linestyle.c

flash swf file player

/*
    Ming, an SWF output library
    Copyright (C) 2002  Opaque Industries - http://www.opaque.net/

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

/* $Id: linestyle.c,v 1.10 2003/11/08 18:24:57 whamann Exp $ */

#include <stdlib.h>

#include "libming.h"
#include "linestyle.h"
#include "error.h"


struct SWFLineStyle_s
{
	unsigned short width;
	byte r;
	byte g;
	byte b;
	byte a;
};


SWFLineStyle newSWFLineStyle(unsigned short width,
					 byte r, byte g, byte b, byte a)
{
	SWFLineStyle line = (SWFLineStyle)malloc(sizeof(struct SWFLineStyle_s));

	line->width = width;
	line->r = r;
	line->g = g;
	line->b = b;
	line->a = a;

	return line;
}


byte SWFLineStyle_equals(SWFLineStyle line, unsigned short width,
			 byte r, byte g, byte b, byte a)
{
//	if(line->width == 0 && width == 0)
//		return TRUE;

	if(line->width == width &&
		 line->r == r &&
		 line->g == g &&
		 line->b == b &&
		 line->a == a)
	{
		return TRUE;
	}

	return FALSE;
}


unsigned short SWFLineStyle_getWidth(SWFLineStyle line)
{
	return line->width;
}


void SWFOutput_writeLineStyles(SWFOutput out,
						 SWFLineStyle *lines, int nLines,
						 SWFBlocktype shapeType)
{
	SWFLineStyle line;
	int i;

	if(nLines<255)
		SWFOutput_writeUInt8(out, nLines);
	else
	{
		SWFOutput_writeUInt8(out, 255);
		SWFOutput_writeUInt16(out, nLines);
	}

	for(i=0; i<nLines; ++i)
	{
		line = lines[i];

		SWFOutput_writeUInt16(out, line->width);
		SWFOutput_writeUInt8(out, line->r);
		SWFOutput_writeUInt8(out, line->g);
		SWFOutput_writeUInt8(out, line->b);

		if(shapeType==SWF_DEFINESHAPE3)
			SWFOutput_writeUInt8(out, line->a);

		++line;
	}
}


void SWFOutput_writeMorphLineStyles(SWFOutput out,
						SWFLineStyle *lines1, int nLines1,
						SWFLineStyle *lines2, int nLines2)
{
	SWFLineStyle line1, line2;
	int i;

	SWF_assert(nLines1 == nLines2);

	if(nLines1<255)
		SWFOutput_writeUInt8(out, nLines1);
	else
	{
		SWFOutput_writeUInt8(out, 255);
		SWFOutput_writeUInt16(out, nLines1);
	}

	for(i=0; i<nLines1; ++i)
	{
		line1 = lines1[i];
		line2 = lines2[i];

		SWFOutput_writeUInt16(out, line1->width);
		SWFOutput_writeUInt16(out, line2->width);
		SWFOutput_writeUInt8(out, line1->r);
		SWFOutput_writeUInt8(out, line1->g);
		SWFOutput_writeUInt8(out, line1->b);
		SWFOutput_writeUInt8(out, line1->a);
		SWFOutput_writeUInt8(out, line2->r);
		SWFOutput_writeUInt8(out, line2->g);
		SWFOutput_writeUInt8(out, line2->b);
		SWFOutput_writeUInt8(out, line2->a);

		++line1;
		++line2;
	}
}


/*
 * Local variables:
 * tab-width: 2
 * c-basic-offset: 2
 * End:
 */