diff options
Diffstat (limited to 'fitz/res_pwg.c')
| -rw-r--r-- | fitz/res_pwg.c | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/fitz/res_pwg.c b/fitz/res_pwg.c deleted file mode 100644 index fe1fcd2e..00000000 --- a/fitz/res_pwg.c +++ /dev/null @@ -1,318 +0,0 @@ -#include "mupdf/fitz.h" - -void -fz_output_pwg_file_header(fz_output *out) -{ - static const unsigned char pwgsig[4] = { 'R', 'a', 'S', '2' }; - - /* Sync word */ - fz_write(out, pwgsig, 4); -} - -static void -output_header(fz_output *out, const fz_pwg_options *pwg, int xres, int yres, int w, int h, int bpp) -{ - static const char zero[64] = { 0 }; - int i; - - /* Page Header: */ - fz_write(out, pwg ? pwg->media_class : zero, 64); - fz_write(out, pwg ? pwg->media_color : zero, 64); - fz_write(out, pwg ? pwg->media_type : zero, 64); - fz_write(out, pwg ? pwg->output_type : zero, 64); - fz_write_int32be(out, pwg ? pwg->advance_distance : 0); - fz_write_int32be(out, pwg ? pwg->advance_media : 0); - fz_write_int32be(out, pwg ? pwg->collate : 0); - fz_write_int32be(out, pwg ? pwg->cut_media : 0); - fz_write_int32be(out, pwg ? pwg->duplex : 0); - fz_write_int32be(out, xres); - fz_write_int32be(out, yres); - /* CUPS format says that 284->300 are supposed to be the bbox of the - * page in points. PWG says 'Reserved'. */ - for (i=284; i < 300; i += 4) - fz_write(out, zero, 4); - fz_write_int32be(out, pwg ? pwg->insert_sheet : 0); - fz_write_int32be(out, pwg ? pwg->jog : 0); - fz_write_int32be(out, pwg ? pwg->leading_edge : 0); - /* CUPS format says that 312->320 are supposed to be the margins of - * the lower left hand edge of page in points. PWG says 'Reserved'. */ - for (i=312; i < 320; i += 4) - fz_write(out, zero, 4); - fz_write_int32be(out, pwg ? pwg->manual_feed : 0); - fz_write_int32be(out, pwg ? pwg->media_position : 0); - fz_write_int32be(out, pwg ? pwg->media_weight : 0); - fz_write_int32be(out, pwg ? pwg->mirror_print : 0); - fz_write_int32be(out, pwg ? pwg->negative_print : 0); - fz_write_int32be(out, pwg ? pwg->num_copies : 0); - fz_write_int32be(out, pwg ? pwg->orientation : 0); - fz_write_int32be(out, pwg ? pwg->output_face_up : 0); - fz_write_int32be(out, w * 72/ xres); /* Page size in points */ - fz_write_int32be(out, h * 72/ yres); - fz_write_int32be(out, pwg ? pwg->separations : 0); - fz_write_int32be(out, pwg ? pwg->tray_switch : 0); - fz_write_int32be(out, pwg ? pwg->tumble : 0); - fz_write_int32be(out, w); /* Page image in pixels */ - fz_write_int32be(out, h); - fz_write_int32be(out, pwg ? pwg->media_type_num : 0); - fz_write_int32be(out, bpp < 8 ? 1 : 8); /* Bits per color */ - fz_write_int32be(out, bpp); /* Bits per pixel */ - fz_write_int32be(out, (w * bpp + 7)/8); /* Bytes per line */ - fz_write_int32be(out, 0); /* Chunky pixels */ - fz_write_int32be(out, bpp == 1 ? 3 /* Black */ : (bpp == 8 ? 18 /* Sgray */ : 19 /* Srgb */)); /* Colorspace */ - fz_write_int32be(out, pwg ? pwg->compression : 0); - fz_write_int32be(out, pwg ? pwg->row_count : 0); - fz_write_int32be(out, pwg ? pwg->row_feed : 0); - fz_write_int32be(out, pwg ? pwg->row_step : 0); - fz_write_int32be(out, bpp <= 8 ? 1 : 3); /* Num Colors */ - for (i=424; i < 452; i += 4) - fz_write(out, zero, 4); - fz_write_int32be(out, 1); /* TotalPageCount */ - fz_write_int32be(out, 1); /* CrossFeedTransform */ - fz_write_int32be(out, 1); /* FeedTransform */ - fz_write_int32be(out, 0); /* ImageBoxLeft */ - fz_write_int32be(out, 0); /* ImageBoxTop */ - fz_write_int32be(out, w); /* ImageBoxRight */ - fz_write_int32be(out, h); /* ImageBoxBottom */ - for (i=480; i < 1668; i += 4) - fz_write(out, zero, 4); - fz_write(out, pwg ? pwg->rendering_intent : zero, 64); - fz_write(out, pwg ? pwg->page_size_name : zero, 64); -} - -void -fz_output_pwg_page(fz_output *out, const fz_pixmap *pixmap, const fz_pwg_options *pwg) -{ - unsigned char *sp; - int y, x, sn, dn, ss; - fz_context *ctx; - - if (!out || !pixmap) - return; - - ctx = out->ctx; - - if (pixmap->n != 1 && pixmap->n != 2 && pixmap->n != 4) - fz_throw(ctx, FZ_ERROR_GENERIC, "pixmap must be grayscale or rgb to write as pwg"); - - sn = pixmap->n; - dn = pixmap->n; - if (dn == 2 || dn == 4) - dn--; - - output_header(out, pwg, pixmap->xres, pixmap->yres, pixmap->w, pixmap->h, dn*8); - - /* Now output the actual bitmap, using a packbits like compression */ - sp = pixmap->samples; - ss = pixmap->w * sn; - y = 0; - while (y < pixmap->h) - { - int yrep; - - assert(sp == pixmap->samples + y * ss); - - /* Count the number of times this line is repeated */ - for (yrep = 1; yrep < 256 && y+yrep < pixmap->h; yrep++) - { - if (memcmp(sp, sp + yrep * ss, ss) != 0) - break; - } - fz_write_byte(out, yrep-1); - - /* Encode the line */ - x = 0; - while (x < pixmap->w) - { - int d; - - assert(sp == pixmap->samples + y * ss + x * sn); - - /* How far do we have to look to find a repeated value? */ - for (d = 1; d < 128 && x+d < pixmap->w; d++) - { - if (memcmp(sp + (d-1)*sn, sp + d*sn, sn) == 0) - break; - } - if (d == 1) - { - int xrep; - - /* We immediately have a repeat (or we've hit - * the end of the line). Count the number of - * times this value is repeated. */ - for (xrep = 1; xrep < 128 && x+xrep < pixmap->w; xrep++) - { - if (memcmp(sp, sp + xrep*sn, sn) != 0) - break; - } - fz_write_byte(out, xrep-1); - fz_write(out, sp, dn); - sp += sn*xrep; - x += xrep; - } - else - { - fz_write_byte(out, 257-d); - x += d; - while (d > 0) - { - fz_write(out, sp, dn); - sp += sn; - d--; - } - } - } - - /* Move to the next line */ - sp += ss*(yrep-1); - y += yrep; - } -} - -void -fz_output_pwg_bitmap_page(fz_output *out, const fz_bitmap *bitmap, const fz_pwg_options *pwg) -{ - unsigned char *sp; - int y, x, ss; - int byte_width; - - if (!out || !bitmap) - return; - - output_header(out, pwg, bitmap->xres, bitmap->yres, bitmap->w, bitmap->h, 1); - - /* Now output the actual bitmap, using a packbits like compression */ - sp = bitmap->samples; - ss = bitmap->stride; - byte_width = (bitmap->w+7)/8; - y = 0; - while (y < bitmap->h) - { - int yrep; - - assert(sp == bitmap->samples + y * ss); - - /* Count the number of times this line is repeated */ - for (yrep = 1; yrep < 256 && y+yrep < bitmap->h; yrep++) - { - if (memcmp(sp, sp + yrep * ss, byte_width) != 0) - break; - } - fz_write_byte(out, yrep-1); - - /* Encode the line */ - x = 0; - while (x < byte_width) - { - int d; - - assert(sp == bitmap->samples + y * ss + x); - - /* How far do we have to look to find a repeated value? */ - for (d = 1; d < 128 && x+d < byte_width; d++) - { - if (sp[d-1] == sp[d]) - break; - } - if (d == 1) - { - int xrep; - - /* We immediately have a repeat (or we've hit - * the end of the line). Count the number of - * times this value is repeated. */ - for (xrep = 1; xrep < 128 && x+xrep < byte_width; xrep++) - { - if (sp[0] != sp[xrep]) - break; - } - fz_write_byte(out, xrep-1); - fz_write(out, sp, 1); - sp += xrep; - x += xrep; - } - else - { - fz_write_byte(out, 257-d); - fz_write(out, sp, d); - sp += d; - x += d; - } - } - - /* Move to the next line */ - sp += ss*yrep - byte_width; - y += yrep; - } -} - -void -fz_output_pwg(fz_output *out, const fz_pixmap *pixmap, const fz_pwg_options *pwg) -{ - fz_output_pwg_file_header(out); - fz_output_pwg_page(out, pixmap, pwg); -} - -void -fz_write_pwg(fz_context *ctx, fz_pixmap *pixmap, char *filename, int append, const fz_pwg_options *pwg) -{ - FILE *fp; - fz_output *out = NULL; - - fp = fopen(filename, append ? "ab" : "wb"); - if (!fp) - { - fz_throw(ctx, FZ_ERROR_GENERIC, "cannot open file '%s': %s", filename, strerror(errno)); - } - - fz_var(out); - - fz_try(ctx) - { - out = fz_new_output_with_file(ctx, fp); - if (!append) - fz_output_pwg_file_header(out); - fz_output_pwg_page(out, pixmap, pwg); - } - fz_always(ctx) - { - fz_close_output(out); - fclose(fp); - } - fz_catch(ctx) - { - fz_rethrow(ctx); - } -} - -void -fz_write_pwg_bitmap(fz_context *ctx, fz_bitmap *bitmap, char *filename, int append, const fz_pwg_options *pwg) -{ - FILE *fp; - fz_output *out = NULL; - - fp = fopen(filename, append ? "ab" : "wb"); - if (!fp) - { - fz_throw(ctx, FZ_ERROR_GENERIC, "cannot open file '%s': %s", filename, strerror(errno)); - } - - fz_var(out); - - fz_try(ctx) - { - out = fz_new_output_with_file(ctx, fp); - if (!append) - fz_output_pwg_file_header(out); - fz_output_pwg_bitmap_page(out, bitmap, pwg); - } - fz_always(ctx) - { - fz_close_output(out); - fclose(fp); - } - fz_catch(ctx) - { - fz_rethrow(ctx); - } -} |