2 * scientific visualization api for direct framebuffer
4 * author: hackbard@hackdaworld.dyndns.org
12 /* two dimensional lattice */
14 int d2_lattice_init(int *argc,char **argv,d2_lattice *d2_l)
16 DFBSurfaceDescription surface_dsc;
17 DFBFontDescription font_dsc;
19 DirectFBInit(argc,&argv);
20 DirectFBCreate(&(d2_l->dfb));
21 d2_l->dfb->SetCooperativeLevel(d2_l->dfb,DFSCL_FULLSCREEN);
23 surface_dsc.flags=DSDESC_CAPS;
24 surface_dsc.caps=DSCAPS_PRIMARY|DSCAPS_FLIPPING;
25 d2_l->dfb->CreateSurface(d2_l->dfb,&surface_dsc,&(d2_l->p_surface));
26 d2_l->p_surface->GetSize(d2_l->p_surface,&(d2_l->s_width),&(d2_l->s_height));
28 font_dsc.flags=DFDESC_HEIGHT;
29 font_dsc.height=d2_l->s_height/40; /* 40 ? */
30 d2_l->font_h=font_dsc.height;
31 d2_l->dfb->CreateFont(d2_l->dfb,FONT,&font_dsc,&(d2_l->font));
32 d2_l->p_surface->SetFont(d2_l->p_surface,d2_l->font);
34 d2_l->fakt_y=(d2_l->s_height-(2*Y_GAP))/(d2_l->max_y);
35 d2_l->fakt_x=(d2_l->s_height-X_GAP)/(d2_l->max_x); /* bullshit, i can't imagine atm */
36 d2_l->info_x=d2_l->fakt_x*d2_l->max_x+2*X_GAP;
38 d2_l->info_w=d2_l->s_width-d2_l->info_x-2*X_GAP;
39 d2_l->info_h=d2_l->max_y*d2_l->fakt_y;
41 if((d2_l->s_height<(d2_l->max_y+2*Y_GAP)) || (d2_l->s_height<(d2_l->max_x+X_GAP)))
43 puts("resolution too low!");
48 int d3_lattice_init(int *argc,char **argv,d3_lattice *d3_l)
50 DFBSurfaceDescription surface_dsc;
51 DFBFontDescription font_dsc;
53 DirectFBInit(argc,&argv);
54 DirectFBCreate(&(d3_l->dfb));
55 d3_l->dfb->SetCooperativeLevel(d3_l->dfb,DFSCL_FULLSCREEN);
57 surface_dsc.flags=DSDESC_CAPS;
58 surface_dsc.caps=DSCAPS_PRIMARY|DSCAPS_FLIPPING;
59 d3_l->dfb->CreateSurface(d3_l->dfb,&surface_dsc,&(d3_l->p_surface));
60 d3_l->p_surface->GetSize(d3_l->p_surface,&(d3_l->s_width),&(d3_l->s_height));
62 font_dsc.flags=DFDESC_HEIGHT;
63 font_dsc.height=d3_l->s_height/40; /* 40 ? */
64 d3_l->font_h=font_dsc.height;
65 d3_l->dfb->CreateFont(d3_l->dfb,FONT,&font_dsc,&(d3_l->font));
66 d3_l->p_surface->SetFont(d3_l->p_surface,d3_l->font);
68 d3_l->fakt_y=(d3_l->s_height-(3*Y_GAP))/(d3_l->max_z+d3_l->max_y);
69 d3_l->fakt_x=(d3_l->s_width-(3*X_GAP))/(d3_l->max_x+d3_l->max_y);
70 d3_l->info_x=d3_l->fakt_x*d3_l->max_x+(2*X_GAP);
71 d3_l->info_y=d3_l->fakt_y*d3_l->max_z+(2*Y_GAP);
72 d3_l->info_w=d3_l->fakt_x*d3_l->max_y;
73 d3_l->info_h=d3_l->fakt_y*d3_l->max_y;
78 int d2_lattice_release(d2_lattice *d2_l)
80 d2_l->font->Release(d2_l->font);
81 d2_l->p_surface->Release(d2_l->p_surface);
82 d2_l->dfb->Release(d2_l->dfb);
87 int d3_lattice_release(d3_lattice *d3_l)
89 d3_l->font->Release(d3_l->font);
90 d3_l->p_surface->Release(d3_l->p_surface);
91 d3_l->dfb->Release(d3_l->dfb);
96 int dx_lattice_get_color(unsigned char *status,unsigned char *r,unsigned char *g,unsigned char *b)
113 int d2_lattice_draw(d2_lattice *d2_l,int x,int y,int arg_c,char **arg_v)
117 unsigned char r,g,b,a;
119 a=0xff; /* no alpha blending */
121 for(x_c=0;x_c<d2_l->max_x;x_c++)
123 for(y_c=0;y_c<d2_l->max_y;y_c++)
125 dx_lattice_get_color((*d2_l).status+x_c+y_c*d2_l->max_x,&r,&g,&b);
132 d2_l->p_surface->SetColor(d2_l->p_surface,r,g,b,a);
133 d2_l->p_surface->DrawRectangle(d2_l->p_surface,
134 x_c*d2_l->fakt_x+X_GAP,
135 y_c*d2_l->fakt_y+Y_GAP,
136 d2_l->fakt_x,d2_l->fakt_y);
143 d2_l->p_surface->SetColor(d2_l->p_surface,0,0,0,0);
144 d2_l->p_surface->FillRectangle(d2_l->p_surface,
145 d2_l->info_x,d2_l->info_y,
146 d2_l->info_w,d2_l->info_h);
147 d2_l->p_surface->SetColor(d2_l->p_surface,r,g,b,a);
148 d2_l->p_surface->DrawRectangle(d2_l->p_surface,
149 d2_l->info_x,d2_l->info_y,
150 d2_l->info_w,d2_l->info_h);
151 d2_l->p_surface->SetColor(d2_l->p_surface,0x80,0x80,0xff,0xff);
152 for(i=1;i<=arg_c;i++)
154 d2_l->p_surface->DrawString(d2_l->p_surface,arg_v[i],-1,
155 d2_l->info_x+d2_l->fakt_x,
156 d2_l->info_y+d2_l->fakt_y+d2_l->font_h+(i-1)*2*d2_l->font_h,
159 /* now we flip all to surface */
160 d2_l->p_surface->Flip(d2_l->p_surface,NULL,0);
165 int d3_lattice_draw(d3_lattice *d3_l,int x,int y,int z,int arg_c,char **arg_v)
169 unsigned char r,g,b,a;
171 a=0xff; /* no alpha blending */
174 for(x_c=0;x_c<d3_l->max_x;x_c++)
176 for(z_c=0;z_c<d3_l->max_z;z_c++)
178 dx_lattice_get_color((*d3_l).status+x_c+y_c*d3_l->max_x+z_c*d3_l->max_x*d3_l->max_y,&r,&g,&b);
185 d3_l->p_surface->SetColor(d3_l->p_surface,r,g,b,a);
186 d3_l->p_surface->DrawRectangle(d3_l->p_surface,
187 x_c*d3_l->fakt_x+X_GAP,
188 z_c*d3_l->fakt_y+Y_GAP,
189 d3_l->fakt_x,d3_l->fakt_y);
194 for(y_c=0;y_c<d3_l->max_y;y_c++)
196 for(z_c=0;z_c<d3_l->max_z;z_c++)
198 dx_lattice_get_color((*d3_l).status+x_c+y_c*d3_l->max_x+z_c*d3_l->max_x*d3_l->max_y,&r,&g,&b);
205 d3_l->p_surface->SetColor(d3_l->p_surface,r,g,b,a);
206 d3_l->p_surface->DrawRectangle(d3_l->p_surface,
207 y_c*d3_l->fakt_x+d3_l->info_x,
208 z_c*d3_l->fakt_y+Y_GAP,
209 d3_l->fakt_x,d3_l->fakt_y);
214 for(x_c=0;x_c<d3_l->max_x;x_c++)
216 for(y_c=0;y_c<d3_l->max_y;y_c++)
218 dx_lattice_get_color((*d3_l).status+x_c+y_c*d3_l->max_x+z_c*d3_l->max_x*d3_l->max_y,&r,&g,&b);
225 d3_l->p_surface->SetColor(d3_l->p_surface,r,g,b,a);
226 d3_l->p_surface->DrawRectangle(d3_l->p_surface,
227 x_c*d3_l->fakt_x+X_GAP,
228 y_c*d3_l->fakt_y+d3_l->info_y,
229 d3_l->fakt_x,d3_l->fakt_y);
237 d3_l->p_surface->SetColor(d3_l->p_surface,0,0,0,0);
238 d3_l->p_surface->FillRectangle(d3_l->p_surface,
239 d3_l->info_x,d3_l->info_y,
240 d3_l->info_w,d3_l->info_h);
241 d3_l->p_surface->SetColor(d3_l->p_surface,r,g,b,a);
242 d3_l->p_surface->DrawRectangle(d3_l->p_surface,
243 d3_l->info_x,d3_l->info_y,
244 d3_l->info_w,d3_l->info_h);
245 d3_l->p_surface->DrawLine(d3_l->p_surface,
246 d3_l->info_x+d3_l->info_w/2,
248 d3_l->info_x+d3_l->info_w/2,
249 d3_l->info_y+d3_l->info_h);
250 d3_l->p_surface->SetColor(d3_l->p_surface,0x80,0x80,0xff,0xff);
251 for(i=1;i<=arg_c;i++)
255 d3_l->p_surface->DrawString(d3_l->p_surface,arg_v[i],-1,
256 d3_l->info_x+d3_l->fakt_x,
257 d3_l->info_y+2*d3_l->fakt_y+d3_l->font_h+(i-1)*d3_l->font_h,
261 d3_l->p_surface->DrawString(d3_l->p_surface,arg_v[i],-1,
262 d3_l->info_x+d3_l->info_w/2+d3_l->fakt_x,
263 d3_l->info_y+2*d3_l->fakt_y+d3_l->font_h+(i%13-1)*d3_l->font_h,
268 /* now we flip all to surface */
269 d3_l->p_surface->Flip(d3_l->p_surface,NULL,0);
274 int d2_event_init(d2_lattice *d2_l)
276 d2_l->dfb->GetInputDevice(d2_l->dfb,DIDID_KEYBOARD,&(d2_l->keyboard));
277 d2_l->keyboard->CreateEventBuffer(d2_l->keyboard,&(d2_l->k_buffer));
282 int d3_event_init(d3_lattice *d3_l)
284 d3_l->dfb->GetInputDevice(d3_l->dfb,DIDID_KEYBOARD,&(d3_l->keyboard));
285 d3_l->keyboard->CreateEventBuffer(d3_l->keyboard,&(d3_l->k_buffer));
290 int scan_event(d3_lattice *d3_l,int *x,int *y,int *z,int *q,int *esc)
294 d3_l->k_buffer->WaitForEvent(d3_l->k_buffer);
295 d3_l->k_buffer->GetEvent(d3_l->k_buffer,DFB_EVENT(&ke));
296 if(ke.type==DIET_KEYPRESS)
298 if(ke.key_id==DIKI_LEFT && *x!=0) *x-=1;
299 if(ke.key_id==DIKI_RIGHT && *x!=d3_l->max_x-1) *x+=1;
300 if(ke.key_id==DIKI_UP && *y!=0) *y-=1;
301 if(ke.key_id==DIKI_DOWN && *y!=d3_l->max_y-1) *y+=1;
302 if(ke.key_id==DIKI_PAGE_UP && *z!=0) *z-=1;
303 if(ke.key_id==DIKI_PAGE_DOWN && *z!=d3_l->max_z-1) *z+=1;
304 if(ke.key_id==DIKI_Q) *q=1;
305 if(ke.key_id==DIKI_ESCAPE) *esc=1;