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author | dscho <dscho> | 2003-02-07 11:53:43 +0000 |
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committer | dscho <dscho> | 2003-02-07 11:53:43 +0000 |
commit | 6b7cdeb9ef9ffb149d8dc38b17a55ebe503e31e7 (patch) | |
tree | 2d267e28a9a373a98afb9b4e09e4ae53f9a6e37e /examples/pnmshow24.c | |
parent | 357844447caa9af50f78fb3cc17309621ee90e76 (diff) | |
download | libtdevnc-6b7cdeb9ef9ffb149d8dc38b17a55ebe503e31e7.tar.gz libtdevnc-6b7cdeb9ef9ffb149d8dc38b17a55ebe503e31e7.zip |
moved files to contrib/ and examples/
Diffstat (limited to 'examples/pnmshow24.c')
-rw-r--r-- | examples/pnmshow24.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/examples/pnmshow24.c b/examples/pnmshow24.c new file mode 100644 index 0000000..e096c7f --- /dev/null +++ b/examples/pnmshow24.c @@ -0,0 +1,90 @@ +#ifndef ALLOW24BPP +#error "I need the ALLOW24BPP flag to work" +#endif + +#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 j,width,height,paddedWidth; + 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 your vncviewer doesn't have problems with a width + which is not a multiple of 4, you can comment this. */ + if(width&3) + paddedWidth+=4-(width&3); + + /* initialize data for vnc server */ + rfbScreen = rfbGetScreen(&argc,argv,paddedWidth,height,8,3,3); + 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*3*height); + fread(rfbScreen->frameBuffer,width*3,height,in); + fclose(in); + + /* pad to paddedWidth */ + if(width != paddedWidth) { + int padCount = 3*(paddedWidth - width); + for(j=height-1;j>=0;j--) { + memmove(rfbScreen->frameBuffer+3*paddedWidth*j, + rfbScreen->frameBuffer+3*width*j, + 3*width); + memset(rfbScreen->frameBuffer+3*paddedWidth*(j+1)-padCount, + 0,padCount); + } + } + + /* initialize server */ + rfbInitServer(rfbScreen); + + /* run event loop */ + rfbRunEventLoop(rfbScreen,40000,FALSE); + + return(0); +} |