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Enable setting invible cursors.

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This commit is contained in:
Claudio Ciccani
2006-06-09 15:19:05 +00:00
parent 6acc6dd0c4
commit 4812a59754
1 changed files with 37 additions and 29 deletions
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src/glut/directfb/cursor.c
+37 -29
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@@ -32,10 +32,6 @@ glutSetCursor( int type )
const unsigned char *cursor;
DFBSurfaceDescription dsc;
IDirectFBSurface *shape;
__u8 *src, *msk;
void *dst;
int pitch;
int x, y;
if (!g_current || !g_current->window)
return;
@@ -104,44 +100,56 @@ glutSetCursor( int type )
case GLUT_CURSOR_BOTTOM_LEFT_CORNER:
cursor = &cur_bottom_left[0];
break;
case GLUT_CURSOR_NONE:
cursor = NULL;
break;
default:
cursor = &cur_right_arrow[0];
break;
}
dsc.flags = DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT;
dsc.width = cursor[0];
dsc.height = cursor[0];
dsc.width =
dsc.height = cursor ? cursor[0] : 8;
dsc.pixelformat = DSPF_ARGB;
if (dfb->CreateSurface( dfb, &dsc, &shape ))
return;
if (cursor) {
__u8 *src = (__u8*) &cursor[3];
__u8 *msk = src + cursor[0]*cursor[0]/8;
void *dst;
int pitch;
int x, y;
if (shape->Lock( shape, DSLF_WRITE, &dst, &pitch )) {
shape->Release( shape );
return;
}
src = (__u8*) &cursor[3];
msk = src + cursor[0]*cursor[0]/8;
for (y = 0; y < cursor[0]; y++) {
for (x = 0; x < cursor[0]; x++) {
int p = x & 7;
((__u32*)dst)[x] = ((src[x>>3] & (0x80 >> p)) ? 0 : 0x00ffffff) |
((msk[x>>3] & (0x80 >> p)) ? 0xff000000 : 0);
if (shape->Lock( shape, DSLF_WRITE, &dst, &pitch )) {
shape->Release( shape );
return;
}
dst += pitch;
src += 2;
msk += 2;
}
shape->Unlock( shape );
g_current->window->SetCursorShape( g_current->window,
shape, cursor[1], cursor[2] );
for (y = 0; y < cursor[0]; y++) {
for (x = 0; x < cursor[0]; x++) {
((__u32*)dst)[x] =
((src[x>>3] & (0x80 >> (x&7))) ? 0 : 0x00ffffff) |
((msk[x>>3] & (0x80 >> (x&7))) ? 0xff000000 : 0);
}
dst += pitch;
src += cursor[0]/8;
msk += cursor[0]/8;
}
shape->Unlock( shape );
}
else {
/* Invisible cursor */
shape->Clear( shape, 0, 0, 0, 0 );
}
g_current->window->SetCursorShape( g_current->window, shape,
cursor ? cursor[1] : 0,
cursor ? cursor[2] : 0 );
g_current->cursor = type;
shape->Release( shape );