bool GrBx::Area::on_scroll_event (GdkEventScroll *_scroll)
{
bool ret = Gtk::Widget::on_scroll_event (_scroll);
if (_scroll)
{
double prev_sx = sx, prev_sy = sy;
double x1, y1, x2, y2;
calculate_bounds (x1, y1, x2, y2);
switch (_scroll->direction)
{
case GDK_SCROLL_UP:
sx += ZOOM_STEP;
sy += ZOOM_STEP;
break;
case GDK_SCROLL_DOWN:
if (sx > ZOOM_STEP && sy > ZOOM_STEP)
{
sx -= ZOOM_STEP;
sy -= ZOOM_STEP;
}
break;
default:
break;
}
if (prev_sx != sx) hadjustment.configure (hadjustment.get_value () / prev_sx * sx, x1 * sx, x2 * sx, sx, 10 * sx, hadjustment.get_page_size ());
if (prev_sy != sy) vadjustment.configure (vadjustment.get_value () / prev_sy * sy, y1 * sy, y2 * sy, sy, 10 * sy, vadjustment.get_page_size ());
if (prev_sx != sx || prev_sy != sy) draw_graphs ();
}
return ret;
}
void GrBx::Area::alignment_all ()
{
double x1, y1, x2, y2;
calculate_bounds (x1, y1, x2, y2);
sx = get_width () / (x2 - x1);
sy = get_height () / (y2 - y1);
hadjustment.configure (x1 * sx, x1 * sx, x2 * sx, sx, 10 * sx, (x2 - x1) * sx);
vadjustment.configure (y1 * sy, y1 * sy, y2 * sy, sy, 10 * sy, (y2 - y1) * sy);
}
void Frame::run()
{
while(isOpen())
{
calculate_bounds();
calculate_mouse_pos();
while(pollEvent(_event))
{
eventHandling();
}
drawAll();
}
}
ScreenShooter::ScreenShooter() {
init_displays();
calculate_bounds();
}
void map_view::draw(int width, int height, int grid_pitch) const
{
int corner_x, corner_y;
int x, y;
int w, h;
float xmin, xmax;
float ymin, ymax;
float cw, ch;
const tileset *ts;
SDL_Rect dst;
int pw, ph;
w = cur_map->get_width();
h = cur_map->get_height();
ts = cur_map->get_tileset();
pw = w * grid_pitch;
ph = h * grid_pitch;
cw = (float)width / (float)grid_pitch;
ch = (float)width / (float)grid_pitch;
calculate_bounds(w, grid_pitch, width, hero->get_x(), &corner_x);
calculate_bounds(h, grid_pitch, height, hero->get_y(), &corner_y);
dst.x = corner_x;
dst.y = corner_y;
dst.w = pw;
dst.h = ph;
for (y = 0; y < h; y++) {
for (x = 0; x < w; x++) {
const tile *t;
unsigned short tileid;
tileid = cur_map->get_tile(x, y);
if (tileid) {
ts->get_tile(tileid - 1)->draw(rend,
corner_x + x * 32,
corner_y + y * 32,
32
);
}
}
}
std::vector<sprite *> slist;
std::set<sprite *>::iterator sb, se;
sb = sprites.begin();
se = sprites.end();
while (sb != se) {
slist.push_back(*sb++);
}
std::sort(slist.begin(), slist.end(), less);
std::vector<sprite *>::iterator slb, sle;
slb = slist.begin();
sle = slist.end();
while (slb != sle) {
(*slb++)->draw(rend, corner_x, corner_y, grid_pitch);
}
}
