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Pixel-accurate (vertical) list scrolling for touchscreen targets.

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Looks much smoother now as you don't scroll by whole lines anymore.
Add some functions lcd driver to enable the line based scrolling engine to draw the lines with a pixel-based y-offset.
This should also allow for a sensible kinetic scrolling mechanism (still a todo).

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28214 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Martitz 2010-10-06 12:46:42 +00:00
parent 53a936ab83
commit d9d0b4dd20
6 changed files with 139 additions and 44 deletions
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4
apps/screen_access.c
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@ -168,8 +168,10 @@ struct screen screens[NB_SCREENS] =
.hline=&lcd_hline,
.scroll_step=&lcd_scroll_step,
.puts_style_offset=&lcd_puts_style_offset,
.puts_style_xyoffset=&lcd_puts_style_xyoffset,
.puts_scroll_style=&lcd_puts_scroll_style,
.puts_scroll_style_offset=&lcd_puts_scroll_style_offset,
.puts_scroll_style_xyoffset=&lcd_puts_scroll_style_xyoffset,
#endif /* HAVE_LCD_BITMAP */
#ifdef HAVE_LCD_CHARCELLS
@ -257,8 +259,10 @@ struct screen screens[NB_SCREENS] =
.hline=&lcd_remote_hline,
.scroll_step=&lcd_remote_scroll_step,
.puts_style_offset=&lcd_remote_puts_style_offset,
.puts_style_xyoffset=&lcd_remote_puts_style_xyoffset,
.puts_scroll_style=&lcd_remote_puts_scroll_style,
.puts_scroll_style_offset=&lcd_remote_puts_scroll_style_offset,
.puts_scroll_style_xyoffset=&lcd_remote_puts_scroll_style_xyoffset,
#endif /* 1 */
#if 0 /* no charcell remote LCDs so far */