1 c66b5250 2006-06-25 devnull #include <u.h>
2 c66b5250 2006-06-25 devnull #include "x11-inc.h"
3 c66b5250 2006-06-25 devnull #include <libc.h>
4 c66b5250 2006-06-25 devnull #include <draw.h>
5 c66b5250 2006-06-25 devnull #include <memdraw.h>
6 c66b5250 2006-06-25 devnull #include "x11-memdraw.h"
8 c66b5250 2006-06-25 devnull static void
9 c66b5250 2006-06-25 devnull addrect(Rectangle *rp, Rectangle r)
11 c66b5250 2006-06-25 devnull if(rp->min.x >= rp->max.x)
14 c66b5250 2006-06-25 devnull combinerect(rp, r);
18 c66b5250 2006-06-25 devnull _xgetxdata(Memimage *m, Rectangle r)
20 c66b5250 2006-06-25 devnull int x, y;
21 c66b5250 2006-06-25 devnull uchar *p;
22 c66b5250 2006-06-25 devnull Point tp, xdelta, delta;
23 c66b5250 2006-06-25 devnull Xmem *xm;
25 c66b5250 2006-06-25 devnull xm = m->X;
26 c66b5250 2006-06-25 devnull if(xm == nil)
27 c66b5250 2006-06-25 devnull return nil;
29 c66b5250 2006-06-25 devnull if(xm->dirty == 0)
30 c66b5250 2006-06-25 devnull return xm->xi;
32 c66b5250 2006-06-25 devnull abort(); /* should never call this now */
34 c66b5250 2006-06-25 devnull r = xm->dirtyr;
35 c66b5250 2006-06-25 devnull if(Dx(r)==0 || Dy(r)==0)
36 c66b5250 2006-06-25 devnull return xm->xi;
38 c66b5250 2006-06-25 devnull delta = subpt(r.min, m->r.min);
40 c66b5250 2006-06-25 devnull tp = xm->r.min; /* need temp for Digital UNIX */
41 c66b5250 2006-06-25 devnull xdelta = subpt(r.min, tp);
43 c66b5250 2006-06-25 devnull XGetSubImage(_x.display, xm->pixmap, delta.x, delta.y, Dx(r), Dy(r),
44 c66b5250 2006-06-25 devnull AllPlanes, ZPixmap, xm->xi, xdelta.x, delta.y);
46 c66b5250 2006-06-25 devnull if(_x.usetable && m->chan==CMAP8){
47 c66b5250 2006-06-25 devnull for(y=r.min.y; y<r.max.y; y++)
48 c66b5250 2006-06-25 devnull for(x=r.min.x, p=byteaddr(m, Pt(x,y)); x<r.max.x; x++, p++)
49 c66b5250 2006-06-25 devnull *p = _x.toplan9[*p];
51 c66b5250 2006-06-25 devnull xm->dirty = 0;
52 c66b5250 2006-06-25 devnull xm->dirtyr = Rect(0,0,0,0);
53 c66b5250 2006-06-25 devnull return xm->xi;
57 c66b5250 2006-06-25 devnull _xputxdata(Memimage *m, Rectangle r)
59 c66b5250 2006-06-25 devnull int offset, x, y;
60 c66b5250 2006-06-25 devnull uchar *p;
61 c66b5250 2006-06-25 devnull Point tp, xdelta, delta;
62 c66b5250 2006-06-25 devnull Xmem *xm;
64 c66b5250 2006-06-25 devnull XImage *xi;
66 c66b5250 2006-06-25 devnull xm = m->X;
67 c66b5250 2006-06-25 devnull if(xm == nil)
70 c66b5250 2006-06-25 devnull xi = xm->xi;
71 c66b5250 2006-06-25 devnull gc = m->chan==GREY1 ? _x.gccopy0 : _x.gccopy;
72 c66b5250 2006-06-25 devnull if(m->depth == 24)
73 c66b5250 2006-06-25 devnull offset = r.min.x & 3;
75 c66b5250 2006-06-25 devnull offset = r.min.x & (31/m->depth);
77 c66b5250 2006-06-25 devnull delta = subpt(r.min, m->r.min);
79 c66b5250 2006-06-25 devnull tp = xm->r.min; /* need temporary on Digital UNIX */
80 c66b5250 2006-06-25 devnull xdelta = subpt(r.min, tp);
82 c66b5250 2006-06-25 devnull if(_x.usetable && m->chan==CMAP8){
83 c66b5250 2006-06-25 devnull for(y=r.min.y; y<r.max.y; y++)
84 c66b5250 2006-06-25 devnull for(x=r.min.x, p=byteaddr(m, Pt(x,y)); x<r.max.x; x++, p++)
85 c66b5250 2006-06-25 devnull *p = _x.tox11[*p];
88 c66b5250 2006-06-25 devnull XPutImage(_x.display, xm->pixmap, gc, xi, xdelta.x, xdelta.y, delta.x, delta.y,
89 c66b5250 2006-06-25 devnull Dx(r), Dy(r));
91 c66b5250 2006-06-25 devnull if(_x.usetable && m->chan==CMAP8){
92 c66b5250 2006-06-25 devnull for(y=r.min.y; y<r.max.y; y++)
93 c66b5250 2006-06-25 devnull for(x=r.min.x, p=byteaddr(m, Pt(x,y)); x<r.max.x; x++, p++)
94 c66b5250 2006-06-25 devnull *p = _x.toplan9[*p];
99 c66b5250 2006-06-25 devnull _xdirtyxdata(Memimage *m, Rectangle r)
101 c66b5250 2006-06-25 devnull Xmem *xm;
103 c66b5250 2006-06-25 devnull xm = m->X;
104 c66b5250 2006-06-25 devnull if(xm == nil)
107 c66b5250 2006-06-25 devnull xm->dirty = 1;
108 c66b5250 2006-06-25 devnull addrect(&xm->dirtyr, r);