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libtdevnc/pnmshow.c

68 lines
1.6 KiB

#include <stdio.h>
#include "rfb.h"
#define XK_MISCELLANY
#include "keysymdef.h"
void HandleKey(Bool down,KeySym key,rfbClientPtr cl)
{
if(down && (key==XK_Escape || key=='q' || key=='Q'))
rfbCloseClient(cl);
}
int main(int argc,char** argv)
{
FILE* in=stdin;
int i,width,height;
unsigned char buffer[1024];
rfbScreenInfoPtr rfbScreen;
if(argc>1) {
in=fopen(argv[1],"rb");
if(!in) {
printf("Couldn't find file %s.\n",argv[1]);
exit(1);
}
}
fgets(buffer,1024,in);
if(strncmp(buffer,"P6",2)) {
printf("Not a ppm.\n");
exit(2);
}
/* skip comments */
do {
fgets(buffer,1024,in);
} while(buffer[0]=='#');
/* get width & height */
sscanf(buffer,"%d %d",&width,&height);
fprintf(stderr,"Got width %d and height %d (%s).\n",width,height,buffer);
fgets(buffer,1024,in);
/* initialize data for vnc server */
rfbScreen = rfbDefaultScreenInit(argc,argv,width,height,8,3,4);
if(argc>1)
rfbScreen->desktopName = argv[1];
else
rfbScreen->desktopName = "Picture";
rfbScreen->rfbAlwaysShared = TRUE;
rfbScreen->kbdAddEvent = HandleKey;
/* allocate picture and read it */
rfbScreen->frameBuffer = (char*)malloc(width*height*4);
fread(rfbScreen->frameBuffer,width*3,height,in);
/* correct the format to 4 bytes instead of 3 */
for(i=width*height-1;i>=0;i--) {
rfbScreen->frameBuffer[i*4+3]=rfbScreen->frameBuffer[i*3+2];
rfbScreen->frameBuffer[i*4+2]=rfbScreen->frameBuffer[i*3+1];
rfbScreen->frameBuffer[i*4+1]=rfbScreen->frameBuffer[i*3+0];
}
/* run event loop */
runEventLoop(rfbScreen,40000,FALSE);
return(0);
}