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libdraw: add Cursor2, a 32x32 high-res cursor

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Also add setcursor2, esetcursor2, and draw protocol encoding.
Calls to the old setcursor, esetcursor create a 32x32 by
pixel doubling when needed.
This commit is contained in:
Russ Cox 2018-11-15 20:22:59 -05:00
parent 9af9ceca26
commit 8581c2b567
11 changed files with 86 additions and 7 deletions
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14
src/libdraw/drawfcall.c
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@ -64,7 +64,7 @@ sizeW2M(Wsysmsg *m)
case Tmoveto:
return 4+1+1+4+4;
case Tcursor:
return 4+1+1+4+4+2*16+2*16+1;
return 4+1+1+4+4+2*16+2*16+4+4+4*32+4*32+1;
case Rerror:
return 4+1+1+_stringsize(m->error);
case Rrdkbd:
@ -141,7 +141,11 @@ convW2M(Wsysmsg *m, uchar *p, uint n)
PUT(p+10, m->cursor.offset.y);
memmove(p+14, m->cursor.clr, sizeof m->cursor.clr);
memmove(p+46, m->cursor.set, sizeof m->cursor.set);
p[78] = m->arrowcursor;
PUT(p+78, m->cursor2.offset.x);
PUT(p+82, m->cursor2.offset.y);
memmove(p+86, m->cursor2.clr, sizeof m->cursor2.clr);
memmove(p+214, m->cursor2.set, sizeof m->cursor2.set);
p[342] = m->arrowcursor;
break;
case Rrdkbd:
PUT2(p+6, m->rune);
@ -229,7 +233,11 @@ convM2W(uchar *p, uint n, Wsysmsg *m)
GET(p+10, m->cursor.offset.y);
memmove(m->cursor.clr, p+14, sizeof m->cursor.clr);
memmove(m->cursor.set, p+46, sizeof m->cursor.set);
m->arrowcursor = p[78];
GET(p+78, m->cursor2.offset.x);
GET(p+82, m->cursor2.offset.y);
memmove(m->cursor2.clr, p+86, sizeof m->cursor2.clr);
memmove(m->cursor2.set, p+214, sizeof m->cursor2.set);
m->arrowcursor = p[342];
break;
case Rrdkbd:
GET2(p+6, m->rune);