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101 lines
2.2 KiB
101 lines
2.2 KiB
/**
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* @example pnmshow24.c
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*/
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#include <stdio.h>
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#include <rfb/rfb.h>
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#include <rfb/keysym.h>
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#ifndef LIBVNCSERVER_ALLOW24BPP
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int main() {
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printf("I need the ALLOW24BPP LibVNCServer flag to work\n");
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exit(1);
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}
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#else
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static void HandleKey(rfbBool down,rfbKeySym 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 j,width,height,paddedWidth;
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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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rfbLog("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 your vncviewer doesn't have problems with a width
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which is not a multiple of 4, you can comment this. */
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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,8,3,3);
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if(!rfbScreen)
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return 0;
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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->alwaysShared = TRUE;
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rfbScreen->kbdAddEvent = HandleKey;
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/* enable http */
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rfbScreen->httpDir = "../webclients";
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/* allocate picture and read it */
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rfbScreen->frameBuffer = (char*)malloc(paddedWidth*3*height);
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fread(rfbScreen->frameBuffer,width*3,height,in);
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fclose(in);
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/* pad to paddedWidth */
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if(width != paddedWidth) {
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int padCount = 3*(paddedWidth - width);
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for(j=height-1;j>=0;j--) {
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memmove(rfbScreen->frameBuffer+3*paddedWidth*j,
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rfbScreen->frameBuffer+3*width*j,
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3*width);
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memset(rfbScreen->frameBuffer+3*paddedWidth*(j+1)-padCount,
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0,padCount);
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}
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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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#endif
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