00001 /*************************************************************************** 00002 * Copyright (C) 2005-2007 Stefan Schwarzer, Jens Schneider, * 00003 * Matthias Hardt, Guido Madaus * 00004 * * 00005 * Copyright (C) 2007-2008 BerLinux Solutions GbR * 00006 * Stefan Schwarzer & Guido Madaus * 00007 * * 00008 * Copyright (C) 2009-2013 BerLinux Solutions GmbH * 00009 * * 00010 * Authors: * 00011 * Stefan Schwarzer <stefan.schwarzer@diskohq.org>, * 00012 * Matthias Hardt <matthias.hardt@diskohq.org>, * 00013 * Jens Schneider <jens.schneider@diskohq.org>, * 00014 * Guido Madaus <guido.madaus@diskohq.org>, * 00015 * Patrick Helterhoff <patrick.helterhoff@diskohq.org>, * 00016 * René Bählkow <rene.baehlkow@diskohq.org> * 00017 * * 00018 * This library is free software; you can redistribute it and/or * 00019 * modify it under the terms of the GNU Lesser General Public * 00020 * License version 2.1 as published by the Free Software Foundation. * 00021 * * 00022 * This library is distributed in the hope that it will be useful, * 00023 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00024 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00025 * Lesser General Public License for more details. * 00026 * * 00027 * You should have received a copy of the GNU Lesser General Public * 00028 * License along with this library; if not, write to the * 00029 * Free Software Foundation, Inc., * 00030 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * 00031 **************************************************************************/ 00032 00033 #include "mmsgui/fb/mmsfbconv.h" 00034 #include "mmstools/mmstools.h" 00035 00036 void mmsfb_drawline_argb(MMSFBSurfacePlanes *dst_planes, int dst_height, 00037 MMSFBRegion &clipreg, int x1, int y1, int x2, int y2, MMSFBColor &color) { 00038 // first time? 00039 static bool firsttime = true; 00040 if (firsttime) { 00041 printf("DISKO: Using accelerated draw line to ARGB.\n"); 00042 firsttime = false; 00043 } 00044 00045 // get the first destination ptr/pitch 00046 unsigned int *dst = (unsigned int *)dst_planes->ptr; 00047 int dst_pitch = dst_planes->pitch; 00048 00049 // prepare... 00050 int dst_pitch_pix = dst_pitch >> 2; 00051 00052 // prepare the color 00053 register unsigned int A = color.a; 00054 register unsigned int SRC; 00055 SRC = (A << 24) 00056 | (color.r << 16) 00057 | (color.g << 8) 00058 | color.b; 00059 00060 // draw a line with Bresenham-Algorithm 00061 MMSFB_DRAWLINE_BRESENHAM(MMSFB_DRAWLINE_PUT_PIXEL); 00062 } 00063