San Mehat | a430b2b | 2014-09-23 08:30:51 -0700 | [diff] [blame] | 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
| 3 | #include <rfb/rfb.h> |
| 4 | #include <rfb/keysym.h> |
| 5 | #include <rfb/default8x16.h> |
| 6 | |
| 7 | static int maxx=400, maxy=400, bpp=4; |
| 8 | /* odd maxx doesn't work (vncviewer bug) */ |
| 9 | |
| 10 | /* Here we create a structure so that every client has it's own pointer */ |
| 11 | |
| 12 | /* turns the framebuffer black */ |
| 13 | void blank_framebuffer(char* frame_buffer, int x1, int y1, int x2, int y2); |
| 14 | /* displays a red bar, a green bar, and a blue bar */ |
| 15 | void draw_primary_colors (char* frame_buffer, int x1, int y1, int x2, int y2); |
| 16 | void draw_primary_colours_generic(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2); |
| 17 | void draw_primary_colours_generic_fast(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2); |
| 18 | void linecount (char* frame_buffer); |
| 19 | /* handles mouse events */ |
| 20 | void on_mouse_event (int buttonMask,int x,int y,rfbClientPtr cl); |
| 21 | /* handles keyboard events */ |
| 22 | void on_key_press (rfbBool down,rfbKeySym key,rfbClientPtr cl); |
| 23 | |
| 24 | int main (int argc, char **argv) |
| 25 | { |
| 26 | rfbScreenInfoPtr server; |
| 27 | |
| 28 | if(!rfbProcessSizeArguments(&maxx,&maxy,&bpp,&argc,argv)) |
| 29 | return 1; |
| 30 | |
| 31 | server = rfbGetScreen (&argc, argv, maxx, maxy, 8, 3, bpp); |
| 32 | if(!server) |
| 33 | return 0; |
| 34 | server->desktopName = "Zippy das wundersquirrel\'s VNC server"; |
| 35 | server->frameBuffer = (char*)malloc(maxx*maxy*bpp); |
| 36 | server->alwaysShared = TRUE; |
| 37 | server->kbdAddEvent = on_key_press; |
| 38 | server->ptrAddEvent = on_mouse_event; |
| 39 | |
| 40 | rfbInitServer (server); |
| 41 | |
| 42 | blank_framebuffer(server->frameBuffer, 0, 0, maxx, maxy); |
| 43 | rfbRunEventLoop (server, -1, FALSE); |
| 44 | free(server->frameBuffer); |
| 45 | rfbScreenCleanup (server); |
| 46 | return 0; |
| 47 | } |
| 48 | |
| 49 | void blank_framebuffer(char* frame_buffer, int x1, int y1, int x2, int y2) |
| 50 | { |
| 51 | int i; |
| 52 | for (i=0; i < maxx * maxy * bpp; i++) frame_buffer[i]=(char) 0; |
| 53 | } |
| 54 | |
| 55 | void draw_primary_colors (char* frame_buffer, int x1, int y1, int x2, int y2) |
| 56 | { |
| 57 | int i, j, current_pixel; |
| 58 | for (i=y1; i < y2; i++){ |
| 59 | for (j=x1; j < x2; j++) { |
| 60 | current_pixel = (i*x2 + j) * bpp; |
| 61 | if (i < y2 ) { |
| 62 | frame_buffer[current_pixel+0] = (char) 128; |
| 63 | frame_buffer[current_pixel+1] = (char) 0; |
| 64 | frame_buffer[current_pixel+2] = (char) 0; |
| 65 | } |
| 66 | if (i < y2/3*2) { |
| 67 | frame_buffer[current_pixel+0] = (char) 0; |
| 68 | frame_buffer[current_pixel+1] = (char) 128; |
| 69 | frame_buffer[current_pixel+2] = (char) 0; |
| 70 | } |
| 71 | if (i < y2/3) { |
| 72 | frame_buffer[current_pixel+0] = (char) 0; |
| 73 | frame_buffer[current_pixel+1] = (char) 0; |
| 74 | frame_buffer[current_pixel+2] = (char) 128; |
| 75 | } |
| 76 | } |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | /* Dscho's versions (slower, but works for bpp != 3 or 4) */ |
| 81 | void draw_primary_colours_generic(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2) |
| 82 | { |
| 83 | rfbPixelFormat f=s->serverFormat; |
| 84 | int i,j; |
| 85 | for(j=y1;j<y2;j++) |
| 86 | for(i=x1;i<x2;i++) |
| 87 | if(j<y1*2/3+y2/3) |
| 88 | rfbDrawPixel(s,i,j,f.redMax<<f.redShift); |
| 89 | else if(j<y1/3+y2*2/3) |
| 90 | rfbDrawPixel(s,i,j,f.greenMax<<f.greenShift); |
| 91 | else |
| 92 | rfbDrawPixel(s,i,j,f.blueMax<<f.blueShift); |
| 93 | } |
| 94 | |
| 95 | void draw_primary_colours_generic_fast(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2) |
| 96 | { |
| 97 | rfbPixelFormat f=s->serverFormat; |
| 98 | int i,j,y3=(y1*2+y2)/3,y4=(y1+y2*2)/3; |
| 99 | /* draw first pixel */ |
| 100 | rfbDrawPixel(s,x1,y1,f.redMax<<f.redShift); |
| 101 | rfbDrawPixel(s,x1,y3,f.greenMax<<f.greenShift); |
| 102 | rfbDrawPixel(s,x1,y4,f.blueMax<<f.blueShift); |
| 103 | /* then copy stripes */ |
| 104 | for(j=0;j<y2-y4;j++) |
| 105 | for(i=x1;i<x2;i++) { |
| 106 | #define ADDR(x,y) s->frameBuffer+(x)*bpp+(y)*s->paddedWidthInBytes |
| 107 | memcpy(ADDR(i,j+y1),ADDR(x1,y1),bpp); |
| 108 | memcpy(ADDR(i,j+y3),ADDR(x1,y3),bpp); |
| 109 | memcpy(ADDR(i,j+y4),ADDR(x1,y4),bpp); |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | static void draw_primary_colours_generic_ultrafast(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2) |
| 114 | { |
| 115 | rfbPixelFormat f=s->serverFormat; |
| 116 | int y3=(y1*2+y2)/3,y4=(y1+y2*2)/3; |
| 117 | /* fill rectangles */ |
| 118 | rfbFillRect(s,x1,y1,x2,y3,f.redMax<<f.redShift); |
| 119 | rfbFillRect(s,x1,y3,x2,y4,f.greenMax<<f.greenShift); |
| 120 | rfbFillRect(s,x1,y4,x2,y2,f.blueMax<<f.blueShift); |
| 121 | } |
| 122 | |
| 123 | void linecount (char* frame_buffer) |
| 124 | { |
| 125 | int i,j,k, current_pixel; |
| 126 | for (i=maxy-4; i>maxy-20; i-=4) |
| 127 | for (j=0; j<4; j++) for (k=0; k < maxx; k++) { |
| 128 | current_pixel = (i*j*maxx + k) * bpp; |
| 129 | if (i%2 == 0) { |
| 130 | frame_buffer[current_pixel+0] = (char) 0; |
| 131 | frame_buffer[current_pixel+1] = (char) 0; |
| 132 | frame_buffer[current_pixel+2] = (char) 128; |
| 133 | } |
| 134 | |
| 135 | if (i%2 == 1) { |
| 136 | frame_buffer[current_pixel+0] = (char) 128; |
| 137 | frame_buffer[current_pixel+1] = (char) 0; |
| 138 | frame_buffer[current_pixel+2] = (char) 0; |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | } |
| 143 | |
| 144 | |
| 145 | void on_key_press (rfbBool down,rfbKeySym key,rfbClientPtr cl) |
| 146 | { |
| 147 | if (down) /* or else the action occurs on both the press and depress */ |
| 148 | switch (key) { |
| 149 | |
| 150 | case XK_b: |
| 151 | case XK_B: |
| 152 | blank_framebuffer(cl->screen->frameBuffer, 0, 0, maxx, maxy); |
| 153 | rfbDrawString(cl->screen,&default8x16Font,20,maxy-20,"Hello, World!",0xffffff); |
| 154 | rfbMarkRectAsModified(cl->screen,0, 0,maxx,maxy); |
| 155 | rfbLog("Framebuffer blanked\n"); |
| 156 | break; |
| 157 | case XK_p: |
| 158 | case XK_P: |
| 159 | /* draw_primary_colors (cl->screen->frameBuffer, 0, 0, maxx, maxy); */ |
| 160 | draw_primary_colours_generic_ultrafast (cl->screen, 0, 0, maxx, maxy); |
| 161 | rfbMarkRectAsModified(cl->screen,0, 0,maxx,maxy); |
| 162 | rfbLog("Primary colors displayed\n"); |
| 163 | break; |
| 164 | case XK_Q: |
| 165 | case XK_q: |
| 166 | rfbLog("Exiting now\n"); |
| 167 | exit(0); |
| 168 | case XK_C: |
| 169 | case XK_c: |
| 170 | rfbDrawString(cl->screen,&default8x16Font,20,100,"Hello, World!",0xffffff); |
| 171 | rfbMarkRectAsModified(cl->screen,0, 0,maxx,maxy); |
| 172 | break; |
| 173 | default: |
| 174 | rfbLog("The %c key was pressed\n", (char) key); |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | |
| 179 | void on_mouse_event (int buttonMask,int x,int y,rfbClientPtr cl) |
| 180 | { |
| 181 | printf("buttonMask: %i\n" |
| 182 | "x: %i\n" "y: %i\n", buttonMask, x, y); |
| 183 | } |