/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Greyscale framework * Parameter handling * * This is a generic framework to display up to 33 shades of grey * on low-depth bitmap LCDs (Archos b&w, Iriver 4-grey) within plugins. * * Copyright (C) 2004-2006 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" #ifdef HAVE_LCD_BITMAP #include "gray.h" /* Set position of the top left corner of the greyscale overlay Note that by is in pixel-block units (8 pixels) */ void gray_set_position(int x, int by) { _gray_info.x = x; _gray_info.by = by; if (_gray_info.flags & _GRAY_RUNNING) { #ifdef SIMULATOR gray_deferred_lcd_update(); gray_update(); #else _gray_info.flags |= _GRAY_DEFERRED_UPDATE; #endif } } /* Set the draw mode for subsequent drawing operations */ void gray_set_drawmode(int mode) { _gray_info.drawmode = mode & (DRMODE_SOLID|DRMODE_INVERSEVID); } /* Return the current draw mode */ int gray_get_drawmode(void) { return _gray_info.drawmode; } /* Set the foreground shade for subsequent drawing operations */ void gray_set_foreground(unsigned brightness) { _gray_info.fg_brightness = brightness; _gray_info.fg_index = _gray_info.idxtable[brightness]; } /* Return the current foreground shade */ unsigned gray_get_foreground(void) { return _gray_info.fg_brightness; } /* Set the background shade for subsequent drawing operations */ void gray_set_background(unsigned brightness) { _gray_info.bg_brightness = brightness; _gray_info.bg_index = _gray_info.idxtable[brightness]; } /* Return the current background shade */ unsigned gray_get_background(void) { return _gray_info.bg_brightness; } /* Set draw mode, foreground and background shades at once */ void gray_set_drawinfo(int mode, unsigned fg_brightness, unsigned bg_brightness) { gray_set_drawmode(mode); gray_set_foreground(fg_brightness); gray_set_background(bg_brightness); } /* Set font for the text output routines */ void gray_setfont(int newfont) { _gray_info.curfont = newfont; } /* Get width and height of a text when printed with the current font */ int gray_getstringsize(const unsigned char *str, int *w, int *h) { return _gray_rb->font_getstringsize(str, w, h, _gray_info.curfont); } #endif /* HAVE_LCD_BITMAP */