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authorJörg Frings-Fürst <debian@jff-webhosting.net>2014-07-23 18:18:19 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2014-07-23 18:18:19 +0200
commitcce8437bfbdb21e2b97025de6721c78f6d4654fc (patch)
tree3254cbee0a3ab39757bb7a1972faa884127f33cd /src/book.vala
parenta366a6feda133b888da763569953636c90017f57 (diff)
Imported Upstream version 3.13.4.2upstream/3.13.4.2
Diffstat (limited to 'src/book.vala')
-rw-r--r--src/book.vala79
1 files changed, 66 insertions, 13 deletions
diff --git a/src/book.vala b/src/book.vala
index 97e49a8..db9be0b 100644
--- a/src/book.vala
+++ b/src/book.vala
@@ -83,12 +83,56 @@ public class Book
needs_saving = true;
}
+ public void reverse ()
+ {
+ var new_pages = new List<Page> ();
+ foreach (var page in pages)
+ new_pages.prepend (page);
+ pages = (owned) new_pages;
+
+ reordered ();
+ needs_saving = true;
+ }
+
+ public void combine_sides ()
+ {
+ var n_front = n_pages - n_pages / 2;
+ var new_pages = new List<Page> ();
+ for (var i = 0; i < n_pages; i++)
+ {
+ if (i % 2 == 0)
+ new_pages.append (pages.nth_data (i / 2));
+ else
+ new_pages.append (pages.nth_data (n_front + (i / 2)));
+ }
+ pages = (owned) new_pages;
+
+ reordered ();
+ needs_saving = true;
+ }
+
+ public void combine_sides_reverse ()
+ {
+ var new_pages = new List<Page> ();
+ for (var i = 0; i < n_pages; i++)
+ {
+ if (i % 2 == 0)
+ new_pages.append (pages.nth_data (i / 2));
+ else
+ new_pages.append (pages.nth_data (n_pages - 1 - (i / 2)));
+ }
+ pages = (owned) new_pages;
+
+ reordered ();
+ needs_saving = true;
+ }
+
public void delete_page (Page page)
{
page.pixels_changed.disconnect (page_changed_cb);
page.crop_changed.disconnect (page_changed_cb);
- page_removed (page);
pages.remove (page);
+ page_removed (page);
needs_saving = true;
}
@@ -153,8 +197,8 @@ public class Book
{
var page = get_page (i);
var image = page.get_image (true);
- var width = image.get_width () * 72.0 / page.dpi;
- var height = image.get_height () * 72.0 / page.dpi;
+ var width = image.width * 72.0 / page.dpi;
+ var height = image.height * 72.0 / page.dpi;
surface.set_size (width, height);
save_ps_pdf_surface (surface, image, page.dpi);
surface.show_page ();
@@ -212,6 +256,11 @@ public class Book
private void save_pdf (File file, int quality) throws Error
{
+ /* Generate a random ID for this file */
+ var id = "";
+ for (var i = 0; i < 4; i++)
+ id += "%08x".printf (Random.next_int ());
+
var stream = file.replace (null, false, FileCreateFlags.NONE, null);
var writer = new PDFWriter (stream);
@@ -227,6 +276,7 @@ public class Book
writer.write_string ("<<\n");
writer.write_string ("/Type /Catalog\n");
//FIXMEwriter.write_string ("/Metadata %u 0 R\n".printf (catalog_number + 1));
+ //FIXMEwriter.write_string ("/MarkInfo << /Marked true >>");
writer.write_string ("/Pages %u 0 R\n".printf (catalog_number + 1)); //+2
writer.write_string (">>\n");
writer.write_string ("endobj\n");
@@ -264,8 +314,8 @@ public class Book
{
var page = get_page (i);
var image = page.get_image (true);
- var width = image.get_width ();
- var height = image.get_height ();
+ var width = image.width;
+ var height = image.height;
unowned uint8[] pixels = image.get_pixels ();
var page_width = width * 72.0 / page.dpi;
var page_height = height * 72.0 / page.dpi;
@@ -284,7 +334,7 @@ public class Book
data = new uint8[data_length];
for (var row = 0; row < height; row++)
{
- var in_offset = row * image.get_rowstride ();
+ var in_offset = row * image.rowstride;
var out_offset = row * width * 3;
for (var x = 0; x < width; x++)
{
@@ -314,7 +364,7 @@ public class Book
shift_count = 6;
}
- var in_offset = row * image.get_rowstride ();
+ var in_offset = row * image.rowstride;
for (var x = 0; x < width; x++)
{
/* Clear byte */
@@ -359,7 +409,7 @@ public class Book
mask = 0x80;
}
- var in_offset = row * image.get_rowstride ();
+ var in_offset = row * image.rowstride;
for (var x = 0; x < width; x++)
{
/* Clear byte */
@@ -388,7 +438,7 @@ public class Book
data = new uint8 [data_length];
for (var row = 0; row < height; row++)
{
- var in_offset = row * image.get_rowstride ();
+ var in_offset = row * image.rowstride;
var out_offset = row * width;
for (var x = 0; x < width; x++)
data[out_offset+x] = pixels[in_offset+x*3];
@@ -457,7 +507,7 @@ public class Book
number = writer.start_object ();
writer.write_string ("%u 0 obj\n".printf (number));
writer.write_string ("<<\n");
- writer.write_string ("/Length %d\n".printf (command.length + 1));
+ writer.write_string ("/Length %d\n".printf (command.length));
writer.write_string (">>\n");
writer.write_string ("stream\n");
writer.write_string (command);
@@ -478,19 +528,22 @@ public class Book
writer.write_string ("endobj\n");
/* Cross-reference table */
+ writer.write_string ("\n");
var xref_offset = writer.offset;
writer.write_string ("xref\n");
- writer.write_string ("1 %zu\n".printf (writer.object_offsets.length ()));
+ writer.write_string ("0 %zu\n".printf (writer.object_offsets.length () + 1));
+ writer.write_string ("0000000000 65535 f \n");
foreach (var offset in writer.object_offsets)
writer.write_string ("%010zu 00000 n \n".printf (offset));
/* Trailer */
+ writer.write_string ("\n");
writer.write_string ("trailer\n");
writer.write_string ("<<\n");
- writer.write_string ("/Size %zu\n".printf (writer.object_offsets.length ()));
+ writer.write_string ("/Size %zu\n".printf (writer.object_offsets.length () + 1));
writer.write_string ("/Info %u 0 R\n".printf (info_number));
writer.write_string ("/Root %u 0 R\n".printf (catalog_number));
- //FIXME: writer.write_string ("/ID [<...> <...>]\n");
+ writer.write_string ("/ID [<%s> <%s>]\n".printf (id, id));
writer.write_string (">>\n");
writer.write_string ("startxref\n");
writer.write_string ("%zu\n".printf (xref_offset));