www.pudn.com > DlgScrSaver.rar > PCX1.cpp

#include "stdafx.h" 
#include  
#include "PCX1.h" 
 
 
PCXHEADER pcxhdr; 
 
/* Read an entire file and store it in a (large) buffer, 
   pointed to by the variable bufr 
   filename is the name of the file, 
   including the .pcx extension */ 
 
int readpcx(BYTE* bufr, char* filename) 
{    
	int i; 
	long l, linesize; 
	BYTE block, count; 
	FILE* pcxfile; 
	if ((pcxfile = fopen(filename, "rb")) == NULL) return(0); 
	//pcxhdr.manufacturer = getc(pcxfile); 
	fread(&pcxhdr, 1, 128, pcxfile); 
	if (pcxhdr.manufacturer != 10) 
	{ 
		fclose(pcxfile); 
		return(0); 
	} 
	/* 
	pcxhdr.version = getc(pcxfile); 
	pcxhdr.encoding = getc(pcxfile); 
	pcxhdr.bitsperpixel = fgetc(pcxfile); 
	pcxhdr.xmin = getw(pcxfile); 
	pcxhdr.ymin = getw(pcxfile); 
	pcxhdr.xmax = getw(pcxfile); 
	pcxhdr.ymax = getw(pcxfile); 
	pcxhdr.hres = getw(pcxfile); 
	pcxhdr.vres = getw(pcxfile); 
	fread(pcxhdr.colormap, 48, sizeof(char), pcxfile); 
	pcxhdr.reserved = getc(pcxfile); 
	pcxhdr.nplanes = getc(pcxfile); 
	pcxhdr.bytesperline = getw(pcxfile); 
	pcxhdr.palettetype = getw(pcxfile); 
	fread(pcxhdr.filler, 58, sizeof(char), pcxfile); 
	*/ 
	linesize = (long) pcxhdr.bytesperline * pcxhdr.nplanes * 
		   (1 + pcxhdr.ymax - pcxhdr.ymin); 
	for (l = 0; l < linesize; )             /* increment by count below */ 
	{ 
		if (readpcxblock(&block, &count, pcxfile) == EOF) break; 
		for (i = 0; i < count; i++) 
			*bufr++ = block; 
		l += count; 
	} 
	ofstream os("c:\\pcx1.txt"); 
	int cc = 0; 
	for (int p=0; p