bool ImageHandler::insertImage(GFile * file, double x, double y) {
XOJ_CHECK_TYPE(ImageHandler);
GError * err = NULL;
GFileInputStream * in = g_file_read(file, NULL, &err);
g_object_unref(file);
GdkPixbuf * pixbuf = NULL;
if (!err) {
pixbuf = gdk_pixbuf_new_from_stream(G_INPUT_STREAM(in), NULL, &err);
g_input_stream_close(G_INPUT_STREAM(in), NULL, NULL);
} else {
GtkWidget * dialog = gtk_message_dialog_new((GtkWindow*) *control->getWindow(), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
_("This image could not be loaded. Error message: %s"), err->message);
gtk_window_set_transient_for(GTK_WINDOW(dialog), GTK_WINDOW(this->control->getWindow()->getWindow()));
gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
g_error_free(err);
return false;
}
Image * img = new Image();
img->setX(x);
img->setY(y);
img->setImage(pixbuf);
int width = gdk_pixbuf_get_width(pixbuf);
int height = gdk_pixbuf_get_height(pixbuf);
gdk_pixbuf_unref(pixbuf);
double zoom = 1;
PageRef page = view->getPage();
if (x + width > page.getWidth() || y + height > page.getHeight()) {
double maxZoomX = (page.getWidth() - x) / width;
double maxZoomY = (page.getHeight() - y) / height;
if (maxZoomX < maxZoomY) {
zoom = maxZoomX;
} else {
zoom = maxZoomY;
}
}
img->setWidth(width * zoom);
img->setHeight(height * zoom);
page.getSelectedLayer()->addElement(img);
InsertUndoAction * insertUndo = new InsertUndoAction(page, page.getSelectedLayer(), img, view);
control->getUndoRedoHandler()->addUndoAction(insertUndo);
view->rerenderElement(img);
return true;
}
/**
* Finishes all pending changes, move the elements, scale the elements and add
* them to new layer if any or to the old if no new layer
*/
void EditSelection::finalizeSelection() {
XOJ_CHECK_TYPE(EditSelection);
PageView * v = getBestMatchingPageView();
if (v == NULL) {
this->view->getXournal()->deleteSelection(this);
} else {
PageRef page = this->view->getPage();
Layer * layer = page.getSelectedLayer();
this->contents->finalizeSelection(this->x, this->y, this->width, this->height, this->aspectRatio, layer, page, this->view, this->undo);
this->view->rerenderRect(this->x, this->y, this->width, this->height);
// This is needed if the selection not was 100% on a page
this->view->getXournal()->repaintSelection(true);
}
}
void InputHandler::onButtonReleaseEvent(GdkEventButton * event, PageRef page) {
XOJ_CHECK_TYPE(InputHandler);
if (!this->tmpStroke) {
return;
}
// Backward compatibility and also easier to handle for me;-)
// I cannot draw a line with one point, to draw a visible line I need two points,
// twice the same Point is also OK
if (this->tmpStroke->getPointCount() == 1) {
ArrayIterator<Point> it = this->tmpStroke->pointIterator();
if (it.hasNext()) {
this->tmpStroke->addPoint(it.next());
}
// No pressure sensitivity
this->tmpStroke->clearPressure();
}
this->tmpStroke->freeUnusedPointItems();
if (page.getSelectedLayerId() < 1) {
// This creates a layer if none exists
page.getSelectedLayer();
page.setSelectedLayerId(1);
xournal->getControl()->getWindow()->updateLayerCombobox();
}
Layer * layer = page.getSelectedLayer();
UndoRedoHandler * undo = xournal->getControl()->getUndoRedoHandler();
undo->addUndoAction(new InsertUndoAction(page, layer, this->tmpStroke, this->redrawable));
ToolHandler * h = xournal->getControl()->getToolHandler();
if (h->isShapeRecognizer()) {
if (this->reco == NULL) {
this->reco = new ShapeRecognizer();
}
ShapeRecognizerResult * result = this->reco->recognizePatterns(this->tmpStroke);
if (result != NULL) {
UndoRedoHandler * undo = xournal->getControl()->getUndoRedoHandler();
Stroke * recognized = result->getRecognized();
RecognizerUndoAction * recognizerUndo = new RecognizerUndoAction(page, this->redrawable, layer, this->tmpStroke, recognized);
undo->addUndoAction(recognizerUndo);
layer->addElement(result->getRecognized());
Range range(recognized->getX(), recognized->getY());
range.addPoint(recognized->getX() + recognized->getElementWidth(), recognized->getY() + recognized->getElementHeight());
range.addPoint(this->tmpStroke->getX(), this->tmpStroke->getY());
range.addPoint(this->tmpStroke->getX() + this->tmpStroke->getElementWidth(), this->tmpStroke->getY() + this->tmpStroke->getElementHeight());
ListIterator<Stroke *> l = result->getSources();
while (l.hasNext()) {
Stroke * s = l.next();
layer->removeElement(s, false);
recognizerUndo->addSourceElement(s);
range.addPoint(s->getX(), s->getY());
range.addPoint(s->getX() + s->getElementWidth(), s->getY() + s->getElementHeight());
}
this->redrawable->rerenderRange(range);
// delete the result object, this is not needed anymore, the stroke are not deleted with this
delete result;
} else {
layer->addElement(this->tmpStroke);
this->redrawable->rerenderElement(this->tmpStroke);
}
} else {
layer->addElement(this->tmpStroke);
this->redrawable->rerenderElement(this->tmpStroke);
}
this->tmpStroke = NULL;
if (currentInputDevice == event->device) {
currentInputDevice = NULL;
INPUTDBG("currentInputDevice = NULL\n", 0);
}
this->tmpStrokeDrawElem = 0;
}
