Esempio n. 1
0
/* Finalize contents of a DeviceN color space. */
static void
gx_final_DeviceN(const gs_color_space * pcs)
{
    gs_device_n_attributes * pnextatt, * patt = pcs->params.device_n.colorants;

    rc_decrement_only(pcs->params.device_n.map, "gx_adjust_DeviceN");
    while (patt != NULL) {
        pnextatt = patt->next;
        rc_decrement_cs(patt->cspace, "gx_final_DeviceN");
        rc_decrement(patt, "gx_adjust_DeviceN");
        patt = pnextatt;
    }
}
Esempio n. 2
0
/* Install a DeviceN color space. */
static int
gx_install_DeviceN(gs_color_space * pcs, gs_state * pgs)
{
    int code;
    code = check_DeviceN_component_names(pcs, pgs);
    if (code < 0)
       return code;
    /* See if we have an ICC profile that we can associate with
       this DeviceN color space */
    if (pgs->icc_manager->device_n != NULL) {
        /* An nclr profile is in the manager.  Grab one that matches. */
        cmm_profile_t *profdata = gsicc_finddevicen(pcs, pgs->icc_manager);
        if (profdata != NULL)
            rc_increment(profdata);
        if (pcs->cmm_icc_profile_data != NULL)
            rc_decrement(pcs->cmm_icc_profile_data, "gx_install_DeviceN");
        pcs->cmm_icc_profile_data = profdata;
    }
    /* {csrc} was pgs->color_space->params.device_n.use_alt_cspace */
    ((gs_color_space *)pcs)->params.device_n.use_alt_cspace =
        using_alt_color_space(pgs);
    if (pcs->params.device_n.use_alt_cspace && pcs->cmm_icc_profile_data == NULL ) {
        /* No nclr ICC profile */
        code = (pcs->base_space->type->install_cspace)
            (pcs->base_space, pgs);
    } else if (pcs->params.device_n.use_alt_cspace) {
        gs_color_space *nclr_pcs;
        /* Need to install the nclr cspace */
        code = gs_cspace_build_ICC(&nclr_pcs, NULL, pgs->memory);
        nclr_pcs->cmm_icc_profile_data = pcs->cmm_icc_profile_data;
        rc_increment(pcs->cmm_icc_profile_data);
        rc_increment_cs(nclr_pcs); /* Suspicious - RJW */
        rc_decrement_cs(pcs->base_space, "gx_install_DeviceN");
        pcs->base_space = nclr_pcs;
    }
    /*
     * Give the device an opportunity to capture equivalent colors for any
     * spot colors which might be present in the color space.
     */
    if (code >= 0) {
        if (dev_proc(pgs->device, update_spot_equivalent_colors))
            code = dev_proc(pgs->device, update_spot_equivalent_colors)
                                                        (pgs->device, pgs);
    }
    return code;
}
Esempio n. 3
0
/* shfill */
int
gs_shfill(gs_gstate * pgs, const gs_shading_t * psh)
{
    /*
     * shfill is equivalent to filling the current clipping path (or, if
     * clipping, its bounding box) with the shading, disregarding the
     * Background if any.  In order to produce reasonable high-level output,
     * we must implement this by calling gs_fill_path.
     */
    gs_pattern2_template_t pat;
    gs_matrix imat;
    gs_client_color cc;
    gs_color_space *pcs;
    gx_device_color devc;
    int code;

    /* Must install the shading color space
       to allow check_DeviceN_component_names initialize
       the color component map.
     */
    /* Don't bother with saving the old color space, color,
       and cie_joint_caches,
       because .shfill is always called within gsave-grestore -
       see gs/lib . */
    code = gs_setcolorspace(pgs, psh->params.ColorSpace);
    if (code < 0)
        return 0;
    if (psh->params.cie_joint_caches != NULL) {
        pgs->cie_joint_caches = psh->params.cie_joint_caches;
        rc_increment(pgs->cie_joint_caches);
    }
    gs_pattern2_init(&pat);
    pat.Shading = psh;
    gs_make_identity(&imat);
    code = gs_make_pattern(&cc, (gs_pattern_template_t *)&pat, &imat, pgs,
                           pgs->memory);
    if (code < 0)
        return code;
    code = gs_pattern2_set_shfill(&cc);
    if (code < 0)
        return code;
    pcs = gs_cspace_alloc(pgs->memory, &gs_color_space_type_Pattern);
    if (pcs == NULL)
        return_error(gs_error_VMerror);

    pcs->params.pattern.has_base_space = false;
    code = pcs->type->remap_color(&cc, pcs, &devc, pgs,
                                  pgs->device, gs_color_select_texture);
    if (code >= 0) {
        gx_device *dev = pgs->device;
        bool need_path = !dev_proc(dev, dev_spec_op)(dev,
                             gxdso_pattern_shfill_doesnt_need_path, NULL, 0);

        if (need_path) {
            gx_path cpath;

            gx_path_init_local(&cpath, pgs->memory);
            code = gx_cpath_to_path(pgs->clip_path, &cpath);
            if (code >= 0)
                code = gx_fill_path(&cpath, &devc, pgs, gx_rule_winding_number,
                                    pgs->fill_adjust.x, pgs->fill_adjust.y);
            gx_path_free(&cpath, "gs_shfill");
        } else
            code = gx_fill_path(NULL, &devc, pgs, gx_rule_winding_number,
                                pgs->fill_adjust.x, pgs->fill_adjust.y);
    }
    rc_decrement_cs(pcs, "gs_shfill");
    gs_pattern_reference(&cc, -1);
    return code;
}