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Cabbiev2 gigabeat background: reduce WPS backdrop filesize by storing it as 24 bit BMP instead of unnecessary 32 bit.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16802 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2008-03-25 19:43:08 +00:00
parent 38ed901284
commit 9a7978aeab
34 changed files with 410 additions and 426 deletions
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87
apps/plugins/lib/grey_core.c
View file

@ -26,7 +26,8 @@
#include "plugin.h"
#include "grey.h"
#if defined(CPU_PP) && defined(HAVE_ADJUSTABLE_CPU_FREQ)
#if defined(HAVE_ADJUSTABLE_CPU_FREQ) && \
(defined(CPU_PP) || (CONFIG_LCD == LCD_TL0350A))
#define NEED_BOOST
#endif
@ -143,6 +144,42 @@ static const unsigned char lcdlinear[256] = {
203, 206, 209, 212, 215, 219, 222, 226,
229, 233, 236, 240, 244, 248, 251, 255
};
#elif CONFIG_LCD == LCD_TL0350A
/* generic linear curve - not yet measured */
static const unsigned char lcdlinear[256] = {
0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 31,
32, 33, 34, 35, 36, 37, 38, 39,
40, 41, 42, 43, 44, 45, 46, 47,
48, 49, 50, 51, 52, 53, 54, 55,
56, 57, 58, 59, 60, 61, 62, 63,
64, 65, 66, 67, 68, 69, 70, 71,
72, 73, 74, 75, 76, 77, 78, 79,
80, 81, 82, 83, 84, 85, 86, 87,
88, 89, 90, 91, 92, 93, 94, 95,
96, 97, 98, 99, 100, 101, 102, 103,
104, 105, 106, 107, 108, 109, 110, 111,
112, 113, 114, 115, 116, 117, 118, 119,
120, 121, 122, 123, 124, 125, 126, 127,
128, 129, 130, 131, 132, 133, 134, 135,
136, 137, 138, 139, 140, 141, 142, 143,
144, 145, 146, 147, 148, 149, 150, 151,
152, 153, 154, 155, 156, 157, 158, 159,
160, 161, 162, 163, 164, 165, 166, 167,
168, 169, 170, 171, 172, 173, 174, 175,
176, 177, 178, 179, 180, 181, 182, 183,
184, 185, 186, 187, 188, 189, 190, 191,
192, 193, 194, 195, 196, 197, 198, 199,
200, 201, 202, 203, 204, 205, 206, 207,
208, 209, 210, 211, 212, 213, 214, 215,
216, 217, 218, 219, 220, 221, 222, 223,
224, 225, 226, 227, 228, 229, 230, 231,
232, 233, 234, 235, 236, 237, 238, 239,
240, 241, 242, 243, 244, 245, 246, 247,
248, 249, 250, 251, 252, 253, 254, 255
};
#endif
#else /* SIMULATOR */
/* undo a (generic) PC display gamma of 2.0 to simulate target behaviour */
@ -225,7 +262,7 @@ static unsigned long _grey_get_pixel(int x, int y)
int yg = y - _grey_info.y;
#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
int idx = _grey_info.width * yg + xg;
#else
#else /* vertical packing or vertical interleaved */
int idx = _grey_info.width * (yg & ~_GREY_BMASK)
+ (xg << _GREY_BSHIFT) + (~yg & _GREY_BMASK);
#endif
@ -243,7 +280,7 @@ static void _timer_isr(void)
_grey_info.bx, _grey_info.y,
_grey_info.bwidth, _grey_info.height,
_grey_info.width);
#else
#else /* vertical packing or vertical interleaved */
_grey_info.rb->lcd_blit_grey_phase(_grey_info.values, _grey_info.phases,
_grey_info.x, _grey_info.by,
_grey_info.width, _grey_info.bheight,
@ -355,8 +392,8 @@ bool grey_init(struct plugin_api* newrb, unsigned char *gbuf, long gbuf_size,
#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
bdim = (width + 7) >> 3;
width = bdim << 3;
#else /* vertical packing */
#if LCD_DEPTH == 1
#else /* vertical packing or vertical interleaved */
#if (LCD_DEPTH == 1) || (LCD_PIXELFORMAT == VERTICAL_INTERLEAVED)
bdim = (height + 7) >> 3;
height = bdim << 3;
#elif LCD_DEPTH == 2
@ -408,7 +445,7 @@ bool grey_init(struct plugin_api* newrb, unsigned char *gbuf, long gbuf_size,
#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
_grey_info.bx = 0;
_grey_info.bwidth = bdim;
#else
#else /* vertical packing or vertical interleaved */
_grey_info.by = 0;
_grey_info.bheight = bdim;
#endif
@ -491,6 +528,9 @@ void grey_show(bool enable)
_grey_info.rb->timer_register(1, NULL, TIMER_FREQ / 83, 1, _timer_isr);
#elif CONFIG_LCD == LCD_MROBE100
_grey_info.rb->timer_register(1, NULL, TIMER_FREQ / 83, 1, _timer_isr); /* not calibrated/tested */
#elif CONFIG_LCD == LCD_TL0350A
_grey_info.rb->timer_register(1, NULL, TIMER_FREQ / 75, 1, _timer_isr); /* verified */
/* This is half of the actual frame frequency, but 150Hz is too much */
#endif /* CONFIG_LCD */
#endif /* !SIMULATOR */
_grey_info.rb->screen_dump_set_hook(grey_screendump_hook);
@ -607,8 +647,11 @@ static void grey_screendump_hook(int fd)
#elif LCD_DEPTH == 2
int shift;
#endif
#endif /* LCD_PIXELFORMAT == VERTICAL_PACKING */
unsigned char *lcdptr;
#elif LCD_PIXELFORMAT == VERTICAL_INTERLEAVED
unsigned data;
int shift;
#endif /* LCD_PIXELFORMAT */
fb_data *lcdptr;
unsigned char *clut_entry;
unsigned char linebuf[MAX(4*BMP_VARCOLORS,BMP_LINESIZE)];
@ -660,7 +703,7 @@ static void grey_screendump_hook(int fd)
lcdptr++;
}
#endif /* LCD_DEPTH */
#else /* LCD_PIXELFORMAT == VERTICAL_PACKING */
#elif LCD_PIXELFORMAT == VERTICAL_PACKING
#if LCD_DEPTH == 1
mask = 1 << (y & 7);
lcdptr = _grey_info.rb->lcd_framebuffer + _GREY_MULUQ(LCD_WIDTH, y >> 3);
@ -708,6 +751,32 @@ static void grey_screendump_hook(int fd)
lcdptr++;
}
#endif /* LCD_DEPTH */
#elif LCD_PIXELFORMAT == VERTICAL_INTERLEAVED
#if LCD_DEPTH == 2
shift = y & 7;
lcdptr = _grey_info.rb->lcd_framebuffer + _GREY_MULUQ(LCD_WIDTH, y >> 3);
for (x = 0; x < LCD_WIDTH; x++)
{
gx = x - _grey_info.x;
if (((unsigned)gy < (unsigned)_grey_info.height)
&& ((unsigned)gx < (unsigned)_grey_info.width))
{
linebuf[x] = BMP_FIXEDCOLORS
+ _grey_info.values[_GREY_MULUQ(_grey_info.width,
gy & ~_GREY_BMASK)
+ (gx << _GREY_BSHIFT)
+ (~gy & _GREY_BMASK)];
}
else
{
data = (*lcdptr >> shift) & 0x0101;
linebuf[x] = ((data >> 7) | data) & 3;
}
lcdptr++;
}
#endif /* LCD_DEPTH */
#endif /* LCD_PIXELFORMAT */
_grey_info.rb->write(fd, linebuf, BMP_LINESIZE);