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* Calculate model dimensions
This commit is contained in:
neoraider 2008-04-15 20:43:02 +00:00
parent bb09e9e703
commit cfd608527e
5 changed files with 95 additions and 51 deletions
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96
src/Gui/RenderArea.cpp
View file

@ -49,20 +49,16 @@ RenderArea::RenderArea(BaseObjectType *cobject, const Glib::RefPtr<Gnome::Glade:
Gtk::ToolButton *button;
xml->get_widget("ToolButtonZoomIn", button);
if(button)
button->signal_clicked().connect(sigc::bind(sigc::mem_fun(this, &RenderArea::zoom), 2, 0.5f, 0.5f));
button->signal_clicked().connect(sigc::bind(sigc::mem_fun(this, &RenderArea::zoom), 2, 0.5f, 0.5f));
xml->get_widget("ToolButtonZoomOut", button);
if(button)
button->signal_clicked().connect(sigc::bind(sigc::mem_fun(this, &RenderArea::zoom), -2, 0.5f, 0.5f));
button->signal_clicked().connect(sigc::bind(sigc::mem_fun(this, &RenderArea::zoom), -2, 0.5f, 0.5f));
xml->get_widget("Hscrollbar", hScrollbar);
if(hScrollbar)
hScrollbar->signal_value_changed().connect(sigc::mem_fun(this, &RenderArea::updateScrolling));
hScrollbar->signal_value_changed().connect(sigc::mem_fun(this, &RenderArea::updateScrolling));
xml->get_widget("Vscrollbar", vScrollbar);
if(vScrollbar)
vScrollbar->signal_value_changed().connect(sigc::mem_fun(this, &RenderArea::updateScrolling));
vScrollbar->signal_value_changed().connect(sigc::mem_fun(this, &RenderArea::updateScrolling));
gtk_widget_set_gl_capability(GTK_WIDGET(cobject), glconfig, 0, TRUE, GDK_GL_RGBA_TYPE);
}
@ -152,63 +148,69 @@ void RenderArea::updateViewport() {
}
void RenderArea::updateScrollbars(float x, float y) {
const gdouble imageWidth = getImageWidth(), imageHeight = getImageHeight();
const gdouble minX = -imageWidth/2, maxX = imageWidth/2;
const gdouble minY = -imageHeight/2, maxY = imageHeight/2;
float minX, maxX, minY, maxY;
const gdouble width = getViewWidth(), height = getViewHeight();
gdouble lower, upper, pageSize, value;
if(!view)
return;
view->getBounds(&minX, &maxX, &minY, &maxY);
float xVal = std::max(std::fabs(minX), std::fabs(maxX));
float yVal = std::max(std::fabs(minY), std::fabs(maxY));
get_window()->freeze_updates();
if(hScrollbar) {
lower = hScrollbar->get_adjustment()->get_lower();
upper = hScrollbar->get_adjustment()->get_upper();
pageSize = hScrollbar->get_adjustment()->get_page_size();
hScrollbar->get_adjustment()->set_lower(minX + width/2);
hScrollbar->get_adjustment()->set_upper(maxX + width/2);
hScrollbar->get_adjustment()->set_page_size(width);
if(pageSize > (upper-lower) && width < imageWidth)
value = 0;
else
value = hScrollbar->get_value() + (x-0.5)*(pageSize-width);
hScrollbar->set_value(std::max(std::min(value, maxX - width/2), minX + width/2));
}
lower = hScrollbar->get_adjustment()->get_lower();
upper = hScrollbar->get_adjustment()->get_upper();
pageSize = hScrollbar->get_adjustment()->get_page_size();
if(vScrollbar) {
lower = vScrollbar->get_adjustment()->get_lower();
upper = vScrollbar->get_adjustment()->get_upper();
pageSize = vScrollbar->get_adjustment()->get_page_size();
vScrollbar->get_adjustment()->set_lower(minY + height/2);
vScrollbar->get_adjustment()->set_upper(maxY + height/2);
vScrollbar->get_adjustment()->set_page_size(height);
if(pageSize > (upper-lower) && height < imageHeight)
value = 0;
else
value = vScrollbar->get_value() + (y-0.5)*(pageSize-height);
vScrollbar->set_value(std::max(std::min(value, maxY - height/2), minY + height/2));
}
hScrollbar->get_adjustment()->set_lower(-xVal + width/2);
hScrollbar->get_adjustment()->set_upper(xVal + width/2);
hScrollbar->get_adjustment()->set_page_size(width);
if(pageSize > (upper-lower) && width < 2*xVal)
value = 0;
else
value = hScrollbar->get_value() + (x-0.5)*(pageSize-width);
hScrollbar->set_value(std::max(std::min(value, xVal - width/2), -xVal + width/2));
lower = vScrollbar->get_adjustment()->get_lower();
upper = vScrollbar->get_adjustment()->get_upper();
pageSize = vScrollbar->get_adjustment()->get_page_size();
vScrollbar->get_adjustment()->set_lower(-yVal + height/2);
vScrollbar->get_adjustment()->set_upper(yVal + height/2);
vScrollbar->get_adjustment()->set_page_size(height);
if(pageSize > (upper-lower) && height < 2*yVal)
value = 0;
else
value = vScrollbar->get_value() + (y-0.5)*(pageSize-height);
vScrollbar->set_value(std::max(std::min(value, yVal - height/2), -yVal + height/2));
get_window()->thaw_updates();
updateScrolling();
updateScrollingWithSize(2*xVal, 2*yVal);
}
void RenderArea::updateScrolling() {
updateScrollingWithSize(hScrollbar->get_adjustment()->get_upper()-hScrollbar->get_adjustment()->get_lower(),
vScrollbar->get_adjustment()->get_upper()-vScrollbar->get_adjustment()->get_lower());
}
void RenderArea::updateScrollingWithSize(float imageWidth, float imageHeight) {
if(hScrollbar) {
if(getImageWidth() < getViewWidth())
if(imageWidth < getViewWidth())
xCenter = 0;
else
xCenter = hScrollbar->get_value();
}
if(vScrollbar) {
if(getImageHeight() < getViewHeight())
if(imageHeight < getViewHeight())
yCenter = 0;
else
yCenter = vScrollbar->get_value();

4
src/Gui/RenderArea.h
View file

@ -51,9 +51,6 @@ class RenderArea : public Gtk::DrawingArea {
return get_height()/scale;
}
float getImageWidth() const {return 10;}
float getImageHeight() const {return 10;}
float getScale() const {return scale;}
float getXCenter() const {return xCenter;}
@ -82,6 +79,7 @@ class RenderArea : public Gtk::DrawingArea {
void updateViewport();
void updateScrollbars(float x = 0.5f, float y = 0.5f);
void updateScrolling();
void updateScrollingWithSize(float imageWidth, float imageHeight);
bool gdkGLBegin() {
GtkWidget *widget = GTK_WIDGET(gobj());

42
src/View/TopView.cpp
View file

@ -154,5 +154,47 @@ void TopView::render(Gui::RenderArea *renderArea) {
renderRoom(*room);
}
void TopView::getBounds(float *minX, float *maxX, float *minY, float *maxY) {
if(!level)
return;
if(minX)
*minX = 0;
if(maxX)
*maxX = 0;
if(minY)
*minY = 0;
if(maxY)
*maxY = 0;
const std::list<Data::Room*> &rooms = level->getRooms();
for(std::list<Data::Room*>::const_iterator room = rooms.begin(); room != rooms.end(); ++room) {
const std::list<Data::Triangle*> &triangles = (*room)->getFloorTriangles();
for(std::list<Data::Triangle*>::const_iterator t = triangles.begin(); t != triangles.end(); ++t) {
const Data::Vertex &v1 = (*t)->getVertex(0), &v2 = (*t)->getVertex(1), &v3 = (*t)->getVertex(2);
if(minX)
*minX = std::min(std::min(*minX, v1.getX()), std::min(v2.getX(), v3.getX()));
if(maxX)
*maxX = std::max(std::max(*maxX, v1.getX()), std::max(v2.getX(), v3.getX()));
if(minY)
*minY = std::min(std::min(*minY, v1.getZ()), std::min(v2.getZ(), v3.getZ()));
if(maxY)
*maxY = std::max(std::max(*maxY, v1.getZ()), std::max(v2.getZ(), v3.getZ()));
}
}
if(minX)
*minX -= 5;
if(maxX)
*maxX += 5;
if(minY)
*minY -= 5;
if(maxY)
*maxY += 5;
}
}
}

3
src/View/TopView.h
View file

@ -48,7 +48,6 @@ class TopView : public View {
bool edgeLess(const Edge &e1, const Edge &e2);
void drawGrid(Gui::RenderArea *renderArea);
void renderRoom(Data::Room *room);
public:
@ -58,6 +57,8 @@ class TopView : public View {
void setLevel(Data::Level *level0) {level = level0;}
virtual void render(Gui::RenderArea *renderArea);
virtual void getBounds(float *minX, float *maxX, float *minY, float *maxY);
};
}

1
src/View/View.h
View file

@ -33,6 +33,7 @@ class View {
virtual ~View() {}
virtual void render(Gui::RenderArea *renderArea) = 0;
virtual void getBounds(float *minX, float *maxX, float *minY, float *maxY) = 0;
};
}