diff options
Diffstat (limited to 'src/book.vala')
| -rw-r--r-- | src/book.vala | 78 |
1 files changed, 35 insertions, 43 deletions
diff --git a/src/book.vala b/src/book.vala index a4e6cdd..97e49a8 100644 --- a/src/book.vala +++ b/src/book.vala @@ -13,7 +13,20 @@ public class Book { private List<Page> pages; - private bool needs_saving; + public uint n_pages { get { return pages.length (); } } + + private bool needs_saving_; + public bool needs_saving + { + get { return needs_saving_; } + set + { + if (needs_saving_ == value) + return; + needs_saving_ = value; + needs_saving_changed (); + } + } public signal void page_added (Page page); public signal void page_removed (Page page); @@ -49,20 +62,17 @@ public class Book private void page_changed_cb (Page page) { - set_needs_saving (true); + needs_saving = true; } - public Page append_page (int width, int height, int dpi, ScanDirection scan_direction) + public void append_page (Page page) { - var page = new Page (width, height, dpi, scan_direction); page.pixels_changed.connect (page_changed_cb); page.crop_changed.connect (page_changed_cb); pages.append (page); page_added (page); - set_needs_saving (true); - - return page; + needs_saving = true; } public void move_page (Page page, uint location) @@ -70,7 +80,7 @@ public class Book pages.remove (page); pages.insert (page, (int) location); reordered (); - set_needs_saving (true); + needs_saving = true; } public void delete_page (Page page) @@ -79,12 +89,7 @@ public class Book page.crop_changed.disconnect (page_changed_cb); page_removed (page); pages.remove (page); - set_needs_saving (true); - } - - public uint get_n_pages () - { - return pages.length (); + needs_saving = true; } public Page get_page (int page_number) @@ -101,7 +106,7 @@ public class Book private File make_indexed_file (string uri, int i) { - if (get_n_pages () == 1) + if (n_pages == 1) return File.new_for_uri (uri); /* Insert index before extension */ @@ -113,7 +118,7 @@ public class Book suffix = basename.slice (extension_index, basename.length); prefix = uri.slice (0, uri.length - suffix.length); } - var width = get_n_pages ().to_string().length; + var width = n_pages.to_string().length; var number_format = "%%0%dd".printf (width); var filename = prefix + "-" + number_format.printf (i + 1) + suffix; return File.new_for_uri (filename); @@ -121,7 +126,7 @@ public class Book private void save_multi_file (string type, int quality, File file) throws Error { - for (var i = 0; i < get_n_pages (); i++) + for (var i = 0; i < n_pages; i++) { var page = get_page (i); page.save (type, quality, make_indexed_file (file.get_uri (), i)); @@ -144,14 +149,14 @@ public class Book var writer = new PsWriter (stream); var surface = writer.surface; - for (var i = 0; i < get_n_pages (); i++) + for (var i = 0; i < n_pages; i++) { var page = get_page (i); var image = page.get_image (true); - var width = image.get_width () * 72.0 / page.get_dpi (); - var height = image.get_height () * 72.0 / page.get_dpi (); + var width = image.get_width () * 72.0 / page.dpi; + var height = image.get_height () * 72.0 / page.dpi; surface.set_size (width, height); - save_ps_pdf_surface (surface, image, page.get_dpi ()); + save_ps_pdf_surface (surface, image, page.dpi); surface.show_page (); saving (i); } @@ -248,22 +253,22 @@ public class Book writer.write_string ("<<\n"); writer.write_string ("/Type /Pages\n"); writer.write_string ("/Kids ["); - for (var i = 0; i < get_n_pages (); i++) + for (var i = 0; i < n_pages; i++) writer.write_string (" %u 0 R".printf (pages_number + 1 + (i*3))); writer.write_string (" ]\n"); - writer.write_string ("/Count %u\n".printf (get_n_pages ())); + writer.write_string ("/Count %u\n".printf (n_pages)); writer.write_string (">>\n"); writer.write_string ("endobj\n"); - for (var i = 0; i < get_n_pages (); i++) + for (var i = 0; i < n_pages; i++) { var page = get_page (i); var image = page.get_image (true); var width = image.get_width (); var height = image.get_height (); unowned uint8[] pixels = image.get_pixels (); - var page_width = width * 72.0 / page.get_dpi (); - var page_height = height * 72.0 / page.get_dpi (); + var page_width = width * 72.0 / page.dpi; + var page_height = height * 72.0 / page.dpi; int depth = 8; string color_space = "DeviceRGB"; @@ -271,7 +276,7 @@ public class Book char[] width_buffer = new char[double.DTOSTR_BUF_SIZE]; char[] height_buffer = new char[double.DTOSTR_BUF_SIZE]; uint8[] data; - if (page.is_color ()) + if (page.is_color) { depth = 8; color_space = "DeviceRGB"; @@ -292,7 +297,7 @@ public class Book } } } - else if (page.get_depth () == 2) + else if (page.depth == 2) { int shift_count = 6; depth = 2; @@ -336,7 +341,7 @@ public class Book } } } - else if (page.get_depth () == 1) + else if (page.depth == 1) { int mask = 0x80; @@ -397,7 +402,7 @@ public class Book /* Try if JPEG compression is better */ if (depth > 1) { - var jpeg_data = compress_jpeg (image, quality, page.get_dpi ()); + var jpeg_data = compress_jpeg (image, quality, page.dpi); if (jpeg_data.length < compressed_data.length) { filter = "DCTDecode"; @@ -509,19 +514,6 @@ public class Book break; } } - - public void set_needs_saving (bool needs_saving) - { - var needed_saving = this.needs_saving; - this.needs_saving = needs_saving; - if (needed_saving != needs_saving) - needs_saving_changed (); - } - - public bool get_needs_saving () - { - return needs_saving; - } } private class PDFWriter |