40919d7db2
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16809 a1c6a512-1295-4272-9138-f99709370657
116 lines
3.4 KiB
C
116 lines
3.4 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* New greyscale framework
|
|
* Parameter handling
|
|
*
|
|
* This is a generic framework to display 129 shades of grey on low-depth
|
|
* bitmap LCDs (Archos b&w, Iriver & Ipod 4-grey) within plugins.
|
|
*
|
|
* Copyright (C) 2008 Jens Arnold
|
|
*
|
|
* All files in this archive are subject to the GNU General Public License.
|
|
* See the file COPYING in the source tree root for full license agreement.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#include "plugin.h"
|
|
#include "grey.h"
|
|
|
|
/* Set position of the top left corner of the greyscale overlay
|
|
Note that depending on the target LCD, either x or y gets rounded
|
|
to the nearest multiple of 4 or 8 */
|
|
void grey_set_position(int x, int y)
|
|
{
|
|
#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
|
|
_grey_info.bx = (x + 4) >> 3;
|
|
x = 8 * _grey_info.bx;
|
|
#else /* vertical packing or vertical interleaved */
|
|
#if (LCD_DEPTH == 1) || (LCD_PIXELFORMAT == VERTICAL_INTERLEAVED)
|
|
_grey_info.by = (y + 4) >> 3;
|
|
y = 8 * _grey_info.by;
|
|
#elif LCD_DEPTH == 2
|
|
_grey_info.by = (y + 2) >> 2;
|
|
y = 4 * _grey_info.by;
|
|
#endif
|
|
#endif /* LCD_PIXELFORMAT */
|
|
_grey_info.x = x;
|
|
_grey_info.y = y;
|
|
|
|
if (_grey_info.flags & _GREY_RUNNING)
|
|
{
|
|
#ifdef SIMULATOR
|
|
_grey_info.rb->sim_lcd_ex_update_rect(_grey_info.x, _grey_info.y,
|
|
_grey_info.width,
|
|
_grey_info.height);
|
|
grey_deferred_lcd_update();
|
|
#else
|
|
_grey_info.flags |= _GREY_DEFERRED_UPDATE;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
/* Set the draw mode for subsequent drawing operations */
|
|
void grey_set_drawmode(int mode)
|
|
{
|
|
_grey_info.drawmode = mode & (DRMODE_SOLID|DRMODE_INVERSEVID);
|
|
}
|
|
|
|
/* Return the current draw mode */
|
|
int grey_get_drawmode(void)
|
|
{
|
|
return _grey_info.drawmode;
|
|
}
|
|
|
|
/* Set the foreground shade for subsequent drawing operations */
|
|
void grey_set_foreground(unsigned brightness)
|
|
{
|
|
_grey_info.fg_brightness = brightness;
|
|
}
|
|
|
|
/* Return the current foreground shade */
|
|
unsigned grey_get_foreground(void)
|
|
{
|
|
return _grey_info.fg_brightness;
|
|
}
|
|
|
|
/* Set the background shade for subsequent drawing operations */
|
|
void grey_set_background(unsigned brightness)
|
|
{
|
|
_grey_info.bg_brightness = brightness;
|
|
}
|
|
|
|
/* Return the current background shade */
|
|
unsigned grey_get_background(void)
|
|
{
|
|
return _grey_info.bg_brightness;
|
|
}
|
|
|
|
/* Set draw mode, foreground and background shades at once */
|
|
void grey_set_drawinfo(int mode, unsigned fg_brightness, unsigned bg_brightness)
|
|
{
|
|
grey_set_drawmode(mode);
|
|
grey_set_foreground(fg_brightness);
|
|
grey_set_background(bg_brightness);
|
|
}
|
|
|
|
/* Set font for the text output routines */
|
|
void grey_setfont(int newfont)
|
|
{
|
|
_grey_info.curfont = newfont;
|
|
}
|
|
|
|
/* Get width and height of a text when printed with the current font */
|
|
int grey_getstringsize(const unsigned char *str, int *w, int *h)
|
|
{
|
|
return _grey_info.rb->font_getstringsize(str, w, h, _grey_info.curfont);
|
|
}
|