Exemplos de pdc_skew_matrix em C++ (Cpp)

Exemplo n.º 1

Arquivo: p_gstate.c Projeto: AmirAbrams/haiku

PDFLIB_API void PDFLIB_CALL
PDF_skew(PDF *p, float alpha, float beta)
{
    static const char fn[] = "PDF_skew";
    pdc_matrix m;

    if (!pdf_enter_api(p, fn, pdf_state_content, "(p[%p], %g, %g)\n",
	(void *) p, alpha, beta))
	return;

    if (alpha == (float) 0 && beta == (float) 0)
	return;

    if (alpha > (float) 360 || alpha < (float) -360 ||
	alpha == (float) -90 || alpha == (float) -270 ||
	alpha == (float) 90 || alpha == (float) 270) {
	pdc_error(p->pdc, PDC_E_ILLARG_FLOAT,
	    "alpha", pdc_errprintf(p->pdc, "%f", alpha), 0, 0);
    }

    if (beta > (float) 360 || beta < (float) -360 ||
	beta == (float) -90 || beta == (float) -270 ||
	beta == (float) 90 || beta == (float) 270) {
	pdc_error(p->pdc, PDC_E_ILLARG_FLOAT,
	    "beta", pdc_errprintf(p->pdc, "%f", beta), 0, 0);
    }

    pdc_skew_matrix(p->ydirection * alpha, p->ydirection * beta, &m);

    pdf_concat_raw(p, &m);
}

Exemplo n.º 2

Arquivo: p_gstate.c Projeto: xharbour/core

void
pdf__skew(PDF *p, pdc_scalar alpha, pdc_scalar beta)
{
    pdc_matrix m;

    pdc_check_number(p->pdc, "alpha", alpha);
    pdc_check_number(p->pdc, "beta", beta);

    if (alpha == 0 && beta == 0)
	return;

    if (alpha > 360 || alpha < -360 ||
	alpha == -90 || alpha == -270 ||
	alpha == 90 || alpha == 270)
    {
	pdc_error(p->pdc, PDC_E_ILLARG_FLOAT,
	    "alpha", pdc_errprintf(p->pdc, "%f", alpha), 0, 0);
    }

    if (beta > 360 || beta < -360 ||
	beta == -90 || beta == -270 ||
	beta == 90 || beta == 270)
    {
	pdc_error(p->pdc, PDC_E_ILLARG_FLOAT,
	    "beta", pdc_errprintf(p->pdc, "%f", beta), 0, 0);
    }

    pdc_skew_matrix(p->ydirection * alpha, p->ydirection * beta, &m);

    pdf_concat_raw(p, &m);
}