b4920271ba
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5018 a1c6a512-1295-4272-9138-f99709370657
67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Grayscale framework
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* gray_putsxy() function
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*
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* This is a generic framework to use grayscale display within Rockbox
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* plugins. It obviously does not work for the player.
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*
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* Copyright (C) 2004 Jens Arnold
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef SIMULATOR /* not for simulator by now */
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#include "plugin.h"
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#ifdef HAVE_LCD_BITMAP /* and also not for the Player */
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#include "gray.h"
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/*---------------------------------------------------------------------------
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Display text starting at (x, y) with the current font and drawinfo
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----------------------------------------------------------------------------
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The drawmode is used as described for gray_set_drawmode()
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*/
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void gray_putsxy(int x, int y, const unsigned char *str)
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{
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int ch, width;
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const unsigned char *bits;
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struct font *pf = _graybuf->curfont;
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if ((unsigned) x >= (unsigned) _graybuf->width
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|| (unsigned) y >= (unsigned) _graybuf->height)
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return;
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while ((ch = *str++) != '\0' && x < _graybuf->width)
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{
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/* check input range */
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if (ch < pf->firstchar || ch >= pf->firstchar + pf->size)
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ch = pf->defaultchar;
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ch -= pf->firstchar;
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/* get proportional width and glyph bits */
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width = pf->width ? pf->width[ch] : pf->maxwidth;
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bits = pf->bits + (pf->offset ? pf->offset[ch] :
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MULU16((pf->height + 7) / 8, MULU16(pf->maxwidth, ch)));
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gray_drawbitmap((const unsigned char*) bits, x, y, width, pf->height,
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width);
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x += width;
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}
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}
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#endif // #ifdef HAVE_LCD_BITMAP
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#endif // #ifndef SIMULATOR
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