示例#1
0
static int
test1(gs_state * pgs, gs_memory_t * mem)
{
    int n;

    gs_scale(pgs, 72.0, 72.0);
    gs_translate(pgs, 4.25, 5.5);
    gs_scale(pgs, 4.0, 4.0);
    gs_newpath(pgs);
    for (n = 200; --n >= 0;) {
        int j;

#define rf() (rand() / (1.0 * 0x10000 * 0x8000))
        double r = rf(), g = rf(), b = rf();
        double x0 = rf(), y0 = rf(), x1 = rf(), y1 = rf(), x2 = rf(), y2 = rf();

        gs_setrgbcolor(pgs, r, g, b);
        for (j = 0; j < 6; j++) {
            gs_gsave(pgs);
            gs_rotate(pgs, 60.0 * j);
            gs_moveto(pgs, x0, y0);
            gs_lineto(pgs, x1, y1);
            gs_lineto(pgs, x2, y2);
            gs_fill(pgs);
            gs_grestore(pgs);
        }
    }
#undef mem
    return 0;
}
示例#2
0
/* <angle> <matrix> rotate <matrix> */
static int
zrotate(i_ctx_t *i_ctx_p)
{
    os_ptr op = osp;
    int code;
    double ang;

    if ((code = real_param(op, &ang)) >= 0) {
        code = gs_rotate(igs, ang);
        if (code < 0)
            return code;
    } else {			/* matrix operand */
        gs_matrix mat;

        /* The num_params failure might be a stack underflow. */
        check_op(1);
        if ((code = num_params(op - 1, 1, &ang)) < 0 ||
            (code = gs_make_rotation(ang, &mat)) < 0 ||
            (code = write_matrix(op, &mat)) < 0
            ) {			/* Might be a stack underflow. */
            check_op(2);
            return code;
        }
        op[-1] = *op;
    }
    pop(1);
    return code;
}
示例#3
0
文件: plfapi.c 项目: hackqiang/gs
static int
pl_fapi_build_char(gs_show_enum * penum, gs_state * pgs, gs_font * pfont,
                   gs_char chr, gs_glyph glyph)
{
    int code;
    gs_matrix save_ctm;
    gs_font_base *pbfont = (gs_font_base *) pfont;
    pl_font_t *plfont = (pl_font_t *) pfont->client_data;
    gs_fapi_server *I = pbfont->FAPI;

    I->ff.embolden = plfont->bold_fraction;
    I->ff.is_mtx_skipped = plfont->is_xl_format;

    code =
        gs_fapi_do_char(pfont, pgs, (gs_text_enum_t *) penum, NULL, false,
                        NULL, NULL, chr, glyph, 0);

    if (code == gs_error_unknownerror) {
        gs_fapi_font tmp_ff;

        tmp_ff.fapi_set_cache = I->ff.fapi_set_cache;

        /* save the ctm */
        gs_currentmatrix(pgs, &save_ctm);

        /* magic numbers - we don't completelely understand
           the translation magic used by HP.  This provides a
           good approximation */
        gs_translate(pgs, 1.0 / 1.15, -(1.0 - 1.0 / 1.15));
        gs_rotate(pgs, 90);

        I->ff.fapi_set_cache = pl_fapi_set_cache_rotate;

        code =
            gs_fapi_do_char(pfont, pgs, (gs_text_enum_t *) penum, NULL, false,
                            NULL, NULL, chr, glyph, 0);

        I->ff.fapi_set_cache = tmp_ff.fapi_set_cache;

        gs_setmatrix(pgs, &save_ctm);
    }

    I->ff.embolden = 0;

    return (code);
}
示例#4
0
int
pxSetPageRotation(px_args_t *par, px_state_t *pxs)
{	/* Since the Y coordinate of user space is inverted, */
	/* we must negate rotation angles. */
	real angle = -real_value(par->pv[0], 0);
	int code = gs_rotate(pxs->pgs, angle);

	if ( code < 0 )
	  return code;
	/* Post-multiply the text CTM by the rotation matrix. */
	{ gs_matrix rmat;
	  px_gstate_t *pxgs = pxs->pxgs;

	  gs_make_rotation(angle, &rmat);
	  gs_matrix_multiply(&pxgs->text_ctm, &rmat, &pxgs->text_ctm);
	}
	return 0;
}
示例#5
0
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;
}
示例#6
0
static int
test5(gs_state * pgs, gs_memory_t * mem)
{
    gx_device *dev = gs_currentdevice(pgs);
    gx_image_enum_common_t *info;
    gx_image_plane_t planes[5];
    gx_drawing_color dcolor;
    int code;
    static const byte data3[] =
    {
        0x00, 0x44, 0x88, 0xcc,
        0x44, 0x88, 0xcc, 0x00,
        0x88, 0xcc, 0x00, 0x44,
        0xcc, 0x00, 0x44, 0x88
    };
    gs_color_space *gray_cs = gs_cspace_new_DeviceGray(mem);

    /*
     * Neither ImageType 3 nor 4 needs a current color,
     * but some intermediate code assumes it's valid.
     */
    set_nonclient_dev_color(&dcolor, 0);

    /* Scale everything up, and fill the background. */
    {
        gs_matrix mat;

        gs_currentmatrix(pgs, &mat);
        mat.xx = gs_copysign(98.6, mat.xx);
        mat.yy = gs_copysign(98.6, mat.yy);
        mat.tx = floor(mat.tx) + 0.499;
        mat.ty = floor(mat.ty) + 0.499;
        gs_setmatrix(pgs, &mat);
    }
    gs_setrgbcolor(pgs, 1.0, 0.9, 0.9);
    fill_rect1(pgs, 0.25, 0.25, 4.0, 6.0);
    gs_setrgbcolor(pgs, 0.5, 1.0, 0.5);

#if 0
    /* Make things a little more interesting.... */
    gs_translate(pgs, 1.0, 1.0);
    gs_rotate(pgs, 10.0);
    gs_scale(pgs, 1.3, 0.9);
#endif

#define do_image(image, idata)\
  BEGIN\
  code = gx_device_begin_typed_image(dev, (gs_imager_state *)pgs, NULL,\
     (gs_image_common_t *)&image, NULL, &dcolor, NULL, mem, &info);\
  /****** TEST code >= 0 ******/\
  planes[0].data = idata;\
  planes[0].data_x = 0;\
  planes[0].raster = (image.Height * image.BitsPerComponent + 7) >> 3;\
  code = gx_image_plane_data(info, planes, image.Height);\
  /****** TEST code == 1 ******/\
  code = gx_image_end(info, true);\
  /****** TEST code >= 0 ******/\
  END

#define W 4
#define H 4

    /* Test an unmasked image. */
    gs_gsave(pgs);
    {
        gs_image1_t image1;
        void *info1;
        gs_color_space *cs;

        cs = gs_cspace_new_DeviceGray(mem);
        gs_image_t_init(&image1, cs);
        /* image */
        image1.ImageMatrix.xx = W;
        image1.ImageMatrix.yy = -H;
        image1.ImageMatrix.ty = H;
        /* data_image */
        image1.Width = W;
        image1.Height = H;
        image1.BitsPerComponent = 8;

        gs_translate(pgs, 0.5, 4.0);
        code = gx_device_begin_image(dev, (gs_imager_state *) pgs,
                                     &image1, gs_image_format_chunky,
                                     NULL, &dcolor, NULL, mem, &info1);
/****** TEST code >= 0 ******/
        planes[0].data = data3;
        planes[0].data_x = 0;
        planes[0].raster =
            (image1.Height * image1.BitsPerComponent + 7) >> 3;
        /* Use the old image_data API. */
        code = gx_image_data(info1, &planes[0].data, 0,
                             planes[0].raster, image1.Height);
/****** TEST code == 1 ******/
        code = gx_image_end(info1, true);
/****** TEST code >= 0 ******/
        gs_free_object(mem, cs, "colorspace");
    }
    gs_grestore(pgs);

    /* Test an explicitly masked image. */
    gs_gsave(pgs);
    {
        gs_image3_t image3;
        static const byte data3mask[] =
        {
            0x60,
            0x90,
            0x90,
            0x60
        };
        static const byte data3x2mask[] =
        {
            0x66,
            0x99,
            0x99,
            0x66,
            0x66,
            0x99,
            0x99,
            0x66
        };

        gs_image3_t_init(&image3, gray_cs, interleave_scan_lines);
        /* image */
        image3.ImageMatrix.xx = W;
        image3.ImageMatrix.yy = -H;
        image3.ImageMatrix.ty = H;
        /* data_image */
        image3.Width = W;
        image3.Height = H;
        image3.BitsPerComponent = 8;
        /* MaskDict */
        image3.MaskDict.ImageMatrix = image3.ImageMatrix;
        image3.MaskDict.Width = image3.Width;
        image3.MaskDict.Height = image3.Height;

        /* Display with 1-for-1 mask and image. */
        gs_translate(pgs, 0.5, 2.0);
        code = gx_device_begin_typed_image(dev, (gs_imager_state *) pgs,
                                       NULL, (gs_image_common_t *) & image3,
                                           NULL, &dcolor, NULL, mem, &info);
/****** TEST code >= 0 ******/
        planes[0].data = data3mask;
        planes[0].data_x = 0;
        planes[0].raster = (image3.MaskDict.Height + 7) >> 3;
        planes[1].data = data3;
        planes[1].data_x = 0;
        planes[1].raster =
            (image3.Height * image3.BitsPerComponent + 7) >> 3;
        code = gx_image_plane_data(info, planes, image3.Height);
/****** TEST code == 1 ******/
        code = gx_image_end(info, true);
/****** TEST code >= 0 ******/

        /* Display with 2-for-1 mask and image. */
        image3.MaskDict.ImageMatrix.xx *= 2;
        image3.MaskDict.ImageMatrix.yy *= 2;
        image3.MaskDict.ImageMatrix.ty *= 2;
        image3.MaskDict.Width *= 2;
        image3.MaskDict.Height *= 2;
        gs_translate(pgs, 1.5, 0.0);
        code = gx_device_begin_typed_image(dev, (gs_imager_state *) pgs,
                                       NULL, (gs_image_common_t *) & image3,
                                           NULL, &dcolor, NULL, mem, &info);
/****** TEST code >= 0 ******/
        planes[0].data = data3x2mask;
        planes[0].raster = (image3.MaskDict.Width + 7) >> 3;
        {
            int i;

            for (i = 0; i < H; ++i) {
                planes[1].data = 0;
                code = gx_image_plane_data(info, planes, 1);
                planes[0].data += planes[0].raster;
/****** TEST code == 0 ******/
                planes[1].data = data3 + i * planes[1].raster;
                code = gx_image_plane_data(info, planes, 1);
                planes[0].data += planes[0].raster;
/****** TEST code >= 0 ******/
            }
        }
/****** TEST code == 1 ******/
        code = gx_image_end(info, true);
/****** TEST code >= 0 ******/
    }
    gs_grestore(pgs);

    /* Test a chroma-keyed masked image. */
    gs_gsave(pgs);
    {
        gs_image4_t image4;
        const byte *data4 = data3;

        gs_image4_t_init(&image4, gray_cs);
        /* image */
        image4.ImageMatrix.xx = W;
        image4.ImageMatrix.yy = -H;
        image4.ImageMatrix.ty = H;
        /* data_image */
        image4.Width = W;
        image4.Height = H;
        image4.BitsPerComponent = 8;

        /* Display with a single mask color. */
        gs_translate(pgs, 0.5, 0.5);
        image4.MaskColor_is_range = false;
        image4.MaskColor[0] = 0xcc;
        do_image(image4, data4);

        /* Display a second time with a color range. */
        gs_translate(pgs, 1.5, 0.0);
        image4.MaskColor_is_range = true;
        image4.MaskColor[0] = 0x40;
        image4.MaskColor[1] = 0x90;
        do_image(image4, data4);
    }
    gs_grestore(pgs);
    gs_free_object(mem, gray_cs, "test5 gray_cs");
#undef W
#undef H
#undef do_image
    return 0;
}
示例#7
0
文件: plfapi.c 项目: hackqiang/gs
static int
pl_fapi_set_cache(gs_text_enum_t * penum, const gs_font_base * pbfont,
                  const gs_string * char_name, int cid,
                  const double pwidth[2], const gs_rect * pbbox,
                  const double Metrics2_sbw_default[4], bool * imagenow)
{
    gs_state *pgs = (gs_state *) penum->pis;
    float w2[6];
    int code = 0;
    gs_fapi_server *I = pbfont->FAPI;

    if ((penum->text.operation & TEXT_DO_DRAW) && (pbfont->WMode & 1)
        && pwidth[0] == 1.0) {
        gs_rect tmp_pbbox;
        gs_matrix save_ctm;
        const gs_matrix id_ctm = { 1.0, 0.0, 0.0, 1.0, 0.0, 0.0 };
        /* This is kind of messy, but the cache entry has already been calculated
           using the in-force matrix. The problem is that we have to call gs_setcachedevice
           with the in-force matrix, not the rotated one, so we have to recalculate the extents
           to be correct for the rotated glyph.
         */

        /* save the ctm */
        gs_currentmatrix(pgs, &save_ctm);
        gs_setmatrix(pgs, &id_ctm);

        /* magic numbers - we don't completelely understand
           the translation magic used by HP.  This provides a
           good approximation */
        gs_translate(pgs, 1.0 / 1.15, -(1.0 - 1.0 / 1.15));
        gs_rotate(pgs, 90);

        gs_transform(pgs, pbbox->p.x, pbbox->p.y, &tmp_pbbox.p);
        gs_transform(pgs, pbbox->q.x, pbbox->q.y, &tmp_pbbox.q);

        w2[0] = pwidth[0];
        w2[1] = pwidth[1];
        w2[2] = tmp_pbbox.p.x;
        w2[3] = tmp_pbbox.p.y;
        w2[4] = tmp_pbbox.q.x;
        w2[5] = tmp_pbbox.q.y;

        gs_setmatrix(pgs, &save_ctm);
    } else {
        w2[0] = pwidth[0];
        w2[1] = pwidth[1];
        w2[2] = pbbox->p.x;
        w2[3] = pbbox->p.y;
        w2[4] = pbbox->q.x;
        w2[5] = pbbox->q.y;
    }

    if (pbfont->PaintType) {
        double expand = max(1.415,
                            gs_currentmiterlimit(pgs)) *
            gs_currentlinewidth(pgs) / 2;

        w2[2] -= expand;
        w2[3] -= expand;
        w2[4] += expand;
        w2[5] += expand;
    }

    if (I->ff.embolden != 0) {
        code = gs_setcharwidth((gs_show_enum *) penum, pgs, w2[0], w2[1]);
    } else {
        if ((code = gs_setcachedevice((gs_show_enum *) penum, pgs, w2)) < 0) {
            return (code);
        }
    }

    if ((penum->text.operation & TEXT_DO_DRAW) && (pbfont->WMode & 1)
        && pwidth[0] == 1.0) {
        *imagenow = false;
        return (gs_error_unknownerror);
    }

    *imagenow = true;
    return (code);
}