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 #include "selection-chemistry.h"
  10
  11 namespace Inkscape {
  12
  13 namespace IO {
  14 GdkPixbuf* pixbuf_new_from_file( char const *utf8name, GError **error );
  15 }
  16
  17 namespace Extension {
  18 namespace Internal {
  19
  20 SPDocument *
  21 GdkpixbufInput::open(Inkscape::Extension::Input *mod, char const *uri)
  22 {
  23     SPDocument *doc = sp_document_new(NULL, TRUE, TRUE);
  24     bool saved = sp_document_get_undo_sensitive(doc);
  25     sp_document_set_undo_sensitive(doc, false); // no need to undo in this temporary document
  26     GdkPixbuf *pb = Inkscape::IO::pixbuf_new_from_file( uri, NULL );
  27     Inkscape::XML::Node *rdoc = sp_document_repr_root(doc);
  28     gchar const *docbase = rdoc->attribute("sodipodi:docbase");
  29     gchar const *relname = sp_relative_path_from_path(uri, docbase);
  30
  31     if (pb) {         /* We are readable */
  32         Inkscape::XML::Node *repr = NULL;
  33
  34         double width = gdk_pixbuf_get_width(pb);
  35         double height = gdk_pixbuf_get_height(pb);
  36         gchar const *str = gdk_pixbuf_get_option( pb, "Inkscape::DpiX" );
  37         if ( str )
  38         {
  39             gint dpi = atoi(str);
  40             if ( dpi > 0 && dpi != 72 )
  41             {
  42                 double scale = 72.0 / (double)dpi;
  43                 width *= scale;
  44             }
  45         }
  46         str = gdk_pixbuf_get_option( pb, "Inkscape::DpiY" );
  47         if ( str )
  48         {
  49             gint dpi = atoi(str);
  50             if ( dpi > 0 && dpi != 72 )
  51             {
  52                 double scale = 72.0 / (double)dpi;
  53                 height *= scale;
  54             }
  55         }
  56
  57         if (prefs_get_int_attribute("options.importbitmapsasimages", "value", 1) == 1) {
  58             // import as <image>
  59             repr = sp_repr_new("svg:image");
  60             repr->setAttribute("xlink:href", relname);
  61             repr->setAttribute("sodipodi:absref", uri);
  62
  63             sp_repr_set_svg_double(repr, "width", width);
  64             sp_repr_set_svg_double(repr, "height", height);
  65
  66         } else {
  67             // import as pattern-filled rect
  68             Inkscape::XML::Node *pat = sp_repr_new("svg:pattern");
  69             pat->setAttribute("inkscape:collect", "always");
  70             pat->setAttribute("patternUnits", "userSpaceOnUse");
  71             sp_repr_set_svg_double(pat, "width", width);
  72             sp_repr_set_svg_double(pat, "height", height);
  73             SP_OBJECT_REPR(SP_DOCUMENT_DEFS(doc))->appendChild(pat);
  74             gchar const *pat_id = pat->attribute("id");
  75             SPObject *pat_object = doc->getObjectById(pat_id);
  76
  77             Inkscape::XML::Node *im = sp_repr_new("svg:image");
  78             im->setAttribute("xlink:href", relname);
  79             im->setAttribute("sodipodi:absref", uri);
  80             sp_repr_set_svg_double(im, "width", width);
  81             sp_repr_set_svg_double(im, "height", height);
  82             SP_OBJECT_REPR(pat_object)->addChild(im, NULL);
  83
  84             repr = sp_repr_new("svg:rect");
  85             repr->setAttribute("style", g_strdup_printf("stroke:none;fill:url(#%s)", pat_id));
  86             sp_repr_set_svg_double(repr, "width", width);
  87             sp_repr_set_svg_double(repr, "height", height);
  88         }
  89
  90         SP_DOCUMENT_ROOT(doc)->appendChildRepr(repr);
  91         Inkscape::GC::release(repr);
  92         gdk_pixbuf_unref(pb);
  93         //alter the canvas size to fit the image size
  94         fit_canvas_to_drawing(doc);
  95         // restore undo, as now this document may be shown to the user if a bitmap was opened
  96         sp_document_set_undo_sensitive(doc, saved);
  97     } else {
  98         printf("GdkPixbuf loader failed\n");
  99     }
 100
 101     return doc;
 102 }
 103
 104 #include "clear-n_.h"
 105
 106 void
 107 GdkpixbufInput::init(void)
 108 {
 109     GSList * formatlist, * formatlisthead;
 110
 111     /* \todo I'm not sure if I need to free this list */
 112     for (formatlist = formatlisthead = gdk_pixbuf_get_formats();
 113          formatlist != NULL;
 114          formatlist = g_slist_next(formatlist)) {
 115
 116         GdkPixbufFormat *pixformat = (GdkPixbufFormat *)formatlist->data;
 117
 118         gchar *name =        gdk_pixbuf_format_get_name(pixformat);
 119         gchar *description = gdk_pixbuf_format_get_description(pixformat);
 120         gchar **extensions =  gdk_pixbuf_format_get_extensions(pixformat);
 121         gchar **mimetypes =   gdk_pixbuf_format_get_mime_types(pixformat);
 122
 123         for (int i = 0; extensions[i] != NULL; i++) {
 124         for (int j = 0; mimetypes[j] != NULL; j++) {
 125
 126             /* thanks but no thanks, we'll handle SVG extensions... */
 127             if (strcmp(extensions[i], "svg") == 0) {
 128                 continue;
 129             }
 130             if (strcmp(extensions[i], "svgz") == 0) {
 131                 continue;
 132             }
 133             if (strcmp(extensions[i], "svg.gz") == 0) {
 134                 continue;
 135             }
 136
 137             gchar *xmlString = g_strdup_printf(
 138                 "<inkscape-extension>\n"
 139                     "<name>" N_("%s GDK pixbuf Input") "</name>\n"
 140                     "<id>org.inkscape.input.gdkpixbuf.%s</id>\n"
 141                     "<input>\n"
 142                         "<extension>.%s</extension>\n"
 143                         "<mimetype>%s</mimetype>\n"
 144                         "<filetypename>%s (*.%s)</filetypename>\n"
 145                         "<filetypetooltip>%s</filetypetooltip>\n"
 146                     "</input>\n"
 147                 "</inkscape-extension>",
 148                 name,
 149                 extensions[i],
 150                 extensions[i],
 151                 mimetypes[j],
 152                 name,
 153                 extensions[i],
 154                 description
 155                 );
 156
 157             Inkscape::Extension::build_from_mem(xmlString, new GdkpixbufInput());
 158             g_free(xmlString);
 159         }}
 160
 161         g_free(name);
 162         g_free(description);
 163         g_strfreev(mimetypes);
 164         g_strfreev(extensions);
 165     }
 166
 167     g_slist_free(formatlisthead);
 168 }
 169
 170 } } }  /* namespace Inkscape, Extension, Implementation */
 171
 172 /*
 173   Local Variables:
 174   mode:c++
 175   c-file-style:"stroustrup"
 176   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 177   indent-tabs-mode:nil
 178   fill-column:99
 179   End:
 180 */
 181 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :