mmsfb_fillrectangle_rgb24.cpp

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/***************************************************************************
 *   Copyright (C) 2005-2007 Stefan Schwarzer, Jens Schneider,             *
 *                           Matthias Hardt, Guido Madaus                  *
 *                                                                         *
 *   Copyright (C) 2007-2008 BerLinux Solutions GbR                        *
 *                           Stefan Schwarzer & Guido Madaus               *
 *                                                                         *
 *   Copyright (C) 2009-2013 BerLinux Solutions GmbH                       *
 *                                                                         *
 *   Authors:                                                              *
 *      Stefan Schwarzer   <stefan.schwarzer@diskohq.org>,                 *
 *      Matthias Hardt     <matthias.hardt@diskohq.org>,                   *
 *      Jens Schneider     <jens.schneider@diskohq.org>,                   *
 *      Guido Madaus       <guido.madaus@diskohq.org>,                     *
 *      Patrick Helterhoff <patrick.helterhoff@diskohq.org>,               *
 *      René Bählkow       <rene.baehlkow@diskohq.org>                     *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Lesser General Public            *
 *   License version 2.1 as published by the Free Software Foundation.     *
 *                                                                         *
 *   This library is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
 *   Lesser General Public License for more details.                       *
 *                                                                         *
 *   You should have received a copy of the GNU Lesser General Public      *
 *   License along with this library; if not, write to the                 *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
 **************************************************************************/

#include "mmsgui/fb/mmsfbconv.h"

#ifdef __HAVE_PF_RGB24__

#include "mmstools/mmstools.h"
#include <string.h>

void mmsfb_fillrectangle_rgb24(MMSFBSurfacePlanes *dst_planes, int dst_height,
                               int dx, int dy, int dw, int dh, MMSFBColor color) {
    // first time?
    static bool firsttime = true;
    if (firsttime) {
        printf("DISKO: Using accelerated fill rectangle to RGB24.\n");
        firsttime = false;
    }

    // get the first destination ptr/pitch
    unsigned char *dst = (unsigned char *)dst_planes->ptr;
    int dst_pitch = dst_planes->pitch;

    // prepare a rgb line
    int size = dw * 3;
    if (size > dst_pitch) size = dst_pitch;
    unsigned char line[2048*3];
    unsigned char *ls = line;
    unsigned char *le = line + size;
    unsigned char r = color.r;
    unsigned char g = color.g;
    unsigned char b = color.b;
    while (ls < le) {
        *ls = b; ls++;
        *ls = g; ls++;
        *ls = r; ls++;
    }
    dst+= dx*3 + dy * dst_pitch;
    unsigned char *dst_end = dst + dst_pitch * dh;

    // copy line buffer directly to the destination
    // for all lines
    while (dst < dst_end) {
        memcpy(dst, line, size);
        dst+= dst_pitch;
    }
}

#endif

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