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Add support for vertical stride to resizer.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22587 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Karl Kurbjun 2009-09-01 04:39:48 +00:00
parent 33a4cafda3
commit fa49b1ef50
1 changed files with 25 additions and 0 deletions
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25
apps/recorder/resize.c
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@ -743,6 +743,29 @@ static void output_row_32_native(uint32_t row, void * row_in,
} }
#endif /* LCD_PIXELFORMAT */ #endif /* LCD_PIXELFORMAT */
#elif LCD_DEPTH == 16 #elif LCD_DEPTH == 16
#if defined(LCD_STRIDEFORMAT) && LCD_STRIDEFORMAT == VERTICAL_STRIDE
/* M:Robe 500 */
(void) fb_width;
fb_data *dest = (fb_data *)ctx->bm->data + row;
int delta = 127;
unsigned r, g, b;
struct uint32_rgb q0;
for (col = 0; col < ctx->bm->width; col++) {
if (ctx->dither)
delta = DITHERXDY(col,dy);
q0 = *qp++;
r = SC_OUT(q0.r, ctx);
g = SC_OUT(q0.g, ctx);
b = SC_OUT(q0.b, ctx);
r = (31 * r + (r >> 3) + delta) >> 8;
g = (63 * g + (g >> 2) + delta) >> 8;
b = (31 * b + (b >> 3) + delta) >> 8;
*dest = LCD_RGBPACK_LCD(r, g, b);
dest += ctx->bm->height;
}
#else
/* iriver h300, colour iPods, X5 */ /* iriver h300, colour iPods, X5 */
fb_data *dest = (fb_data *)ctx->bm->data + fb_width * row; fb_data *dest = (fb_data *)ctx->bm->data + fb_width * row;
int delta = 127; int delta = 127;
@ -761,6 +784,8 @@ static void output_row_32_native(uint32_t row, void * row_in,
b = (31 * b + (b >> 3) + delta) >> 8; b = (31 * b + (b >> 3) + delta) >> 8;
*dest++ = LCD_RGBPACK_LCD(r, g, b); *dest++ = LCD_RGBPACK_LCD(r, g, b);
} }
#endif
#endif /* LCD_DEPTH */ #endif /* LCD_DEPTH */
} }
#endif #endif