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-rw-r--r--src/xsane-save.c720
1 files changed, 644 insertions, 76 deletions
diff --git a/src/xsane-save.c b/src/xsane-save.c
index e9020e0..decd85a 100644
--- a/src/xsane-save.c
+++ b/src/xsane-save.c
@@ -25,6 +25,7 @@
#include "xsane.h"
#include "xsane-back-gtk.h"
#include "xsane-front-gtk.h"
+#include <time.h>
#include <sys/wait.h>
/* the following test is always false */
@@ -40,16 +41,16 @@
#include <jpeglib.h>
#endif
-#ifdef HAVE_LIBPNG
#ifdef HAVE_LIBZ
-#include <png.h>
#include <zlib.h>
#endif
+
+#ifdef HAVE_LIBPNG
+#include <png.h>
#endif
#ifdef HAVE_LIBTIFF
#include <tiffio.h>
-#include <time.h>
#endif
#ifdef HAVE_MMAP
@@ -2316,32 +2317,32 @@ static void xsane_save_ps_create_header(FILE *outfile, Image_info *image_info,
SANE_VERSION_MAJOR(xsane.sane_backend_versioncode),
SANE_VERSION_MINOR(xsane.sane_backend_versioncode));
fprintf(outfile, "%%%%DocumentData: Clean7Bit\n");
+ fprintf(outfile, "%%%%LanguageLevel: 2\n");
fprintf(outfile, "%%%%Pages: 1\n");
fprintf(outfile, "%%%%BoundingBox: %d %d %d %d\n", box_left, box_bottom, box_right, box_top);
fprintf(outfile, "%%%%EndComments\n");
+ fprintf(outfile, "\n");
fprintf(outfile, "/origstate save def\n");
fprintf(outfile, "20 dict begin\n");
fprintf(outfile, "%%%%Page: 1 1\n");
if (depth == 1)
{
- fprintf(outfile, "/pix %d string def\n", (image_info->image_width+7)/8);
fprintf(outfile, "/grays %d string def\n", image_info->image_width);
fprintf(outfile, "/npixels 0 def\n");
fprintf(outfile, "/rgbindx 0 def\n");
}
- else
- {
- fprintf(outfile, "/pix %d string def\n", image_info->image_width);
- }
-
fprintf(outfile, "%d rotate\n", degree);
fprintf(outfile, "%d %d translate\n", position_left, position_bottom);
fprintf(outfile, "%f %f scale\n", width, height);
fprintf(outfile, "%d %d %d\n", image_info->image_width, image_info->image_height, depth);
fprintf(outfile, "[%d %d %d %d %d %d]\n", image_info->image_width, 0, 0, -image_info->image_height, 0, image_info->image_height);
- fprintf(outfile, "{currentfile pix readhexstring pop}\n");
+ fprintf(outfile, "currentfile\n");
+ fprintf(outfile, "/ASCII85Decode filter\n");
+#ifdef HAVE_LIBZ
+ fprintf(outfile, "/FlateDecode filter\n");
+#endif
if (image_info->colors == 3) /* what about RGBA here ? */
{
@@ -2357,16 +2358,228 @@ static void xsane_save_ps_create_header(FILE *outfile, Image_info *image_info,
/* ---------------------------------------------------------------------------------------------------------------------- */
-static int xsane_save_ps_bw(FILE *outfile, FILE *imagefile, Image_info *image_info, GtkProgressBar *progress_bar, int *cancel_save)
+/* Utility function for the PostScript output */
+static int xsane_write_compressed_a85(FILE *outfile, unsigned char *line, int len, int finish)
{
- int x, y, count;
+ static unsigned char *cbuf = NULL;
+ static int cbuflen = 0;
+ static int linelen = 0;
+ int i, j;
+ int outlen;
+#ifdef HAVE_LIBZ
+ static int init = 0;
+ static z_stream s;
+ int ret;
+ int flush;
+#endif
+ static int a85count = 0;
+ static guint32 a85tuple = 0;
+ static unsigned char a85block[6] = {0, 0, 0, 0, 0, 0};
+ static int count = 0;
+
+ DBG(DBG_proc, "xsane_write_compressed_a85\n");
+
+#ifdef HAVE_LIBZ
+ if (linelen != len)
+ {
+ linelen = len;
+ if (cbuf != NULL)
+ {
+ free(cbuf);
+ }
+ /* buffer length = length + 0.1 * length + 12 (mandatory) */
+ cbuflen = len + len / 10 + 12;
+ cbuf = malloc(cbuflen);
+ }
+
+ if (cbuf == NULL)
+ {
+ DBG(DBG_error, "cbuf allocation failed\n");
+ return 1;
+ }
+
+ if (!init)
+ {
+ s.zalloc = Z_NULL;
+ s.zfree = Z_NULL;
+ s.opaque = Z_NULL;
+
+ ret = deflateInit(&s, Z_DEFAULT_COMPRESSION);
+
+ if (ret != Z_OK)
+ {
+ DBG(DBG_error, "deflateInit failed\n");
+ free(cbuf);
+ return 1;
+ }
+
+ init = 1;
+ }
+
+ s.avail_in = len;
+ s.next_in = line;
+
+ do
+ {
+ s.avail_out = cbuflen;
+ s.next_out = cbuf;
+
+ flush = (finish) ? Z_FINISH : Z_NO_FLUSH;
+
+ ret = deflate(&s, flush);
+
+ if (ret == Z_STREAM_ERROR)
+ {
+ DBG(DBG_error, "deflate failed\n");
+ free(cbuf);
+ return 1;
+ }
+
+ outlen = cbuflen - s.avail_out;
+#else
+ cbuf = line;
+ outlen = len;
+#endif /* HAVE_LIBZ */
+
+ /* ASCII85 (base 85) encoding */
+ for (i = 0; i < outlen; i++)
+ {
+ switch (a85count)
+ {
+ case 0:
+ a85tuple |= (cbuf[i] << 24);
+ a85count++;
+ break;
+
+ case 1:
+ a85tuple |= (cbuf[i] << 16);
+ a85count++;
+ break;
+
+ case 2:
+ a85tuple |= (cbuf[i] << 8);
+ a85count++;
+ break;
+
+ case 3:
+ a85tuple |= (cbuf[i] << 0);
+
+ if (count == 40)
+ {
+ fprintf(outfile, "\n");
+ count = 0;
+ }
+
+ if (a85tuple == 0)
+ {
+ fprintf(outfile, "z");
+ count++;
+ }
+ else
+ {
+ /* The ASCII chars must be written in reverse order, hence -> a85block[4-j] */
+ for (j = 0; j < 5; j++)
+ {
+ a85block[4-j] = a85tuple % 85 + '!';
+ a85tuple /= 85;
+ }
+
+ for (j = 0; j < 5; j++)
+ {
+ fprintf(outfile, "%c", a85block[j]);
+ count++;
+ if (count == 40)
+ {
+ fprintf(outfile, "\n");
+ count = 0;
+ }
+ }
+ }
+
+ a85count = 0;
+ a85tuple = 0;
+ break;
+
+ default:
+ break;
+ }
+ }
+#ifdef HAVE_LIBZ
+ } while (s.avail_out == 0);
+#endif
+
+ if (finish)
+ {
+ DBG(DBG_info, "finish\n");
+ if (a85count > 0)
+ {
+ a85count++;
+ for (j = 0; j <= a85count; j++)
+ {
+ a85block[j] = a85tuple % 85 + '!';
+ a85tuple /= 85;
+ }
+ /* Reverse order */
+ for (j--; j > 0; j--)
+ {
+ if (count == 40)
+ {
+ fprintf(outfile, "\n");
+ count = 0;
+ }
+ fprintf(outfile, "%c", a85block[j]);
+ count++;
+ }
+ }
+
+ /* ASCII85 EOD marker + newline*/
+ if (count + 2 > 40)
+ {
+ fprintf(outfile, "\n");
+ }
+ fprintf(outfile, "~>\n");
+#ifdef HAVE_LIBZ
+ deflateEnd(&s);
+ free(cbuf);
+ cbuf = NULL;
+ init = 0;
+#endif
+ a85tuple = 0;
+ a85count = 0;
+ cbuflen = 0;
+ linelen = 0;
+ count = 0;
+ }
+
+ return 0;
+}
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+static int xsane_save_ps_pdf_bw(FILE *outfile, FILE *imagefile, Image_info *image_info, GtkProgressBar *progress_bar, int *cancel_save)
+{
+ int x, y;
int bytes_per_line = (image_info->image_width+7)/8;
+ int ret;
+ unsigned char *line;
- DBG(DBG_proc, "xsane_save_ps_bw\n");
+ DBG(DBG_proc, "xsane_save_ps_pdf_bw\n");
*cancel_save = 0;
- count = 0;
+ line = (unsigned char *) malloc(bytes_per_line);
+
+ if (line == NULL)
+ {
+ char buf[255];
+
+ snprintf(buf, sizeof(buf), "%s malloc failed", ERR_DURING_SAVE);
+ DBG(DBG_error, "%s\n", buf);
+ xsane_back_gtk_decision(ERR_HEADER_ERROR, (gchar **) error_xpm, buf, BUTTON_OK, NULL, TRUE /* wait */);
+ *cancel_save = 1;
+ return (*cancel_save);
+ }
+
for (y = 0; y < image_info->image_height; y++)
{
gtk_progress_bar_update(progress_bar, (float) y / image_info->image_height);
@@ -2377,48 +2590,67 @@ static int xsane_save_ps_bw(FILE *outfile, FILE *imagefile, Image_info *image_in
for (x = 0; x < bytes_per_line; x++)
{
- fprintf(outfile, "%02x", (fgetc(imagefile) ^ 255));
- if (++count >= 40)
- {
- fprintf(outfile, "\n");
- count = 0;
- }
+ line[x] = fgetc(imagefile) ^ 255;
}
- fprintf(outfile, "\n");
+ ret = xsane_write_compressed_a85(outfile, line, bytes_per_line, (y == image_info->image_height - 1));
- if (ferror(outfile))
+ if ((ret != 0) || (ferror(outfile)))
{
char buf[255];
- snprintf(buf, sizeof(buf), "%s %s", ERR_DURING_SAVE, strerror(errno));
+ if (ret == 0)
+ {
+ snprintf(buf, sizeof(buf), "%s %s", ERR_DURING_SAVE, strerror(errno));
+ }
+ else
+ {
+ snprintf(buf, sizeof(buf), "%s %s", ERR_DURING_SAVE, ERR_ZLIB);
+ }
+
DBG(DBG_error, "%s\n", buf);
xsane_back_gtk_decision(ERR_HEADER_ERROR, (gchar **) error_xpm, buf, BUTTON_OK, NULL, TRUE /* wait */);
*cancel_save = 1;
+
break;
}
- count = 0;
if (*cancel_save)
{
break;
}
}
+ free(line);
+
return (*cancel_save);
}
/* ---------------------------------------------------------------------------------------------------------------------- */
-static int xsane_save_ps_gray(FILE *outfile, FILE *imagefile, Image_info *image_info, GtkProgressBar *progress_bar, int *cancel_save)
+static int xsane_save_ps_pdf_gray(FILE *outfile, FILE *imagefile, Image_info *image_info, GtkProgressBar *progress_bar, int *cancel_save)
{
- int x, y, count;
+ int x, y;
+ int ret;
+ unsigned char *line;
- DBG(DBG_proc, "xsane_save_ps_gray\n");
+ DBG(DBG_proc, "xsane_save_ps_pdf_gray\n");
*cancel_save = 0;
- count = 0;
+ line = (unsigned char *) malloc(image_info->image_width);
+
+ if (line == NULL)
+ {
+ char buf[255];
+
+ snprintf(buf, sizeof(buf), "%s malloc failed", ERR_DURING_SAVE);
+ DBG(DBG_error, "%s\n", buf);
+ xsane_back_gtk_decision(ERR_HEADER_ERROR, (gchar **) error_xpm, buf, BUTTON_OK, NULL, TRUE /* wait */);
+ *cancel_save = 1;
+ return (*cancel_save);
+ }
+
for (y = 0; y < image_info->image_height; y++)
{
if (image_info->depth > 8) /* reduce 16 bit images */
@@ -2428,67 +2660,81 @@ static int xsane_save_ps_gray(FILE *outfile, FILE *imagefile, Image_info *image_
for (x = 0; x < image_info->image_width; x++)
{
fread(&val, 2, 1, imagefile);
- fprintf(outfile, "%02x", val/256);
-
- if (++count >= 40)
- {
- fprintf(outfile, "\n");
- count = 0;
- }
+ line[x] = val/256;
}
}
else /* 8 bits/sample */
{
for (x = 0; x < image_info->image_width; x++)
{
- fprintf(outfile, "%02x", fgetc(imagefile));
- if (++count >= 40)
- {
- fprintf(outfile, "\n");
- count = 0;
- }
+ line[x] = fgetc(imagefile);
}
}
- fprintf(outfile, "\n");
+ ret = xsane_write_compressed_a85(outfile, line, image_info->image_width, (y == image_info->image_height - 1));
- if (ferror(outfile))
+ if ((ret != 0) || (ferror(outfile)))
{
char buf[255];
- snprintf(buf, sizeof(buf), "%s %s", ERR_DURING_SAVE, strerror(errno));
+ if (ret == 0)
+ {
+ snprintf(buf, sizeof(buf), "%s %s", ERR_DURING_SAVE, strerror(errno));
+ }
+ else
+ {
+ snprintf(buf, sizeof(buf), "%s zlib error or memory allocation problem", ERR_DURING_SAVE);
+ }
+
DBG(DBG_error, "%s\n", buf);
xsane_back_gtk_decision(ERR_HEADER_ERROR, (gchar **) error_xpm, buf, BUTTON_OK, NULL, TRUE /* wait */);
*cancel_save = 1;
+
break;
}
- count = 0;
gtk_progress_bar_update(progress_bar, (float) y / image_info->image_height);
while (gtk_events_pending())
{
gtk_main_iteration();
}
+
if (*cancel_save)
{
break;
}
}
+ free(line);
+
return (*cancel_save);
}
/* ---------------------------------------------------------------------------------------------------------------------- */
-static int xsane_save_ps_color(FILE *outfile, FILE *imagefile, Image_info *image_info, GtkProgressBar *progress_bar, int *cancel_save)
+static int xsane_save_ps_pdf_color(FILE *outfile, FILE *imagefile, Image_info *image_info, GtkProgressBar *progress_bar, int *cancel_save)
{
- int x, y, count;
+ int x, y;
+ int ret;
+ unsigned char *line, *linep;
- DBG(DBG_proc, "xsane_save_ps_color\n");
+ DBG(DBG_proc, "xsane_save_ps_pdf_color\n");
*cancel_save = 0;
+
+ line = (unsigned char *) malloc(image_info->image_width * 3);
+
+ if (line == NULL)
+ {
+ char buf[255];
+
+ snprintf(buf, sizeof(buf), "%s malloc failed", ERR_DURING_SAVE);
+ DBG(DBG_error, "%s\n", buf);
+ xsane_back_gtk_decision(ERR_HEADER_ERROR, (gchar **) error_xpm, buf, BUTTON_OK, NULL, TRUE /* wait */);
+ *cancel_save = 1;
+ return (*cancel_save);
+ }
- count = 0;
for (y = 0; y < image_info->image_height; y++)
{
gtk_progress_bar_update(progress_bar, (float) y / image_info->image_height);
@@ -2497,6 +2743,8 @@ static int xsane_save_ps_color(FILE *outfile, FILE *imagefile, Image_info *image
gtk_main_iteration();
}
+ linep = line;
+
if (image_info->depth > 8) /* reduce 16 bit images */
{
guint16 val;
@@ -2504,55 +2752,53 @@ static int xsane_save_ps_color(FILE *outfile, FILE *imagefile, Image_info *image
for (x = 0; x < image_info->image_width; x++)
{
fread(&val, 2, 1, imagefile);
- fprintf(outfile, "%02x", val/256);
+ *linep++ = val/256;
fread(&val, 2, 1, imagefile);
- fprintf(outfile, "%02x", val/256);
+ *linep++ = val/256;
fread(&val, 2, 1, imagefile);
- fprintf(outfile, "%02x", val/256);
-
- if (++count >= 10)
- {
- fprintf(outfile, "\n");
- count = 0;
- }
+ *linep++ = val/256;
}
}
else /* 8 bits/sample */
{
for (x = 0; x < image_info->image_width; x++)
{
- fprintf(outfile, "%02x", fgetc(imagefile));
- fprintf(outfile, "%02x", fgetc(imagefile));
- fprintf(outfile, "%02x", fgetc(imagefile));
-
- if (++count >= 10)
- {
- fprintf(outfile, "\n");
- count = 0;
- }
+ *linep++ = fgetc(imagefile);
+ *linep++ = fgetc(imagefile);
+ *linep++ = fgetc(imagefile);
}
}
- fprintf(outfile, "\n");
- if (ferror(outfile))
+ ret = xsane_write_compressed_a85(outfile, line, (image_info->image_width * 3), (y == image_info->image_height - 1));
+
+ if ((ret != 0) || (ferror(outfile)))
{
char buf[255];
- snprintf(buf, sizeof(buf), "%s %s", ERR_DURING_SAVE, strerror(errno));
+ if (ret == 0)
+ {
+ snprintf(buf, sizeof(buf), "%s %s", ERR_DURING_SAVE, strerror(errno));
+ }
+ else
+ {
+ snprintf(buf, sizeof(buf), "%s zlib error or memory allocation problem", ERR_DURING_SAVE);
+ }
+
DBG(DBG_error, "%s\n", buf);
xsane_back_gtk_decision(ERR_HEADER_ERROR, (gchar **) error_xpm, buf, BUTTON_OK, NULL, TRUE /* wait */);
*cancel_save = 1;
+
break;
}
- count = 0;
-
if (*cancel_save)
{
break;
}
}
+ free(line);
+
return (*cancel_save);
}
@@ -2574,16 +2820,16 @@ int xsane_save_ps(FILE *outfile, FILE *imagefile, Image_info *image_info, float
{
if (image_info->depth == 1) /* lineart, halftone */
{
- xsane_save_ps_bw(outfile, imagefile, image_info, progress_bar, cancel_save);
+ xsane_save_ps_pdf_bw(outfile, imagefile, image_info, progress_bar, cancel_save);
}
else /* grayscale */
{
- xsane_save_ps_gray(outfile, imagefile, image_info, progress_bar, cancel_save);
+ xsane_save_ps_pdf_gray(outfile, imagefile, image_info, progress_bar, cancel_save);
}
}
else /* color RGB */
{
- xsane_save_ps_color(outfile, imagefile, image_info, progress_bar, cancel_save);
+ xsane_save_ps_pdf_color(outfile, imagefile, image_info, progress_bar, cancel_save);
}
fprintf(outfile, "\n");
@@ -2607,6 +2853,308 @@ int xsane_save_ps(FILE *outfile, FILE *imagefile, Image_info *image_info, float
}
/* ---------------------------------------------------------------------------------------------------------------------- */
+
+/* The pdf_xref struct holds byte offsets from the beginning of the PDF
+ * file to each object of the PDF file -- used to build the xref table
+ */
+struct pdf_xref
+{
+ unsigned long obj5; /* obj 5 0 */
+ unsigned long obj6; /* obj 6 0 */
+ unsigned long obj7; /* obj 7 0 */
+ unsigned long xref; /* xref table */
+ unsigned long slen; /* length of image stream */
+ unsigned long slenp; /* position of image stream length */
+};
+
+static void xsane_save_pdf_create_header(FILE *outfile, Image_info *image_info,
+ float width, float height,
+ int paper_left_margin, int paper_bottom_margin,
+ int paper_width, int paper_height,
+ int paper_orientation,
+ GtkProgressBar *progress_bar, struct pdf_xref *xref)
+{
+ int position_left, position_bottom, box_left, box_bottom, box_right, box_top, depth;
+ int left, bottom;
+ float rad;
+
+ DBG(DBG_proc, "xsane_save_pdf_create_header\n");
+
+ switch (paper_orientation)
+ {
+ default:
+ case 0: /* top left portrait */
+ left = 0.0;
+ bottom = paper_height - height;
+ break;
+
+ case 1: /* top right portrait */
+ left = paper_width - width;
+ bottom = paper_height - height;
+ break;
+
+ case 2: /* bottom right portrait */
+ left = paper_width - width;
+ bottom = 0.0;
+ break;
+
+ case 3: /* bottom left portrait */
+ left = 0.0;
+ bottom = 0.0;
+ break;
+
+ case 4: /* center portrait */
+ left = paper_width / 2.0 - width / 2.0;
+ bottom = paper_height / 2.0 - height / 2.0;
+ break;
+
+
+ case 8: /* top left landscape */
+ left = 0.0;
+ bottom = paper_width - height;
+ break;
+
+ case 9: /* top right landscape */
+ left = paper_height - width;
+ bottom = paper_width - height;
+ break;
+
+ case 10: /* bottom right landscape */
+ left = paper_height - width;
+ bottom = 0.0;
+ break;
+
+ case 11: /* bottom left landscape */
+ left = 0.0;
+ bottom = 0.0;
+ break;
+
+ case 12: /* center landscape */
+ left = paper_height / 2.0 - width / 2.0;
+ bottom = paper_width / 2.0 - height / 2.0;
+ break;
+ }
+
+
+ if (paper_orientation >= 8) /* rotate with 90 degrees - landscape mode */
+ {
+ rad = -M_PI_2; /* pi / 2 */
+ position_left = left + paper_bottom_margin;
+ position_bottom = bottom - paper_width - paper_left_margin;
+ box_left = paper_width - paper_left_margin - bottom - height;
+ box_bottom = left + paper_bottom_margin;
+ box_right = box_left + ceil(height);
+ box_top = box_bottom + ceil(width);
+ }
+ else /* do not rotate, portrait mode */
+ {
+ rad = 0;
+ position_left = left + paper_left_margin;
+ position_bottom = bottom + paper_bottom_margin;
+ box_left = left + paper_left_margin;
+ box_bottom = bottom + paper_bottom_margin;
+ box_right = box_left + ceil(width);
+ box_top = box_bottom + ceil(height);
+ }
+
+ depth = image_info->depth;
+
+ if (depth > 8)
+ {
+ depth = 8;
+ }
+
+ fprintf(outfile, "%%PDF-1.4\n");
+ fprintf(outfile, "\n");
+ fprintf(outfile, "1 0 obj\n");
+ fprintf(outfile, " << /Type /Catalog\n");
+ fprintf(outfile, " /Outlines 2 0 R\n");
+ fprintf(outfile, " /Pages 3 0 R\n");
+ fprintf(outfile, " >>\n");
+ fprintf(outfile, "endobj\n");
+ fprintf(outfile, "\n");
+ fprintf(outfile, "2 0 obj\n");
+ fprintf(outfile, " << /Type /Outlines\n");
+ fprintf(outfile, " /Count 0\n");
+ fprintf(outfile, " >>\n");
+ fprintf(outfile, "endobj\n");
+ fprintf(outfile, "\n");
+ fprintf(outfile, "3 0 obj\n");
+ fprintf(outfile, " << /Type /Pages\n");
+ fprintf(outfile, " /Kids [4 0 R]\n");
+ fprintf(outfile, " /Count 1\n");
+ fprintf(outfile, " >>\n");
+ fprintf(outfile, "endobj\n");
+ fprintf(outfile, "\n");
+ fprintf(outfile, "4 0 obj\n");
+ fprintf(outfile, " << /Type /Page\n");
+ fprintf(outfile, " /Parent 3 0 R\n");
+ fprintf(outfile, " /MediaBox [%d %d %d %d]\n", box_left, box_bottom, box_right, box_top);
+ fprintf(outfile, " /Contents 5 0 R\n");
+ fprintf(outfile, " /Resources << /ProcSet 6 0 R >>\n");
+ fprintf(outfile, " >>\n");
+ fprintf(outfile, "endobj\n");
+ fprintf(outfile, "\n");
+
+ /* Offset of object 5, for xref */
+ xref->obj5 = ftell(outfile);
+
+ fprintf(outfile, "5 0 obj\n");
+ fprintf(outfile, " << /Length >>\n");
+
+ /* Position of the stream length, to be written later on */
+ xref->slenp = ftell(outfile) - 15;
+
+ fprintf(outfile, "stream\n");
+
+ /* Start of the stream data */
+ xref->slen = ftell(outfile);
+
+ fprintf(outfile, "q\n");
+ fprintf(outfile, "1 0 0 1 %d %d cm\n", position_left, position_bottom); /* translate */
+ fprintf(outfile, "%f %f -%f %f 0 0 cm\n", cos(rad), sin(rad), sin(rad), cos(rad)); /* rotate */
+ fprintf(outfile, "%f 0 0 %f 0 0 cm\n", width, height); /* scale */
+ fprintf(outfile, "BI\n");
+ fprintf(outfile, " /W %d\n", image_info->image_width);
+ fprintf(outfile, " /H %d\n", image_info->image_height);
+
+ if (image_info->colors == 3) /* what about RGBA here ? */
+ {
+ fprintf(outfile, " /CS /RGB\n");
+ fprintf(outfile, " /BPC %d\n", depth);
+ }
+ else if (image_info->depth == 1) /* BW */
+ {
+ fprintf(outfile, " /CS /G\n");
+ fprintf(outfile, " /BPC 1\n");
+ }
+ else /* gray */
+ {
+ fprintf(outfile, " /CS /G\n");
+ fprintf(outfile, " /BPC 8\n");
+ }
+
+#ifdef HAVE_LIBZ
+ fprintf(outfile, " /F [/A85 /FlateDecode]\n");
+#else
+ fprintf(outfile, " /F /A85\n");
+#endif
+ fprintf(outfile, "ID\n");
+}
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+int xsane_save_pdf(FILE *outfile, FILE *imagefile, Image_info *image_info, float width, float height,
+ int paper_left_margin, int paper_bottom_margin, int paperheight, int paperwidth, int paper_orientation,
+ GtkProgressBar *progress_bar, int *cancel_save)
+{
+ struct tm *t;
+ time_t tt;
+ struct pdf_xref xref;
+
+ DBG(DBG_proc, "xsane_save_pdf\n");
+
+ *cancel_save = 0;
+
+ xsane_save_pdf_create_header(outfile, image_info, width, height,
+ paper_left_margin, paper_bottom_margin, paperheight, paperwidth, paper_orientation,
+ progress_bar, &xref);
+
+ if (image_info->colors == 1) /* lineart, halftone, grayscale */
+ {
+ if (image_info->depth == 1) /* lineart, halftone */
+ {
+ xsane_save_ps_pdf_bw(outfile, imagefile, image_info, progress_bar, cancel_save);
+ }
+ else /* grayscale */
+ {
+ xsane_save_ps_pdf_gray(outfile, imagefile, image_info, progress_bar, cancel_save);
+ }
+ }
+ else /* color RGB */
+ {
+ xsane_save_ps_pdf_color(outfile, imagefile, image_info, progress_bar, cancel_save);
+ }
+
+ /* PDF trailer */
+ fprintf(outfile, "EI\n");
+ fprintf(outfile, "Q\n");
+
+ /* Go back and write the length of the stream */
+ xref.slen = ftell(outfile) - xref.slen - 1;
+ fseek(outfile, xref.slenp, SEEK_SET);
+ fprintf(outfile, "%lu", xref.slen);
+ fseek(outfile, 0L, SEEK_END);
+
+ fprintf(outfile, "endstream\n");
+ fprintf(outfile, "endobj\n");
+ fprintf(outfile, "\n");
+
+ /* Offset of object 6, for xref */
+ xref.obj6 = ftell(outfile);
+
+ fprintf(outfile, "6 0 obj\n");
+ fprintf(outfile, " [/PDF]\n");
+ fprintf(outfile, "endobj\n");
+ fprintf(outfile, "\n");
+
+ /* Offset of object 7, for xref */
+ xref.obj7 = ftell(outfile);
+
+ fprintf(outfile, "7 0 obj\n");
+ fprintf(outfile, " << /Title (XSane scanned image)\n");
+ fprintf(outfile, " /Creator (XSane version %s (sane %d.%d) - by Oliver Rauch)\n",
+ VERSION,
+ SANE_VERSION_MAJOR(xsane.sane_backend_versioncode),
+ SANE_VERSION_MINOR(xsane.sane_backend_versioncode));
+ fprintf(outfile, " /Producer (XSane %s)\n", VERSION);
+
+ tt = time(NULL);
+ t = gmtime(&tt);
+
+ fprintf(outfile, " /CreationDate (D:%04d%02d%02d%02d%02d%02d+00'00')\n",
+ 1900 + t->tm_year, t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
+ fprintf(outfile, " >>\n");
+ fprintf(outfile, "endobj\n");
+ fprintf(outfile, "\n");
+
+ /* Offset of xref, for startxref below */
+ xref.xref = ftell(outfile);
+
+ fprintf(outfile, "xref\n");
+ fprintf(outfile, "0 8\n");
+ fprintf(outfile, "0000000000 65535 f \n");
+ fprintf(outfile, "0000000010 00000 n \n");
+ fprintf(outfile, "0000000094 00000 n \n");
+ fprintf(outfile, "0000000153 00000 n \n");
+ fprintf(outfile, "0000000229 00000 n \n");
+ fprintf(outfile, "%010lu 00000 n \n", xref.obj5);
+ fprintf(outfile, "%010lu 00000 n \n", xref.obj6);
+ fprintf(outfile, "%010lu 00000 n \n", xref.obj7);
+ fprintf(outfile, "\n");
+ fprintf(outfile, "trailer\n");
+ fprintf(outfile, " << /Size 8\n");
+ fprintf(outfile, " /Root 1 0 R\n");
+ fprintf(outfile, " /Info 7 0 R\n");
+ fprintf(outfile, " >>\n");
+ fprintf(outfile, "startxref\n");
+ fprintf(outfile, "%lu\n", xref.xref);
+ fprintf(outfile, "%%%%EOF\n");
+
+ if (ferror(outfile))
+ {
+ char buf[255];
+
+ snprintf(buf, sizeof(buf), "%s %s", ERR_DURING_SAVE, strerror(errno));
+ DBG(DBG_error, "%s\n", buf);
+ xsane_back_gtk_decision(ERR_HEADER_ERROR, (gchar **) error_xpm, buf, BUTTON_OK, NULL, TRUE /* wait */);
+ *cancel_save = 1;
+ }
+
+ return (*cancel_save);
+}
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
#ifdef HAVE_LIBJPEG
typedef struct
@@ -3804,6 +4352,26 @@ int xsane_save_image_as(char *output_filename, char *input_filename, int output_
}
break; /* switch format == XSANE_PS */
+ case XSANE_PDF: /* save PDF, use original size */
+ {
+ float imagewidth, imageheight;
+
+ imagewidth = 72.0 * image_info.image_width/image_info.resolution_x; /* width in 1/72 inch */
+ imageheight = 72.0 * image_info.image_height/image_info.resolution_y; /* height in 1/72 inch */
+
+ xsane_save_pdf(outfile, infile,
+ &image_info,
+ imagewidth, imageheight,
+ 0, /* paper_left_margin */
+ 0, /* paper_bottom_margin */
+ (int) imagewidth, /* paper_width */
+ (int) imageheight, /* paper_height */
+ 0 /* portrait top left */,
+ progress_bar,
+ cancel_save);
+ }
+ break; /* switch format == XSANE_PDF */
+
case XSANE_TEXT: /* save as text using ocr program like gocr/jocr */
{
xsane_save_image_as_text(output_filename, input_filename, progress_bar, cancel_save);
@@ -4139,7 +4707,7 @@ static void xsane_gimp_run(char *name, int nparams, GimpParam *param, int *nretu
run_mode = param[0].data.d_int32;
xsane.mode = XSANE_GIMP_EXTENSION;
- xsane.xsane_mode = XSANE_SAVE;
+ preferences.xsane_mode = XSANE_SAVE;
*nreturn_vals = 1;
*return_vals = values;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 19:58:45 +0000