コード例 #1
0
ファイル: pxgstate.c プロジェクト: ststeiger/ghostsvg
/* Note that this takes a px_state_t, not a px_gstate_t. */
int
px_initgraphics(px_state_t *pxs)
{	gs_state *pgs = pxs->pgs;

	px_gstate_reset(pxs->pxgs);
	gs_initgraphics(pgs);

	gs_setfilladjust(pgs, 0.5, 0.5);

	{ gs_point inch;
	  float dpi;

	  gs_dtransform(pgs, 72.0, 0.0, &inch);
	  dpi = fabs(inch.x) + fabs(inch.y);

	  /* Stroke adjustment leads to anomalies at high resolutions. */
	  if ( dpi >= 150 )
	    gs_setstrokeadjust(pgs, false);

	  /* We need the H-P interpretation of zero-length lines */
	  /* and of using bevel joins for the segments of flattened curves. */
	  gs_setdotlength(pgs, 72.0 / 300, true);
	}
	/* we always clamp coordinates hp does not seem to report
           limit checks in paths */
	gs_setlimitclamp(pgs, true);
	return 0;
}
コード例 #2
0
/* <adjust.x> <adjust.y> .setfilladjust2 - */
static int
zsetfilladjust2(i_ctx_t *i_ctx_p)
{
    os_ptr op = osp;
    double adjust[2];
    int code = num_params(op, 2, adjust);

    if (code < 0)
	return code;
    code = gs_setfilladjust(igs, adjust[0], adjust[1]);
    if (code < 0)
	return code;
    pop(2);
    return 0;
}
コード例 #3
0
ファイル: gslib.c プロジェクト: BorodaZizitopa/ghostscript
static int
test10(gs_state * pgs, gs_memory_t * mem)
{
    gs_c_param_list list;
    gs_param_string nstr, OFstr;
    gs_param_float_array PSa;
    gs_param_float_array HWRa;
    gs_param_int_array HWSa;
    int HWSize[2];
    float HWResolution[2], PageSize[2];
    long MaxBitmap;
    int code;
    gx_device *dev = gs_currentdevice(pgs);
    float xlate_x, xlate_y;
    gs_rect cliprect;

    gs_c_param_list_write(&list, mem);
    code = gs_getdeviceparams(dev, (gs_param_list *) & list);
    if (code < 0) {
        lprintf1("getdeviceparams failed! code = %d\n", code);
        gs_abort(mem);
    }
    gs_c_param_list_read(&list);
    code = param_read_string((gs_param_list *) & list, "Name", &nstr);
    if (code < 0) {
        lprintf1("reading Name failed! code = %d\n", code);
        gs_abort(mem);
    }
    code = param_read_int_array((gs_param_list *) & list,
                                "HWSize", &HWSa);
    if (code < 0) {
        lprintf1("reading HWSize failed! code = %d\n", code);
        gs_abort(mem);
    }
    emprintf3(mem, "HWSize[%d] = [ %d, %d ]\n", HWSa.size,
              HWSa.data[0], HWSa.data[1]);
    code = param_read_float_array((gs_param_list *) & list,
                                  "HWResolution", &HWRa);
    if (code < 0) {
        lprintf1("reading Resolution failed! code = %d\n", code);
        gs_abort(mem);
    }
    emprintf3(mem, "HWResolution[%d] = [ %f, %f ]\n", HWRa.size,
              HWRa.data[0], HWRa.data[1]);
    code = param_read_float_array((gs_param_list *) & list,
                                  "PageSize", &PSa);
    if (code < 0) {
        lprintf1("reading PageSize failed! code = %d\n", code);
        gs_abort(mem);
    }
    emprintf3(mem, "PageSize[%d] = [ %f, %f ]\n", PSa.size,
              PSa.data[0], PSa.data[1]);
    code = param_read_long((gs_param_list *) & list,
                           "MaxBitmap", &MaxBitmap);
    if (code < 0) {
        lprintf1("reading MaxBitmap failed! code = %d\n", code);
        gs_abort(mem);
    }
    emprintf1(mem, "MaxBitmap = %ld\n", MaxBitmap);
    /* Switch to param list functions to "write" */
    gs_c_param_list_write(&list, mem);
    /* Always set the PageSize. */
    PageSize[0] = 72.0 * ypage_wid;
    PageSize[1] = 72.0 * xpage_len;
    PSa.data = PageSize;
    code = param_write_float_array((gs_param_list *) & list,
                                   "PageSize", &PSa);
    if (nstr.data[0] != 'v') {
        /* Set the OutputFile string file name */
        OFstr.persistent = false;
        OFstr.data = outfile;
        OFstr.size = strlen(outfile);
        code = param_write_string((gs_param_list *) & list,
                                  "OutputFile", &OFstr);
        if (code < 0) {
            lprintf1("setting OutputFile name failed, code=%d\n",
                     code);
            gs_abort(mem);
        }
        if (nstr.data[0] == 'x') {
            HWResolution[0] = HWResolution[1] = 72.0;
        } else {
            HWResolution[0] = HWResolution[1] = 360.0;
        }
        HWRa.data = HWResolution;
        HWSize[0] = (int)(HWResolution[0] * ypage_wid);
        HWSize[1] = (int)(HWResolution[1] * xpage_len);
        emprintf3(mem, "\tHWSize = [%d,%d], HWResolution = %f dpi\n",
                  HWSize[0], HWSize[1], HWResolution[0]);
        HWSa.data = HWSize;
        code = param_write_float_array((gs_param_list *) & list,
                                       "HWResolution", &HWRa);
        code = param_write_int_array((gs_param_list *) & list,
                                     "HWSize", &HWSa);
        MaxBitmap = 1000000L;
        code = param_write_long((gs_param_list *) & list,
                                "MaxBitmap", &MaxBitmap);
    }
    gs_c_param_list_read(&list);
    code = gs_putdeviceparams(dev, (gs_param_list *) & list);
    emprintf1(mem, "putdeviceparams: code=%d\n", code);
    gs_c_param_list_release(&list);

    /* note: initgraphics no longer resets the color or color space */
    gs_erasepage(pgs);
    gs_initgraphics(pgs);
    {
        gs_color_space *cs = gs_cspace_new_DeviceGray(mem);
        gs_setcolorspace(pgs, cs);
        gs_setcolorspace(pgs, cs);
        gs_decrement(cs, "test10 DeviceGray");
    }

    gs_clippath(pgs);
    gs_pathbbox(pgs, &cliprect);
    emprintf4(mem, "\tcliprect = [[%g,%g],[%g,%g]]\n",
              cliprect.p.x, cliprect.p.y, cliprect.q.x, cliprect.q.y);
    gs_newpath(pgs);

    switch (((rotate_value + 270) / 90) & 3) {
        default:
        case 0:		/* 0 = 360 degrees in PS == 90 degrees in printer */
            xlate_x = cliprect.p.x;
            xlate_y = cliprect.p.y;
            break;
        case 1:		/* 90 degrees in PS = 180 degrees printer */
            xlate_x = cliprect.q.x;
            xlate_y = cliprect.p.y;
            break;
        case 2:		/* 180 degrees in PS == 270 degrees in printer */
            xlate_x = cliprect.q.x;
            xlate_y = cliprect.q.y;
            break;
        case 3:		/* 270 degrees in PS == 0 degrees in printer */
            xlate_x = cliprect.p.x;
            xlate_y = cliprect.q.y;
            break;
    }
    emprintf2(mem, "translate origin to [ %f, %f ]\n", xlate_x, xlate_y);
    gs_translate(pgs, xlate_x, xlate_y);

    /* further move (before rotate) by user requested amount */
    gs_translate(pgs, 72.0 * (float)xmove_origin, 72.0 * (float)ymove_origin);

    gs_rotate(pgs, (float)rotate_value + 270.0);
    gs_scale(pgs, scale_x * 72.0 / 2032.0,
             scale_y * 72.0 / 2032.0);
    gs_setlinecap(pgs, gs_cap_butt);
    gs_setlinejoin(pgs, gs_join_bevel);
    gs_setfilladjust(pgs, 0.0, 0.0);

    capture_exec(pgs);
    return 0;
}