sh-ghostscript/gdevifno.i.1

   1 typedef struct gs_memory_struct_type_s gs_memory_struct_type_t;
   2 typedef struct gs_matrix_s gs_matrix;
   3 typedef unsigned long long gx_color_index_data;
   4 typedef gx_color_index_data gx_color_index;
   5 typedef unsigned short gx_color_value;
   6 typedef struct gx_device_s gx_device;
   7 typedef struct gs_param_list_s gs_param_list;
   8 typedef struct gx_device_anti_alias_info_s
   9 {
  10   int text_bits;
  11   int graphics_bits;
  12 }
  13 gx_device_anti_alias_info;
  14 typedef enum
  15 {
  16   GX_CINFO_UNKNOWN_SEP_LIN = -1, GX_CINFO_SEP_LIN_NONE = 0, GX_CINFO_SEP_LIN
  17 }
  18 gx_color_enc_sep_lin_t;
  19 typedef struct gx_device_color_info_s
  20 {
  21   int max_components;
  22   gx_device_anti_alias_info anti_alias;
  23   gx_color_enc_sep_lin_t separable_and_linear;
  24   unsigned char comp_shift[(8 * 8)];
  25   unsigned char comp_bits[(8 * 8)];
  26   int black_component;
  27 }
  28 gx_device_color_info;
  29 typedef struct gx_device_procs_s gx_device_procs;
  30 typedef struct gs_devn_params_s gs_devn_params;
  31 struct gx_device_procs_s
  32 {
  33   int (*open_device) (gx_device * dev);
  34   void (*get_initial_matrix) (gx_device * dev, gs_matrix * pmat);
  35   int (*sync_output) (gx_device * dev);
  36   int (*output_page) (gx_device * dev, int num_copies, int flush);
  37   int (*close_device) (gx_device * dev);
  38     gx_color_index (*map_rgb_color) (gx_device * dev,
  39                                      const gx_color_value cv[]);
  40   int (*map_color_rgb) (gx_device * dev, gx_color_index color,
  41                         gx_color_value rgb[3]);
  42   gs_devn_params *(*ret_devn_params) (gx_device * dev);
  43 };
  44 gx_device *gx_page_device_get_page_device (gx_device * dev);
  45 typedef struct gx_device_printer_s gx_device_printer;
  46 struct gx_device_printer_s
  47 {
  48 };
  49 extern const gs_memory_struct_type_t st_device_printer;
  50 int gdev_prn_output_page (gx_device * dev, int num_copies, int flush);
  51 int gdev_prn_get_params (gx_device * dev, gs_param_list * plist);
  52 int gdev_prn_put_params (gx_device * dev, gs_param_list * plist);
  53 static gx_color_index inferno_rgb2cmap (gx_device * dev,
  54                                         const gx_color_value cv[]);
  55 static int inferno_cmap2rgb (gx_device * dev, gx_color_index color,
  56                              gx_color_value rgb[3]);
  57 static int inferno_open (gx_device * dev);
  58 static int inferno_close (gx_device * dev);
  59 typedef struct inferno_device_s
  60 {
  61   int retained;
  62   int is_open;
  63   gx_device_color_info color_info;
  64   gx_device_procs orig_procs;
  65   int ldepth;
  66   int cmapcall;
  67   int nbits;
  68 }
  69 inferno_device;
  70 static const gx_device_procs inferno_procs = {
  71   inferno_open, ((void *) 0), ((void *) 0), gdev_prn_output_page,
  72     inferno_close, inferno_rgb2cmap, inferno_cmap2rgb, ((void *) 0),
  73     ((void *) 0), ((void *) 0), ((void *) 0), ((void *) 0), ((void *) 0),
  74     gdev_prn_get_params, gdev_prn_put_params, ((void *) 0), ((void *) 0),
  75     ((void *) 0), ((void *) 0), gx_page_device_get_page_device, ((void *) 0),
  76     ((void *) 0), ((void *) 0), ((void *) 0), ((void *) 0), ((void *) 0),
  77     ((void *) 0), ((void *) 0), ((void *) 0), ((void *) 0), ((void *) 0),
  78     ((void *) 0), ((void *) 0), ((void *) 0), ((void *) 0), ((void *) 0),
  79     ((void *) 0), ((void *) 0), ((void *) 0), ((void *) 0), ((void *) 0),
  80     ((void *) 0), ((void *) 0), ((void *) 0)
  81 };
  82 inferno_device gs_inferno_device = {
  83   sizeof (gx_device_printer), &inferno_procs, "inferno", 0,
  84     &st_device_printer, 0, 0, {
  85                                0}
  86 };
  87 static gx_color_index
  88 inferno_rgb2cmap (gx_device * dev, const gx_color_value cv[])
  89 {
  90   inferno_device *bdev = (inferno_device *) dev;
  91   int nbits = bdev->nbits;
  92   int mask = (1 << nbits) - 1;
  93   gx_color_value red, green, blue;
  94   if (red == green && green == blue && red != 0 && red != mask)
  95     {
  96     }
  97   else
  98     bdev->ldepth = 3;
  99   bdev->cmapcall = 1;
 100   return ((((blue << 4) | green) << 4) | red);
 101 }