gdkpixbuf-input.cpp revision af768e2870043b0cb44827e9c412b2ce419cbafd
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <glib/gprintf.h>
#include "document-private.h"
#include <dir-util.h>
#include "extension/input.h"
#include "extension/system.h"
#include "gdkpixbuf-input.h"
#include "selection-chemistry.h"
#include "sp-image.h"
namespace Inkscape {
namespace IO {
GdkPixbuf* pixbuf_new_from_file( char const *utf8name, GError **error );
}
namespace Extension {
namespace Internal {
static std::set<Glib::ustring> create_lossy_set()
{
std::set<Glib::ustring> lossy;
lossy.insert(".jpg");
lossy.insert(".jpeg");
return lossy;
}
SPDocument *
GdkpixbufInput::open(Inkscape::Extension::Input *mod, char const *uri)
{
bool embed = (strcmp(mod->get_param_optiongroup("link"), "embed") == 0);
SPDocument *doc = NULL;
GdkPixbuf *pb = Inkscape::IO::pixbuf_new_from_file( uri, NULL );
static std::set<Glib::ustring> lossy = create_lossy_set();
if (pb) { /* We are readable */
bool is_lossy;
Glib::ustring mime_type, ext;
Glib::ustring u = uri;
std::size_t dotpos = u.rfind('.');
if (dotpos != Glib::ustring::npos) {
ext = u.substr(dotpos, Glib::ustring::npos);
}
// HACK: replace with something better based on GIO
if (!ext.empty() && lossy.find(ext) != lossy.end()) {
is_lossy = true;
mime_type = "image/jpeg";
} else {
is_lossy = false;
mime_type = "image/png";
}
doc = sp_document_new(NULL, TRUE, TRUE);
bool saved = sp_document_get_undo_sensitive(doc);
sp_document_set_undo_sensitive(doc, false); // no need to undo in this temporary document
double width = gdk_pixbuf_get_width(pb);
double height = gdk_pixbuf_get_height(pb);
gchar const *str = gdk_pixbuf_get_option( pb, "Inkscape::DpiX" );
if ( str ) {
gint dpi = atoi(str);
if ( dpi > 0 && dpi != 72 ) {
double scale = 72.0 / (double)dpi;
width *= scale;
}
}
str = gdk_pixbuf_get_option( pb, "Inkscape::DpiY" );
if ( str ) {
gint dpi = atoi(str);
if ( dpi > 0 && dpi != 72 ) {
double scale = 72.0 / (double)dpi;
height *= scale;
}
}
// Create image node
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
Inkscape::XML::Node *image_node = xml_doc->createElement("svg:image");
sp_repr_set_svg_double(image_node, "width", width);
sp_repr_set_svg_double(image_node, "height", height);
if (embed) {
sp_embed_image(image_node, pb, mime_type);
} else {
// convert filename to uri
gchar* _uri = g_filename_to_uri(uri, NULL, NULL);
if(_uri) {
image_node->setAttribute("xlink:href", _uri);
g_free(_uri);
} else {
image_node->setAttribute("xlink:href", uri);
}
}
g_object_unref(pb);
// Add it to the current layer
SP_DOCUMENT_ROOT(doc)->appendChildRepr(image_node);
Inkscape::GC::release(image_node);
fit_canvas_to_drawing(doc);
// restore undo, as now this document may be shown to the user if a bitmap was opened
sp_document_set_undo_sensitive(doc, saved);
} else {
printf("GdkPixbuf loader failed\n");
}
return doc;
}
#include "clear-n_.h"
void
GdkpixbufInput::init(void)
{
GSList * formatlist, * formatlisthead;
/* \todo I'm not sure if I need to free this list */
for (formatlist = formatlisthead = gdk_pixbuf_get_formats();
formatlist != NULL;
formatlist = g_slist_next(formatlist)) {
GdkPixbufFormat *pixformat = (GdkPixbufFormat *)formatlist->data;
gchar *name = gdk_pixbuf_format_get_name(pixformat);
gchar *description = gdk_pixbuf_format_get_description(pixformat);
gchar **extensions = gdk_pixbuf_format_get_extensions(pixformat);
gchar **mimetypes = gdk_pixbuf_format_get_mime_types(pixformat);
for (int i = 0; extensions[i] != NULL; i++) {
for (int j = 0; mimetypes[j] != NULL; j++) {
/* thanks but no thanks, we'll handle SVG extensions... */
if (strcmp(extensions[i], "svg") == 0) {
continue;
}
if (strcmp(extensions[i], "svgz") == 0) {
continue;
}
if (strcmp(extensions[i], "svg.gz") == 0) {
continue;
}
gchar *xmlString = g_strdup_printf(
"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
"<name>" N_("%s GDK pixbuf Input") "</name>\n"
"<id>org.inkscape.input.gdkpixbuf.%s</id>\n"
"<param name='link' type='optiongroup' appearance='full' _gui-text='" N_("Link or embed image:") "' >\n"
"<_option value='embed'>" N_("embed") "</_option>\n"
"<_option value='link'>" N_("link") "</_option>\n"
"</param>\n"
"<_param name='help' type='description'>" N_("Embed results in stand-alone, larger SVG files. Link references a file outside this SVG document and all files must be moved together.") "</_param>\n"
"<input>\n"
"<extension>.%s</extension>\n"
"<mimetype>%s</mimetype>\n"
"<filetypename>%s (*.%s)</filetypename>\n"
"<filetypetooltip>%s</filetypetooltip>\n"
"</input>\n"
"</inkscape-extension>",
name,
extensions[i],
extensions[i],
mimetypes[j],
name,
extensions[i],
description
);
Inkscape::Extension::build_from_mem(xmlString, new GdkpixbufInput());
g_free(xmlString);
}}
g_free(name);
g_free(description);
g_strfreev(mimetypes);
g_strfreev(extensions);
}
g_slist_free(formatlisthead);
}
} } } /* namespace Inkscape, Extension, Implementation */
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :