diff options
Diffstat (limited to 'krfb/libvncserver/zippy.c')
| -rw-r--r-- | krfb/libvncserver/zippy.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/krfb/libvncserver/zippy.c b/krfb/libvncserver/zippy.c new file mode 100644 index 00000000..2f35059d --- /dev/null +++ b/krfb/libvncserver/zippy.c @@ -0,0 +1,182 @@ +#include <stdio.h> +#include <stdlib.h> +#include <rfb.h> +#include <keysym.h> +#include "radon.h" + +int maxx=400, maxy=400, bpp=4; +/* odd maxx doesn't work (vncviewer bug) */ + +/* Here we create a structure so that every client has it's own pointer */ + +/* turns the framebuffer black */ +void blank_framebuffer(char* frame_buffer, int x1, int y1, int x2, int y2); +/* displays a red bar, a green bar, and a blue bar */ +void draw_primary_colors (char* frame_buffer, int x1, int y1, int x2, int y2); +void linecount (char* frame_buffer); +/* handles mouse events */ +void on_mouse_event (int buttonMask,int x,int y,rfbClientPtr cl); +/* handles keyboard events */ +void on_key_press (Bool down,KeySym key,rfbClientPtr cl); + +int main (int argc, char **argv) +{ + int i; + rfbScreenInfoPtr server; + + rfbProcessSizeArguments(&maxx,&maxy,&bpp,&argc,argv); + + server = rfbGetScreen (&argc, argv, maxx, maxy, 8, 3, bpp); + server->desktopName = "Zippy das wundersquirrel\'s VNC server"; + server->frameBuffer = (char*)malloc(maxx*maxy*bpp); + server->rfbAlwaysShared = TRUE; + server->kbdAddEvent = on_key_press; + server->ptrAddEvent = on_mouse_event; + + rfbInitServer (server); + + blank_framebuffer(server->frameBuffer, 0, 0, maxx, maxy); + rfbRunEventLoop (server, -1, FALSE); + free(server->frameBuffer); + rfbScreenCleanup (server); + return 0; +} + +void blank_framebuffer(char* frame_buffer, int x1, int y1, int x2, int y2) +{ + int i; + for (i=0; i < maxx * maxy * bpp; i++) frame_buffer[i]=(char) 0; +} + +void draw_primary_colors (char* frame_buffer, int x1, int y1, int x2, int y2) +{ + int i, j, current_pixel; + for (i=y1; i < y2; i++){ + for (j=x1; j < x2; j++) { + current_pixel = (i*x2 + j) * bpp; + if (i < y2 ) { + frame_buffer[current_pixel+0] = (char) 128; + frame_buffer[current_pixel+1] = (char) 0; + frame_buffer[current_pixel+2] = (char) 0; + } + if (i < y2/3*2) { + frame_buffer[current_pixel+0] = (char) 0; + frame_buffer[current_pixel+1] = (char) 128; + frame_buffer[current_pixel+2] = (char) 0; + } + if (i < y2/3) { + frame_buffer[current_pixel+0] = (char) 0; + frame_buffer[current_pixel+1] = (char) 0; + frame_buffer[current_pixel+2] = (char) 128; + } + } + } + } + +/* Dscho's versions (slower, but works for bpp != 3 or 4) */ +void draw_primary_colours_generic(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2) +{ + rfbPixelFormat f=s->rfbServerFormat; + int i,j; + for(j=y1;j<y2;j++) + for(i=x1;i<x2;i++) + if(j<y1*2/3+y2/3) + rfbDrawPixel(s,i,j,f.redMax<<f.redShift); + else if(j<y1/3+y2*2/3) + rfbDrawPixel(s,i,j,f.greenMax<<f.greenShift); + else + rfbDrawPixel(s,i,j,f.blueMax<<f.blueShift); +} + +void draw_primary_colours_generic_fast(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2) +{ + rfbPixelFormat f=s->rfbServerFormat; + int i,j,y3=(y1*2+y2)/3,y4=(y1+y2*2)/3; + /* draw first pixel */ + rfbDrawPixel(s,x1,y1,f.redMax<<f.redShift); + rfbDrawPixel(s,x1,y3,f.greenMax<<f.greenShift); + rfbDrawPixel(s,x1,y4,f.blueMax<<f.blueShift); + /* then copy stripes */ + for(j=0;j<y2-y4;j++) + for(i=x1;i<x2;i++) { +#define ADDR(x,y) s->frameBuffer+(x)*bpp+(y)*s->paddedWidthInBytes + memcpy(ADDR(i,j+y1),ADDR(x1,y1),bpp); + memcpy(ADDR(i,j+y3),ADDR(x1,y3),bpp); + memcpy(ADDR(i,j+y4),ADDR(x1,y4),bpp); + } +} + +void draw_primary_colours_generic_ultrafast(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2) +{ + rfbPixelFormat f=s->rfbServerFormat; + int i,j,y3=(y1*2+y2)/3,y4=(y1+y2*2)/3; + /* fill rectangles */ + rfbFillRect(s,x1,y1,x2,y3,f.redMax<<f.redShift); + rfbFillRect(s,x1,y3,x2,y4,f.greenMax<<f.greenShift); + rfbFillRect(s,x1,y4,x2,y2,f.blueMax<<f.blueShift); +} + +void linecount (char* frame_buffer) +{ + int i,j,k, current_pixel; + for (i=maxy-4; i>maxy-20; i-=4) + for (j=0; j<4; j++) for (k=0; k < maxx; k++) { + current_pixel = (i*j*maxx + k) * bpp; + if (i%2 == 0) { + frame_buffer[current_pixel+0] = (char) 0; + frame_buffer[current_pixel+1] = (char) 0; + frame_buffer[current_pixel+2] = (char) 128; + } + + if (i%2 == 1) { + frame_buffer[current_pixel+0] = (char) 128; + frame_buffer[current_pixel+1] = (char) 0; + frame_buffer[current_pixel+2] = (char) 0; + } + } + +} + + +void on_key_press (Bool down,KeySym key,rfbClientPtr cl) +{ + if (down) //or else the action occurs on both the press and depress + switch (key) { + + case XK_b: + case XK_B: + rfbUndrawCursor(cl->screen); + blank_framebuffer(cl->screen->frameBuffer, 0, 0, maxx, maxy); + rfbDrawString(cl->screen,&radonFont,20,maxy-20,"Hello, World!",0xffffff); + rfbMarkRectAsModified(cl->screen,0, 0,maxx,maxy); + fprintf (stderr, "Framebuffer blanked\n"); + break; + case XK_p: + case XK_P: + rfbUndrawCursor(cl->screen); + /* draw_primary_colors (cl->screen->frameBuffer, 0, 0, maxx, maxy); */ + draw_primary_colours_generic_ultrafast (cl->screen, 0, 0, maxx, maxy); + rfbMarkRectAsModified(cl->screen,0, 0,maxx,maxy); + fprintf (stderr, "Primary colors displayed\n"); + break; + case XK_Q: + case XK_q: + fprintf (stderr, "Exiting now\n"); + exit(0); + case XK_C: + case XK_c: + rfbUndrawCursor(cl->screen); + rfbDrawString(cl->screen,&radonFont,20,100,"Hello, World!",0xffffff); + rfbMarkRectAsModified(cl->screen,0, 0,maxx,maxy); + break; + default: + fprintf (stderr, "The %c key was pressed\n", (char) key); + } +} + + +void on_mouse_event (int buttonMask,int x,int y,rfbClientPtr cl) +{ + printf("buttonMask: %i\n" + "x: %i\n" "y: %i\n", buttonMask, x, y); +} |