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-rw-r--r--fitz/res_pixmap.c200
-rw-r--r--fitz/res_pwg.c201
2 files changed, 201 insertions, 200 deletions
diff --git a/fitz/res_pixmap.c b/fitz/res_pixmap.c
index 711b33d3..9c346c01 100644
--- a/fitz/res_pixmap.c
+++ b/fitz/res_pixmap.c
@@ -726,206 +726,6 @@ fz_pixmap_size(fz_context *ctx, fz_pixmap * pix)
return sizeof(*pix) + pix->n * pix->w * pix->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);
-}
-
-void
-fz_output_pwg_page(fz_output *out, const fz_pixmap *pixmap, const fz_pwg_options *pwg)
-{
- static const unsigned char zero[64] = { 0 };
- unsigned char *sp;
- int y, x, i, 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, "pixmap must be grayscale or rgb to write as pwg");
-
- sn = pixmap->n;
- dn = pixmap->n;
- if (dn == 2 || dn == 4)
- dn--;
-
- /* 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, pixmap->xres);
- fz_write_int32be(out, pixmap->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, pixmap->w * 72/ pixmap->xres); /* Page size in points */
- fz_write_int32be(out, pixmap->h * 72/ pixmap->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, pixmap->w); /* Page image in pixels */
- fz_write_int32be(out, pixmap->h);
- fz_write_int32be(out, pwg ? pwg->media_type_num : 0);
- fz_write_int32be(out, 8); /* Bits per color */
- fz_write_int32be(out, 8*dn); /* Bits per pixel */
- fz_write_int32be(out, pixmap->w * dn); /* Bytes per line */
- fz_write_int32be(out, 0); /* Chunky pixels */
- fz_write_int32be(out, dn == 1 ? 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, dn); /* 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, pixmap->w); /* ImageBoxRight */
- fz_write_int32be(out, pixmap->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);
-
- /* 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(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, "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);
- }
-}
-
#ifdef ARCH_ARM
static void
fz_subsample_pixmap_ARM(unsigned char *ptr, int w, int h, int f, int factor,
diff --git a/fitz/res_pwg.c b/fitz/res_pwg.c
new file mode 100644
index 00000000..620be86e
--- /dev/null
+++ b/fitz/res_pwg.c
@@ -0,0 +1,201 @@
+#include "fitz-internal.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);
+}
+
+void
+fz_output_pwg_page(fz_output *out, const fz_pixmap *pixmap, const fz_pwg_options *pwg)
+{
+ static const char zero[64] = { 0 };
+ unsigned char *sp;
+ int y, x, i, 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, "pixmap must be grayscale or rgb to write as pwg");
+
+ sn = pixmap->n;
+ dn = pixmap->n;
+ if (dn == 2 || dn == 4)
+ dn--;
+
+ /* 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, pixmap->xres);
+ fz_write_int32be(out, pixmap->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, pixmap->w * 72/ pixmap->xres); /* Page size in points */
+ fz_write_int32be(out, pixmap->h * 72/ pixmap->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, pixmap->w); /* Page image in pixels */
+ fz_write_int32be(out, pixmap->h);
+ fz_write_int32be(out, pwg ? pwg->media_type_num : 0);
+ fz_write_int32be(out, 8); /* Bits per color */
+ fz_write_int32be(out, 8*dn); /* Bits per pixel */
+ fz_write_int32be(out, pixmap->w * dn); /* Bytes per line */
+ fz_write_int32be(out, 0); /* Chunky pixels */
+ fz_write_int32be(out, dn == 1 ? 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, dn); /* 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, pixmap->w); /* ImageBoxRight */
+ fz_write_int32be(out, pixmap->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);
+
+ /* 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(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, "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);
+ }
+}