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