23d9812273
struct plugin_api *rb is declared in PLUGIN_HEADER, and pointed to by __header.api the loader uses this pointer to initialize rb before calling entry_point entry_point is no longer passed a pointer to the plugin API all plugins, and pluginlib functions, are modified to refer to the global rb pluginlib functions which only served to copy the API pointer are removed git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19776 a1c6a512-1295-4272-9138-f99709370657
118 lines
3.5 KiB
C
118 lines
3.5 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
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* 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
|
|
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 rb->font_getstringsize(str, w, h, _grey_info.curfont);
|
|
}
|