1 /**************************************************************************** 2 * 3 * Copyright (C) 2005-2006 "Stuart R. Anderson" <anderson@netsweng.com> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 * 19 ****************************************************************************/ 20 21 #ifndef SWF_OUTPUT_H_INCLUDED 22 #define SWF_OUTPUT_H_INCLUDED 23 24 #include "libswf.h" 25 26 #define max(x,y) (((x)>(y))?(x):(y)) 27 28 #define BUFFER_INCREMENT 1024 29 30 struct _output 31 { 32 struct _output *next; 33 byte *buffer; 34 byte *pos; 35 int buffersize; 36 int free; 37 int bitpos; 38 }; 39 typedef struct _output *Output; 40 41 #define OUTPUT_SIZE sizeof(struct _output) 42 43 /* create/destroy output object */ 44 Output newOutput(); 45 Output newSizedOutput(int size); 46 void destroyOutput(Output out); 47 48 /* write output's buffer to stream */ 49 void outputWriteToStream(Output out, FILE *f); 50 51 /* utilities for writing */ 52 void outputGrow(Output out); 53 void outputCheckSize(Output out, int bytes); 54 void outputByteAlign(Output out); 55 56 int outputLength(Output out); 57 58 /* write data to output */ 59 void outputWriteBits(Output out, int data, int bits); 60 void outputWriteSBits(Output out, int data, int bits); 61 void outputWriteUInt8(Output out, int data); 62 void outputWriteSInt8(Output out, int data); 63 void outputWriteUInt16(Output out, int data); 64 void outputWriteSInt16(Output out, int data); 65 void outputWriteUInt32(Output out, long data); 66 void outputWriteSInt32(Output out, long data); 67 void outputWriteBuffer(Output out, char *buffer, int bytes); 68 69 /* number of bits required to store num */ 70 int numBits(int num); 71 int numSBits(int num); 72 73 void outputWriteRect(Output out, int xmin, int xmax, int ymin, int ymax); 74 void outputWriteString(Output out, byte *string); 75 76 #endif /* SWF_OUTPUT_H_INCLUDED */ 77