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// SPDX-License-Identifier: GPL-2.0-or-later
/** @file
* TODO: insert short description here
*//*
* Authors: see git history
*
* Copyright (C) 2018 Authors
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include <set>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gdkmm/pixbuf.h>
#include <gdkmm/pixbufformat.h>
#include <glib/gprintf.h>
#include <glibmm/i18n.h>
#include "document.h"
#include "document-undo.h"
#include "gdkpixbuf-input.h"
#include "image-resolution.h"
#include "preferences.h"
#include "selection-chemistry.h"
#include "display/cairo-utils.h"
#include "extension/input.h"
#include "extension/system.h"
#include "io/dir-util.h"
#include "object/sp-image.h"
#include "object/sp-root.h"
#include "util/units.h"
namespace Inkscape {
namespace Extension {
namespace Internal {
SPDocument *
GdkpixbufInput::open(Inkscape::Extension::Input *mod, char const *uri)
{
// Determine whether the image should be embedded
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
bool ask = prefs->getBool( "/dialogs/import/ask");
bool forcexdpi = prefs->getBool( "/dialogs/import/forcexdpi");
Glib::ustring link = prefs->getString("/dialogs/import/link");
Glib::ustring scale = prefs->getString("/dialogs/import/scale");
// If we asked about import preferences, get values and update preferences.
if (ask) {
ask = !mod->get_param_bool("do_not_ask");
forcexdpi = (strcmp(mod->get_param_optiongroup("dpi"), "from_default") == 0);
link = mod->get_param_optiongroup("link");
scale = mod->get_param_optiongroup("scale");
prefs->setBool( "/dialogs/import/ask", ask );
prefs->setBool( "/dialogs/import/forcexdpi", forcexdpi);
prefs->setString("/dialogs/import/link", link );
prefs->setString("/dialogs/import/scale", scale );
}
bool embed = (link == "embed");
SPDocument *doc = nullptr;
std::unique_ptr<Inkscape::Pixbuf> pb(Inkscape::Pixbuf::create_from_file(uri));
// TODO: the pixbuf is created again from the base64-encoded attribute in SPImage.
// Find a way to create the pixbuf only once.
if (pb) {
doc = SPDocument::createNewDoc(nullptr, TRUE, TRUE);
bool saved = DocumentUndo::getUndoSensitive(doc);
DocumentUndo::setUndoSensitive(doc, false); // no need to undo in this temporary document
double width = pb->width();
double height = pb->height();
double defaultxdpi = prefs->getDouble("/dialogs/import/defaultxdpi/value", Inkscape::Util::Quantity::convert(1, "in", "px"));
ImageResolution *ir = nullptr;
double xscale = 1;
double yscale = 1;
if (!ir && !forcexdpi) {
ir = new ImageResolution(uri);
}
if (ir && ir->ok()) {
xscale = 960.0 / round(10.*ir->x()); // round-off to 0.1 dpi
yscale = 960.0 / round(10.*ir->y());
// prevent crash on image with too small dpi (bug 1479193)
if (ir->x() <= .05)
xscale = 960.0;
if (ir->y() <= .05)
yscale = 960.0;
} else {
xscale = 96.0 / defaultxdpi;
yscale = 96.0 / defaultxdpi;
}
width *= xscale;
height *= yscale;
doc->setWidthAndHeight(Util::Quantity(width, "px"), Util::Quantity(height, "px"));
delete ir; // deleting NULL is safe
// Create image node
Inkscape::XML::Document *xml_doc = doc->getReprDoc();
Inkscape::XML::Node *image_node = xml_doc->createElement("svg:image");
image_node->setAttributeSvgDouble("width", width);
image_node->setAttributeSvgDouble("height", height);
// Set default value as we honor "preserveAspectRatio".
image_node->setAttribute("preserveAspectRatio", "none");
// This is actually 'image-rendering'.
if( scale.compare( "auto" ) != 0 ) {
SPCSSAttr *css = sp_repr_css_attr_new();
sp_repr_css_set_property(css, "image-rendering", scale.c_str());
sp_repr_css_set(image_node, css, "style");
sp_repr_css_attr_unref( css );
}
if (embed) {
sp_embed_image(image_node, pb.get());
} else {
// convert filename to uri
gchar* _uri = g_filename_to_uri(uri, nullptr, nullptr);
if(_uri) {
image_node->setAttribute("xlink:href", _uri);
g_free(_uri);
} else {
image_node->setAttribute("xlink:href", uri);
}
}
// Add it to the current layer
Inkscape::XML::Node *layer_node = xml_doc->createElement("svg:g");
layer_node->setAttribute("inkscape:groupmode", "layer");
layer_node->setAttribute("inkscape:label", "Image");
doc->getRoot()->appendChildRepr(layer_node);
layer_node->appendChild(image_node);
Inkscape::GC::release(image_node);
Inkscape::GC::release(layer_node);
fit_canvas_to_drawing(doc);
// Set viewBox if it doesn't exist
if (!doc->getRoot()->viewBox_set) {
// std::cerr << "Viewbox not set, setting" << std::endl;
doc->setViewBox(Geom::Rect::from_xywh(0, 0, doc->getWidth().value(doc->getDisplayUnit()), doc->getHeight().value(doc->getDisplayUnit())));
}
// restore undo, as now this document may be shown to the user if a bitmap was opened
DocumentUndo::setUndoSensitive(doc, saved);
} else {
printf("GdkPixbuf loader failed\n");
}
return doc;
}
#include "clear-n_.h"
void
GdkpixbufInput::init()
{
static std::vector< Gdk::PixbufFormat > formatlist = Gdk::Pixbuf::get_formats();
for (auto i: formatlist) {
GdkPixbufFormat *pixformat = i.gobj();
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] != nullptr; i++) {
for (int j = 0; mimetypes[j] != nullptr; 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 *caption = g_strdup_printf(_("%s bitmap image import"), name);
// clang-format off
gchar *xmlString = g_strdup_printf(
"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
"<name>%s</name>\n"
"<id>org.inkscape.input.gdkpixbuf.%s</id>\n"
"<param name='link' type='optiongroup' gui-text='" N_("Image Import Type:") "' gui-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.") "' >\n"
"<option value='embed' >" N_("Embed") "</option>\n"
"<option value='link' >" N_("Link") "</option>\n"
"</param>\n"
"<param name='dpi' type='optiongroup' gui-text='" N_("Image DPI:") "' gui-description='" N_("Take information from file or use default bitmap import resolution as defined in the preferences.") "' >\n"
"<option value='from_file' >" N_("From file") "</option>\n"
"<option value='from_default' >" N_("Default import resolution") "</option>\n"
"</param>\n"
"<param name='scale' type='optiongroup' gui-text='" N_("Image Rendering Mode:") "' gui-description='" N_("When an image is upscaled, apply smoothing or keep blocky (pixelated). (Will not work in all browsers.)") "' >\n"
"<option value='auto' >" N_("None (auto)") "</option>\n"
"<option value='optimizeQuality' >" N_("Smooth (optimizeQuality)") "</option>\n"
"<option value='optimizeSpeed' >" N_("Blocky (optimizeSpeed)") "</option>\n"
"</param>\n"
"<param name=\"do_not_ask\" gui-description='" N_("Hide the dialog next time and always apply the same actions.") "' gui-text=\"" N_("Don't ask again") "\" type=\"bool\" >false</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>",
caption,
extensions[i],
extensions[i],
mimetypes[j],
name,
extensions[i],
description
);
// clang-format off
Inkscape::Extension::build_from_mem(xmlString, new GdkpixbufInput());
g_free(xmlString);
g_free(caption);
}}
g_free(name);
g_free(description);
g_strfreev(mimetypes);
g_strfreev(extensions);
}
}
} } } /* 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:fileencoding=utf-8:textwidth=99 :
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