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*cur=sqlite3_malloc(sizeof(Cursor));
return *cur?SQLITE_OK:SQLITE_NOMEM;
}
static int vt_graph_connect(sqlite3*db,void*aux,int argc,const char*const*argv,sqlite3_vtab**vt,char**ex) {
*vt=sqlite3_malloc(sizeof(sqlite3_vtab));
if(!*vt) return SQLITE_NOMEM;
sqlite3_declare_vtab(db,"CREATE TABLE `GRID`(`X` INT, `Y` INT, `C` INT);");
sqlite3_declare_vtab(db,"CREATE TABLE `GRAPH`(`X` INT, `Y` INT, `C` INT);");
return SQLITE_OK;
}
static int vt_graph_disconnect(sqlite3_vtab*vt) {
sqlite3_free(vt);
return SQLITE_OK;
}
|
| ︙ | | |
539
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569
570
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579
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|
cy=0.5*(y1+y0);
rx=0.5*(x1-x0);
ry=0.5*(y1-y0);
for(y=y0;y<=y1;y++) for(x=x0;x<=x1;x++) {
if(pow((x-cx)/rx,2.0)+pow((y-cy)/ry,2.0)<=1.0) p[y*s+x]=c;
}
}
static void flood(Uint8 x,Uint8 y,Uint8 mx,Uint8 my,Uint8 mw,Uint8 mh,Uint8 c,Uint8 c0,Uint8 b) {
sqlite3_stmt*st;
if(c0==c) return;
if(sqlite3_prepare_v2(userdb,
// This isn't as efficient as it should be, since it has to scan the entire table every time.
"INSERT INTO GRAPH(X,Y,C) WITH R(XX,YY) AS ("
"SELECT ?1,?2 UNION SELECT X,Y FROM R,GRAPH WHERE C=?4"
" AND ABS(X-XX)+ABS(Y-YY)<>?5 AND ABS(X-XX)<2 AND ABS(Y-YY)<2"
" AND X>=?6 AND X<?8 AND Y>=?7 AND Y<?9"
") SELECT XX,YY,?3 FROM R;"
,-1,&st,0)) {
screen_message(sqlite3_errmsg(userdb));
return;
}
sqlite3_bind_int(st,1,x);
sqlite3_bind_int(st,2,y);
sqlite3_bind_int(st,3,c);
sqlite3_bind_int(st,4,c0);
sqlite3_bind_int(st,5,3-b);
sqlite3_bind_int(st,6,mx);
sqlite3_bind_int(st,7,my);
sqlite3_bind_int(st,8,mx+mw);
sqlite3_bind_int(st,9,my+mh);
sqlite3_step(st);
sqlite3_finalize(st);
}
static Picture*do_import(Picture*pic) {
SDL_Color*pal=screen->format->palette->colors;
int a,b,i,j,x,y;
Uint8 buf[16];
Uint8*q;
const char*cmd=screen_prompt("Import?");
|
| ︙ | | |
624
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|
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+
+
|
"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F"
"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F"
;
static const Uint8 gridlines[32]=
"\xF8\xFF\xF8\xFF\xF8\xFF\xF8\xFF\xF8\xFF\xF8\xFF\xF8\xFF\xF8\xFF"
"\xF8\xFF\xF8\xFF\xF8\xFF\xF8\xFF\xF8\xFF\xF8\xFF\xF8\xFF\xF8\xFF"
;
static const char*const tool[10]={
static const char*const tool[11]={
"Draw",
"Mark",
"Pick",
"Line",
"Rect",
"Fillrect",
"Circle",
"fIllcirc",
"Ellipse",
"fillellipSe",
"flOod",
};
static Picture*pclip=0;
Uint8*p;
Uint8*q;
Uint8 sel=0;
Uint8 cc=0;
Uint8 t=2;
|
| ︙ | | |
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673
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|
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|
j=snprintf(buf,255,"%c%d%c",i==sel?'<':' ',pict[i]->size,i==sel?'>':' ');
draw_text(x<<3,0,buf,0xF0,i==sel?0xFF:0xF8);
x+=j;
}
draw_text(0,8,"<ESC> Exit <1-9> Sel <SP> Unmark <RET> Copy <INS> Paste <DEL> Erase",0xF0,0xFB);
draw_text(0,16,"<F1> CW <F2> CCW <F3> \x12 <F4> \x1D <F5> Size <F6> Add <F7> Del <F8> Mark <F9> In <F10> Out",0xF0,0xFB);
x=0;
for(i=0;i<10;i++) {
for(i=0;i<11;i++) {
j=snprintf(buf,255,"%c%s%c",i==t?'<':' ',tool[i],i==t?'>':' ');
draw_text(x<<3,24,buf,0xF0,i==t?0xFE:0xF8);
x+=j;
}
p=screen->pixels+40*screen->pitch;
q=pict[sel]->data+pict[sel]->size;
for(y=0;y<pict[sel]->size;y++) {
|
| ︙ | | |
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820
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823
824
|
+
+
-
+
+
+
-
-
+
+
+
|
break;
case SDL_MOUSEBUTTONDOWN:
if(ev.button.x>=screen->w-161 && ev.button.x<screen->w-1 && ev.button.y>=40 && ev.button.y<200) {
x=(ev.button.x+161-screen->w)/10;
y=(ev.button.y-40)/10;
i=y*16+x;
pick:
y=SDL_GetModState();
switch(ev.button.button) {
case 1: cc=i; break;
case 2:
for(x=(m.y+1)*pict[sel]->size+m.x;x<pict[sel]->size*(pict[sel]->size+1);x++) {
if(!y || ((y&(KMOD_CTRL|KMOD_SHIFT)) && (((x-x/pict[sel]->size)^(y&KMOD_CTRL?1:0))&1))) {
if(pict[sel]->data[x]==cc) pict[sel]->data[x]=i;
if(pict[sel]->data[x]==cc) pict[sel]->data[x]=i;
}
if(m.w && x%pict[sel]->size==m.x+m.w-1) x+=pict[sel]->size-m.w;
if(m.h && x/pict[sel]->size>m.h+m.y) break;
}
break;
case 3:
for(x=(m.y+1)*pict[sel]->size+m.x;x<pict[sel]->size*(pict[sel]->size+1);x++) {
if(!y || ((y&(KMOD_CTRL|KMOD_SHIFT)) && (((x-x/pict[sel]->size)^(y&KMOD_CTRL?1:0))&1))) {
if(pict[sel]->data[x]==cc) pict[sel]->data[x]=i;
else if(pict[sel]->data[x]==i) pict[sel]->data[x]=cc;
if(pict[sel]->data[x]==cc) pict[sel]->data[x]=i;
else if(pict[sel]->data[x]==i) pict[sel]->data[x]=cc;
}
if(m.w && x%pict[sel]->size==m.x+m.w-1) x+=pict[sel]->size-m.w;
if(m.h && x/pict[sel]->size>m.h+m.y) break;
}
break;
}
goto redraw;
} else if(ev.button.x>=pict[sel]->size+2 && ev.button.x<pict[sel]->size*(z+1)+2 && ev.button.y>=41 && ev.button.y<z*pict[sel]->size+41) {
|
| ︙ | | |
866
867
868
869
870
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873
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877
878
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|
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|
+
+
+
+
|
if(i==1) {
xx=x; yy=y;
} else if(xx!=-1) {
fill_ellipse(pict[sel]->data+pict[sel]->size,pict[sel]->size,x,y,xx,yy,cc);
draw_ellipse(pict[sel]->data+pict[sel]->size,pict[sel]->size,x,y,xx,yy,cc);
}
break;
case 10: // Flood
if(!m.w) m.x=m.y=m.h=0;
flood(x,y,m.x,m.y,m.w?:pict[sel]->size,m.h?:pict[sel]->size,cc,pict[sel]->data[(y+1)*pict[sel]->size+x],i);
}
goto redraw;
}
break;
case SDL_KEYDOWN:
switch(ev.key.keysym.sym) {
case SDLK_ESCAPE: return;
case SDLK_LEFTBRACKET: case SDLK_LEFTPAREN: --sel; m.x=m.y=m.w=m.h=0; goto redraw;
case SDLK_RIGHTBRACKET: case SDLK_RIGHTPAREN: ++sel; m.x=m.y=m.w=m.h=0; goto redraw;
case SDLK_1 ... SDLK_9: sel=ev.key.keysym.sym-SDLK_1; m.x=m.y=m.w=m.h=0; goto redraw;
case SDLK_c: t=6; xx=yy=-1; goto redraw;
case SDLK_d: t=0; xx=yy=-1; goto redraw;
case SDLK_e: t=8; xx=yy=-1; goto redraw;
case SDLK_f: t=5; xx=yy=-1; goto redraw;
case SDLK_i: t=7; xx=yy=-1; goto redraw;
case SDLK_l: t=3; xx=yy=-1; goto redraw;
case SDLK_m: t=1; xx=yy=-1; goto redraw;
case SDLK_o: t=10; xx=yy=-1; goto redraw;
case SDLK_p: t=2; xx=yy=-1; goto redraw;
case SDLK_r: t=4; xx=yy=-1; goto redraw;
case SDLK_s: t=9; xx=yy=-1; goto redraw;
case SDLK_TAB: if(ev.key.keysym.mod&KMOD_SHIFT) --sel; else ++sel; m.x=m.y=m.w=m.h=0; goto redraw;
case SDLK_SPACE:
m.x=m.y=m.w=m.h=0;
xx=yy=-1;
|
| ︙ | | |