1 8581c2b5 2018-11-16 rsc #include <u.h>
 2 8581c2b5 2018-11-16 rsc #include <libc.h>
 3 8581c2b5 2018-11-16 rsc #include <draw.h>
 4 8581c2b5 2018-11-16 rsc #include <cursor.h>
 5 8581c2b5 2018-11-16 rsc 
 6 8581c2b5 2018-11-16 rsc static uint8 expand[16] = {
 7 8581c2b5 2018-11-16 rsc 	0x00, 0x03, 0x0c, 0x0f,
 8 8581c2b5 2018-11-16 rsc 	0x30, 0x33, 0x3c, 0x3f,
 9 8581c2b5 2018-11-16 rsc 	0xc0, 0xc3, 0xcc, 0xcf,
10 8581c2b5 2018-11-16 rsc 	0xf0, 0xf3, 0xfc, 0xff,
11 8581c2b5 2018-11-16 rsc };
12 8581c2b5 2018-11-16 rsc 
13 8581c2b5 2018-11-16 rsc void
14 8581c2b5 2018-11-16 rsc scalecursor(Cursor2 *c2, Cursor *c)
15 8581c2b5 2018-11-16 rsc {
16 8581c2b5 2018-11-16 rsc 	int y;
17 8581c2b5 2018-11-16 rsc 
18 8581c2b5 2018-11-16 rsc 	c2->offset.x = 2*c->offset.x;
19 8581c2b5 2018-11-16 rsc 	c2->offset.y = 2*c->offset.y;
20 8581c2b5 2018-11-16 rsc 	memset(c2->clr, 0, sizeof c2->clr);
21 8581c2b5 2018-11-16 rsc 	memset(c2->set, 0, sizeof c2->set);
22 8581c2b5 2018-11-16 rsc 	for(y = 0; y < 16; y++) {
23 8581c2b5 2018-11-16 rsc 		c2->clr[8*y] = c2->clr[8*y+4] = expand[c->clr[2*y]>>4];
24 8581c2b5 2018-11-16 rsc 		c2->set[8*y] = c2->set[8*y+4] = expand[c->set[2*y]>>4];
25 8581c2b5 2018-11-16 rsc 		c2->clr[8*y+1] = c2->clr[8*y+5] = expand[c->clr[2*y]&15];
26 8581c2b5 2018-11-16 rsc 		c2->set[8*y+1] = c2->set[8*y+5] = expand[c->set[2*y]&15];
27 8581c2b5 2018-11-16 rsc 		c2->clr[8*y+2] = c2->clr[8*y+6] = expand[c->clr[2*y+1]>>4];
28 8581c2b5 2018-11-16 rsc 		c2->set[8*y+2] = c2->set[8*y+6] = expand[c->set[2*y+1]>>4];
29 8581c2b5 2018-11-16 rsc 		c2->clr[8*y+3] = c2->clr[8*y+7] = expand[c->clr[2*y+1]&15];
30 8581c2b5 2018-11-16 rsc 		c2->set[8*y+3] = c2->set[8*y+7] = expand[c->set[2*y+1]&15];
31 8581c2b5 2018-11-16 rsc 	}
32 8581c2b5 2018-11-16 rsc }