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/***************************************************************************
*
* $Id: adraw.c 161 2010-10-26 20:17:16Z Michael.McTernan $
*
* This file is part of mscgen, a message sequence chart renderer.
* Copyright (C) 2005 Michael C McTernan, Michael.McTernan.2001@cs.bris.ac.uk
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
**************************************************************************/
/***************************************************************************
* Include Files
***************************************************************************/
#include "mscgen_config.h"
#include <math.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include "mscgen_adraw_int.h"
/***************************************************************************
* Functions
***************************************************************************/
Boolean ADrawOpen(unsigned int w,
unsigned int h,
const char *file,
const char *fontName,
ADrawOutputType type,
struct ADrawTag *outContext)
{
assert(outContext);
switch(type)
{
case ADRAW_FMT_NULL:
return NullInit(outContext);
case ADRAW_FMT_PNG:
#if !defined(REMOVE_PNG_OUTPUT)
return GdoInit(w, h, file, fontName, outContext);
#else
fprintf(stderr, "Built with REMOVE_PNG_OUTPUT; PNG output is not supported\n");
return FALSE;
#endif
case ADRAW_FMT_EPS:
return PsInit(w, h, file, outContext);
case ADRAW_FMT_SVG:
return SvgInit(w, h, file, outContext);
default:
return FALSE;
}
}
ADrawColour ADrawGetColour(const char *colour)
{
assert(colour != NULL);
/* Check if an RGB value has been specified */
if(*colour == '#')
{
unsigned int c = ADRAW_COL_BLACK;
if(sscanf(&colour[1], "%x", &c) == 1)
{
return (ADrawColour)c;
}
}
else /* Check for name matches */
{
static const struct
{
char *name;
ADrawColour col;
}
colourMap[] =
{
{ "WHITE", ADRAW_COL_WHITE },
{ "BLACK", ADRAW_COL_BLACK },
{ "RED", ADRAW_COL_RED },
{ "ORANGE", ADRAW_COL_ORANGE },
{ "YELLOW", ADRAW_COL_YELLOW },
{ "GREEN", ADRAW_COL_GREEN },
{ "BLUE", ADRAW_COL_BLUE },
{ "INDIGO", ADRAW_COL_INDIGO },
{ "VIOLET", ADRAW_COL_VIOLET },
{ "SILVER", ADRAW_COL_SILVER },
{ "LIME", ADRAW_COL_LIME },
{ "GRAY", ADRAW_COL_GRAY },
{ "OLIVE", ADRAW_COL_OLIVE },
{ "MAROON", ADRAW_COL_MAROON },
{ "NAVY", ADRAW_COL_NAVY },
{ "PURPLE", ADRAW_COL_PURPLE },
{ "TEAL", ADRAW_COL_TEAL },
{ "FUCHSIA", ADRAW_COL_FUCHSIA },
{ "AQUA", ADRAW_COL_AQUA }
};
unsigned int t;
for(t = 0; t < sizeof(colourMap) / sizeof(colourMap[0]); t++)
{
if(strcasecmp(colour, colourMap[t].name) == 0)
{
return colourMap[t].col;
}
}
}
/* Default to black if all else failed */
return ADRAW_COL_BLACK;
}
void ADrawComputeArcPoint(float cx, float cy, float w, float h, float degrees,
unsigned int *x, unsigned int *y)
{
float rad = (float)((degrees * M_PI) / 180.0f);
*x = (unsigned int)round(cx + ((w / 2.0f) * cos(rad)));
*y = (unsigned int)round(cy + ((h / 2.0f) * sin(rad)));
}
/* END OF FILE */
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