static bool
bbox_forward_init_box(void *pdata)
{
gx_device_bbox *const bdev = (gx_device_bbox *)pdata;
return BBOX_INIT_BOX(bdev);
}
static int
bbox_open_device(gx_device * dev)
{
gx_device_bbox *bdev = (gx_device_bbox *) dev;
int code;
if (bdev->free_standing) {
gx_device_forward_fill_in_procs((gx_device_forward *) dev);
bdev->box_procs = box_procs_default;
bdev->box_proc_data = bdev;
code = install_internal_subclass_devices((gx_device **)&bdev, NULL);
if (code < 0)
return code;
}
if (bdev->box_procs.init_box == box_procs_default.init_box)
BBOX_INIT_BOX(bdev);
/* gx_forward_open_device doesn't exist */
{
gx_device *tdev = bdev->target;
int code =
(tdev && bdev->forward_open_close ? gs_opendevice(tdev) : 0);
bbox_copy_params(bdev, true);
return code;
}
}
int bbox_fillpage(gx_device *dev, gs_imager_state * pis, gx_device_color *pdevc)
{
/* Call the target's proc, but don't account the size. */
gx_device_bbox *const bdev = (gx_device_bbox *) dev;
gx_device *tdev = bdev->target;
BBOX_INIT_BOX(bdev);
if (tdev == NULL)
return 0;
return dev_proc(tdev, fillpage)(tdev, pis, pdevc);
}
/* from PageBoundingBox. */
static int
bbox_put_params(gx_device * dev, gs_param_list * plist)
{
gx_device_bbox *const bdev = (gx_device_bbox *) dev;
int code;
int ecode = 0;
bool white_is_opaque = bdev->white_is_opaque;
gs_param_name param_name;
gs_param_float_array bba;
code = param_read_float_array(plist, (param_name = "PageBoundingBox"),
&bba);
switch (code) {
case 0:
if (bba.size != 4) {
ecode = gs_note_error(gs_error_rangecheck);
goto e;
}
break;
default:
ecode = code;
e:param_signal_error(plist, param_name, ecode);
case 1:
bba.data = 0;
}
switch (code = param_read_bool(plist, (param_name = "WhiteIsOpaque"), &white_is_opaque)) {
default:
ecode = code;
param_signal_error(plist, param_name, ecode);
case 0:
case 1:
break;
}
code = gx_forward_put_params(dev, plist);
if (ecode < 0)
code = ecode;
if (code >= 0) {
if( bba.data != 0) {
BBOX_INIT_BOX(bdev);
BBOX_ADD_RECT(bdev, float2fixed(bba.data[0]), float2fixed(bba.data[1]),
float2fixed(bba.data[2]), float2fixed(bba.data[3]));
}
bdev->white_is_opaque = white_is_opaque;
}
bbox_copy_params(bdev, bdev->is_open);
return code;
}
