src/extension/internal/gdkpixbuf-input.cpp

   1 #ifdef HAVE_CONFIG_H
   2 # include <config.h>
   3 #endif
   4 #include "document-private.h"
   5 #include <dir-util.h>
   6 #include "prefs-utils.h"
   7 #include "extension/system.h"
   8 #include "gdkpixbuf-input.h"
   9
  10 namespace Inkscape {
  11
  12 namespace IO {
  13 GdkPixbuf* pixbuf_new_from_file( char const *utf8name, GError **error );
  14 }
  15
  16 namespace Extension {
  17 namespace Internal {
  18
  19 SPDocument *
  20 GdkpixbufInput::open(Inkscape::Extension::Input *mod, char const *uri)
  21 {
  22     SPDocument *doc = sp_document_new(NULL, TRUE, TRUE);
  23     sp_document_set_undo_sensitive(doc, FALSE); // no need to undo in this temporary document
  24     GdkPixbuf *pb = Inkscape::IO::pixbuf_new_from_file( uri, NULL );
  25     Inkscape::XML::Node *rdoc = sp_document_repr_root(doc);
  26     gchar const *docbase = rdoc->attribute("sodipodi:docbase");
  27     gchar const *relname = sp_relative_path_from_path(uri, docbase);
  28
  29     if (pb) {         /* We are readable */
  30         Inkscape::XML::Node *repr = NULL;
  31
  32         double width = gdk_pixbuf_get_width(pb);
  33         double height = gdk_pixbuf_get_height(pb);
  34         gchar const *str = gdk_pixbuf_get_option( pb, "Inkscape::DpiX" );
  35         if ( str )
  36         {
  37             gint dpi = atoi(str);
  38             if ( dpi > 0 && dpi != 72 )
  39             {
  40                 double scale = 72.0 / (double)dpi;
  41                 width *= scale;
  42             }
  43         }
  44         str = gdk_pixbuf_get_option( pb, "Inkscape::DpiY" );
  45         if ( str )
  46         {
  47             gint dpi = atoi(str);
  48             if ( dpi > 0 && dpi != 72 )
  49             {
  50                 double scale = 72.0 / (double)dpi;
  51                 height *= scale;
  52             }
  53         }
  54
  55         if (prefs_get_int_attribute("options.importbitmapsasimages", "value", 1) == 1) {
  56             // import as <image>
  57             repr = sp_repr_new("svg:image");
  58             repr->setAttribute("xlink:href", relname);
  59             repr->setAttribute("sodipodi:absref", uri);
  60
  61             sp_repr_set_svg_double(repr, "width", width);
  62             sp_repr_set_svg_double(repr, "height", height);
  63
  64         } else {
  65             // import as pattern-filled rect
  66             Inkscape::XML::Node *pat = sp_repr_new("svg:pattern");
  67             pat->setAttribute("inkscape:collect", "always");
  68             pat->setAttribute("patternUnits", "userSpaceOnUse");
  69             sp_repr_set_svg_double(pat, "width", width);
  70             sp_repr_set_svg_double(pat, "height", height);
  71             SP_OBJECT_REPR(SP_DOCUMENT_DEFS(doc))->appendChild(pat);
  72             gchar const *pat_id = pat->attribute("id");
  73             SPObject *pat_object = doc->getObjectById(pat_id);
  74
  75             Inkscape::XML::Node *im = sp_repr_new("svg:image");
  76             im->setAttribute("xlink:href", relname);
  77             im->setAttribute("sodipodi:absref", uri);
  78             sp_repr_set_svg_double(im, "width", width);
  79             sp_repr_set_svg_double(im, "height", height);
  80             SP_OBJECT_REPR(pat_object)->addChild(im, NULL);
  81
  82             repr = sp_repr_new("svg:rect");
  83             repr->setAttribute("style", g_strdup_printf("stroke:none;fill:url(#%s)", pat_id));
  84             sp_repr_set_svg_double(repr, "width", width);
  85             sp_repr_set_svg_double(repr, "height", height);
  86         }
  87
  88         SP_DOCUMENT_ROOT(doc)->appendChildRepr(repr);
  89         Inkscape::GC::release(repr);
  90         gdk_pixbuf_unref(pb);
  91         // restore undo, as now this document may be shown to the user if a bitmap was opened
  92         sp_document_set_undo_sensitive(doc, TRUE);
  93     } else {
  94         printf("GdkPixbuf loader failed\n");
  95     }
  96
  97     return doc;
  98 }
  99
 100
 101 void
 102 GdkpixbufInput::init(void)
 103 {
 104     GSList * formatlist, * formatlisthead;
 105
 106     /* \todo I'm not sure if I need to free this list */
 107     for (formatlist = formatlisthead = gdk_pixbuf_get_formats();
 108          formatlist != NULL;
 109          formatlist = g_slist_next(formatlist)) {
 110
 111         GdkPixbufFormat *pixformat = (GdkPixbufFormat *)formatlist->data;
 112
 113         gchar *name =        gdk_pixbuf_format_get_name(pixformat);
 114         gchar *description = gdk_pixbuf_format_get_description(pixformat);
 115         gchar **extensions =  gdk_pixbuf_format_get_extensions(pixformat);
 116         gchar **mimetypes =   gdk_pixbuf_format_get_mime_types(pixformat);
 117
 118         for (int i = 0; extensions[i] != NULL; i++) {
 119         for (int j = 0; mimetypes[j] != NULL; j++) {
 120
 121             /* thanks but no thanks, we'll handle SVG extensions... */
 122             if (strcmp(extensions[i], "svg") == 0) {
 123                 continue;
 124             }
 125             if (strcmp(extensions[i], "svgz") == 0) {
 126                 continue;
 127             }
 128             if (strcmp(extensions[i], "svg.gz") == 0) {
 129                 continue;
 130             }
 131
 132             gchar *xmlString = g_strdup_printf(
 133                 "<inkscape-extension>\n"
 134                     "<name>%s GDK pixbuf Input</name>\n"
 135                     "<id>org.inkscape.input.gdkpixbuf.%s</id>\n"
 136                     "<input>\n"
 137                         "<extension>.%s</extension>\n"
 138                         "<mimetype>%s</mimetype>\n"
 139                         "<filetypename>%s (*.%s)</filetypename>\n"
 140                         "<filetypetooltip>%s</filetypetooltip>\n"
 141                     "</input>\n"
 142                 "</inkscape-extension>",
 143                 name,
 144                 extensions[i],
 145                 extensions[i],
 146                 mimetypes[j],
 147                 name,
 148                 extensions[i],
 149                 description
 150                 );
 151
 152             Inkscape::Extension::build_from_mem(xmlString, new GdkpixbufInput());
 153             g_free(xmlString);
 154         }}
 155
 156         g_free(name);
 157         g_free(description);
 158         g_strfreev(mimetypes);
 159         g_strfreev(extensions);
 160     }
 161
 162     g_slist_free(formatlisthead);
 163 }
 164
 165 } } }  /* namespace Inkscape, Extension, Implementation */
 166
 167 /*
 168   Local Variables:
 169   mode:c++
 170   c-file-style:"stroustrup"
 171   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 172   indent-tabs-mode:nil
 173   fill-column:99
 174   End:
 175 */
 176 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :