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82 lines
1.9 KiB
82 lines
1.9 KiB
#include <stdio.h>
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#include "rfb.h"
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#include "keysym.h"
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void HandleKey(Bool down,KeySym key,rfbClientPtr cl)
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{
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if(down && (key==XK_Escape || key=='q' || key=='Q'))
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rfbCloseClient(cl);
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}
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int main(int argc,char** argv)
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{
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FILE* in=stdin;
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int i,j,k,width,height,paddedWidth;
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unsigned char buffer[1024];
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rfbScreenInfoPtr rfbScreen;
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if(argc>1) {
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in=fopen(argv[1],"rb");
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if(!in) {
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printf("Couldn't find file %s.\n",argv[1]);
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exit(1);
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}
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}
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fgets(buffer,1024,in);
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if(strncmp(buffer,"P6",2)) {
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printf("Not a ppm.\n");
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exit(2);
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}
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/* skip comments */
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do {
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fgets(buffer,1024,in);
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} while(buffer[0]=='#');
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/* get width & height */
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sscanf(buffer,"%d %d",&width,&height);
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fprintf(stderr,"Got width %d and height %d.\n",width,height);
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fgets(buffer,1024,in);
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/* vncviewers have problems with widths which are no multiple of 4. */
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paddedWidth = width;
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if(width&3)
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paddedWidth+=4-(width&3);
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/* initialize data for vnc server */
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rfbScreen = rfbGetScreen(&argc,argv,paddedWidth,height,8,3,4);
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if(argc>1)
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rfbScreen->desktopName = argv[1];
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else
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rfbScreen->desktopName = "Picture";
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rfbScreen->rfbAlwaysShared = TRUE;
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rfbScreen->kbdAddEvent = HandleKey;
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/* enable http */
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rfbScreen->httpDir = "./classes";
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/* allocate picture and read it */
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rfbScreen->frameBuffer = (char*)malloc(paddedWidth*4*height);
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fread(rfbScreen->frameBuffer,width*3,height,in);
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fclose(in);
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/* correct the format to 4 bytes instead of 3 (and pad to paddedWidth) */
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for(j=height-1;j>=0;j--) {
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for(i=width-1;i>=0;i--)
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for(k=2;k>=0;k--)
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rfbScreen->frameBuffer[(j*paddedWidth+i)*4+k]=
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rfbScreen->frameBuffer[(j*width+i)*3+k];
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for(i=width*4;i<paddedWidth*4;i++)
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rfbScreen->frameBuffer[j*paddedWidth*4+i]=0;
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}
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/* initialize server */
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rfbInitServer(rfbScreen);
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/* run event loop */
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rfbRunEventLoop(rfbScreen,40000,FALSE);
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return(0);
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}
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