trunk/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 "extension/system.h"
   7 #include "gdkpixbuf-input.h"
   8 #include "selection-chemistry.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     GdkPixbuf *pb = Inkscape::IO::pixbuf_new_from_file( uri, NULL );
  24
  25     if (pb) {         /* We are readable */
  26         bool saved = sp_document_get_undo_sensitive(doc);
  27         sp_document_set_undo_sensitive(doc, false); // no need to undo in this temporary document
  28
  29         Inkscape::XML::Node *repr = NULL;
  30
  31         double width = gdk_pixbuf_get_width(pb);
  32         double height = gdk_pixbuf_get_height(pb);
  33         gchar const *str = gdk_pixbuf_get_option( pb, "Inkscape::DpiX" );
  34         if ( str )
  35         {
  36             gint dpi = atoi(str);
  37             if ( dpi > 0 && dpi != 72 )
  38             {
  39                 double scale = 72.0 / (double)dpi;
  40                 width *= scale;
  41             }
  42         }
  43         str = gdk_pixbuf_get_option( pb, "Inkscape::DpiY" );
  44         if ( str )
  45         {
  46             gint dpi = atoi(str);
  47             if ( dpi > 0 && dpi != 72 )
  48             {
  49                 double scale = 72.0 / (double)dpi;
  50                 height *= scale;
  51             }
  52         }
  53
  54         Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
  55         // import as <image>
  56         repr = xml_doc->createElement("svg:image");
  57         // both are the same, as we don't know our base dir here and cannot relativate href (importer will fixupHrefs):
  58         repr->setAttribute("xlink:href", uri);
  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         SP_DOCUMENT_ROOT(doc)->appendChildRepr(repr);
  65         Inkscape::GC::release(repr);
  66         gdk_pixbuf_unref(pb);
  67         //alter the canvas size to fit the image size
  68         fit_canvas_to_drawing(doc);
  69         // restore undo, as now this document may be shown to the user if a bitmap was opened
  70         sp_document_set_undo_sensitive(doc, saved);
  71     } else {
  72         printf("GdkPixbuf loader failed\n");
  73     }
  74
  75     return doc;
  76 }
  77
  78 #include "clear-n_.h"
  79
  80 void
  81 GdkpixbufInput::init(void)
  82 {
  83     GSList * formatlist, * formatlisthead;
  84
  85     /* \todo I'm not sure if I need to free this list */
  86     for (formatlist = formatlisthead = gdk_pixbuf_get_formats();
  87          formatlist != NULL;
  88          formatlist = g_slist_next(formatlist)) {
  89
  90         GdkPixbufFormat *pixformat = (GdkPixbufFormat *)formatlist->data;
  91
  92         gchar *name =        gdk_pixbuf_format_get_name(pixformat);
  93         gchar *description = gdk_pixbuf_format_get_description(pixformat);
  94         gchar **extensions =  gdk_pixbuf_format_get_extensions(pixformat);
  95         gchar **mimetypes =   gdk_pixbuf_format_get_mime_types(pixformat);
  96
  97         for (int i = 0; extensions[i] != NULL; i++) {
  98         for (int j = 0; mimetypes[j] != NULL; j++) {
  99
 100             /* thanks but no thanks, we'll handle SVG extensions... */
 101             if (strcmp(extensions[i], "svg") == 0) {
 102                 continue;
 103             }
 104             if (strcmp(extensions[i], "svgz") == 0) {
 105                 continue;
 106             }
 107             if (strcmp(extensions[i], "svg.gz") == 0) {
 108                 continue;
 109             }
 110
 111             gchar *xmlString = g_strdup_printf(
 112                 "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 113                     "<name>" N_("%s GDK pixbuf Input") "</name>\n"
 114                     "<id>org.inkscape.input.gdkpixbuf.%s</id>\n"
 115                     "<input>\n"
 116                         "<extension>.%s</extension>\n"
 117                         "<mimetype>%s</mimetype>\n"
 118                         "<filetypename>%s (*.%s)</filetypename>\n"
 119                         "<filetypetooltip>%s</filetypetooltip>\n"
 120                     "</input>\n"
 121                 "</inkscape-extension>",
 122                 name,
 123                 extensions[i],
 124                 extensions[i],
 125                 mimetypes[j],
 126                 name,
 127                 extensions[i],
 128                 description
 129                 );
 130
 131             Inkscape::Extension::build_from_mem(xmlString, new GdkpixbufInput());
 132             g_free(xmlString);
 133         }}
 134
 135         g_free(name);
 136         g_free(description);
 137         g_strfreev(mimetypes);
 138         g_strfreev(extensions);
 139     }
 140
 141     g_slist_free(formatlisthead);
 142 }
 143
 144 } } }  /* namespace Inkscape, Extension, Implementation */
 145
 146 /*
 147   Local Variables:
 148   mode:c++
 149   c-file-style:"stroustrup"
 150   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 151   indent-tabs-mode:nil
 152   fill-column:99
 153   End:
 154 */
 155 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :