Patch #4718 from Mikael Magnusson - colour support for the fire plugin. Optimised by me to pre-calculate the rgb565 values and render directly into the lcd framebuffer instead of using the xlcd library.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8851 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Chapman
parent
a1e2a52e3e
commit
62f55b8209
2 changed files with 98 additions and 4 deletions
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@ -25,8 +25,8 @@ viewer.c
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#if CONFIG_LCD != LCD_IPOD2BPP /* Plugins needing the grayscale lib */
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#ifndef HAVE_LCD_COLOR
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grayscale.c
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fire.c
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#endif
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fire.c
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jpeg.c
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mandelbrot.c
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plasma.c
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@ -22,7 +22,9 @@
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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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#ifndef HAVE_LCD_COLOR
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#include "gray.h"
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#endif
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PLUGIN_HEADER
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@ -34,11 +36,13 @@ static unsigned int gbuf_size = 0;
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static unsigned char fire[LCD_HEIGHT+3][LCD_WIDTH];
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static unsigned char cooling_map[LCD_HEIGHT][LCD_WIDTH];
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#ifndef HAVE_LCD_COLOR
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static unsigned char draw_buffer[8*LCD_WIDTH];
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#endif
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/* Key assignement */
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#if CONFIG_KEYPAD == IRIVER_H100_PAD
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#if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
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#define FIRE_QUIT BUTTON_OFF
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#define FIRE_SWITCH_FLAMES_TYPE BUTTON_MODE
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#define FIRE_SWITCH_FLAMES_MOVING BUTTON_REC
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@ -66,6 +70,13 @@ static unsigned char draw_buffer[8*LCD_WIDTH];
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#define FIRE_INCREASE_MULT BUTTON_SCROLL_FWD
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#define FIRE_DECREASE_MULT BUTTON_SCROLL_BACK
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#elif (CONFIG_KEYPAD == IAUDIO_X5_PAD)
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#define FIRE_QUIT BUTTON_REC
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#define FIRE_SWITCH_FLAMES_TYPE BUTTON_LEFT
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#define FIRE_SWITCH_FLAMES_MOVING BUTTON_RIGHT
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#define FIRE_INCREASE_MULT BUTTON_UP
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#define FIRE_DECREASE_MULT BUTTON_DOWN
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#endif
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#define MIN_FLAME_VALUE 0
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@ -79,7 +90,8 @@ static unsigned char draw_buffer[8*LCD_WIDTH];
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#define MULU16(a, b) ((unsigned long) \
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(((unsigned short) (a)) * ((unsigned short) (b))))
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static unsigned char palette[255]=
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#ifndef HAVE_LCD_COLOR
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static const unsigned char palette[255]=
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{/* logarithmic histogram equalisation */
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0, 15, 31, 50, 63, 74, 82, 89, 95, 101, 105, 110, 114, 118, 121,
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@ -100,6 +112,64 @@ static unsigned char palette[255]=
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249, 249, 249, 249, 250, 250, 250, 250, 250, 251, 251, 251, 251, 251, 252,
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252, 252, 252, 252, 252, 253, 253, 253, 253, 253, 254, 254, 254, 254, 254
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};
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#else
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#define L(r,g,b) LCD_RGBPACK(r,g,b)
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static const fb_data colorpalette[256] = {
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L(248,246,211), L(248,246,203), L(248,245,196), L(248,245,189), L(247,245,182),
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L(248,245,174), L(248,244,167), L(248,244,160), L(248,243,153), L(247,243,145),
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L(248,243,138), L(247,243,131), L(247,243,125), L(248,242,117), L(248,242,110),
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L(247,242,102), L(248,241, 94), L(247,240, 85), L(247,241, 78), L(248,240, 70),
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L(247,239, 63), L(247,240, 55), L(247,239, 47), L(247,239, 39), L(247,238, 31),
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L(247,238, 23), L(247,236, 19), L(248,232, 21), L(248,228, 22), L(248,224, 23),
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L(248,219, 25), L(249,215, 26), L(249,211, 27), L(249,206, 29), L(249,203, 30),
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L(249,199, 31), L(250,194, 33), L(250,190, 34), L(251,186, 35), L(251,181, 37),
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L(252,177, 38), L(251,172, 40), L(252,168, 41), L(252,163, 42), L(253,158, 44),
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L(253,154, 45), L(253,149, 46), L(254,145, 48), L(253,141, 50), L(253,137, 49),
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L(253,135, 49), L(252,133, 48), L(251,130, 47), L(249,129, 47), L(248,128, 46),
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L(247,125, 46), L(247,124, 44), L(246,122, 44), L(244,119, 43), L(243,118, 43),
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L(242,115, 42), L(242,113, 41), L(241,112, 40), L(240,109, 39), L(238,107, 39),
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L(237,105, 38), L(236,103, 37), L(235,101, 37), L(234, 99, 36), L(233, 97, 35),
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L(232, 95, 34), L(231, 93, 33), L(230, 91, 32), L(229, 89, 32), L(228, 86, 31),
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L(227, 85, 30), L(226, 82, 29), L(225, 80, 29), L(224, 78, 28), L(223, 76, 28),
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L(222, 74, 26), L(221, 72, 26), L(220, 69, 25), L(218, 67, 24), L(217, 64, 23),
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L(215, 60, 22), L(213, 57, 21), L(212, 54, 19), L(210, 50, 18), L(208, 47, 17),
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L(207, 44, 16), L(205, 41, 14), L(203, 37, 13), L(202, 34, 12), L(201, 30, 11),
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L(199, 27, 10), L(197, 24, 9), L(196, 21, 8), L(194, 18, 7), L(192, 14, 5),
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L(191, 11, 4), L(189, 8, 3), L(187, 5, 1), L(186, 2, 0), L(184, 0, 0),
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L(181, 0, 0), L(178, 0, 0), L(175, 0, 0), L(172, 0, 0), L(170, 0, 0),
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L(167, 0, 0), L(165, 0, 0), L(162, 0, 0), L(159, 0, 0), L(156, 0, 0),
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L(153, 0, 0), L(152, 0, 0), L(149, 0, 0), L(146, 0, 0), L(143, 0, 0),
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L(141, 0, 0), L(138, 0, 0), L(135, 0, 0), L(132, 0, 0), L(129, 0, 0),
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L(127, 0, 0), L(126, 0, 0), L(123, 0, 0), L(120, 0, 0), L(117, 0, 0),
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L(115, 0, 0), L(112, 0, 0), L(109, 0, 0), L(106, 0, 0), L(104, 0, 0),
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L(101, 0, 0), L( 98, 0, 0), L( 95, 0, 0), L( 93, 0, 0), L( 92, 0, 0),
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L( 91, 0, 0), L( 91, 0, 0), L( 90, 0, 0), L( 89, 0, 0), L( 88, 0, 0),
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L( 88, 0, 0), L( 87, 0, 0), L( 86, 0, 0), L( 85, 0, 0), L( 84, 0, 0),
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L( 84, 0, 0), L( 82, 0, 0), L( 82, 0, 0), L( 81, 0, 0), L( 80, 0, 0),
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L( 80, 0, 0), L( 79, 0, 0), L( 78, 0, 0), L( 77, 0, 0), L( 76, 0, 0),
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L( 76, 0, 0), L( 75, 0, 0), L( 74, 0, 0), L( 73, 0, 0), L( 72, 0, 0),
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L( 72, 0, 0), L( 71, 0, 0), L( 70, 0, 0), L( 69, 0, 0), L( 68, 0, 0),
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L( 68, 0, 0), L( 67, 0, 0), L( 66, 0, 0), L( 65, 0, 0), L( 65, 0, 0),
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L( 63, 0, 0), L( 62, 0, 0), L( 62, 0, 0), L( 61, 0, 0), L( 60, 0, 0),
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L( 59, 0, 0), L( 58, 0, 0), L( 58, 0, 0), L( 58, 0, 0), L( 57, 0, 0),
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L( 56, 0, 0), L( 54, 0, 0), L( 54, 0, 0), L( 53, 0, 0), L( 52, 0, 0),
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L( 52, 0, 0), L( 51, 0, 0), L( 50, 0, 0), L( 49, 0, 0), L( 48, 0, 0),
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L( 47, 0, 0), L( 47, 0, 0), L( 46, 0, 0), L( 45, 0, 0), L( 44, 0, 0),
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L( 44, 0, 0), L( 43, 0, 0), L( 42, 0, 0), L( 42, 0, 0), L( 40, 0, 0),
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L( 40, 0, 0), L( 39, 0, 0), L( 38, 0, 0), L( 38, 0, 0), L( 37, 0, 0),
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L( 36, 0, 0), L( 35, 0, 0), L( 34, 0, 0), L( 33, 0, 0), L( 32, 0, 0),
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L( 32, 0, 0), L( 31, 0, 0), L( 30, 0, 0), L( 30, 0, 0), L( 28, 0, 0),
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L( 28, 0, 0), L( 27, 0, 0), L( 26, 0, 0), L( 25, 0, 0), L( 25, 0, 0),
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L( 23, 0, 0), L( 23, 0, 0), L( 22, 0, 0), L( 21, 0, 0), L( 21, 0, 0),
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L( 20, 0, 0), L( 19, 0, 0), L( 18, 0, 0), L( 18, 0, 0), L( 16, 0, 0),
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L( 16, 0, 0), L( 15, 0, 0), L( 14, 0, 0), L( 14, 0, 0), L( 13, 0, 0),
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L( 12, 0, 0), L( 11, 0, 0), L( 10, 0, 0), L( 9, 0, 0), L( 9, 0, 0),
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L( 8, 0, 0), L( 7, 0, 0), L( 6, 0, 0), L( 5, 0, 0), L( 5, 0, 0),
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L( 4, 0, 0), L( 3, 0, 0), L( 3, 0, 0), L( 2, 0, 0), L( 1, 0, 0),
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L( 0, 0, 0)
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};
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#endif
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static inline void tab_init_rand(unsigned char *tab, unsigned int tab_size,
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int rand_max)
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@ -189,6 +259,7 @@ static inline void fire_generate(int mult, int flames_type, bool moving)
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static inline void fire_draw(void)
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{
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#ifndef HAVE_LCD_COLOR
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int block;
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unsigned char *dest, *end;
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unsigned char *src = &fire[0][0];
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@ -204,6 +275,17 @@ static inline void fire_draw(void)
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gray_ub_gray_bitmap(draw_buffer, 0, block, LCD_WIDTH, 8);
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}
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#else
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fb_data* dest = rb->lcd_framebuffer;
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fb_data* end = rb->lcd_framebuffer+(LCD_WIDTH*LCD_HEIGHT);
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unsigned char* src = &fire[0][0];
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while (dest < end)
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{
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*(dest++) = colorpalette[*(src++)];
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}
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rb->lcd_update();
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#endif
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}
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void cleanup(void *parameter)
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@ -213,7 +295,9 @@ void cleanup(void *parameter)
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#if !defined(SIMULATOR) && defined(HAVE_ADJUSTABLE_CPU_FREQ)
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rb->cpu_boost(false);
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#endif
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#ifndef HAVE_LCD_COLOR
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gray_release();
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#endif
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rb->backlight_set_timeout(rb->global_settings->backlight_timeout);
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}
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@ -225,25 +309,35 @@ void cleanup(void *parameter)
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int main(void)
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{
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int shades, button;
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#ifdef HAVE_LCD_COLOR
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int mult = 267;
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#else
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int mult = 261;
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#endif
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int flames_type=0;
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bool moving=true;
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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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#ifdef HAVE_LCD_COLOR
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shades = 256;
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#else
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shades = gray_init(rb, gbuf, gbuf_size, false, LCD_WIDTH, LCD_HEIGHT/8,
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32, NULL) + 1;
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if(shades <= 1)
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{
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rb->splash(HZ, true, "not enougth memory");
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rb->splash(HZ, true, "not enough memory");
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return PLUGIN_ERROR;
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}
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#endif
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#if !defined(SIMULATOR) && defined(HAVE_ADJUSTABLE_CPU_FREQ)
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rb->cpu_boost(true);
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#endif
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#ifndef HAVE_LCD_COLOR
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/* switch on grayscale overlay */
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gray_show(true);
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#endif
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rb->memset(&fire[0][0], 0, sizeof(fire));
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tab_init_rand(&cooling_map[0][0], LCD_HEIGHT*LCD_WIDTH, COOL_MAX);
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while (true)
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