/*    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: rect.c,v 1.13 2008/01/17 14:26:29 vapour Exp $ */#include <stdlib.h>#include "rect.h"#include "libming.h"intSWFRect_numBits(SWFRect rect){	return 5 + 4*max(max(SWFOutput_numSBits(rect->minX), 					 SWFOutput_numSBits(rect->maxX)),			 max(SWFOutput_numSBits(rect->minY),					 SWFOutput_numSBits(rect->maxY)));}voidSWFOutput_writeRect(SWFOutput out, SWFRect rect){	int nBits = max(max(SWFOutput_numSBits(rect->minX),					SWFOutput_numSBits(rect->maxX)),			max(SWFOutput_numSBits(rect->minY),					SWFOutput_numSBits(rect->maxY)));	if(nBits>=32)		SWF_error("SWFRect too large for file format");	SWFOutput_writeBits(out, nBits, 5);	SWFOutput_writeSBits(out, rect->minX, nBits);	SWFOutput_writeSBits(out, rect->maxX, nBits);	SWFOutput_writeSBits(out, rect->minY, nBits);	SWFOutput_writeSBits(out, rect->maxY, nBits);	SWFOutput_byteAlign(out);}voiddestroySWFRect(SWFRect rect){	free(rect);}SWFRectnewSWFRect(int minX, int maxX, int minY, int maxY){	SWFRect rect = (SWFRect)malloc(sizeof(struct SWFRect_s));	/* If malloc failed, return NULL to signify this */	if (NULL == rect)		return NULL;	rect->minX = min(minX, maxX);	rect->maxX = max(minX, maxX);	rect->minY = min(minY, maxY);	rect->maxY = max(minY, maxY);	return rect;}intSWFRect_getWidth(SWFRect r){	return r->maxX - r->minX;}intSWFRect_getHeight(SWFRect r){	return r->maxY - r->minY;}voidSWFRect_getBounds(SWFRect rect, int *minX, int *maxX, int *minY, int *maxY){	*minX = rect->minX;	*maxX = rect->maxX;	*minY = rect->minY;	*maxY = rect->maxY;}voidSWFRect_setBounds(SWFRect rect, int minX, int maxX, int minY, int maxY){	rect->minX = minX;	rect->maxX = maxX;	rect->minY = minY;	rect->maxY = maxY;}SWFRectSWFRect_copy(SWFRect rect){	return newSWFRect(rect->minX, rect->maxX, rect->minY, rect->maxY);}voidSWFRect_includeRect(SWFRect a, SWFRect b){	if ( b->minX < a->minX )		a->minX = b->minX;	if ( b->maxX > a->maxX )		a->maxX = b->maxX;	if ( b->minX < a->minX )		a->minX = b->minX;	if ( b->maxX > a->maxX )		a->maxX = b->maxX;}/* make rect big enough to include (x,y) + width extra */voidSWFRect_includePoint(SWFRect rect, int x, int y, int width){	if ( x-width-1 < rect->minX )		rect->minX = x-width;	if ( x+width > rect->maxX )		rect->maxX = x+width;	if ( y-width-1 < rect->minY )		rect->minY = y-width;	if ( y+width > rect->maxY )		rect->maxY = y+width;}/* * Local variables: * tab-width: 2 * c-basic-offset: 2 * End: */