Exemple #1
0
/* Return 0 if we used the default implementation, 1 if not. */
int
gdev_vector_end_image(gx_device_vector * vdev,
         gdev_vector_image_enum_t * pie, bool draw_last, gx_color_index pad)
{
    int code;

    if (pie->default_info) {
        code = gx_default_end_image((gx_device *) vdev, pie->default_info,
                                    draw_last);
        if (code >= 0)
            code = 0;
    } else {			/* Fill out to the full image height. */
        if (pie->y < pie->height && pad != gx_no_color_index) {
            uint bytes_per_row = (pie->bits_per_row + 7) >> 3;
            byte *row = gs_alloc_bytes(pie->memory, bytes_per_row,
                                       "gdev_vector_end_image(fill)");

            if (row == 0)
                return_error(gs_error_VMerror);
/****** FILL VALUE IS WRONG ******/
            memset(row, (byte) pad, bytes_per_row);
            for (; pie->y < pie->height; pie->y++)
                gx_image_data((gx_image_enum_common_t *) pie,
                              (const byte **)&row, 0,
                              bytes_per_row, 1);
            gs_free_object(pie->memory, row,
                           "gdev_vector_end_image(fill)");
        }
        code = 1;
    }
Exemple #2
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;
}