/* Get the device parameters. */
int
gs_get_device_or_hw_params(gx_device * orig_dev, gs_param_list * plist,
bool is_hardware)
{
/*
* We must be prepared to copy the device if it is the read-only
* prototype.
*/
gx_device *dev;
int code;
if (orig_dev->memory)
dev = orig_dev;
else {
code = gs_copydevice(&dev, orig_dev, plist->memory);
if (code < 0)
return code;
}
gx_device_set_procs(dev);
fill_dev_proc(dev, get_params, gx_default_get_params);
fill_dev_proc(dev, get_page_device, gx_default_get_page_device);
fill_dev_proc(dev, get_alpha_bits, gx_default_get_alpha_bits);
code = (is_hardware ?
(*dev_proc(dev, get_hardware_params)) (dev, plist) :
(*dev_proc(dev, get_params)) (dev, plist));
if (dev != orig_dev)
gx_device_retain(dev, false); /* frees the copy */
return code;
}
/* Forward the color mapping procedures from a device to its target. */
void
gx_device_forward_color_procs(gx_device_forward * dev)
{
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, get_profile, gx_forward_get_profile);
/* Not strictly a color proc, but may affect color encoding */
fill_dev_proc(dev, set_graphics_type_tag, gx_forward_set_graphics_type_tag);
fill_dev_proc(dev, dev_spec_op, gx_forward_dev_spec_op);
}
/* Get the color map for a device. Return true if there is one. */
static bool
param_HWColorMap(gx_device * dev, byte * palette /* 3 << 8 */ )
{
int depth = dev->color_info.depth;
int colors = dev->color_info.num_components;
if (depth <= 8 && colors <= 3) {
byte *p = palette;
gx_color_value rgb[3];
gx_color_index i;
fill_dev_proc(dev, map_color_rgb, gx_default_map_color_rgb);
for (i = 0; (i >> depth) == 0; i++) {
int j;
if ((*dev_proc(dev, map_color_rgb)) (dev, i, rgb) < 0)
return false;
for (j = 0; j < colors; j++)
*p++ = gx_color_value_to_byte(rgb[j]);
}
return true;
}
/* drawing operations. */
void
gx_device_forward_fill_in_procs(register gx_device_forward * dev)
{
gx_device_set_procs((gx_device *) dev);
/* NOT open_device */
fill_dev_proc(dev, get_initial_matrix, gx_forward_get_initial_matrix);
fill_dev_proc(dev, sync_output, gx_forward_sync_output);
fill_dev_proc(dev, output_page, gx_forward_output_page);
/* NOT close_device */
fill_dev_proc(dev, map_rgb_color, gx_forward_map_rgb_color);
fill_dev_proc(dev, map_color_rgb, gx_forward_map_color_rgb);
/* NOT fill_rectangle */
/* NOT tile_rectangle */
/* NOT copy_mono */
/* NOT copy_color */
/* NOT draw_line (OBSOLETE) */
fill_dev_proc(dev, get_bits, gx_forward_get_bits);
fill_dev_proc(dev, get_params, gx_forward_get_params);
fill_dev_proc(dev, put_params, gx_forward_put_params);
fill_dev_proc(dev, map_cmyk_color, gx_forward_map_cmyk_color);
fill_dev_proc(dev, get_xfont_procs, gx_forward_get_xfont_procs);
fill_dev_proc(dev, get_xfont_device, gx_forward_get_xfont_device);
fill_dev_proc(dev, map_rgb_alpha_color, gx_forward_map_rgb_alpha_color);
fill_dev_proc(dev, get_page_device, gx_forward_get_page_device);
/* NOT get_alpha_bits (OBSOLETE) */
/* NOT copy_alpha */
fill_dev_proc(dev, get_band, gx_forward_get_band);
fill_dev_proc(dev, copy_rop, gx_forward_copy_rop);
fill_dev_proc(dev, fill_path, gx_forward_fill_path);
fill_dev_proc(dev, stroke_path, gx_forward_stroke_path);
fill_dev_proc(dev, fill_mask, gx_forward_fill_mask);
fill_dev_proc(dev, fill_trapezoid, gx_forward_fill_trapezoid);
fill_dev_proc(dev, fill_parallelogram, gx_forward_fill_parallelogram);
fill_dev_proc(dev, fill_triangle, gx_forward_fill_triangle);
fill_dev_proc(dev, draw_thin_line, gx_forward_draw_thin_line);
fill_dev_proc(dev, begin_image, gx_forward_begin_image);
/* NOT image_data (OBSOLETE) */
/* NOT end_image (OBSOLETE) */
/* NOT strip_tile_rectangle */
fill_dev_proc(dev, strip_copy_rop, gx_forward_strip_copy_rop);
fill_dev_proc(dev, get_clipping_box, gx_forward_get_clipping_box);
fill_dev_proc(dev, begin_typed_image, gx_forward_begin_typed_image);
fill_dev_proc(dev, get_bits_rectangle, gx_forward_get_bits_rectangle);
fill_dev_proc(dev, map_color_rgb_alpha, gx_forward_map_color_rgb_alpha);
fill_dev_proc(dev, create_compositor, gx_no_create_compositor);
fill_dev_proc(dev, get_hardware_params, gx_forward_get_hardware_params);
fill_dev_proc(dev, text_begin, gx_forward_text_begin);
fill_dev_proc(dev, get_color_mapping_procs, gx_forward_get_color_mapping_procs);
fill_dev_proc(dev, get_color_comp_index, gx_forward_get_color_comp_index);
fill_dev_proc(dev, encode_color, gx_forward_encode_color);
fill_dev_proc(dev, decode_color, gx_forward_decode_color);
fill_dev_proc(dev, pattern_manage, gx_forward_pattern_manage);
fill_dev_proc(dev, fill_rectangle_hl_color, gx_forward_fill_rectangle_hl_color);
fill_dev_proc(dev, include_color_space, gx_forward_include_color_space);
fill_dev_proc(dev, fill_linear_color_scanline, gx_forward_fill_linear_color_scanline);
fill_dev_proc(dev, fill_linear_color_trapezoid, gx_forward_fill_linear_color_trapezoid);
fill_dev_proc(dev, fill_linear_color_triangle, gx_forward_fill_linear_color_triangle);
fill_dev_proc(dev, update_spot_equivalent_colors, gx_forward_update_spot_equivalent_colors);
fill_dev_proc(dev, ret_devn_params, gx_forward_ret_devn_params);
fill_dev_proc(dev, fillpage, gx_forward_fillpage);
gx_device_fill_in_procs((gx_device *) dev);
}
