/**
* Test if we have a circle; inertia has been precomputed by caller
*/
double CircleRecognizer::scoreCircle(Stroke* s, Inertia& inertia)
{
if (inertia.getMass() == 0.0)
{
return 0;
}
double sum = 0.0;
double x0 = inertia.centerX();
double y0 = inertia.centerY();
double r0 = inertia.rad();
ArrayIterator<Point> it = s->pointIterator();
if (!it.hasNext())
{
return 0;
}
Point p1 = it.next();
while (it.hasNext())
{
Point p2 = it.next();
double dm = hypot(p2.x - p1.x, p2.y - p1.y);
double deltar = hypot(p1.x - x0, p1.y - y0) - r0;
sum += dm * fabs(deltar);
p1 = p2;
}
return sum / (inertia.getMass() * r0);
}
void VisualDebugger::draw()
{
ArrayIterator<Scene*> iterator = mWorld->getScenes();
mMeshData->mLines.clear();
mMeshData->mColours.clear();
mMeshData->mNbLines = 0;
for (Scene* scene = iterator.begin(); scene = iterator.next();)
{
const NxDebugRenderable* renderable = scene->getScene()->getDebugRenderable();
if (renderable == 0)
continue;
unsigned int nbLines = renderable->getNbLines();
const NxDebugLine* lines = renderable->getLines();
while(nbLines--)
{
mMeshData->mLines.append(lines->p0.x);
mMeshData->mLines.append(lines->p0.y);
mMeshData->mLines.append(lines->p0.z);
mMeshData->mLines.append(lines->p1.x);
mMeshData->mLines.append(lines->p1.y);
mMeshData->mLines.append(lines->p1.z);
mMeshData->mColours.append(lines->color);
mMeshData->mColours.append(lines->color);
lines++;
}
mMeshData->mNbLines += renderable->getNbLines();
}
mRenderable->drawVisualDebugger(mMeshData);
}
Archive* ResourceSystem::openArchive(const String& name, const UniformResourceIdentifier& uri)
{
ResourceProtocol* requestedProtocol = 0;
ArrayIterator<ResourceProtocol*> iterator = mProtocols.getIterator();
for (ResourceProtocol* protocol = iterator.begin(); protocol = iterator.next();)
{
if (protocol->getProtocolHash() == uri.getProtocolHash())
{
requestedProtocol = protocol;
break;
}
}
if (requestedProtocol == 0)
{
SharedStringStream ss(200);
ss << "Could not open archive '" << uri.getLocation() << ":" << uri.getLocation() << "\n"
<< "Reason: Protocol could not be found.";
NxOgre_ThrowError(ss.get());
return 0;
}
Archive* archive = requestedProtocol->openArchive(name, uri);
if (archive == 0)
{
SharedStringStream ss(200);
ss << "Could not open archive '" << uri.getLocation() << ":" << uri.getLocation() << "\n"
<< "Reason: Protocol could not open archive.";
NxOgre_ThrowError(ss.get());
return 0;
}
mArchives.insert(archive);
return archive;
}
static gboolean gtk_xournal_expose(GtkWidget* widget, GdkEventExpose* event)
{
g_return_val_if_fail(widget != NULL, FALSE);
g_return_val_if_fail(GTK_IS_XOURNAL(widget), FALSE);
g_return_val_if_fail(event != NULL, FALSE);
GtkXournal* xournal = GTK_XOURNAL(widget);
gdk_threads_enter();
cairo_t* cr = gdk_cairo_create(GTK_WIDGET(widget)->window);
ArrayIterator<PageView*> it = xournal->view->pageViewIterator();
GtkAllocation alloc = { 0 };
gtk_widget_get_allocation(widget, &alloc);
int lastVisibleX = alloc.width + xournal->x + 10;
int lastVisibleY = alloc.height + xournal->y + 10; //+10 fix to draw the shadow
int firstVisibleX = xournal->x - 10;
int firstVisibleY = xournal->y - 10;
while (it.hasNext())
{
PageView* pv = it.next();
int px = pv->getX();
int py = pv->getY();
int pw = pv->getDisplayWidth();
int ph = pv->getDisplayHeight();
// not visible, its on the right side of the visible area
if (px > lastVisibleX)
{
continue;
}
// not visible, its on the left side of the visible area
if (px + pw < firstVisibleX)
{
continue;
}
// not visible, its on the bottom side of the visible area
if (py > lastVisibleY)
{
continue;
}
// not visible, its on the top side of the visible area
if (py + ph < firstVisibleY)
{
continue;
}
int x = px - xournal->x;
int y = py - xournal->y;
gtk_xournal_draw_shadow(xournal, cr, x, y, pw, ph, pv->isSelected());
cairo_save(cr);
cairo_translate(cr, x, y);
GdkRectangle rect = event->area;
rect.x -= x;
rect.y -= y;
pv->paintPage(cr, &rect);
cairo_restore(cr);
}
if (xournal->selection)
{
double zoom = xournal->view->getZoom();
int px = xournal->selection->getXOnView() * zoom;
int py = xournal->selection->getYOnView() * zoom;
// int pw = xournal->selection->getWidth() * zoom;
// int ph = xournal->selection->getHeight() * zoom;
// not visible, its on the right side of the visible area
if (px > lastVisibleX)
{
printf("Warning: object on right side of visible area.\n");
}
else
// not visible, its on the left side of the visible area
// TODO LOW PRIO this is not working correct if the zoom is small, xournal->x is never smaller than 0
// if (px + pw < firstVisibleX) {
// printf("test2\n");
// } else
// not visible, its on the bottom side of the visible area
if (py > lastVisibleY)
{
printf("Warning: object below visible area.\n");
// } else
// // not visible, its on the top side of the visible area
// if (py + ph < firstVisibleY) {
// printf("test4 %i:: %i\n", py + ph, firstVisibleY);
}
else
{
Redrawable* red = xournal->selection->getView();
cairo_translate(cr, red->getX() - xournal->x, red->getY() - xournal->y);
xournal->selection->paint(cr, zoom);
}
}
cairo_destroy(cr);
gdk_threads_leave();
return true;
}
void ToolHandler::loadSettings()
{
XOJ_CHECK_TYPE(ToolHandler);
SElement& s = settings->getCustomElement("tools");
string selectedTool;
if (s.getString("current", selectedTool))
{
ArrayIterator<Tool*> it = iterator();
for (; it.hasNext();)
{
Tool* t = it.next();
SElement& st = s.child(t->getName());
if (selectedTool == t->getName())
{
this->current = t;
}
int color = 0;
if (t->isEnableColor() && st.getInt("color", color))
{
t->setColor(color);
}
bool enabled = false;
if (t->isEnableRuler() && st.getBool("ruler", enabled))
{
t->setRuler(enabled);
}
if (t->isEnableRectangle() && st.getBool("rectangle", enabled))
{
t->setRectangle(enabled);
}
if (t->isEnableCircle() && st.getBool("circle", enabled))
{
t->setCircle(enabled);
}
if (t->isEnableArrow() && st.getBool("arrow", enabled))
{
t->setArrow(enabled);
}
if (t->isEnableShapeRecognizer() && st.getBool("shapeRecognizer", enabled))
{
t->setShapeRecognizer(enabled);
}
string value;
if (t->isEnableSize() && st.getString("size", value))
{
if (value == "VERY_THIN") t->setSize(TOOL_SIZE_VERY_FINE);
else if (value == "THIN") t->setSize(TOOL_SIZE_FINE);
else if (value == "MEDIUM") t->setSize(TOOL_SIZE_MEDIUM);
else if (value == "BIG") t->setSize(TOOL_SIZE_THICK);
else if (value == "VERY_BIG") t->setSize(TOOL_SIZE_VERY_THICK);
else g_warning("Settings::Unknown tool size: %s\n", value.c_str());
}
if (t->type == TOOL_ERASER)
{
string type;
if (st.getString("type", type))
{
if (type == "deleteStroke") setEraserType(ERASER_TYPE_DELETE_STROKE);
else if (type == "whiteout") setEraserType(ERASER_TYPE_WHITEOUT);
else setEraserType(ERASER_TYPE_DEFAULT);
eraserTypeChanged();
}
}
}
}
}
void ToolHandler::saveSettings()
{
XOJ_CHECK_TYPE(ToolHandler);
SElement& s = settings->getCustomElement("tools");
s.clear();
s.setString("current", this->current->getName());
ArrayIterator<Tool*> it = iterator();
for (; it.hasNext();)
{
Tool* t = it.next();
SElement& st = s.child(t->getName());
if (t->isEnableColor())
{
st.setIntHex("color", t->getColor());
}
if (t->isEnableRuler())
{
st.setBool("ruler", t->isRuler());
}
if (t->isEnableRectangle())
{
st.setBool("rectangle", t->isRectangle());
}
if (t->isEnableCircle())
{
st.setBool("circle", t->isCircle());
}
if (t->isEnableArrow())
{
st.setBool("arrow", t->isArrow());
}
if (t->isEnableShapeRecognizer())
{
st.setBool("shapeRecognizer", t->isShapeRecognizer());
}
if (t->isEnableSize())
{
string value;
switch (t->getSize())
{
case TOOL_SIZE_VERY_FINE:
value = "VERY_THIN";
break;
case TOOL_SIZE_FINE:
value = "THIN";
break;
case TOOL_SIZE_MEDIUM:
value = "MEDIUM";
break;
case TOOL_SIZE_THICK:
value = "BIG";
break;
case TOOL_SIZE_VERY_THICK:
value = "VERY_BIG";
break;
default:
value = "";
}
st.setString("size", value);
}
if (t->type == TOOL_ERASER)
{
if (this->eraserType == ERASER_TYPE_DELETE_STROKE)
{
st.setString("type", "deleteStroke");
}
else if (this->eraserType == ERASER_TYPE_WHITEOUT)
{
st.setString("type", "whiteout");
}
else //ERASER_TYPE_DEFAULT
{
st.setString("type", "default");
}
}
}
settings->customSettingsChanged();
}
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;
}