diff options
Diffstat (limited to 'krfb/libvncserver/pnmshow.c')
-rw-r--r-- | krfb/libvncserver/pnmshow.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/krfb/libvncserver/pnmshow.c b/krfb/libvncserver/pnmshow.c new file mode 100644 index 00000000..05e45b9c --- /dev/null +++ b/krfb/libvncserver/pnmshow.c @@ -0,0 +1,81 @@ +#include <stdio.h> +#include "rfb.h" +#include "keysym.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,j,k,width,height,paddedWidth; + 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.\n",width,height); + fgets(buffer,1024,in); + + /* vncviewers have problems with widths which are no multiple of 4. */ + paddedWidth = width; + if(width&3) + paddedWidth+=4-(width&3); + + /* initialize data for vnc server */ + rfbScreen = rfbGetScreen(&argc,argv,paddedWidth,height,8,3,4); + if(argc>1) + rfbScreen->desktopName = argv[1]; + else + rfbScreen->desktopName = "Picture"; + rfbScreen->rfbAlwaysShared = TRUE; + rfbScreen->kbdAddEvent = HandleKey; + + /* enable http */ + rfbScreen->httpDir = "./classes"; + + /* allocate picture and read it */ + rfbScreen->frameBuffer = (char*)malloc(paddedWidth*4*height); + fread(rfbScreen->frameBuffer,width*3,height,in); + fclose(in); + + /* correct the format to 4 bytes instead of 3 (and pad to paddedWidth) */ + for(j=height-1;j>=0;j--) { + for(i=width-1;i>=0;i--) + for(k=2;k>=0;k--) + rfbScreen->frameBuffer[(j*paddedWidth+i)*4+k]= + rfbScreen->frameBuffer[(j*width+i)*3+k]; + for(i=width*4;i<paddedWidth*4;i++) + rfbScreen->frameBuffer[j*paddedWidth*4+i]=0; + } + + /* initialize server */ + rfbInitServer(rfbScreen); + + /* run event loop */ + rfbRunEventLoop(rfbScreen,40000,FALSE); + + return(0); +} |