Esempi in C++ (Cpp) per pdc_check_number_zero

Esempio n. 1

File: p_gstate.c Progetto: xharbour/core

void
pdf__scale(PDF *p, pdc_scalar sx, pdc_scalar sy)
{
    pdc_matrix m;

    pdc_check_number_zero(p->pdc, "sx", sx);
    pdc_check_number_zero(p->pdc, "sy", sy);

    if (sx == 1 && sy == 1)
	return;

    pdc_scale_matrix(sx, sy, &m);

    pdf_concat_raw(p, &m);
}

Esempio n. 2

File: p_pattern.c Progetto: pottootje1982/singalong

/* Start a new pattern definition. */
int
pdf__begin_pattern(
    PDF *p,
    pdc_scalar width,
    pdc_scalar height,
    pdc_scalar xstep,
    pdc_scalar ystep,
    int painttype)
{
    int slot = -1;

    pdc_check_number_limits(p->pdc, "width", width,
                            PDC_FLOAT_PREC, PDC_FLOAT_MAX);
    pdc_check_number_limits(p->pdc, "height", height,
                            PDC_FLOAT_PREC, PDC_FLOAT_MAX);

    pdc_check_number_zero(p->pdc, "xstep", xstep);
    pdc_check_number_zero(p->pdc, "ystep", ystep);

    if (painttype != 1 && painttype != 2)
	pdc_error(p->pdc, PDC_E_ILLARG_INT,
	    "painttype", pdc_errprintf(p->pdc, "%d", painttype), 0, 0);

    if (p->pattern_number == p->pattern_capacity)
	pdf_grow_pattern(p);

    pdf_pg_suspend(p);
    PDF_SET_STATE(p, pdf_state_pattern);

    p->pattern[p->pattern_number].obj_id = pdc_begin_obj(p->out, PDC_NEW_ID);
    p->pattern[p->pattern_number].painttype = painttype;

    pdc_begin_dict(p->out);				/* pattern dict*/

    p->res_id = pdc_alloc_id(p->out);

    pdc_puts(p->out, "/PatternType 1\n");		/* tiling pattern */

    /* colored or uncolored pattern */
    pdc_printf(p->out, "/PaintType %d\n", painttype);
    pdc_puts(p->out, "/TilingType 1\n");		/* constant spacing */

    pdc_printf(p->out, "/BBox[0 0 %f %f]\n", width, height);

    pdc_printf(p->out, "/XStep %f\n", xstep);
    pdc_printf(p->out, "/YStep %f\n", ystep);

    pdc_objref(p->out, "/Resources", p->res_id);

    p->length_id = pdc_alloc_id(p->out);
    pdc_objref(p->out, "/Length", p->length_id);

    if (pdc_get_compresslevel(p->out))
	pdc_puts(p->out, "/Filter/FlateDecode\n");

    pdc_end_dict(p->out);				/* pattern dict*/
    pdc_begin_pdfstream(p->out);

    slot = p->pattern_number;
    p->pattern_number++;

    /* top-down y-coordinates */
    pdf_set_topdownsystem(p, height);

    /* set color differing from PDF default */
    pdf_set_default_color(p, pdc_false);

    if (!p->pdc->smokerun)
        pdc_logg_cond(p->pdc, 1, trc_api, "[Begin pattern %d]\n", slot);

    return slot;
}