da, 0xdedb, 0xdedb, 0xdefb, 0xdefb, 0xdefb, + 0xdefb, 0xdf1b, 0xdf1b, 0xe71c, 0xe71c, 0xe73c, 0xe73c, 0xe73c, + 0xe73c, 0xe75c, 0xe75c, 0xef5d, 0xef5d, 0xef7d, 0xef7d, 0xef7d, + 0xef7d, 0xef9d, 0xef9d, 0xf79e, 0xf79e, 0xf7be, 0xf7be, 0xf7be, + 0xf7be, 0xf7de, 0xf7de, 0xffdf, 0xffdf, 0xffff, 0xffff, 0xffff +#elif LCD_PIXELFORMAT == RGB565SWAPPED + 0x0000, 0x0000, 0x0000, 0x2000, 0x2000, 0x2108, 0x2108, 0x4108, + 0x4108, 0x4108, 0x4108, 0x6108, 0x6108, 0x6210, 0x6210, 0x8210, + 0x8210, 0x8210, 0x8210, 0xa210, 0xa210, 0xa318, 0xa318, 0xc318, + 0xc318, 0xc318, 0xc318, 0xe318, 0xe318, 0xe420, 0xe420, 0x0421, + 0x0421, 0x0421, 0x0421, 0x2421, 0x2421, 0x2421, 0x2529, 0x4529, + 0x4529, 0x4529, 0x4529, 0x6529, 0x6529, 0x6529, 0x6631, 0x8631, + 0x8631, 0x8631, 0x8631, 0xa631, 0xa631, 0xa631, 0xa739, 0xc739, + 0xc739, 0xc739, 0xc739, 0xe739, 0xe739, 0xe739, 0xe841, 0x0842, + 0x0842, 0x0842, 0x0842, 0x2842, 0x2842, 0x2842, 0x294a, 0x494a, + 0x494a, 0x494a, 0x494a, 0x694a, 0x694a, 0x694a, 0x694a, 0x8a52, + 0x8a52, 0x8a52, 0x8a52, 0xaa52, 0xaa52, 0xaa52, 0xaa52, 0xab5a, + 0xcb5a, 0xcb5a, 0xcb5a, 0xcb5a, 0xeb5a, 0xeb5a, 0xeb5a, 0xec62, + 0x0c63, 0x0c63, 0x0c63, 0x0c63, 0x2c63, 0x2c63, 0x2c63, 0x2d6b, + 0x4d6b, 0x4d6b, 0x4d6b, 0x4d6b, 0x6d6b, 0x6d6b, 0x6d6b, 0x6d6b, + 0x8e73, 0x8e73, 0x8e73, 0x8e73, 0xae73, 0xae73, 0xae73, 0xae73, + 0xcf7b, 0xcf7b, 0xcf7b, 0xcf7b, 0xef7b, 0xef7b, 0xef7b, 0xef7b, + 0x1084, 0x1084, 0x1084, 0x1084, 0x3084, 0x3084, 0x3084, 0x3084, + 0x518c, 0x518c, 0x518c, 0x518c, 0x718c, 0x718c, 0x718c, 0x718c, + 0x9294, 0x9294, 0x9294, 0x9294, 0xb294, 0xb294, 0xb294, 0xb294, + 0xd294, 0xd39c, 0xd39c, 0xd39c, 0xf39c, 0xf39c, 0xf39c, 0xf39c, + 0x139d, 0x14a5, 0x14a5, 0x14a5, 0x34a5, 0x34a5, 0x34a5, 0x34a5, + 0x54a5, 0x55ad, 0x55ad, 0x55ad, 0x55ad, 0x75ad, 0x75ad, 0x75ad, + 0x75ad, 0x96b5, 0x96b5, 0x96b5, 0x96b5, 0xb6b5, 0xb6b5, 0xb6b5, + 0xb6b5, 0xd6b5, 0xd7bd, 0xd7bd, 0xd7bd, 0xf7bd, 0xf7bd, 0xf7bd, + 0xf7bd, 0x17be, 0x18c6, 0x18c6, 0x18c6, 0x38c6, 0x38c6, 0x38c6, + 0x38c6, 0x58c6, 0x59ce, 0x59ce, 0x59ce, 0x79ce, 0x79ce, 0x79ce, + 0x79ce, 0x99ce, 0x9ad6, 0x9ad6, 0x9ad6, 0xbad6, 0xbad6, 0xbad6, + 0xbad6, 0xdad6, 0xdad6, 0xdbde, 0xdbde, 0xfbde, 0xfbde, 0xfbde, + 0xfbde, 0x1bdf, 0x1bdf, 0x1ce7, 0x1ce7, 0x3ce7, 0x3ce7, 0x3ce7, + 0x3ce7, 0x5ce7, 0x5ce7, 0x5def, 0x5def, 0x7def, 0x7def, 0x7def, + 0x7def, 0x9def, 0x9def, 0x9ef7, 0x9ef7, 0xbef7, 0xbef7, 0xbef7, + 0xbef7, 0xdef7, 0xdef7, 0xdfff, 0xdfff, 0xffff, 0xffff, 0xffff +#endif /* LCD_PIXELFORMAT */ +}; +#endif /* HAVE_LCD_COLOR */ + +/* Draw a partial greyscale bitmap, canonical 8 bit format */ +void xlcd_gray_bitmap_part(const unsigned char *src, int src_x, int src_y, + int stride, int x, int y, int width, int height) +{ + const unsigned char *src_end; + fb_data *dst; + + /* nothing to draw? */ + if ((width <= 0) || (height <= 0) || (x >= LCD_WIDTH) || (y >= LCD_HEIGHT) + || (x + width <= 0) || (y + height <= 0)) + return; + + /* clipping */ + if (x < 0) + { + width += x; + src_x -= x; + x = 0; + } + if (y < 0) + { + height += y; + src_y -= y; + y = 0; + } + if (x + width > LCD_WIDTH) + width = LCD_WIDTH - x; + if (y + height > LCD_HEIGHT) + height = LCD_HEIGHT - y; + + src += stride * src_y + src_x; /* move starting point */ + src_end = src + stride * height; + dst = local_rb->lcd_framebuffer + LCD_WIDTH * y + x; + + do + { + const unsigned char *src_row = src; + const unsigned char *row_end = src_row + width; + fb_data *dst_row = dst; + +#ifdef HAVE_LCD_COLOR + do + *dst_row++ = graylut[*src_row++]; + while (src_row < row_end); +#endif + + src += stride; + dst += LCD_WIDTH; + } + while (src < src_end); +} + +/* Draw a full greyscale bitmap, canonical 8 bit format */ +void xlcd_gray_bitmap(const unsigned char *src, int x, int y, int width, + int height) +{ + xlcd_gray_bitmap_part(src, 0, 0, width, x, y, width, height); +} + + void xlcd_scroll_left(int count) { fb_data *data, *data_end; diff --git a/apps/plugins/lib/xlcd.h b/apps/plugins/lib/xlcd.h index 2eaa05c..b177ee5 100644 --- a/apps/plugins/lib/xlcd.h +++ b/apps/plugins/lib/xlcd.h @@ -29,6 +29,13 @@ void xlcd_init(struct plugin_api* newrb); void xlcd_filltriangle(int x1, int y1, int x2, int y2, int x3, int y3); +#if LCD_DEPTH >= 8 +void xlcd_gray_bitmap_part(const unsigned char *src, int src_x, int src_y, + int stride, int x, int y, int width, int height); +void xlcd_gray_bitmap(const unsigned char *src, int x, int y, int width, + int height); +#endif + void xlcd_scroll_left(int count); void xlcd_scroll_right(int count); void xlcd_scroll_up(int count); |