graphlcd-base/glcddrivers/driver.c
changeset 4 df6a40031aa5
child 30 7fd00015f62f
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/graphlcd-base/glcddrivers/driver.c	Wed Feb 06 17:32:55 2008 +0000
     1.3 @@ -0,0 +1,54 @@
     1.4 +/*
     1.5 + * GraphLCD driver library
     1.6 + *
     1.7 + * driver.c  -  driver base class
     1.8 + *
     1.9 + * parts were taken from graphlcd plugin for the Video Disc Recorder
    1.10 + * (c) 2001-2004 Carsten Siebholz <c.siebholz AT t-online.de>
    1.11 + *
    1.12 + * This file is released under the GNU General Public License. Refer
    1.13 + * to the COPYING file distributed with this package.
    1.14 + *
    1.15 + * (c) 2004 Andreas Regel <andreas.regel AT powarman.de>
    1.16 + */
    1.17 +
    1.18 +#include "common.h"
    1.19 +#include "driver.h"
    1.20 +
    1.21 +
    1.22 +namespace GLCD
    1.23 +{
    1.24 +
    1.25 +cDriver::cDriver()
    1.26 +:   width(0),
    1.27 +    height(0)
    1.28 +{
    1.29 +}
    1.30 +
    1.31 +void cDriver::SetScreen(const unsigned char * data, int wid, int hgt, int lineSize)
    1.32 +{
    1.33 +    int x, y;
    1.34 +
    1.35 +    if (wid > width)
    1.36 +        wid = width;
    1.37 +    if (hgt > height)
    1.38 +        hgt = height;
    1.39 +
    1.40 +    Clear();
    1.41 +    if (data)
    1.42 +    {
    1.43 +        for (y = 0; y < hgt; y++)
    1.44 +        {
    1.45 +            for (x = 0; x < (wid / 8); x++)
    1.46 +            {
    1.47 +                Set8Pixels(x * 8, y, data[y * lineSize + x]);
    1.48 +            }
    1.49 +            if (width % 8)
    1.50 +            {
    1.51 +                Set8Pixels((wid / 8) * 8, y, data[y * lineSize + wid / 8] & bitmaskl[wid % 8 - 1]);
    1.52 +            }
    1.53 +        }
    1.54 +    }
    1.55 +}
    1.56 +
    1.57 +} // end of namespace