/* Initialize a bounding box device. */
void
gx_device_bbox_init(gx_device_bbox * dev, gx_device * target, gs_memory_t *mem)
{
gx_device_init((gx_device *) dev, (const gx_device *)&gs_bbox_device,
(target ? target->memory : mem), true);
if (target) {
gx_device_forward_fill_in_procs((gx_device_forward *) dev);
set_dev_proc(dev, get_initial_matrix, gx_forward_get_initial_matrix);
set_dev_proc(dev, map_rgb_color, gx_forward_map_rgb_color);
set_dev_proc(dev, map_color_rgb, gx_forward_map_color_rgb);
set_dev_proc(dev, map_cmyk_color, gx_forward_map_cmyk_color);
set_dev_proc(dev, map_rgb_alpha_color, gx_forward_map_rgb_alpha_color);
set_dev_proc(dev, get_color_mapping_procs, gx_forward_get_color_mapping_procs);
set_dev_proc(dev, get_color_comp_index, gx_forward_get_color_comp_index);
set_dev_proc(dev, encode_color, gx_forward_encode_color);
set_dev_proc(dev, decode_color, gx_forward_decode_color);
set_dev_proc(dev, dev_spec_op, gx_forward_dev_spec_op);
set_dev_proc(dev, fill_rectangle_hl_color, gx_forward_fill_rectangle_hl_color);
set_dev_proc(dev, include_color_space, gx_forward_include_color_space);
set_dev_proc(dev, update_spot_equivalent_colors,
gx_forward_update_spot_equivalent_colors);
set_dev_proc(dev, get_page_device, gx_forward_get_page_device);
set_dev_proc(dev, ret_devn_params, gx_forward_ret_devn_params);
gx_device_set_target((gx_device_forward *)dev, target);
} else {
gx_device_fill_in_procs((gx_device *)dev);
gx_device_forward_fill_in_procs((gx_device_forward *) dev);
}
dev->box_procs = box_procs_default;
dev->box_proc_data = dev;
bbox_copy_params(dev, false);
dev->free_standing = false; /* being used as a component */
}
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;
}
}
/* 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;
}