/*    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: bitmap.c,v 1.18 2008/02/14 11:52:14 krechert Exp $ */#include <stdlib.h>#include "bitmap.h"#include "rect.h"#include "jpeg.h"#include "dbl.h"#include "error.h"#include "input.h"#include "libming.h"#if USE_ZLIB#include "zlib.h"// workarround for zlib previous 1.2.x#ifndef compressBound#define compressBound(__slen) ((__slen) + ((__slen) >> 12) + ((__slen) >> 14) + 11)#endif#endifvoid destroySWFBitmap(SWFBitmap bitmap){	// this will acall bitmap->dtor;	destroySWFBlock((SWFBlock) bitmap);}int SWFBitmap_getWidth(SWFBitmap b){	return SWFRect_getWidth(CHARACTER(b)->bounds);}int SWFBitmap_getHeight(SWFBitmap b){	return SWFRect_getHeight(CHARACTER(b)->bounds);}#define JPEG_MARKER 0xFF#define JPEG_SOI	0xD8SWFBitmap newSWFBitmap_fromInput(SWFInput input){	int c1 = SWFInput_getChar(input);	int c2 = SWFInput_getChar(input);	int c3 = SWFInput_getChar(input);	SWFInput_rewind(input);	if(c1 == JPEG_MARKER && c2 == JPEG_SOI)		return (SWFBitmap)newSWFJpegBitmap_fromInput(input);	if(c1 == 'D' && c2 == 'B')		return (SWFBitmap) newSWFDBLBitmap_fromInput(input);	if(c1 == 'G' && c2 == 'I')#if USE_GIF		return (SWFBitmap) newSWFDBLBitmapData_fromGifInput(input);#else		SWF_error("GIF images must be translated into DBL files for now");#endif	if(c2 == 'P' && c3 == 'N')#if USE_PNG		return (SWFBitmap) newSWFDBLBitmapData_fromPngInput(input);#else		SWF_error("PNG images must be translated into DBL files for now");#endif	SWF_error("Unrecognised file type");	return NULL;}SWFBitmap newSWFBitmap_fromRawImg(unsigned char *raw,                                   SWFRawImgFmt srcFmt, SWFBitmapFmt dstFmt,                                  unsigned short width, unsigned short height){#if USE_ZLIB	struct dbl_data image;	uLongf insize, outsize;	int ret;	SWFBitmap return_data;	unsigned char *tmp;	switch(srcFmt)	{		case SWF_RAWIMG_ARGB:			tmp = raw;			break;		default:			SWF_warn("newSWFBitmap_fromRawImg: unknown img format\n");			return NULL;	}	image.width = width;	image.height = height;	image.hasalpha = 1;	image.format = 5;		insize = width * height * 4;	outsize = compressBound(insize);	image.data = (unsigned char*) malloc(outsize);	/* If malloc failed, return NULL to signify this */	if (NULL == image.data)		return NULL;	ret = compress2(image.data, &outsize, (Bytef *)tmp, insize, 9);	if(ret != Z_OK)	{		free(image.data);		return NULL;	}	image.length = outsize;	return_data = (SWFBitmap)newSWFDBLBitmapData_fromData(&image);	/* If newSWFDBLBitmapData_fromData() failed, return NULL to signify this */	if (NULL == return_data)	{		free(image.data);		return NULL;	}	return return_data;#else	SWF_warn("newSWFBitmap_fromRawImg: depends on zlib support\n");	return NULL;#endif} /* * Local variables: * tab-width: 2 * c-basic-offset: 2 * End: */